Update forked idf components

75 files changed, 8643 insertions, 678 deletions

diff --git a/lib/bt/host/bluedroid/stack/avct/avct_lcb.c b/lib/bt/host/bluedroid/stack/avct/avct_lcb.c
index 61f6c9a5..84a0f021 100644
--- a/lib/bt/host/bluedroid/stack/avct/avct_lcb.c
+++ b/lib/bt/host/bluedroid/stack/avct/avct_lcb.c
@@ -430,10 +430,10 @@ BOOLEAN avct_lcb_last_ccb(tAVCT_LCB *p_lcb, tAVCT_CCB *p_ccb_last)
     tAVCT_CCB   *p_ccb = &avct_cb.ccb[0];
     int         i;
 
-    AVCT_TRACE_WARNING("avct_lcb_last_ccb");
+    AVCT_TRACE_DEBUG("avct_lcb_last_ccb");
     for (i = 0; i < AVCT_NUM_CONN; i++, p_ccb++) {
-        AVCT_TRACE_WARNING("%x: aloc:%d, lcb:%p/%p, ccb:%p/%p",
-                           i, p_ccb->allocated, p_ccb->p_lcb, p_lcb, p_ccb, p_ccb_last);
+        AVCT_TRACE_DEBUG("%x: aloc:%d, lcb:%p/%p, ccb:%p/%p",
+                         i, p_ccb->allocated, p_ccb->p_lcb, p_lcb, p_ccb, p_ccb_last);
         if (p_ccb->allocated && (p_ccb->p_lcb == p_lcb) && (p_ccb != p_ccb_last)) {
             return FALSE;
         }
diff --git a/lib/bt/host/bluedroid/stack/avdt/avdt_api.c b/lib/bt/host/bluedroid/stack/avdt/avdt_api.c
index f37db816..9fb84fb9 100644
--- a/lib/bt/host/bluedroid/stack/avdt/avdt_api.c
+++ b/lib/bt/host/bluedroid/stack/avdt/avdt_api.c
@@ -266,6 +266,37 @@ UINT16 AVDT_CreateStream(UINT8 *p_handle, tAVDT_CS *p_cs)
 
 /*******************************************************************************
 **
+** Function         AVDT_UpdateCodecInfo
+**
+** Description      Update codec capability for a stream endpoint.
+**
+**
+** Returns          AVDT_SUCCESS if successful, otherwise error.
+**
+*******************************************************************************/
+UINT16 AVDT_UpdateCodecInfo(UINT8 handle, UINT8 num_codec, UINT8 *codec_info, UINT16 codec_info_len)
+{
+    UINT16      result = AVDT_SUCCESS;
+    tAVDT_SCB   *p_scb;
+
+    /* look up scb */
+    if ((p_scb = avdt_scb_by_hdl(handle)) == NULL) {
+        result = AVDT_BAD_HANDLE;
+    }
+    else if (num_codec != 1 || codec_info == NULL || codec_info_len != AVDT_CODEC_SIZE) {
+        /* currently, only allow one codec info */
+        result = AVDT_BAD_PARAMS;
+    }
+    else {
+        /* update codec info */
+        p_scb->cs.cfg.num_codec = num_codec;
+        memcpy(p_scb->cs.cfg.codec_info, codec_info, codec_info_len);
+    }
+    return result;
+}
+
+/*******************************************************************************
+**
 ** Function         AVDT_RemoveStream
 **
 ** Description      Remove a stream endpoint.  This function is called when
diff --git a/lib/bt/host/bluedroid/stack/avrc/avrc_bld_ct.c b/lib/bt/host/bluedroid/stack/avrc/avrc_bld_ct.c
index 18106870..279313d4 100644
--- a/lib/bt/host/bluedroid/stack/avrc/avrc_bld_ct.c
+++ b/lib/bt/host/bluedroid/stack/avrc/avrc_bld_ct.c
@@ -50,7 +50,7 @@ static tAVRC_STS avrc_bld_next_cmd (tAVRC_NEXT_CMD *p_cmd, BT_HDR *p_pkt)
     p_start = (UINT8 *)(p_pkt + 1) + p_pkt->offset;
     p_data = p_start + 2; /* pdu + rsvd */
 
-    /* add fixed lenth 1 - pdu_id (1) */
+    /* add fixed length 1 - pdu_id (1) */
     UINT16_TO_BE_STREAM(p_data, 1);
     UINT8_TO_BE_STREAM(p_data, p_cmd->target_pdu);
     p_pkt->len = (p_data - p_start);
@@ -81,7 +81,7 @@ static tAVRC_STS avrc_bld_set_abs_volume_cmd (tAVRC_SET_VOLUME_CMD *p_cmd, BT_HD
     /* get the existing length, if any, and also the num attributes */
     p_start = (UINT8 *)(p_pkt + 1) + p_pkt->offset;
     p_data = p_start + 2; /* pdu + rsvd */
-    /* add fixed lenth 1 - volume (1) */
+    /* add fixed length 1 - volume (1) */
     UINT16_TO_BE_STREAM(p_data, 1);
     UINT8_TO_BE_STREAM(p_data, (AVRC_MAX_VOLUME & p_cmd->volume));
     p_pkt->len = (p_data - p_start);
@@ -163,7 +163,7 @@ static BT_HDR *avrc_bld_init_cmd_buffer(tAVRC_COMMAND *p_cmd)
             /* reserved 0, packet_type 0 */
             UINT8_TO_BE_STREAM(p_data, 0);
             /* continue to the next "case to add length */
-            /* add fixed lenth - 0 */
+            /* add fixed length - 0 */
             UINT16_TO_BE_STREAM(p_data, 0);
             break;
         }
@@ -237,6 +237,20 @@ static tAVRC_STS avrc_bld_get_element_attr_cmd (tAVRC_GET_ELEM_ATTRS_CMD *p_cmd,
     return AVRC_STS_NO_ERROR;
 }
 
+static tAVRC_STS avrc_bld_get_play_status_cmd(tAVRC_CMD *p_cmd, BT_HDR *p_pkt)
+{
+    UINT8   *p_data, *p_start;
+
+    AVRC_TRACE_API("avrc_bld_get_play_status");
+    /* get the existing length */
+    p_start = (UINT8 *)(p_pkt + 1) + p_pkt->offset;
+    p_data = p_start + 2; /* pdu + rsvd */
+    /* add parameter length 0 */
+    UINT16_TO_BE_STREAM(p_data, 0);
+    p_pkt->len = (p_data - p_start);
+    return AVRC_STS_NO_ERROR;
+}
+
 static tAVRC_STS avrc_bld_get_caps_cmd(tAVRC_GET_CAPS_CMD *p_cmd, BT_HDR *p_pkt)
 {
     UINT8   *p_data, *p_start;
@@ -309,6 +323,10 @@ tAVRC_STS AVRC_BldCommand( tAVRC_COMMAND *p_cmd, BT_HDR **pp_pkt)
         status = avrc_bld_get_element_attr_cmd(&p_cmd->get_elem_attrs, p_pkt);
         break;
 
+    case AVRC_PDU_GET_PLAY_STATUS:          /* 0x30 */
+        status = avrc_bld_get_play_status_cmd(&p_cmd->get_play_status, p_pkt);
+        break;
+
     case AVRC_PDU_REGISTER_NOTIFICATION:      /* 0x31 */
         status = avrc_bld_register_change_notfn(p_cmd->reg_notif.event_id, p_cmd->reg_notif.param, p_pkt);
         break;
diff --git a/lib/bt/host/bluedroid/stack/avrc/avrc_pars_ct.c b/lib/bt/host/bluedroid/stack/avrc/avrc_pars_ct.c
index f185e7b5..72f26513 100644
--- a/lib/bt/host/bluedroid/stack/avrc/avrc_pars_ct.c
+++ b/lib/bt/host/bluedroid/stack/avrc/avrc_pars_ct.c
@@ -113,6 +113,19 @@ static tAVRC_STS avrc_pars_vendor_rsp(tAVRC_MSG_VENDOR *p_msg, tAVRC_RESPONSE *p
             }
         }
         break;
+    case AVRC_PDU_GET_PLAY_STATUS:
+        if (p_msg->hdr.ctype == AVRC_RSP_IMPL_STBL) {
+            BE_STREAM_TO_UINT32(p_result->get_play_status.song_len, p);
+            BE_STREAM_TO_UINT32(p_result->get_play_status.song_pos, p);
+            BE_STREAM_TO_UINT8(p_result->get_play_status.play_status, p);
+        }
+        else {
+            /* got error response */
+            p_result->get_play_status.song_len = 0;
+            p_result->get_play_status.song_pos = 0;
+            p_result->get_play_status.play_status = AVRC_PLAYSTATE_ERROR;
+        }
+        break;
     default:
         status = AVRC_STS_BAD_CMD;
         break;
diff --git a/lib/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c b/lib/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c
index c30bf94a..fe04ca8f 100644
--- a/lib/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c
+++ b/lib/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c
@@ -71,7 +71,7 @@ static tAVRC_STS avrc_pars_vendor_cmd(tAVRC_MSG_VENDOR *p_msg, tAVRC_COMMAND *p_
     p++; /* skip the reserved byte */
     BE_STREAM_TO_UINT16 (len, p);
     if ((len + 4) != (p_msg->vendor_len)) {
-        status = AVRC_STS_INTERNAL_ERR;
+        status = AVRC_STS_NOT_FOUND;
     }
 
     if (status != AVRC_STS_NO_ERROR) {
diff --git a/lib/bt/host/bluedroid/stack/avrc/avrc_sdp.c b/lib/bt/host/bluedroid/stack/avrc/avrc_sdp.c
index fa98082e..0b624b3f 100644
--- a/lib/bt/host/bluedroid/stack/avrc/avrc_sdp.c
+++ b/lib/bt/host/bluedroid/stack/avrc/avrc_sdp.c
@@ -29,8 +29,8 @@
 
 #if (defined(AVRC_INCLUDED) && AVRC_INCLUDED == TRUE)
 
-#ifndef SDP_AVRCP_1_5
-#define SDP_AVRCP_1_5      TRUE
+#ifndef SDP_AVRCP_1_6
+#define SDP_AVRCP_1_6      TRUE
 #endif
 
 #ifndef SDP_AVCTP_1_4
@@ -52,7 +52,7 @@ const tSDP_PROTOCOL_ELEM  avrc_proto_list [] = {
 #if SDP_AVCTP_1_4 == TRUE
     {UUID_PROTOCOL_AVCTP, 1, {AVCT_REV_1_4, 0}  }
 #else
-#if (SDP_AVRCP_1_4 == TRUE || SDP_AVRCP_1_5 == TRUE)
+#if SDP_AVRCP_1_6 == TRUE
     {UUID_PROTOCOL_AVCTP, 1, {AVCT_REV_1_3, 0}  }
 #else
 #if AVRC_METADATA_INCLUDED == TRUE
@@ -64,7 +64,7 @@ const tSDP_PROTOCOL_ELEM  avrc_proto_list [] = {
 #endif
 };
 
-#if SDP_AVRCP_1_5 == TRUE
+#if SDP_AVRCP_1_6 == TRUE
 const tSDP_PROTO_LIST_ELEM  avrc_add_proto_list [] = {
     {
         AVRC_NUM_PROTO_ELEMS,
@@ -251,7 +251,7 @@ UINT16 AVRC_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provide
 
     /* add service class id list */
     class_list[0] = service_uuid;
-#if (SDP_AVCTP_1_4 == TRUE || SDP_AVRCP_1_5 == TRUE)
+#if (SDP_AVCTP_1_4 == TRUE || SDP_AVRCP_1_6 == TRUE)
     if ( service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL ) {
         class_list[1] = UUID_SERVCLASS_AV_REM_CTRL_CONTROL;
         count = 2;
@@ -263,7 +263,7 @@ UINT16 AVRC_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provide
     result &= SDP_AddProtocolList(sdp_handle, AVRC_NUM_PROTO_ELEMS, (tSDP_PROTOCOL_ELEM *)avrc_proto_list);
 
     /* add profile descriptor list   */
-#if SDP_AVRCP_1_5 == TRUE
+#if SDP_AVRCP_1_6 == TRUE
     if (browsing_en) {
         add_additional_protocol_list = TRUE;
     } else if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET &&
@@ -277,7 +277,7 @@ UINT16 AVRC_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provide
         result &= SDP_AddAdditionProtoLists( sdp_handle, 1, (tSDP_PROTO_LIST_ELEM *)avrc_add_proto_list);
     }
 
-    result &= SDP_AddProfileDescriptorList(sdp_handle, UUID_SERVCLASS_AV_REMOTE_CONTROL, AVRC_REV_1_5);
+    result &= SDP_AddProfileDescriptorList(sdp_handle, UUID_SERVCLASS_AV_REMOTE_CONTROL, AVRC_REV_1_6);
 #else
 #if AVRC_METADATA_INCLUDED == TRUE
     result &= SDP_AddProfileDescriptorList(sdp_handle, UUID_SERVCLASS_AV_REMOTE_CONTROL, AVRC_REV_1_3);
@@ -292,6 +292,13 @@ UINT16 AVRC_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provide
     } else if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET && media_player_virtual_filesystem_supported) {
         supported_feature |= AVRC_SUPF_TG_BROWSE;
     }
+#if AVRC_CA_INCLUDED
+    if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_CONTROL || service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL) {
+        supported_feature |= AVRC_SUPF_CT_COVER_ART_GIP;
+        supported_feature |= AVRC_SUPF_CT_COVER_ART_GI;
+        supported_feature |= AVRC_SUPF_CT_COVER_ART_GLT;
+    }
+#endif
     /* add supported feature */
     p = temp;
     UINT16_TO_BE_STREAM(p, supported_feature);
@@ -383,7 +390,7 @@ bt_status_t AVRC_Init(void)
 **
 ** Function         AVRC_Deinit
 **
-** Description      This function is called at stack shotdown to free the
+** Description      This function is called at stack shutdown to free the
 **                  control block (if using dynamic memory), and deinitializes the
 **                  control block and tracing level.
 **
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_acl.c b/lib/bt/host/bluedroid/stack/btm/btm_acl.c
index 4b7e7eed..90506785 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_acl.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_acl.c
@@ -335,7 +335,7 @@ void btm_acl_created (BD_ADDR bda, DEV_CLASS dc, UINT8 bdn[BTM_MAX_REM_BD_NAME_L
 #if (CLASSIC_BT_INCLUDED == TRUE)
                         const UINT8 req_pend = (p_dev_rec->sm4 & BTM_SM4_REQ_PEND);
 #endif  ///CLASSIC_BT_INCLUDED == TRUE
-                        /* Store the Peer Security Capabilites (in SM4 and rmt_sec_caps) */
+                        /* Store the Peer Security Capabilities (in SM4 and rmt_sec_caps) */
 #if (SMP_INCLUDED == TRUE)
                         btm_sec_set_peer_sec_caps(p, p_dev_rec);
 #endif  ///SMP_INCLUDED == TRUE
@@ -350,7 +350,7 @@ void btm_acl_created (BD_ADDR bda, DEV_CLASS dc, UINT8 bdn[BTM_MAX_REM_BD_NAME_L
                         return;
                     }
                 } else {
-                    /* If remote features indicated secure connection (SC) mode, check the remote feautres again*/
+                    /* If remote features indicated secure connection (SC) mode, check the remote features again*/
                     /* this is to prevent from BIAS attack where attacker can downgrade SC mode*/
                     btm_read_remote_features (p->hci_handle);
                 }
@@ -474,7 +474,7 @@ void btm_acl_removed (BD_ADDR bda, tBT_TRANSPORT transport)
                     BTM_TRACE_DEBUG("Bonded\n");
                 }
             } else {
-                BTM_TRACE_DEBUG("Bletooth link down\n");
+                BTM_TRACE_DEBUG("Bluetooth link down\n");
                 p_dev_rec->sec_flags &= ~(BTM_SEC_AUTHORIZED | BTM_SEC_AUTHENTICATED
                                           | BTM_SEC_ENCRYPTED | BTM_SEC_ROLE_SWITCHED);
             }
@@ -531,10 +531,11 @@ void btm_acl_device_down (void)
 *******************************************************************************/
 void btm_acl_update_busy_level (tBTM_BLI_EVENT event)
 {
-    tBTM_BL_UPDATE_DATA  evt;
-    UINT8 busy_level;
-    BTM_TRACE_DEBUG ("btm_acl_update_busy_level\n");
+    UINT8 busy_level_flags = 0;
     BOOLEAN old_inquiry_state = btm_cb.is_inquiry;
+
+    BTM_TRACE_DEBUG ("btm_acl_update_busy_level\n");
+
     switch (event) {
     case BTM_BLI_ACL_UP_EVT:
         BTM_TRACE_DEBUG ("BTM_BLI_ACL_UP_EVT\n");
@@ -545,30 +546,31 @@ void btm_acl_update_busy_level (tBTM_BLI_EVENT event)
     case BTM_BLI_PAGE_EVT:
         BTM_TRACE_DEBUG ("BTM_BLI_PAGE_EVT\n");
         btm_cb.is_paging = TRUE;
-        evt.busy_level_flags = BTM_BL_PAGING_STARTED;
+        busy_level_flags = BTM_BL_PAGING_STARTED;
         break;
     case BTM_BLI_PAGE_DONE_EVT:
         BTM_TRACE_DEBUG ("BTM_BLI_PAGE_DONE_EVT\n");
         btm_cb.is_paging = FALSE;
-        evt.busy_level_flags = BTM_BL_PAGING_COMPLETE;
+        busy_level_flags = BTM_BL_PAGING_COMPLETE;
         break;
     case BTM_BLI_INQ_EVT:
         BTM_TRACE_DEBUG ("BTM_BLI_INQ_EVT\n");
         btm_cb.is_inquiry = TRUE;
-        evt.busy_level_flags = BTM_BL_INQUIRY_STARTED;
+        busy_level_flags = BTM_BL_INQUIRY_STARTED;
         break;
     case BTM_BLI_INQ_CANCEL_EVT:
         BTM_TRACE_DEBUG ("BTM_BLI_INQ_CANCEL_EVT\n");
         btm_cb.is_inquiry = FALSE;
-        evt.busy_level_flags = BTM_BL_INQUIRY_CANCELLED;
+        busy_level_flags = BTM_BL_INQUIRY_CANCELLED;
         break;
     case BTM_BLI_INQ_DONE_EVT:
         BTM_TRACE_DEBUG ("BTM_BLI_INQ_DONE_EVT\n");
         btm_cb.is_inquiry = FALSE;
-        evt.busy_level_flags = BTM_BL_INQUIRY_COMPLETE;
+        busy_level_flags = BTM_BL_INQUIRY_COMPLETE;
         break;
     }
 
+    UINT8 busy_level;
     if (btm_cb.is_paging || btm_cb.is_inquiry) {
         busy_level = 10;
     } else {
@@ -576,8 +578,11 @@ void btm_acl_update_busy_level (tBTM_BLI_EVENT event)
     }
 
     if ((busy_level != btm_cb.busy_level) || (old_inquiry_state != btm_cb.is_inquiry)) {
-        evt.event         = BTM_BL_UPDATE_EVT;
-        evt.busy_level    = busy_level;
+        tBTM_BL_UPDATE_DATA evt = {
+            .event = BTM_BL_UPDATE_EVT,
+            .busy_level = busy_level,
+            .busy_level_flags = busy_level_flags,
+        };
         btm_cb.busy_level = busy_level;
         if (btm_cb.p_bl_changed_cb && (btm_cb.bl_evt_mask & BTM_BL_UPDATE_MASK)) {
             (*btm_cb.p_bl_changed_cb)((tBTM_BL_EVENT_DATA *)&evt);
@@ -1016,7 +1021,7 @@ void btm_process_remote_ext_features (tACL_CONN *p_acl_cb, UINT8 num_read_pages)
 
     const UINT8 req_pend = (p_dev_rec->sm4 & BTM_SM4_REQ_PEND);
 #if (SMP_INCLUDED == TRUE)
-    /* Store the Peer Security Capabilites (in SM4 and rmt_sec_caps) */
+    /* Store the Peer Security Capabilities (in SM4 and rmt_sec_caps) */
     btm_sec_set_peer_sec_caps(p_acl_cb, p_dev_rec);
 #endif  ///SMP_INCLUDED == TRUE
     BTM_TRACE_API("%s: pend:%d\n", __FUNCTION__, req_pend);
@@ -1455,7 +1460,7 @@ void btm_process_clk_off_comp_evt (UINT16 hci_handle, UINT16 clock_offset)
 **
 ** Function         btm_acl_role_changed
 **
-** Description      This function is called whan a link's master/slave role change
+** Description      This function is called when a link's master/slave role change
 **                  event or command status event (with error) is received.
 **                  It updates the link control block, and calls
 **                  the registered callback with status and role (if registered).
@@ -2060,6 +2065,7 @@ tBTM_STATUS BTM_ReadLinkQuality (BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb)
     return (BTM_UNKNOWN_ADDR);
 }
 
+#if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_ReadTxPower
@@ -2116,6 +2122,7 @@ tBTM_STATUS BTM_ReadTxPower (BD_ADDR remote_bda, tBT_TRANSPORT transport, tBTM_C
     /* If here, no BD Addr found */
     return (BTM_UNKNOWN_ADDR);
 }
+#endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 
 tBTM_STATUS BTM_SetAclPktTypes(BD_ADDR remote_bda, UINT16 pkt_types, tBTM_CMPL_CB *p_cb)
 {
@@ -2182,6 +2189,55 @@ void btm_acl_pkt_types_changed(UINT8 status, UINT16 handle, UINT16 pkt_types)
 }
 
 #if (BLE_INCLUDED == TRUE)
+
+/*******************************************************************************
+**
+** Function         BTM_ReadChannelMap
+**
+** Description      This function is called to read the current channel map
+**                  for the given connection. The results are returned via
+**                  the callback (tBTM_BLE_CH_MAP_RESULTS).
+**
+** Returns          BTM_CMD_STARTED if successfully initiated or error code
+**
+*******************************************************************************/
+tBTM_STATUS BTM_ReadChannelMap(BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb)
+{
+    tACL_CONN *p;
+    tBTM_BLE_CH_MAP_RESULTS result;
+
+    BTM_TRACE_DEBUG("BTM_ReadChannelMap: RemBdAddr: %02x%02x%02x%02x%02x%02x\n",
+                  remote_bda[0], remote_bda[1], remote_bda[2],
+                  remote_bda[3], remote_bda[4], remote_bda[5]);
+
+    memset(result.channel_map, 0, sizeof(result.channel_map));  // Clear channel map data
+    /* If someone already waiting for the channel map, do not allow another */
+    if (btm_cb.devcb.p_ble_ch_map_cmpl_cb) {
+        result.status = BTM_BUSY;
+        (*p_cb)(&result);
+        return BTM_BUSY;
+    }
+    p = btm_bda_to_acl(remote_bda, BT_TRANSPORT_LE);
+    if (p != NULL) {
+        btm_cb.devcb.p_ble_ch_map_cmpl_cb = p_cb;
+
+        if (!btsnd_hcic_ble_read_chnl_map(p->hci_handle)) {
+            btm_cb.devcb.p_ble_ch_map_cmpl_cb = NULL;
+            result.status = BTM_NO_RESOURCES;
+            (*p_cb)(&result);
+            return BTM_NO_RESOURCES;
+        } else {
+            return BTM_CMD_STARTED;
+        }
+    }
+
+    /* If here, no BD Addr found */
+    result.status = BTM_UNKNOWN_ADDR;
+    (*p_cb)(&result);
+    return BTM_UNKNOWN_ADDR;
+}
+
+#if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 tBTM_STATUS BTM_BleReadAdvTxPower(tBTM_CMPL_CB *p_cb)
 {
     BOOLEAN ret;
@@ -2208,6 +2264,7 @@ tBTM_STATUS BTM_BleReadAdvTxPower(tBTM_CMPL_CB *p_cb)
         return BTM_CMD_STARTED;
     }
 }
+#endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 
 void BTM_BleGetWhiteListSize(uint16_t *length)
 {
@@ -2218,8 +2275,21 @@ void BTM_BleGetWhiteListSize(uint16_t *length)
     *length = p_cb->white_list_avail_size;
     return;
 }
+
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
+void BTM_BleGetPeriodicAdvListSize(uint8_t *size)
+{
+    tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
+    if (p_cb->periodic_adv_list_size == 0) {
+        BTM_TRACE_WARNING("%s Periodic Adv list is full.", __func__);
+    }
+    *size = p_cb->periodic_adv_list_size;
+}
+#endif  //#if (BLE_50_EXTEND_SYNC_EN == TRUE)
+
 #endif  ///BLE_INCLUDED == TRUE
 
+#if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         btm_read_tx_power_complete
@@ -2273,6 +2343,63 @@ void btm_read_tx_power_complete (UINT8 *p, BOOLEAN is_ble)
         (*p_cb)(&results);
     }
 }
+#endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE)
+
+/*******************************************************************************
+**
+** Function         btm_read_channel_map_complete
+**
+** Description      This function is called when the command complete message
+**                  is received from the HCI for the read channel map request.
+**                  It processes the received channel map data and invokes the
+**                  registered callback function with the results.
+**
+** Returns          void
+**
+*******************************************************************************/
+void btm_read_channel_map_complete(UINT8 *p)
+{
+    tBTM_CMPL_CB *p_cb = btm_cb.devcb.p_ble_ch_map_cmpl_cb;
+    tBTM_BLE_CH_MAP_RESULTS results;
+    UINT16 handle;
+    tACL_CONN *p_acl_cb = NULL;
+
+    BTM_TRACE_DEBUG("btm_read_channel_map_complete\n");
+
+    /* Reset the callback pointer to prevent duplicate calls */
+    btm_cb.devcb.p_ble_ch_map_cmpl_cb = NULL;
+
+    if (p_cb) {
+        /* Extract HCI status from the response */
+        STREAM_TO_UINT8(results.hci_status, p);
+
+        if (results.hci_status == HCI_SUCCESS) {
+            results.status = BTM_SUCCESS;
+
+            /* Extract the connection handle and channel map */
+            STREAM_TO_UINT16(handle, p);
+            STREAM_TO_ARRAY(results.channel_map, p, 5);
+
+            BTM_TRACE_DEBUG("BTM Channel Map Complete: handle 0x%04x, hci status 0x%02x", handle, results.hci_status);
+            BTM_TRACE_DEBUG("Channel Map: %02x %02x %02x %02x %02x",
+                            results.channel_map[0], results.channel_map[1], results.channel_map[2],
+                            results.channel_map[3], results.channel_map[4]);
+
+            /* Retrieve the remote BD address using the connection handle */
+            p_acl_cb = btm_handle_to_acl(handle);
+            if (p_acl_cb) {
+                memcpy(results.rem_bda, p_acl_cb->remote_addr, BD_ADDR_LEN);
+            }
+        } else {
+            results.status = BTM_ERR_PROCESSING;
+            BTM_TRACE_ERROR("BTM Channel Map Read Failed: hci status 0x%02x", results.hci_status);
+        }
+
+        /* Invoke the registered callback with the results */
+        (*p_cb)(&results);
+    }
+}
+
 
 /*******************************************************************************
 **
@@ -2705,7 +2832,7 @@ void btm_acl_connected(BD_ADDR bda, UINT16 handle, UINT8 link_type, UINT8 enc_mo
         l2c_link_hci_conn_comp(status, handle, bda);
     }
 #if BTM_SCO_INCLUDED == TRUE
-    else {
+    else if (link_type == HCI_LINK_TYPE_SCO) {
         memset(&esco_data, 0, sizeof(tBTM_ESCO_DATA));
         esco_data.link_type = HCI_LINK_TYPE_SCO;
         memcpy (esco_data.bd_addr, bda, BD_ADDR_LEN);
@@ -2721,9 +2848,10 @@ void btm_acl_connected(BD_ADDR bda, UINT16 handle, UINT8 link_type, UINT8 enc_mo
 ** Description      Handle ACL disconnection complete event
 **
 *******************************************************************************/
-void btm_acl_disconnected(UINT16 handle, UINT8 reason)
+BOOLEAN btm_acl_disconnected(UINT16 handle, UINT8 reason)
 {
-
+    BOOLEAN status = FALSE;
+    BOOLEAN dis_status;
     /* Report BR/EDR ACL disconnection result to upper layer */
     tACL_CONN *conn = btm_handle_to_acl(handle);
     if (conn) {
@@ -2731,6 +2859,7 @@ void btm_acl_disconnected(UINT16 handle, UINT8 reason)
         if (conn->transport == BT_TRANSPORT_BR_EDR)
 #endif
         {
+            status = TRUE;
             tBTM_ACL_LINK_STAT_EVENT_DATA evt_data = {
                 .event = BTM_ACL_DISCONN_CMPL_EVT,
                 .link_act.disconn_cmpl.reason = reason,
@@ -2742,16 +2871,29 @@ void btm_acl_disconnected(UINT16 handle, UINT8 reason)
     }
 
 #if BTM_SCO_INCLUDED == TRUE
+    dis_status = l2c_link_hci_disc_comp (handle, reason);
     /* If L2CAP doesn't know about it, send it to SCO */
-    if (!l2c_link_hci_disc_comp (handle, reason)) {
-        btm_sco_removed (handle, reason);
+    if (!dis_status) {
+        dis_status = btm_sco_removed (handle, reason);
+    } else {
+        status = TRUE;
     }
 #else
-    l2c_link_hci_disc_comp(handle, reason);
+    dis_status = l2c_link_hci_disc_comp(handle, reason);
 #endif /* BTM_SCO_INCLUDED */
+    if (dis_status) {
+        // find tL2C_LCB
+        status = TRUE;
+    }
 
 #if (SMP_INCLUDED == TRUE)
     /* Notify security manager */
-    btm_sec_disconnected(handle, reason);
+    if (btm_sec_disconnected(handle, reason)) {
+        // find tBTM_SEC_DEV_REC
+        status = TRUE;
+    }
+
 #endif  /* SMP_INCLUDED == TRUE */
+
+    return status;
 }
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble.c b/lib/bt/host/bluedroid/stack/btm/btm_ble.c
index 334001fe..8f676a65 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble.c
@@ -217,7 +217,7 @@ void BTM_BleLoadLocalKeys(UINT8 key_type, tBTM_BLE_LOCAL_KEYS *p_key)
             break;
 
         default:
-            BTM_TRACE_ERROR("unknow local key type: %d", key_type);
+            BTM_TRACE_ERROR("unknown local key type: %d", key_type);
             break;
         }
     }
@@ -553,6 +553,7 @@ void BTM_BleSecureConnectionCreateOobData(void)
 #endif
 }
 
+#if (BLE_HOST_CONN_SCAN_PARAM_EN == TRUE)
 /******************************************************************************
 **
 ** Function         BTM_BleSetConnScanParams
@@ -582,15 +583,17 @@ void BTM_BleSetConnScanParams (UINT32 scan_interval, UINT32 scan_window)
             p_ble_cb->scan_win = scan_window;
             new_param = TRUE;
         }
-
+#if (tGATT_BG_CONN_DEV == TRUE)
         if (new_param && p_ble_cb->conn_state == BLE_BG_CONN) {
             btm_ble_suspend_bg_conn();
         }
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     } else {
         BTM_TRACE_ERROR("Illegal Connection Scan Parameters");
     }
 #endif
 }
+#endif // #if (BLE_HOST_CONN_SCAN_PARAM_EN == TRUE)
 
 /********************************************************
 **
@@ -694,7 +697,7 @@ void BTM_ReadDevInfo (BD_ADDR remote_bda, tBT_DEVICE_TYPE *p_dev_type, tBLE_ADDR
                 BTM_TRACE_DEBUG ("btm_find_dev_type - unknown device, BR/EDR assumed");
             }
         }
-    } else { /* there is a security device record exisitng */
+    } else { /* there is a security device record existing */
         /* new inquiry result, overwrite device type in security device record */
         if (p_inq_info) {
             p_dev_rec->device_type          = p_inq_info->results.device_type;
@@ -707,7 +710,7 @@ void BTM_ReadDevInfo (BD_ADDR remote_bda, tBT_DEVICE_TYPE *p_dev_type, tBLE_ADDR
         } else if (memcmp(p_dev_rec->ble.pseudo_addr, remote_bda, BD_ADDR_LEN) == 0) {
             *p_dev_type = BT_DEVICE_TYPE_BLE;
             *p_addr_type = p_dev_rec->ble.ble_addr_type;
-        } else { /* matching static adddress only */
+        } else { /* matching static address only */
             *p_dev_type = BT_DEVICE_TYPE_BREDR;
             *p_addr_type = BLE_ADDR_PUBLIC;
         }
@@ -766,6 +769,7 @@ BOOLEAN BTM_ReadConnectedTransportAddress(BD_ADDR remote_bda, tBT_TRANSPORT tran
 }
 
 #if (BLE_INCLUDED == TRUE)
+#if (BLE_42_DTM_TEST_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleReceiverTest
@@ -805,7 +809,8 @@ void BTM_BleTransmitterTest(UINT8 tx_freq, UINT8 test_data_len,
         BTM_TRACE_ERROR("%s: Unable to Trigger LE transmitter test", __FUNCTION__);
     }
 }
-
+#endif // #if (BLE_42_DTM_TEST_EN == TRUE)
+#if ((BLE_42_DTM_TEST_EN == TRUE) || (BLE_50_DTM_TEST_EN == TRUE))
 /*******************************************************************************
 **
 ** Function         BTM_BleTestEnd
@@ -837,9 +842,9 @@ void btm_ble_test_command_complete(UINT8 *p)
         (*p_cb)(p);
     }
 }
+#endif // #if ((BLE_42_DTM_TEST_EN == TRUE) || (BLE_50_DTM_TEST_EN == TRUE))
 
-
-#if (BLE_50_FEATURE_SUPPORT == TRUE)
+#if (BLE_50_DTM_TEST_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleEnhancedReceiverTest
@@ -882,7 +887,7 @@ void BTM_BleEnhancedTransmitterTest(UINT8 tx_freq, UINT8 test_data_len,
         BTM_TRACE_ERROR("%s: Unable to Trigger LE enhanced transmitter test", __FUNCTION__);
     }
 }
-#endif // BLE_50_FEATURE_SUPPORT
+#endif // #if (BLE_50_DTM_TEST_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -1061,7 +1066,7 @@ tBTM_SEC_ACTION btm_ble_determine_security_act(BOOLEAN is_originator, BD_ADDR bd
 **                  LE link for LE COC.
 **
 ** Parameter        bdaddr: remote device address.
-**                  psm : PSM of the LE COC sevice.
+**                  psm : PSM of the LE COC service.
 **                  is_originator: TRUE if outgoing connection.
 **                  p_callback : Pointer to the callback function.
 **                  p_ref_data : Pointer to be returned along with the callback.
@@ -1078,7 +1083,7 @@ BOOLEAN btm_ble_start_sec_check(BD_ADDR bd_addr, UINT16 psm, BOOLEAN is_originat
     /* If there is no application registered with this PSM do not allow connection */
     if (!p_serv_rec)
     {
-        BTM_TRACE_WARNING ("%s PSM: %d no application registerd", __func__, psm);
+        BTM_TRACE_WARNING ("%s PSM: %d no application registered", __func__, psm);
         (*p_callback) (bd_addr, BT_TRANSPORT_LE, p_ref_data, BTM_MODE_UNSUPPORTED);
         return FALSE;
     }
@@ -1151,7 +1156,7 @@ void btm_ble_rand_enc_complete (UINT8 *p, UINT16 op_code, tBTM_RAND_ENC_CB *p_en
 
     /* If there was a callback address for vcs complete, call it */
     if (p_enc_cplt_cback && p) {
-        /* Pass paramters to the callback function */
+        /* Pass parameters to the callback function */
         STREAM_TO_UINT8(params.status, p); /* command status */
 
         if (params.status == HCI_SUCCESS) {
@@ -1208,7 +1213,7 @@ void btm_ble_increment_sign_ctr(BD_ADDR bd_addr, BOOLEAN is_local )
 ** Function         btm_ble_get_enc_key_type
 **
 ** Description      This function is to get the BLE key type that has been exchanged
-**                  in betweem local device and peer device.
+**                  in between local device and peer device.
 **
 ** Returns          p_key_type: output parameter to carry the key type value.
 **
@@ -1235,7 +1240,7 @@ BOOLEAN btm_ble_get_enc_key_type(BD_ADDR bd_addr, UINT8 *p_key_types)
 **
 ** Description      This function is called to read the local DIV
 **
-** Returns          TRUE - if a valid DIV is availavle
+** Returns          TRUE - if a valid DIV is available
 *******************************************************************************/
 BOOLEAN btm_get_local_div (BD_ADDR bd_addr, UINT16 *p_div)
 {
@@ -1487,7 +1492,7 @@ void btm_ble_link_sec_check(BD_ADDR bd_addr, tBTM_LE_AUTH_REQ auth_req, tBTM_BLE
 
         BTM_TRACE_DEBUG ("dev_rec sec_flags=0x%x", p_dev_rec->sec_flags);
 
-        /* currently encrpted  */
+        /* currently encrypted  */
         if (p_dev_rec->sec_flags & BTM_SEC_LE_ENCRYPTED) {
             if (p_dev_rec->sec_flags & BTM_SEC_LE_AUTHENTICATED) {
                 cur_sec_level = BTM_LE_SEC_AUTHENTICATED;
@@ -1691,7 +1696,7 @@ tBTM_STATUS btm_ble_start_encrypt(BD_ADDR bda, BOOLEAN use_stk, BT_OCTET16 stk)
 **
 ** Function         btm_ble_link_encrypted
 **
-** Description      This function is called when LE link encrption status is changed.
+** Description      This function is called when LE link encryption status is changed.
 **
 ** Returns          void
 **
@@ -1949,7 +1954,7 @@ static void btm_ble_resolve_random_addr_on_conn_cmpl(void *p_rec, void *p_data)
 ** Function         btm_ble_connected
 **
 ** Description      This function is when a LE connection to the peer device is
-**                  establsihed
+**                  established
 **
 ** Returns          void
 **
@@ -2060,7 +2065,7 @@ void btm_ble_conn_complete(UINT8 *p, UINT16 evt_len, BOOLEAN enhanced)
         peer_addr_type = bda_type;
         match = btm_identity_addr_to_random_pseudo (bda, &bda_type, FALSE);
 
-        /* possiblly receive connection complete with resolvable random on
+        /* possibly receive connection complete with resolvable random on
            slave role while the device has been paired */
 
         /* It will cause that scanner doesn't send scan request to advertiser
@@ -2143,6 +2148,16 @@ void btm_ble_create_ll_conn_complete (UINT8 status)
     if (status != HCI_SUCCESS) {
         btm_ble_set_conn_st(BLE_CONN_IDLE);
         btm_ble_update_mode_operation(HCI_ROLE_UNKNOWN, NULL, status);
+        if(l2cb.is_ble_connecting) {
+            /* see L2CA_CancelBleConnectReq() */
+            tL2C_LCB *p_lcb = l2cu_find_lcb_by_bd_addr(l2cb.ble_connecting_bda, BT_TRANSPORT_LE);
+            /* Do not remove lcb if an LE link is already up as a peripheral */
+            if (p_lcb != NULL &&
+                    !(p_lcb->link_role == HCI_ROLE_SLAVE && BTM_LE_ACL_IS_CONNECTED(l2cb.ble_connecting_bda))) {
+                p_lcb->disc_reason = L2CAP_CONN_CANCEL;
+                l2cu_release_lcb (p_lcb);
+            }
+        }
     }
 }
 
@@ -2279,17 +2294,16 @@ UINT8 btm_proc_smp_cback(tSMP_EVT event, BD_ADDR bd_addr, tSMP_EVT_DATA *p_data)
 
 
         }
-    } else {
-        if (event == SMP_SC_LOC_OOB_DATA_UP_EVT) {
-            tBTM_LE_EVT_DATA evt_data;
-            memcpy(&evt_data.local_oob_data, &p_data->loc_oob_data, sizeof(tSMP_LOC_OOB_DATA));
-            if (btm_cb.api.p_le_callback) {
-                (*btm_cb.api.p_le_callback)(event, bd_addr, &evt_data);
-            }
-        } else {
-            BTM_TRACE_ERROR("btm_proc_smp_cback received for unknown device");
+    }
+
+    if (event == SMP_SC_LOC_OOB_DATA_UP_EVT) {
+        tBTM_LE_EVT_DATA evt_data;
+        memcpy(&evt_data.local_oob_data, &p_data->loc_oob_data, sizeof(tSMP_LOC_OOB_DATA));
+        if (btm_cb.api.p_le_callback) {
+            (*btm_cb.api.p_le_callback)(event, bd_addr, &evt_data);
         }
     }
+
     return 0;
 }
 #endif   ///SMP_INCLUDED == TRUE
@@ -2300,7 +2314,7 @@ UINT8 btm_proc_smp_cback(tSMP_EVT event, BD_ADDR bd_addr, tSMP_EVT_DATA *p_data)
 ** Function         BTM_BleDataSignature
 **
 ** Description      This function is called to sign the data using AES128 CMAC
-**                  algorith.
+**                  algorithm.
 **
 ** Parameter        bd_addr: target device the data to be signed for.
 **                  p_text: singing data
@@ -2308,7 +2322,7 @@ UINT8 btm_proc_smp_cback(tSMP_EVT event, BD_ADDR bd_addr, tSMP_EVT_DATA *p_data)
 **                  signature: output parameter where data signature is going to
 **                             be stored.
 **
-** Returns          TRUE if signing sucessul, otherwise FALSE.
+** Returns          TRUE if signing successful, otherwise FALSE.
 **
 *******************************************************************************/
 #if (SMP_INCLUDED == TRUE)
@@ -2491,7 +2505,7 @@ BOOLEAN BTM_BleSecurityProcedureIsRunning(BD_ADDR bd_addr)
 ** Function         BTM_BleGetSupportedKeySize
 **
 ** Description      This function gets the maximum encryption key size in bytes
-**                  the local device can suport.
+**                  the local device can support.
 **                  record.
 **
 ** Returns          the key size or 0 if the size can't be retrieved.
@@ -2932,7 +2946,7 @@ uint8_t btm_ble_scan_active_count(void)
 }
 
 #if (SMP_INCLUDED == TRUE)
-uint8_t btm_ble_sec_dev_active_count(void)
+uint8_t btm_ble_sec_dev_record_count(void)
 {
     tBTM_SEC_DEV_REC *p_dev_rec = NULL;
     list_node_t *p_node = NULL;
@@ -2948,6 +2962,12 @@ uint8_t btm_ble_sec_dev_active_count(void)
 
     return count;
 }
+
+void btm_ble_clear_sec_dev_record(void)
+{
+    /* only used when connection is closed */
+    if(btm_cb.p_sec_dev_rec_list) list_clear(btm_cb.p_sec_dev_rec_list);
+}
 #endif
 
 #if (BLE_PRIVACY_SPT == TRUE)
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c
index 04ad4804..76fe63c0 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c
@@ -21,6 +21,7 @@ extern BOOLEAN BTM_GetLocalResolvablePrivateAddr(BD_ADDR bda);
 extern void BTM_UpdateAddrInfor(uint8_t addr_type, BD_ADDR bda);
 extern void BTM_BleSetStaticAddr(BD_ADDR rand_addr);
 extern uint32_t BTM_BleUpdateOwnType(uint8_t *own_bda_type, tBTM_START_ADV_CMPL_CBACK *cb);
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 static tBTM_STATUS btm_ble_ext_adv_params_validate(tBTM_BLE_GAP_EXT_ADV_PARAMS *params);
 static tBTM_STATUS btm_ble_ext_adv_set_data_validate(UINT8 instance, UINT16 len, UINT8 *data);
 
@@ -35,6 +36,8 @@ typedef struct {
 } tBTM_EXT_ADV_RECORD;
 
 tBTM_EXT_ADV_RECORD adv_record[MAX_BLE_ADV_INSTANCE] = {0};
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
+
 extern void btm_ble_inter_set(bool extble_inter);
 
 #if !UC_BT_STACK_NO_LOG
@@ -193,11 +196,12 @@ void btm_ble_extendadvcb_init(void)
 {
     memset(&extend_adv_cb, 0, sizeof(tBTM_BLE_EXTENDED_CB));
 }
-
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 void btm_ble_advrecod_init(void)
 {
     memset(&adv_record[0], 0, sizeof(tBTM_EXT_ADV_RECORD)*MAX_BLE_ADV_INSTANCE);
 }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 
 void BTM_BleGapRegisterCallback(tBTM_BLE_5_HCI_CBACK cb)
 {
@@ -249,10 +253,10 @@ tBTM_STATUS BTM_BleSetPreferDefaultPhy(UINT8 tx_phy_mask, UINT8 rx_phy_mask)
     if ((err = btsnd_hcic_ble_set_prefered_default_phy(all_phys, tx_phy_mask, rx_phy_mask)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("%s, fail to send the hci command, the error code = %s(0x%x)",
                         __func__, btm_ble_hci_status_to_str(err), err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
-    cb_params.set_perf_def_phy.status = err;
+    cb_params.set_perf_def_phy.status = status;
 
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_SET_PREFERED_DEFAULT_PHY_COMPLETE_EVT, &cb_params);
 
@@ -286,6 +290,7 @@ tBTM_STATUS BTM_BleSetPreferPhy(BD_ADDR bd_addr, UINT8 all_phys, UINT8 tx_phy_ma
     return BTM_SUCCESS;
 }
 
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 tBTM_STATUS BTM_BleSetExtendedAdvRandaddr(UINT8 instance, BD_ADDR rand_addr)
 {
     tBTM_STATUS status = BTM_SUCCESS;
@@ -330,7 +335,7 @@ tBTM_STATUS BTM_BleSetExtendedAdvRandaddr(UINT8 instance, BD_ADDR rand_addr)
     if((err = btsnd_hcic_ble_set_extend_rand_address(instance, rand_addr)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("%s, fail to send the hci command, the error code = %s(0x%x)",
                         __func__, btm_ble_hci_status_to_str(err), err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     } else {
         // set random address success, update address info
         if(extend_adv_cb.inst[instance].configured && extend_adv_cb.inst[instance].connetable) {
@@ -340,8 +345,8 @@ tBTM_STATUS BTM_BleSetExtendedAdvRandaddr(UINT8 instance, BD_ADDR rand_addr)
     }
 
 end:
-    cb_params.status = status;
-
+    cb_params.set_ext_rand_addr.status = status;
+    cb_params.set_ext_rand_addr.instance = instance;
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_EXT_ADV_SET_RAND_ADDR_COMPLETE_EVT, &cb_params);
 
     return status;
@@ -403,7 +408,7 @@ tBTM_STATUS BTM_BleSetExtendedAdvParams(UINT8 instance, tBTM_BLE_GAP_EXT_ADV_PAR
                                       params->primary_phy, params->max_skip,
                                       params->secondary_phy, params->sid, params->scan_req_notif)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE EA SetParams: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
         goto end;
     }
 
@@ -414,13 +419,14 @@ end:
         // update RPA address
         if((err = btsnd_hcic_ble_set_extend_rand_address(instance, rand_addr)) != HCI_SUCCESS) {
             BTM_TRACE_ERROR("LE EA SetParams: cmd err=0x%x", err);
-            status = BTM_ILLEGAL_VALUE;
+            status = BTM_HCI_ERROR | err;
         } else {
             // set addr success, update address info
             BTM_UpdateAddrInfor(BLE_ADDR_RANDOM, rand_addr);
         }
     }
-    cb_params.status = status;
+    cb_params.set_params.status = status;
+    cb_params.set_params.instance = instance;
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_EXT_ADV_SET_PARAMS_COMPLETE_EVT, &cb_params);
 
     return status;
@@ -451,27 +457,36 @@ tBTM_STATUS BTM_BleConfigExtendedAdvDataRaw(BOOLEAN is_scan_rsp, UINT8 instance,
             } else if (rem_len <= BTM_BLE_EXT_ADV_DATA_LEN_MAX) {
                 operation = BTM_BLE_ADV_DATA_OP_LAST_FRAG;
             } else {
-	        operation = BTM_BLE_ADV_DATA_OP_INTERMEDIATE_FRAG;
-	    }
+                operation = BTM_BLE_ADV_DATA_OP_INTERMEDIATE_FRAG;
+            }
         }
         if (!is_scan_rsp) {
             if ((err = btsnd_hcic_ble_set_ext_adv_data(instance, operation, 0, send_data_len, &data[data_offset])) != HCI_SUCCESS) {
                 BTM_TRACE_ERROR("LE EA SetAdvData: cmd err=0x%x", err);
-                status = BTM_ILLEGAL_VALUE;
+                status = BTM_HCI_ERROR | err;
+                break;
             }
         } else {
             if ((err = btsnd_hcic_ble_set_ext_adv_scan_rsp_data(instance, operation, 0, send_data_len, &data[data_offset])) != HCI_SUCCESS) {
                 BTM_TRACE_ERROR("LE EA SetScanRspData: cmd err=0x%x", err);
-                status = BTM_ILLEGAL_VALUE;
+                status = BTM_HCI_ERROR | err;
+                break;
             }
         }
 
         rem_len -= send_data_len;
-	data_offset += send_data_len;
+        data_offset += send_data_len;
     } while (rem_len);
 
 end:
-    cb_params.status = status;
+    if (is_scan_rsp) {
+        cb_params.scan_rsp_data_set.status = status;
+        cb_params.scan_rsp_data_set.instance = instance;
+    } else {
+        cb_params.adv_data_set.status = status;
+        cb_params.adv_data_set.instance = instance;
+    }
+
     BTM_ExtBleCallbackTrigger(is_scan_rsp ? BTM_BLE_5_GAP_EXT_SCAN_RSP_DATA_SET_COMPLETE_EVT : BTM_BLE_5_GAP_EXT_ADV_DATA_SET_COMPLETE_EVT, &cb_params);
 
     return status;
@@ -514,7 +529,7 @@ tBTM_STATUS BTM_BleStartExtAdv(BOOLEAN enable, UINT8 num, tBTM_BLE_EXT_ADV *ext_
         if ((err = btsnd_hcic_ble_ext_adv_enable(enable, num, instance,
                                       duration, max_events)) != HCI_SUCCESS) {
             BTM_TRACE_ERROR("LE EA En=%d: cmd err=0x%x", enable, err);
-            status = BTM_ILLEGAL_VALUE;
+            status = BTM_HCI_ERROR | err;
         }
 
         osi_free(instance);
@@ -525,7 +540,7 @@ tBTM_STATUS BTM_BleStartExtAdv(BOOLEAN enable, UINT8 num, tBTM_BLE_EXT_ADV *ext_
 
         if ((err = btsnd_hcic_ble_ext_adv_enable(enable, num, NULL, NULL, NULL)) != HCI_SUCCESS) {
             BTM_TRACE_ERROR("LE EA En=%d: cmd err=0x%x", enable, err);
-            status = BTM_ILLEGAL_VALUE;
+            status = BTM_HCI_ERROR | err;
         }
         goto end;
     }
@@ -574,7 +589,12 @@ end:
         }
     }
 
-    cb_params.status = status;
+    cb_params.adv_start.status = status;
+    cb_params.adv_start.instance_num = num;
+    for (uint8_t i = 0; i < num; i++) {
+        cb_params.adv_start.instance[i] = ext_adv[i].instance;
+    }
+
     BTM_ExtBleCallbackTrigger(enable ? BTM_BLE_5_GAP_EXT_ADV_START_COMPLETE_EVT : BTM_BLE_5_GAP_EXT_ADV_STOP_COMPLETE_EVT, &cb_params);
 
     return status;
@@ -593,6 +613,7 @@ tBTM_STATUS BTM_BleStartExtAdvRestart(uint8_t con_handle)
     }
 
     if((index >= MAX_BLE_ADV_INSTANCE) || (!adv_record[index].invalid)) {
+        BTM_TRACE_WARNING("%s failed to find extend adv, adv_handle %u con_handle %u", __func__, index, con_handle);
         return BTM_WRONG_MODE;
     }
 
@@ -618,7 +639,7 @@ tBTM_STATUS BTM_BleExtAdvSetRemove(UINT8 instance)
 
     if ((err = btsnd_hcic_ble_remove_adv_set(instance)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE EAS Rm: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     } else {
         extend_adv_cb.inst[instance].configured = false;
         extend_adv_cb.inst[instance].legacy_pdu = false;
@@ -629,7 +650,9 @@ tBTM_STATUS BTM_BleExtAdvSetRemove(UINT8 instance)
 
 end:
 
-    cb_params.status = status;
+    cb_params.adv_start.status = status;
+    cb_params.adv_start.instance_num = 1;
+    cb_params.adv_start.instance[0] = instance;
 
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_EXT_ADV_SET_REMOVE_COMPLETE_EVT, &cb_params);
 
@@ -644,7 +667,7 @@ tBTM_STATUS BTM_BleExtAdvSetClear(void)
 
     if ((err = btsnd_hcic_ble_clear_adv_set()) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE EAS Clr: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     } else {
         for (uint8_t i = 0; i < MAX_BLE_ADV_INSTANCE; i++) {
             extend_adv_cb.inst[i].configured = false;
@@ -655,13 +678,15 @@ tBTM_STATUS BTM_BleExtAdvSetClear(void)
         }
     }
 
-    cb_params.status = status;
+    cb_params.adv_start.status = status;
 
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_EXT_ADV_SET_CLEAR_COMPLETE_EVT, &cb_params);
 
     return status;
 }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 
+#if (BLE_50_PERIODIC_ADV_EN == TRUE)
 tBTM_STATUS BTM_BlePeriodicAdvSetParams(UINT8 instance, tBTM_BLE_Periodic_Adv_Params *params)
 {
     tBTM_STATUS status = BTM_SUCCESS;
@@ -688,12 +713,13 @@ tBTM_STATUS BTM_BlePeriodicAdvSetParams(UINT8 instance, tBTM_BLE_Periodic_Adv_Pa
     if ((err= btsnd_hcic_ble_set_periodic_adv_params(instance, params->interval_min,
                                                params->interval_max, params->properties)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE PA SetParams: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
 end:
 
-    cb_params.status = status;
+    cb_params.per_adv_set_params.status = status;
+    cb_params.per_adv_set_params.instance = instance;
 
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_PERIODIC_ADV_SET_PARAMS_COMPLETE_EVT, &cb_params);
 
@@ -740,14 +766,18 @@ tBTM_STATUS BTM_BlePeriodicAdvCfgDataRaw(UINT8 instance, UINT16 len, UINT8 *data
 
         if ((err = btsnd_hcic_ble_set_periodic_adv_data(instance, operation, send_data_len, &data[data_offset])) != HCI_SUCCESS) {
             BTM_TRACE_ERROR("LE PA SetData: cmd err=0x%x", err);
-            status = BTM_ILLEGAL_VALUE;
+            status = BTM_HCI_ERROR | err;
+            break;
         }
+
         rem_len -= send_data_len;
-	data_offset += send_data_len;
+        data_offset += send_data_len;
     } while(rem_len);
 
 end:
-    cb_params.status = status;
+    cb_params.per_adv_data_set.status = status;
+    cb_params.per_adv_data_set.instance = instance;
+
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_PERIODIC_ADV_DATA_SET_COMPLETE_EVT, &cb_params);
 
     return status;
@@ -767,19 +797,26 @@ tBTM_STATUS BTM_BlePeriodicAdvEnable(UINT8 instance, UINT8 enable)
 
     if ((err = btsnd_hcic_ble_periodic_adv_enable(enable, instance)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE PA En=%d: cmd err=0x%x", enable, err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
 end:
-
-    cb_params.status = status;
+    if (enable) {
+        cb_params.per_adv_start.status = status;
+        cb_params.per_adv_start.instance = instance;
+    } else {
+        cb_params.per_adv_stop.status = status;
+        cb_params.per_adv_stop.instance = instance;
+    }
 
     BTM_ExtBleCallbackTrigger(enable ? BTM_BLE_5_GAP_PERIODIC_ADV_START_COMPLETE_EVT : BTM_BLE_5_GAP_PERIODIC_ADV_STOP_COMPLETE_EVT, &cb_params);
 
     return status;
 
 }
+#endif // #if (BLE_50_PERIODIC_ADV_EN == TRUE)
 
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 tBTM_STATUS BTM_BlePeriodicAdvCreateSync(tBTM_BLE_Periodic_Sync_Params *params)
 {
     //tHCI_STATUS err = HCI_SUCCESS;
@@ -794,10 +831,10 @@ tBTM_STATUS BTM_BlePeriodicAdvCreateSync(tBTM_BLE_Periodic_Sync_Params *params)
 
     if ((params->sync_timeout < 0x0a || params->sync_timeout > 0x4000)
         || (params->filter_policy > 0x01)
-        #if (CONFIG_BT_BLE_FEAT_CREATE_SYNC_ENH)
+#if (BLE_FEAT_CREATE_SYNC_ENH == TRUE)
         || (params->reports_disabled > 0x01)
         || (params->filter_duplicates > 0x01)
-        #endif
+#endif // (BLE_FEAT_CREATE_SYNC_ENH == TRUE)
         /*If the Periodic Advertiser List is not used,
         the Advertising_SID, Advertiser Address_Type, and Advertiser Address
         parameters specify the periodic advertising device to listen to; otherwise they
@@ -814,17 +851,17 @@ tBTM_STATUS BTM_BlePeriodicAdvCreateSync(tBTM_BLE_Periodic_Sync_Params *params)
         SET_BIT(option, 0);
     }
 
-    #if (CONFIG_BT_BLE_FEAT_CREATE_SYNC_ENH)
+#if (BLE_FEAT_CREATE_SYNC_ENH == TRUE)
     if (params->reports_disabled) {
         SET_BIT(option, 1);
     }
     if (params->filter_duplicates) {
         SET_BIT(option, 2);
     }
-    #endif
+#endif // (BLE_FEAT_CREATE_SYNC_ENH == TRUE)
 
     if (!btsnd_hcic_ble_periodic_adv_create_sync(option, params->sid, params->addr_type,
-                                            params->addr, params->sync_timeout, 0)) {
+                                            params->addr, params->sync_timeout, params->sync_cte_type)) {
         BTM_TRACE_ERROR("LE PA CreateSync cmd failed");
         status = BTM_ILLEGAL_VALUE;
     }
@@ -837,6 +874,8 @@ end:
 
     return status;
 }
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
+
 void btm_set_phy_callback(UINT8 status)
 {
     tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
@@ -845,6 +884,8 @@ void btm_set_phy_callback(UINT8 status)
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_SET_PREFERED_PHY_COMPLETE_EVT, &cb_params);
 
 }
+
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 void btm_create_sync_callback(UINT8 status)
 {
     tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
@@ -852,6 +893,7 @@ void btm_create_sync_callback(UINT8 status)
 
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_PERIODIC_ADV_CREATE_SYNC_COMPLETE_EVT, &cb_params);
 }
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
 
 void btm_read_phy_callback(uint8_t hci_status, uint16_t conn_handle, uint8_t tx_phy, uint8_t rx_phy)
 {
@@ -872,6 +914,7 @@ void btm_read_phy_callback(uint8_t hci_status, uint16_t conn_handle, uint8_t tx_
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_READ_PHY_COMPLETE_EVT, &cb_params);
 }
 
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 tBTM_STATUS BTM_BlePeriodicAdvSyncCancel(void)
 {
     tHCI_STATUS err = HCI_SUCCESS;
@@ -880,7 +923,7 @@ tBTM_STATUS BTM_BlePeriodicAdvSyncCancel(void)
 
     if ((err = btsnd_hcic_ble_periodic_adv_create_sync_cancel()) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE PA SyncCancel, cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
     cb_params.status = status;
@@ -898,7 +941,7 @@ tBTM_STATUS BTM_BlePeriodicAdvSyncTerm(UINT16 sync_handle)
 
     if (( err = btsnd_hcic_ble_periodic_adv_term_sync(sync_handle)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE PA SyncTerm: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
     cb_params.status = status;
@@ -922,7 +965,7 @@ tBTM_STATUS BTM_BlePeriodicAdvAddDevToList(tBLE_ADDR_TYPE addr_type, BD_ADDR add
 
     if ((err = btsnd_hcic_ble_add_dev_to_periodic_adv_list(addr_type, addr, sid)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE PA AddDevToList: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
 end:
@@ -946,7 +989,7 @@ tBTM_STATUS BTM_BlePeriodicAdvRemoveDevFromList(tBLE_ADDR_TYPE addr_type, BD_ADD
 
     if ((err = btsnd_hcic_ble_rm_dev_from_periodic_adv_list(addr_type, addr, sid)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE PA RmDevFromList: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
 end:
@@ -964,7 +1007,7 @@ tBTM_STATUS BTM_BlePeriodicAdvClearDev(void)
 
     if ((err = btsnd_hcic_ble_clear_periodic_adv_list()) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE PA ClrDev: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
     cb_params.status = status;
@@ -972,7 +1015,9 @@ tBTM_STATUS BTM_BlePeriodicAdvClearDev(void)
 
     return status;
 }
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
 
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 tBTM_STATUS BTM_BleSetExtendedScanParams(tBTM_BLE_EXT_SCAN_PARAMS *params)
 {
     UINT8 phy_mask = 0;
@@ -1016,7 +1061,7 @@ tBTM_STATUS BTM_BleSetExtendedScanParams(tBTM_BLE_EXT_SCAN_PARAMS *params)
     if ((err = btsnd_hcic_ble_set_ext_scan_params(params->own_addr_type, params->filter_policy, phy_mask, phy_count,
                                       hci_params)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE ES SetParams: cmd err=0x%x", err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
 end:
@@ -1042,7 +1087,7 @@ tBTM_STATUS BTM_BleExtendedScan(BOOLEAN enable, UINT16 duration, UINT16 period)
 
     if ((err = btsnd_hcic_ble_ext_scan_enable(enable, extend_adv_cb.scan_duplicate, duration, period)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("LE ES En=%d: cmd err=0x%x", enable, err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
 end:
@@ -1053,22 +1098,28 @@ end:
 
     return status;
 }
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 
 void BTM_BleSetPreferExtenedConnParams (BD_ADDR bd_addr, tBTM_EXT_CONN_PARAMS *params)
 {
     tBTM_SEC_DEV_REC  *p_dev_rec = btm_find_or_alloc_dev (bd_addr);
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
 
     if (p_dev_rec) {
         if (params) {
             memcpy(&p_dev_rec->ext_conn_params, params, sizeof(tBTM_EXT_CONN_PARAMS));
         } else {
-            BTM_TRACE_ERROR("Invalid Extand connection parameters");
+            BTM_TRACE_ERROR("Invalid Extended connection parameters");
+            status = BTM_ILLEGAL_VALUE;
         }
     } else {
-            BTM_TRACE_ERROR("Unknown Device, setting rejected");
+        BTM_TRACE_ERROR("Unknown Device, setting rejected");
+        status = BTM_UNKNOWN_ADDR;
     }
 
-    return;
+    cb_params.status = status;
+    BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_PREFER_EXT_CONN_PARAMS_SET_COMPLETE_EVT, &cb_params);
 }
 
 void btm_ble_extended_init(void)
@@ -1081,6 +1132,7 @@ void btm_ble_extended_cleanup(void)
 
 }
 
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 static tBTM_STATUS btm_ble_ext_adv_params_validate(tBTM_BLE_GAP_EXT_ADV_PARAMS *params)
 {
     if (!params) {
@@ -1157,6 +1209,7 @@ static tBTM_STATUS btm_ble_ext_adv_set_data_validate(UINT8 instance, UINT16 len,
 
     return BTM_SUCCESS;
 }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 
 void btm_ble_update_phy_evt(tBTM_BLE_UPDATE_PHY *params)
 {
@@ -1184,11 +1237,14 @@ void btm_ble_update_phy_evt(tBTM_BLE_UPDATE_PHY *params)
     return;
 }
 
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 void btm_ble_scan_timeout_evt(void)
 {
     BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_SCAN_TIMEOUT_EVT, NULL);
 }
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 void btm_ble_adv_set_terminated_evt(tBTM_BLE_ADV_TERMINAT *params)
 {
     tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
@@ -1199,7 +1255,7 @@ void btm_ble_adv_set_terminated_evt(tBTM_BLE_ADV_TERMINAT *params)
     }
 
     // adv terminated due to connection, save the adv handle and connection handle
-    if(params->completed_event == 0x00) {
+    if(params->status == 0x00) {
         adv_record[params->adv_handle].ter_con_handle = params->conn_handle;
     } else {
         adv_record[params->adv_handle].ter_con_handle = INVALID_VALUE;
@@ -1214,7 +1270,9 @@ void btm_ble_adv_set_terminated_evt(tBTM_BLE_ADV_TERMINAT *params)
 
     return;
 }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 void btm_ble_ext_adv_report_evt(tBTM_BLE_EXT_ADV_REPORT *params)
 {
     tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
@@ -1232,7 +1290,9 @@ void btm_ble_ext_adv_report_evt(tBTM_BLE_EXT_ADV_REPORT *params)
     return;
 
 }
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 void btm_ble_scan_req_received_evt(tBTM_BLE_SCAN_REQ_RECEIVED *params)
 {
     tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
@@ -1249,7 +1309,7 @@ void btm_ble_scan_req_received_evt(tBTM_BLE_SCAN_REQ_RECEIVED *params)
 
     return;
 }
-
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 void btm_ble_channel_select_algorithm_evt(tBTM_BLE_CHANNEL_SEL_ALG *params)
 {
     tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
@@ -1267,6 +1327,7 @@ void btm_ble_channel_select_algorithm_evt(tBTM_BLE_CHANNEL_SEL_ALG *params)
     return;
 }
 
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 void btm_ble_periodic_adv_report_evt(tBTM_PERIOD_ADV_REPORT *params)
 {
     tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
@@ -1320,7 +1381,9 @@ void btm_ble_periodic_adv_sync_establish_evt(tBTM_BLE_PERIOD_ADV_SYNC_ESTAB *par
     return;
 
 }
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
 
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 uint8_t btm_ble_ext_adv_active_count(void)
 {
     uint8_t count = 0;
@@ -1333,6 +1396,7 @@ uint8_t btm_ble_ext_adv_active_count(void)
 
     return count;
 }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
@@ -1378,7 +1442,7 @@ void BTM_BlePeriodicAdvRecvEnable(UINT16 sync_handle, UINT8 enable)
 
     if ((err = btsnd_hcic_ble_set_periodic_adv_recv_enable(sync_handle, enable)) != HCI_SUCCESS) {
         BTM_TRACE_ERROR("%s cmd err=0x%x", __func__, err);
-        status = BTM_ILLEGAL_VALUE;
+        status = BTM_HCI_ERROR | err;
     }
 
     cb_params.status = status;
@@ -1437,7 +1501,7 @@ void BTM_BleSetPeriodicAdvSyncTransParams(BD_ADDR bd_addr, UINT8 mode, UINT16 sk
         tHCI_STATUS err = HCI_SUCCESS;
         if ((err = btsnd_hcic_ble_set_default_periodic_adv_sync_trans_params(mode, skip, sync_timeout, cte_type)) != HCI_SUCCESS) {
             BTM_TRACE_ERROR("%s cmd err=0x%x", __func__, err);
-            status = BTM_ILLEGAL_VALUE;
+            status = BTM_HCI_ERROR | err;
         }
 
         cb_params.set_past_params.status = status;
@@ -1476,3 +1540,192 @@ void btm_ble_periodic_adv_sync_trans_recv_evt(tBTM_BLE_PERIOD_ADV_SYNC_TRANS_REC
     BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_PERIODIC_ADV_SYNC_TRANS_RECV_EVT, &cb_params);
 }
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+void BTM_BleEnhReadTransPowerLevel(uint16_t conn_handle, uint8_t phy)
+{
+    btsnd_hcic_ble_enh_read_trans_power_level(conn_handle, phy);
+}
+
+void BTM_BleReadRemoteTransPwrLevel(uint16_t conn_handle, uint8_t phy)
+{
+    btsnd_hcic_ble_read_remote_trans_power_level(conn_handle, phy);
+}
+
+void BTM_BleSetPathLossRptParams(uint16_t conn_handle, uint8_t high_threshold, uint8_t high_hysteresis,
+                                        uint8_t low_threshold, uint8_t low_hysteresis, uint16_t min_time_spent)
+{
+    tBTM_STATUS status = BTM_SUCCESS;
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_path_loss_rpt_params(conn_handle, high_threshold, high_hysteresis, low_threshold, low_hysteresis, min_time_spent)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("%s cmd err=0x%x", __func__, err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.path_loss_rpting_params.status = status;
+    cb_params.path_loss_rpting_params.conn_handle = conn_handle;
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_SET_PATH_LOSS_REPORTING_PARAMS_EVT, &cb_params);
+}
+
+void BTM_BleSetPathLossRptEnable(uint16_t conn_handle, uint8_t enable)
+{
+    tBTM_STATUS status = BTM_SUCCESS;
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_path_loss_rpt_enable(conn_handle, enable)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("%s cmd err=0x%x", __func__, err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.path_loss_rpting_enable.status = status;
+    cb_params.path_loss_rpting_enable.conn_handle = conn_handle;
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_SET_PATH_LOSS_REPORTING_ENABLE_EVT, &cb_params);
+}
+
+void BTM_BleSetTransPwrRptEnable(uint16_t conn_handle, uint8_t local_enable, uint8_t remote_enable)
+{
+    tBTM_STATUS status = BTM_SUCCESS;
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_trans_pwr_rpt_enable(conn_handle, local_enable, remote_enable)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("%s cmd err=0x%x", __func__, err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.trans_pwr_rpting_enable.status = status;
+    cb_params.trans_pwr_rpting_enable.conn_handle = conn_handle;
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_SET_TRANS_POWER_REPORTING_ENABLE_EVT, &cb_params);
+}
+
+void btm_enh_read_trans_pwr_level_cmpl_evt(uint8_t *p)
+{
+    uint8_t hci_status;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    STREAM_TO_UINT8(hci_status, p);
+    STREAM_TO_UINT16(cb_params.enh_trans_pwr_level_cmpl.conn_handle, p);
+    STREAM_TO_UINT8(cb_params.enh_trans_pwr_level_cmpl.phy, p);
+    STREAM_TO_UINT8(cb_params.enh_trans_pwr_level_cmpl.cur_tx_pwr_level, p);
+    STREAM_TO_UINT8(cb_params.enh_trans_pwr_level_cmpl.max_tx_pwr_level, p);
+
+    if(hci_status != HCI_SUCCESS) {
+        hci_status = BTM_HCI_ERROR | hci_status;
+        BTM_TRACE_ERROR("%s error status %d", __func__, hci_status);
+    }
+    cb_params.enh_trans_pwr_level_cmpl.status = hci_status;
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_ENH_READ_TRANS_POWER_LEVEL_EVT, &cb_params);
+}
+
+void btm_read_remote_trans_pwr_level_cmpl(UINT8 status)
+{
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    if (status != HCI_SUCCESS) {
+        status = (status | BTM_HCI_ERROR);
+    }
+
+    cb_params.remote_pwr_level_cmpl.status = status;
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_READ_REMOTE_TRANS_POWER_LEVEL_EVT, &cb_params);
+}
+
+void btm_ble_path_loss_threshold_evt(tBTM_BLE_PATH_LOSS_THRESHOLD_EVT *params)
+{
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    // If the user has register the callback function, should callback it to the application.
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_PATH_LOSS_THRESHOLD_EVT, (tBTM_BLE_5_GAP_CB_PARAMS *)params);
+}
+
+void btm_ble_transmit_power_report_evt(tBTM_BLE_TRANS_POWER_REPORT_EVT *params)
+{
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    if (params->status != HCI_SUCCESS) {
+        params->status = (params->status | BTM_HCI_ERROR);
+    }
+
+    // If the user has register the callback function, should callback it to the application.
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_TRANMIT_POWER_REPORTING_EVT, (tBTM_BLE_5_GAP_CB_PARAMS *)params);
+}
+
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+void BTM_BleSetDefaultSubrate(UINT16 subrate_min, UINT16 subrate_max, UINT16 max_latency, UINT16 continuation_number, UINT16 supervision_timeout)
+{
+    tBTM_STATUS status = BTM_SUCCESS;
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_default_subrate(subrate_min, subrate_max, max_latency, continuation_number, supervision_timeout)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("%s cmd err=0x%x", __func__, err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.status = status;
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_SET_DEFAULT_SUBRATE_EVT, &cb_params);
+}
+
+void BTM_BleSubrateRequest(UINT16 conn_handle, UINT16 subrate_min, UINT16 subrate_max, UINT16 max_latency, UINT16 continuation_number, UINT16 supervision_timeout)
+{
+    btsnd_hcic_ble_subrate_request(conn_handle, subrate_min, subrate_max, max_latency, continuation_number, supervision_timeout);
+}
+
+void btm_subrate_req_cmd_status(UINT8 status)
+{
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    if (status != HCI_SUCCESS) {
+        status = (status | BTM_HCI_ERROR);
+    }
+    cb_params.status = status;
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_SUBRATE_REQUEST_EVT, &cb_params);
+}
+
+void btm_ble_subrate_change_evt(tBTM_BLE_SUBRATE_CHANGE_EVT *params)
+{
+    if (params->status != HCI_SUCCESS) {
+        params->status = (params->status | BTM_HCI_ERROR);
+    }
+
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_SUBRATE_CHANGE_EVT, (tBTM_BLE_5_GAP_CB_PARAMS *)params);
+}
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+tBTM_STATUS BTM_BleSetHostFeature(uint16_t bit_num, uint8_t bit_val)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
+
+    BTM_TRACE_DEBUG("BTM_BleSetHostFeature bit_num %d bit_value %d\n", bit_num, bit_val);
+
+    if ((err = btsnd_hcic_ble_set_host_feature(bit_num, bit_val)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("set host feature, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.status = status;
+    BTM_ExtBleCallbackTrigger(BTM_BLE_GAP_SET_HOST_FEATURE_EVT, &cb_params);
+
+    return status;
+}
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_addr.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_addr.c
index d7ed2095..60548a76 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_addr.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_addr.c
@@ -384,6 +384,10 @@ static BOOLEAN btm_ble_match_random_bda(tBTM_SEC_DEV_REC *p_dev_rec)
 void btm_ble_resolve_random_addr(BD_ADDR random_bda, tBTM_BLE_RESOLVE_CBACK *p_cback, void *p)
 {
 #if (SMP_INCLUDED == TRUE)
+    if (btm_cb.addr_res_en == FALSE) {
+        return;
+    }
+
     tBTM_LE_RANDOM_CB   *p_mgnt_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
     list_node_t         *p_node    = NULL;
     tBTM_SEC_DEV_REC *p_dev_rec    = NULL;
@@ -458,6 +462,10 @@ tBTM_SEC_DEV_REC *btm_find_dev_by_identity_addr(BD_ADDR bd_addr, UINT8 addr_type
 BOOLEAN btm_identity_addr_to_random_pseudo(BD_ADDR bd_addr, UINT8 *p_addr_type, BOOLEAN refresh)
 {
 #if BLE_PRIVACY_SPT == TRUE
+    if (btm_cb.addr_res_en == FALSE) {
+        return TRUE;
+    }
+
     tBTM_SEC_DEV_REC    *p_dev_rec = btm_find_dev_by_identity_addr(bd_addr, *p_addr_type);
 
     BTM_TRACE_EVENT ("%s", __func__);
@@ -491,6 +499,10 @@ BOOLEAN btm_identity_addr_to_random_pseudo(BD_ADDR bd_addr, UINT8 *p_addr_type,
 BOOLEAN btm_random_pseudo_to_identity_addr(BD_ADDR random_pseudo, UINT8 *p_static_addr_type)
 {
 #if BLE_PRIVACY_SPT == TRUE
+    if (btm_cb.addr_res_en == FALSE) {
+        return TRUE;
+    }
+
     tBTM_SEC_DEV_REC    *p_dev_rec = btm_find_dev (random_pseudo);
 
     if (p_dev_rec != NULL) {
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_adv_filter.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_adv_filter.c
index c0ae0aaa..9da09143 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_adv_filter.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_adv_filter.c
@@ -22,6 +22,7 @@
 #include "common/bt_target.h"
 
 #if (BLE_INCLUDED == TRUE)
+#if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE
 #include "stack/bt_types.h"
 #include "stack/hcimsgs.h"
 #include "stack/btu.h"
@@ -445,11 +446,11 @@ BOOLEAN btm_ble_dealloc_addr_filter_counter(tBLE_BD_ADDR *p_bd_addr, UINT8 filte
 **
 ** Function         btm_ble_update_pf_local_name
 **
-** Description      this function update(add,delete or clear) the adv lcoal name filtering condition.
+** Description      this function update(add,delete or clear) the adv local name filtering condition.
 **
 **
-** Returns          BTM_SUCCESS if sucessful,
-**                  BTM_ILLEGAL_VALUE if paramter is not valid.
+** Returns          BTM_SUCCESS if successful,
+**                  BTM_ILLEGAL_VALUE if parameter is not valid.
 **
 *******************************************************************************/
 tBTM_STATUS btm_ble_update_pf_local_name(tBTM_BLE_SCAN_COND_OP action,
@@ -506,8 +507,8 @@ tBTM_STATUS btm_ble_update_pf_local_name(tBTM_BLE_SCAN_COND_OP action,
 ** Description      this function update(add/remove) service data change filter.
 **
 **
-** Returns          BTM_SUCCESS if sucessful,
-**                  BTM_ILLEGAL_VALUE if paramter is not valid.
+** Returns          BTM_SUCCESS if successful,
+**                  BTM_ILLEGAL_VALUE if parameter is not valid.
 **
 *******************************************************************************/
 tBTM_STATUS btm_ble_update_srvc_data_change(tBTM_BLE_SCAN_COND_OP action,
@@ -534,8 +535,8 @@ tBTM_STATUS btm_ble_update_srvc_data_change(tBTM_BLE_SCAN_COND_OP action,
 **                  data filtering condition.
 **
 **
-** Returns          BTM_SUCCESS if sucessful,
-**                  BTM_ILLEGAL_VALUE if paramter is not valid.
+** Returns          BTM_SUCCESS if successful,
+**                  BTM_ILLEGAL_VALUE if parameter is not valid.
 **
 *******************************************************************************/
 tBTM_STATUS btm_ble_update_pf_manu_data(tBTM_BLE_SCAN_COND_OP action,
@@ -708,8 +709,8 @@ UINT8 btm_ble_cs_update_pf_counter(tBTM_BLE_SCAN_COND_OP action,
 ** Description      this function update(add,delete or clear) the address filter of adv.
 **
 **
-** Returns          BTM_SUCCESS if sucessful,
-**                  BTM_ILLEGAL_VALUE if paramter is not valid.
+** Returns          BTM_SUCCESS if successful,
+**                  BTM_ILLEGAL_VALUE if parameter is not valid.
 **
 *******************************************************************************/
 tBTM_STATUS btm_ble_update_addr_filter(tBTM_BLE_SCAN_COND_OP action,
@@ -757,8 +758,8 @@ tBTM_STATUS btm_ble_update_addr_filter(tBTM_BLE_SCAN_COND_OP action,
 ** Description      this function update(add,delete or clear) service UUID filter.
 **
 **
-** Returns          BTM_SUCCESS if sucessful,
-**                  BTM_ILLEGAL_VALUE if paramter is not valid.
+** Returns          BTM_SUCCESS if successful,
+**                  BTM_ILLEGAL_VALUE if parameter is not valid.
 **
 *******************************************************************************/
 tBTM_STATUS btm_ble_update_uuid_filter(tBTM_BLE_SCAN_COND_OP action,
@@ -872,7 +873,7 @@ tBTM_STATUS btm_ble_update_uuid_filter(tBTM_BLE_SCAN_COND_OP action,
             memset(&btm_ble_adv_filt_cb.cur_filter_target, 0, sizeof(tBLE_BD_ADDR));
         }
     } else {
-        BTM_TRACE_ERROR("UUID filter udpating failed");
+        BTM_TRACE_ERROR("UUID filter updating failed");
     }
 
     return st;
@@ -886,8 +887,8 @@ tBTM_STATUS btm_ble_update_uuid_filter(tBTM_BLE_SCAN_COND_OP action,
 ** Description      clear all adv payload filter by de-select all the adv pf feature bits
 **
 **
-** Returns          BTM_SUCCESS if sucessful,
-**                  BTM_ILLEGAL_VALUE if paramter is not valid.
+** Returns          BTM_SUCCESS if successful,
+**                  BTM_ILLEGAL_VALUE if parameter is not valid.
 **
 *******************************************************************************/
 tBTM_STATUS btm_ble_clear_scan_pf_filter(tBTM_BLE_SCAN_COND_OP action,
@@ -1303,4 +1304,5 @@ void btm_ble_adv_filter_cleanup(void)
 #endif
 }
 
+#endif // #if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE
 #endif
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_batchscan.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_batchscan.c
index 5b0fcd8f..b4b58643 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_batchscan.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_batchscan.c
@@ -29,15 +29,22 @@
 #include "stack/hcimsgs.h"
 
 #if (BLE_INCLUDED == TRUE)
+#if (BLE_HOST_BATCH_SCAN_EN == TRUE)
 
 #if BTM_DYNAMIC_MEMORY == FALSE
 tBTM_BLE_BATCH_SCAN_CB      ble_batchscan_cb;
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 tBTM_BLE_ADV_TRACK_CB       ble_advtrack_cb;
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 #else
 tBTM_BLE_BATCH_SCAN_CB      *ble_batchscan_cb_ptr;
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 tBTM_BLE_ADV_TRACK_CB       *ble_advtrack_cb_ptr;
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 #define ble_batchscan_cb    (*ble_batchscan_cb_ptr)
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 #define ble_advtrack_cb     (*ble_advtrack_cb_ptr)
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 #endif
 
 /* length of each batch scan command */
@@ -66,10 +73,11 @@ void btm_ble_batchscan_cleanup(void);
 *******************************************************************************/
 void btm_ble_batchscan_filter_track_adv_vse_cback(UINT8 len, UINT8 *p)
 {
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
     tBTM_BLE_TRACK_ADV_DATA adv_data;
-
-    UINT8   sub_event = 0;
     tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
+    UINT8   sub_event = 0;
     STREAM_TO_UINT8(sub_event, p);
 
     BTM_TRACE_EVENT("btm_ble_batchscan_filter_track_adv_vse_cback called with event:%x", sub_event);
@@ -78,7 +86,7 @@ void btm_ble_batchscan_filter_track_adv_vse_cback(UINT8 len, UINT8 *p)
         ble_batchscan_cb.p_thres_cback(ble_batchscan_cb.ref_value);
         return;
     }
-
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
     if (HCI_VSE_SUBCODE_BLE_TRACKING_SUB_EVT == sub_event && NULL != ble_advtrack_cb.p_track_cback) {
         if (len < 10) {
             return;
@@ -125,6 +133,7 @@ void btm_ble_batchscan_filter_track_adv_vse_cback(UINT8 len, UINT8 *p)
         ble_advtrack_cb.p_track_cback(&adv_data);
         return;
     }
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 }
 
 /*******************************************************************************
@@ -598,6 +607,7 @@ tBTM_STATUS btm_ble_enable_disable_batchscan(BOOLEAN should_enable)
     return status;
 }
 
+#if (BLE_HOST_SETUP_STORAGE_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleSetStorageConfig
@@ -676,7 +686,7 @@ tBTM_STATUS BTM_BleSetStorageConfig(UINT8 batch_scan_full_max, UINT8 batch_scan_
 
     return status;
 }
-
+#endif // #if (BLE_HOST_SETUP_STORAGE_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -796,6 +806,7 @@ tBTM_STATUS BTM_BleDisableBatchScan(tBTM_BLE_REF_VALUE ref_value)
     return status;
 }
 
+#if (BLE_HOST_READ_SCAN_REPORTS_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleReadScanReports
@@ -854,8 +865,9 @@ tBTM_STATUS BTM_BleReadScanReports(tBTM_BLE_BATCH_SCAN_MODE scan_mode,
     }
     return status;
 }
+#endif // #if (BLE_HOST_READ_SCAN_REPORTS_EN == TRUE)
 
-
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleTrackAdvertiser
@@ -888,6 +900,7 @@ tBTM_STATUS BTM_BleTrackAdvertiser(tBTM_BLE_TRACK_ADV_CBACK *p_track_cback,
     ble_advtrack_cb.ref_value = ref_value;
     return BTM_CMD_STARTED;
 }
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -904,7 +917,9 @@ void btm_ble_batchscan_init(void)
 {
 #if BTM_DYNAMIC_MEMORY == TRUE
     ble_batchscan_cb_ptr = (tBTM_BLE_BATCH_SCAN_CB *)osi_malloc(sizeof(tBTM_BLE_BATCH_SCAN_CB));
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
     ble_advtrack_cb_ptr = (tBTM_BLE_ADV_TRACK_CB *)osi_malloc(sizeof(tBTM_BLE_ADV_TRACK_CB));
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
     if (ble_batchscan_cb_ptr == NULL || ble_advtrack_cb_ptr == NULL) {
         BTM_TRACE_ERROR("%s malloc failed", __func__);
         return;
@@ -912,7 +927,9 @@ void btm_ble_batchscan_init(void)
 #endif
     BTM_TRACE_EVENT (" btm_ble_batchscan_init");
     memset(&ble_batchscan_cb, 0, sizeof(tBTM_BLE_BATCH_SCAN_CB));
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
     memset(&ble_advtrack_cb, 0, sizeof(tBTM_BLE_ADV_TRACK_CB));
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
     BTM_RegisterForVSEvents(btm_ble_batchscan_filter_track_adv_vse_cback, TRUE);
 }
 
@@ -940,14 +957,21 @@ void btm_ble_batchscan_cleanup(void)
     }
 
     memset(&ble_batchscan_cb, 0, sizeof(tBTM_BLE_BATCH_SCAN_CB));
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
     memset(&ble_advtrack_cb, 0, sizeof(tBTM_BLE_ADV_TRACK_CB));
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 
 #if BTM_DYNAMIC_MEMORY == TRUE
     osi_free(ble_batchscan_cb_ptr);
-    osi_free(ble_advtrack_cb_ptr);
     ble_batchscan_cb_ptr = NULL;
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
+    osi_free(ble_advtrack_cb_ptr);
     ble_advtrack_cb_ptr = NULL;
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
+
 #endif
 }
 
+#endif // #if (BLE_HOST_BATCH_SCAN_EN == TRUE)
+
 #endif
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_bgconn.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_bgconn.c
index 4cb282b7..bf9b1adb 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_bgconn.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_bgconn.c
@@ -201,7 +201,12 @@ BOOLEAN btm_add_dev_to_controller (BOOLEAN to_add, BD_ADDR bd_addr, tBLE_ADDR_TY
 
     /* Controller do not support resolvable address now, only support public address and static random address */
     BOOLEAN  started = FALSE;
-    if(wl_addr_type > BLE_ADDR_RANDOM) {
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+    if (wl_addr_type > BLE_ADDR_RANDOM && wl_addr_type != BLE_ADDR_ANONYMOUS)
+#else
+    if (wl_addr_type > BLE_ADDR_RANDOM)
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+    {
         BTM_TRACE_ERROR("wl_addr_type is error\n");
         return started;
     }
@@ -278,7 +283,12 @@ void btm_enq_wl_dev_operation(BOOLEAN to_add, BD_ADDR bd_addr, tBLE_ADDR_TYPE ad
 *******************************************************************************/
 BOOLEAN btm_update_dev_to_white_list(BOOLEAN to_add, BD_ADDR bd_addr, tBLE_ADDR_TYPE addr_type, tBTM_UPDATE_WHITELIST_CBACK *update_wl_cb)
 {
-    if(addr_type > BLE_ADDR_RANDOM) {
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+    if (addr_type > BLE_ADDR_RANDOM && addr_type != BLE_ADDR_ANONYMOUS)
+#else
+    if (addr_type > BLE_ADDR_RANDOM)
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+    {
         BTM_TRACE_ERROR("%s address type is error, unable to add device", __func__);
         if (update_wl_cb){
             update_wl_cb(HCI_ERR_ILLEGAL_PARAMETER_FMT,to_add);
@@ -423,6 +433,23 @@ void btm_ble_white_list_init(UINT8 white_list_size)
     btm_cb.ble_ctr_cb.white_list_avail_size = white_list_size;
 }
 
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
+/*******************************************************************************
+**
+** Function         btm_ble_periodic_adv_list_init
+**
+** Description      Initialize the periodic advertiser list size.
+**
+** Parameters       periodic_adv_size: The size of the periodic advertiser list to be initialized.
+**
+*******************************************************************************/
+void btm_ble_periodic_adv_list_init(UINT8 periodic_adv_size)
+{
+    BTM_TRACE_DEBUG("%s white_list_size = %d", __func__, periodic_adv_size);
+    btm_cb.ble_ctr_cb.periodic_adv_list_size = periodic_adv_size;
+}
+#endif //#if (BLE_50_EXTEND_SYNC_EN == TRUE)
+
 /*******************************************************************************
 **
 ** Function         btm_ble_add_2_white_list_complete
@@ -648,6 +675,7 @@ void btm_ble_initiate_select_conn(BD_ADDR bda)
         BTM_TRACE_ERROR("btm_ble_initiate_select_conn failed");
     }
 }
+#if (tGATT_BG_CONN_DEV == TRUE)
 /*******************************************************************************
 **
 ** Function         btm_ble_suspend_bg_conn
@@ -672,6 +700,8 @@ BOOLEAN btm_ble_suspend_bg_conn(void)
 
     return FALSE;
 }
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
+
 /*******************************************************************************
 **
 ** Function         btm_suspend_wl_activity
@@ -689,10 +719,11 @@ static void btm_suspend_wl_activity(tBTM_BLE_WL_STATE wl_state)
     if (wl_state & BTM_BLE_WL_SCAN) {
         btm_ble_start_select_conn(FALSE, NULL);
     }
+#if (BLE_42_ADV_EN == TRUE)
     if (wl_state & BTM_BLE_WL_ADV) {
         btm_ble_stop_adv();
     }
-
+#endif // #if (BLE_42_ADV_EN == TRUE)
 }
 /*******************************************************************************
 **
@@ -705,9 +736,13 @@ static void btm_suspend_wl_activity(tBTM_BLE_WL_STATE wl_state)
 *******************************************************************************/
 void btm_resume_wl_activity(tBTM_BLE_WL_STATE wl_state)
 {
+#if (tGATT_BG_CONN_DEV == TRUE)
     btm_ble_resume_bg_conn();
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     if (wl_state & BTM_BLE_WL_ADV) {
+#if (BLE_42_ADV_EN == TRUE)
         btm_ble_start_adv();
+#endif // #if (BLE_42_ADV_EN == TRUE)
     }
 
 }
@@ -724,12 +759,13 @@ void btm_resume_wl_activity(tBTM_BLE_WL_STATE wl_state)
 static void btm_wl_update_to_controller(void)
 {
     /* whitelist will be added in the btm_ble_resume_bg_conn(), we do not
-       support background connection now, so we nedd to use btm_execute_wl_dev_operation
+       support background connection now, so we need to use btm_execute_wl_dev_operation
        to add whitelist directly ,if we support background connection in the future,
        please delete btm_execute_wl_dev_operation(). */
     btm_execute_wl_dev_operation();
 
 }
+#if (tGATT_BG_CONN_DEV == TRUE)
 /*******************************************************************************
 **
 ** Function         btm_ble_resume_bg_conn
@@ -759,6 +795,8 @@ BOOLEAN btm_ble_resume_bg_conn(void)
 
     return ret;
 }
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
+
 /*******************************************************************************
 **
 ** Function         btm_ble_get_conn_st
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_cont_energy.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_cont_energy.c
index dd23d3e9..4b68fe80 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_cont_energy.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_cont_energy.c
@@ -20,6 +20,7 @@
 #include "common/bt_target.h"
 
 #if (BLE_INCLUDED == TRUE)
+#if (BLE_HOST_ENERGY_INFO_EN == TRUE)
 #include "stack/bt_types.h"
 #include "stack/hcimsgs.h"
 #include "stack/btu.h"
@@ -104,5 +105,6 @@ tBTM_STATUS BTM_BleGetEnergyInfo(tBTM_BLE_ENERGY_INFO_CBACK *p_ener_cback)
 
     return status;
 }
+#endif // #if (BLE_HOST_ENERGY_INFO_EN == TRUE)
 
 #endif
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_cte.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_cte.c
new file mode 100644
index 00000000..a79932de
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_cte.c
@@ -0,0 +1,237 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "btm_int.h"
+#include "stack/hcimsgs.h"
+#include "osi/allocator.h"
+#include "device/controller.h"
+#include <string.h>
+#include "l2c_int.h"
+
+tBTM_BLE_CTE_CBACK ble_cte_cb;
+
+extern void btm_ble_inter_set(bool extble_inter);
+
+void BTM_BleCteRegisterCallback(tBTM_BLE_CTE_CBACK cb)
+{
+    if (cb) {
+        ble_cte_cb = cb;
+    } else {
+        BTM_TRACE_ERROR("%s, register fail, the cb function is NULL.", __func__);
+    }
+}
+
+void BTM_CteBleCallbackTrigger(tBTM_BLE_5_GAP_EVENT event, tBTM_BLE_CTE_CB_PARAMS *params)
+{
+    BTM_TRACE_DEBUG("%s event %x", __func__, event);
+
+    if(params && params->status == BTM_SUCCESS) {
+        btm_ble_inter_set(true);
+    }
+    if (ble_cte_cb) {
+        ble_cte_cb(event, params);
+    }
+}
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+tBTM_STATUS BTM_BleSetCteTransParams(uint8_t adv_handle, uint8_t cte_len, uint8_t cte_type, uint8_t cte_count, uint8_t switching_pattern_len, uint8_t *antenna_ids)
+{
+
+
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_connless_cte_trans_params(adv_handle, cte_len, cte_type, cte_count, switching_pattern_len, antenna_ids)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte set trans params, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.cte_trans_params_cmpl.status = status;
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_SET_TRANS_PARAMS_EVT, &cb_params);
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleCteSetConnectionlessTransEnable(uint8_t adv_handle, uint8_t cte_en)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_connless_cte_enable(adv_handle, cte_en)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte set trans enable, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.cte_trans_en_cmpl.status = status;
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_SET_TRANS_ENABLE_EVT, &cb_params);
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleCteSetConnectionlessIqSamplingEnable(uint16_t sync_handle, uint8_t sampling_en, uint8_t slot_dur,
+                                                    uint8_t max_sampled_ctes, uint8_t switching_pattern_len, uint8_t *ant_ids)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_connless_iq_sampling_enable(sync_handle, sampling_en, slot_dur, max_sampled_ctes, switching_pattern_len, ant_ids)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte set trans enable, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.cte_iq_samp_en_cmpl.status = status;
+    cb_params.cte_iq_samp_en_cmpl.sync_handle = sync_handle;
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_SET_IQ_SAMP_ENABLE_EVT, &cb_params);
+
+    return status;
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+tBTM_STATUS BTM_BleCteSetConnectionReceiveParams(uint16_t conn_handle, uint8_t sampling_en, uint8_t slot_dur,
+                                            uint8_t switching_pattern_len, uint8_t *ant_ids)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_conn_cte_receive_params(conn_handle, sampling_en, slot_dur, switching_pattern_len, ant_ids)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte set conn recv params, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.cte_recv_params_cmpl.status = status;
+    cb_params.cte_recv_params_cmpl.conn_handle = conn_handle;
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_SET_CONN_RECV_PARAMS_EVT, &cb_params);
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleCteSetConnectionTransParams(uint16_t conn_handle, uint8_t cte_types, uint8_t switching_pattern_len, uint8_t *ant_ids)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_set_conn_cte_trans_params(conn_handle, cte_types, switching_pattern_len, ant_ids)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte set conn trans params, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.cte_conn_trans_params_cmpl.status = status;
+    cb_params.cte_conn_trans_params_cmpl.conn_handle = conn_handle;
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_SET_CONN_TRANS_PARAMS_EVT, &cb_params);
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleCteSetConnectionRequestEnable(uint16_t conn_handle, uint8_t enable, uint16_t cte_req_int,
+                                            uint8_t req_cte_len, uint8_t req_cte_type)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_conn_cte_req_enable(conn_handle, enable, cte_req_int, req_cte_len, req_cte_type)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte set conn req en, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.cte_conn_req_en_cmpl.status = status;
+    cb_params.cte_conn_req_en_cmpl.conn_handle = conn_handle;
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_SET_CONN_REQ_ENABLE_EVT, &cb_params);
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleCteSetConnectionRspEnable(uint16_t conn_handle, uint8_t enable)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_conn_cte_rsp_enable(conn_handle, enable)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte set conn rsp en, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.cte_conn_rsp_en_cmpl.status = status;
+    cb_params.cte_conn_rsp_en_cmpl.conn_handle = conn_handle;
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_SET_CONN_RSP_ENABLE_EVT, &cb_params);
+
+    return status;
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+
+tBTM_STATUS BTM_BleCteReadAntInfor(void)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+
+    if ((err = btsnd_hcic_ble_read_antenna_info()) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("cte read ant information, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    return status;
+}
+
+void btm_ble_cte_read_ant_infor_complete(UINT8 *p)
+{
+    tBTM_BLE_CTE_CB_PARAMS cb_params = {0};
+
+    STREAM_TO_UINT8(cb_params.cte_read_ant_infor_cmpl.status, p);
+    STREAM_TO_UINT8(cb_params.cte_read_ant_infor_cmpl.supported_switching_sampling_rates, p);
+    STREAM_TO_UINT8(cb_params.cte_read_ant_infor_cmpl.num_ant, p);
+    STREAM_TO_UINT8(cb_params.cte_read_ant_infor_cmpl.max_switching_pattern_len, p);
+    STREAM_TO_UINT8(cb_params.cte_read_ant_infor_cmpl.max_cte_len, p);
+
+    if (cb_params.cte_read_ant_infor_cmpl.status != HCI_SUCCESS) {
+        cb_params.cte_read_ant_infor_cmpl.status = (BTM_HCI_ERROR | cb_params.cte_read_ant_infor_cmpl.status);
+    }
+
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_READ_ANT_INFOR_EVT, &cb_params);
+}
+
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+void btm_ble_connless_iq_report_evt(tBTM_BLE_CTE_CONNLESS_IQ_REPORT_EVT *params)
+{
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_CONNLESS_IQ_REPORT_EVT, (tBTM_BLE_CTE_CB_PARAMS *)params);
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+void btm_ble_conn_iq_report_evt(tBTM_BLE_CTE_CONN_IQ_REPORT_EVT *params)
+{
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_CONN_IQ_REPORT_EVT, (tBTM_BLE_CTE_CB_PARAMS *)params);
+}
+
+void btm_ble_cte_req_failed_evt(tBTM_BLE_CTE_REQ_FAILED_EVT *params)
+{
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    if (params->status != HCI_SUCCESS) {
+        params->status = (params->status | BTM_HCI_ERROR);
+    }
+
+    BTM_CteBleCallbackTrigger(BTM_BLE_CTE_REQUEST_FAILED_EVT, (tBTM_BLE_CTE_CB_PARAMS *)params);
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_gap.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_gap.c
index df24fa08..f3886643 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_gap.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_gap.c
@@ -71,20 +71,28 @@ static tBTM_BLE_CTRL_FEATURES_CBACK    *p_ctrl_le_feature_rd_cmpl_cback = NULL;
 #endif
 
 tBTM_CallbackFunc conn_callback_func;
+// BLE vendor HCI event callback
+#if (BLE_VENDOR_HCI_EN == TRUE)
+static tBTM_BLE_VENDOR_HCI_EVT_CBACK *ble_vs_evt_callback = NULL;
+#endif // #if (BLE_VENDOR_HCI_EN == TRUE)
 /*******************************************************************************
 **  Local functions
 *******************************************************************************/
 static void btm_ble_update_adv_flag(UINT8 flag);
 static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p);
+
 UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
                               tBTM_BLE_ADV_DATA *p_data);
+
 static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
         BD_ADDR_PTR p_peer_addr_ptr,
         tBLE_ADDR_TYPE *p_peer_addr_type,
         tBLE_ADDR_TYPE *p_own_addr_type);
 static void btm_ble_stop_observe(void);
 static void btm_ble_stop_discover(void);
+#if (BLE_42_SCAN_EN == TRUE)
 static void btm_adv_pkt_handler(void *arg);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 uint32_t BTM_BleUpdateOwnType(uint8_t *own_bda_type, tBTM_START_ADV_CMPL_CBACK *cb);
 
 #define BTM_BLE_INQ_RESULT          0x01
@@ -246,56 +254,77 @@ const UINT8 btm_le_state_combo_tbl[BTM_BLE_STATE_MAX][BTM_BLE_STATE_MAX][2] = {
 /* check LE combo state supported */
 #define BTM_LE_STATES_SUPPORTED(x, y, z)      ((x)[(z)] & (y))
 
+#if (BLE_42_ADV_EN == TRUE)
 static osi_mutex_t adv_enable_lock;
 static osi_mutex_t adv_data_lock;
 static osi_mutex_t adv_param_lock;
-static osi_mutex_t scan_enable_lock;
-static osi_mutex_t scan_param_lock;
 osi_sem_t adv_enable_sem;
 osi_sem_t adv_data_sem;
 osi_sem_t adv_param_sem;
-osi_sem_t scan_enable_sem;
-osi_sem_t scan_param_sem;
 uint8_t adv_enable_status  = 0;
 uint8_t adv_data_status    = 0;
 uint8_t adv_param_status   = 0;
+#endif // #if (BLE_42_ADV_EN == TRUE)
+
+#if (BLE_42_SCAN_EN == TRUE)
+static osi_mutex_t scan_enable_lock;
+static osi_mutex_t scan_param_lock;
+osi_sem_t scan_enable_sem;
+osi_sem_t scan_param_sem;
 uint8_t scan_enable_status = 0;
 uint8_t scan_param_status  = 0;
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
 void btm_ble_lock_init(void)
 {
+#if (BLE_42_ADV_EN == TRUE)
     osi_mutex_new(&adv_enable_lock);
     osi_mutex_new(&adv_data_lock);
     osi_mutex_new(&adv_param_lock);
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     osi_mutex_new(&scan_enable_lock);
     osi_mutex_new(&scan_param_lock);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 }
 
 void btm_ble_lock_free(void)
 {
+#if (BLE_42_ADV_EN == TRUE)
     osi_mutex_free(&adv_enable_lock);
     osi_mutex_free(&adv_data_lock);
     osi_mutex_free(&adv_param_lock);
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     osi_mutex_free(&scan_enable_lock);
     osi_mutex_free(&scan_param_lock);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 }
 
 void btm_ble_sem_init(void)
 {
+#if (BLE_42_ADV_EN == TRUE)
     osi_sem_new(&adv_enable_sem, 1, 0);
     osi_sem_new(&adv_data_sem, 1, 0);
     osi_sem_new(&adv_param_sem, 1, 0);
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     osi_sem_new(&scan_enable_sem, 1, 0);
     osi_sem_new(&scan_param_sem, 1, 0);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 }
 
 void btm_ble_sem_free(void)
 {
+#if (BLE_42_ADV_EN == TRUE)
     osi_sem_free(&adv_enable_sem);
     osi_sem_free(&adv_data_sem);
     osi_sem_free(&adv_param_sem);
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     osi_sem_free(&scan_enable_sem);
     osi_sem_free(&scan_param_sem);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 }
 
 /*******************************************************************************
@@ -326,6 +355,13 @@ void BTM_BleRegiseterPktLengthChangeCallback(tBTM_SET_PKT_DATA_LENGTH_CBACK *ptk
     conn_callback_func.set_pkt_data_length_cb = ptk_len_chane_cb;
 }
 
+#if (BLE_VENDOR_HCI_EN == TRUE)
+void BTM_BleRegisterVendorHciEventCallback(tBTM_BLE_VENDOR_HCI_EVT_CBACK *vendor_hci_evt_cb)
+{
+    ble_vs_evt_callback = vendor_hci_evt_cb;
+}
+#endif // #if (BLE_VENDOR_HCI_EN == TRUE)
+
 /*******************************************************************************
 **
 ** Function         BTM_BleUpdateAdvWhitelist
@@ -380,14 +416,22 @@ void BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy)
     if (p_cb->afp != adv_policy) {
         p_cb->afp = adv_policy;
 
+#if (BLE_42_ADV_EN == TRUE)
         /* if adv active, stop and restart */
         btm_ble_stop_adv ();
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
         if (p_cb->connectable_mode & BTM_BLE_CONNECTABLE) {
             p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type,
                              &p_cb->adv_addr_type);
         }
 
+        uint8_t null_addr[BD_ADDR_LEN] = {0};
+        if ((p_cb->evt_type == 0x01 || p_cb->evt_type == 0x04) && memcmp(p_addr_ptr, null_addr, BD_ADDR_LEN) == 0) {
+            /* directed advertising */
+            return;
+        }
+
         btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min :
                                          BTM_BLE_GAP_ADV_SLOW_INT),
                                          (UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max :
@@ -400,7 +444,9 @@ void BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy)
                                          p_cb->afp);
 
         if (adv_mode == BTM_BLE_ADV_ENABLE) {
+#if (BLE_42_ADV_EN == TRUE)
             btm_ble_start_adv ();
+#endif // #if (BLE_42_ADV_EN == TRUE)
         }
 
     }
@@ -506,8 +552,9 @@ tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT32 duration,
                                                   btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
                                                   BTM_BLE_DEFAULT_SFP);
             }
-
+#if (BLE_42_SCAN_EN == TRUE)
             status = btm_ble_start_scan();
+#endif // #if (BLE_42_SCAN_EN == TRUE)
         }
 
         if (status == BTM_CMD_STARTED) {
@@ -529,6 +576,7 @@ tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT32 duration,
 
 }
 
+#if (BLE_42_SCAN_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleScan
@@ -606,7 +654,9 @@ tBTM_STATUS BTM_BleScan(BOOLEAN start, UINT32 duration,
     return status;
 
 }
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
+#if (BLE_42_ADV_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleBroadcast
@@ -665,7 +715,7 @@ tBTM_STATUS BTM_BleBroadcast(BOOLEAN start, tBTM_START_STOP_ADV_CMPL_CBACK  *p_s
     }
     return status;
 }
-
+#endif // #if (BLE_42_ADV_EN == TRUE)
 #if BLE_VND_INCLUDED == TRUE
 /*******************************************************************************
 **
@@ -717,11 +767,11 @@ static void btm_ble_vendor_capability_vsc_cmpl_cback (tBTM_VSC_CMPL *p_vcs_cplt_
                     __func__, status, btm_cb.cmn_ble_vsc_cb.max_irk_list_sz,
                     btm_cb.cmn_ble_vsc_cb.adv_inst_max, btm_cb.cmn_ble_vsc_cb.rpa_offloading,
                     btm_cb.cmn_ble_vsc_cb.energy_support, btm_cb.cmn_ble_vsc_cb.extended_scan_support);
-
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
     if (BTM_BleMaxMultiAdvInstanceCount() > 0) {
         btm_ble_multi_adv_init();
     }
-
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
     if (btm_cb.cmn_ble_vsc_cb.max_filter > 0) {
         btm_ble_adv_filter_init();
     }
@@ -899,9 +949,11 @@ BOOLEAN BTM_BleConfigPrivacy(BOOLEAN privacy_mode, tBTM_SET_LOCAL_PRIVACY_CBACK
         btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low);
 #endif
 
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
         if (BTM_BleMaxMultiAdvInstanceCount() > 0) {
             btm_ble_multi_adv_enb_privacy(privacy_mode);
         }
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 
         /* 4.2 controller only allow privacy 1.2 or mixed mode, resolvable private address in controller */
         if (controller_get_interface()->supports_ble_privacy()) {
@@ -1139,6 +1191,7 @@ void BTM_BleConfigConnParams(uint16_t int_min, uint16_t int_max, uint16_t latenc
 #endif
 }
 
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 /*******************************************************************************
 **
 ** Function          BTM_BleMaxMultiAdvInstanceCount
@@ -1153,6 +1206,7 @@ extern UINT8  BTM_BleMaxMultiAdvInstanceCount(void)
     return btm_cb.cmn_ble_vsc_cb.adv_inst_max < BTM_BLE_MULTI_ADV_MAX ?
            btm_cb.cmn_ble_vsc_cb.adv_inst_max : BTM_BLE_MULTI_ADV_MAX;
 }
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 
 #if BLE_PRIVACY_SPT == TRUE
 /*******************************************************************************
@@ -1291,7 +1345,9 @@ void BTM_BleClearBgConnDev(void)
 {
     btm_ble_start_auto_conn(FALSE);
     btm_ble_clear_white_list(NULL);
+#if (tGATT_BG_CONN_DEV == TRUE)
     gatt_reset_bgdev_list();
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
 }
 
 /*******************************************************************************
@@ -1314,7 +1370,7 @@ BOOLEAN BTM_BleUpdateBgConnDev(BOOLEAN add_remove, BD_ADDR   remote_bda)
     BTM_TRACE_EVENT("%s() add=%d", __func__, add_remove);
     return btm_update_dev_to_white_list(add_remove, remote_bda, 0, NULL);
 }
-
+#if 0
 /*******************************************************************************
 **
 ** Function         BTM_BleSetConnectableMode
@@ -1342,7 +1398,7 @@ tBTM_STATUS BTM_BleSetConnectableMode(tBTM_BLE_CONN_MODE connectable_mode)
     p_cb->directed_conn = connectable_mode;
     return btm_ble_set_connectability( p_cb->connectable_mode);
 }
-
+#endif
 /*******************************************************************************
 **
 ** Function         btm_set_conn_mode_adv_init_addr
@@ -1435,76 +1491,7 @@ static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
     return evt_type;
 }
 
-/*******************************************************************************
-**
-** Function         BTM_BleSetAdvParams
-**
-** Description      This function is called to set advertising parameters.
-**
-** Parameters       adv_int_min: minimum advertising interval
-**                  adv_int_max: maximum advertising interval
-**                  p_dir_bda: connectable direct initiator's LE device address
-**                  chnl_map: advertising channel map.
-**
-** Returns          void
-**
-*******************************************************************************/
-tBTM_STATUS BTM_BleSetAdvParams(UINT16 adv_int_min, UINT16 adv_int_max,
-                                tBLE_BD_ADDR *p_dir_bda,
-                                tBTM_BLE_ADV_CHNL_MAP chnl_map)
-{
-    tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
-    tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
-    tBTM_STATUS status = BTM_SUCCESS;
-    BD_ADDR     p_addr_ptr =  {0};
-    tBLE_ADDR_TYPE   init_addr_type = BLE_ADDR_PUBLIC;
-    tBLE_ADDR_TYPE   own_addr_type = p_addr_cb->own_addr_type;
-    UINT8            adv_mode = p_cb->adv_mode;
-
-    BTM_TRACE_EVENT ("BTM_BleSetAdvParams");
-
-    if (!controller_get_interface()->supports_ble()) {
-        return BTM_ILLEGAL_VALUE;
-    }
-
-    if (!BTM_BLE_ISVALID_PARAM(adv_int_min, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX) ||
-            !BTM_BLE_ISVALID_PARAM(adv_int_max, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX)) {
-        return BTM_ILLEGAL_VALUE;
-    }
-
-    p_cb->adv_interval_min = adv_int_min;
-    p_cb->adv_interval_max = adv_int_max;
-    p_cb->adv_chnl_map = chnl_map;
-
-    if (p_dir_bda) {
-        memcpy(&p_cb->direct_bda, p_dir_bda, sizeof(tBLE_BD_ADDR));
-    }
-
-    BTM_TRACE_EVENT ("update params for an active adv\n");
-
-    btm_ble_stop_adv();
-
-    p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type,
-                     &own_addr_type);
-
-    /* update adv params */
-    btsnd_hcic_ble_write_adv_params (p_cb->adv_interval_min,
-                                     p_cb->adv_interval_max,
-                                     p_cb->evt_type,
-                                     own_addr_type,
-                                     init_addr_type,
-                                     p_addr_ptr,
-                                     p_cb->adv_chnl_map,
-                                     p_cb->afp);
-
-    if (adv_mode == BTM_BLE_ADV_ENABLE) {
-        btm_ble_start_adv();
-    }
-
-    return status;
-}
-
-
+#if (BLE_42_ADV_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleSetAdvParamsAll
@@ -1599,6 +1586,7 @@ tBTM_STATUS BTM_BleStartAdv(void)
 
     return status;
 }
+#endif // #if (BLE_42_ADV_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleReadAdvParams
@@ -1632,6 +1620,7 @@ void BTM_BleReadAdvParams (UINT16 *adv_int_min, UINT16 *adv_int_max,
     }
 }
 
+#if (BLE_HOST_BLE_SCAN_PARAM_UNUSED == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleSetScanParams
@@ -1690,7 +1679,9 @@ void BTM_BleSetScanParams(tGATT_IF client_if, UINT32 scan_interval, UINT32 scan_
     }
 
 }
+#endif // #if (BLE_HOST_BLE_SCAN_PARAM_UNUSED == TRUE)
 
+#if (BLE_42_SCAN_EN == TRUE)
 tBTM_STATUS BTM_BleSetScanFilterParams(tGATT_IF client_if, UINT32 scan_interval, UINT32 scan_window,
                                 tBLE_SCAN_MODE scan_mode, UINT8 addr_type_own, UINT8 scan_duplicate_filter, tBTM_BLE_SFP scan_filter_policy,
                                 tBLE_SCAN_PARAM_SETUP_CBACK scan_setup_status_cback)
@@ -1746,8 +1737,9 @@ tBTM_STATUS BTM_BleSetScanFilterParams(tGATT_IF client_if, UINT32 scan_interval,
     osi_mutex_unlock(&scan_param_lock);
     return ret;
 }
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
-
+#if (BLE_42_ADV_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleWriteScanRsp
@@ -1822,6 +1814,7 @@ tBTM_STATUS BTM_BleWriteScanRspRaw(UINT8 *p_raw_scan_rsp, UINT32 raw_scan_rsp_le
 
     return ret;
 }
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -1888,6 +1881,7 @@ tBTM_STATUS BTM_UpdateBleDuplicateExceptionalList(uint8_t subcode, uint32_t type
     return status;
 }
 
+#if (BLE_42_ADV_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleWriteAdvData
@@ -1940,38 +1934,6 @@ tBTM_STATUS BTM_BleWriteAdvData(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p
 
 /*******************************************************************************
 **
-** Function         BTM_BleWriteLongAdvData
-**
-** Description      This function is called to write long advertising data.
-**
-** Parameters:      adv_data: long advertising data
-**                  adv_data_len: the length of long advertising data
-**
-** Returns          void
-**
-*******************************************************************************/
-tBTM_STATUS BTM_BleWriteLongAdvData(uint8_t *adv_data, uint8_t adv_data_len)
-{
-    tBTM_STATUS status = BTM_NO_RESOURCES;
-    if (!controller_get_interface()->supports_ble()) {
-        return BTM_ILLEGAL_VALUE;
-    }
-    if(!adv_data || adv_data_len <= 0 || adv_data_len > BTM_BLE_LONG_ADV_MAX_LEN) {
-        return BTM_ILLEGAL_VALUE;
-    }
-    uint8_t long_adv[BTM_BLE_LONG_ADV_MAX_LEN + 1] = {0};
-    long_adv[0] = adv_data_len;
-    memcpy(&long_adv[1], adv_data, adv_data_len);
-    status = BTM_VendorSpecificCommand(HCI_VENDOR_BLE_LONG_ADV_DATA, BTM_BLE_LONG_ADV_MAX_LEN + 1, long_adv, NULL);
-    if(status == BTM_CMD_STARTED) {
-        status = BTM_SUCCESS;
-    }
-
-    return status;
-}
-
-/*******************************************************************************
-**
 ** Function         BTM_BleWriteAdvDataRaw
 **
 ** Description      This function is called to write raw advertising data.
@@ -1995,7 +1957,7 @@ tBTM_STATUS BTM_BleWriteAdvDataRaw(UINT8 *p_raw_adv, UINT32 raw_adv_len)
 
     return ret;
 }
-
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -2082,6 +2044,7 @@ BOOLEAN BTM_BleGetCurrentAddress(BD_ADDR addr, uint8_t *addr_type)
     return TRUE;
 }
 
+#if ((BLE_42_SCAN_EN == TRUE) || (BLE_50_EXTEND_SCAN_EN == TRUE))
 /*******************************************************************************
 **
 ** Function         BTM_CheckAdvData
@@ -2095,7 +2058,7 @@ BOOLEAN BTM_BleGetCurrentAddress(BD_ADDR addr, uint8_t *addr_type)
 ** Returns          pointer of ADV data
 **
 *******************************************************************************/
-UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length)
+UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT16 adv_data_len, UINT8 type, UINT8 *p_length)
 {
     UINT8 *p = p_adv;
     UINT8 length;
@@ -2104,7 +2067,7 @@ UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length)
 
     STREAM_TO_UINT8(length, p);
 
-    while ( length && (p - p_adv < BTM_BLE_CACHE_ADV_DATA_MAX)) {
+    while ( length && (p - p_adv < adv_data_len)) {
         STREAM_TO_UINT8(adv_type, p);
 
         if ( adv_type == type ) {
@@ -2117,7 +2080,7 @@ UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length)
 
         /* Break loop if advertising data is in an incorrect format,
            as it may lead to memory overflow */
-        if (p >= p_adv + BTM_BLE_CACHE_ADV_DATA_MAX) {
+        if (p >= p_adv + adv_data_len) {
             break;
         }
 
@@ -2127,7 +2090,7 @@ UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length)
     *p_length = 0;
     return NULL;
 }
-
+#endif // #if ((BLE_42_SCAN_EN == TRUE) || (BLE_50_EXTEND_SCAN_EN == TRUE))
 /*******************************************************************************
 **
 ** Function         BTM__BLEReadDiscoverability
@@ -2165,16 +2128,20 @@ UINT16 BTM_BleReadConnectability(void)
 
 void BTM_Recovery_Pre_State(void)
 {
+#if ((BLE_42_ADV_EN == TRUE) || (BLE_42_SCAN_EN == TRUE))
     tBTM_BLE_INQ_CB *ble_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
-
+#endif // #if ((BLE_42_ADV_EN == TRUE) || (BLE_42_SCAN_EN == TRUE))
+#if (BLE_42_ADV_EN == TRUE)
     if (ble_inq_cb->state & BTM_BLE_ADVERTISING) {
         btm_ble_stop_adv();
         btm_ble_start_adv();
     }
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     if (ble_inq_cb->state & BTM_BLE_SCANNING) {
         btm_ble_start_scan();
     }
-
+#endif // #if (BLE_42_SCAN_EN == TRUE)
     return;
 }
 
@@ -2205,6 +2172,26 @@ BOOLEAN BTM_GetCurrentConnParams(BD_ADDR bda, uint16_t *interval, uint16_t *late
 
 /*******************************************************************************
 **
+** Function         btm_ble_map_adv_tx_power
+**
+** Description      return the actual power in dBm based on the mapping in config file
+**
+** Parameters       advertise parameters used for this instance.
+**
+** Returns          tx power in dBm
+**
+*******************************************************************************/
+static const int btm_ble_tx_power[BTM_BLE_ADV_TX_POWER_MAX + 1] = BTM_BLE_ADV_TX_POWER;
+char btm_ble_map_adv_tx_power(int tx_power_index)
+{
+    if (0 <= tx_power_index && tx_power_index <= BTM_BLE_ADV_TX_POWER_MAX) {
+        return (char)btm_ble_tx_power[tx_power_index];
+    }
+    return 0;
+}
+
+/*******************************************************************************
+**
 ** Function         btm_ble_build_adv_data
 **
 ** Description      This function is called build the adv data and rsp data.
@@ -2564,6 +2551,7 @@ void btm_ble_set_adv_flag(UINT16 connect_mode, UINT16 disc_mode)
         btm_ble_update_adv_flag(flag);
     }
 }
+#if 0
 /*******************************************************************************
 **
 ** Function         btm_ble_set_discoverability
@@ -2615,7 +2603,9 @@ tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode)
 
         if (evt_type != p_cb->evt_type || p_cb->adv_addr_type != own_addr_type
                 || !p_cb->fast_adv_on) {
+#if (BLE_42_ADV_EN == TRUE)
             btm_ble_stop_adv();
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
             /* update adv params */
             if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
@@ -2635,11 +2625,13 @@ tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode)
     }
 
     if (status == BTM_SUCCESS && p_cb->adv_mode != new_mode) {
+#if (BLE_42_ADV_EN == TRUE)
         if (new_mode == BTM_BLE_ADV_ENABLE) {
             status = btm_ble_start_adv();
         } else {
             status = btm_ble_stop_adv();
         }
+#endif // #if (BLE_42_ADV_EN == TRUE)
     }
 
     if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE) {
@@ -2662,7 +2654,7 @@ tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode)
     }
     return status;
 }
-
+#endif
 /*******************************************************************************
 **
 ** Function         btm_ble_set_connectability
@@ -2710,7 +2702,9 @@ tBTM_STATUS btm_ble_set_connectability(UINT16 combined_mode)
         btm_ble_set_adv_flag (combined_mode, btm_cb.btm_inq_vars.discoverable_mode);
         if (p_cb->evt_type != evt_type || p_cb->adv_addr_type != p_addr_cb->own_addr_type
                 || !p_cb->fast_adv_on) {
+#if (BLE_42_ADV_EN == TRUE)
             btm_ble_stop_adv();
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
             if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
                                                   adv_int_max,
@@ -2730,11 +2724,13 @@ tBTM_STATUS btm_ble_set_connectability(UINT16 combined_mode)
 
     /* update advertising mode */
     if (status == BTM_SUCCESS && new_mode != p_cb->adv_mode) {
+#if (BLE_42_ADV_EN == TRUE)
         if (new_mode == BTM_BLE_ADV_ENABLE) {
             status = btm_ble_start_adv();
         } else {
             status = btm_ble_stop_adv();
         }
+#endif // #if (BLE_42_ADV_EN == TRUE)
     }
 
     if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE) {
@@ -2795,7 +2791,9 @@ tBTM_STATUS btm_ble_start_inquiry (UINT8 mode, UINT8   duration)
         /* enable IRK list */
         //btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN);
 #endif
+#if (BLE_42_SCAN_EN == TRUE)
         status = btm_ble_start_scan();
+#endif // #if (BLE_42_SCAN_EN == TRUE)
     } else if ((p_ble_cb->inq_var.scan_interval != BTM_BLE_LOW_LATENCY_SCAN_INT) ||
                (p_ble_cb->inq_var.scan_window != BTM_BLE_LOW_LATENCY_SCAN_WIN)) {
         BTM_TRACE_DEBUG("%s, restart LE scan with low latency scan params", __FUNCTION__);
@@ -3170,7 +3168,7 @@ UINT8 btm_ble_is_discoverable(BD_ADDR bda, UINT8 evt_type, UINT8 *p)
     }
 
     if (p_le_inq_cb->adv_len != 0) {
-        if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
+        if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, p_le_inq_cb->adv_len,
                                        BTM_BLE_AD_TYPE_FLAG, &data_len)) != NULL) {
             flag = * p_flag;
 
@@ -3386,7 +3384,7 @@ BOOLEAN btm_ble_update_inq_result(BD_ADDR bda, tINQ_DB_ENT *p_i, UINT8 addr_type
     p_i->inq_count = p_inq->inq_counter;   /* Mark entry for current inquiry */
 
     if (p_le_inq_cb->adv_len != 0) {
-        if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_FLAG, &len)) != NULL) {
+        if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, p_le_inq_cb->adv_len, BTM_BLE_AD_TYPE_FLAG, &len)) != NULL) {
             p_cur->flag = * p_flag;
         }
     }
@@ -3396,11 +3394,11 @@ BOOLEAN btm_ble_update_inq_result(BD_ADDR bda, tINQ_DB_ENT *p_i, UINT8 addr_type
          * then try to convert the appearance value to a class of device value Bluedroid can use.
          * Otherwise fall back to trying to infer if it is a HID device based on the service class.
          */
-        p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_APPEARANCE, &len);
+        p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, p_le_inq_cb->adv_len, BTM_BLE_AD_TYPE_APPEARANCE, &len);
         if (p_uuid16 && len == 2) {
             btm_ble_appearance_to_cod((UINT16)p_uuid16[0] | (p_uuid16[1] << 8), p_cur->dev_class);
         } else {
-            if ((p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
+            if ((p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, p_le_inq_cb->adv_len,
                                              BTM_BLE_AD_TYPE_16SRV_CMPL, &len)) != NULL) {
                 UINT8 i;
                 for (i = 0; i + 2 <= len; i = i + 2) {
@@ -3487,10 +3485,10 @@ void btm_send_sel_conn_callback(BD_ADDR remote_bda, UINT8 evt_type, UINT8 *p_dat
 
     /* get the device name if exist in ADV data */
     if (data_len != 0) {
-        p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_CMPL, &len);
+        p_dev_name = BTM_CheckAdvData(p_data, data_len, BTM_BLE_AD_TYPE_NAME_CMPL, &len);
 
         if (p_dev_name == NULL) {
-            p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_SHORT, &len);
+            p_dev_name = BTM_CheckAdvData(p_data, data_len, BTM_BLE_AD_TYPE_NAME_SHORT, &len);
         }
 
         if (p_dev_name) {
@@ -3504,6 +3502,7 @@ void btm_send_sel_conn_callback(BD_ADDR remote_bda, UINT8 evt_type, UINT8 *p_dat
     }
 }
 
+#if (BLE_42_SCAN_EN == TRUE)
 static void btm_adv_pkt_handler(void *arg)
 {
     UINT8   hci_evt_code, hci_evt_len;
@@ -3546,6 +3545,7 @@ static void btm_adv_pkt_handler(void *arg)
     UNUSED(hci_evt_code);
     UNUSED(hci_evt_len);
 }
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -3832,6 +3832,7 @@ static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt
 
 void btm_ble_process_adv_discard_evt(UINT8 *p)
 {
+#if (BLE_42_SCAN_EN == TRUE)
 #if (BLE_ADV_REPORT_FLOW_CONTROL == TRUE)
     uint32_t num_dis = 0;
     STREAM_TO_UINT32 (num_dis, p);
@@ -3840,6 +3841,7 @@ void btm_ble_process_adv_discard_evt(UINT8 *p)
         (p_obs_discard_cb)(num_dis);
     }
 #endif
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 }
 
 void btm_ble_process_direct_adv_pkt(UINT8 *p)
@@ -3847,6 +3849,7 @@ void btm_ble_process_direct_adv_pkt(UINT8 *p)
     // TODO
 }
 
+#if (BLE_42_SCAN_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         btm_ble_start_scan
@@ -3884,6 +3887,7 @@ tBTM_STATUS btm_ble_start_scan(void)
     osi_mutex_unlock(&scan_enable_lock);
     return status;
 }
+#endif  // #if (BLE_42_SCAN_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -3933,8 +3937,10 @@ void btm_ble_stop_inquiry(void)
     } else if ((p_ble_cb->inq_var.scan_interval != BTM_BLE_LOW_LATENCY_SCAN_INT) ||
                (p_ble_cb->inq_var.scan_window != BTM_BLE_LOW_LATENCY_SCAN_WIN)) {
         BTM_TRACE_DEBUG("%s: setting default params for ongoing observe", __FUNCTION__);
+#if (BLE_42_SCAN_EN == TRUE)
         btm_ble_stop_scan();
         btm_ble_start_scan();
+#endif // #if (BLE_42_SCAN_EN == TRUE)
     }
 
     /* If we have a callback registered for inquiry complete, call it */
@@ -3985,6 +3991,7 @@ static void btm_ble_stop_observe(void)
 *******************************************************************************/
 static void btm_ble_stop_discover(void)
 {
+#if (BLE_42_SCAN_EN == TRUE)
     tBTM_BLE_CB *p_ble_cb = & btm_cb.ble_ctr_cb;
     tBTM_CMPL_CB *p_scan_cb = p_ble_cb->p_scan_cmpl_cb;
     btu_stop_timer (&p_ble_cb->scan_timer_ent);
@@ -3997,18 +4004,21 @@ static void btm_ble_stop_discover(void)
 
     if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) {
         /* Clear the inquiry callback if set */
-        btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
         btm_cb.ble_ctr_cb.inq_var.state &= ~BTM_BLE_SCANNING;
         /* stop discovery now */
         if(btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE)) {
             osi_sem_take(&scan_enable_sem, OSI_SEM_MAX_TIMEOUT);
         }
+        /* reset status */
+        btm_ble_clear_topology_mask(BTM_BLE_STATE_ACTIVE_SCAN_BIT);
+        btm_ble_clear_topology_mask(BTM_BLE_STATE_PASSIVE_SCAN_BIT);
     }
 
     if (p_scan_cb) {
         (p_scan_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info);
     }
     osi_mutex_unlock(&scan_enable_lock);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 }
 
 /*******************************************************************************
@@ -4021,6 +4031,7 @@ static void btm_ble_stop_discover(void)
 **
 *******************************************************************************/
 typedef BOOLEAN (BTM_TOPOLOGY_FUNC_PTR)(tBTM_BLE_STATE_MASK);
+#if (BLE_42_ADV_EN == TRUE)
 static BOOLEAN btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR *p_handler, UINT8 adv_evt)
 {
     BOOLEAN rt = FALSE;
@@ -4053,7 +4064,6 @@ static BOOLEAN btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR *p_handler, UI
     return rt;
 }
 
-
 /*******************************************************************************
 **
 ** Function         btm_ble_start_adv
@@ -4165,14 +4175,19 @@ tBTM_STATUS btm_ble_stop_adv(void)
     }
     return rt;
 }
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
 tBTM_STATUS btm_ble_set_random_addr(BD_ADDR random_bda)
 {
     tBTM_STATUS rt = BTM_SUCCESS;
-
+#if (BLE_42_ADV_EN == TRUE)
     osi_mutex_lock(&adv_enable_lock, OSI_MUTEX_MAX_TIMEOUT);
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     osi_mutex_lock(&scan_enable_lock, OSI_MUTEX_MAX_TIMEOUT);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
+#if (BLE_42_ADV_EN == TRUE)
     if (btm_cb.ble_ctr_cb.inq_var.adv_mode == BTM_BLE_ADV_ENABLE) {
         if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_DISABLE)) {
             osi_sem_take(&adv_enable_sem, OSI_SEM_MAX_TIMEOUT);
@@ -4181,7 +4196,9 @@ tBTM_STATUS btm_ble_set_random_addr(BD_ADDR random_bda)
             rt = BTM_BAD_VALUE_RET;
         }
     }
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
+#if (BLE_42_SCAN_EN == TRUE)
     if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
         if (btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_SCAN_DUPLICATE_DISABLE)) {
             osi_sem_take(&scan_enable_sem, OSI_SEM_MAX_TIMEOUT);
@@ -4190,11 +4207,13 @@ tBTM_STATUS btm_ble_set_random_addr(BD_ADDR random_bda)
             rt = BTM_BAD_VALUE_RET;
         }
     }
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
     if (rt == BTM_SUCCESS) {
         btsnd_hcic_ble_set_random_addr(random_bda);
     }
 
+#if (BLE_42_ADV_EN == TRUE)
     if (btm_cb.ble_ctr_cb.inq_var.adv_mode == BTM_BLE_ADV_ENABLE) {
         if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_ENABLE)) {
             osi_sem_take(&adv_enable_sem, OSI_SEM_MAX_TIMEOUT);
@@ -4203,7 +4222,9 @@ tBTM_STATUS btm_ble_set_random_addr(BD_ADDR random_bda)
             rt = BTM_BAD_VALUE_RET;
         }
     }
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
+#if (BLE_42_SCAN_EN == TRUE)
     if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
         if (btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_ENABLE, btm_cb.ble_ctr_cb.inq_var.scan_duplicate_filter)) {
             osi_sem_take(&scan_enable_sem, OSI_SEM_MAX_TIMEOUT);
@@ -4212,9 +4233,14 @@ tBTM_STATUS btm_ble_set_random_addr(BD_ADDR random_bda)
             rt = BTM_BAD_VALUE_RET;
         }
     }
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
+#if (BLE_42_ADV_EN == TRUE)
     osi_mutex_unlock(&adv_enable_lock);
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     osi_mutex_unlock(&scan_enable_lock);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 
     return rt;
 }
@@ -4231,6 +4257,7 @@ tBTM_STATUS btm_ble_set_random_addr(BD_ADDR random_bda)
 *******************************************************************************/
 static void btm_ble_start_slow_adv (void)
 {
+#if (BLE_42_ADV_EN == TRUE)
     tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
 
     if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE) {
@@ -4249,9 +4276,9 @@ static void btm_ble_start_slow_adv (void)
                                          p_cb->evt_type, own_addr_type,
                                          init_addr_type, p_addr_ptr,
                                          p_cb->adv_chnl_map, p_cb->afp);
-
         btm_ble_start_adv();
     }
+#endif // #if (BLE_42_ADV_EN == TRUE)
 }
 /*******************************************************************************
 **
@@ -4291,9 +4318,11 @@ void btm_ble_timeout(TIMER_LIST_ENT *p_tle)
                 btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low);
 #endif
             } else {
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
                 if (BTM_BleMaxMultiAdvInstanceCount() > 0) {
                     btm_ble_multi_adv_configure_rpa((tBTM_BLE_MULTI_ADV_INST *)p_tle->param);
                 }
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
             }
         }
         break;
@@ -4515,12 +4544,36 @@ BOOLEAN btm_ble_update_mode_operation(UINT8 link_role, BD_ADDR bd_addr, UINT8 st
        now in order */
     if (btm_ble_get_conn_st() == BLE_CONN_IDLE && status != HCI_ERR_HOST_REJECT_RESOURCES &&
             !btm_send_pending_direct_conn()) {
+#if (tGATT_BG_CONN_DEV == TRUE)
         bg_con = btm_ble_resume_bg_conn();
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     }
 
     return bg_con;
 }
 
+#if (BLE_VENDOR_HCI_EN == TRUE)
+static void btm_ble_vs_evt_callback(UINT8 len, UINT8 *p)
+{
+    UINT8 sub_event;
+
+    if (!len || !p) {
+        return;
+    }
+
+    STREAM_TO_UINT8(sub_event, p);
+    len--;
+
+    if (sub_event < HCI_VSE_LE_SUBEVT_BASE) {
+        return;
+    }
+
+    if (ble_vs_evt_callback) {
+        ble_vs_evt_callback(sub_event, len, p);
+    }
+}
+#endif // #if (BLE_VENDOR_HCI_EN == TRUE)
+
 /*******************************************************************************
 **
 ** Function         btm_ble_init
@@ -4566,17 +4619,22 @@ void btm_ble_init (void)
     p_cb->scan_int = p_cb->scan_win = BTM_BLE_SCAN_PARAM_UNDEF;
 
     p_cb->inq_var.evt_type = BTM_BLE_NON_CONNECT_EVT;
-
+#if (BLE_42_SCAN_EN == TRUE)
     p_cb->adv_rpt_queue = pkt_queue_create();
     assert(p_cb->adv_rpt_queue != NULL);
 
     p_cb->adv_rpt_ready = osi_event_create(btm_adv_pkt_handler, NULL);
     assert(p_cb->adv_rpt_ready != NULL);
     osi_event_bind(p_cb->adv_rpt_ready, btu_get_current_thread(), 0);
-
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 #if BLE_VND_INCLUDED == FALSE
+#if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE
     btm_ble_adv_filter_init();
+#endif // #if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE
 #endif
+#if (BLE_VENDOR_HCI_EN == TRUE)
+    BTM_RegisterForVSEvents(btm_ble_vs_evt_callback, TRUE);
+#endif // #if (BLE_VENDOR_HCI_EN == TRUE)
 }
 
 /*******************************************************************************
@@ -4595,19 +4653,25 @@ void btm_ble_free (void)
     BTM_TRACE_DEBUG("%s", __func__);
 
     fixed_queue_free(p_cb->conn_pending_q, osi_free_func);
-
+#if (BLE_42_SCAN_EN == TRUE)
     pkt_queue_destroy(p_cb->adv_rpt_queue, NULL);
     p_cb->adv_rpt_queue = NULL;
 
     osi_event_delete(p_cb->adv_rpt_ready);
     p_cb->adv_rpt_ready = NULL;
-
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 #if BTM_DYNAMIC_MEMORY == TRUE
     osi_free(cmn_ble_gap_vsc_cb_ptr);
     cmn_ble_gap_vsc_cb_ptr = NULL;
 #endif
 }
 
+static bool enable_topology_check_flag = true;
+void esp_qa_enable_topology_check(bool enable)
+{
+    // This is a workaround: If the topology check is disabled, the 'Supported States' will not be checked.
+    enable_topology_check_flag = enable;
+}
 /*******************************************************************************
 **
 ** Function         btm_ble_topology_check
@@ -4620,6 +4684,7 @@ void btm_ble_free (void)
 *******************************************************************************/
 BOOLEAN btm_ble_topology_check(tBTM_BLE_STATE_MASK request_state_mask)
 {
+    if(!enable_topology_check_flag) return TRUE;
     BOOLEAN rt = FALSE;
 
     UINT8   state_offset = 0;
@@ -4696,6 +4761,7 @@ BOOLEAN BTM_Ble_Authorization(BD_ADDR bd_addr, BOOLEAN authorize)
     return FALSE;
 }
 
+#if (BLE_VENDOR_HCI_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleClearAdv
@@ -4717,6 +4783,30 @@ BOOLEAN BTM_BleClearAdv(tBTM_CLEAR_ADV_CMPL_CBACK *p_clear_adv_cback)
     p_cb->inq_var.p_clear_adv_cb = p_clear_adv_cback;
     return TRUE;
 }
+
+BOOLEAN BTM_BleSetCsaSupport(UINT8 csa_select, tBTM_SET_CSA_SUPPORT_CMPL_CBACK *p_callback)
+{
+    if (btsnd_hcic_ble_set_csa_support(csa_select) != TRUE) {
+        BTM_TRACE_ERROR("LE SetCsaSupport csa_select=%d: error", csa_select);
+        return FALSE;
+    }
+
+    btm_cb.ble_ctr_cb.set_csa_support_cmpl_cb = p_callback;
+    return TRUE;
+}
+
+BOOLEAN BTM_BleSetVendorEventMask(UINT32 evt_mask, tBTM_SET_VENDOR_EVT_MASK_CBACK *p_callback)
+{
+    if (btsnd_hcic_ble_set_vendor_evt_mask(evt_mask) != TRUE) {
+        BTM_TRACE_ERROR("LE SetVendorEventMask evt_mask=%x: error", evt_mask);
+        return FALSE;
+    }
+
+    btm_cb.ble_ctr_cb.set_vendor_evt_mask_cmpl_cb = p_callback;
+    return TRUE;
+}
+#endif // #if (BLE_VENDOR_HCI_EN == TRUE)
+
 BOOLEAN BTM_BleSetRpaTimeout(uint16_t rpa_timeout,tBTM_SET_RPA_TIMEOUT_CMPL_CBACK *p_set_rpa_timeout_cback)
 {
     if ((btsnd_hcic_ble_set_rand_priv_addr_timeout(rpa_timeout)) != TRUE) {
@@ -4752,6 +4842,7 @@ BOOLEAN BTM_BleSetPrivacyMode(UINT8 addr_type, BD_ADDR bd_addr, UINT8 privacy_mo
     return TRUE;
 }
 
+#if (BLE_42_SCAN_EN == TRUE)
 bool btm_ble_adv_pkt_ready(void)
 {
     tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
@@ -4770,4 +4861,6 @@ bool btm_ble_adv_pkt_post(pkt_linked_item_t *pkt)
     pkt_queue_enqueue(p_cb->adv_rpt_queue, pkt);
     return true;
 }
+#endif // #if (BLE_42_SCAN_EN == TRUE)
+
 #endif  /* BLE_INCLUDED */
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_iso.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_iso.c
new file mode 100644
index 00000000..c66f10b9
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_iso.c
@@ -0,0 +1,525 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "btm_int.h"
+#include "stack/hcimsgs.h"
+#include "osi/allocator.h"
+#include "device/controller.h"
+#include <string.h>
+#include "l2c_int.h"
+
+tBTM_BLE_ISO_CBACK ble_iso_cb;
+
+extern void btm_ble_inter_set(bool extble_inter);
+
+void BTM_BleIsoRegisterCallback(tBTM_BLE_ISO_CBACK cb)
+{
+    if (cb) {
+        ble_iso_cb = cb;
+    } else {
+        BTM_TRACE_ERROR("%s, register fail, the cb function is NULL.", __func__);
+    }
+}
+
+void BTM_IsoBleCallbackTrigger(tBTM_BLE_5_GAP_EVENT event, tBTM_BLE_ISO_CB_PARAMS *params)
+{
+    if(params && params->status == BTM_SUCCESS) {
+        btm_ble_inter_set(true);
+    }
+    if (ble_iso_cb) {
+        ble_iso_cb(event, params);
+    }
+}
+
+void btm_ble_iso_read_iso_tx_sync_complete(UINT8 *p)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    STREAM_TO_UINT8(cb_params.btm_read_tx_sync.status, p);
+    STREAM_TO_UINT16(cb_params.btm_read_tx_sync.conn_hdl, p);
+    STREAM_TO_UINT16(cb_params.btm_read_tx_sync.pkt_seq_num, p);
+    STREAM_TO_UINT32(cb_params.btm_read_tx_sync.tx_time_stamp, p);
+    STREAM_TO_UINT24(cb_params.btm_read_tx_sync.time_offset, p);
+
+    if (cb_params.btm_read_tx_sync.status != HCI_SUCCESS) {
+        cb_params.btm_read_tx_sync.status = (BTM_HCI_ERROR | cb_params.btm_read_tx_sync.status);
+    }
+    cb_params.btm_read_tx_sync.conn_hdl = (cb_params.btm_read_tx_sync.conn_hdl & 0xEFF);
+    cb_params.btm_read_tx_sync.time_offset = (cb_params.btm_read_tx_sync.time_offset & 0xFFFFFF);
+    BTM_TRACE_DEBUG("read tx sync cmpl, status 0x%x conn_hdl 0x%x pkt_seq_num %d tx_time_stamp %ld time_offset %ld\n",
+                    cb_params.btm_read_tx_sync.status, cb_params.btm_read_tx_sync.conn_hdl, cb_params.btm_read_tx_sync.pkt_seq_num,
+                    cb_params.btm_read_tx_sync.tx_time_stamp, cb_params.btm_read_tx_sync.time_offset);
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_READ_TX_SYNC_EVT, &cb_params);
+}
+
+void btm_ble_iso_read_iso_link_quality_complete(UINT8 *p)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    STREAM_TO_UINT8(cb_params.btm_read_link_quality.status, p);
+    STREAM_TO_UINT16(cb_params.btm_read_link_quality.conn_hdl, p);
+    STREAM_TO_UINT32(cb_params.btm_read_link_quality.tx_unacked_pkts, p);
+    STREAM_TO_UINT32(cb_params.btm_read_link_quality.tx_flushed_pkts, p);
+    STREAM_TO_UINT32(cb_params.btm_read_link_quality.tx_last_subevt_pkts, p);
+    STREAM_TO_UINT32(cb_params.btm_read_link_quality.retransmitted_pkts, p);
+    STREAM_TO_UINT32(cb_params.btm_read_link_quality.crc_error_pkts, p);
+    STREAM_TO_UINT32(cb_params.btm_read_link_quality.rx_unreceived_pkts, p);
+    STREAM_TO_UINT32(cb_params.btm_read_link_quality.duplicate_pkts, p);
+
+    if (cb_params.btm_read_link_quality.status != HCI_SUCCESS) {
+        cb_params.btm_read_link_quality.status = (BTM_HCI_ERROR | cb_params.btm_read_link_quality.status);
+    }
+
+    BTM_TRACE_DEBUG("read link quality cmpl, status 0x%x conn_hdl 0x%x tx_unacked_pkts %d tx_flushed_pkts %ld tx_last_subevt_pkts %ld retransmitted_pkts %d\
+                    crc_error_pkts %d rx_unreceived_pkts %d duplicate_pkts %d\n",
+                    cb_params.btm_read_link_quality.status, cb_params.btm_read_link_quality.conn_hdl, cb_params.btm_read_link_quality.tx_unacked_pkts,
+                    cb_params.btm_read_link_quality.tx_flushed_pkts, cb_params.btm_read_link_quality.tx_last_subevt_pkts, cb_params.btm_read_link_quality.retransmitted_pkts,
+                    cb_params.btm_read_link_quality.crc_error_pkts, cb_params.btm_read_link_quality.rx_unreceived_pkts, cb_params.btm_read_link_quality.duplicate_pkts);
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_READ_LINK_QUALITY_EVT, &cb_params);
+}
+
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+void btm_ble_iso_set_cig_params_complete(UINT8 *p)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+
+    STREAM_TO_UINT8(cb_params.btm_set_cig_params.status, p);
+    STREAM_TO_UINT8(cb_params.btm_set_cig_params.cig_id, p);
+    STREAM_TO_UINT8(cb_params.btm_set_cig_params.cis_count, p);
+    for (uint8_t i = 0; i < cb_params.btm_set_cig_params.cis_count; i++)
+    {
+        STREAM_TO_UINT16(cb_params.btm_set_cig_params.conn_hdl[i], p);
+        BTM_TRACE_DEBUG("i = %d, conn_hdl = %d", i, cb_params.btm_set_cig_params.conn_hdl[i]);
+    }
+
+    if (cb_params.btm_set_cig_params.status != HCI_SUCCESS) {
+        cb_params.btm_set_cig_params.status = (BTM_HCI_ERROR | cb_params.btm_set_cig_params.status);
+    }
+
+    BTM_TRACE_DEBUG("set cig params, status 0x%x cig_id %d cis_count %d\n",
+                    cb_params.btm_set_cig_params.status, cb_params.btm_set_cig_params.cig_id, cb_params.btm_set_cig_params.cis_count);
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_SET_CIG_PARAMS_EVT, &cb_params);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+void btm_ble_cis_disconnected_evt(tBTM_BLE_CIS_DISCON_CMPL *params)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+    cb_params.btm_cis_disconnectd_evt.cis_handle = params->cis_handle;
+    cb_params.btm_cis_disconnectd_evt.reason = params->reason;
+
+    BTM_TRACE_DEBUG("btm cis disconnect, cis_handle %d reason 0x%x\n", params->cis_handle, params->reason);
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_CIS_DISCONNECTED_EVT, &cb_params);
+}
+
+void btm_ble_cis_established_evt(tBTM_BLE_CIS_ESTABLISHED_CMPL *params)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    if (params->status != HCI_SUCCESS) {
+        params->status = (params->status | BTM_HCI_ERROR);
+    }
+
+    memcpy(&cb_params.btm_cis_established_evt, params, sizeof(tBTM_BLE_CIS_ESTABLISHED_CMPL));
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_CIS_ESTABLISHED_EVT, &cb_params);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+void btm_ble_cis_request_evt(tBTM_BLE_CIS_REQUEST_CMPL *params)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+    memcpy(&cb_params.btm_cis_request_evt, params, sizeof(tBTM_BLE_CIS_REQUEST_CMPL));
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_CIS_REQUEST_EVT, &cb_params);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+void btm_ble_big_create_cmpl_evt(tBTM_BLE_BIG_CREATE_CMPL *params)
+{
+    BTM_TRACE_DEBUG("%s", __func__);
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    if (params->status != HCI_SUCCESS) {
+        params->status = (params->status | BTM_HCI_ERROR);
+    }
+
+    cb_params.btm_big_cmpl.status = params->status;
+    cb_params.btm_big_cmpl.big_handle = params->big_handle;
+    cb_params.btm_big_cmpl.big_sync_delay = params->big_sync_delay;
+    cb_params.btm_big_cmpl.transport_latency = params->transport_latency;
+    cb_params.btm_big_cmpl.phy = params->phy;
+    cb_params.btm_big_cmpl.nse = params->nse;
+    cb_params.btm_big_cmpl.bn = params->bn;
+    cb_params.btm_big_cmpl.pto = params->pto;
+    cb_params.btm_big_cmpl.irc = params->irc;
+    cb_params.btm_big_cmpl.max_pdu = params->max_pdu;
+    cb_params.btm_big_cmpl.iso_interval = params->iso_interval;
+    cb_params.btm_big_cmpl.num_bis = params->num_bis;
+    // for (uint8_t i = 0; i < params->num_bis; i++)
+    // {
+    //     cb_params.btm_big_cmpl.bis_handle[i] = params->bis_handle[i];
+    // }
+    memcpy(&cb_params.btm_big_cmpl.bis_handle[0], &params->bis_handle[0], params->num_bis * 2);
+
+    //memcpy(&cb_params.btm_big_cmpl, params, sizeof(tBTM_BLE_BIG_CREATE_CMPL));
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_BIG_CREATE_COMPLETE_EVT, &cb_params);
+}
+
+void btm_ble_big_terminate_cmpl_evt(tBTM_BLE_BIG_TERMINATE_CMPL *params)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+    memcpy(&cb_params.btm_big_term, params, sizeof(tBTM_BLE_BIG_TERMINATE_CMPL));
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_BIG_TERMINATE_COMPLETE_EVT, &cb_params);
+}
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+void btm_ble_big_sync_estab_evt(tBTM_BLE_BIG_SYNC_ESTAB_CMPL *params)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    if (params->status != HCI_SUCCESS) {
+        params->status = (params->status | BTM_HCI_ERROR);
+    }
+
+    memcpy(&cb_params.btm_big_sync_estab, params, sizeof(tBTM_BLE_BIG_SYNC_ESTAB_CMPL));
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_BIG_SYNC_ESTABLISHED_EVT, &cb_params);
+}
+
+void btm_ble_big_sync_terminate_complete(UINT8 hci_status, UINT8 big_handle)
+{
+    BTM_TRACE_DEBUG("%s hci_status 0x%x big_handle %d\n", __func__, hci_status, big_handle);
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+
+    if (hci_status != HCI_SUCCESS) {
+        hci_status = (hci_status | BTM_HCI_ERROR);
+    }
+
+    cb_params.status = hci_status;
+    cb_params.btm_big_sync_ter.big_hdl = big_handle;
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_BIG_SYNC_TERMINATE_COMPLETE_EVT, &cb_params);
+}
+
+void btm_ble_big_sync_lost_evt(tBTM_BLE_BIG_SYNC_LOST_EVT *params)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    memcpy(&cb_params.btm_big_sync_lost, params, sizeof(tBTM_BLE_BIG_SYNC_LOST_EVT));
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_BIG_SYNC_LOST_EVT, &cb_params);
+}
+
+void btm_ble_biginfo_adv_report_evt(tBTM_BLE_BIGINFO_ADV_REPORT_EVT *params)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (!params) {
+        BTM_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    memcpy(&cb_params.btm_biginfo_report, params, sizeof(tBTM_BLE_BIGINFO_ADV_REPORT_EVT));
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_BIGINFO_ADV_REPORT_EVT, &cb_params);
+}
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+
+void btm_ble_iso_data_path_update_complete(UINT16 opcode, UINT8 hci_status, UINT16 conn_handle)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    BTM_TRACE_DEBUG("data path update cmpl, opcode 0x%x status 0x%x conn_hdl %d\n", opcode, hci_status, conn_handle);
+    if (hci_status != HCI_SUCCESS) {
+        hci_status = (BTM_HCI_ERROR | hci_status);
+    }
+    cb_params.status = hci_status;
+    cb_params.btm_data_path_update.op_type = ((opcode == HCI_BLE_ISO_SET_DATA_PATH) ? BTM_BLE_ISO_DATA_PATH_SETUP : BTM_BLE_ISO_DATA_PATH_REMOVE);
+    cb_params.btm_data_path_update.conn_hdl = conn_handle;
+
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_DATA_PATH_UPFATE_EVT, &cb_params);
+}
+
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+tBTM_STATUS BTM_BleBigCreate(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                            uint32_t sdu_interval, uint16_t max_sdu, uint16_t max_transport_latency,
+                            uint8_t rtn, uint8_t phy, uint8_t packing, uint8_t framing,
+                            uint8_t encryption, uint8_t *broadcast_code)
+{
+    BTM_TRACE_API("big_handle %d adv_handle %d num_bis %d sdu_interval %d max_sdu %d max_transport_latency %d \
+    rtn %d phy %d packing %d framing %d encryption %d broadcast_code %d", big_handle, adv_handle, num_bis, sdu_interval, max_sdu, max_transport_latency,\
+    rtn, phy, packing, framing, encryption, broadcast_code);
+
+    btsnd_hcic_ble_big_create(big_handle, adv_handle, num_bis, sdu_interval, max_sdu, max_transport_latency,
+                              rtn, phy, packing, framing, encryption, broadcast_code);
+
+
+    return BTM_SUCCESS;
+}
+
+tBTM_STATUS BTM_BleBigCreateTest(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                                uint32_t sdu_interval, uint16_t iso_interval, uint8_t nse,
+                                uint16_t max_sdu, uint16_t max_pdu, uint8_t phy,
+                                uint8_t packing, uint8_t framing, uint8_t bn, uint8_t irc,
+                                uint8_t pto, uint8_t encryption, uint8_t *broadcast_code)
+{
+    btsnd_hcic_ble_big_create_test(big_handle, adv_handle, num_bis, sdu_interval, iso_interval, nse,
+                                    max_sdu, max_pdu, phy, packing, framing, bn, irc, pto, encryption,
+                                    broadcast_code);
+    return BTM_SUCCESS;
+}
+
+tBTM_STATUS BTM_BleBigTerminate(UINT8 big_handle, UINT8 reason)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_big_terminate(big_handle, reason)) != TRUE) {
+        BTM_TRACE_ERROR("LE PA SyncCancel, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    if (status != BTM_SUCCESS) {
+        cb_params.status = status;
+        BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_BIG_TERMINATE_COMPLETE_EVT, &cb_params);
+    }
+
+    return status;
+}
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+tBTM_STATUS BTM_BleBigSyncCreate(uint8_t big_handle, uint16_t sync_handle,
+                                uint8_t encryption, uint8_t *bc_code,
+                                uint8_t mse, uint16_t big_sync_timeout,
+                                uint8_t num_bis, uint8_t *bis)
+{
+    btsnd_hcic_ble_big_sync_create(big_handle, sync_handle, encryption, bc_code,
+                                    mse, big_sync_timeout, num_bis, bis);
+    return BTM_SUCCESS;
+}
+
+tBTM_STATUS BTM_BleBigSyncTerminate(uint8_t big_handle)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+
+    if ((err = btsnd_hcic_ble_big_sync_terminate(big_handle)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("LE big sync terminate, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    return status;
+}
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+
+tBTM_STATUS BTM_BleIsoSetDataPath(uint16_t conn_handle, uint8_t data_path_dir, uint8_t data_path_id, uint8_t coding_fmt,
+                                    uint16_t company_id, uint16_t vs_codec_id, uint32_t controller_delay, uint8_t codec_len,
+                                    uint8_t *codec_cfg)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+
+    if (codec_len && (codec_cfg == NULL)) {
+        tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+        status = BTM_ILLEGAL_VALUE;
+        cb_params.btm_data_path_update.op_type = BTM_BLE_ISO_DATA_PATH_SETUP;
+        cb_params.status = status;
+        cb_params.btm_data_path_update.conn_hdl = conn_handle;
+        BTM_TRACE_ERROR("codec_cfg is NULL, set data path error");
+        BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_DATA_PATH_UPFATE_EVT, &cb_params);
+        return status;
+    }
+
+    BTM_TRACE_DEBUG("BTM_BleIsoSetDataPath conn_handle %d data_path_dir %d\n", conn_handle, data_path_dir);
+
+    if ((err = btsnd_hcic_ble_iso_set_data_path(conn_handle, data_path_dir, data_path_id, coding_fmt, company_id, vs_codec_id,
+                                                controller_delay, codec_len, codec_cfg)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso data path update, cmd err=0x%x", err);
+        return BTM_HCI_ERROR | err;
+    }
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleIsoRemoveDataPath(uint16_t conn_handle, uint8_t data_path_dir)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+
+    BTM_TRACE_DEBUG("BTM_BleIsoRemoveDataPath conn_handle %d data_path_dir %d\n", conn_handle, data_path_dir);
+
+    if ((err = btsnd_hcic_ble_iso_remove_data_path(conn_handle, data_path_dir)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso data path remove, cmd err=0x%x", err);
+        return BTM_HCI_ERROR | err;
+    }
+
+    return BTM_SUCCESS;
+}
+
+tBTM_STATUS BTM_BleIsoReadTxSync(uint16_t iso_hdl)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+
+    BTM_TRACE_DEBUG("BTM_BleIsoReadTxSync iso_hdl %d\n", iso_hdl);
+
+    if ((err = btsnd_hcic_ble_iso_read_tx_sync(iso_hdl)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso read tx sync, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleIsoReadLinkQuality(uint16_t iso_hdl)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+
+    BTM_TRACE_DEBUG("BTM_BleIsoReadLinkQuality iso_hdl %d\n", iso_hdl);
+
+    if ((err = btsnd_hcic_ble_iso_read_iso_link_quality(iso_hdl)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso read link quality, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    return status;
+}
+
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+tBTM_STATUS BTM_BleSetCigParams(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t worse_case_SCA, uint8_t packing,
+                                uint8_t framing, uint16_t mtl_c_to_p, uint16_t mtl_p_to_c, uint8_t cis_cnt, uint8_t *cis_params)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+
+    if ((err = btsnd_hcic_ble_iso_set_cig_params(cig_id, sdu_int_c_to_p, sdu_int_p_to_c, worse_case_SCA, packing,
+                                            framing, mtl_c_to_p, mtl_p_to_c, cis_cnt, (struct ble_hci_le_cis_params *)cis_params)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso set cig params, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    return status;
+}
+
+tBTM_STATUS BTM_BleSetCigParamsTest(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t ft_c_to_p, uint8_t ft_p_to_c, uint16_t iso_interval,
+                                uint8_t worse_case_SCA, uint8_t packing, uint8_t framing, uint8_t cis_cnt, uint8_t *cis_params)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+
+    if ((err = btsnd_hcic_ble_iso_set_cig_params_test(cig_id, sdu_int_c_to_p, sdu_int_p_to_c,ft_c_to_p, ft_p_to_c, iso_interval,
+                                                        worse_case_SCA, packing, framing, cis_cnt, (struct ble_hci_le_cis_params_test *)cis_params)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso set cig params test, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    return status;
+}
+
+void btm_ble_create_cis_cmd_status(tBTM_BLE_ISO_CB_PARAMS *cb_params)
+{
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_CREATE_CIS_EVT, cb_params);
+}
+
+tBTM_STATUS BTM_BleCreateCis(uint8_t cis_count, uint8_t *cis_hdls)
+{
+    btsnd_hcic_ble_iso_create_cis(cis_count, (struct ble_hci_cis_hdls *)cis_hdls);
+
+    return BTM_SUCCESS;
+}
+
+tBTM_STATUS BTM_BleRemoveCig(uint8_t cig_id)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_iso_remove_cig(cig_id)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso remove cig, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.btm_remove_cig.status = status;
+    cb_params.btm_remove_cig.cig_id = cig_id;
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_REMOVE_CIG_EVT, &cb_params);
+
+    return status;
+}
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+void btm_ble_accept_cis_req_cmd_status(tBTM_BLE_ISO_CB_PARAMS *cb_params)
+{
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_ACCEPT_CIS_REQ_EVT, cb_params);
+}
+
+tBTM_STATUS BTM_BleAcceptCisReq(uint16_t cis_handle)
+{
+    btsnd_hcic_ble_iso_accept_cis_req(cis_handle);
+    return BTM_SUCCESS;
+}
+
+tBTM_STATUS BTM_BleRejectCisReq(uint16_t cis_handle, uint8_t reason)
+{
+    tHCI_STATUS err = HCI_SUCCESS;
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+
+    if ((err = btsnd_hcic_ble_iso_reject_cis_req(cis_handle, reason)) != HCI_SUCCESS) {
+        BTM_TRACE_ERROR("iso reject cis req, cmd err=0x%x", err);
+        status = BTM_HCI_ERROR | err;
+    }
+
+    cb_params.btm_reject_cis_req.status = status;
+    cb_params.btm_reject_cis_req.cis_handle = cis_handle;
+    BTM_IsoBleCallbackTrigger(BTM_BLE_ISO_REJECT_CIS_REQ_EVT, &cb_params);
+    return status;
+}
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+tBTM_STATUS BTM_BleDisconCis(uint16_t cis_handle, uint8_t reason)
+{
+    btsnd_hcic_disconnect(cis_handle, reason);
+
+    return BTM_SUCCESS;
+}
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_multi_adv.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_multi_adv.c
index bc300b02..31d60546 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_multi_adv.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_multi_adv.c
@@ -22,6 +22,8 @@
 #include "device/controller.h"
 
 #if (BLE_INCLUDED == TRUE)
+
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 #include "stack/bt_types.h"
 #include "stack/hcimsgs.h"
 #include "stack/btu.h"
@@ -218,25 +220,7 @@ tBTM_STATUS btm_ble_enable_multi_adv (BOOLEAN enable, UINT8 inst_id, UINT8 cb_ev
     }
     return rt;
 }
-/*******************************************************************************
-**
-** Function         btm_ble_map_adv_tx_power
-**
-** Description      return the actual power in dBm based on the mapping in config file
-**
-** Parameters       advertise parameters used for this instance.
-**
-** Returns          tx power in dBm
-**
-*******************************************************************************/
-static const int btm_ble_tx_power[BTM_BLE_ADV_TX_POWER_MAX + 1] = BTM_BLE_ADV_TX_POWER;
-char btm_ble_map_adv_tx_power(int tx_power_index)
-{
-    if (0 <= tx_power_index && tx_power_index <= BTM_BLE_ADV_TX_POWER_MAX) {
-        return (char)btm_ble_tx_power[tx_power_index];
-    }
-    return 0;
-}
+
 /*******************************************************************************
 **
 ** Function         btm_ble_multi_adv_set_params
@@ -882,4 +866,5 @@ void *btm_ble_multi_adv_get_ref(UINT8 inst_id)
 
     return NULL;
 }
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 #endif
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_ble_privacy.c b/lib/bt/host/bluedroid/stack/btm/btm_ble_privacy.c
index be4b9d15..28e06658 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_ble_privacy.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_ble_privacy.c
@@ -330,7 +330,7 @@ void btm_ble_remove_resolving_list_entry_complete(UINT8 *p, UINT16 evt_len)
     BTM_TRACE_DEBUG("%s status = %d", __func__, status);
 
     if (!btm_ble_deq_resolving_pending(pseudo_bda)) {
-        BTM_TRACE_ERROR("%s no pending resolving list operation", __func__);
+        BTM_TRACE_DEBUG("%s no pending resolving list operation", __func__);
         return;
     }
 
@@ -683,20 +683,22 @@ BOOLEAN btm_ble_suspend_resolving_list_activity(void)
 
     p_ble_cb->suspended_rl_state = BTM_BLE_RL_IDLE;
 
+#if (BLE_42_ADV_EN == TRUE)
     if (p_ble_cb->inq_var.adv_mode == BTM_BLE_ADV_ENABLE) {
         btm_ble_stop_adv();
         p_ble_cb->suspended_rl_state |= BTM_BLE_RL_ADV;
     }
+#endif // #if (BLE_42_ADV_EN == TRUE)
 
     if (BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) {
         btm_ble_stop_scan();
         p_ble_cb->suspended_rl_state |= BTM_BLE_RL_SCAN;
     }
-
+#if (tGATT_BG_CONN_DEV == TRUE)
     if (btm_ble_suspend_bg_conn()) {
         p_ble_cb->suspended_rl_state |= BTM_BLE_RL_INIT;
     }
-
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     return TRUE;
 }
 
@@ -714,19 +716,21 @@ BOOLEAN btm_ble_suspend_resolving_list_activity(void)
 void btm_ble_resume_resolving_list_activity(void)
 {
     tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb;
-
+#if (BLE_42_ADV_EN == TRUE)
     if (p_ble_cb->suspended_rl_state & BTM_BLE_RL_ADV) {
         btm_ble_start_adv();
     }
-
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
     if (p_ble_cb->suspended_rl_state & BTM_BLE_RL_SCAN) {
         btm_ble_start_scan();
     }
-
+#endif // #if (BLE_42_SCAN_EN == TRUE)
+#if (tGATT_BG_CONN_DEV == TRUE)
     if  (p_ble_cb->suspended_rl_state & BTM_BLE_RL_INIT) {
         btm_ble_resume_bg_conn();
     }
-
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     p_ble_cb->suspended_rl_state = BTM_BLE_RL_IDLE;
 }
 
@@ -1147,6 +1151,9 @@ void btm_ble_add_default_entry_to_resolving_list(void)
     BD_ADDR peer_addr = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
     BT_OCTET16 peer_irk = {0x0};
 
+    // Remove the existing entry in resolving list When resetting the device identity
+    btsnd_hcic_ble_rm_device_resolving_list(BLE_ADDR_PUBLIC, peer_addr);
+
     btsnd_hcic_ble_add_device_resolving_list (BLE_ADDR_PUBLIC, peer_addr, peer_irk, btm_cb.devcb.id_keys.irk);
 }
 #endif
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_dev.c b/lib/bt/host/bluedroid/stack/btm/btm_dev.c
index f9e3ed2b..f705a8dc 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_dev.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_dev.c
@@ -179,20 +179,33 @@ BOOLEAN BTM_SecAddDevice (BD_ADDR bd_addr, DEV_CLASS dev_class, BD_NAME bd_name,
 *******************************************************************************/
 BOOLEAN BTM_SecDeleteDevice (BD_ADDR bd_addr, tBT_TRANSPORT transport)
 {
-
     tBTM_SEC_DEV_REC *p_dev_rec;
 
     if (BTM_IsAclConnectionUp(bd_addr, transport)) {
         BTM_TRACE_WARNING("%s FAILED: Cannot Delete when connection is active\n", __func__);
         return FALSE;
     }
+
     if ((p_dev_rec = btm_find_dev(bd_addr)) != NULL) {
+#if (CLASSIC_BT_INCLUDED == TRUE)
         /* Tell controller to get rid of the link key, if it has one stored */
         BTM_DeleteStoredLinkKey (p_dev_rec->bd_addr, NULL);
+#endif // (CLASSIC_BT_INCLUDED == TRUE)
 
-	btm_sec_free_dev(p_dev_rec, transport);
+        btm_sec_free_dev(p_dev_rec, transport);
     }
 
+#if (BLE_SMP_ID_RESET_ENABLE == TRUE)
+    /*
+     * There are tracking risks associated with using a fixed or static IRK.
+     * A best-practices approach, when all pairing and bonding records are deleted,
+     * assign a new randomly-generated IRK.
+     */
+    if (list_is_empty(btm_cb.p_sec_dev_rec_list)) {
+        btm_ble_reset_id();
+    }
+#endif
+
     return TRUE;
 }
 
@@ -640,7 +653,7 @@ tBTM_SEC_DEV_REC *btm_find_oldest_dev (void)
     tBTM_SEC_DEV_REC *p_dev_rec = NULL;
     tBTM_SEC_DEV_REC *p_oldest  = NULL;
     list_node_t *p_node              = NULL;
-    UINT32 ot                   = 0xFFFFFFFF;
+    UINT32 old_ts                    = 0xFFFFFFFF;
 
     /* First look for the non-paired devices for the oldest entry */
     for (p_node = list_begin(btm_cb.p_sec_dev_rec_list); p_node; p_node = list_next(p_node)) {
@@ -650,13 +663,13 @@ tBTM_SEC_DEV_REC *btm_find_oldest_dev (void)
             continue;    /* Device is paired so skip it */
         }
 
-        if (p_dev_rec->timestamp < ot) {
+        if (p_dev_rec->timestamp < old_ts) {
             p_oldest = p_dev_rec;
-            ot       = p_dev_rec->timestamp;
+            old_ts   = p_dev_rec->timestamp;
         }
     }
 
-    if (ot != 0xFFFFFFFF) {
+    if (old_ts != 0xFFFFFFFF) {
         return (p_oldest);
     }
 
@@ -666,9 +679,9 @@ tBTM_SEC_DEV_REC *btm_find_oldest_dev (void)
             continue;
         }
 
-        if (p_dev_rec->timestamp < ot) {
+        if (p_dev_rec->timestamp < old_ts) {
             p_oldest = p_dev_rec;
-            ot       = p_dev_rec->timestamp;
+            old_ts   = p_dev_rec->timestamp;
         }
     }
     return (p_oldest);
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_devctl.c b/lib/bt/host/bluedroid/stack/btm/btm_devctl.c
index bab88739..2250c78b 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_devctl.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_devctl.c
@@ -82,7 +82,9 @@ void btm_dev_init (void)
     /* Initialize nonzero defaults */
 #if (BTM_MAX_LOC_BD_NAME_LEN > 0)
     memset(btm_cb.cfg.ble_bd_name, 0, sizeof(tBTM_LOC_BD_NAME));
+#if (CLASSIC_BT_INCLUDED == TRUE)
     memset(btm_cb.cfg.bredr_bd_name, 0, sizeof(tBTM_LOC_BD_NAME));
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #endif
 
     btm_cb.devcb.reset_timer.param  = (TIMER_PARAM_TYPE)TT_DEV_RESET;
@@ -169,8 +171,12 @@ static void reset_complete(void)
     btm_cb.ble_ctr_cb.conn_state = BLE_CONN_IDLE;
     btm_cb.ble_ctr_cb.bg_conn_type = BTM_BLE_CONN_NONE;
     btm_cb.ble_ctr_cb.p_select_cback = NULL;
+#if (tGATT_BG_CONN_DEV == TRUE)
     gatt_reset_bgdev_list();
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
     btm_ble_multi_adv_init();
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 #endif
 
     btm_pm_reset();
@@ -193,6 +199,9 @@ static void reset_complete(void)
 
     if (controller->supports_ble()) {
         btm_ble_white_list_init(controller->get_ble_white_list_size());
+        #if (BLE_50_EXTEND_SYNC_EN == TRUE)
+        btm_ble_periodic_adv_list_init(controller->get_ble_periodic_adv_list_size());
+        #endif //#if (BLE_50_EXTEND_SYNC_EN == TRUE)
         l2c_link_processs_ble_num_bufs(controller->get_acl_buffer_count_ble());
     }
 #endif
@@ -471,7 +480,7 @@ tBTM_STATUS BTM_SetLocalDeviceName (char *p_name, tBT_DEVICE_TYPE name_type)
             btm_cb.cfg.ble_bd_name[BTM_MAX_LOC_BD_NAME_LEN] = '\0';
         }
     }
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
     if (name_type & BT_DEVICE_TYPE_BREDR) {
         p = (UINT8 *)btm_cb.cfg.bredr_bd_name;
         if (p != (UINT8 *)p_name) {
@@ -479,6 +488,7 @@ tBTM_STATUS BTM_SetLocalDeviceName (char *p_name, tBT_DEVICE_TYPE name_type)
             btm_cb.cfg.bredr_bd_name[BTM_MAX_LOC_BD_NAME_LEN] = '\0';
         }
     }
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #else
     p = (UINT8 *)p_name;
 #endif
@@ -519,21 +529,22 @@ tBTM_STATUS BTM_ReadLocalDeviceName (char **p_name, tBT_DEVICE_TYPE name_type)
     */
 
 #if BTM_MAX_LOC_BD_NAME_LEN > 0
+#if (CLASSIC_BT_INCLUDED == TRUE)
     if ((name_type == BT_DEVICE_TYPE_DUMO) &&
         (BCM_STRNCMP_S(btm_cb.cfg.bredr_bd_name, btm_cb.cfg.ble_bd_name, BTM_MAX_LOC_BD_NAME_LEN) != 0)) {
         *p_name = NULL;
         BTM_TRACE_ERROR("Error, BLE and BREDR have different names, return NULL\n");
         return (BTM_NO_RESOURCES);
     }
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     if (name_type & BT_DEVICE_TYPE_BLE) {
         *p_name = btm_cb.cfg.ble_bd_name;
     }
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
     if (name_type & BT_DEVICE_TYPE_BREDR) {
         *p_name = btm_cb.cfg.bredr_bd_name;
     }
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     return (BTM_SUCCESS);
 #else
     *p_name = NULL;
@@ -752,9 +763,6 @@ void btm_vsc_complete (UINT8 *p, UINT16 opcode, UINT16 evt_len,
 #if (BLE_INCLUDED == TRUE)
     tBTM_BLE_CB *ble_cb = &btm_cb.ble_ctr_cb;
     switch(opcode) {
-        case HCI_VENDOR_BLE_LONG_ADV_DATA:
-            BTM_TRACE_EVENT("Set long adv data complete\n");
-            break;
         case HCI_VENDOR_BLE_UPDATE_DUPLICATE_EXCEPTIONAL_LIST: {
             uint8_t subcode, status; uint32_t length;
             STREAM_TO_UINT8(status, p);
@@ -773,6 +781,22 @@ void btm_vsc_complete (UINT8 *p, UINT16 opcode, UINT16 evt_len,
             }
             break;
         }
+        case HCI_VENDOR_BLE_SET_CSA_SUPPORT: {
+            uint8_t status;
+            STREAM_TO_UINT8(status, p);
+            if (ble_cb && ble_cb->set_csa_support_cmpl_cb) {
+                ble_cb->set_csa_support_cmpl_cb(status);
+            }
+            break;
+        }
+        case HCI_VENDOR_BLE_SET_EVT_MASK: {
+            uint8_t status;
+            STREAM_TO_UINT8(status, p);
+            if (ble_cb && ble_cb->set_vendor_evt_mask_cmpl_cb) {
+                ble_cb->set_vendor_evt_mask_cmpl_cb(status);
+            }
+            break;
+        }
         default:
             break;
     }
@@ -863,7 +887,7 @@ void btm_vendor_specific_evt (UINT8 *p, UINT8 evt_len)
 
     STREAM_TO_UINT8(sub_event, p_evt);
     /* Check in subevent if authentication is through Legacy Authentication. */
-    if (sub_event == ESP_VS_REM_LEGACY_AUTH_CMP) {
+    if (sub_event == HCI_VENDOR_LEGACY_REM_AUTH_EVT_SUBCODE) {
         UINT16 hci_handle;
         STREAM_TO_UINT16(hci_handle, p_evt);
         btm_sec_handle_remote_legacy_auth_cmp(hci_handle);
@@ -1066,6 +1090,7 @@ tBTM_STATUS BTM_WriteVoiceSettings(UINT16 settings)
     return (BTM_NO_RESOURCES);
 }
 
+#if (BLE_HOST_ENABLE_TEST_MODE_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_EnableTestMode
@@ -1122,7 +1147,9 @@ tBTM_STATUS BTM_EnableTestMode(void)
         return (BTM_NO_RESOURCES);
     }
 }
+#endif // #if (BLE_HOST_ENABLE_TEST_MODE_EN == TRUE)
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_DeleteStoredLinkKey
@@ -1197,6 +1224,7 @@ void btm_delete_stored_link_key_complete (UINT8 *p)
     }
 }
 
+#endif // (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btm_report_device_status
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_inq.c b/lib/bt/host/bluedroid/stack/btm/btm_inq.c
index b8da2327..528c7a06 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_inq.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_inq.c
@@ -163,7 +163,7 @@ tBTM_STATUS BTM_SetDiscoverability (UINT16 inq_mode, UINT16 window, UINT16 inter
     UINT8        scan_mode = 0;
     UINT16       service_class;
     UINT8       *p_cod;
-    UINT8        major, minor;
+    UINT8        major, minor, reserved_2;
     DEV_CLASS    cod;
     LAP          temp_lap[2];
     BOOLEAN      is_limited;
@@ -255,13 +255,14 @@ tBTM_STATUS BTM_SetDiscoverability (UINT16 inq_mode, UINT16 window, UINT16 inter
     if (is_limited ^ cod_limited) {
         BTM_COD_MINOR_CLASS(minor, p_cod );
         BTM_COD_MAJOR_CLASS(major, p_cod );
+        BTM_COD_RESERVED_2(reserved_2, p_cod);
         if (is_limited) {
             service_class |= BTM_COD_SERVICE_LMTD_DISCOVER;
         } else {
             service_class &= ~BTM_COD_SERVICE_LMTD_DISCOVER;
         }
 
-        FIELDS_TO_COD(cod, minor, major, service_class);
+        FIELDS_TO_COD(cod, reserved_2, minor, major, service_class);
         (void) BTM_SetDeviceClass (cod);
     }
 
@@ -515,7 +516,7 @@ tBTM_STATUS BTM_SetPeriodicInquiryMode (tBTM_INQ_PARMS *p_inqparms, UINT16 max_d
 
     /* Before beginning the inquiry the current filter must be cleared, so initiate the command */
     if ((status = btm_set_inq_event_filter (p_inqparms->filter_cond_type, &p_inqparms->filter_cond)) != BTM_CMD_STARTED) {
-        /* If set filter command is not succesful reset the state */
+        /* If set filter command is not successful reset the state */
         p_inq->p_inq_results_cb = NULL;
         p_inq->state = BTM_INQ_INACTIVE_STATE;
 
@@ -688,7 +689,7 @@ UINT16 BTM_ReadConnectability (UINT16 *p_window, UINT16 *p_interval)
 ** Description      This function returns a bit mask of the current inquiry state
 **
 ** Returns          BTM_INQUIRY_INACTIVE if inactive (0)
-**                  BTM_LIMITED_INQUIRY_ACTIVE if a limted inquiry is active
+**                  BTM_LIMITED_INQUIRY_ACTIVE if a limited inquiry is active
 **                  BTM_GENERAL_INQUIRY_ACTIVE if a general inquiry is active
 **                  BTM_PERIODIC_INQUIRY_ACTIVE if a periodic inquiry is active
 **
@@ -783,7 +784,7 @@ tBTM_STATUS BTM_CancelInquiry(void)
 ** Description      This function is called to start an inquiry.
 **
 ** Parameters:      p_inqparms - pointer to the inquiry information
-**                      mode - GENERAL or LIMITED inquiry, BR/LE bit mask seperately
+**                      mode - GENERAL or LIMITED inquiry, BR/LE bit mask separately
 **                      duration - length in 1.28 sec intervals (If '0', the inquiry is CANCELLED)
 **                      max_resps - maximum amount of devices to search for before ending the inquiry
 **                      filter_cond_type - BTM_CLR_INQUIRY_FILTER, BTM_FILTER_COND_DEVICE_CLASS, or
@@ -1858,7 +1859,7 @@ void btm_process_inq_results (UINT8 *p, UINT8 inq_res_mode)
 #if BLE_INCLUDED == TRUE
                 /* new device response */
                 && ( p_i == NULL ||
-                     /* exisiting device with BR/EDR info */
+                     /* existing device with BR/EDR info */
                      (p_i && (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BREDR) != 0)
                    )
 #endif
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_main.c b/lib/bt/host/bluedroid/stack/btm/btm_main.c
index 8e49aa3e..67882af0 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_main.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_main.c
@@ -39,7 +39,9 @@ tBTM_CB  *btm_cb_ptr;
 
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 extern void btm_ble_extendadvcb_init(void);
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 extern void btm_ble_advrecod_init(void);
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 #endif
 
 
@@ -84,11 +86,14 @@ void btm_init (void)
 #if BLE_INCLUDED == TRUE
     btm_ble_lock_init();
     btm_ble_sem_init();
+    btm_cb.addr_res_en = TRUE;
 #endif
     btm_sec_dev_init();
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
     btm_ble_extendadvcb_init();
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
     btm_ble_advrecod_init();
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 #endif
 
 }
@@ -109,6 +114,9 @@ void btm_free(void)
     fixed_queue_free(btm_cb.sec_pending_q, osi_free_func);
     btm_acl_free();
     btm_sec_dev_free();
+#if BTM_SCO_INCLUDED == TRUE
+    btm_sco_free();
+#endif
 #if BTM_DYNAMIC_MEMORY
     FREE_AND_RESET(btm_cb_ptr);
 #endif
@@ -118,7 +126,8 @@ void btm_free(void)
 #endif
 }
 
-uint8_t btm_acl_active_count(void)
+#if (BLE_INCLUDED == TRUE)
+uint8_t btm_ble_acl_active_count(void)
 {
     list_node_t *p_node = NULL;
     tACL_CONN *p_acl_conn = NULL;
@@ -126,10 +135,23 @@ uint8_t btm_acl_active_count(void)
 
     for (p_node = list_begin(btm_cb.p_acl_db_list); p_node; p_node = list_next(p_node)) {
         p_acl_conn = list_node(p_node);
-        if (p_acl_conn && p_acl_conn->in_use) {
+        if (p_acl_conn && p_acl_conn->in_use && p_acl_conn->transport == BT_TRANSPORT_LE) {
             count++;
         }
     }
 
     return count;
 }
+
+// Address resolution status
+uint8_t btm_get_ble_addr_resolve_disable_status(void)
+{
+    // Returns false if address resolution is enabled, true if disabled
+    return (btm_cb.addr_res_en) ? 0 : 1;
+}
+
+void btm_ble_addr_resolve_enable(bool enable)
+{
+    btm_cb.addr_res_en = enable;
+}
+#endif /*BLE_INCLUDED*/
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_pm.c b/lib/bt/host/bluedroid/stack/btm/btm_pm.c
index 4c52348e..1c46a744 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_pm.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_pm.c
@@ -543,7 +543,7 @@ static tBTM_PM_MODE btm_pm_get_set_mode(UINT8 pm_id, tBTM_PM_MCB *p_cb, tBTM_PM_
 ** Function     btm_pm_snd_md_req
 ** Description  get the resulting mode and send the resuest to host controller
 ** Returns      tBTM_STATUS
-**, BOOLEAN *p_chg_ind
+**
 *******************************************************************************/
 static tBTM_STATUS btm_pm_snd_md_req(UINT8 pm_id, UINT16 link_hdl, tBTM_PM_PWR_MD *p_mode)
 {
@@ -565,6 +565,8 @@ static tBTM_STATUS btm_pm_snd_md_req(UINT8 pm_id, UINT16 link_hdl, tBTM_PM_PWR_M
         /* already in the resulting mode */
         if ( (mode == BTM_PM_MD_ACTIVE) ||
                 ((md_res.max >= p_cb->interval) && (md_res.min <= p_cb->interval)) ) {
+            // Clear request change indication because already in result mode
+            p_cb->chg_ind = FALSE;
             return BTM_CMD_STORED;
         }
         /* Otherwise, needs to wake, then sleep */
@@ -689,7 +691,7 @@ static void btm_pm_check_stored(void)
 ** Description      This function is called when an HCI command status event occurs
 **                  for power manager related commands.
 **
-** Input Parms      status - status of the event (HCI_SUCCESS if no errors)
+** Input Params     status - status of the event (HCI_SUCCESS if no errors)
 **
 ** Returns          none.
 **
@@ -717,7 +719,7 @@ void btm_pm_proc_cmd_status(UINT8 status)
 #if BTM_PM_DEBUG == TRUE
         BTM_TRACE_DEBUG( "btm_pm_proc_cmd_status new state:0x%x", p_cb->state);
 #endif // BTM_PM_DEBUG
-    } else { /* the command was not successfull. Stay in the same state */
+    } else { /* the command was not successful. Stay in the same state */
         pm_status = BTM_PM_STS_ERROR;
     }
 
@@ -743,7 +745,7 @@ void btm_pm_proc_cmd_status(UINT8 status)
 **
 ** Description      This function is called when an HCI mode change event occurs.
 **
-** Input Parms      hci_status - status of the event (HCI_SUCCESS if no errors)
+** Input Params     hci_status - status of the event (HCI_SUCCESS if no errors)
 **                  hci_handle - connection handle associated with the change
 **                  mode - HCI_MODE_ACTIVE, HCI_MODE_HOLD, HCI_MODE_SNIFF, or HCI_MODE_PARK
 **                  interval - number of baseband slots (meaning depends on mode)
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_sco.c b/lib/bt/host/bluedroid/stack/btm/btm_sco.c
index 53a9768a..69640280 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_sco.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_sco.c
@@ -117,14 +117,28 @@ void btm_sco_init (void)
     }
 #endif
     /* Initialize nonzero defaults */
-    btm_cb.sco_cb.sco_disc_reason  = BTM_INVALID_SCO_DISC_REASON;
-
     btm_cb.sco_cb.def_esco_parms = btm_esco_defaults; /* Initialize with defaults */
     btm_cb.sco_cb.desired_sco_mode = BTM_DEFAULT_SCO_MODE;
 }
 
 /*******************************************************************************
 **
+** Function         btm_sco_free
+**
+** Description      Free sco specific fixed_queue from btm control block
+**
+*******************************************************************************/
+void btm_sco_free(void)
+{
+#if (BTM_SCO_HCI_INCLUDED == TRUE)
+    for (int i = 0; i < BTM_MAX_SCO_LINKS; i++) {
+        fixed_queue_free(btm_cb.sco_cb.sco_db[i].xmit_data_q, osi_free_func);
+    }
+#endif
+}
+
+/*******************************************************************************
+**
 ** Function         btm_esco_conn_rsp
 **
 ** Description      This function is called upon receipt of an (e)SCO connection
@@ -233,7 +247,7 @@ void btm_sco_process_num_bufs (UINT16 num_lm_sco_bufs)
 **                               pointer is used, PCM parameter maintained in
 **                               the control block will be used; otherwise update
 **                               control block value.
-**                  err_data_rpt: Lisbon feature to enable the erronous data report
+**                  err_data_rpt: Lisbon feature to enable the erroneous data report
 **                                or not.
 **
 ** Returns          BTM_SUCCESS if the successful.
@@ -598,12 +612,12 @@ static tBTM_STATUS btm_send_connect_request(UINT16 acl_handle,
             ** If so, we cannot use SCO-only packet types (HFP 1.7)
             */
             if (BTM_BothEndsSupportSecureConnections(p_acl->remote_addr)) {
-                temp_pkt_types &= ~(BTM_SCO_PKT_TYPE_MASK);
+                temp_pkt_types &= ~(BTM_SCO_LINK_ONLY_MASK);
                 BTM_TRACE_DEBUG("%s: SCO Conn: pkt_types after removing SCO (0x%04x)", __FUNCTION__,
                                 temp_pkt_types);
 
                 /* Return error if no packet types left */
-                if (temp_pkt_types == 0) {
+                if (temp_pkt_types == BTM_SCO_EXCEPTION_PKTS_MASK) {
                     BTM_TRACE_ERROR("%s: SCO Conn (BR/EDR SC): No packet types available",__FUNCTION__);
                     return (BTM_WRONG_MODE);
                 }
@@ -947,7 +961,7 @@ void btm_sco_conn_req (BD_ADDR bda,  DEV_CLASS dev_class, UINT8 link_type)
     for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {
         /*
          * If the sco state is in the SCO_ST_CONNECTING state, we still need
-         * to return accept sco to avoid race conditon for sco creation
+         * to return accept sco to avoid race condition for sco creation
          */
         int rem_bd_matches = p->rem_bd_known &&
                              !memcmp (p->esco.data.bd_addr, bda, BD_ADDR_LEN);
@@ -1032,7 +1046,6 @@ void btm_sco_connected (UINT8 hci_status, BD_ADDR bda, UINT16 hci_handle,
     tBTM_CHG_ESCO_PARAMS parms;
 #endif
 
-    btm_cb.sco_cb.sco_disc_reason = hci_status;
     BTM_TRACE_API("%s, handle %x", __FUNCTION__, hci_handle);
 #if (BTM_MAX_SCO_LINKS>0)
     for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {
@@ -1203,21 +1216,16 @@ void btm_remove_sco_links (BD_ADDR bda)
 ** Returns          void
 **
 *******************************************************************************/
-void btm_sco_removed (UINT16 hci_handle, UINT8 reason)
+BOOLEAN btm_sco_removed (UINT16 hci_handle, UINT8 reason)
 {
 #if (BTM_MAX_SCO_LINKS>0)
     tSCO_CONN   *p = &btm_cb.sco_cb.sco_db[0];
     UINT16      xx;
-#endif
-
-    btm_cb.sco_cb.sco_disc_reason = reason;
 
-#if (BTM_MAX_SCO_LINKS>0)
     p = &btm_cb.sco_cb.sco_db[0];
     for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {
         if ((p->state != SCO_ST_UNUSED) && (p->state != SCO_ST_LISTENING) && (p->hci_handle == hci_handle)) {
             btm_sco_flush_sco_data(xx);
-
             p->state = SCO_ST_UNUSED;
 #if BTM_SCO_HCI_INCLUDED == TRUE
             btm_cb.sco_cb.xmit_window_size += p->sent_not_acked;
@@ -1232,10 +1240,11 @@ void btm_sco_removed (UINT16 hci_handle, UINT8 reason)
             p->esco.p_esco_cback = NULL;    /* Deregister eSCO callback */
             (*p->p_disc_cb)(xx);
 
-            return;
+            return TRUE;
         }
     }
 #endif
+    return FALSE;
 }
 
 
@@ -1361,24 +1370,6 @@ UINT16 BTM_ReadScoPacketTypes (UINT16 sco_inx)
 
 /*******************************************************************************
 **
-** Function         BTM_ReadScoDiscReason
-**
-** Description      This function is returns the reason why an (e)SCO connection
-**                  has been removed. It contains the value until read, or until
-**                  another (e)SCO connection has disconnected.
-**
-** Returns          HCI reason or BTM_INVALID_SCO_DISC_REASON if not set.
-**
-*******************************************************************************/
-UINT16 BTM_ReadScoDiscReason (void)
-{
-    UINT16 res = btm_cb.sco_cb.sco_disc_reason;
-    btm_cb.sco_cb.sco_disc_reason = BTM_INVALID_SCO_DISC_REASON;
-    return (res);
-}
-
-/*******************************************************************************
-**
 ** Function         BTM_ReadDeviceScoPacketTypes
 **
 ** Description      This function is read the SCO packet types that
@@ -1878,10 +1869,6 @@ UINT8 *BTM_ReadScoBdAddr(UINT16 sco_inx)
 {
     return ((UINT8 *) NULL);
 }
-UINT16 BTM_ReadScoDiscReason (void)
-{
-    return (BTM_INVALID_SCO_DISC_REASON);
-}
 tBTM_STATUS BTM_SetEScoMode (tBTM_SCO_TYPE sco_mode, tBTM_ESCO_PARAMS *p_parms)
 {
     return (BTM_MODE_UNSUPPORTED);
diff --git a/lib/bt/host/bluedroid/stack/btm/btm_sec.c b/lib/bt/host/bluedroid/stack/btm/btm_sec.c
index ca5f99e1..3ed5d4b1 100644
--- a/lib/bt/host/bluedroid/stack/btm/btm_sec.c
+++ b/lib/bt/host/bluedroid/stack/btm/btm_sec.c
@@ -1001,12 +1001,12 @@ tBTM_STATUS btm_sec_bond_by_transport (BD_ADDR bd_addr, tBT_TRANSPORT transport,
         return (BTM_SUCCESS);
     }
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
     /* Tell controller to get rid of the link key if it has one stored */
     if ((BTM_DeleteStoredLinkKey (bd_addr, NULL)) != BTM_SUCCESS) {
         return (BTM_NO_RESOURCES);
     }
 
-#if (CLASSIC_BT_INCLUDED == TRUE)
     /* Save the PIN code if we got a valid one */
     if (p_pin && (pin_len <= PIN_CODE_LEN) && (pin_len != 0)) {
         btm_cb.pin_code_len = pin_len;
@@ -1720,7 +1720,7 @@ void BTM_RemoteOobDataReply(tBTM_STATUS res, BD_ADDR bd_addr, BT_OCTET16 c, BT_O
         btsnd_hcic_rem_oob_reply (bd_addr, c, r);
     }
 }
-
+#if 0
 /*******************************************************************************
 **
 ** Function         BTM_BuildOobData
@@ -1745,8 +1745,10 @@ UINT16 BTM_BuildOobData(UINT8 *p_data, UINT16 max_len, BT_OCTET16 c,
     UINT8   *p = p_data;
     UINT16  len = 0;
 #if BTM_MAX_LOC_BD_NAME_LEN > 0
+#if (CLASSIC_BT_INCLUDED == TRUE)
     UINT16  name_size;
     UINT8   name_type = BTM_EIR_SHORTENED_LOCAL_NAME_TYPE;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #endif
 
     if (p_data && max_len >= BTM_OOB_MANDATORY_SIZE) {
@@ -1789,6 +1791,7 @@ UINT16 BTM_BuildOobData(UINT8 *p_data, UINT16 max_len, BT_OCTET16 c,
             max_len -= delta;
         }
 #if BTM_MAX_LOC_BD_NAME_LEN > 0
+#if (CLASSIC_BT_INCLUDED == TRUE)
         name_size = name_len;
         if (name_size > strlen(btm_cb.cfg.bredr_bd_name)) {
             name_type = BTM_EIR_COMPLETE_LOCAL_NAME_TYPE;
@@ -1802,6 +1805,7 @@ UINT16 BTM_BuildOobData(UINT8 *p_data, UINT16 max_len, BT_OCTET16 c,
             len     += delta;
             max_len -= delta;
         }
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #endif
         /* update len */
         p = p_data;
@@ -1871,6 +1875,7 @@ UINT8 *BTM_ReadOobData(UINT8 *p_data, UINT8 eir_tag, UINT8 *p_len)
 
     return p_ret;
 }
+#endif
 #endif  ///BTM_OOB_INCLUDED == TRUE && SMP_INCLUDED == TRUE
 
 #if (CLASSIC_BT_INCLUDED == TRUE)
@@ -4589,10 +4594,10 @@ tBTM_STATUS btm_sec_disconnect (UINT16 handle, UINT8 reason)
 ** Description      This function is when a connection to the peer device is
 **                  dropped
 **
-** Returns          void
+** Returns          tBTM_SEC_DEV_REC is not NULL
 **
 *******************************************************************************/
-void btm_sec_disconnected (UINT16 handle, UINT8 reason)
+BOOLEAN btm_sec_disconnected (UINT16 handle, UINT8 reason)
 {
     tBTM_SEC_DEV_REC  *p_dev_rec = btm_find_dev_by_handle (handle);
     UINT8             old_pairing_flags = btm_cb.pairing_flags;
@@ -4608,7 +4613,7 @@ void btm_sec_disconnected (UINT16 handle, UINT8 reason)
 #endif
 
     if (!p_dev_rec) {
-        return;
+        return FALSE;
     }
     p_dev_rec->enc_init_by_we = FALSE;
     transport  = (handle == p_dev_rec->hci_handle) ? BT_TRANSPORT_BR_EDR : BT_TRANSPORT_LE;
@@ -4649,7 +4654,7 @@ void btm_sec_disconnected (UINT16 handle, UINT8 reason)
     if (p_dev_rec->sec_state == BTM_SEC_STATE_DISCONNECTING_BOTH) {
         p_dev_rec->sec_state = (transport == BT_TRANSPORT_LE) ?
                                BTM_SEC_STATE_DISCONNECTING : BTM_SEC_STATE_DISCONNECTING_BLE;
-        return;
+        return TRUE;
     }
 #endif
     p_dev_rec->sec_state  = BTM_SEC_STATE_IDLE;
@@ -4685,6 +4690,7 @@ void btm_sec_disconnected (UINT16 handle, UINT8 reason)
                                                     p_dev_rec->sec_bd_name, result);
         }
     }
+    return TRUE;
 }
 
 /*******************************************************************************
diff --git a/lib/bt/host/bluedroid/stack/btm/include/btm_ble_int.h b/lib/bt/host/bluedroid/stack/btm/include/btm_ble_int.h
index 0f8888fb..de25c6fa 100644
--- a/lib/bt/host/bluedroid/stack/btm/include/btm_ble_int.h
+++ b/lib/bt/host/bluedroid/stack/btm/include/btm_ble_int.h
@@ -212,11 +212,14 @@ typedef struct {
 #define BTM_BLE_MAX_BG_CONN_DEV_NUM    10
 
 typedef struct {
+    UINT16              scan_interval;
+    UINT16              scan_window;
     UINT16              min_conn_int;
     UINT16              max_conn_int;
     UINT16              slave_latency;
     UINT16              supervision_tout;
-
+    UINT16              min_ce_len;
+    UINT16              max_ce_len;
 } tBTM_LE_CONN_PRAMS;
 
 
@@ -339,10 +342,10 @@ typedef struct {
     tBTM_INQ_RESULTS_CB *p_scan_results_cb;
     tBTM_CMPL_CB *p_scan_cmpl_cb;
     TIMER_LIST_ENT scan_timer_ent;
-
+#if (BLE_42_SCAN_EN == TRUE)
     struct pkt_queue *adv_rpt_queue;
     struct osi_event *adv_rpt_ready;
-
+#endif // #if (BLE_42_SCAN_EN == TRUE)
     /* background connection procedure cb value */
     tBTM_BLE_CONN_TYPE bg_conn_type;
     UINT32 scan_int;
@@ -350,6 +353,10 @@ typedef struct {
     tBTM_BLE_SEL_CBACK *p_select_cback;
     /* white list information */
     UINT8 white_list_avail_size;
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
+    /* periodic list information */
+    UINT8 periodic_adv_list_size;
+#endif //#if (BLE_50_EXTEND_SYNC_EN == TRUE)
     tBTM_UPDATE_WHITELIST_CBACK *update_wl_cb;
     tBTM_BLE_WL_STATE wl_state;
 
@@ -377,6 +384,8 @@ typedef struct {
     tBTM_BLE_STATE_MASK cur_states; /* bit mask of tBTM_BLE_STATE */
     UINT8 link_count[2]; /* total link count master and slave*/
     tBTM_UPDATE_DUPLICATE_EXCEPTIONAL_LIST_CMPL_CBACK *update_exceptional_list_cmp_cb;
+    tBTM_SET_CSA_SUPPORT_CMPL_CBACK *set_csa_support_cmpl_cb;
+    tBTM_SET_VENDOR_EVT_MASK_CBACK *set_vendor_evt_mask_cmpl_cb;
 } tBTM_BLE_CB;
 
 #ifdef __cplusplus
@@ -384,12 +393,14 @@ extern "C" {
 #endif
 
 void btm_ble_timeout(TIMER_LIST_ENT *p_tle);
+#if (BLE_42_SCAN_EN == TRUE)
 void btm_ble_process_adv_pkt (UINT8 *p);
 void btm_ble_process_adv_discard_evt(UINT8 *p);
 void btm_ble_process_direct_adv_pkt (UINT8 *p);
 bool btm_ble_adv_pkt_ready(void);
 bool btm_ble_adv_pkt_post(pkt_linked_item_t *pkt);
 void btm_ble_proc_scan_rsp_rpt (UINT8 *p);
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 tBTM_STATUS btm_ble_read_remote_name(BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, tBTM_CMPL_CB *p_cb);
 BOOLEAN btm_ble_cancel_remote_name(BD_ADDR remote_bda);
 
@@ -405,7 +416,11 @@ void btm_ble_init (void);
 void btm_ble_free (void);
 void btm_ble_connected (UINT8 *bda, UINT16 handle, UINT8 enc_mode, UINT8 role, tBLE_ADDR_TYPE addr_type, BOOLEAN addr_matched);
 void btm_ble_read_remote_features_complete(UINT8 *p);
+
+#if (BLE_42_ADV_EN == TRUE)
 void btm_ble_write_adv_enable_complete(UINT8 *p);
+#endif // #if (BLE_42_ADV_EN == TRUE)
+
 void btm_ble_conn_complete(UINT8 *p, UINT16 evt_len, BOOLEAN enhanced);
 void btm_read_ble_local_supported_states_complete(UINT8 *p, UINT16 evt_len);
 tBTM_BLE_CONN_ST btm_ble_get_conn_st(void);
@@ -455,9 +470,12 @@ void btm_ble_remove_from_white_list_complete(UINT8 *p, UINT16 evt_len);
 void btm_ble_clear_white_list_complete(UINT8 *p, UINT16 evt_len);
 void btm_ble_white_list_init(UINT8 white_list_size);
 
+#if (tGATT_BG_CONN_DEV == TRUE)
 /* background connection function */
 BOOLEAN btm_ble_suspend_bg_conn(void);
 BOOLEAN btm_ble_resume_bg_conn(void);
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
+
 void btm_ble_initiate_select_conn(BD_ADDR bda);
 BOOLEAN btm_ble_start_auto_conn(BOOLEAN start);
 BOOLEAN btm_ble_start_select_conn(BOOLEAN start, tBTM_BLE_SEL_CBACK   *p_select_cback);
@@ -500,12 +518,14 @@ void btm_ble_add_default_entry_to_resolving_list(void);
 void btm_ble_set_privacy_mode_complete(UINT8 *p, UINT16 evt_len);
 #endif
 
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 void btm_ble_multi_adv_configure_rpa (tBTM_BLE_MULTI_ADV_INST *p_inst);
 void btm_ble_multi_adv_init(void);
 void *btm_ble_multi_adv_get_ref(UINT8 inst_id);
 void btm_ble_multi_adv_cleanup(void);
 void btm_ble_multi_adv_reenable(UINT8 inst_id);
 void btm_ble_multi_adv_enb_privacy(BOOLEAN enable);
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 char btm_ble_map_adv_tx_power(int tx_power_index);
 void btm_ble_batchscan_init(void);
 void btm_ble_batchscan_cleanup(void);
@@ -536,12 +556,57 @@ void btm_ble_channel_select_algorithm_evt(tBTM_BLE_CHANNEL_SEL_ALG *params);
 void btm_ble_periodic_adv_report_evt(tBTM_PERIOD_ADV_REPORT *params);
 void btm_ble_periodic_adv_sync_lost_evt(tBTM_BLE_PERIOD_ADV_SYNC_LOST *params);
 void btm_ble_periodic_adv_sync_establish_evt(tBTM_BLE_PERIOD_ADV_SYNC_ESTAB *params);
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
+void btm_ble_periodic_adv_list_init(UINT8 periodic_adv_size);
+#endif //#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 void btm_ble_periodic_adv_sync_trans_recv_evt(tBTM_BLE_PERIOD_ADV_SYNC_TRANS_RECV *params);
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+#if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+void btm_ble_cis_established_evt(tBTM_BLE_CIS_ESTABLISHED_CMPL *params);
+void btm_ble_cis_disconnected_evt(tBTM_BLE_CIS_DISCON_CMPL *params);
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+void btm_ble_iso_read_iso_tx_sync_complete(UINT8 *p);
+void btm_ble_iso_read_iso_link_quality_complete(UINT8 *p);
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+void btm_ble_cis_request_evt(tBTM_BLE_CIS_REQUEST_CMPL *params);
+void btm_ble_accept_cis_req_cmd_status(tBTM_BLE_ISO_CB_PARAMS *cb_params);
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+void btm_ble_create_cis_cmd_status(tBTM_BLE_ISO_CB_PARAMS *cb_params);
+void btm_ble_iso_set_cig_params_complete(UINT8 *p);
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+void btm_ble_big_create_cmpl_evt(tBTM_BLE_BIG_CREATE_CMPL *param);
+void btm_ble_big_terminate_cmpl_evt(tBTM_BLE_BIG_TERMINATE_CMPL *params);
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+void btm_ble_big_sync_estab_evt(tBTM_BLE_BIG_SYNC_ESTAB_CMPL *params);
+void btm_ble_big_sync_lost_evt(tBTM_BLE_BIG_SYNC_LOST_EVT *params);
+void btm_ble_biginfo_adv_report_evt(tBTM_BLE_BIGINFO_ADV_REPORT_EVT *params);
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+void btm_ble_iso_data_path_update_complete(UINT16 opcode, UINT8 hci_status, UINT16 conn_handle);
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_CTE_EN == TRUE)
+void btm_ble_cte_read_ant_infor_complete(UINT8 *p);
+void btm_ble_connless_iq_report_evt(tBTM_BLE_CTE_CONNLESS_IQ_REPORT_EVT *params);
+void btm_ble_conn_iq_report_evt(tBTM_BLE_CTE_CONN_IQ_REPORT_EVT *params);
+void btm_ble_cte_req_failed_evt(tBTM_BLE_CTE_REQ_FAILED_EVT *params);
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+void btm_ble_path_loss_threshold_evt(tBTM_BLE_PATH_LOSS_THRESHOLD_EVT *params);
+void btm_ble_transmit_power_report_evt(tBTM_BLE_TRANS_POWER_REPORT_EVT *params);
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+void btm_ble_subrate_change_evt(tBTM_BLE_SUBRATE_CHANGE_EVT *params);
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
 /*
 #ifdef __cplusplus
 }
diff --git a/lib/bt/host/bluedroid/stack/btm/include/btm_int.h b/lib/bt/host/bluedroid/stack/btm/include/btm_int.h
index 3d01a5c2..d5b69c68 100644
--- a/lib/bt/host/bluedroid/stack/btm/include/btm_int.h
+++ b/lib/bt/host/bluedroid/stack/btm/include/btm_int.h
@@ -43,13 +43,12 @@ typedef struct tBTM_SEC_DEV_REC tBTM_SEC_DEV_REC;
 #include "stack/smp_api.h"
 #endif
 
-#define ESP_VS_REM_LEGACY_AUTH_CMP 0x03
-
 #if BTM_MAX_LOC_BD_NAME_LEN > 0
 typedef char tBTM_LOC_BD_NAME[BTM_MAX_LOC_BD_NAME_LEN + 1];
 #endif
 
 #define  BTM_ACL_IS_CONNECTED(bda)   (btm_bda_to_acl (bda, BT_TRANSPORT_BR_EDR) != NULL)
+#define  BTM_LE_ACL_IS_CONNECTED(bda)   (btm_bda_to_acl (bda, BT_TRANSPORT_LE) != NULL)
 
 /* Definitions for Server Channel Number (SCN) management
 */
@@ -192,6 +191,10 @@ tBTM_CMPL_CB        *p_rln_cmpl_cb;     /* Callback function to be called when
 TIMER_LIST_ENT       rssi_timer;
 tBTM_CMPL_CB        *p_rssi_cmpl_cb;    /* Callback function to be called when  */
 /* read rssi function completes         */
+
+tBTM_CMPL_CB        *p_ble_ch_map_cmpl_cb; /* Callback function to be called when */
+/* read channel map function completes */
+
 TIMER_LIST_ENT       lnk_quality_timer;
 tBTM_CMPL_CB        *p_lnk_qual_cmpl_cb;/* Callback function to be called when  */
 /* read link quality function completes */
@@ -207,8 +210,10 @@ tBTM_ROLE_SWITCH_CMPL switch_role_ref_data;
 tBTM_CMPL_CB        *p_switch_role_cb;  /* Callback function to be called when  */
 /* requested switch role is completed   */
 
+#if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 TIMER_LIST_ENT       tx_power_timer;
 tBTM_CMPL_CB        *p_tx_power_cmpl_cb;/* Callback function to be called       */
+#endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 
 #if CLASSIC_BT_INCLUDED == TRUE
 TIMER_LIST_ENT       afh_channels_timer;
@@ -469,7 +474,6 @@ typedef struct {
     tSCO_CONN            sco_db[BTM_MAX_SCO_LINKS];
     tBTM_ESCO_PARAMS     def_esco_parms;
     BD_ADDR              xfer_addr;
-    UINT16               sco_disc_reason;
     BOOLEAN              esco_supported;    /* TRUE if 1.2 cntlr AND supports eSCO links */
     tBTM_SCO_TYPE        desired_sco_mode;
     tBTM_SCO_TYPE        xfer_sco_type;
@@ -724,14 +728,18 @@ struct tBTM_SEC_DEV_REC{
 */
 typedef struct {
 #if BTM_MAX_LOC_BD_NAME_LEN > 0
+#if (CLASSIC_BT_INCLUDED == TRUE)
     tBTM_LOC_BD_NAME bredr_bd_name;                 /* local BREDR device name */
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     tBTM_LOC_BD_NAME ble_bd_name;                   /* local BLE device name */
 #endif
+#if (CLASSIC_BT_INCLUDED == TRUE)
     BOOLEAN          pin_type;                   /* TRUE if PIN type is fixed */
     UINT8            pin_code_len;               /* Bonding information */
     PIN_CODE         pin_code;                   /* PIN CODE if pin type is fixed */
-    BOOLEAN          connectable;                /* If TRUE page scan should be enabled */
-    UINT8            def_inq_scan_mode;          /* ??? limited/general/none */
+    // BOOLEAN          connectable;                /* If TRUE page scan should be enabled */
+    // UINT8            def_inq_scan_mode;          /* ??? limited/general/none */
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 } tBTM_CFG;
 
 enum {
@@ -885,6 +893,7 @@ typedef struct {
     UINT16                  ediv;       /* received ediv value from LTK request */
     UINT8                   key_size;
     tBTM_BLE_VSC_CB         cmn_ble_vsc_cb;
+    BOOLEAN                 addr_res_en;   /* internal use for test: address resolution enable/disable */
 #endif
 
     /* Packet types supported by the local device */
@@ -951,7 +960,7 @@ typedef struct {
 #endif // SMP_INCLUDED == TRUE || BT_CLASSIC_ENABLED == TRUE
     list_t                  *p_sec_dev_rec_list;
     tBTM_SEC_SERV_REC       *p_out_serv;
-    tBTM_MKEY_CALLBACK      *mkey_cback;
+    // tBTM_MKEY_CALLBACK      *mkey_cback;
 
     BD_ADDR                  connecting_bda;
     DEV_CLASS                connecting_dc;
@@ -1063,6 +1072,7 @@ void         btm_cont_rswitch (tACL_CONN *p,
 tACL_CONN    *btm_handle_to_acl (UINT16 hci_handle);
 void         btm_read_link_policy_complete (UINT8 *p);
 void         btm_read_rssi_complete (UINT8 *p);
+void         btm_read_channel_map_complete (UINT8 *p);
 void         btm_read_tx_power_complete (UINT8 *p, BOOLEAN is_ble);
 void         btm_acl_pkt_types_changed(UINT8 status, UINT16 handle, UINT16 pkt_types);
 void         btm_read_link_quality_complete (UINT8 *p);
@@ -1113,17 +1123,29 @@ void btm_read_phy_callback(uint8_t hci_status, uint16_t conn_handle, uint8_t tx_
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 void btm_ble_periodic_adv_sync_trans_complete(UINT16 op_code, UINT8 hci_status, UINT16 conn_handle);
 #endif
+void btm_ble_big_sync_terminate_complete(UINT8 hci_status, UINT8 big_handle);
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+void btm_enh_read_trans_pwr_level_cmpl_evt(uint8_t *p);
+void btm_read_remote_trans_pwr_level_cmpl(UINT8 status);
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+void btm_subrate_req_cmd_status(UINT8 status);
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
 /* Internal functions provided by btm_sco.c
 ********************************************
 */
 void btm_sco_init (void);
+void btm_sco_free(void);
 void btm_sco_connected (UINT8 hci_status, BD_ADDR bda, UINT16 hci_handle,
                         tBTM_ESCO_DATA *p_esco_data);
 void btm_esco_proc_conn_chg (UINT8 status, UINT16 handle, UINT8 tx_interval,
                              UINT8 retrans_window, UINT16 rx_pkt_len,
                              UINT16 tx_pkt_len);
 void btm_sco_conn_req (BD_ADDR bda,  DEV_CLASS dev_class, UINT8 link_type);
-void btm_sco_removed (UINT16 hci_handle, UINT8 reason);
+BOOLEAN btm_sco_removed (UINT16 hci_handle, UINT8 reason);
 void btm_sco_acl_removed (BD_ADDR bda);
 void btm_route_sco_data (BT_HDR *p_msg);
 BOOLEAN btm_is_sco_active (UINT16 handle);
@@ -1203,7 +1225,7 @@ void  btm_sec_auth_complete (UINT16 handle, UINT8 status);
 void  btm_sec_encrypt_change (UINT16 handle, UINT8 status, UINT8 encr_enable);
 void  btm_sec_connected (UINT8 *bda, UINT16 handle, UINT8 status, UINT8 enc_mode);
 tBTM_STATUS btm_sec_disconnect (UINT16 handle, UINT8 reason);
-void  btm_sec_disconnected (UINT16 handle, UINT8 reason);
+BOOLEAN  btm_sec_disconnected (UINT16 handle, UINT8 reason);
 void  btm_sec_rmt_name_request_complete (UINT8 *bd_addr, UINT8 *bd_name, UINT8 status);
 void  btm_sec_rmt_host_support_feat_evt (UINT8 *p);
 void  btm_io_capabilities_req (UINT8 *p);
diff --git a/lib/bt/host/bluedroid/stack/btu/btu_hcif.c b/lib/bt/host/bluedroid/stack/btu/btu_hcif.c
index 30e76125..eb2995b9 100644
--- a/lib/bt/host/bluedroid/stack/btu/btu_hcif.c
+++ b/lib/bt/host/bluedroid/stack/btu/btu_hcif.c
@@ -55,6 +55,7 @@ extern void btm_ble_test_command_complete(UINT8 *p);
 /********************************************************************************/
 /*              L O C A L    F U N C T I O N     P R O T O T Y P E S            */
 /********************************************************************************/
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_inquiry_comp_evt (UINT8 *p);
 static void btu_hcif_inquiry_result_evt (UINT8 *p);
 static void btu_hcif_inquiry_rssi_result_evt (UINT8 *p);
@@ -62,30 +63,46 @@ static void btu_hcif_extended_inquiry_result_evt (UINT8 *p);
 
 static void btu_hcif_connection_comp_evt (UINT8 *p);
 static void btu_hcif_connection_request_evt (UINT8 *p);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_disconnection_comp_evt (UINT8 *p);
 #if (SMP_INCLUDED == TRUE)
 static void btu_hcif_authentication_comp_evt (UINT8 *p);
 #endif  ///SMP_INCLUDED == TRUE
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_rmt_name_request_comp_evt (UINT8 *p, UINT16 evt_len);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #if (SMP_INCLUDED == TRUE)
 static void btu_hcif_encryption_change_evt (UINT8 *p);
 #endif  ///SMP_INCLUDED == TRUE
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_read_rmt_features_comp_evt (UINT8 *p);
 static void btu_hcif_read_rmt_ext_features_comp_evt (UINT8 *p);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_read_rmt_version_comp_evt (UINT8 *p);
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_qos_setup_comp_evt (UINT8 *p);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_command_complete_evt (BT_HDR *response, void *context);
 static void btu_hcif_command_status_evt (uint8_t status, BT_HDR *command, void *context);
 static void btu_hcif_hardware_error_evt (UINT8 *p);
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_flush_occured_evt (void);
 static void btu_hcif_role_change_evt (UINT8 *p);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_num_compl_data_pkts_evt (UINT8 *p);
+
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_mode_change_evt (UINT8 *p);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
+
 #if (SMP_INCLUDED == TRUE)
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_pin_code_request_evt (UINT8 *p);
 static void btu_hcif_link_key_request_evt (UINT8 *p);
 static void btu_hcif_link_key_notification_evt (UINT8 *p);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #endif  ///SMP_INCLUDED == TRUE
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_loopback_command_evt (void);
 static void btu_hcif_data_buf_overflow_evt (void);
 static void btu_hcif_max_slots_changed_evt (void);
@@ -98,6 +115,8 @@ static void btu_hcif_esco_connection_comp_evt(UINT8 *p);
 static void btu_hcif_esco_connection_chg_evt(UINT8 *p);
 
 static void btu_hcif_host_support_evt (UINT8 *p);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
+
 /* Simple Pairing Events */
 #if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_io_cap_request_evt (UINT8 *p);
@@ -111,12 +130,14 @@ static void btu_hcif_keypress_notif_evt (UINT8 *p);
 #if BTM_OOB_INCLUDED == TRUE && SMP_INCLUDED == TRUE
 static void btu_hcif_rem_oob_request_evt (UINT8 *p);
 #endif
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_link_supv_to_changed_evt (UINT8 *p);
 #if L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE
 static void btu_hcif_enhanced_flush_complete_evt (void);
 #endif
 
 static void btu_hcif_ssr_evt (UINT8 *p, UINT16 evt_len);
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 
 #if BLE_INCLUDED == TRUE
 static void btu_ble_ll_conn_complete_evt (UINT8 *p, UINT16 evt_len);
@@ -136,29 +157,91 @@ static void btu_ble_proc_enhanced_conn_cmpl (UINT8 *p, UINT16 evt_len);
 //#endif
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 static void btu_ble_phy_update_complete_evt(UINT8 *p);
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 static void btu_ble_ext_adv_report_evt(UINT8 *p, UINT16 evt_len);
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 static void btu_ble_periodic_adv_sync_establish_evt(UINT8 *p);
 static void btu_ble_periodic_adv_report_evt(UINT8 *p, UINT8 evt_len);
 static void btu_ble_periodic_adv_sync_lost_evt(UINT8 *p);
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 static void btu_ble_scan_timeout_evt(UINT8 *p);
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 static void btu_ble_adv_set_terminate_evt(UINT8 *p);
 static void btu_ble_scan_req_received_evt(UINT8 *p);
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
+static void btu_ble_channel_select_alg_evt(UINT8 *p);
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 static void btu_ble_periodic_adv_sync_trans_recv(UINT8 *p);
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+#if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+void btu_ble_create_big_cmd_status(UINT8 status);
+static void btu_ble_big_create_complete_evt(UINT8 *p);
+void btu_ble_big_terminate_cmd_status(UINT8 status);
+static void btu_ble_big_terminate_complete_evt(UINT8 *p);
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+static void btu_ble_create_big_sync_cmd_status(UINT8 status);
+static void btu_ble_big_sync_establish_evt(UINT8 *p);
+static void btu_ble_big_sync_lost_evt(UINT8 *p);
+static void btu_ble_biginfo_adv_report_evt(UINT8 *p);
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+static void btu_ble_create_cis_cmd_status(UINT8 status);
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+static void btu_ble_accept_cis_req_cmd_status(UINT8 status);
+static void btu_ble_cis_request_evt(UINT8 *p);
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+static void btu_ble_cis_established_evt(UINT8 *p);
+static void btu_ble_cis_disconnected(UINT16 handle, UINT8 reason);
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+
+#if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+static void btu_ble_cte_connless_iq_report_evt(UINT8 *p);
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+static void btu_ble_cte_conn_iq_report_evt(UINT8 *p);
+static void btu_ble_cte_req_failed_evt(UINT8 *p);
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+static void btu_ble_path_loss_threshold_evt(UINT8 *p);
+static void btu_ble_transmit_power_report_evt(UINT8 *p);
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+static void btu_ble_subrate_change_evt(UINT8 *p);
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
+#if (BLE_42_ADV_EN == TRUE)
 extern osi_sem_t adv_enable_sem;
 extern osi_sem_t adv_data_sem;
 extern osi_sem_t adv_param_sem;
-extern osi_sem_t scan_enable_sem;
-extern osi_sem_t scan_param_sem;
 extern uint8_t adv_enable_status;
 extern uint8_t adv_data_status;
 extern uint8_t adv_param_status;
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
+extern osi_sem_t scan_enable_sem;
+extern osi_sem_t scan_param_sem;
 extern uint8_t scan_enable_status;
 extern uint8_t scan_param_status;
-
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 #endif
 
 /*******************************************************************************
@@ -182,6 +265,7 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
     STREAM_TO_UINT8  (hci_evt_len, p);
 
     switch (hci_evt_code) {
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_INQUIRY_COMP_EVT:
         btu_hcif_inquiry_comp_evt (p);
         break;
@@ -200,6 +284,7 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
     case HCI_CONNECTION_REQUEST_EVT:
         btu_hcif_connection_request_evt (p);
         break;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_DISCONNECTION_COMP_EVT:
         btu_hcif_disconnection_comp_evt (p);
         break;
@@ -208,9 +293,11 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
         btu_hcif_authentication_comp_evt (p);
 #endif  ///SMP_INCLUDED == TRUE
         break;
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_RMT_NAME_REQUEST_COMP_EVT:
         btu_hcif_rmt_name_request_comp_evt (p, hci_evt_len);
         break;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_ENCRYPTION_CHANGE_EVT:
 #if (SMP_INCLUDED == TRUE)
         btu_hcif_encryption_change_evt (p);
@@ -223,18 +310,22 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
 #endif  ///SMP_INCLUDED == TRUE
         break;
 #endif
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_READ_RMT_FEATURES_COMP_EVT:
         btu_hcif_read_rmt_features_comp_evt (p);
         break;
     case HCI_READ_RMT_EXT_FEATURES_COMP_EVT:
         btu_hcif_read_rmt_ext_features_comp_evt (p);
         break;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_READ_RMT_VERSION_COMP_EVT:
         btu_hcif_read_rmt_version_comp_evt (p);
         break;
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_QOS_SETUP_COMP_EVT:
         btu_hcif_qos_setup_comp_evt (p);
         break;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_COMMAND_COMPLETE_EVT:
         //HCI_TRACE_ERROR("%s should not have received a command complete event. "
         //      "Someone didn't go through the hci transmit_command function.", __func__);
@@ -246,19 +337,24 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
     case HCI_HARDWARE_ERROR_EVT:
         btu_hcif_hardware_error_evt (p);
         break;
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_FLUSH_OCCURED_EVT:
         btu_hcif_flush_occured_evt ();
         break;
     case HCI_ROLE_CHANGE_EVT:
         btu_hcif_role_change_evt (p);
         break;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_NUM_COMPL_DATA_PKTS_EVT:
         btu_hcif_num_compl_data_pkts_evt (p);
         break;
+ #if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_MODE_CHANGE_EVT:
         btu_hcif_mode_change_evt (p);
         break;
+#endif //  #if (CLASSIC_BT_INCLUDED == TRUE)
 #if (SMP_INCLUDED == TRUE)
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_PIN_CODE_REQUEST_EVT:
         btu_hcif_pin_code_request_evt (p);
         break;
@@ -268,7 +364,9 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
     case HCI_LINK_KEY_NOTIFICATION_EVT:
         btu_hcif_link_key_notification_evt (p);
         break;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #endif  ///SMP_INCLUDED == TRUE
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_LOOPBACK_COMMAND_EVT:
         btu_hcif_loopback_command_evt ();
         break;
@@ -305,7 +403,6 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
     case HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT:
         btu_hcif_host_support_evt (p);
         break;
-#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_IO_CAPABILITY_REQUEST_EVT:
         btu_hcif_io_cap_request_evt (p);
         break;
@@ -334,7 +431,6 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
     case HCI_KEYPRESS_NOTIFY_EVT:
         btu_hcif_keypress_notif_evt (p);
         break;
-#endif /* (CLASSIC_BT_INCLUDED == TRUE) */
     case HCI_LINK_SUPER_TOUT_CHANGED_EVT:
         btu_hcif_link_supv_to_changed_evt (p);
         break;
@@ -343,6 +439,7 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
         btu_hcif_enhanced_flush_complete_evt ();
         break;
 #endif
+#endif /* (CLASSIC_BT_INCLUDED == TRUE) */
 
 #if (BLE_INCLUDED == TRUE)
     case HCI_BLE_EVENT:
@@ -388,10 +485,13 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
         case HCI_BLE_PHY_UPDATE_COMPLETE_EVT:
             btu_ble_phy_update_complete_evt(p);
             break;
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
         case HCI_BLE_EXT_ADV_REPORT_EVT:
             //HCI_TRACE_ERROR("%s, HCI_BLE_EXT_ADV_REPORT_EVT.", __func__);
             btu_ble_ext_adv_report_evt(p, hci_evt_len);
             break;
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
         case HCI_BLE_PERIOD_ADV_SYNC_ESTAB_EVT:
             btu_ble_periodic_adv_sync_establish_evt(p);
             break;
@@ -401,16 +501,22 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
         case HCI_BLE_PERIOD_ADV_SYNC_LOST_EVT:
             btu_ble_periodic_adv_sync_lost_evt(p);
             break;
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
         case HCI_BLE_SCAN_TIMEOUT_EVT:
             btu_ble_scan_timeout_evt(p);
             break;
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
         case HCI_BLE_ADV_SET_TERMINATED_EVT:
             btu_ble_adv_set_terminate_evt(p);
             break;
         case HCI_BLE_SCAN_REQ_RECEIVED_EVT:
             btu_ble_scan_req_received_evt(p);
             break;
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
         case HCI_BLE_CHANNEL_SELECT_ALG:
+            btu_ble_channel_select_alg_evt(p);
             break;
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
@@ -418,6 +524,68 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
             btu_ble_periodic_adv_sync_trans_recv(p);
             break;
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
+#if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+        case HCI_BLE_CIS_ESTABLISHED_V1_EVT:
+        case HCI_BLE_CIS_ESTABLISHED_V2_EVT:
+            btu_ble_cis_established_evt(p);
+            break;
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+        case HCI_BLE_CIS_REQUEST_EVT:
+            btu_ble_cis_request_evt(p);
+            break;
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+        case HCI_BLE_BIG_CREATE_COMPLETE_EVT:
+            btu_ble_big_create_complete_evt(p);
+            break;
+        case HCI_BLE_BIG_TERMINATE_COMPLETE_EVT:
+            btu_ble_big_terminate_complete_evt(p);
+            break;
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+        case HCI_BLE_BIG_SYNC_ESTABLISHED_EVT:
+            btu_ble_big_sync_establish_evt(p);
+            break;
+        case HCI_BLE_BIG_SYNC_LOST_EVT:
+            btu_ble_big_sync_lost_evt(p);
+            break;
+        case HCI_BLE_BIGINFO_ADV_REPORT_EVT:
+            btu_ble_biginfo_adv_report_evt(p);
+            break;
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+        case HCI_BLE_CONNLESS_IQ_REPORT_EVT:
+            btu_ble_cte_connless_iq_report_evt(p);
+            break;
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+        case HCI_BLE_CONN_IQ_REPORT_EVT:
+            btu_ble_cte_conn_iq_report_evt(p);
+            break;
+        case HCI_BLE_CTE_REQUEST_FAILED_EVT:
+            btu_ble_cte_req_failed_evt(p);
+            break;
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+        case HCI_BLE_PATH_LOSS_THRESHOLD_EVT:
+            btu_ble_path_loss_threshold_evt(p);
+            break;
+        case HCI_BLE_TRANS_POWER_REPORTING_EVT:
+            btu_ble_transmit_power_report_evt(p);
+            break;
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+        case HCI_BLE_SUBRATE_CHANGE_EVT:
+            btu_ble_subrate_change_evt(p);
+            break;
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
         }
         break;
 #endif /* BLE_INCLUDED */
@@ -559,7 +727,7 @@ void btu_hcif_send_host_rdy_for_data(void)
         btsnd_hcic_host_num_xmitted_pkts (num_ents, handles, num_pkts);
     }
 }
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_inquiry_comp_evt
@@ -687,7 +855,7 @@ static void btu_hcif_connection_request_evt (UINT8 *p)
     }
 #endif /* BTM_SCO_INCLUDED */
 }
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 
 /*******************************************************************************
 **
@@ -702,6 +870,7 @@ static void btu_hcif_disconnection_comp_evt (UINT8 *p)
 {
     UINT16  handle;
     UINT8   reason;
+    BOOLEAN dev_find = FALSE;
 
     ++p;
     STREAM_TO_UINT16 (handle, p);
@@ -709,9 +878,18 @@ static void btu_hcif_disconnection_comp_evt (UINT8 *p)
 
     handle = HCID_GET_HANDLE (handle);
 
-    btm_acl_disconnected(handle, reason);
+    dev_find = btm_acl_disconnected(handle, reason);
+
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+    // Not find device. it is iso handle
+    if (!dev_find) {
+        btu_ble_cis_disconnected(handle, reason);
+    }
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
 
-    HCI_TRACE_WARNING("hcif disc complete: hdl 0x%x, rsn 0x%x", handle, reason);
+    HCI_TRACE_WARNING("hcif disc complete: hdl 0x%x, rsn 0x%x dev_find %d", handle, reason, dev_find);
+
+    UNUSED(dev_find);
 }
 
 /*******************************************************************************
@@ -736,6 +914,7 @@ static void btu_hcif_authentication_comp_evt (UINT8 *p)
 }
 #endif  ///SMP_INCLUDED == TRUE
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_rmt_name_request_comp_evt
@@ -760,7 +939,7 @@ static void btu_hcif_rmt_name_request_comp_evt (UINT8 *p, UINT16 evt_len)
     btm_sec_rmt_name_request_complete (bd_addr, p, status);
 #endif  ///SMP_INCLUDED == TRUE
 }
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 
 /*******************************************************************************
 **
@@ -786,7 +965,7 @@ static void btu_hcif_encryption_change_evt (UINT8 *p)
     btm_sec_encrypt_change (handle, status, encr_enable);
 }
 #endif  ///SMP_INCLUDED == TRUE
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_read_rmt_features_comp_evt
@@ -825,6 +1004,7 @@ static void btu_hcif_read_rmt_ext_features_comp_evt (UINT8 *p)
         btm_read_remote_ext_features_failed(status, handle);
     }
 }
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 
 /*******************************************************************************
 **
@@ -840,7 +1020,7 @@ static void btu_hcif_read_rmt_version_comp_evt (UINT8 *p)
     btm_read_remote_version_complete (p);
 }
 
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_qos_setup_comp_evt
@@ -934,6 +1114,7 @@ static void btu_hcif_esco_connection_chg_evt (UINT8 *p)
                             rx_pkt_len, tx_pkt_len);
 #endif
 }
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 
 /*******************************************************************************
 **
@@ -949,6 +1130,7 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
 {
     uint8_t status;
     switch (opcode) {
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_INQUIRY_CANCEL:
         /* Tell inquiry processing that we are done */
         btm_process_cancel_complete(HCI_SUCCESS, BTM_BR_INQUIRY_MASK);
@@ -961,37 +1143,39 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         btm_delete_stored_link_key_complete (p);
         break;
 
-    case HCI_READ_LOCAL_NAME:
-        btm_read_local_name_complete (p, evt_len);
-        break;
-
     case HCI_GET_LINK_QUALITY:
         btm_read_link_quality_complete (p);
         break;
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
+    case HCI_READ_LOCAL_NAME:
+        btm_read_local_name_complete (p, evt_len);
+        break;
     case HCI_READ_RSSI:
         btm_read_rssi_complete (p);
         break;
-
+    case HCI_BLE_READ_CHNL_MAP:
+        btm_read_channel_map_complete (p);
+        break;
     case HCI_READ_TRANSMIT_POWER_LEVEL:
+#if (BLE_HOST_READ_TX_POWER_EN == TRUE)
         btm_read_tx_power_complete(p, FALSE);
+#endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE)
         break;
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_CREATE_CONNECTION_CANCEL:
         btm_create_conn_cancel_complete(p);
         break;
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_READ_LOCAL_OOB_DATA:
 #if BTM_OOB_INCLUDED == TRUE && SMP_INCLUDED == TRUE
         btm_read_local_oob_complete(p);
 #endif
         break;
 
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_READ_INQ_TX_POWER_LEVEL:
         btm_read_linq_tx_power_complete (p);
         break;
-#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_SET_AFH_CHANNELS:
         btm_set_afh_channels_complete(p);
         break;
@@ -1055,22 +1239,26 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         break;
 
     case HCI_BLE_READ_ADV_CHNL_TX_POWER:
+#if (BLE_HOST_READ_TX_POWER_EN == TRUE)
         btm_read_tx_power_complete(p, TRUE);
+#endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE)
         break;
-
+#if (BLE_42_ADV_EN == TRUE)
     case HCI_BLE_WRITE_ADV_ENABLE:
         btm_ble_write_adv_enable_complete(p);
         break;
-
+#endif // #if (BLE_42_ADV_EN == TRUE)
     case HCI_BLE_CREATE_LL_CONN:
         btm_ble_create_ll_conn_complete(*p);
         break;
 
     case HCI_BLE_TRANSMITTER_TEST:
     case HCI_BLE_RECEIVER_TEST:
+#if ((BLE_42_DTM_TEST_EN == TRUE) || (BLE_50_DTM_TEST_EN == TRUE))
     case HCI_BLE_TEST_END:
         btm_ble_test_command_complete(p);
         break;
+#endif // #if ((BLE_42_DTM_TEST_EN == TRUE) || (BLE_50_DTM_TEST_EN == TRUE))
     case HCI_BLE_CREATE_CONN_CANCEL:
         btm_ble_create_conn_cancel_complete(p);
         break;
@@ -1105,6 +1293,7 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         break;
 #endif // #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
     case HCI_BLE_SET_EXT_ADV_PARAM:
     case HCI_BLE_SET_EXT_ADV_DATA:
     case HCI_BLE_SET_EXT_SCAN_RSP_DATA:
@@ -1113,6 +1302,7 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         HCI_TRACE_EVENT("%s opcode 0x%x status 0x%x", __func__, opcode, status);
 	    break;
     }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
     case HCI_BLE_READ_PHY: {
         uint16_t conn_handle;
         uint8_t tx_phy;
@@ -1124,11 +1314,14 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         btm_read_phy_callback(status, conn_handle, tx_phy, rx_phy);
         break;
     }
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#if (BLE_50_DTM_TEST_EN == TRUE)
     case HCI_BLE_ENH_RX_TEST:
     case HCI_BLE_ENH_TX_TEST:
         btm_ble_test_command_complete(p);
         break;
-#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#endif // #if (BLE_50_DTM_TEST_EN == TRUE)
+
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
     case HCI_BLE_SET_PERIOD_ADV_RECV_ENABLE:
     case HCI_BLE_SET_DEFAULT_PAST_PARAMS:
@@ -1143,6 +1336,59 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         break;
     }
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
+#if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+    case HCI_BLE_BIG_TERMINATE_SYNC:
+        UINT16 big_handle;
+        STREAM_TO_UINT8(status, p);
+        STREAM_TO_UINT8(big_handle, p);
+        btm_ble_big_sync_terminate_complete(status, big_handle);
+        break;
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+    case HCI_BLE_ISO_SET_DATA_PATH:
+    case HCI_BLE_ISO_REMOVE_DATA_PATH:
+        UINT16 conn_handle;
+        STREAM_TO_UINT8(status, p);
+        STREAM_TO_UINT16(conn_handle, p);
+        btm_ble_iso_data_path_update_complete(opcode, status, conn_handle);
+        break;
+    case HCI_BLE_ISO_READ_TX_SYNC:
+        btm_ble_iso_read_iso_tx_sync_complete(p);
+        break;
+    case HCI_BLE_ISO_READ_ISO_LINK_QUALITY:
+        btm_ble_iso_read_iso_link_quality_complete(p);
+        break;
+
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+    case HCI_BLE_ISO_SET_CIG_PARAMS:
+    case HCI_BLE_ISO_SET_CIG_PARAMS_TEST:
+        btm_ble_iso_set_cig_params_complete(p);
+        break;
+    case HCI_BLE_ISO_REMOVE_CIG:
+        // do nothing
+        break;
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+    case HCI_BLE_ISO_ACCEPT_CIS_REQ:
+    case HCI_BLE_ISO_REJECT_CIS_REQ:
+        // do nothing
+        break;
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_CTE_EN == TRUE)
+    case HCI_BLE_READ_ANT_INFOR:
+        btm_ble_cte_read_ant_infor_complete(p);
+        break;
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+    case HCI_BLE_ENH_READ_TRANS_POWER_LEVEL:
+        btm_enh_read_trans_pwr_level_cmpl_evt(p);
+        break;
+#endif //#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
 #endif /* (BLE_INCLUDED == TRUE) */
 
     default: {
@@ -1192,6 +1438,7 @@ static void btu_hcif_command_complete_evt(BT_HDR *response, void *context)
     uint8_t *stream = response->data + response->offset + 3;
     STREAM_TO_UINT16(opcode, stream);
     switch (opcode) {
+#if (BLE_42_ADV_EN == TRUE)
         case HCI_BLE_WRITE_ADV_DATA:
             adv_data_status = *stream;
             osi_sem_give(&adv_data_sem);
@@ -1209,6 +1456,8 @@ static void btu_hcif_command_complete_evt(BT_HDR *response, void *context)
             adv_param_status = *stream;
             osi_sem_give(&adv_param_sem);
             break;
+#endif // #if (BLE_42_ADV_EN == TRUE)
+#if (BLE_42_SCAN_EN == TRUE)
         case HCI_BLE_WRITE_SCAN_PARAMS:
             scan_param_status = *stream;
             osi_sem_give(&scan_param_sem);
@@ -1217,6 +1466,7 @@ static void btu_hcif_command_complete_evt(BT_HDR *response, void *context)
             scan_enable_status = *stream;
             osi_sem_give(&scan_enable_sem);
             break;
+#endif // #if (BLE_42_SCAN_EN == TRUE)
         default:
             break;
     }
@@ -1265,6 +1515,7 @@ static void btu_hcif_hdl_command_status (UINT16 opcode, UINT8 status, UINT8 *p_c
 #endif
 
     switch (opcode) {
+#if (CLASSIC_BT_INCLUDED == TRUE)
     case HCI_EXIT_SNIFF_MODE:
     case HCI_EXIT_PARK_MODE:
 #if BTM_SCO_WAKE_PARKED_LINK == TRUE
@@ -1284,7 +1535,9 @@ static void btu_hcif_hdl_command_status (UINT16 opcode, UINT8 status, UINT8 *p_c
     case HCI_PARK_MODE:
         btm_pm_proc_cmd_status(status);
         break;
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
     case HCI_BLE_PERIOD_ADV_CREATE_SYNC:
     {
         uint8_t btm_status = BTM_SUCCESS;
@@ -1295,6 +1548,7 @@ static void btu_hcif_hdl_command_status (UINT16 opcode, UINT8 status, UINT8 *p_c
         btm_create_sync_callback(btm_status);
         break;
     }
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
     case HCI_BLE_SET_PHY:
     {
         uint8_t btm_status = BTM_SUCCESS;
@@ -1306,6 +1560,42 @@ static void btu_hcif_hdl_command_status (UINT16 opcode, UINT8 status, UINT8 *p_c
         break;
     }
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+    case HCI_BLE_CREATE_BIG:
+    case HCI_BLE_CREATE_BIG_TEST:
+        btu_ble_create_big_cmd_status(status);
+        break;
+    case HCI_BLE_TERMINATE_BIG:
+        btu_ble_big_terminate_cmd_status(status);
+        break;
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+    case HCI_BLE_BIG_CREATE_SYNC:
+        btu_ble_create_big_sync_cmd_status(status);
+        break;
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+    case HCI_BLE_ISO_CREATE_CIS:
+        btu_ble_create_cis_cmd_status(status);
+        break;
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+    case HCI_BLE_ISO_ACCEPT_CIS_REQ:
+        btu_ble_accept_cis_req_cmd_status(status);
+        break;
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+    case HCI_BLE_READ_REMOTE_TRANS_POWER_LEVEL:
+        btm_read_remote_trans_pwr_level_cmpl(status);
+        break;
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+    case HCI_BLE_SUBRATE_REQUEST:
+        btm_subrate_req_cmd_status(status);
+        break;
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
     default:
         /* If command failed to start, we may need to tell BTM */
         if (status != HCI_SUCCESS) {
@@ -1379,6 +1669,9 @@ static void btu_hcif_hdl_command_status (UINT16 opcode, UINT8 status, UINT8 *p_c
                 break;
 
 #if BLE_INCLUDED == TRUE
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+            case HCI_BLE_EXT_CREATE_CONN:
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
             case HCI_BLE_CREATE_LL_CONN:
                 btm_ble_create_ll_conn_complete(status);
                 break;
@@ -1498,7 +1791,7 @@ static void btu_hcif_hardware_error_evt (UINT8 *p)
     }
 }
 
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_flush_occured_evt
@@ -1535,7 +1828,7 @@ static void btu_hcif_role_change_evt (UINT8 *p)
     l2c_link_role_changed (bda, role, status);
     btm_acl_role_changed(status, bda, role);
 }
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 
 /*******************************************************************************
 **
@@ -1556,7 +1849,7 @@ static void btu_hcif_num_compl_data_pkts_evt (UINT8 *p)
     btm_sco_process_num_completed_pkts (p);
 #endif
 }
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_mode_change_evt
@@ -1624,7 +1917,7 @@ static void btu_hcif_ssr_evt (UINT8 *p, UINT16 evt_len)
 
     HCI_TRACE_WARNING("hcif ssr evt: st 0x%x, hdl 0x%x, tx_lat %d rx_lat %d", status, handle, max_tx_lat, max_rx_lat);
 }
-
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_pin_code_request_evt
@@ -1635,6 +1928,7 @@ static void btu_hcif_ssr_evt (UINT8 *p, UINT16 evt_len)
 **
 *******************************************************************************/
 #if (SMP_INCLUDED == TRUE)
+#if (CLASSIC_BT_INCLUDED == TRUE)
 static void btu_hcif_pin_code_request_evt (UINT8 *p)
 {
 #if (CLASSIC_BT_INCLUDED == TRUE)
@@ -1689,9 +1983,10 @@ static void btu_hcif_link_key_notification_evt (UINT8 *p)
 
     btm_sec_link_key_notification (bda, key, key_type);
 }
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 #endif  ///SMP_INCLUDED == TRUE
 
-
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_loopback_command_evt
@@ -1867,7 +2162,7 @@ static void btu_hcif_host_support_evt (UINT8 *p)
 ** Returns          void
 **
 *******************************************************************************/
-#if (CLASSIC_BT_INCLUDED == TRUE)
+
 static void btu_hcif_io_cap_request_evt (UINT8 *p)
 {
     btm_io_capabilities_req(p);
@@ -1976,6 +2271,7 @@ static void btu_hcif_rem_oob_request_evt (UINT8 *p)
 }
 #endif
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btu_hcif_link_supv_to_changed_evt
@@ -2014,6 +2310,7 @@ static void btu_hcif_enhanced_flush_complete_evt (void)
     /* This is empty until an upper layer cares about returning event */
 }
 #endif
+#endif // #if (CLASSIC_BT_INCLUDED == TRUE)
 /**********************************************
 ** End of Simple Pairing Events
 ***********************************************/
@@ -2133,6 +2430,7 @@ static void btu_ble_phy_update_complete_evt(UINT8 *p)
 }
 
 #if BLE_PRIVACY_SPT == TRUE
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         btm_ble_resolve_random_addr_adv_ext
@@ -2153,13 +2451,17 @@ static void btm_ble_resolve_random_addr_adv_ext(void *p_rec, void *p)
         BDADDR_TO_STREAM(pp,bda);
     }
 }
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 #endif
 
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 static void btu_ble_ext_adv_report_evt(UINT8 *p, UINT16 evt_len)
 {
     tBTM_BLE_EXT_ADV_REPORT ext_adv_report = {0};
     UINT8 num_reports = {0};
+#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
     UINT8 *pp = p;
+#endif
     //UINT8 legacy_event_type = 0;
     UINT16 evt_type = 0;
     uint8_t addr_type;
@@ -2233,7 +2535,9 @@ static void btu_ble_ext_adv_report_evt(UINT8 *p, UINT16 evt_len)
     }
 
 }
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 static void btu_ble_periodic_adv_sync_establish_evt(UINT8 *p)
 {
     tBTM_BLE_PERIOD_ADV_SYNC_ESTAB sync_estab = {0};
@@ -2274,7 +2578,7 @@ static void btu_ble_periodic_adv_report_evt(UINT8 *p, UINT8 evt_len)
     STREAM_TO_UINT16(adv_report.sync_handle, p);
     STREAM_TO_UINT8(adv_report.tx_power, p);
     STREAM_TO_UINT8(adv_report.rssi, p);
-    STREAM_TO_UINT8(unused, p);
+    STREAM_TO_UINT8(adv_report.cte_type, p);
     STREAM_TO_UINT8(adv_report.data_status, p);
     STREAM_TO_UINT8(adv_report.data_length, p);
 
@@ -2306,14 +2610,18 @@ static void btu_ble_periodic_adv_sync_lost_evt(UINT8 *p)
 
     btm_ble_periodic_adv_sync_lost_evt(&sync_lost);
 }
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
 
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 static void btu_ble_scan_timeout_evt(UINT8 *p)
 {
     UNUSED(p);
 
     btm_ble_scan_timeout_evt();
 }
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 static void btu_ble_adv_set_terminate_evt(UINT8 *p)
 {
     tBTM_BLE_ADV_TERMINAT adv_term = {0};
@@ -2346,6 +2654,22 @@ static void btu_ble_scan_req_received_evt(UINT8 *p)
 
     btm_ble_scan_req_received_evt(&req_received);
 }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
+
+static void btu_ble_channel_select_alg_evt(UINT8 *p)
+{
+    tBTM_BLE_CHANNEL_SEL_ALG chan_sel_alg = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT16(chan_sel_alg.conn_handle, p);
+    STREAM_TO_UINT8(chan_sel_alg.channel_sel_alg, p);
+
+    btm_ble_channel_select_algorithm_evt(&chan_sel_alg);
+}
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
@@ -2380,6 +2704,384 @@ static void btu_ble_periodic_adv_sync_trans_recv(UINT8 *p)
 }
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+#if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+static void btu_ble_create_cis_cmd_status(UINT8 status)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (status != HCI_SUCCESS) {
+        status = (BTM_HCI_ERROR | status);
+    }
+    cb_params.status = status;
+    btm_ble_create_cis_cmd_status(&cb_params);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+static void btu_ble_accept_cis_req_cmd_status(UINT8 status)
+{
+    tBTM_BLE_ISO_CB_PARAMS cb_params = {0};
+    if (status != HCI_SUCCESS) {
+        status = (BTM_HCI_ERROR | status);
+    }
+    cb_params.status = status;
+
+    btm_ble_accept_cis_req_cmd_status(&cb_params);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+static void btu_ble_cis_disconnected(UINT16 handle, UINT8 reason)
+{
+    tBTM_BLE_CIS_DISCON_CMPL cis_disconnected_evt = {0};
+    cis_disconnected_evt.cis_handle = handle;
+    cis_disconnected_evt.reason = reason;
+    btm_ble_cis_disconnected_evt(&cis_disconnected_evt);
+}
+
+static void btu_ble_cis_established_evt(UINT8 *p)
+{
+    HCI_TRACE_DEBUG("%s", __func__);
+    tBTM_BLE_CIS_ESTABLISHED_CMPL cis_estab_evt = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(cis_estab_evt.status, p);
+    STREAM_TO_UINT16(cis_estab_evt.conn_handle, p);
+    STREAM_TO_UINT24(cis_estab_evt.cig_sync_delay, p);
+    STREAM_TO_UINT24(cis_estab_evt.cis_sync_delay, p);
+    STREAM_TO_UINT24(cis_estab_evt.trans_lat_c_to_p, p);
+    STREAM_TO_UINT24(cis_estab_evt.trans_lat_p_to_c, p);
+    STREAM_TO_UINT8(cis_estab_evt.phy_c_to_p, p);
+    STREAM_TO_UINT8(cis_estab_evt.phy_p_to_c, p);
+    STREAM_TO_UINT8(cis_estab_evt.nse, p);
+    STREAM_TO_UINT8(cis_estab_evt.bn_c_to_p, p);
+    STREAM_TO_UINT8(cis_estab_evt.bn_p_to_c, p);
+    STREAM_TO_UINT8(cis_estab_evt.ft_c_to_p, p);
+    STREAM_TO_UINT8(cis_estab_evt.ft_p_to_c, p);
+    STREAM_TO_UINT16(cis_estab_evt.max_pdu_c_to_p, p);
+    STREAM_TO_UINT16(cis_estab_evt.max_pdu_p_to_c, p);
+    STREAM_TO_UINT16(cis_estab_evt.iso_interval, p);
+#if (BLE_FEAT_ISO_60_EN == TRUE)
+    STREAM_TO_UINT24(cis_estab_evt.sub_interval, p);
+    STREAM_TO_UINT16(cis_estab_evt.max_sdu_c_to_p, p);
+    STREAM_TO_UINT16(cis_estab_evt.max_sdu_p_to_c, p);
+    STREAM_TO_UINT24(cis_estab_evt.sdu_int_c_to_p, p);
+    STREAM_TO_UINT24(cis_estab_evt.sdu_int_p_to_c, p);
+    STREAM_TO_UINT8(cis_estab_evt.framing, p);
+#endif // #if (BLE_FEAT_ISO_60_EN == TRUE)
+
+    btm_ble_cis_established_evt(&cis_estab_evt);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+static void btu_ble_cis_request_evt(UINT8 *p)
+{
+    HCI_TRACE_DEBUG("%s", __func__);
+    tBTM_BLE_CIS_REQUEST_CMPL cis_req_evt = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT16(cis_req_evt.acl_handle, p);
+    STREAM_TO_UINT16(cis_req_evt.cis_handle, p);
+    STREAM_TO_UINT8(cis_req_evt.cig_id, p);
+    STREAM_TO_UINT8(cis_req_evt.cis_id, p);
+
+
+    btm_ble_cis_request_evt(&cis_req_evt);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+void btu_ble_create_big_cmd_status(UINT8 status)
+{
+    if (status != HCI_SUCCESS) {
+        tBTM_BLE_BIG_CREATE_CMPL big_cmpl = {0};
+        btm_ble_big_create_cmpl_evt(&big_cmpl);
+    }
+}
+
+static void btu_ble_big_create_complete_evt(UINT8 *p)
+{
+    HCI_TRACE_DEBUG("%s", __func__);
+    tBTM_BLE_BIG_CREATE_CMPL big_cmpl = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(big_cmpl.status, p);
+    STREAM_TO_UINT8(big_cmpl.big_handle, p);
+    STREAM_TO_UINT24(big_cmpl.big_sync_delay, p);
+    STREAM_TO_UINT24(big_cmpl.transport_latency, p);
+    STREAM_TO_UINT8(big_cmpl.phy, p);
+    STREAM_TO_UINT8(big_cmpl.nse, p);
+    STREAM_TO_UINT8(big_cmpl.bn, p);
+    STREAM_TO_UINT8(big_cmpl.pto, p);
+    STREAM_TO_UINT8(big_cmpl.irc, p);
+    STREAM_TO_UINT16(big_cmpl.max_pdu, p);
+    STREAM_TO_UINT16(big_cmpl.iso_interval, p);
+    STREAM_TO_UINT8(big_cmpl.num_bis, p);
+    for (uint8_t i = 0; i < big_cmpl.num_bis; i++)
+    {
+        STREAM_TO_UINT16(big_cmpl.bis_handle[i], p);
+        // only 12 bits meaningful
+        big_cmpl.bis_handle[i] = (big_cmpl.bis_handle[i] & 0x0FFF);
+    }
+
+    btm_ble_big_create_cmpl_evt(&big_cmpl);
+}
+
+void btu_ble_big_terminate_cmd_status(UINT8 status)
+{
+    if (status != HCI_SUCCESS) {
+        tBTM_BLE_BIG_TERMINATE_CMPL big_term = {0};
+        big_term.status = (status | BTM_HCI_ERROR);
+        btm_ble_big_terminate_cmpl_evt(&big_term);
+    }
+}
+
+static void btu_ble_big_terminate_complete_evt(UINT8 *p)
+{
+    tBTM_BLE_BIG_TERMINATE_CMPL big_term = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(big_term.big_handle, p);
+    STREAM_TO_UINT8(big_term.reason, p);
+    big_term.status = HCI_SUCCESS;
+
+    btm_ble_big_terminate_cmpl_evt(&big_term);
+}
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+void btu_ble_create_big_sync_cmd_status(UINT8 status)
+{
+    if (status != HCI_SUCCESS) {
+        tBTM_BLE_BIG_SYNC_ESTAB_CMPL big_estb = {0};
+        big_estb.status = status;
+        btm_ble_big_sync_estab_evt(&big_estb);
+    }
+}
+
+static void btu_ble_big_sync_establish_evt(UINT8 *p)
+{
+    tBTM_BLE_BIG_SYNC_ESTAB_CMPL big_estb = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(big_estb.status, p);
+    STREAM_TO_UINT8(big_estb.big_handle, p);
+    STREAM_TO_UINT24(big_estb.transport_latency_big, p);
+    STREAM_TO_UINT8(big_estb.nse, p);
+    STREAM_TO_UINT8(big_estb.bn, p);
+    STREAM_TO_UINT8(big_estb.pto, p);
+    STREAM_TO_UINT8(big_estb.irc, p);
+    STREAM_TO_UINT16(big_estb.max_pdu, p);
+    STREAM_TO_UINT16(big_estb.iso_interval, p);
+    STREAM_TO_UINT8(big_estb.num_bis, p);
+    for (uint8_t i = 0; i < big_estb.num_bis; i++)
+    {
+        STREAM_TO_UINT16(big_estb.bis_handle[i], p);
+    }
+
+    btm_ble_big_sync_estab_evt(&big_estb);
+}
+
+static void btu_ble_big_sync_lost_evt(UINT8 *p)
+{
+    tBTM_BLE_BIG_SYNC_LOST_EVT big_sync_lost = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(big_sync_lost.big_handle, p);
+    STREAM_TO_UINT8(big_sync_lost.reason, p);
+
+    btm_ble_big_sync_lost_evt(&big_sync_lost);
+}
+
+static void btu_ble_biginfo_adv_report_evt(UINT8 *p)
+{
+    tBTM_BLE_BIGINFO_ADV_REPORT_EVT biginfo_report = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT16(biginfo_report.sync_handle, p);
+    STREAM_TO_UINT8(biginfo_report.num_bis, p);
+    STREAM_TO_UINT8(biginfo_report.nse, p);
+    STREAM_TO_UINT16(biginfo_report.iso_interval, p);
+    STREAM_TO_UINT8(biginfo_report.bn, p);
+    STREAM_TO_UINT8(biginfo_report.pto, p);
+    STREAM_TO_UINT8(biginfo_report.irc, p);
+    STREAM_TO_UINT16(biginfo_report.max_pdu, p);
+    STREAM_TO_UINT24(biginfo_report.sdu_interval, p);
+    STREAM_TO_UINT16(biginfo_report.max_sdu, p);
+    STREAM_TO_UINT8(biginfo_report.phy, p);
+    STREAM_TO_UINT8(biginfo_report.framing, p);
+    STREAM_TO_UINT8(biginfo_report.encryption, p);
+
+    btm_ble_biginfo_adv_report_evt(&biginfo_report);
+}
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+static void btu_ble_cte_connless_iq_report_evt(UINT8 *p)
+{
+    tBTM_BLE_CTE_CONNLESS_IQ_REPORT_EVT connless_iq_rpt = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT16(connless_iq_rpt.sync_handle, p);
+    STREAM_TO_UINT8(connless_iq_rpt.channel_idx, p);
+    STREAM_TO_UINT16(connless_iq_rpt.rssi, p);
+    STREAM_TO_UINT8(connless_iq_rpt.rssi_ant_id, p);
+    STREAM_TO_UINT8(connless_iq_rpt.cte_type, p);
+    STREAM_TO_UINT8(connless_iq_rpt.slot_dur, p);
+    STREAM_TO_UINT8(connless_iq_rpt.pkt_status, p);
+    STREAM_TO_UINT16(connless_iq_rpt.periodic_evt_counter, p);
+    STREAM_TO_UINT8(connless_iq_rpt.sample_count, p);
+
+    for (uint8_t i = 0; i < connless_iq_rpt.sample_count; i++)
+    {
+        STREAM_TO_UINT8(connless_iq_rpt.i_sample[i], p);
+        STREAM_TO_UINT8(connless_iq_rpt.q_sample[i], p);
+    }
+
+    btm_ble_connless_iq_report_evt(&connless_iq_rpt);
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+static void btu_ble_cte_conn_iq_report_evt(UINT8 *p)
+{
+    tBTM_BLE_CTE_CONN_IQ_REPORT_EVT conn_iq_rpt = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT16(conn_iq_rpt.conn_handle, p);
+    STREAM_TO_UINT8(conn_iq_rpt.rx_phy, p);
+    STREAM_TO_UINT8(conn_iq_rpt.data_channel_idx, p);
+    STREAM_TO_UINT16(conn_iq_rpt.rssi, p);
+    STREAM_TO_UINT8(conn_iq_rpt.rssi_ant_id, p);
+    STREAM_TO_UINT8(conn_iq_rpt.cte_type, p);
+    STREAM_TO_UINT8(conn_iq_rpt.slot_dur, p);
+    STREAM_TO_UINT8(conn_iq_rpt.pkt_status, p);
+    STREAM_TO_UINT16(conn_iq_rpt.conn_evt_counter, p);
+    STREAM_TO_UINT8(conn_iq_rpt.sample_count, p);
+
+    for (uint8_t i = 0; i < conn_iq_rpt.sample_count; i++)
+    {
+        STREAM_TO_UINT8(conn_iq_rpt.i_sample[i], p);
+        STREAM_TO_UINT8(conn_iq_rpt.q_sample[i], p);
+    }
+
+    btm_ble_conn_iq_report_evt(&conn_iq_rpt);
+}
+
+static void btu_ble_cte_req_failed_evt(UINT8 *p)
+{
+    tBTM_BLE_CTE_REQ_FAILED_EVT cte_req_failed = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(cte_req_failed.status, p);
+    STREAM_TO_UINT16(cte_req_failed.conn_handle, p);
+
+    btm_ble_cte_req_failed_evt(&cte_req_failed);
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+static void btu_ble_path_loss_threshold_evt(UINT8 *p)
+{
+    tBTM_BLE_PATH_LOSS_THRESHOLD_EVT path_loss_thres_evt = {0};
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT16(path_loss_thres_evt.conn_handle, p);
+    STREAM_TO_UINT8(path_loss_thres_evt.cur_path_loss, p);
+    STREAM_TO_UINT8(path_loss_thres_evt.zone_entered, p);
+
+    btm_ble_path_loss_threshold_evt(&path_loss_thres_evt);
+}
+
+static void btu_ble_transmit_power_report_evt(UINT8 *p)
+{
+    tBTM_BLE_TRANS_POWER_REPORT_EVT trans_pwr_report_evt = {0};
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(trans_pwr_report_evt.status, p);
+    STREAM_TO_UINT16(trans_pwr_report_evt.conn_handle, p);
+    STREAM_TO_UINT8(trans_pwr_report_evt.reason, p);
+    STREAM_TO_UINT8(trans_pwr_report_evt.phy, p);
+    STREAM_TO_UINT8(trans_pwr_report_evt.tx_power_level, p);
+    STREAM_TO_UINT8(trans_pwr_report_evt.tx_power_level_flag, p);
+    STREAM_TO_UINT8(trans_pwr_report_evt.delta, p);
+
+    btm_ble_transmit_power_report_evt(&trans_pwr_report_evt);
+}
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+static void btu_ble_subrate_change_evt(UINT8 *p)
+{
+    tBTM_BLE_SUBRATE_CHANGE_EVT subrate_change_evt = {0};
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT8(subrate_change_evt.status, p);
+    STREAM_TO_UINT16(subrate_change_evt.conn_handle, p);
+    STREAM_TO_UINT16(subrate_change_evt.subrate_factor, p);
+    STREAM_TO_UINT16(subrate_change_evt.peripheral_latency, p);
+    STREAM_TO_UINT16(subrate_change_evt.continuation_number, p);
+    STREAM_TO_UINT16(subrate_change_evt.supervision_timeout, p);
+
+    btm_ble_subrate_change_evt(&subrate_change_evt);
+}
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
 /**********************************************
 ** End of BLE Events Handler
 ***********************************************/
diff --git a/lib/bt/host/bluedroid/stack/btu/btu_init.c b/lib/bt/host/bluedroid/stack/btu/btu_init.c
index 9ede9c2d..a00b3243 100644
--- a/lib/bt/host/bluedroid/stack/btu/btu_init.c
+++ b/lib/bt/host/bluedroid/stack/btu/btu_init.c
@@ -254,17 +254,6 @@ UINT16 BTU_BleAclPktSize(void)
 #endif
 }
 
-#if SCAN_QUEUE_CONGEST_CHECK
-bool BTU_check_queue_is_congest(void)
-{
-    if (osi_thread_queue_wait_size(btu_thread, 0) >= BT_QUEUE_CONGEST_SIZE) {
-        return true;
-    }
-
-    return false;
-}
-#endif
-
 int get_btu_work_queue_size(void)
 {
     return osi_thread_queue_wait_size(btu_thread, 0);
diff --git a/lib/bt/host/bluedroid/stack/btu/btu_task.c b/lib/bt/host/bluedroid/stack/btu/btu_task.c
index 9311a36d..bffa6837 100644
--- a/lib/bt/host/bluedroid/stack/btu/btu_task.c
+++ b/lib/bt/host/bluedroid/stack/btu/btu_task.c
@@ -229,11 +229,13 @@ bool btu_task_post(uint32_t sig, void *param, uint32_t timeout)
             break;
         case SIG_BTU_HCI_ADV_RPT_MSG:
 #if BLE_INCLUDED == TRUE
+#if (BLE_42_SCAN_EN == TRUE)
             if (param != NULL) {
                 btm_ble_adv_pkt_post(param);
             }
             btm_ble_adv_pkt_ready();
             status = true;
+#endif // #if (BLE_42_SCAN_EN == TRUE)
 #else
             osi_free(param);
             status = false;
@@ -451,7 +453,7 @@ void btu_start_timer(TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout_sec)
     // NOTE: This value is in seconds but stored in a ticks field.
     p_tle->ticks = timeout_sec;
     p_tle->in_use = TRUE;
-    osi_alarm_set(alarm, (period_ms_t)(timeout_sec * 1000));
+    osi_alarm_set(alarm, (period_ms_t)((period_ms_t)timeout_sec * 1000));
 }
 
 
diff --git a/lib/bt/host/bluedroid/stack/gatt/gatt_api.c b/lib/bt/host/bluedroid/stack/gatt/gatt_api.c
index 8d8056f6..51e46e22 100644
--- a/lib/bt/host/bluedroid/stack/gatt/gatt_api.c
+++ b/lib/bt/host/bluedroid/stack/gatt/gatt_api.c
@@ -75,7 +75,7 @@ UINT8 GATT_SetTraceLevel (UINT8 new_level)
 **
 ** Function         GATTS_AddHandleRange
 **
-** Description      This function add the allocated handles range for the specifed
+** Description      This function add the allocated handles range for the specified
 **                  application UUID, service UUID and service instance
 **
 ** Parameter        p_hndl_range:   pointer to allocated handles information
@@ -105,7 +105,7 @@ BOOLEAN GATTS_AddHandleRange(tGATTS_HNDL_RANGE *p_hndl_range)
 **                  NV save callback function.  There can be one and only one
 **                  NV save callback function.
 **
-** Parameter        p_cb_info : callback informaiton
+** Parameter        p_cb_info : callback information
 **
 ** Returns          TRUE if registered OK, else FALSE
 **
@@ -151,7 +151,7 @@ static void gatt_update_for_database_change(void)
 **                  num_handles   : number of handles needed by the service.
 **                  is_pri        : is a primary service or not.
 **
-** Returns          service handle if sucessful, otherwise 0.
+** Returns          service handle if successful, otherwise 0.
 **
 *******************************************************************************/
 UINT16 GATTS_CreateService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid,
@@ -170,7 +170,7 @@ UINT16 GATTS_CreateService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid,
     GATT_TRACE_API ("GATTS_CreateService\n" );
 
     if (p_reg == NULL) {
-        GATT_TRACE_ERROR ("Inavlid gatt_if=%d\n", gatt_if);
+        GATT_TRACE_ERROR ("Invalid gatt_if=%d\n", gatt_if);
         return (0);
     }
 
@@ -491,7 +491,7 @@ tGATT_STATUS GATTS_StartService (tGATT_IF gatt_if, UINT16 service_handle,
         return GATT_SERVICE_STARTED;
     }
 
-    /*this is a new application servoce start */
+    /*this is a new application service start */
     if ((i_sreg = gatt_sr_alloc_rcb(p_list)) ==  GATT_MAX_SR_PROFILES) {
         GATT_TRACE_ERROR ("GATTS_StartService: no free server registration block");
         return GATT_NO_RESOURCES;
@@ -1388,8 +1388,9 @@ void GATT_Deregister (tGATT_IF gatt_if)
             }
         }
     }
-
+#if (tGATT_BG_CONN_DEV == TRUE)
     gatt_deregister_bgdev_list(gatt_if);
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     /* update the listen mode */
 #if (defined(BLE_PERIPHERAL_MODE_SUPPORT) && (BLE_PERIPHERAL_MODE_SUPPORT == TRUE))
     GATT_Listen(gatt_if, FALSE, NULL);
@@ -1468,9 +1469,12 @@ BOOLEAN GATT_Connect (tGATT_IF gatt_if, BD_ADDR bd_addr, tBLE_ADDR_TYPE bd_addr_
     if (is_direct) {
         status = gatt_act_connect (p_reg, bd_addr, bd_addr_type, transport, is_aux);
     } else {
+#if (tGATT_BG_CONN_DEV == TRUE)
         if (transport == BT_TRANSPORT_LE) {
             status = gatt_update_auto_connect_dev(gatt_if, TRUE, bd_addr, TRUE);
-        } else {
+        } else
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
+        {
             GATT_TRACE_ERROR("Unsupported transport for background connection");
         }
     }
@@ -1483,7 +1487,7 @@ BOOLEAN GATT_Connect (tGATT_IF gatt_if, BD_ADDR bd_addr, tBLE_ADDR_TYPE bd_addr_
 **
 ** Function         GATT_CancelConnect
 **
-** Description      This function terminate the connection initaition to a remote
+** Description      This function terminate the connection initiation to a remote
 **                  device on GATT channel.
 **
 ** Parameters       gatt_if: client interface. If 0 used as unconditionally disconnect,
@@ -1527,6 +1531,7 @@ BOOLEAN GATT_CancelConnect (tGATT_IF gatt_if, BD_ADDR bd_addr, BOOLEAN is_direct
             status = gatt_cancel_open(gatt_if, bd_addr);
         }
     } else {
+#if (tGATT_BG_CONN_DEV == TRUE)
         if (!gatt_if) {
             if (gatt_get_num_apps_for_bg_dev(bd_addr)) {
                 while (gatt_find_app_for_bg_dev(bd_addr, &temp_gatt_if)) {
@@ -1539,6 +1544,7 @@ BOOLEAN GATT_CancelConnect (tGATT_IF gatt_if, BD_ADDR bd_addr, BOOLEAN is_direct
         } else {
             status = gatt_remove_bg_dev_for_app(gatt_if, bd_addr);
         }
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     }
 
     return status;
@@ -1628,7 +1634,7 @@ tGATT_STATUS GATT_SendServiceChangeIndication (BD_ADDR bd_addr)
 **
 ** Function         GATT_GetConnectionInfor
 **
-** Description      This function use conn_id to find its associated BD address and applciation
+** Description      This function use conn_id to find its associated BD address and application
 **                  interface
 **
 ** Parameters        conn_id: connection id  (input)
@@ -1665,7 +1671,7 @@ BOOLEAN GATT_GetConnectionInfor(UINT16 conn_id, tGATT_IF *p_gatt_if, BD_ADDR bd_
 ** Function         GATT_GetConnIdIfConnected
 **
 ** Description      This function find the conn_id if the logical link for BD address
-**                  and applciation interface is connected
+**                  and application interface is connected
 **
 ** Parameters        gatt_if: application interface (input)
 **                   bd_addr: peer device address. (input)
@@ -1720,7 +1726,9 @@ BOOLEAN GATT_Listen (tGATT_IF gatt_if, BOOLEAN start, BD_ADDR_PTR bd_addr)
     }
 
     if (bd_addr != NULL) {
+#if (tGATT_BG_CONN_DEV == TRUE)
         gatt_update_auto_connect_dev(gatt_if, start, bd_addr, FALSE);
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     } else {
         p_reg->listening = start ? GATT_LISTEN_TO_ALL : GATT_LISTEN_TO_NONE;
     }
diff --git a/lib/bt/host/bluedroid/stack/gatt/gatt_db.c b/lib/bt/host/bluedroid/stack/gatt/gatt_db.c
index efae6413..8844ef5d 100644
--- a/lib/bt/host/bluedroid/stack/gatt/gatt_db.c
+++ b/lib/bt/host/bluedroid/stack/gatt/gatt_db.c
@@ -60,7 +60,7 @@ static BOOLEAN gatts_add_char_desc_value_check (tGATT_ATTR_VAL *attr_val, tGATTS
 ** Parameter        p_db: database pointer.
 **                  len: size of the memory space.
 **
-** Returns          Status of te operation.
+** Returns          Status of the operation.
 **
 *******************************************************************************/
 BOOLEAN gatts_init_service_db (tGATT_SVC_DB *p_db, tBT_UUID *p_service,  BOOLEAN is_pri,
@@ -94,7 +94,7 @@ BOOLEAN gatts_init_service_db (tGATT_SVC_DB *p_db, tBT_UUID *p_service,  BOOLEAN
 ** Parameter        p_db: database pointer.
 **                  len: size of the memory space.
 **
-** Returns          Status of te operation.
+** Returns          Status of the operation.
 **
 *******************************************************************************/
 tBT_UUID *gatts_get_service_uuid (tGATT_SVC_DB *p_db)
@@ -497,14 +497,14 @@ UINT16 gatts_add_included_service (tGATT_SVC_DB *p_db, UINT16 s_handle, UINT16 e
 ** Function         gatts_add_characteristic
 **
 ** Description      This function add a characteristics and its descriptor into
-**                  a servce identified by the service database pointer.
+**                  a service identified by the service database pointer.
 **
 ** Parameter        p_db: database pointer.
 **                  perm: permission (authentication and key size requirements)
 **                  property: property of the characteristic.
 **                  p_char: characteristic value information.
 **
-** Returns          Status of te operation.
+** Returns          Status of the operation.
 **
 *******************************************************************************/
 UINT16 gatts_add_characteristic (tGATT_SVC_DB *p_db, tGATT_PERM perm,
@@ -1173,40 +1173,40 @@ tGATT_STATUS gatts_write_attr_perm_check (tGATT_SVC_DB *p_db, UINT8 op_code,
 
                 if ((op_code == GATT_SIGN_CMD_WRITE) && !(perm & GATT_WRITE_SIGNED_PERM)) {
                     status = GATT_WRITE_NOT_PERMIT;
-                    GATT_TRACE_DEBUG( "gatts_write_attr_perm_check - sign cmd write not allowed,handle:0x%04x",handle);
+                    GATT_TRACE_DEBUG( "gatts_write_attr_perm_check - sign cmd write not allowed,handle %04x,perm %04x", handle, perm);
                 }
                 if ((op_code == GATT_SIGN_CMD_WRITE) && (sec_flag & GATT_SEC_FLAG_ENCRYPTED)) {
                     status = GATT_INVALID_PDU;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - Error!! sign cmd write sent on a encypted link,handle:0x%04x",handle);
+                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - Error!! sign cmd write sent on a encrypted link,handle %04x,perm %04x", handle, perm);
                 } else if (!(perm & GATT_WRITE_ALLOWED)) {
                     status = GATT_WRITE_NOT_PERMIT;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_WRITE_NOT_PERMIT,handle:0x%04x",handle);
+                    GATT_TRACE_ERROR("gatts_write_attr_perm_check - GATT_WRITE_NOT_PERMIT,handle %04x, perm %04x", handle, perm);
                 }
                 /* require authentication, but not been authenticated */
                 else if ((perm & GATT_WRITE_AUTH_REQUIRED ) && !(sec_flag & GATT_SEC_FLAG_LKEY_UNAUTHED)) {
                     status = GATT_INSUF_AUTHENTICATION;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHENTICATION,handle:0x%04x",handle);
+                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHENTICATION,handle %04x, perm %04x", handle, perm);
                 } else if ((perm & GATT_WRITE_MITM_REQUIRED ) && !(sec_flag & GATT_SEC_FLAG_LKEY_AUTHED)) {
                     status = GATT_INSUF_AUTHENTICATION;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHENTICATION: MITM required,handle:0x%04x",handle);
+                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHENTICATION: MITM required,handle %04x,perm %04x", handle, perm);
                 } else if ((perm & GATT_WRITE_ENCRYPTED_PERM ) && !(sec_flag & GATT_SEC_FLAG_ENCRYPTED)) {
                     status = GATT_INSUF_ENCRYPTION;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_ENCRYPTION,handle:0x%04x",handle);
+                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_ENCRYPTION,handle:0x%04x, perm:0x%04x", handle, perm);
                 } else if ((perm & GATT_WRITE_ENCRYPTED_PERM ) && (sec_flag & GATT_SEC_FLAG_ENCRYPTED) && (key_size < min_key_size)) {
                     status = GATT_INSUF_KEY_SIZE;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_KEY_SIZE,handle:0x%04x",handle);
+                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_KEY_SIZE,handle %04x,perm %04x", handle, perm);
                 }
                 /* LE Authorization check*/
                 else if ((perm & GATT_WRITE_AUTHORIZATION) && (!(sec_flag & GATT_SEC_FLAG_LKEY_AUTHED) || !(sec_flag & GATT_SEC_FLAG_AUTHORIZATION))){
                     status = GATT_INSUF_AUTHORIZATION;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHORIZATION,handle:0x%04x",handle);
+                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHORIZATION,handle %04x,perm %04x", handle, perm);
                 }
                 /* LE security mode 2 attribute  */
                 else if (perm & GATT_WRITE_SIGNED_PERM && op_code != GATT_SIGN_CMD_WRITE && !(sec_flag & GATT_SEC_FLAG_ENCRYPTED)
                          &&  (perm & GATT_WRITE_ALLOWED) == 0) {
                     status = GATT_INSUF_AUTHENTICATION;
-                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHENTICATION: LE security mode 2 required,handle:0x%04x",handle);
-                } else { /* writable: must be char value declaration or char descritpors */
+                    GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INSUF_AUTHENTICATION: LE security mode 2 required,handle %04x,perm %04x", handle, perm);
+                } else { /* writable: must be char value declaration or char descriptors */
                     if (p_attr->uuid_type == GATT_ATTR_UUID_TYPE_16) {
                         switch (p_attr->uuid) {
                         case GATT_UUID_CHAR_PRESENT_FORMAT:/* should be readable only */
@@ -1215,13 +1215,19 @@ tGATT_STATUS gatts_write_attr_perm_check (tGATT_SVC_DB *p_db, UINT8 op_code,
                         case GATT_UUID_CHAR_VALID_RANGE:
                             status = GATT_WRITE_NOT_PERMIT;
                             break;
-
+                        case GATT_UUID_GAP_ICON:/* The Appearance characteristic value shall be 2 octets in length */
                         case GATT_UUID_CHAR_CLIENT_CONFIG:
                         /* coverity[MISSING_BREAK] */
                         /* intnended fall through, ignored */
                         /* fall through */
                         case GATT_UUID_CHAR_SRVR_CONFIG:
                             max_size = 2;
+                            status = GATT_SUCCESS;
+                            break;
+                        case GATT_UUID_CLIENT_SUP_FEAT:
+                            max_size = 1;
+                            status = GATT_SUCCESS;
+                            break;
                         case GATT_UUID_CHAR_DESCRIPTION:
                         default: /* any other must be character value declaration */
                             status = GATT_SUCCESS;
@@ -1242,17 +1248,17 @@ tGATT_STATUS gatts_write_attr_perm_check (tGATT_SVC_DB *p_db, UINT8 op_code,
                     else if ( (p_attr->uuid_type == GATT_ATTR_UUID_TYPE_16) &&
                               (p_attr->uuid == GATT_UUID_CHAR_CLIENT_CONFIG ||
                                p_attr->uuid == GATT_UUID_CHAR_SRVR_CONFIG   ||
-                               p_attr->uuid == GATT_UUID_CLIENT_SUP_FEAT    || 
+                               p_attr->uuid == GATT_UUID_CLIENT_SUP_FEAT    ||
                                p_attr->uuid == GATT_UUID_GAP_ICON
                                ) )
 // btla-specific --
                     {
                         if (op_code == GATT_REQ_PREPARE_WRITE) { /* does not allow write blob */
                             status = GATT_REQ_NOT_SUPPORTED;
-                            GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_REQ_NOT_SUPPORTED,handle:0x%04x",handle);
+                            GATT_TRACE_ERROR("gatts_write_attr_perm_check - GATT_REQ_NOT_SUPPORTED,handle %04x,opcode %4x", handle, op_code);
                         } else if (len != max_size) { /* data does not match the required format */
                             status = GATT_INVALID_ATTR_LEN;
-                            GATT_TRACE_ERROR( "gatts_write_attr_perm_check - GATT_INVALID_ATTR_LEN,handle:0x%04x",handle);
+                            GATT_TRACE_ERROR("gatts_write_attr_perm_check - GATT_INVALID_ATTR_LEN,handle %04x,op_code %04x,len %d,max_size %d", handle, op_code, len, max_size);
                         } else {
                             status = GATT_SUCCESS;
                         }
@@ -1554,7 +1560,7 @@ static BOOLEAN gatts_db_add_service_declaration(tGATT_SVC_DB *p_db, tBT_UUID *p_
         uuid.uu.uuid16 = GATT_UUID_SEC_SERVICE;
     }
 
-    /* add service declration record */
+    /* add service declaration record */
     if ((p_attr = (tGATT_ATTR16 *)(allocate_attr_in_db(p_db, &uuid, GATT_PERM_READ))) != NULL) {
         if (copy_extra_byte_in_db (p_db, (void **)&p_attr->p_value, sizeof(tBT_UUID))) {
             if (p_service->len == LEN_UUID_16) {
diff --git a/lib/bt/host/bluedroid/stack/gatt/gatt_main.c b/lib/bt/host/bluedroid/stack/gatt/gatt_main.c
index d76aefe9..53d9be74 100644
--- a/lib/bt/host/bluedroid/stack/gatt/gatt_main.c
+++ b/lib/bt/host/bluedroid/stack/gatt/gatt_main.c
@@ -502,7 +502,7 @@ static void gatt_le_connect_cback (UINT16 chan, BD_ADDR bd_addr, BOOLEAN connect
 #endif  ///GATTS_INCLUDED == TRUE
                 }
             } else {
-                GATT_TRACE_ERROR("CCB max out, no rsources");
+                GATT_TRACE_ERROR("CCB max out, no resources");
             }
         }
     } else {
@@ -929,18 +929,23 @@ static void gatt_send_conn_cback(tGATT_TCB *p_tcb)
 {
     UINT8               i;
     tGATT_REG           *p_reg;
+#if (tGATT_BG_CONN_DEV == TRUE)
     tGATT_BG_CONN_DEV   *p_bg_dev = NULL;
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     UINT16              conn_id;
 
+#if (tGATT_BG_CONN_DEV == TRUE)
     p_bg_dev = gatt_find_bg_dev(p_tcb->peer_bda);
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
 
     /* notifying all applications for the connection up event */
     for (i = 0,  p_reg = gatt_cb.cl_rcb ; i < GATT_MAX_APPS; i++, p_reg++) {
         if (p_reg->in_use) {
+#if (tGATT_BG_CONN_DEV == TRUE)
             if (p_bg_dev && gatt_is_bg_dev_for_app(p_bg_dev, p_reg->gatt_if)) {
                 gatt_update_app_use_link_flag(p_reg->gatt_if, p_tcb, TRUE, TRUE);
             }
-
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
             if (p_reg->app_cb.p_conn_cb) {
                 conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_reg->gatt_if);
                 (*p_reg->app_cb.p_conn_cb)(p_reg->gatt_if, p_tcb->peer_bda, conn_id,
@@ -1239,7 +1244,8 @@ uint8_t gatt_tcb_active_count(void)
 
     for(p_node = list_begin(gatt_cb.p_tcb_list); p_node; p_node = list_next(p_node)) {
         p_tcb = list_node(p_node);
-        if (p_tcb && p_tcb->in_use && (p_tcb->ch_state != GATT_CH_CLOSE)) {
+        if (p_tcb && p_tcb->in_use && (p_tcb->transport == BT_TRANSPORT_LE) &&
+            (p_tcb->ch_state != GATT_CH_CLOSE)) {
             count++;
         }
     }
diff --git a/lib/bt/host/bluedroid/stack/gatt/gatt_sr.c b/lib/bt/host/bluedroid/stack/gatt/gatt_sr.c
index 79e161c1..5947239c 100644
--- a/lib/bt/host/bluedroid/stack/gatt/gatt_sr.c
+++ b/lib/bt/host/bluedroid/stack/gatt/gatt_sr.c
@@ -200,7 +200,7 @@ static BOOLEAN process_read_multi_rsp (tGATT_SR_CMD *p_cmd, tGATT_STATUS status,
             *p++ = GATT_RSP_READ_MULTI;
             p_buf->len = 1;
 
-            /* Now walk through the buffers puting the data into the response in order */
+            /* Now walk through the buffers putting the data into the response in order */
             list_t *list = NULL;
             const list_node_t *node = NULL;
             if (! fixed_queue_is_empty(p_cmd->multi_rsp_q)) {
@@ -321,7 +321,7 @@ static BOOLEAN process_read_multi_var_rsp (tGATT_SR_CMD *p_cmd, tGATT_STATUS sta
             *p++ = GATT_RSP_READ_MULTI_VAR;
             p_buf->len = 1;
 
-            /* Now walk through the buffers puting the data into the response in order */
+            /* Now walk through the buffers putting the data into the response in order */
             list_t *list = NULL;
             const list_node_t *node = NULL;
             if (! fixed_queue_is_empty(p_cmd->multi_rsp_q)) {
@@ -735,7 +735,7 @@ static tGATT_STATUS gatt_build_primary_service_rsp (BT_HDR *p_msg, tGATT_TCB *p_
                     handle_len = 4 + p_uuid->len;
                 }
 
-                /* get the length byte in the repsonse */
+                /* get the length byte in the response */
                 if (p_msg->offset == 0) {
                     *p ++ = op_code + 1;
                     p_msg->len ++;
@@ -788,7 +788,7 @@ static tGATT_STATUS gatt_build_primary_service_rsp (BT_HDR *p_msg, tGATT_TCB *p_
 **                  buffer.
 **
 ** Returns          TRUE: if data filled successfully.
-**                  FALSE: packet full, or format mismatch.
+**                  FALSE: packet full.
 **
 *******************************************************************************/
 static tGATT_STATUS gatt_build_find_info_rsp(tGATT_SR_REG *p_rcb, BT_HDR *p_msg, UINT16 *p_len,
@@ -831,10 +831,9 @@ static tGATT_STATUS gatt_build_find_info_rsp(tGATT_SR_REG *p_rcb, BT_HDR *p_msg,
                     gatt_convert_uuid32_to_uuid128(p, ((tGATT_ATTR32 *) p_attr)->uuid);
                     p += LEN_UUID_128;
                 } else {
-                    GATT_TRACE_ERROR("format mismatch");
-                    status = GATT_NO_RESOURCES;
+                    // UUID format mismatch in sequential attributes
+                    // A new request will be sent with the starting handle of the next attribute
                     break;
-                    /* format mismatch */
                 }
                 p_msg->len += info_pair_len[p_msg->offset - 1];
                 len -= info_pair_len[p_msg->offset - 1];
@@ -889,7 +888,7 @@ static tGATT_STATUS gatts_validate_packet_format(UINT8 op_code, UINT16 *p_len,
                 /* parse uuid now */
                 if (gatt_parse_uuid_from_cmd (p_uuid_filter, uuid_len, &p) == FALSE ||
                         p_uuid_filter->len == 0) {
-                    GATT_TRACE_DEBUG("UUID filter does not exsit");
+                    GATT_TRACE_DEBUG("UUID filter does not exist");
                     reason = GATT_INVALID_PDU;
                 } else {
                     len -= p_uuid_filter->len;
@@ -1042,7 +1041,7 @@ static void gatts_process_find_info(tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len,
 **
 ** Function         gatts_process_mtu_req
 **
-** Description      This function is called to process excahnge MTU request.
+** Description      This function is called to process exchange MTU request.
 **                  Only used on LE.
 **
 ** Returns          void
@@ -1055,7 +1054,7 @@ static void gatts_process_mtu_req (tGATT_TCB *p_tcb, UINT16 len, UINT8 *p_data)
     BT_HDR        *p_buf;
     UINT16   conn_id;
 
-    /* BR/EDR conenction, send error response */
+    /* BR/EDR connection, send error response */
     if (p_tcb->att_lcid != L2CAP_ATT_CID) {
         gatt_send_error_rsp (p_tcb, GATT_REQ_NOT_SUPPORTED, GATT_REQ_MTU, 0, FALSE);
     } else if (len < GATT_MTU_REQ_MIN_LEN) {
@@ -1081,7 +1080,7 @@ static void gatts_process_mtu_req (tGATT_TCB *p_tcb, UINT16 len, UINT8 *p_data)
             attp_send_sr_msg (p_tcb, p_buf);
 
             /* Notify all registered application with new MTU size. Us a transaction ID */
-            /* of 0, as no response is allowed from applcations                    */
+            /* of 0, as no response is allowed from applications                        */
 
             for (i = 0; i < GATT_MAX_APPS; i ++) {
                 if (gatt_cb.cl_rcb[i].in_use ) {
@@ -1448,7 +1447,7 @@ void gatt_attr_process_prepare_write (tGATT_TCB *p_tcb, UINT8 i_rcb, UINT16 hand
     }
 
     if ((prepare_record->error_code_app == GATT_SUCCESS)
-        // update prepare write status for excute write request
+        // update prepare write status for execute write request
         && (status == GATT_INVALID_OFFSET || status == GATT_INVALID_ATTR_LEN || status == GATT_REQ_NOT_SUPPORTED)) {
         prepare_record->error_code_app = status;
     }
@@ -1855,7 +1854,7 @@ void gatt_server_handle_client_req (tGATT_TCB *p_tcb, UINT8 op_code,
             gatts_process_primary_service_req (p_tcb, op_code, len, p_data);
             break;
 
-        case GATT_REQ_FIND_INFO:                /* discover char descrptor */
+        case GATT_REQ_FIND_INFO:                /* discover char descriptor */
             gatts_process_find_info(p_tcb, op_code, len, p_data);
             break;
 
diff --git a/lib/bt/host/bluedroid/stack/gatt/gatt_sr_hash.c b/lib/bt/host/bluedroid/stack/gatt/gatt_sr_hash.c
index 79d09d7a..d5a4b3a5 100644
--- a/lib/bt/host/bluedroid/stack/gatt/gatt_sr_hash.c
+++ b/lib/bt/host/bluedroid/stack/gatt/gatt_sr_hash.c
@@ -189,7 +189,6 @@ tGATT_STATUS gatts_calculate_datebase_hash(BT_OCTET16 hash)
 #if SMP_INCLUDED == TRUE
     BT_OCTET16 key = {0};
     aes_cipher_msg_auth_code(key, data_buf, len, 16, hash);
-    //ESP_LOG_BUFFER_HEX("db hash", hash, BT_OCTET16_LEN);
 #endif
 
     osi_free(data_buf);
diff --git a/lib/bt/host/bluedroid/stack/gatt/gatt_utils.c b/lib/bt/host/bluedroid/stack/gatt/gatt_utils.c
index 621b2468..0644ab70 100644
--- a/lib/bt/host/bluedroid/stack/gatt/gatt_utils.c
+++ b/lib/bt/host/bluedroid/stack/gatt/gatt_utils.c
@@ -108,7 +108,7 @@ void gatt_free_pending_ind(tGATT_TCB *p_tcb)
 **
 ** Function         gatt_free_pending_enc_queue
 **
-** Description       Free all buffers in pending encyption queue
+** Description       Free all buffers in pending encryption queue
 **
 ** Returns       None
 **
@@ -222,7 +222,7 @@ void gatt_set_srv_chg(void)
 **
 ** Description     Find the app id in on the new service changed list
 **
-** Returns     Pointer to the found new service changed item othwerwise NULL
+** Returns     Pointer to the found new service changed item otherwise NULL
 **
 *******************************************************************************/
 tGATTS_PENDING_NEW_SRV_START *gatt_sr_is_new_srv_chg(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst)
@@ -299,7 +299,7 @@ tGATTS_PENDING_NEW_SRV_START *gatt_add_pending_new_srv_start(tGATTS_HNDL_RANGE *
 **
 ** Function     gatt_add_srv_chg_clt
 **
-** Description  Add a service chnage client to the service change client queue
+** Description  Add a service change client to the service change client queue
 **
 ** Returns    Pointer to the service change client buffer; Null no buffer available
 **
@@ -682,7 +682,7 @@ BOOLEAN gatt_remove_a_srv_from_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_
 **
 ** Function  gatt_add_an_item_to_list
 **
-** Description  add an service handle range to the list in decending
+** Description  add an service handle range to the list in descending
 **              order of the start handle
 **
 ** Returns   BOOLEAN TRUE-if add is successful
@@ -808,7 +808,7 @@ BOOLEAN gatt_find_the_connected_bda(UINT8 start_idx, BD_ADDR bda, UINT8 *p_found
 **
 ** Function         gatt_is_srv_chg_ind_pending
 **
-** Description      Check whether a service chnaged is in the indication pending queue
+** Description      Check whether a service changed is in the indication pending queue
 **                  or waiting for an Ack already
 **
 ** Returns         BOOLEAN
@@ -846,9 +846,9 @@ BOOLEAN gatt_is_srv_chg_ind_pending (tGATT_TCB *p_tcb)
 **
 ** Function         gatt_is_bda_in_the_srv_chg_clt_list
 **
-** Description      This function check the specified bda is in the srv chg clinet list or not
+** Description      This function check the specified bda is in the srv chg client list or not
 **
-** Returns         pointer to the found elemenet otherwise NULL
+** Returns         pointer to the found element otherwise NULL
 **
 *******************************************************************************/
 tGATTS_SRV_CHG *gatt_is_bda_in_the_srv_chg_clt_list (BD_ADDR bda)
@@ -1205,7 +1205,7 @@ UINT8 gatt_build_uuid_to_stream(UINT8 **p_dst, tBT_UUID uuid)
     if (uuid.len == LEN_UUID_16) {
         UINT16_TO_STREAM (p, uuid.uu.uuid16);
         len = LEN_UUID_16;
-    } else if (uuid.len == LEN_UUID_32) { /* always convert 32 bits into 128 bits as alwats */
+    } else if (uuid.len == LEN_UUID_32) { /* always convert 32 bits into 128 bits as always */
         gatt_convert_uuid32_to_uuid128(p, uuid.uu.uuid32);
         p += LEN_UUID_128;
         len = LEN_UUID_128;
@@ -1465,7 +1465,7 @@ UINT8 gatt_sr_alloc_rcb(tGATT_HDL_LIST_ELEM *p_list )
     UINT8   ii = 0;
     tGATT_SR_REG    *p_sreg = NULL;
 
-    /*this is a new application servoce start */
+    /*this is a new application service start */
     for (ii = 0, p_sreg = gatt_cb.sr_reg; ii < GATT_MAX_SR_PROFILES; ii++, p_sreg++) {
         if (!p_sreg->in_use) {
             memset (p_sreg, 0, sizeof(tGATT_SR_REG));
@@ -1616,7 +1616,7 @@ UINT32 gatt_add_sdp_record (tBT_UUID *p_uuid, UINT16 start_hdl, UINT16 end_hdl)
         break;
 
     default:
-        GATT_TRACE_ERROR("inavlid UUID len=%d", p_uuid->len);
+        GATT_TRACE_ERROR("invalid UUID len=%d", p_uuid->len);
         SDP_DeleteRecord(sdp_handle);
         return 0;
         break;
@@ -1633,7 +1633,7 @@ UINT32 gatt_add_sdp_record (tBT_UUID *p_uuid, UINT16 start_hdl, UINT16 end_hdl)
 
     SDP_AddProtocolList(sdp_handle, 2, proto_elem_list);
 
-    /* Make the service browseable */
+    /* Make the service browsable */
     SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &list);
 
     return (sdp_handle);
@@ -1868,7 +1868,7 @@ UINT8 gatt_num_apps_hold_link(tGATT_TCB *p_tcb)
 **
 ** Function         gatt_num_clcb_by_bd_addr
 **
-** Description      The function searches all LCB with macthing bd address
+** Description      The function searches all LCB with matching bd address
 **
 ** Returns          total number of clcb found.
 **
@@ -1892,7 +1892,7 @@ UINT8 gatt_num_clcb_by_bd_addr(BD_ADDR bda)
 **
 ** Function         gatt_sr_update_cback_cnt
 **
-** Description      The function searches all LCB with macthing bd address
+** Description      The function searches all LCB with matching bd address
 **
 ** Returns          total number of clcb found.
 **
@@ -1916,7 +1916,7 @@ void gatt_sr_copy_prep_cnt_to_cback_cnt(tGATT_TCB *p_tcb )
 **
 ** Function         gatt_sr_is_cback_cnt_zero
 **
-** Description      The function searches all LCB with macthing bd address
+** Description      The function searches all LCB with matching bd address
 **
 ** Returns          True if thetotal application callback count is zero
 **
@@ -2015,7 +2015,7 @@ void gatt_sr_reset_prep_cnt(tGATT_TCB *p_tcb )
 **
 ** Function         gatt_sr_update_cback_cnt
 **
-** Description    Update the teh application callback count
+** Description    Update the the application callback count
 **
 ** Returns           None
 **
@@ -2045,7 +2045,7 @@ void gatt_sr_update_cback_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc
 **
 ** Function         gatt_sr_update_prep_cnt
 **
-** Description    Update the teh prepare write request count
+** Description    Update the the prepare write request count
 **
 ** Returns           None
 **
@@ -2461,7 +2461,7 @@ void gatt_dbg_display_uuid(tBT_UUID bt_uuid)
 
 }
 
-
+#if (tGATT_BG_CONN_DEV == TRUE)
 /*******************************************************************************
 **
 ** Function         gatt_is_bg_dev_for_app
@@ -2552,7 +2552,7 @@ BOOLEAN gatt_add_bg_dev_list(tGATT_REG *p_reg,  BD_ADDR bd_addr, BOOLEAN is_init
         for (i = 0; i < GATT_MAX_APPS; i ++) {
             if (is_initator) {
                 if (p_dev->gatt_if[i] == gatt_if) {
-                    GATT_TRACE_ERROR("device already in iniator white list");
+                    GATT_TRACE_ERROR("device already in initiator white list");
                     return TRUE;
                 } else if (p_dev->gatt_if[i] == 0) {
                     p_dev->gatt_if[i] = gatt_if;
@@ -2618,9 +2618,9 @@ BOOLEAN gatt_remove_bg_dev_for_app(tGATT_IF gatt_if, BD_ADDR bd_addr)
 **
 ** Function         gatt_get_num_apps_for_bg_dev
 **
-** Description      Gte the number of applciations for the specified background device
+** Description      Gte the number of applications for the specified background device
 **
-** Returns          UINT8 total number fo applications
+** Returns          UINT8 total number for applications
 **
 *******************************************************************************/
 UINT8 gatt_get_num_apps_for_bg_dev(BD_ADDR bd_addr)
@@ -2842,7 +2842,7 @@ BOOLEAN gatt_update_auto_connect_dev (tGATT_IF gatt_if, BOOLEAN add, BD_ADDR bd_
     }
     return ret;
 }
-
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
 
 
 /*******************************************************************************
diff --git a/lib/bt/host/bluedroid/stack/gatt/include/gatt_int.h b/lib/bt/host/bluedroid/stack/gatt/include/gatt_int.h
index 1161da62..f9d3cd8e 100644
--- a/lib/bt/host/bluedroid/stack/gatt/include/gatt_int.h
+++ b/lib/bt/host/bluedroid/stack/gatt/include/gatt_int.h
@@ -130,7 +130,7 @@ typedef union {
     tGATT_EXEC_FLAG         exec_write;    /* execute write */
 } tGATT_CL_MSG;
 
-/* error response strucutre */
+/* error response structure */
 typedef struct {
     UINT16  handle;
     UINT8   cmd_code;
@@ -480,12 +480,14 @@ typedef struct {
     UINT32      service_change;
 } tGATT_SVC_CHG;
 
+#if (tGATT_BG_CONN_DEV == TRUE)
 typedef struct {
     tGATT_IF        gatt_if[GATT_MAX_APPS];
     tGATT_IF        listen_gif[GATT_MAX_APPS];
     BD_ADDR         remote_bda;
     BOOLEAN         in_use;
 } tGATT_BG_CONN_DEV;
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
 
 #define GATT_SVC_CHANGED_CONNECTING        1   /* wait for connection */
 #define GATT_SVC_CHANGED_SERVICE           2   /* GATT service discovery */
@@ -553,8 +555,9 @@ typedef struct {
 
 
     tGATT_HDL_CFG           hdl_cfg;
+#if (tGATT_BG_CONN_DEV == TRUE)
     tGATT_BG_CONN_DEV       bgconn_dev[GATT_MAX_BG_CONN_DEV];
-
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
     BOOLEAN             auto_disc;      /* internal use: true for auto discovering after connected */
     UINT8               srv_chg_mode;   /* internal use: service change mode */
     tGATTS_RSP          rsp;            /* use to read internal service attribute */
@@ -667,6 +670,7 @@ extern BOOLEAN gatt_add_an_item_to_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_L
 extern BOOLEAN gatt_remove_an_item_from_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_remove);
 extern tGATTS_SRV_CHG *gatt_add_srv_chg_clt(tGATTS_SRV_CHG *p_srv_chg);
 
+#if (tGATT_BG_CONN_DEV == TRUE)
 /* for background connection */
 extern BOOLEAN gatt_update_auto_connect_dev (tGATT_IF gatt_if, BOOLEAN add, BD_ADDR bd_addr, BOOLEAN is_initiator);
 extern BOOLEAN gatt_is_bg_dev_for_app(tGATT_BG_CONN_DEV *p_dev, tGATT_IF gatt_if);
@@ -676,6 +680,7 @@ extern BOOLEAN gatt_find_app_for_bg_dev(BD_ADDR bd_addr, tGATT_IF *p_gatt_if);
 extern tGATT_BG_CONN_DEV *gatt_find_bg_dev(BD_ADDR remote_bda);
 extern void gatt_deregister_bgdev_list(tGATT_IF gatt_if);
 extern void gatt_reset_bgdev_list(void);
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
 
 /* server function */
 extern UINT8 gatt_sr_find_i_rcb_by_handle(UINT16 handle);
diff --git a/lib/bt/host/bluedroid/stack/goep/goepc_api.c b/lib/bt/host/bluedroid/stack/goep/goepc_api.c
new file mode 100644
index 00000000..06be8f59
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/goep/goepc_api.c
@@ -0,0 +1,376 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <string.h>
+
+#include "osi/osi.h"
+#include "osi/allocator.h"
+#include "common/bt_target.h"
+
+#include "stack/obex_api.h"
+#include "stack/goep_common.h"
+#include "stack/goepc_api.h"
+#include "goep_int.h"
+
+#if (GOEPC_INCLUDED == TRUE)
+
+/*******************************************************************************
+**
+** Function         GOEPC_Init
+**
+** Description      Initialize GOEP Client role, must call before using any
+**                  other GOEPC APIs
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 GOEPC_Init(void)
+{
+#if (GOEP_DYNAMIC_MEMORY)
+    if (!goepc_cb_ptr) {
+        goepc_cb_ptr = (tGOEPC_CB *)osi_malloc(sizeof(tGOEPC_CB));
+        if (!goepc_cb_ptr) {
+            return GOEP_NO_RESOURCES;
+        }
+    }
+#endif /* #if (GOEP_DYNAMIC_MEMORY) */
+    memset(&goepc_cb, 0, sizeof(tGOEPC_CB));
+    goepc_cb.trace_level = BT_TRACE_LEVEL_ERROR;
+    return GOEP_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_Deinit
+**
+** Description      Deinit GOEP Client role, once deinit, can not use any other
+**                  GOEPC APIs until call GOEPC_Init again
+**
+*******************************************************************************/
+void GOEPC_Deinit(void)
+{
+#if (GOEP_DYNAMIC_MEMORY)
+    if (goepc_cb_ptr) {
+        osi_free(goepc_cb_ptr);
+        goepc_cb_ptr = NULL;
+    }
+#endif /* #if (GOEP_DYNAMIC_MEMORY) */
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_Open
+**
+** Description      Start the progress to establish a GOEP connection to server
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed, when the
+**                  connection is established, GOEPC_OPENED_EVT will come
+**
+*******************************************************************************/
+UINT16 GOEPC_Open(tOBEX_SVR_INFO *svr, tGOEPC_EVT_CBACK callback, UINT16 *out_handle)
+{
+    UINT16 ret = GOEP_SUCCESS;
+    tGOEPC_CCB *p_ccb = NULL;
+
+    do {
+        /* check parameter, allow out_handle to be NULL */
+        if (svr == NULL || callback == NULL) {
+            ret = GOEP_INVALID_PARAM;
+            break;
+        }
+
+        p_ccb = goepc_allocate_ccb();
+        if (p_ccb == NULL) {
+            ret =  GOEP_NO_RESOURCES;
+            break;
+        }
+
+        if (OBEX_CreateConn(svr, goepc_obex_callback, &p_ccb->obex_handle) != OBEX_SUCCESS) {
+            ret = GOEP_TL_ERROR;
+            break;
+        }
+
+        /* success */
+        p_ccb->callback = callback;
+        p_ccb->state = GOEPC_STATE_OPENING;
+        if (out_handle) {
+            *out_handle = p_ccb->allocated;
+        }
+    } while (0);
+
+    if (ret != GOEP_SUCCESS && p_ccb != NULL) {
+        goepc_free_ccb(p_ccb);
+    }
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_Close
+**
+** Description      Close a GOEP connection immediately
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 GOEPC_Close(UINT16 handle)
+{
+    tGOEPC_CCB *p_ccb = NULL;
+
+    UINT16 ccb_idx = handle - 1;
+    if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
+        return GOEP_BAD_HANDLE;
+    }
+
+    p_ccb = &goepc_cb.ccb[ccb_idx];
+    if (p_ccb->obex_handle) {
+        OBEX_RemoveConn(p_ccb->obex_handle);
+    }
+    goepc_free_ccb(p_ccb);
+
+    return GOEP_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_SendRequest
+**
+** Description      Send the prepared request packet to server
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 GOEPC_SendRequest(UINT16 handle)
+{
+    UINT16 ret = GOEP_SUCCESS;
+    tGOEPC_CCB *p_ccb = NULL;
+    BOOLEAN final = FALSE;
+
+    do {
+        UINT16 ccb_idx = handle - 1;
+        if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
+            ret = GOEP_BAD_HANDLE;
+            break;
+        }
+        p_ccb = &goepc_cb.ccb[ccb_idx];
+
+        if (p_ccb->pkt == NULL) {
+            ret = GOEP_INVALID_STATE;
+            break;
+        }
+
+        final = OBEX_CheckFinalBit(p_ccb->pkt);
+        /* check whether state machine allow this operation */
+        if (!goepc_check_obex_req_allow(p_ccb->state, final)) {
+            ret = GOEP_INVALID_STATE;
+            break;
+        }
+
+        if (p_ccb->congest) {
+            ret = GOEP_CONGEST;
+            break;
+        }
+
+        /* execute srm state machine */
+        goepc_srm_sm_execute(p_ccb, TRUE, p_ccb->pkt_srm_en, p_ccb->pkt_srm_wait);
+
+        tGOEPC_DATA data;
+        data.pkt = p_ccb->pkt;
+
+        p_ccb->last_pkt_opcode = p_ccb->curr_pkt_opcode;
+        p_ccb->pkt = NULL;
+        p_ccb->pkt_srm_en = FALSE;
+        p_ccb->pkt_srm_wait = FALSE;
+
+        /* execute main state machine */
+        if (final) {
+            goepc_sm_execute(p_ccb, GOEPC_SM_EVENT_REQ_FB, &data);
+        }
+        else {
+            goepc_sm_execute(p_ccb, GOEPC_SM_EVENT_REQ, &data);
+        }
+        /* since goepc_sm_execute may free ccb, can not access ccb here */
+    } while (0);
+
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_PrepareRequest
+**
+** Description      Prepare a request packet, packet will be store internally
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 GOEPC_PrepareRequest(UINT16 handle, tOBEX_PARSE_INFO *info, UINT16 buff_size)
+{
+    UINT16 ret = GOEP_SUCCESS;
+    tGOEPC_CCB *p_ccb = NULL;
+    BT_HDR *pkt = NULL;
+
+    do {
+        UINT16 ccb_idx = handle - 1;
+        if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
+            ret = GOEP_BAD_HANDLE;
+            break;
+        }
+        p_ccb = &goepc_cb.ccb[ccb_idx];
+
+        if (info == NULL || buff_size < OBEX_MIN_PACKET_SIZE) {
+            ret = GOEP_INVALID_PARAM;
+            break;
+        }
+
+        if (p_ccb->pkt != NULL) {
+            ret = GOEP_INVALID_STATE;
+            break;
+        }
+
+        if (!goepc_check_obex_req_param(info)) {
+            ret = GOEP_INVALID_PARAM;
+            break;
+        }
+
+        if (OBEX_BuildRequest(info, buff_size, &pkt) != OBEX_SUCCESS) {
+            ret = GOEP_NO_RESOURCES;
+            break;
+        }
+
+        p_ccb->curr_pkt_opcode = info->opcode;
+        p_ccb->pkt = pkt;
+    } while (0);
+
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_DropRequest
+**
+** Description      Drop the prepared internal request packet
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 GOEPC_DropRequest(UINT16 handle)
+{
+    UINT16 ccb_idx = handle - 1;
+    if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
+        return GOEP_BAD_HANDLE;
+    }
+
+    tGOEPC_CCB *p_ccb = &goepc_cb.ccb[ccb_idx];
+    if (p_ccb->pkt == NULL) {
+        return GOEP_INVALID_STATE;
+    }
+
+    osi_free(p_ccb->pkt);
+    p_ccb->pkt = NULL;
+    p_ccb->pkt_srm_en = FALSE;
+    p_ccb->pkt_srm_wait = FALSE;
+    return GOEP_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_RequestSetSRM
+**
+** Description      Modify the prepared internal request packet, append SRM header
+**                  or SRMP header
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 GOEPC_RequestSetSRM(UINT16 handle, BOOLEAN srm_en, BOOLEAN srm_wait)
+{
+    UINT16 ret = GOEP_SUCCESS;
+    tGOEPC_CCB *p_ccb = NULL;
+
+    do {
+        UINT16 ccb_idx = handle - 1;
+        if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
+            ret = GOEP_BAD_HANDLE;
+            break;
+        }
+        p_ccb = &goepc_cb.ccb[ccb_idx];
+
+        if (!srm_en && !srm_wait) {
+            ret = GOEP_INVALID_PARAM;
+            break;
+        }
+
+        if (p_ccb->pkt == NULL) {
+            ret = GOEP_INVALID_STATE;
+            break;
+        }
+
+        if (srm_en) {
+            if (OBEX_AppendHeaderSRM(p_ccb->pkt, OBEX_SRM_ENABLE) == OBEX_SUCCESS) {
+                p_ccb->pkt_srm_en = TRUE;
+            }
+            else {
+                ret = GOEP_NO_RESOURCES;
+                break;
+            }
+        }
+        if (srm_wait) {
+            if (OBEX_AppendHeaderSRMP(p_ccb->pkt, OBEX_SRMP_WAIT) == OBEX_SUCCESS) {
+                p_ccb->pkt_srm_wait = TRUE;
+            }
+            else {
+                ret = GOEP_NO_RESOURCES;
+                break;
+            }
+        }
+    } while (0);
+
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         GOEPC_RequestAddHeader
+**
+** Description      Modify the prepared internal request packet, append header
+**
+** Returns          GOEP_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 GOEPC_RequestAddHeader(UINT16 handle, UINT8 header_id, const UINT8 *data, UINT16 data_len)
+{
+    UINT16 ret = GOEP_SUCCESS;
+    tGOEPC_CCB *p_ccb = NULL;
+
+    do {
+        UINT16 ccb_idx = handle - 1;
+        if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
+            ret = GOEP_BAD_HANDLE;
+            break;
+        }
+        p_ccb = &goepc_cb.ccb[ccb_idx];
+
+        if (p_ccb->pkt == NULL) {
+            ret = GOEP_INVALID_STATE;
+            break;
+        }
+
+        if ((data == NULL && data_len != 0) || (data != NULL && data_len == 0)) {
+            ret = GOEP_INVALID_PARAM;
+            break;
+        }
+
+        if (OBEX_AppendHeaderRaw(p_ccb->pkt, header_id, data, data_len) != OBEX_SUCCESS) {
+            ret = GOEP_NO_RESOURCES;
+            break;
+        }
+    } while (0);
+
+    return ret;
+}
+
+#endif /* #if (GOEPC_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/goep/goepc_main.c b/lib/bt/host/bluedroid/stack/goep/goepc_main.c
new file mode 100644
index 00000000..e0859580
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/goep/goepc_main.c
@@ -0,0 +1,528 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <string.h>
+
+#include "osi/osi.h"
+#include "osi/allocator.h"
+#include "common/bt_target.h"
+
+#include "stack/obex_api.h"
+#include "stack/goep_common.h"
+#include "stack/goepc_api.h"
+#include "goep_int.h"
+
+#if (GOEPC_INCLUDED == TRUE)
+
+#if GOEP_DYNAMIC_MEMORY == FALSE
+tGOEPC_CB goepc_cb;
+#else
+tGOEPC_CB *goepc_cb_ptr = NULL;
+#endif
+
+tGOEPC_CCB *goepc_allocate_ccb(void)
+{
+    tGOEPC_CCB *p_ccb = NULL;
+    for (int i = 0; i < GOEPC_MAX_CONNECTION; ++i) {
+        if (!goepc_cb.ccb[i].allocated) {
+            goepc_cb.ccb[i].allocated = i + 1;
+            p_ccb = &goepc_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+void goepc_free_ccb(tGOEPC_CCB *p_ccb)
+{
+    if (p_ccb->pkt != NULL) {
+        osi_free(p_ccb->pkt);
+    }
+    memset(p_ccb, 0, sizeof(tGOEPC_CCB));
+}
+
+BOOLEAN goepc_check_obex_req_param(tOBEX_PARSE_INFO *info)
+{
+    BOOLEAN ret = TRUE;
+    switch (info->opcode)
+    {
+    case OBEX_OPCODE_CONNECT:
+        if (info->max_packet_length < 255 || info->obex_version_number == 0) {
+            ret = FALSE;
+        }
+        break;
+    case OBEX_OPCODE_DISCONNECT:
+    case OBEX_OPCODE_PUT:
+    case OBEX_OPCODE_PUT_FINAL:
+    case OBEX_OPCODE_GET:
+    case OBEX_OPCODE_GET_FINAL:
+    case OBEX_OPCODE_SETPATH:
+    case OBEX_OPCODE_ACTION:
+    case OBEX_OPCODE_SESSION:
+        /* opcode allowed */
+        break;
+    case OBEX_OPCODE_ABORT:
+    default:
+        ret = FALSE;
+        /* opcode not allowed */
+        break;
+    }
+
+    return ret;
+}
+
+static tGOEPC_CCB *find_ccb_by_obex_handle(UINT16 obex_handle)
+{
+    tGOEPC_CCB *p_ccb = NULL;
+    for (int i = 0; i < GOEPC_MAX_CONNECTION; ++i) {
+        if (goepc_cb.ccb[i].allocated && goepc_cb.ccb[i].obex_handle == obex_handle) {
+            p_ccb = &goepc_cb.ccb[i];
+        }
+    }
+    return p_ccb;
+}
+
+static void goepc_extra_srm_rsp(UINT8 opcode, BT_HDR *pkt, BOOLEAN *srm_en, BOOLEAN *srm_wait)
+{
+    tOBEX_PARSE_INFO info;
+    BOOLEAN srm_found = FALSE;
+    BOOLEAN srmp_found = FALSE;
+    if (OBEX_ParseResponse(pkt, opcode, &info) == OBEX_SUCCESS) {
+        UINT8 *header = NULL;
+        while((header = OBEX_GetNextHeader(pkt, &info)) != NULL) {
+            switch (*header)
+            {
+            case OBEX_HEADER_ID_SRM:
+                if (header[1] == OBEX_SRM_ENABLE) {
+                    *srm_en = TRUE;
+                }
+                srm_found = TRUE;
+                break;
+            case OBEX_HEADER_ID_SRM_PARAM:
+                switch (header[1])
+                {
+                case OBEX_SRMP_ADD_PKT:
+                    /* goep should not use this */
+                    break;
+                case OBEX_SRMP_WAIT:
+                    *srm_wait = TRUE;
+                    break;
+                case OBEX_SRMP_ADD_PKT_WAIT:
+                    /* goep should not use this */
+                    break;
+                default:
+                    break;
+                }
+                srmp_found = TRUE;
+                break;
+            default:
+                break;
+            }
+            if (srm_found && srmp_found) {
+                break;
+            }
+        }
+    }
+}
+
+static void goepc_act_congest(tGOEPC_CCB *p_ccb)
+{
+    p_ccb->congest = TRUE;
+    p_ccb->callback(p_ccb->allocated, GOEPC_CONGEST_EVT, NULL);
+}
+
+static void goepc_act_uncongest(tGOEPC_CCB *p_ccb)
+{
+    p_ccb->congest = FALSE;
+    p_ccb->callback(p_ccb->allocated, GOEPC_UNCONGEST_EVT, NULL);
+}
+
+static void goepc_act_mtu_chg(tGOEPC_CCB *p_ccb, tGOEPC_MTU_CHG *mtu_chg)
+{
+    tGOEPC_MSG msg;
+    msg.mtu_changed.peer_mtu = mtu_chg->peer_mtu;
+    msg.mtu_changed.our_mtu = mtu_chg->our_mtu;
+    p_ccb->peer_mtu = mtu_chg->peer_mtu;
+    p_ccb->our_mtu = mtu_chg->our_mtu;
+    p_ccb->callback(p_ccb->allocated, GOEPC_MTU_CHANGED_EVT, &msg);
+}
+
+void goepc_obex_callback(UINT16 handle, UINT8 event, tOBEX_MSG *msg)
+{
+    tGOEPC_DATA data;
+    UINT8 goepc_sm_event = GOEPC_SM_EVENT_DISCONNECT;
+    BOOLEAN exec_sm = FALSE;
+    tGOEPC_CCB *p_ccb = find_ccb_by_obex_handle(handle);
+    if (p_ccb == NULL) {
+        GOEPC_TRACE_ERROR("goepc_obex_callback can not find a ccb\n");
+        /* can not find a ccb in goepc, free resource and remove this connection */
+        if (event == OBEX_DATA_EVT && msg->data.pkt) {
+            osi_free(msg->data.pkt);
+        }
+        OBEX_RemoveConn(handle);
+        return;
+    }
+
+    switch (event)
+    {
+    case OBEX_CONNECT_EVT:
+        data.connected.peer_mtu = msg->connect.peer_mtu;
+        data.connected.our_mtu = msg->connect.our_mtu;
+        goepc_sm_event = GOEPC_SM_EVENT_CONNECT;
+        exec_sm = TRUE;
+        break;
+    case OBEX_MTU_CHANGE_EVT:
+        data.mtu_chg.peer_mtu = msg->mtu_change.peer_mtu;
+        data.mtu_chg.our_mtu = msg->mtu_change.our_mtu;
+        goepc_act_mtu_chg(p_ccb, &data.mtu_chg);
+        break;
+    case OBEX_DISCONNECT_EVT:
+        /* when we received this event, obex connection already disconnect */
+        p_ccb->obex_handle = 0;
+        goepc_sm_event = GOEPC_SM_EVENT_DISCONNECT;;
+        exec_sm = TRUE;
+        break;
+    case OBEX_CONGEST_EVT:
+        goepc_act_congest(p_ccb);
+        break;
+    case OBEX_UNCONGEST_EVT:
+        goepc_act_uncongest(p_ccb);
+        break;
+    case OBEX_DATA_EVT:
+        data.pkt = msg->data.pkt;
+        if (OBEX_CheckContinueResponse(data.pkt)) {
+            /* in OBEX 1.0, final bit of response code will always set, we need to check this */
+            goepc_sm_event = GOEPC_SM_EVENT_RSP;
+        }
+        else if (OBEX_CheckFinalBit(data.pkt)) {
+            goepc_sm_event = GOEPC_SM_EVENT_RSP_FB;
+        }
+        else {
+            goepc_sm_event = GOEPC_SM_EVENT_RSP;
+        }
+        exec_sm = TRUE;
+        break;
+    default:
+        /* other event, ignore */
+        break;
+    }
+
+    if (exec_sm) {
+        goepc_sm_execute(p_ccb, goepc_sm_event, &data);
+    }
+}
+
+static void goepc_sm_act_connect(tGOEPC_CCB *p_ccb, tGOEPC_CONNECTED *connected)
+{
+    tGOEPC_MSG msg;
+    msg.opened.peer_mtu = connected->peer_mtu;
+    msg.opened.our_mtu = connected->our_mtu;
+    p_ccb->peer_mtu = connected->peer_mtu;
+    p_ccb->our_mtu = connected->our_mtu;
+
+    /* main state machine transfer to OPENED_IDLE */
+    p_ccb->state = GOEPC_STATE_OPENED_IDLE;
+    p_ccb->callback(p_ccb->allocated, GOEPC_OPENED_EVT, &msg);
+}
+
+static void goepc_sm_act_disconnect(tGOEPC_CCB *p_ccb)
+{
+    tGOEPC_MSG msg;
+    if (p_ccb->obex_handle) {
+        OBEX_RemoveConn(p_ccb->obex_handle);
+    }
+    msg.closed.reason = GOEP_TL_ERROR;
+    p_ccb->callback(p_ccb->allocated, GOEPC_CLOSED_EVT, &msg);
+    /* free ccb, main state machine end */
+    goepc_free_ccb(p_ccb);
+}
+
+static void goepc_sm_act_send_req(tGOEPC_CCB *p_ccb, BT_HDR *pkt)
+{
+    UINT16 ret = OBEX_SendPacket(p_ccb->obex_handle, pkt);
+    if (ret == OBEX_SUCCESS) {
+        /* main state machine transfer to OPENED_REQ */
+        p_ccb->state = GOEPC_STATE_OPENED_REQ;
+    }
+    else {
+        /* send failed, something error in transport layer, disconnect */
+        goepc_sm_act_disconnect(p_ccb);
+    }
+}
+
+static void goepc_sm_act_send_req_fb(tGOEPC_CCB *p_ccb, BT_HDR *pkt)
+{
+    UINT16 ret = OBEX_SendPacket(p_ccb->obex_handle, pkt);
+    if (ret == OBEX_SUCCESS) {
+        /* main state machine transfer to OPENED_RSP */
+        p_ccb->state = GOEPC_STATE_OPENED_RSP;
+    }
+    else {
+        /* send failed, something error in transport layer, disconnect */
+        goepc_sm_act_disconnect(p_ccb);
+    }
+}
+
+static void goepc_sm_act_rsp(tGOEPC_CCB *p_ccb, BT_HDR *pkt)
+{
+    /* handle srm state transfer */
+    BOOLEAN srm_en = FALSE;
+    BOOLEAN srm_wait = FALSE;
+    goepc_extra_srm_rsp(p_ccb->last_pkt_opcode, pkt, &srm_en, &srm_wait);
+    goepc_srm_sm_execute(p_ccb, FALSE, srm_en, srm_wait);
+     /* main state machine not change */
+
+    tGOEPC_MSG msg;
+    msg.response.opcode = p_ccb->last_pkt_opcode;
+    msg.response.final = FALSE;
+    msg.response.srm_en = (p_ccb->srm_state == GOEPC_SRM_STATE_ENABLE_WAIT || p_ccb->srm_state == GOEPC_SRM_STATE_ENABLE);
+    msg.response.srm_wait = (p_ccb->srm_state == GOEPC_SRM_STATE_ENABLE_WAIT);
+    msg.response.pkt = pkt;
+    p_ccb->callback(p_ccb->allocated, GOEPC_RESPONSE_EVT, &msg);
+}
+
+static void goepc_sm_act_rsp_fb(tGOEPC_CCB *p_ccb, BT_HDR *pkt)
+{
+    tGOEPC_MSG msg;
+    msg.response.opcode = p_ccb->last_pkt_opcode;
+    msg.response.final = TRUE;
+    msg.response.srm_en = FALSE;
+    msg.response.srm_wait = FALSE;
+    msg.response.pkt = pkt;
+    /* operation complete, reset srm state */
+    p_ccb->srm_state = GOEPC_SRM_STATE_IDLE;
+    /* main state machine transfer to OPENED_IDLE */
+    p_ccb->state = GOEPC_STATE_OPENED_IDLE;
+    p_ccb->callback(p_ccb->allocated, GOEPC_RESPONSE_EVT, &msg);
+}
+
+
+static void goepc_sm_state_opening(tGOEPC_CCB *p_ccb, UINT8 event, tGOEPC_DATA *p_data)
+{
+    switch (event)
+    {
+    case GOEPC_SM_EVENT_CONNECT:
+        goepc_sm_act_connect(p_ccb, &p_data->connected);
+        break;
+    case GOEPC_SM_EVENT_DISCONNECT:
+        goepc_sm_act_disconnect(p_ccb);
+        break;
+    case GOEPC_SM_EVENT_RSP:
+    case GOEPC_SM_EVENT_RSP_FB:
+        GOEPC_TRACE_ERROR("goepc_sm_state_opening received unexpected response from peer\n");
+        if (p_data->pkt != NULL) {
+            osi_free(p_data->pkt);
+        }
+        goepc_sm_act_disconnect(p_ccb);
+        break;
+    default:
+        GOEPC_TRACE_ERROR("goepc_sm_state_opening unexpected event: 0x%x\n", event);
+        break;
+    }
+}
+
+static void goepc_sm_state_opened_idle(tGOEPC_CCB *p_ccb, UINT8 event, tGOEPC_DATA *p_data)
+{
+    switch (event)
+    {
+    case GOEPC_SM_EVENT_DISCONNECT:
+        goepc_sm_act_disconnect(p_ccb);
+        break;
+    case GOEPC_SM_EVENT_REQ:
+        goepc_sm_act_send_req(p_ccb, p_data->pkt);
+        break;
+    case GOEPC_SM_EVENT_REQ_FB:
+        goepc_sm_act_send_req_fb(p_ccb, p_data->pkt);
+        break;
+    case GOEPC_SM_EVENT_RSP:
+    case GOEPC_SM_EVENT_RSP_FB:
+        GOEPC_TRACE_ERROR("goepc_sm_state_opened_idle received unexpected response from peer\n");
+        /* peer sent a packet to us when we didn't request */
+        if (p_data->pkt != NULL) {
+            osi_free(p_data->pkt);
+        }
+        goepc_sm_act_disconnect(p_ccb);
+        break;
+    default:
+        GOEPC_TRACE_ERROR("goepc_sm_state_opened_idle unexpected event: 0x%x\n", event);
+        break;
+    }
+}
+
+static void goepc_sm_state_opened_req(tGOEPC_CCB *p_ccb, UINT8 event, tGOEPC_DATA *p_data)
+{
+    switch (event)
+    {
+    case GOEPC_SM_EVENT_DISCONNECT:
+        goepc_sm_act_disconnect(p_ccb);
+        break;
+    case GOEPC_SM_EVENT_REQ:
+        goepc_sm_act_send_req(p_ccb, p_data->pkt);
+        break;
+    case GOEPC_SM_EVENT_REQ_FB:
+        goepc_sm_act_send_req_fb(p_ccb, p_data->pkt);
+        break;
+    case GOEPC_SM_EVENT_RSP:
+        goepc_sm_act_rsp(p_ccb, p_data->pkt);
+        break;
+    case GOEPC_SM_EVENT_RSP_FB:
+        goepc_sm_act_rsp_fb(p_ccb, p_data->pkt);
+        break;
+    default:
+        GOEPC_TRACE_ERROR("goepc_sm_state_opened_req unexpected event: 0x%x\n", event);
+        break;
+    }
+}
+
+static void goepc_sm_state_opened_rsp(tGOEPC_CCB *p_ccb, UINT8 event, tGOEPC_DATA *p_data)
+{
+    switch (event)
+    {
+    case GOEPC_SM_EVENT_DISCONNECT:
+        goepc_sm_act_disconnect(p_ccb);
+        break;
+    case GOEPC_SM_EVENT_REQ_FB:
+        goepc_sm_act_send_req_fb(p_ccb, p_data->pkt);
+        break;
+    case GOEPC_SM_EVENT_RSP:
+        goepc_sm_act_rsp(p_ccb, p_data->pkt);
+        break;
+    case GOEPC_SM_EVENT_RSP_FB:
+        goepc_sm_act_rsp_fb(p_ccb, p_data->pkt);
+        break;
+    default:
+        GOEPC_TRACE_ERROR("goepc_sm_state_opened_rsp unexpected event: 0x%x\n", event);
+        break;
+    }
+}
+
+BOOLEAN goepc_check_obex_req_allow(UINT8 state, BOOLEAN final)
+{
+    BOOLEAN ret = FALSE;
+    if (final) {
+        switch (state)
+        {
+        case GOEPC_STATE_OPENED_IDLE:
+        case GOEPC_STATE_OPENED_REQ:
+        case GOEPC_STATE_OPENED_RSP:
+            ret = TRUE;
+            break;
+        default:
+            break;
+        }
+    }
+    else {
+        switch (state)
+        {
+        case GOEPC_STATE_OPENED_IDLE:
+        case GOEPC_STATE_OPENED_REQ:
+            ret = TRUE;
+            break;
+        default:
+            break;
+        }
+    }
+    return ret;
+}
+
+void goepc_sm_execute(tGOEPC_CCB *p_ccb, UINT8 event, tGOEPC_DATA *p_data)
+{
+    switch (p_ccb->state)
+    {
+    case GOEPC_STATE_INIT:
+        /* do nothing */
+        break;
+    case GOEPC_STATE_OPENING:
+        goepc_sm_state_opening(p_ccb, event, p_data);
+        break;
+    case GOEPC_STATE_OPENED_IDLE:
+        goepc_sm_state_opened_idle(p_ccb, event, p_data);
+        break;
+    case GOEPC_STATE_OPENED_REQ:
+        goepc_sm_state_opened_req(p_ccb, event, p_data);
+        break;
+    case GOEPC_STATE_OPENED_RSP:
+        goepc_sm_state_opened_rsp(p_ccb, event, p_data);
+        break;
+    default:
+        GOEPC_TRACE_ERROR("goepc_sm_execute unexpected state: 0x%x\n", p_ccb->state);
+        break;
+    }
+}
+
+static void goepc_srm_sm_act_req(tGOEPC_CCB *p_ccb, BOOLEAN srm_en, BOOLEAN srm_wait)
+{
+    switch (p_ccb->srm_state)
+    {
+    case GOEPC_SRM_STATE_IDLE:
+        if (srm_en) {
+            p_ccb->srm_state = GOEPC_SRM_STATE_REQ;
+            p_ccb->srm_wait = srm_wait;
+        }
+        else {
+            p_ccb->srm_state = GOEPC_SRM_STATE_DISABLE;
+        }
+        break;
+    case GOEPC_SRM_STATE_ENABLE_WAIT:
+        if (!srm_wait) {
+            p_ccb->srm_wait = FALSE;
+        }
+        if (!p_ccb->srm_wait && !p_ccb->srm_peer_wait) {
+            /* no more wait, transfer to ENABLE */
+            p_ccb->srm_state = GOEPC_SRM_STATE_ENABLE;
+        }
+        break;
+    default:
+        break;
+    }
+}
+
+static void goepc_srm_sm_act_rsp(tGOEPC_CCB *p_ccb, BOOLEAN srm_en, BOOLEAN srm_wait)
+{
+    switch (p_ccb->srm_state)
+    {
+    case GOEPC_SRM_STATE_IDLE:
+        /* peer can not request to enable srm, ignore */
+        break;
+    case GOEPC_SRM_STATE_REQ:
+        if (srm_en) {
+            p_ccb->srm_peer_wait = srm_wait;
+            if (p_ccb->srm_wait || p_ccb->srm_peer_wait) {
+                p_ccb->srm_state = GOEPC_SRM_STATE_ENABLE_WAIT;
+            }
+            else {
+                p_ccb->srm_state = GOEPC_SRM_STATE_ENABLE;
+            }
+        }
+        else {
+            p_ccb->srm_state = GOEPC_SRM_STATE_DISABLE;
+        }
+        break;
+    case GOEPC_SRM_STATE_ENABLE_WAIT:
+        if (!srm_wait) {
+            p_ccb->srm_peer_wait = FALSE;
+        }
+        if (!p_ccb->srm_wait && !p_ccb->srm_peer_wait) {
+            /* no more wait, transfer to ENABLE */
+            p_ccb->srm_state = GOEPC_SRM_STATE_ENABLE;
+        }
+        break;
+    default:
+        break;
+    }
+}
+
+void goepc_srm_sm_execute(tGOEPC_CCB *p_ccb, BOOLEAN is_req, BOOLEAN srm_en, BOOLEAN srm_wait)
+{
+    if (is_req) {
+        goepc_srm_sm_act_req(p_ccb, srm_en, srm_wait);
+    }
+    else {
+        goepc_srm_sm_act_rsp(p_ccb, srm_en, srm_wait);
+    }
+}
+
+#endif /* #if (GOEPC_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/goep/include/goep_int.h b/lib/bt/host/bluedroid/stack/goep/include/goep_int.h
new file mode 100644
index 00000000..0c1915f6
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/goep/include/goep_int.h
@@ -0,0 +1,103 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "common/bt_target.h"
+
+#include "stack/obex_api.h"
+#include "stack/goep_common.h"
+#include "stack/goepc_api.h"
+
+#if (GOEPC_INCLUDED == TRUE)
+
+/* GOEPC state machine events */
+enum {
+    GOEPC_SM_EVENT_CONNECT = 0,
+    GOEPC_SM_EVENT_DISCONNECT,
+    GOEPC_SM_EVENT_REQ,
+    GOEPC_SM_EVENT_REQ_FB,
+    GOEPC_SM_EVENT_RSP,
+    GOEPC_SM_EVENT_RSP_FB,
+};
+
+/* GOEPC state machine states */
+enum {
+    GOEPC_STATE_INIT = 0,
+    GOEPC_STATE_OPENING,
+    GOEPC_STATE_OPENED_IDLE,
+    GOEPC_STATE_OPENED_REQ,
+    GOEPC_STATE_OPENED_RSP,
+};
+
+/* GOEPC srm state machine states */
+enum {
+    GOEPC_SRM_STATE_IDLE = 0,
+    GOEPC_SRM_STATE_REQ,
+    GOEPC_SRM_STATE_ENABLE_WAIT,
+    GOEPC_SRM_STATE_ENABLE,
+    GOEPC_SRM_STATE_DISABLE,
+};
+
+/* GOEPC Connection Control block */
+typedef struct {
+    tGOEPC_EVT_CBACK    *callback;          /* GOEP event callback function */
+    UINT16              obex_handle;        /* OBEX connection handle */
+    UINT16              peer_mtu;           /* lower layer connection peer MTU */
+    UINT16              our_mtu;            /* lower layer connection our MTU */
+    BOOLEAN             congest;            /* lower layer connection congestion status */
+
+    BT_HDR              *pkt;               /* packet prepared in this GOEP client */
+    BOOLEAN             pkt_srm_en;         /* whether prepared packet had set SRM to enable */
+    BOOLEAN             pkt_srm_wait;       /* whether prepared packet had set SRMP to wait */
+    UINT8               curr_pkt_opcode;    /* prepared packet opcode */
+
+    UINT8               last_pkt_opcode;    /* last sent packet opcode */
+    BOOLEAN             srm_wait;           /* whether we had set SRMP to wait */
+    BOOLEAN             srm_peer_wait;      /* whether peer had set SRMP to wait */
+    UINT8               srm_state;          /* SRM state machine */
+    UINT8               state;              /* main state machine */
+    UINT8               allocated;          /* 0, not allocated. index+1, otherwise. equal to api handle */
+} tGOEPC_CCB;
+
+/* GOEPC Control block */
+typedef struct {
+    tGOEPC_CCB          ccb[GOEPC_MAX_CONNECTION];      /* connection control blocks */
+    UINT8               trace_level;                    /* trace level */
+} tGOEPC_CB;
+
+#if GOEP_DYNAMIC_MEMORY == FALSE
+extern tGOEPC_CB goepc_cb;
+#else
+extern tGOEPC_CB *goepc_cb_ptr;
+#define goepc_cb (*goepc_cb_ptr)
+#endif
+
+typedef struct {
+    UINT16              peer_mtu;
+    UINT16              our_mtu;
+} tGOEPC_CONNECTED;
+
+typedef struct {
+    UINT16              peer_mtu;
+    UINT16              our_mtu;
+} tGOEPC_MTU_CHG;
+
+typedef union {
+    tGOEPC_CONNECTED    connected;
+    tGOEPC_MTU_CHG      mtu_chg;
+    BT_HDR              *pkt;
+} tGOEPC_DATA;
+
+tGOEPC_CCB *goepc_allocate_ccb(void);
+void goepc_free_ccb(tGOEPC_CCB *p_ccb);
+void goepc_obex_callback(UINT16 handle, UINT8 event, tOBEX_MSG *msg);
+BOOLEAN goepc_check_obex_req_allow(UINT8 state, BOOLEAN final);
+BOOLEAN goepc_check_obex_req_param(tOBEX_PARSE_INFO *info);
+void goepc_sm_execute(tGOEPC_CCB *p_ccb, UINT8 event, tGOEPC_DATA *p_data);
+void goepc_srm_sm_execute(tGOEPC_CCB *p_ccb, BOOLEAN is_req, BOOLEAN srm_en, BOOLEAN srm_wait);
+
+#endif /* #if (GOEPC_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/hcic/hciblecmds.c b/lib/bt/host/bluedroid/stack/hcic/hciblecmds.c
index 52a2b2dc..5ad13216 100644
--- a/lib/bt/host/bluedroid/stack/hcic/hciblecmds.c
+++ b/lib/bt/host/bluedroid/stack/hcic/hciblecmds.c
@@ -349,8 +349,8 @@ BOOLEAN btsnd_hcic_ble_create_ll_conn (UINT16 scan_int, UINT16 scan_win,
     UINT16_TO_STREAM (pp, conn_latency);
     UINT16_TO_STREAM (pp, conn_timeout);
 
-    UINT16_TO_STREAM (pp, min_ce_len);
-    UINT16_TO_STREAM (pp, max_ce_len);
+    UINT16_TO_STREAM (pp, min_ce_len ? min_ce_len : BLE_CE_LEN_MIN);
+    UINT16_TO_STREAM (pp, max_ce_len ? max_ce_len : BLE_CE_LEN_MIN);
 
     btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID,  p);
     return (TRUE);
@@ -686,6 +686,7 @@ BOOLEAN btsnd_hcic_ble_ltk_req_neg_reply (UINT16 handle)
     return (TRUE);
 }
 
+#if (BLE_42_DTM_TEST_EN == TRUE)
 BOOLEAN btsnd_hcic_ble_receiver_test(UINT8 rx_freq)
 {
     BT_HDR *p;
@@ -733,7 +734,9 @@ BOOLEAN btsnd_hcic_ble_transmitter_test(UINT8 tx_freq, UINT8 test_data_len, UINT
     btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID,  p);
     return (TRUE);
 }
+#endif // // #if (BLE_42_DTM_TEST_EN == TRUE)
 
+#if ((BLE_42_DTM_TEST_EN == TRUE) || (BLE_50_DTM_TEST_EN == TRUE))
 BOOLEAN btsnd_hcic_ble_test_end(void)
 {
     BT_HDR *p;
@@ -754,6 +757,7 @@ BOOLEAN btsnd_hcic_ble_test_end(void)
     btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID,  p);
     return (TRUE);
 }
+#endif // #if ((BLE_42_DTM_TEST_EN == TRUE) || (BLE_50_DTM_TEST_EN == TRUE))
 
 BOOLEAN btsnd_hcic_ble_read_host_supported (void)
 {
@@ -1084,27 +1088,6 @@ BOOLEAN btsnd_hcic_ble_set_channels (BLE_CHANNELS channels)
     return (TRUE);
 }
 
-BOOLEAN btsnd_hcic_ble_clear_adv (void)
-{
-    BT_HDR *p;
-    UINT8 *pp;
-
-    if ((p = HCI_GET_CMD_BUF (HCIC_PARAM_SIZE_BLE_CLEAR_ADV)) == NULL) {
-        return (FALSE);
-    }
-
-    pp = (UINT8 *)(p + 1);
-
-    p->len = HCIC_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_CLEAR_ADV;
-    p->offset = 0;
-
-    UINT16_TO_STREAM (pp, HCI_VENDOR_BLE_CLEAR_ADV);
-    UINT8_TO_STREAM (pp, HCIC_PARAM_SIZE_BLE_CLEAR_ADV);
-
-    btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID, p);
-    return TRUE;
-}
-
 #define HCIC_BLE_CMD_CREATED(p, pp, size) do{\
     if ((p = HCI_GET_CMD_BUF(size)) == NULL) { \
         return FALSE; \
@@ -1174,6 +1157,7 @@ BOOLEAN btsnd_hcic_ble_set_phy(UINT16 conn_handle,
     return TRUE;
 }
 
+#if (BLE_50_DTM_TEST_EN == TRUE)
 UINT8 btsnd_hcic_ble_enhand_rx_test(UINT8 rx_channel, UINT8 phy,
                                                          UINT8 modulation_idx)
 {
@@ -1218,7 +1202,9 @@ UINT8 btsnd_hcic_ble_enhand_tx_test(UINT8 tx_channel, UINT8 len,
 
     return TRUE;
 }
+#endif // #if (BLE_50_DTM_TEST_EN == TRUE)
 
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 UINT8 btsnd_hcic_ble_set_extend_rand_address(UINT8 adv_handle, BD_ADDR rand_addr)
 {
     BT_HDR *p;
@@ -1432,7 +1418,9 @@ UINT8 btsnd_hcic_ble_clear_adv_set(void)
     return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
 
 }
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 
+#if (BLE_50_PERIODIC_ADV_EN == TRUE)
 UINT8 btsnd_hcic_ble_set_periodic_adv_params(UINT8 adv_handle,
                                                                      UINT16 interval_min,
                                                                      UINT16 interval_max,
@@ -1507,7 +1495,9 @@ UINT8 btsnd_hcic_ble_periodic_adv_enable(UINT8 enable, UINT8 adv_handle)
     return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
 
 }
+#endif // #if (BLE_50_PERIODIC_ADV_EN == TRUE)
 
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 UINT8 btsnd_hcic_ble_set_ext_scan_params(UINT8 own_addr_type, UINT8 filter_policy,
                                                                UINT8 phy_mask, UINT8 phy_count,
                                                                tHCI_EXT_SCAN_PARAMS *params)
@@ -1555,6 +1545,7 @@ UINT8 btsnd_hcic_ble_ext_scan_enable(UINT8 enable, UINT8 filter_dups,
 
     return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
 }
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 
 BOOLEAN btsnd_hcic_ble_create_ext_conn(tHCI_CreatExtConn *p_conn)
 {
@@ -1594,8 +1585,8 @@ BOOLEAN btsnd_hcic_ble_create_ext_conn(tHCI_CreatExtConn *p_conn)
         UINT16_TO_STREAM(pp, params->conn_interval_max);
         UINT16_TO_STREAM(pp, params->conn_latency);
         UINT16_TO_STREAM(pp, params->sup_timeout);
-        UINT16_TO_STREAM(pp, BLE_CE_LEN_MIN);
-        UINT16_TO_STREAM(pp, BLE_CE_LEN_MIN);
+        UINT16_TO_STREAM(pp, params->min_ce_len ? params->min_ce_len : BLE_CE_LEN_MIN);
+        UINT16_TO_STREAM(pp, params->max_ce_len ? params->max_ce_len : BLE_CE_LEN_MIN);
     }
 
     if (p_conn->init_phy_mask & 0x02) {
@@ -1606,8 +1597,8 @@ BOOLEAN btsnd_hcic_ble_create_ext_conn(tHCI_CreatExtConn *p_conn)
         UINT16_TO_STREAM(pp, params->conn_interval_max);
         UINT16_TO_STREAM(pp, params->conn_latency);
         UINT16_TO_STREAM(pp, params->sup_timeout);
-        UINT16_TO_STREAM(pp, BLE_CE_LEN_MIN);
-        UINT16_TO_STREAM(pp, BLE_CE_LEN_MIN);
+        UINT16_TO_STREAM(pp, params->min_ce_len ? params->min_ce_len : BLE_CE_LEN_MIN);
+        UINT16_TO_STREAM(pp, params->max_ce_len ? params->max_ce_len : BLE_CE_LEN_MIN);
     }
 
     if (p_conn->init_phy_mask & 0x04) {
@@ -1618,8 +1609,8 @@ BOOLEAN btsnd_hcic_ble_create_ext_conn(tHCI_CreatExtConn *p_conn)
         UINT16_TO_STREAM(pp, params->conn_interval_max);
         UINT16_TO_STREAM(pp, params->conn_latency);
         UINT16_TO_STREAM(pp, params->sup_timeout);
-        UINT16_TO_STREAM(pp, BLE_CE_LEN_MIN);
-        UINT16_TO_STREAM(pp, BLE_CE_LEN_MIN);
+        UINT16_TO_STREAM(pp, params->min_ce_len ? params->min_ce_len : BLE_CE_LEN_MIN);
+        UINT16_TO_STREAM(pp, params->max_ce_len ? params->max_ce_len : BLE_CE_LEN_MIN);
     }
 
     btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
@@ -1627,14 +1618,15 @@ BOOLEAN btsnd_hcic_ble_create_ext_conn(tHCI_CreatExtConn *p_conn)
 
 }
 
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 BOOLEAN btsnd_hcic_ble_periodic_adv_create_sync(UINT8 option, UINT8 adv_sid,
                                                                        UINT8 adv_addr_type, BD_ADDR adv_addr,
-                                                                       UINT16 sync_timeout, UINT8 unused)
+                                                                       UINT16 sync_timeout, UINT8 sync_cte_type)
 {
     BT_HDR *p;
     UINT8 *pp;
-    HCI_TRACE_EVENT("%s, option = %d, adv_sid = %d, adv_addr_type = %d, sync_timeout = %d, unused = %d",
-                                   __func__, option, adv_sid, adv_addr_type, sync_timeout, unused);
+    HCI_TRACE_EVENT("%s, option = %d, adv_sid = %d, adv_addr_type = %d, sync_timeout = %d, sync_cte_type = %d",
+                                   __func__, option, adv_sid, adv_addr_type, sync_timeout, sync_cte_type);
 
     HCI_TRACE_EVENT("addr %02x %02x %02x %02x %02x %02x", adv_addr[0], adv_addr[1], adv_addr[2], adv_addr[3], adv_addr[4], adv_addr[5]);
     uint16_t skip = 0;
@@ -1648,7 +1640,7 @@ BOOLEAN btsnd_hcic_ble_periodic_adv_create_sync(UINT8 option, UINT8 adv_sid,
     BDADDR_TO_STREAM(pp, adv_addr);
     UINT16_TO_STREAM(pp, skip);
     UINT16_TO_STREAM(pp, sync_timeout);
-    UINT8_TO_STREAM(pp, unused);
+    UINT8_TO_STREAM(pp, sync_cte_type);
 
     btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
     return TRUE;
@@ -1750,6 +1742,7 @@ UINT8 btsnd_hcic_ble_read_periodic_adv_list_size(void)
 
     return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
 }
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
 
 UINT8 btsnd_hcic_ble_read_trans_power(void)
 {
@@ -1910,7 +1903,7 @@ UINT8 btsnd_hcic_ble_set_default_periodic_adv_sync_trans_params(UINT8 mode, UINT
 }
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
-UINT8 btsnd_hcic_ble_set_privacy_mode(UINT8 addr_type, BD_ADDR addr, UINT8 privacy_mode)
+BOOLEAN btsnd_hcic_ble_set_privacy_mode(UINT8 addr_type, BD_ADDR addr, UINT8 privacy_mode)
 {
     BT_HDR *p;
     UINT8 *pp;
@@ -1933,4 +1926,885 @@ UINT8 btsnd_hcic_ble_set_privacy_mode(UINT8 addr_type, BD_ADDR addr, UINT8 priva
     btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
     return (TRUE);
 }
+
+#if (BLE_VENDOR_HCI_EN == TRUE)
+BOOLEAN btsnd_hcic_ble_clear_adv (void)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    if ((p = HCI_GET_CMD_BUF (HCIC_PARAM_SIZE_BLE_CLEAR_ADV)) == NULL) {
+        return (FALSE);
+    }
+
+    pp = (UINT8 *)(p + 1);
+
+    p->len = HCIC_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_CLEAR_ADV;
+    p->offset = 0;
+
+    UINT16_TO_STREAM (pp, HCI_VENDOR_BLE_CLEAR_ADV);
+    UINT8_TO_STREAM (pp, HCIC_PARAM_SIZE_BLE_CLEAR_ADV);
+
+    btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+
+BOOLEAN btsnd_hcic_ble_set_csa_support (UINT8 csa_select)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    if ((p = HCI_GET_CMD_BUF (HCIC_PARAM_SIZE_BLE_SET_CSA_SUPPORT)) == NULL) {
+        return (FALSE);
+    }
+
+    pp = (UINT8 *)(p + 1);
+
+    p->len = HCIC_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_SET_CSA_SUPPORT;
+    p->offset = 0;
+
+    UINT16_TO_STREAM (pp, HCI_VENDOR_BLE_SET_CSA_SUPPORT);
+    UINT8_TO_STREAM (pp, HCIC_PARAM_SIZE_BLE_SET_CSA_SUPPORT);
+    UINT8_TO_STREAM (pp, csa_select);
+
+    btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+
+BOOLEAN btsnd_hcic_ble_set_vendor_evt_mask (UINT32 evt_mask)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    if ((p = HCI_GET_CMD_BUF (HCIC_PARAM_SIZE_BLE_SET_VENDOR_EVT_MASK)) == NULL) {
+        return (FALSE);
+    }
+
+    pp = (UINT8 *)(p + 1);
+
+    p->len = HCIC_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_SET_VENDOR_EVT_MASK;
+    p->offset = 0;
+
+    UINT16_TO_STREAM (pp, HCI_VENDOR_BLE_SET_EVT_MASK);
+    UINT8_TO_STREAM (pp, HCIC_PARAM_SIZE_BLE_SET_VENDOR_EVT_MASK);
+    UINT32_TO_STREAM (pp, evt_mask);
+
+    btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+#endif // #if (BLE_VENDOR_HCI_EN == TRUE)
 #endif
+
+#if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+UINT8 btsnd_hcic_ble_big_create(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                                uint32_t sdu_interval, uint16_t max_sdu, uint16_t max_transport_latency,
+                                uint8_t rtn, uint8_t phy, uint8_t packing, uint8_t framing,
+                                uint8_t encryption, uint8_t *broadcast_code)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci big create: big_handle %d, adv_handle %d, num_bis %d sdu_interval %d max_sdu %d max_transport_latency %d \
+    rtn %d phy %d packing %d framing %d encryption %d", big_handle, adv_handle, num_bis, sdu_interval, max_sdu,\
+    max_transport_latency, rtn, phy, packing, framing, encryption);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_BIG_CREATE_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_CREATE_BIG);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_BIG_CREATE_PARAMS);
+
+    UINT8_TO_STREAM(pp, big_handle);
+    UINT8_TO_STREAM(pp, adv_handle);
+    UINT8_TO_STREAM(pp, num_bis);
+    UINT24_TO_STREAM(pp, sdu_interval);
+    UINT16_TO_STREAM(pp, max_sdu);
+    UINT16_TO_STREAM(pp, max_transport_latency);
+    UINT8_TO_STREAM(pp, rtn);
+    UINT8_TO_STREAM(pp, phy);
+    UINT8_TO_STREAM(pp, packing);
+    UINT8_TO_STREAM(pp, framing);
+    UINT8_TO_STREAM(pp, encryption);
+    ARRAY_TO_STREAM(pp, broadcast_code, 16);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+
+UINT8 btsnd_hcic_ble_big_create_test(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                                    uint32_t sdu_interval, uint16_t iso_interval, uint8_t nse,
+                                    uint16_t max_sdu, uint16_t max_pdu, uint8_t phy,
+                                    uint8_t packing, uint8_t framing, uint8_t bn, uint8_t irc,
+                                    uint8_t pto, uint8_t encryption, uint8_t *broadcast_code)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("%s big_handle %d, adv_handle %d, num_bis %d sdu_interval %d max_sdu %d max_pdu %d iso_interval %d \
+    nse %d phy %d packing %d framing %d bn %d irc %dencryption %d", __func__, big_handle, adv_handle, num_bis, sdu_interval, max_sdu, max_pdu, \
+    iso_interval, nse, phy, packing, framing, bn, irc, encryption);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_BIG_CREATE_TEST_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_CREATE_BIG_TEST);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_BIG_CREATE_TEST_PARAMS);
+
+    UINT8_TO_STREAM(pp, big_handle);
+    UINT8_TO_STREAM(pp, adv_handle);
+    UINT8_TO_STREAM(pp, num_bis);
+    UINT24_TO_STREAM(pp, sdu_interval);
+    UINT16_TO_STREAM(pp, iso_interval);
+    UINT8_TO_STREAM(pp, nse);
+    UINT16_TO_STREAM(pp, max_sdu);
+    UINT16_TO_STREAM(pp, max_pdu);
+    UINT8_TO_STREAM(pp, phy);
+    UINT8_TO_STREAM(pp, packing);
+    UINT8_TO_STREAM(pp, framing);
+    UINT8_TO_STREAM(pp, bn);
+    UINT8_TO_STREAM(pp, irc);
+    UINT8_TO_STREAM(pp, pto);
+    UINT8_TO_STREAM(pp, encryption);
+    ARRAY_TO_STREAM(pp, broadcast_code, 16);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+
+UINT8 btsnd_hcic_ble_big_terminate(uint8_t big_handle, uint8_t reason)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("%s big_handle %d reason 0x%x", __func__, big_handle, reason);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_BIG_TERMINATE_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_TERMINATE_BIG);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_BIG_TERMINATE_PARAMS);
+
+    UINT8_TO_STREAM(pp, big_handle);
+    UINT8_TO_STREAM(pp, reason);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+UINT8 btsnd_hcic_ble_big_sync_create(uint8_t big_handle, uint16_t sync_handle,
+                                    uint8_t encryption, uint8_t *bc_code,
+                                    uint8_t mse, uint16_t big_sync_timeout,
+                                    uint8_t num_bis, uint8_t *bis)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("big sync create: big_handle %d sync_handle %d encryption %d mse %d big_sync_timeout %d", big_handle, sync_handle, encryption, mse, big_sync_timeout);
+
+    // for (uint8_t i = 0; i < num_bis; i++)
+    // {
+    //     HCI_TRACE_ERROR("i %d bis %d", bis[i]);
+    // }
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_BIG_SYNC_CREATE_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_BIG_CREATE_SYNC);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_BIG_SYNC_CREATE_PARAMS);
+
+    UINT8_TO_STREAM(pp, big_handle);
+    UINT16_TO_STREAM(pp, sync_handle);
+    UINT8_TO_STREAM(pp, encryption);
+    ARRAY_TO_STREAM(pp, bc_code, 16);
+    UINT8_TO_STREAM(pp, mse);
+    UINT16_TO_STREAM(pp, big_sync_timeout);
+    UINT8_TO_STREAM(pp, num_bis);
+    ARRAY_TO_STREAM(pp, bis, num_bis);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+
+UINT8 btsnd_hcic_ble_big_sync_terminate(uint8_t big_handle)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("%s big_handle %d", __func__, big_handle);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_BIG_SYNC_TERMINATE_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_BIG_TERMINATE_SYNC);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_BIG_SYNC_TERMINATE_PARAMS);
+
+    UINT8_TO_STREAM(pp, big_handle);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+UINT8 btsnd_hcic_ble_iso_set_data_path(uint16_t conn_handle, uint8_t data_path_dir, uint8_t data_path_id, uint8_t coding_fmt,
+                                    uint16_t company_id, uint16_t vs_codec_id, uint32_t controller_delay, uint8_t codec_len,
+                                    uint8_t *codec_cfg)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set data path: conn_handle %d data_path_dir %d data_path_id %d coding_fmt %d company_id 0x%x vs_codec_id %d controller_delay %ld codec_len %d",
+                    conn_handle, data_path_dir, data_path_id, coding_fmt, company_id, vs_codec_id, controller_delay, codec_len);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_SET_DATA_PATH_PARAMS + codec_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_SET_DATA_PATH);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_SET_DATA_PATH_PARAMS + codec_len);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT8_TO_STREAM(pp, data_path_dir);
+    UINT8_TO_STREAM(pp, data_path_id);
+    UINT8_TO_STREAM(pp, coding_fmt);
+    UINT16_TO_STREAM(pp, company_id);
+    UINT16_TO_STREAM(pp, vs_codec_id);
+    UINT24_TO_STREAM(pp, controller_delay);
+    UINT8_TO_STREAM(pp, codec_len);
+    if (codec_len && codec_cfg) {
+        ARRAY_TO_STREAM(pp, codec_cfg, codec_len);
+    }
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_iso_remove_data_path(uint16_t conn_handle, uint8_t data_path_dir)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci remove data path: conn_handle %d data_path_dir %d", conn_handle, data_path_dir);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_REMOVE_DATA_PATH_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_REMOVE_DATA_PATH);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_REMOVE_DATA_PATH_PARAMS);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT8_TO_STREAM(pp, data_path_dir);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_iso_read_tx_sync(uint16_t iso_hdl)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci read iso tx sync: iso_hdl %d", iso_hdl);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_READ_TX_SYNC_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_READ_TX_SYNC);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_READ_TX_SYNC_PARAMS);
+    // Bit_Number V1
+    UINT16_TO_STREAM(pp, iso_hdl);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+UINT8 btsnd_hcic_ble_iso_set_cig_params(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t worse_case_SCA, uint8_t packing,
+                                        uint8_t framing, uint16_t mtl_c_to_p, uint16_t mtl_p_to_c, uint8_t cis_cnt, struct ble_hci_le_cis_params *cis_params)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set cig params: cig_id %d sdu_int_c_to_p %d sdu_int_p_to_c %d worse_case_SCA %d packing %d framing %d mtl_c_to_p %d mtl_p_to_c %d cis_cnt %d",
+                    cig_id, sdu_int_c_to_p, sdu_int_p_to_c, worse_case_SCA, packing, framing, mtl_c_to_p, mtl_p_to_c, cis_cnt);
+    UINT8 cis_param_len = cis_cnt * 9;
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_SET_CIG_PARAMS + cis_param_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_SET_CIG_PARAMS);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_SET_CIG_PARAMS + cis_param_len);
+
+    UINT8_TO_STREAM(pp, cig_id);
+    UINT24_TO_STREAM(pp, sdu_int_c_to_p);
+    UINT24_TO_STREAM(pp, sdu_int_p_to_c);
+    UINT8_TO_STREAM(pp, worse_case_SCA);
+    UINT8_TO_STREAM(pp, packing);
+    UINT8_TO_STREAM(pp, framing);
+    UINT16_TO_STREAM(pp, mtl_c_to_p);
+    UINT16_TO_STREAM(pp, mtl_p_to_c);
+    UINT8_TO_STREAM(pp, cis_cnt);
+
+    for (uint8_t i = 0; i < cis_cnt; i++)
+    {
+        UINT8_TO_STREAM(pp, cis_params[i].cis_id);
+        UINT16_TO_STREAM(pp, cis_params[i].max_sdu_c_to_p);
+        UINT16_TO_STREAM(pp, cis_params[i].max_sdu_p_to_c);
+        UINT8_TO_STREAM(pp, cis_params[i].phy_c_to_p);
+        UINT8_TO_STREAM(pp, cis_params[i].phy_p_to_c);
+        UINT8_TO_STREAM(pp, cis_params[i].rtn_c_to_p);
+        UINT8_TO_STREAM(pp, cis_params[i].rtn_p_to_c);
+    }
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_iso_set_cig_params_test(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t ft_c_to_p, uint8_t ft_p_to_c,
+                                            uint16_t iso_interval, uint8_t worse_case_SCA, uint8_t packing, uint8_t framing, uint8_t cis_cnt,
+                                            struct ble_hci_le_cis_params_test *cis_params_test)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set cig params test: cig_id %d sdu_int_c_to_p %d sdu_int_p_to_c %d ft_c_to_p %d ft_p_to_c %d iso_interval %d worse_case_SCA %d packing %d framing %d cis_cnt %d",
+                    cig_id, sdu_int_c_to_p, sdu_int_p_to_c, ft_c_to_p, ft_p_to_c, iso_interval, worse_case_SCA, packing, framing, cis_cnt);
+    UINT8 cis_param_len = cis_cnt * 14;
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_SET_CIG_TEST_PARAMS + cis_param_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_SET_CIG_PARAMS_TEST);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_SET_CIG_TEST_PARAMS + cis_param_len);
+
+    UINT8_TO_STREAM(pp, cig_id);
+    UINT24_TO_STREAM(pp, sdu_int_c_to_p);
+    UINT24_TO_STREAM(pp, sdu_int_p_to_c);
+    UINT8_TO_STREAM(pp, ft_c_to_p);
+    UINT8_TO_STREAM(pp, ft_p_to_c);
+    UINT16_TO_STREAM(pp, iso_interval);
+    UINT8_TO_STREAM(pp, worse_case_SCA);
+    UINT8_TO_STREAM(pp, packing);
+    UINT8_TO_STREAM(pp, framing);
+    UINT8_TO_STREAM(pp, cis_cnt);
+
+    for (uint8_t i = 0; i < cis_cnt; i++)
+    {
+        UINT8_TO_STREAM(pp, cis_params_test[i].cis_id);
+        UINT8_TO_STREAM(pp, cis_params_test[i].nse);
+        UINT16_TO_STREAM(pp, cis_params_test[i].max_sdu_c_to_p);
+        UINT16_TO_STREAM(pp, cis_params_test[i].max_sdu_p_to_c);
+        UINT16_TO_STREAM(pp, cis_params_test[i].max_pdu_c_to_p);
+        UINT16_TO_STREAM(pp, cis_params_test[i].max_pdu_p_to_c);
+        UINT8_TO_STREAM(pp, cis_params_test[i].phy_c_to_p);
+        UINT8_TO_STREAM(pp, cis_params_test[i].phy_p_to_c);
+        UINT8_TO_STREAM(pp, cis_params_test[i].bn_c_to_p);
+        UINT8_TO_STREAM(pp, cis_params_test[i].bn_p_to_c);
+    }
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_iso_create_cis(uint8_t cis_count, struct ble_hci_cis_hdls *cis_hdls)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci create cis: cig_id ", cis_count);
+    // for (uint8_t i = 0; i < cis_count; i++)
+    // {
+    //     HCI_TRACE_ERROR("i %d cis_hdl %d acl_hdl %d", i, cis_hdls[i].cis_hdl, cis_hdls[i].acl_hdl);
+    // }
+
+    UINT8 cis_param_len = cis_count * 4;
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_CREATE_CIS_PARAMS + cis_param_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_CREATE_CIS);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_CREATE_CIS_PARAMS + cis_param_len);
+
+    UINT8_TO_STREAM(pp, cis_count);
+
+    for (uint8_t i = 0; i < cis_count; i++)
+    {
+        UINT16_TO_STREAM(pp, cis_hdls[i].cis_hdl);
+        UINT16_TO_STREAM(pp, cis_hdls[i].acl_hdl);
+    }
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+
+    return TRUE;
+}
+
+UINT8 btsnd_hcic_ble_iso_remove_cig(uint8_t cig_id)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci remove cig: cig_id %d", cig_id);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_REMOVE_CIG_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_REMOVE_CIG);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_REMOVE_CIG_PARAMS);
+
+    UINT8_TO_STREAM(pp, cig_id);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+UINT8 btsnd_hcic_ble_iso_accept_cis_req(uint16_t cis_handle)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci accept cis req: cis_handle %d", cis_handle);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_ACCEPT_CIS_REQ_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_ACCEPT_CIS_REQ);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_ACCEPT_CIS_REQ_PARAMS);
+
+    UINT16_TO_STREAM(pp, cis_handle);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+
+    return TRUE;
+}
+
+UINT8 btsnd_hcic_ble_iso_reject_cis_req(uint16_t cis_handle, uint8_t reason)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci reject cis req: cis_handle %d reason %d", cis_handle, reason);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_REJECT_CIS_REQ_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_REJECT_CIS_REQ);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_REJECT_CIS_REQ_PARAMS);
+
+    UINT16_TO_STREAM(pp, cis_handle);
+    UINT8_TO_STREAM(pp, reason);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+UINT8 btsnd_hcic_ble_iso_read_iso_link_quality(uint16_t iso_handle)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci read iso link quality: cis_handle %d", iso_handle);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ISO_READ_LINK_QUALITY_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ISO_READ_ISO_LINK_QUALITY);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ISO_READ_LINK_QUALITY_PARAMS);
+
+    UINT16_TO_STREAM(pp, iso_handle);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+UINT8 btsnd_hcic_ble_set_connless_cte_trans_params(uint8_t adv_hdl, uint8_t cte_len, uint8_t cte_type,
+                                                uint8_t cte_cnt, uint8_t switching_pattern_len, uint8_t *antenna_ids)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set connless cte trans: adv_hdl %d cte_len %d cte_type %d cte_cnt %d", adv_hdl, cte_len, cte_type, cte_cnt);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_CONNLESS_CTE_TRANS_PARAMS + switching_pattern_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_CONNLESS_CTE_TRANS_PARAMS);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_CONNLESS_CTE_TRANS_PARAMS + switching_pattern_len);
+
+    UINT8_TO_STREAM(pp, adv_hdl);
+    UINT8_TO_STREAM(pp, cte_len);
+    UINT8_TO_STREAM(pp, cte_type);
+    UINT8_TO_STREAM(pp, cte_cnt);
+    UINT8_TO_STREAM(pp, switching_pattern_len);
+    for (uint8_t i = 0; i < switching_pattern_len; i++)
+    {
+        UINT8_TO_STREAM(pp, antenna_ids[i]);
+    }
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_set_connless_cte_enable(uint8_t adv_hdl, uint8_t cte_en)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set connect cte enable: adv_hdl %d cte_en %d", adv_hdl, cte_en);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_CONNLESS_CTE_TRANS_ENABLE);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_CONNLESS_CTE_TRANS_ENABLE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_CONNLESS_CTE_TRANS_ENABLE);
+
+    UINT8_TO_STREAM(pp, adv_hdl);
+    UINT8_TO_STREAM(pp, cte_en);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_set_connless_iq_sampling_enable(uint16_t sync_hdl, uint8_t sampling_en, uint8_t slot_dur,
+                                                uint8_t max_sampled_ctes, uint8_t switching_pattern_len, uint8_t *antenna_ids)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci enable IQ sampling: sync_hdl %d sampling_en %d slot_dur %d", sync_hdl, sampling_en, slot_dur);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_CONNLESS_IQ_SAMPLING_ENABLE + switching_pattern_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_CONNLESS_IQ_SAMPLING_ENABLE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_CONNLESS_IQ_SAMPLING_ENABLE + switching_pattern_len);
+
+    UINT16_TO_STREAM(pp, sync_hdl);
+    UINT8_TO_STREAM(pp, sampling_en);
+    UINT8_TO_STREAM(pp, slot_dur);
+    UINT8_TO_STREAM(pp, max_sampled_ctes);
+    UINT8_TO_STREAM(pp, switching_pattern_len);
+    for (uint8_t i = 0; i < switching_pattern_len; i++)
+    {
+        UINT8_TO_STREAM(pp, antenna_ids[i]);
+    }
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+UINT8 btsnd_hcic_ble_set_conn_cte_receive_params(uint16_t conn_hdl, uint8_t sampling_en, uint8_t slot_dur,
+                                                uint8_t switching_pattern_len, uint8_t *antenna_ids)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set connection cte receive params: conn_hdl %d sampling_en %d slot_dur %d", conn_hdl, sampling_en, slot_dur);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_CONN_CTE_RECEIVE_PARAMS + switching_pattern_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_CONN_CTE_RECEIVE_PARAMS);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_CONN_CTE_RECEIVE_PARAMS + switching_pattern_len);
+
+    UINT16_TO_STREAM(pp, conn_hdl);
+    UINT8_TO_STREAM(pp, sampling_en);
+    UINT8_TO_STREAM(pp, slot_dur);
+    UINT8_TO_STREAM(pp, switching_pattern_len);
+    for (uint8_t i = 0; i < switching_pattern_len; i++)
+    {
+        UINT8_TO_STREAM(pp, antenna_ids[i]);
+    }
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_set_conn_cte_trans_params(uint16_t conn_hdl, uint8_t cte_type, uint8_t switching_pattern_len, uint8_t *antenna_ids)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set connection cte trans params: conn_hdl %d cte_type %d len %d", conn_hdl, cte_type, switching_pattern_len);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_CONN_CTE_TRANS_PARAMS + switching_pattern_len);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_CONN_CTE_TRANS_PARAMS);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_CONN_CTE_TRANS_PARAMS + switching_pattern_len);
+
+    UINT16_TO_STREAM(pp, conn_hdl);
+    UINT8_TO_STREAM(pp, cte_type);
+    UINT8_TO_STREAM(pp, switching_pattern_len);
+    for (uint8_t i = 0; i < switching_pattern_len; i++)
+    {
+        UINT8_TO_STREAM(pp, antenna_ids[i]);
+    }
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_conn_cte_req_enable(uint16_t conn_hdl, uint8_t enable, uint16_t cte_req_int, uint8_t req_cte_len, uint8_t req_cte_type)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set connect cte request enable: conn_hdl %d enable %d cte_req_int %d req_cte_len %d req_cte_type %d", conn_hdl, enable, cte_req_int, req_cte_len, req_cte_type);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_CONN_CTE_REQ_ENABLE);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_CONN_CTE_REQ_ENABLE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_CONN_CTE_REQ_ENABLE);
+
+    UINT16_TO_STREAM(pp, conn_hdl);
+    UINT8_TO_STREAM(pp, enable);
+    UINT16_TO_STREAM(pp, cte_req_int);
+    UINT8_TO_STREAM(pp, req_cte_len);
+    UINT8_TO_STREAM(pp, req_cte_type);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_conn_cte_rsp_enable(uint16_t conn_hdl, uint8_t enable)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set connect cte response enable: conn_hdl %d enable %d", conn_hdl, enable);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_CONN_CTE_RSP_ENABLE);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_CONN_CTE_RSP_ENABLE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_CONN_CTE_RSP_ENABLE);
+
+    UINT16_TO_STREAM(pp, conn_hdl);
+    UINT8_TO_STREAM(pp, enable);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+
+UINT8 btsnd_hcic_ble_read_antenna_info(void)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci read antenna information");
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_READ_ANT_INFO);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_READ_ANT_INFOR);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_READ_ANT_INFO);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+UINT8 btsnd_hcic_ble_enh_read_trans_power_level(uint16_t conn_handle, uint8_t phy)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci enh read trans power level, conn_handle %d phy %d", conn_handle, phy);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_ENH_READ_TRANS_PWR_LEVEL);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_ENH_READ_TRANS_POWER_LEVEL);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_ENH_READ_TRANS_PWR_LEVEL);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT8_TO_STREAM(pp, phy);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_read_remote_trans_power_level(uint16_t conn_handle, uint8_t phy)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci read remote trans power level, conn_handle %d phy %d", conn_handle, phy);
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_READ_REMOTE_TRANS_PWR_LEVEL);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_READ_REMOTE_TRANS_POWER_LEVEL);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_READ_REMOTE_TRANS_PWR_LEVEL);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT8_TO_STREAM(pp, phy);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+
+    return TRUE;
+}
+
+UINT8 btsnd_hcic_ble_set_path_loss_rpt_params(uint16_t conn_handle, uint8_t high_threshold, uint8_t high_hysteresis,
+                                            uint8_t low_threshold, uint8_t low_hysteresis, uint16_t min_time_spent)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set path loss rpt params, conn_handle %d high_threshold %d high_hysteresis %d low_threshold %d low_hysteresis %d min_time_spent %d",
+                    conn_handle, high_threshold, high_hysteresis, low_threshold,
+                    low_hysteresis, min_time_spent);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_PATH_LOSS_REPORTING_PARAMS);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_PATH_LOSS_REPORTING_PARAMS);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_PATH_LOSS_REPORTING_PARAMS);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT8_TO_STREAM(pp, high_threshold);
+    UINT8_TO_STREAM(pp, high_hysteresis);
+    UINT8_TO_STREAM(pp, low_threshold);
+    UINT8_TO_STREAM(pp, low_hysteresis);
+    UINT16_TO_STREAM(pp, min_time_spent);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_set_path_loss_rpt_enable(uint16_t conn_handle, uint8_t enable)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set path loss rpt en, conn_handle %d enable %d", conn_handle, enable);
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_PATH_LOSS_REPORTING_ENABLE);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_PATH_LOSS_REPORTING_ENABLE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_PATH_LOSS_REPORTING_ENABLE);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT8_TO_STREAM(pp, enable);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_set_trans_pwr_rpt_enable(uint16_t conn_handle, uint8_t local_enable, uint8_t remote_enable)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set trans power rpt en, conn_handle %d local_enable %d remote_enable %d", conn_handle, local_enable, remote_enable);
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_TRANS_PWR_REPORTING_ENABLE);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_TRANS_POWER_REPORTING_ENABLE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_TRANS_PWR_REPORTING_ENABLE);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT8_TO_STREAM(pp, local_enable);
+    UINT8_TO_STREAM(pp, remote_enable);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+UINT8 btsnd_hcic_ble_set_default_subrate(UINT16 subrate_min, UINT16 subrate_max, UINT16 max_latency,
+                                            UINT16 continuation_number, UINT16 supervision_timeout)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set default subrate, subrate_min %d subrate_max %d max_latency %d continuation_number %d supervision_timeout %d",
+                                                        subrate_min, subrate_max, max_latency, continuation_number, supervision_timeout);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_DEFAULT_SUBRATE_PARAMS_LEN);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_DEFAULT_SUBRATE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_DEFAULT_SUBRATE_PARAMS_LEN);
+
+    UINT16_TO_STREAM(pp, subrate_min);
+    UINT16_TO_STREAM(pp, subrate_max);
+    UINT16_TO_STREAM(pp, max_latency);
+    UINT16_TO_STREAM(pp, continuation_number);
+    UINT16_TO_STREAM(pp, supervision_timeout);
+
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+
+UINT8 btsnd_hcic_ble_subrate_request(UINT16 conn_handle, UINT16 subrate_min, UINT16 subrate_max, UINT16 max_latency,
+                                        UINT16 continuation_number, UINT16 supervision_timeout)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci subrate req, conn_handle %d subrate_min %d subrate_max %d max_latency %d continuation_number %d supervision_timeout %d",
+                                                    conn_handle, subrate_min, subrate_max, max_latency, continuation_number, supervision_timeout);
+
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SUBRATE_REQ_LENGTH_PARAMS_LEN);
+
+    pp = (UINT8 *)(p + 1);
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SUBRATE_REQUEST);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SUBRATE_REQ_LENGTH_PARAMS_LEN);
+
+    UINT16_TO_STREAM(pp, conn_handle);
+    UINT16_TO_STREAM(pp, subrate_min);
+    UINT16_TO_STREAM(pp, subrate_max);
+    UINT16_TO_STREAM(pp, max_latency);
+    UINT16_TO_STREAM(pp, continuation_number);
+    UINT16_TO_STREAM(pp, supervision_timeout);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return TRUE;
+}
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+UINT8 btsnd_hcic_ble_set_host_feature(uint16_t bit_num, uint8_t bit_val)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    HCI_TRACE_DEBUG("hci set host feature: bit_num %d bit_val %d", bit_num, bit_val);
+#if (BLE_FEAT_ISO_60_EN == TRUE)
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_HOST_FEATURE_PARAMS_V2);
+#else
+    HCIC_BLE_CMD_CREATED(p, pp, HCIC_PARAM_SIZE_SET_HOST_FEATURE_PARAMS);
+#endif // #if (BLE_FEAT_ISO_60_EN == TRUE)
+    pp = (UINT8 *)(p + 1);
+#if (BLE_FEAT_ISO_60_EN == TRUE)
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_HOST_FEATURE_V2);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_HOST_FEATURE_PARAMS_V2);
+    // Bit_Number V1
+    UINT16_TO_STREAM(pp, bit_num);
+#else
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_HOST_FEATURE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_HOST_FEATURE_PARAMS);
+    // Bit_Number V1
+    UINT8_TO_STREAM(pp, bit_num);
+#endif // #if (BLE_FEAT_ISO_60_EN == TRUE)
+    UINT8_TO_STREAM(pp, bit_val);
+    return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
+}
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
diff --git a/lib/bt/host/bluedroid/stack/include/stack/a2d_sbc.h b/lib/bt/host/bluedroid/stack/include/stack/a2d_sbc.h
index 065f264f..088d11ab 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/a2d_sbc.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/a2d_sbc.h
@@ -30,7 +30,12 @@
 /* the length of the SBC Media Payload header. */
 #define A2D_SBC_MPL_HDR_LEN         1
 
-/* the LOSC of SBC media codec capabilitiy */
+/* CIE offset in the info byte sequence */
+#define A2D_SBC_CIE_OFF             3
+/* CIE length in the info byte sequence */
+#define A2D_SBC_CIE_LEN             4
+
+/* the LOSC of SBC media codec capability */
 #define A2D_SBC_INFO_LEN            6
 
 /* for Codec Specific Information Element */
diff --git a/lib/bt/host/bluedroid/stack/include/stack/acl_hci_link_interface.h b/lib/bt/host/bluedroid/stack/include/stack/acl_hci_link_interface.h
index f62c654f..60c0f26a 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/acl_hci_link_interface.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/acl_hci_link_interface.h
@@ -10,6 +10,6 @@
 #include "bt_common.h"
 
 void btm_acl_connected(BD_ADDR bda, UINT16 handle, UINT8 link_type, UINT8 enc_mode, UINT8 status);
-void btm_acl_disconnected(UINT16 handle, UINT8 reason);
+BOOLEAN btm_acl_disconnected(UINT16 handle, UINT8 reason);
 
 #endif /* ACL_HCI_LINK_INTERFACE_H */
diff --git a/lib/bt/host/bluedroid/stack/include/stack/avdt_api.h b/lib/bt/host/bluedroid/stack/include/stack/avdt_api.h
index 42a1f855..00c16f49 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/avdt_api.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/avdt_api.h
@@ -519,6 +519,18 @@ extern UINT16 AVDT_CreateStream(UINT8 *p_handle, tAVDT_CS *p_cs);
 
 /*******************************************************************************
 **
+** Function         AVDT_UpdateCodecInfo
+**
+** Description      Update codec capability for a stream endpoint.
+**
+**
+** Returns          AVDT_SUCCESS if successful, otherwise error.
+**
+*******************************************************************************/
+extern UINT16 AVDT_UpdateCodecInfo(UINT8 handle, UINT8 num_codec, UINT8 *codec_info, UINT16 codec_info_len);
+
+/*******************************************************************************
+**
 ** Function         AVDT_RemoveStream
 **
 ** Description      Remove a stream endpoint.  This function is called when
diff --git a/lib/bt/host/bluedroid/stack/include/stack/avrc_api.h b/lib/bt/host/bluedroid/stack/include/stack/avrc_api.h
index 21f4bee5..2985c65c 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/avrc_api.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/avrc_api.h
@@ -99,6 +99,9 @@
 #define AVRC_SUPF_CT_CAT3               0x0004      /* Category 3 */
 #define AVRC_SUPF_CT_CAT4               0x0008      /* Category 4 */
 #define AVRC_SUPF_CT_BROWSE             0x0040      /* Browsing */
+#define AVRC_SUPF_CT_COVER_ART_GIP      0x0080      /* Cover Art GetImageProperties */
+#define AVRC_SUPF_CT_COVER_ART_GI       0x0100      /* Cover Art GetImage */
+#define AVRC_SUPF_CT_COVER_ART_GLT      0x0200      /* Cover Art GetLinkedThumbnail */
 
 #define AVRC_SUPF_TG_CAT1               0x0001      /* Category 1 */
 #define AVRC_SUPF_TG_CAT2               0x0002      /* Category 2 */
@@ -107,7 +110,8 @@
 #define AVRC_SUPF_TG_APP_SETTINGS       0x0010      /* Player Application Settings */
 #define AVRC_SUPF_TG_GROUP_NAVI         0x0020      /* Group Navigation */
 #define AVRC_SUPF_TG_BROWSE             0x0040      /* Browsing */
-#define AVRC_SUPF_TG_MULTI_PLAYER       0x0080      /* Muliple Media Player */
+#define AVRC_SUPF_TG_MULTI_PLAYER       0x0080      /* Multiple Media Player */
+#define AVRC_SUPF_TG_COVER_ART          0x0100      /* Cover Art */
 
 #define AVRC_META_SUCCESS               AVRC_SUCCESS
 #define AVRC_META_FAIL                  AVRC_FAIL
@@ -561,7 +565,7 @@ extern bt_status_t AVRC_Init(void);
 **
 ** Function         AVRC_Deinit
 **
-** Description      This function is called at stack shotdown to free the
+** Description      This function is called at stack shutdown to free the
 **                  control block (if using dynamic memory), and deinitializes the
 **                  control block and tracing level.
 **
diff --git a/lib/bt/host/bluedroid/stack/include/stack/avrc_defs.h b/lib/bt/host/bluedroid/stack/include/stack/avrc_defs.h
index c90fa6cf..06f73c29 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/avrc_defs.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/avrc_defs.h
@@ -35,6 +35,7 @@
 #define AVRC_REV_1_3        0x0103
 #define AVRC_REV_1_4        0x0104
 #define AVRC_REV_1_5        0x0105
+#define AVRC_REV_1_6        0x0106
 
 #define AVRC_PACKET_LEN             512 /* Per the spec, you must support 512 byte RC packets */
 
@@ -185,7 +186,7 @@
 #define AVRC_PKT_END              3
 #define AVRC_PKT_TYPE_MASK        3
 
-/* Define the PDUs carried in the vendor dependant data
+/* Define the PDUs carried in the vendor dependent data
 */
 #define AVRC_PDU_GET_CAPABILITIES               0x10
 #define AVRC_PDU_LIST_PLAYER_APP_ATTR           0x11
@@ -297,7 +298,7 @@ typedef UINT8 tAVRC_BATTERY_STATUS;
 #define AVRC_MEDIA_ATTR_ID_TRACK_NUM             0x00000004
 #define AVRC_MEDIA_ATTR_ID_NUM_TRACKS            0x00000005
 #define AVRC_MEDIA_ATTR_ID_GENRE                 0x00000006
-#define AVRC_MEDIA_ATTR_ID_PLAYING_TIME          0x00000007        /* in miliseconds */
+#define AVRC_MEDIA_ATTR_ID_PLAYING_TIME          0x00000007        /* in milliseconds */
 #define AVRC_MAX_NUM_MEDIA_ATTR_ID               7
 
 /* Define the possible values of play state
diff --git a/lib/bt/host/bluedroid/stack/include/stack/bt_types.h b/lib/bt/host/bluedroid/stack/include/stack/bt_types.h
index 5d817632..4050b79d 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/bt_types.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/bt_types.h
@@ -486,6 +486,7 @@ typedef struct {
 #define BLE_ADDR_RANDOM_ID      0x03
 #define BLE_ADDR_TYPE_MAX       BLE_ADDR_RANDOM_ID
 #define BLE_ADDR_UNKNOWN_TYPE   0XFF
+#define BLE_ADDR_ANONYMOUS      0xFF
 typedef UINT8 tBLE_ADDR_TYPE;
 #define BLE_ADDR_TYPE_MASK      (BLE_ADDR_RANDOM | BLE_ADDR_PUBLIC)
 
diff --git a/lib/bt/host/bluedroid/stack/include/stack/btm_api.h b/lib/bt/host/bluedroid/stack/include/stack/btm_api.h
index 32420f75..3415df5d 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/btm_api.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/btm_api.h
@@ -75,6 +75,7 @@ enum {
     BTM_SET_STATIC_RAND_ADDR_FAIL,      /* 25 Command failed */
     BTM_INVALID_STATIC_RAND_ADDR,       /* 26 invalid static rand addr */
     BTM_SEC_DEV_REC_REMOVED,            /* 27 Device record relate to the bd_addr is removed */
+    BTM_HCI_ERROR = 128,                /* 128 HCI error code from controller (0x80) */
 };
 
 typedef uint8_t tBTM_STATUS;
@@ -200,6 +201,8 @@ typedef void (tBTM_SET_LOCAL_PRIVACY_CBACK) (UINT8 status);
 typedef void (tBTM_SET_RPA_TIMEOUT_CMPL_CBACK) (UINT8 status);
 
 typedef void (tBTM_ADD_DEV_TO_RESOLVING_LIST_CMPL_CBACK) (UINT8 status);
+
+typedef void (tBTM_BLE_VENDOR_HCI_EVT_CBACK) (UINT8 subevt_code, UINT8 param_len, UINT8 *params);
 /*******************************
 **  Device Coexist status
 ********************************/
@@ -456,22 +459,22 @@ typedef enum {
 #define BTM_COD_SERVICE_INFORMATION         0x8000
 
 /* class of device field macros */
-#define BTM_COD_FORMAT_TYPE(u8, pd)         {u8  = pd[2]&0x03;}
+#define BTM_COD_RESERVED_2(u8, pd)          {u8  = pd[2]&0x03;}
 #define BTM_COD_MINOR_CLASS(u8, pd)         {u8  = pd[2]&0xFC;}
 #define BTM_COD_MAJOR_CLASS(u8, pd)         {u8  = pd[1]&0x1F;}
 #define BTM_COD_SERVICE_CLASS(u16, pd)      {u16 = pd[0]; u16<<=8; u16 += pd[1]&0xE0;}
 
 /* to set the fields (assumes that format type is always 0) */
-#define FIELDS_TO_COD(pd, mn, mj, sv) {pd[2] = mn; pd[1] =              \
-                                       mj+ ((sv)&BTM_COD_SERVICE_CLASS_LO_B); \
-                                       pd[0] = (sv) >> 8;}
+#define FIELDS_TO_COD(pd, rs, mn, mj, sv) {pd[2] = (mn & BTM_COD_MINOR_CLASS_MASK) + (rs & BTM_COD_RESERVED_2_MASK);   \
+                                           pd[1] = mj+ ((sv)&BTM_COD_SERVICE_CLASS_LO_B); \
+                                           pd[0] = (sv) >> 8;}
 
 /* the COD masks */
-#define BTM_COD_FORMAT_TYPE_MASK      0x03
 #define BTM_COD_MINOR_CLASS_MASK      0xFC
 #define BTM_COD_MAJOR_CLASS_MASK      0x1F
 #define BTM_COD_SERVICE_CLASS_LO_B    0x00E0
 #define BTM_COD_SERVICE_CLASS_MASK    0xFFE0
+#define BTM_COD_RESERVED_2_MASK       0x03
 
 /* BTM service definitions
 ** Used for storing EIR data to bit mask
@@ -808,6 +811,16 @@ typedef struct {
     BD_ADDR     rem_bda;
 } tBTM_RSSI_RESULTS;
 
+/* Structure returned with read channel map event (in tBTM_CMPL_CB callback function)
+** in response to BTM_ReadChannelMap call.
+*/
+typedef struct {
+    tBTM_STATUS status;                 /* BTM operation status */
+    UINT8       hci_status;              /* HCI command complete status */
+    UINT8       channel_map[5]; /* Channel map (5 bytes) */
+    BD_ADDR     rem_bda;                 /* Remote device Bluetooth address */
+} tBTM_BLE_CH_MAP_RESULTS;
+
 /* Structure returned with read current TX power event (in tBTM_CMPL_CB callback function)
 ** in response to BTM_ReadTxPower call.
 */
@@ -1027,9 +1040,6 @@ typedef void (tBTM_ACL_DB_CHANGE_CB) (BD_ADDR p_bda, DEV_CLASS p_dc,
 #define BTM_INVALID_SCO_INDEX       0xFFFF
 #define BTM_INVALID_HCI_HANDLE      0xFFFF
 
-/* Define an invalid SCO disconnect reason */
-#define BTM_INVALID_SCO_DISC_REASON 0xFFFF
-
 /* Define first active SCO index */
 #define BTM_FIRST_ACTIVE_SCO_INDEX  BTM_MAX_SCO_LINKS
 
@@ -3024,7 +3034,19 @@ tBTM_STATUS BTM_SwitchRole (BD_ADDR remote_bd_addr,
 //extern
 tBTM_STATUS BTM_ReadRSSI (BD_ADDR remote_bda, tBT_TRANSPORT transport, tBTM_CMPL_CB *p_cb);
 
-
+/*******************************************************************************
+**
+** Function         BTM_ReadChannelMap
+**
+** Description      This function is called to read the current channel map
+**                  for the given connection. The results are returned via
+**                  the callback (tBTM_BLE_CH_MAP_RESULTS).
+**
+** Returns          BTM_CMD_STARTED if successfully initiated or error code
+**
+*******************************************************************************/
+tBTM_STATUS BTM_ReadChannelMap(BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb);
+#if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_ReadTxPower
@@ -3045,10 +3067,13 @@ tBTM_STATUS BTM_ReadTxPower (BD_ADDR remote_bda,
                              tBT_TRANSPORT transport, tBTM_CMPL_CB *p_cb);
 
 tBTM_STATUS BTM_BleReadAdvTxPower(tBTM_CMPL_CB *p_cb);
+#endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE)
 
 void BTM_BleGetWhiteListSize(uint16_t *length);
 
-
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
+void BTM_BleGetPeriodicAdvListSize(uint8_t *size);
+#endif //#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_ReadLinkQuality
@@ -3262,21 +3287,6 @@ UINT8 *BTM_ReadScoBdAddr (UINT16 sco_inx);
 
 /*******************************************************************************
 **
-** Function         BTM_ReadScoDiscReason
-**
-** Description      This function is returns the reason why an (e)SCO connection
-**                  has been removed. It contains the value until read, or until
-**                  another (e)SCO connection has disconnected.
-**
-** Returns          HCI reason or BTM_INVALID_SCO_DISC_REASON if not set.
-**
-*******************************************************************************/
-//extern
-UINT16 BTM_ReadScoDiscReason (void);
-
-
-/*******************************************************************************
-**
 ** Function         BTM_SetEScoMode
 **
 ** Description      This function sets up the negotiated parameters for SCO or
diff --git a/lib/bt/host/bluedroid/stack/include/stack/btm_ble_api.h b/lib/bt/host/bluedroid/stack/include/stack/btm_ble_api.h
index 1bea9908..7ec384ef 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/btm_ble_api.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/btm_ble_api.h
@@ -367,7 +367,6 @@ typedef  UINT32  tBTM_BLE_AD_MASK;
 #define BTM_BLE_AD_TYPE_MANU            HCI_EIR_MANUFACTURER_SPECIFIC_TYPE      /* 0xff */
 typedef UINT8   tBTM_BLE_AD_TYPE;
 
-#define BTM_BLE_LONG_ADV_MAX_LEN  249
 
 /*  Security settings used with L2CAP LE COC */
 #define BTM_SEC_LE_LINK_ENCRYPTED           0x01
@@ -395,7 +394,9 @@ typedef UINT8 tBTM_BLE_ADV_TX_POWER;
 
 /* adv tx power in dBm */
 typedef struct {
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
     UINT8 adv_inst_max;         /* max adv instance supported in controller */
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
     UINT8 rpa_offloading;
     UINT16 tot_scan_results_strg;
     UINT8 max_irk_list_sz;
@@ -499,6 +500,7 @@ typedef struct {
     tBTM_BLE_ADV_TX_POWER tx_power;
 } tBTM_BLE_ADV_PARAMS;
 
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 typedef struct {
     UINT8   *p_sub_code; /* dynamic array to store sub code */
     UINT8   *p_inst_id;  /* dynamic array to store instance id */
@@ -530,6 +532,7 @@ typedef struct {
     tBTM_BLE_MULTI_ADV_INST *p_adv_inst; /* dynamic array to store adv instance */
     tBTM_BLE_MULTI_ADV_OPQ  op_q;
 } tBTM_BLE_MULTI_ADV_CB;
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 
 typedef UINT8 tGATT_IF;
 
@@ -810,15 +813,16 @@ typedef struct {
 
 typedef struct {
     UINT8 filter_policy;
-    #if (CONFIG_BT_BLE_FEAT_CREATE_SYNC_ENH)
+#if (BLE_FEAT_CREATE_SYNC_ENH == TRUE)
     UINT8 reports_disabled;
     UINT8 filter_duplicates;
-    #endif
+#endif // (BLE_FEAT_CREATE_SYNC_ENH == TRUE)
     UINT8 sid;
     tBLE_ADDR_TYPE addr_type;
     BD_ADDR addr;
     UINT16 skip;
     UINT16 sync_timeout;
+    UINT8  sync_cte_type;
 } tBTM_BLE_Periodic_Sync_Params;
 
 typedef struct {
@@ -944,6 +948,7 @@ typedef UINT8   tBTM_BLE_CONN_TYPE;
 #define ADV_INFO_PRESENT        0x00
 #define NO_ADV_INFO_PRESENT     0x01
 
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 typedef btgatt_track_adv_info_t tBTM_BLE_TRACK_ADV_DATA;
 
 typedef void (tBTM_BLE_TRACK_ADV_CBACK)(tBTM_BLE_TRACK_ADV_DATA *p_track_adv_data);
@@ -961,6 +966,7 @@ enum {
 };
 
 typedef UINT8 tBTM_BLE_TRACK_ADV_ACTION;
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 
 #define BTM_BLE_MULTI_ADV_INVALID   0
 
@@ -1007,11 +1013,14 @@ typedef void (tBTM_START_STOP_ADV_CMPL_CBACK) (UINT8 status);
 typedef void (tBTM_UPDATE_DUPLICATE_EXCEPTIONAL_LIST_CMPL_CBACK) (tBTM_STATUS status, uint8_t subcode, uint32_t length, uint8_t *device_info);
 typedef void (tBTM_CLEAR_ADV_CMPL_CBACK) (UINT8 status);
 typedef void (tBTM_SET_PRIVACY_MODE_CMPL_CBACK) (tBTM_STATUS status);
+typedef void (tBTM_SET_CSA_SUPPORT_CMPL_CBACK) (tBTM_STATUS status);
+typedef void (tBTM_SET_VENDOR_EVT_MASK_CBACK) (tBTM_STATUS status);
 
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #define    BTM_BLE_5_GAP_READ_PHY_COMPLETE_EVT                     1
 #define    BTM_BLE_5_GAP_SET_PREFERED_DEFAULT_PHY_COMPLETE_EVT     2
 #define    BTM_BLE_5_GAP_SET_PREFERED_PHY_COMPLETE_EVT             3
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 #define    BTM_BLE_5_GAP_EXT_ADV_SET_RAND_ADDR_COMPLETE_EVT        4
 #define    BTM_BLE_5_GAP_EXT_ADV_SET_PARAMS_COMPLETE_EVT           5
 #define    BTM_BLE_5_GAP_EXT_ADV_DATA_SET_COMPLETE_EVT             6
@@ -1020,29 +1029,42 @@ typedef void (tBTM_SET_PRIVACY_MODE_CMPL_CBACK) (tBTM_STATUS status);
 #define    BTM_BLE_5_GAP_EXT_ADV_STOP_COMPLETE_EVT                 9
 #define    BTM_BLE_5_GAP_EXT_ADV_SET_REMOVE_COMPLETE_EVT           10
 #define    BTM_BLE_5_GAP_EXT_ADV_SET_CLEAR_COMPLETE_EVT            11
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
+#if (BLE_50_PERIODIC_ADV_EN == TRUE)
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_SET_PARAMS_COMPLETE_EVT      12
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_DATA_SET_COMPLETE_EVT        13
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_START_COMPLETE_EVT           14
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_STOP_COMPLETE_EVT            15
+#endif // #if (BLE_50_PERIODIC_ADV_EN == TRUE)
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_CREATE_SYNC_COMPLETE_EVT     16
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_SYNC_CANCEL_COMPLETE_EVT     17
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_SYNC_TERMINATE_COMPLETE_EVT  18
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_ADD_DEV_COMPLETE_EVT         19
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_REMOVE_DEV_COMPLETE_EVT      20
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_CLEAR_DEV_COMPLETE_EVT       21
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 #define    BTM_BLE_5_GAP_SET_EXT_SCAN_PARAMS_COMPLETE_EVT          22
 #define    BTM_BLE_5_GAP_EXT_SCAN_START_COMPLETE_EVT               23
 #define    BTM_BLE_5_GAP_EXT_SCAN_STOP_COMPLETE_EVT                24
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
 #define    BTM_BLE_5_GAP_PREFER_EXT_CONN_PARAMS_SET_COMPLETE_EVT   25
 #define    BTM_BLE_5_GAP_PHY_UPDATE_COMPLETE_EVT                   26
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
 #define    BTM_BLE_5_GAP_EXT_ADV_REPORT_EVT                        27
 #define    BTM_BLE_5_GAP_SCAN_TIMEOUT_EVT                          28
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
 #define    BTM_BLE_5_GAP_ADV_TERMINATED_EVT                        29
 #define    BTM_BLE_5_GAP_SCAN_REQ_RECEIVED_EVT                     30
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
 #define    BTM_BLE_5_GAP_CHANNEL_SELETE_ALGORITHM_EVT              31
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_REPORT_EVT                   32
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_SYNC_LOST_EVT                33
 #define    BTM_BLE_5_GAP_PERIODIC_ADV_SYNC_ESTAB_EVT               34
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 #define    BTM_BLE_GAP_PERIODIC_ADV_RECV_ENABLE_COMPLETE_EVT       35
 #define    BTM_BLE_GAP_PERIODIC_ADV_SYNC_TRANS_COMPLETE_EVT        36
@@ -1051,9 +1073,76 @@ typedef void (tBTM_SET_PRIVACY_MODE_CMPL_CBACK) (tBTM_STATUS status);
 #define    BTM_BLE_GAP_PERIODIC_ADV_SYNC_TRANS_RECV_EVT            39
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 #define    BTM_BLE_GAP_SET_PRIVACY_MODE_COMPLETE_EVT               40
-#define    BTM_BLE_5_GAP_UNKNOWN_EVT                               41
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#define    BTM_BLE_GAP_ENH_READ_TRANS_POWER_LEVEL_EVT              41
+#define    BTM_BLE_GAP_READ_REMOTE_TRANS_POWER_LEVEL_EVT           42
+#define    BTM_BLE_GAP_SET_PATH_LOSS_REPORTING_PARAMS_EVT          43
+#define    BTM_BLE_GAP_SET_PATH_LOSS_REPORTING_ENABLE_EVT          44
+#define    BTM_BLE_GAP_SET_TRANS_POWER_REPORTING_ENABLE_EVT        45
+#define    BTM_BLE_GAP_PATH_LOSS_THRESHOLD_EVT                     46
+#define    BTM_BLE_GAP_TRANMIT_POWER_REPORTING_EVT                 47
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+#define    BTM_BLE_GAP_SET_DEFAULT_SUBRATE_EVT                     48
+#define    BTM_BLE_GAP_SUBRATE_REQUEST_EVT                         49
+#define    BTM_BLE_GAP_SUBRATE_CHANGE_EVT                          50
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+#define    BTM_BLE_GAP_SET_HOST_FEATURE_EVT                        51
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#define    BTM_BLE_5_GAP_UNKNOWN_EVT                               52
 typedef UINT8 tBTM_BLE_5_GAP_EVENT;
 
+#if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#define    BTM_BLE_ISO_BIG_CREATE_COMPLETE_EVT                     1
+#define    BTM_BLE_ISO_BIG_TERMINATE_COMPLETE_EVT                  2
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#define    BTM_BLE_ISO_BIG_SYNC_ESTABLISHED_EVT                    3
+#define    BTM_BLE_ISO_BIG_SYNC_LOST_EVT                           4
+#define    BTM_BLE_ISO_BIG_SYNC_TERMINATE_COMPLETE_EVT             5
+#define    BTM_BLE_ISO_BIGINFO_ADV_REPORT_EVT                      6
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#define    BTM_BLE_ISO_DATA_PATH_UPFATE_EVT                        7
+#define    BTM_BLE_ISO_READ_TX_SYNC_EVT                            9
+#define    BTM_BLE_ISO_READ_LINK_QUALITY_EVT                       10
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+#define    BTM_BLE_ISO_SET_CIG_PARAMS_EVT                          11
+#define    BTM_BLE_ISO_CREATE_CIS_EVT                              12
+#define    BTM_BLE_ISO_REMOVE_CIG_EVT                              13
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#define    BTM_BLE_ISO_ACCEPT_CIS_REQ_EVT                          14
+#define    BTM_BLE_ISO_REJECT_CIS_REQ_EVT                          15
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#define    BTM_BLE_ISO_CIS_ESTABLISHED_EVT                         16
+#define    BTM_BLE_ISO_CIS_REQUEST_EVT                             17
+#define    BTM_BLE_ISO_CIS_DISCONNECTED_EVT                        18
+#define    BTM_BLE_ISO_UNKNOWN_EVT                                 19
+typedef UINT8 tBTM_BLE_ISO_EVENT;
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#define    BTM_BLE_CTE_SET_TRANS_PARAMS_EVT                        1
+#define    BTM_BLE_CTE_SET_TRANS_ENABLE_EVT                        2
+#define    BTM_BLE_CTE_SET_IQ_SAMP_ENABLE_EVT                      3
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+#define    BTM_BLE_CTE_SET_CONN_RECV_PARAMS_EVT                    4
+#define    BTM_BLE_CTE_SET_CONN_TRANS_PARAMS_EVT                   5
+#define    BTM_BLE_CTE_SET_CONN_REQ_ENABLE_EVT                     6
+#define    BTM_BLE_CTE_SET_CONN_RSP_ENABLE_EVT                     7
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+#define    BTM_BLE_CTE_READ_ANT_INFOR_EVT                          8
+#define    BTM_BLE_CTE_CONNLESS_IQ_REPORT_EVT                      9
+#define    BTM_BLE_CTE_CONN_IQ_REPORT_EVT                          10
+#define    BTM_BLE_CTE_REQUEST_FAILED_EVT                          11
+typedef UINT8 tBTM_BLE_CTE_EVENT;
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
 #define BTM_BLE_EXT_ADV_DATA_COMPLETE          0x00
 #define BTM_BLE_EXT_ADV_DATA_INCOMPLETE        0x01
 #define BTM_BLE_EXT_ADV_DATA_TRUNCATED         0x02
@@ -1100,46 +1189,58 @@ typedef struct {
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_SET_PERF_PHY_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_EXT_ADV_SET_RAND_ADDR_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_EXT_ADV_SET_PARAMS_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_EXT_ADV_DATA_SET_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_EXT_ADV_SCAN_RSP_DATA_SET_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance_num;
+    UINT8 instance[10];
 } tBTM_BLE_EXT_ADV_START_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_EXT_ADV_STOP_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_PERIOD_ADV_SET_PARAMS_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_PERIOD_ADV_DATA_SET_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_PERIOD_ADV_START_CMPL;
 
 typedef struct {
     UINT8 status;
+    UINT8 instance;
 } tBTM_BLE_PERIOD_ADV_STOP_CMPL;
 
 typedef struct {
@@ -1230,6 +1331,7 @@ typedef struct {
     UINT16 sync_handle;
     UINT8 tx_power;
     INT8 rssi;
+    UINT8 cte_type;
     tBTM_BLE_EXT_ADV_DATA_STATUS data_status;
     UINT8 data_length;
     UINT8 *data;
@@ -1295,39 +1397,409 @@ typedef struct {
 } tBTM_BLE_PERIOD_ADV_SYNC_TRANS_RECV;
 #endif //#if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+    UINT8 phy;
+    INT8 cur_tx_pwr_level;
+    INT8 max_tx_pwr_level;
+} __attribute__((packed)) tBTM_BLE_ENH_TRANS_PWR_LEVEL_CMPL;
+
+typedef struct {
+    UINT8 status;
+} __attribute__((packed)) tBTM_BLE_REMOTE_TRANS_PWR_LEVEL_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_SET_PATH_LOSS_RPTING_PARAMS;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_SET_PATH_LOSS_RPTING_ENABLE;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_SET_TRANS_POWER_RPTING_ENABLE;
+
+typedef struct {
+    UINT16 conn_handle;
+    UINT8 cur_path_loss;
+    UINT8 zone_entered;
+} __attribute__((packed)) tBTM_BLE_PATH_LOSS_THRESHOLD_EVT;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+    UINT8 reason;
+    UINT8 phy;
+    INT8 tx_power_level;
+    UINT8 tx_power_level_flag;
+    INT8 delta;
+} __attribute__((packed)) tBTM_BLE_TRANS_POWER_REPORT_EVT;
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+    UINT16 subrate_factor;
+    UINT16 peripheral_latency;
+    UINT16 continuation_number;
+    UINT16 supervision_timeout;
+} __attribute__((packed)) tBTM_BLE_SUBRATE_CHANGE_EVT;
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
+#if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+typedef struct {
+    UINT8 status;
+    UINT8 big_handle;
+    UINT32 big_sync_delay;
+    UINT32 transport_latency;
+    UINT8 phy;
+    UINT8 nse;
+    UINT8 bn;
+    UINT8 pto;
+    UINT8 irc;
+    UINT16 max_pdu;
+    UINT16 iso_interval;
+    UINT8 num_bis;
+    UINT16 bis_handle[BLE_ISO_BIS_MAX_COUNT];
+} tBTM_BLE_BIG_CREATE_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT8 big_handle;
+    UINT8 reason;
+} tBTM_BLE_BIG_TERMINATE_CMPL;
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+typedef struct {
+    UINT8 status;
+    UINT8 big_handle;
+    UINT32 transport_latency_big;
+    UINT8 nse;
+    UINT8 bn;
+    UINT8 pto;
+    UINT8 irc;
+    UINT16 max_pdu;
+    UINT16 iso_interval;
+    uint8_t num_bis;
+    uint16_t bis_handle[BLE_ISO_BIS_MAX_COUNT];
+} tBTM_BLE_BIG_SYNC_ESTAB_CMPL;
+
+typedef struct {
+    UINT8 big_handle;
+    UINT8 reason;
+} tBTM_BLE_BIG_SYNC_LOST_EVT;
+
+typedef struct {
+    UINT16 sync_handle;
+    UINT8 num_bis;
+    UINT8 nse;
+    UINT16 iso_interval;
+    UINT8 bn;
+    UINT8 pto;
+    UINT8 irc;
+    UINT16 max_pdu;
+    UINT32 sdu_interval;
+    UINT32 max_sdu;
+    UINT8 phy;
+    UINT8 framing;
+    UINT8 encryption;
+} tBTM_BLE_BIGINFO_ADV_REPORT_EVT;
+
+typedef struct {
+    UINT8 status;
+    UINT16 big_hdl;
+} tBTM_BLE_BIG_SYNC_TERMINATE_EVT;
+
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+    UINT32 cig_sync_delay;
+    UINT32 cis_sync_delay;
+    UINT32 trans_lat_c_to_p;
+    UINT32 trans_lat_p_to_c;
+    UINT8 phy_c_to_p;
+    UINT8 phy_p_to_c;
+    UINT8 nse;
+    UINT8 bn_c_to_p;
+    UINT8 bn_p_to_c;
+    UINT8 ft_c_to_p;
+    UINT8 ft_p_to_c;
+    UINT16 max_pdu_c_to_p;
+    UINT16 max_pdu_p_to_c;
+    UINT16 iso_interval;
+#if (BLE_FEAT_ISO_60_EN == TRUE)
+    UINT32 sub_interval;
+    UINT16 max_sdu_c_to_p;
+    UINT16 max_sdu_p_to_c;
+    UINT32 sdu_int_c_to_p;
+    UINT32 sdu_int_p_to_c;
+    UINT8 framing;
+#endif // #if (BLE_FEAT_ISO_60_EN == TRUE)
+} tBTM_BLE_CIS_ESTABLISHED_CMPL;
+
+typedef struct {
+    UINT16 cis_handle;
+    UINT8 reason;
+} tBTM_BLE_CIS_DISCON_CMPL;
+
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+typedef struct {
+    UINT8 status;
+    UINT16 cis_handle;
+} tBTM_BLE_ISO_REJECT_CIS_REQ_EVT;
+
+
+typedef struct {
+    UINT16 acl_handle;
+    UINT16 cis_handle;
+    UINT8 cig_id;
+    UINT8 cis_id;
+} tBTM_BLE_CIS_REQUEST_CMPL;
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+typedef enum {
+    BTM_BLE_ISO_DATA_PATH_UNKNOWN = 0,
+    BTM_BLE_ISO_DATA_PATH_SETUP   = 1,
+    BTM_BLE_ISO_DATA_PATH_REMOVE  = 2,
+    BTM_BLE_ISO_DATA_PATH_MAX,
+} tBTM_BLE_ISO_DATA_PATH_UPDATE_TYPE;
+
+typedef struct {
+    UINT8 status;
+    tBTM_BLE_ISO_DATA_PATH_UPDATE_TYPE op_type;
+    UINT16 conn_hdl;
+} tBTM_BLE_ISO_DATA_PATH_UPDATE_EVT;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_hdl;
+    UINT16 pkt_seq_num;
+    UINT32 tx_time_stamp;
+    UINT32 time_offset;
+} tBTM_BLE_ISO_READ_TX_SYNC_EVT;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_hdl;
+    UINT32 tx_unacked_pkts;
+    UINT32 tx_flushed_pkts;
+    UINT32 tx_last_subevt_pkts;
+    UINT32 retransmitted_pkts;
+    UINT32 crc_error_pkts;
+    UINT32 rx_unreceived_pkts;
+    UINT32 duplicate_pkts;
+} tBTM_BLE_ISO_READ_LINK_QUALITY_EVT;
+
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+typedef struct {
+    UINT8 status;
+    UINT8 cig_id;
+    UINT8 cis_count;
+    UINT16 conn_hdl[BLE_ISO_CIS_MAX_COUNT];
+} tBTM_BLE_ISO_SET_CIG_PARAMS_EVT;
+
+typedef struct {
+    UINT8 status;
+    UINT8 cig_id;
+} tBTM_BLE_ISO_REMOVE_CIG_EVT;
+
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+
+typedef union {
+    UINT8 status;
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+    tBTM_BLE_BIG_CREATE_CMPL           btm_big_cmpl;
+    tBTM_BLE_BIG_TERMINATE_CMPL        btm_big_term;
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+    tBTM_BLE_BIG_SYNC_ESTAB_CMPL       btm_big_sync_estab;
+    tBTM_BLE_BIG_SYNC_LOST_EVT         btm_big_sync_lost;
+    tBTM_BLE_BIGINFO_ADV_REPORT_EVT    btm_biginfo_report;
+    tBTM_BLE_BIG_SYNC_TERMINATE_EVT    btm_big_sync_ter;
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+    tBTM_BLE_ISO_DATA_PATH_UPDATE_EVT  btm_data_path_update;
+    tBTM_BLE_ISO_READ_TX_SYNC_EVT      btm_read_tx_sync;
+    tBTM_BLE_ISO_READ_LINK_QUALITY_EVT btm_read_link_quality;
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+    tBTM_BLE_ISO_SET_CIG_PARAMS_EVT    btm_set_cig_params;
+    tBTM_BLE_ISO_REMOVE_CIG_EVT        btm_remove_cig;
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+    tBTM_BLE_ISO_REJECT_CIS_REQ_EVT    btm_reject_cis_req;
+    tBTM_BLE_CIS_REQUEST_CMPL          btm_cis_request_evt;
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+    tBTM_BLE_CIS_ESTABLISHED_CMPL      btm_cis_established_evt;
+    tBTM_BLE_CIS_DISCON_CMPL           btm_cis_disconnectd_evt;
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+} tBTM_BLE_ISO_CB_PARAMS;
+
+typedef void (*tBTM_BLE_ISO_CBACK)(tBTM_BLE_ISO_EVENT event, tBTM_BLE_ISO_CB_PARAMS *params);
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_CTE_EN == TRUE)
+typedef struct {
+    UINT8 status;
+} __attribute__((packed)) tBTM_BLE_CTE_SET_TRANS_PARAMS_CMPL;
+
+typedef struct {
+    UINT8 status;
+} __attribute__((packed)) tBTM_BLE_CTE_SET_TRANS_EN_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT16 sync_handle;
+} __attribute__((packed)) tBTM_BLE_CTE_IQ_SAMP_EN_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_CTE_CONN_RECV_PARAMS_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_CTE_CONN_TRANS_PARAMS_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_CTE_CONN_REQ_ENABLE_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_CTE_CONN_RSP_ENABLE_CMPL;
+
+typedef struct {
+    UINT8 status;
+    UINT8 supported_switching_sampling_rates;
+    UINT8 num_ant;
+    UINT8 max_switching_pattern_len;
+    UINT8 max_cte_len;
+} __attribute__((packed)) tBTM_BLE_CTE_READ_ANT_INFOR_CMPL;
+
+typedef struct {
+    UINT16 sync_handle;
+    UINT8 channel_idx;
+    INT16 rssi;
+    UINT8 rssi_ant_id;
+    UINT8 cte_type;
+    UINT8 slot_dur;
+    UINT8 pkt_status;
+    UINT16 periodic_evt_counter;
+    UINT8 sample_count;
+    UINT8 i_sample[0x52];
+    UINT8 q_sample[0x52];
+} __attribute__((packed)) tBTM_BLE_CTE_CONNLESS_IQ_REPORT_EVT;
+
+typedef struct {
+    UINT16 conn_handle;
+    UINT8 rx_phy;
+    UINT8 data_channel_idx;
+    INT16 rssi;
+    UINT8 rssi_ant_id;
+    UINT8 cte_type;
+    UINT8 slot_dur;
+    UINT8 pkt_status;
+    UINT16 conn_evt_counter;
+    UINT8 sample_count;
+    UINT8 i_sample[0x52];
+    UINT8 q_sample[0x52];
+} __attribute__((packed)) tBTM_BLE_CTE_CONN_IQ_REPORT_EVT;
+
+typedef struct {
+    UINT8  status;
+    UINT16 conn_handle;
+} __attribute__((packed)) tBTM_BLE_CTE_REQ_FAILED_EVT;
+
+typedef union {
+    UINT8 status;
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+    tBTM_BLE_CTE_SET_TRANS_PARAMS_CMPL   cte_trans_params_cmpl;
+    tBTM_BLE_CTE_SET_TRANS_EN_CMPL       cte_trans_en_cmpl;
+    tBTM_BLE_CTE_IQ_SAMP_EN_CMPL         cte_iq_samp_en_cmpl;
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+    tBTM_BLE_CTE_CONN_RECV_PARAMS_CMPL   cte_recv_params_cmpl;
+    tBTM_BLE_CTE_CONN_TRANS_PARAMS_CMPL  cte_conn_trans_params_cmpl;
+    tBTM_BLE_CTE_CONN_REQ_ENABLE_CMPL    cte_conn_req_en_cmpl;
+    tBTM_BLE_CTE_CONN_RSP_ENABLE_CMPL    cte_conn_rsp_en_cmpl;
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+    tBTM_BLE_CTE_READ_ANT_INFOR_CMPL     cte_read_ant_infor_cmpl;
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+    tBTM_BLE_CTE_CONNLESS_IQ_REPORT_EVT  cte_connless_iq_rpt;
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+    tBTM_BLE_CTE_CONN_IQ_REPORT_EVT      cte_conn_iq_rpt;
+    tBTM_BLE_CTE_REQ_FAILED_EVT          cte_req_failed;
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+} tBTM_BLE_CTE_CB_PARAMS;
+
+typedef void (*tBTM_BLE_CTE_CBACK)(tBTM_BLE_CTE_EVENT event, tBTM_BLE_CTE_CB_PARAMS *params);
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
 typedef union {
     UINT8 status;
     tBTM_BLE_READ_PHY_CMPL read_phy;
     tBTM_BLE_SET_PREF_DEF_PHY_CMPL set_perf_def_phy;
     tBTM_BLE_SET_PERF_PHY_CMPL set_perf_phy;
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
     tBTM_BLE_EXT_ADV_SET_RAND_ADDR_CMPL set_ext_rand_addr;
     tBTM_BLE_EXT_ADV_SET_PARAMS_CMPL set_params;
     tBTM_BLE_EXT_ADV_DATA_SET_CMPL adv_data_set;
     tBTM_BLE_EXT_ADV_SCAN_RSP_DATA_SET_CMPL scan_rsp_data_set;
     tBTM_BLE_EXT_ADV_START_CMPL adv_start;
     tBTM_BLE_EXT_ADV_STOP_CMPL adv_stop;
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
+#if (BLE_50_PERIODIC_ADV_EN == TRUE)
     tBTM_BLE_PERIOD_ADV_SET_PARAMS_CMPL per_adv_set_params;
     tBTM_BLE_PERIOD_ADV_DATA_SET_CMPL per_adv_data_set;
     tBTM_BLE_PERIOD_ADV_START_CMPL per_adv_start;
     tBTM_BLE_PERIOD_ADV_STOP_CMPL per_adv_stop;
+#endif // #if (BLE_50_PERIODIC_ADV_EN == TRUE)
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
     tBTM_BLE_PERIOD_ADV_SYNC_CREATE_CMPL per_adv_sync_create;
     tBTM_BLE_PERIOD_ADV_SYNC_CANCEL_CMPL per_adv_sync_cancel;
     tBTM_BLE_PERIOD_ADV_SYNC_TEMINAT_CMPL per_adv_sync_term;
     tBTM_BLE_PERIOD_ADV_ADD_DEV_CMPL per_adv_add_dev;
     tBTM_BLE_PERIOD_ADV_REMOVE_DEV_CMPL per_adv_remove_dev;
     tBTM_BLE_PEROID_ADV_CLEAR_DEV_CMPL per_adv_clear_dev;
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
     tBTM_BLE_SET_EXT_SCAN_PARAMS_CMPL ext_scan;
     tBTM_BLE_EXT_SCAN_START_CMPL scan_start;
     tBTM_BLE_EXT_SCAN_STOP_CMPL scan_stop;
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
     tBTM_BLE_PREF_EXT_CONN_SET_PARAMS_CMPL ext_conn_set_params;
     tBTM_BLE_PHY_UPDATE_CMPL phy_update;
+#if (BLE_50_EXTEND_SCAN_EN == TRUE)
     tBTM_BLE_EXT_ADV_REPORT ext_adv_report;
+#endif // #if (BLE_50_EXTEND_SCAN_EN == TRUE)
+#if (BLE_50_EXTEND_ADV_EN == TRUE)
     tBTM_BLE_ADV_TERMINAT adv_term;
     tBTM_BLE_SCAN_REQ_RECEIVED scan_req;
+#endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
     tBTM_BLE_CHANNEL_SEL_ALG channel_sel;
+#if (BLE_50_EXTEND_SYNC_EN == TRUE)
     tBTM_PERIOD_ADV_REPORT period_adv_report;
     tBTM_BLE_PERIOD_ADV_SYNC_LOST sync_lost;
     tBTM_BLE_PERIOD_ADV_SYNC_ESTAB sync_estab;
+#endif // #if (BLE_50_EXTEND_SYNC_EN == TRUE)
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
     tBTM_BLE_PERIOD_ADV_RECV_ENABLE_CMPL per_adv_recv_enable;
     tBTM_BLE_PERIOD_ADV_SYNC_TRANS_CMPL per_adv_sync_trans;
@@ -1335,6 +1807,18 @@ typedef union {
     tBTM_BLE_SET_PERIOD_ADV_SYNC_TRANS_PARAMS_CMPL set_past_params;
     tBTM_BLE_PERIOD_ADV_SYNC_TRANS_RECV past_recv;
 #endif //#if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+    tBTM_BLE_ENH_TRANS_PWR_LEVEL_CMPL enh_trans_pwr_level_cmpl;
+    tBTM_BLE_REMOTE_TRANS_PWR_LEVEL_CMPL remote_pwr_level_cmpl;
+    tBTM_BLE_SET_PATH_LOSS_RPTING_PARAMS path_loss_rpting_params;
+    tBTM_BLE_SET_PATH_LOSS_RPTING_ENABLE path_loss_rpting_enable;
+    tBTM_BLE_SET_TRANS_POWER_RPTING_ENABLE trans_pwr_rpting_enable;
+    tBTM_BLE_PATH_LOSS_THRESHOLD_EVT      path_loss_thres_evt;
+    tBTM_BLE_TRANS_POWER_REPORT_EVT       trans_pwr_report_evt;
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+    tBTM_BLE_SUBRATE_CHANGE_EVT          subrate_change_evt;
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
 } tBTM_BLE_5_GAP_CB_PARAMS;
 
 typedef struct {
@@ -1370,6 +1854,7 @@ extern "C" {
 *******************************************************************************/
 void BTM_BleRegiseterConnParamCallback(tBTM_UPDATE_CONN_PARAM_CBACK *update_conn_param_cb);
 void BTM_BleRegiseterPktLengthChangeCallback(tBTM_SET_PKT_DATA_LENGTH_CBACK *ptk_len_chane_cb);
+void BTM_BleRegisterVendorHciEventCallback(tBTM_BLE_VENDOR_HCI_EVT_CBACK *vendor_hci_evt_cb);
 
 /*******************************************************************************
 **
@@ -1413,23 +1898,6 @@ BOOLEAN BTM_SecAddBleKey (BD_ADDR bd_addr, tBTM_LE_KEY_VALUE *p_le_key,
 
 /*******************************************************************************
 **
-** Function         BTM_BleSetAdvParams
-**
-** Description      This function is called to set advertising parameters.
-**
-** Parameters:       None.
-**
-** Returns          void
-**
-*******************************************************************************/
-//extern
-tBTM_STATUS BTM_BleSetAdvParams(UINT16 adv_int_min, UINT16 adv_int_max,
-                                tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP chnl_map);
-
-
-
-/*******************************************************************************
-**
 ** Function         BTM_BleSetAdvParamsAll
 **
 ** Description      This function is called to set all of the advertising parameters.
@@ -1474,20 +1942,6 @@ tBTM_STATUS BTM_BleWriteAdvData(tBTM_BLE_AD_MASK  data_mask,
 
 /*******************************************************************************
 **
-** Function         BTM_BleWriteLongAdvData
-**
-** Description      This function is called to write long advertising data.
-**
-** Parameters:      adv_data: long advertising data
-**                  adv_data_len: the length of long advertising data
-**
-** Returns          void
-**
-*******************************************************************************/
-tBTM_STATUS BTM_BleWriteLongAdvData(uint8_t *adv_data, uint8_t adv_data_len);
-
-/*******************************************************************************
-**
 ** Function         BTM_BleWriteAdvDataRaw
 **
 ** Description      This function is called to write raw advertising data.
@@ -1539,6 +1993,7 @@ void BTM_BleReadAdvParams (UINT16 *adv_int_min, UINT16 *adv_int_max,
 //extern
 void BTM_BleObtainVendorCapabilities(tBTM_BLE_VSC_CB *p_cmn_vsc_cb);
 
+#if (BLE_HOST_BLE_SCAN_PARAM_UNUSED == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleSetScanParams
@@ -1559,7 +2014,7 @@ void BTM_BleSetScanParams(tGATT_IF client_if, UINT32 scan_interval,
                           UINT32 scan_window, tBLE_SCAN_MODE scan_type,
                           tBLE_SCAN_PARAM_SETUP_CBACK scan_setup_status_cback);
 
-
+#endif // #if (BLE_HOST_BLE_SCAN_PARAM_UNUSED == TRUE)
 
 /*******************************************************************************
 **
@@ -1658,6 +2113,7 @@ tBTM_STATUS BTM_BleEnableBatchScan(tBTM_BLE_BATCH_SCAN_MODE scan_mode,
 //extern
 tBTM_STATUS BTM_BleDisableBatchScan(tBTM_BLE_REF_VALUE ref_value);
 
+#if (BLE_HOST_READ_SCAN_REPORTS_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleReadScanReports
@@ -1673,7 +2129,9 @@ tBTM_STATUS BTM_BleDisableBatchScan(tBTM_BLE_REF_VALUE ref_value);
 //extern
 tBTM_STATUS BTM_BleReadScanReports(tBLE_SCAN_MODE scan_mode,
                                    tBTM_BLE_REF_VALUE ref_value);
+#endif // #if (BLE_HOST_READ_SCAN_REPORTS_EN == TRUE)
 
+#if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_BleTrackAdvertiser
@@ -1689,6 +2147,7 @@ tBTM_STATUS BTM_BleReadScanReports(tBLE_SCAN_MODE scan_mode,
 //extern
 tBTM_STATUS BTM_BleTrackAdvertiser(tBTM_BLE_TRACK_ADV_CBACK *p_track_cback,
                                    tBTM_BLE_REF_VALUE ref_value);
+#endif // #if (BLE_HOST_TRACK_ADVERTISER_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -2100,7 +2559,7 @@ void BTM_BleReadControllerFeatures(tBTM_BLE_CTRL_FEATURES_CBACK  *p_vsc_cback);
 **
 *******************************************************************************/
 //extern
-UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length);
+UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT16 adv_data_len, UINT8 type, UINT8 *p_length);
 
 /*******************************************************************************
 **
@@ -2259,6 +2718,7 @@ BOOLEAN BTM_BleLocalPrivacyEnabled(void);
 //extern
 void BTM_BleEnableMixedPrivacyMode(BOOLEAN mixed_on);
 
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 /*******************************************************************************
 **
 ** Function          BTM_BleMaxMultiAdvInstanceCount
@@ -2270,6 +2730,7 @@ void BTM_BleEnableMixedPrivacyMode(BOOLEAN mixed_on);
 *******************************************************************************/
 //extern
 UINT8  BTM_BleMaxMultiAdvInstanceCount(void);
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 
 /*******************************************************************************
 **
@@ -2450,6 +2911,7 @@ BOOLEAN BTM_BleSecurityProcedureIsRunning (BD_ADDR bd_addr);
 //extern
 UINT8 BTM_BleGetSupportedKeySize (BD_ADDR bd_addr);
 
+#if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
 /*******************************************************************************/
 /*                          Multi ADV API                                      */
 /*******************************************************************************
@@ -2522,6 +2984,8 @@ tBTM_STATUS BTM_BleCfgAdvInstData (UINT8 inst_id, BOOLEAN is_scan_rsp,
 //extern
 tBTM_STATUS BTM_BleDisableAdvInstance (UINT8 inst_id);
 
+#endif // #if (BLE_HOST_BLE_MULTI_ADV_EN == TRUE)
+
 /*******************************************************************************
 **
 ** Function         BTM_BleAdvFilterParamSetup
@@ -2712,6 +3176,33 @@ BOOLEAN BTM_BleSetPrivacyMode(UINT8 addr_type,
                               UINT8 privacy_mode,
                               tBTM_SET_PRIVACY_MODE_CMPL_CBACK *p_callback);
 
+/*******************************************************************************
+**
+** Function         BTM_BleSetCsaSupport
+**
+** Description      This function is called to set the ChSel field of Advertising or Initiating PDUs
+**
+** Parameters       csa_select - Select LE Channel Selection Algorithm.
+**                  p_callback - Callback function to be called when the operation is completed.
+**
+** Returns          TRUE if the operation was successful, otherwise FALSE.
+**
+*******************************************************************************/
+BOOLEAN BTM_BleSetCsaSupport (UINT8 csa_select, tBTM_SET_CSA_SUPPORT_CMPL_CBACK *p_callback);
+
+/*******************************************************************************
+**
+** Function         BTM_BleSetVendorEventMask
+**
+** Description      This function is called to set the vendor HCI event mask
+**
+** Parameters       evt_mask - vendor HCI event mask.
+**                  p_callback - Callback function to be called when the operation is completed.
+**
+** Returns          TRUE if the operation was successful, otherwise FALSE.
+**
+*******************************************************************************/
+BOOLEAN BTM_BleSetVendorEventMask(UINT32 evt_mask, tBTM_SET_VENDOR_EVT_MASK_CBACK *p_callback);
 /*
 #ifdef __cplusplus
 }
@@ -2762,12 +3253,13 @@ tBTM_STATUS BTM_BleSetExtendedScanParams(tBTM_BLE_EXT_SCAN_PARAMS *params);
 tBTM_STATUS BTM_BleExtendedScan(BOOLEAN enable, UINT16 duration, UINT16 period);
 
 void BTM_BleSetPreferExtenedConnParams(BD_ADDR bd_addr, tBTM_EXT_CONN_PARAMS *params);
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
+#if (BLE_50_DTM_TEST_EN == TRUE)
 void BTM_BleEnhancedReceiverTest(UINT8 rx_freq, UINT8 phy, UINT8 modulation_index, tBTM_CMPL_CB *p_cmd_cmpl_cback);
 
 void BTM_BleEnhancedTransmitterTest(UINT8 tx_freq, UINT8 test_data_len, UINT8 packet_payload, UINT8 phy, tBTM_CMPL_CB *p_cmd_cmpl_cback);
-
-#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#endif // #if (BLE_50_DTM_TEST_EN == TRUE)
 
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 void BTM_BlePeriodicAdvRecvEnable(UINT16 sync_handle, UINT8 enable);
@@ -2779,4 +3271,93 @@ void BTM_BlePeriodicAdvSetInfoTrans(BD_ADDR bd_addr, UINT16 service_data, UINT8
 void BTM_BleSetPeriodicAdvSyncTransParams(BD_ADDR bd_addr, UINT8 mode, UINT16 skip, UINT16 sync_timeout, UINT8 cte_type);
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+#if (BLE_FEAT_ISO_EN == TRUE)
+void BTM_BleIsoRegisterCallback(tBTM_BLE_ISO_CBACK cb);
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+tBTM_STATUS BTM_BleBigCreate(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                            uint32_t sdu_interval, uint16_t max_sdu, uint16_t max_transport_latency,
+                            uint8_t rtn, uint8_t phy, uint8_t packing, uint8_t framing,
+                            uint8_t encryption, uint8_t *broadcast_code);
+
+tBTM_STATUS BTM_BleBigCreateTest(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                        uint32_t sdu_interval, uint16_t iso_interval, uint8_t nse,
+                        uint16_t max_sdu, uint16_t max_pdu, uint8_t phy,
+                        uint8_t packing, uint8_t framing, uint8_t bn, uint8_t irc,
+                        uint8_t pto, uint8_t encryption, uint8_t *broadcast_code);
+
+tBTM_STATUS BTM_BleBigTerminate(UINT8 big_handle, UINT8 reason);
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+tBTM_STATUS BTM_BleBigSyncCreate(uint8_t big_handle, uint16_t sync_handle,
+                                uint8_t encryption, uint8_t *bc_code,
+                                uint8_t mse, uint16_t big_sync_timeout,
+                                uint8_t num_bis, uint8_t *bis);
+
+tBTM_STATUS BTM_BleBigSyncTerminate(uint8_t big_handle);
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+tBTM_STATUS BTM_BleIsoSetDataPath(uint16_t conn_handle, uint8_t data_path_dir, uint8_t data_path_id, uint8_t coding_fmt,
+                                    uint16_t company_id, uint16_t vs_codec_id, uint32_t controller_delay, uint8_t codec_len,
+                                    uint8_t *codec_cfg);
+tBTM_STATUS BTM_BleIsoRemoveDataPath(uint16_t conn_handle, uint8_t data_path_dir);
+
+tBTM_STATUS BTM_BleIsoReadTxSync(uint16_t iso_hdl);
+tBTM_STATUS BTM_BleIsoReadLinkQuality(uint16_t iso_hdl);
+
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+tBTM_STATUS BTM_BleSetCigParams(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t worse_case_SCA, uint8_t packing,
+                                uint8_t framing, uint16_t mtl_c_to_p, uint16_t mtl_p_to_c, uint8_t cis_cnt, uint8_t *cis_params);
+tBTM_STATUS BTM_BleSetCigParamsTest(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t ft_c_to_p, uint8_t ft_p_to_c, uint16_t iso_interval,
+                                uint8_t worse_case_SCA, uint8_t packing, uint8_t framing, uint8_t cis_cnt, uint8_t *cis_params);
+tBTM_STATUS BTM_BleCreateCis(uint8_t cis_count, uint8_t *cis_hdls);
+tBTM_STATUS BTM_BleRemoveCig(uint8_t cig_id);
+#endif // #if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+tBTM_STATUS BTM_BleAcceptCisReq(uint16_t cis_handle);
+tBTM_STATUS BTM_BleRejectCisReq(uint16_t cis_handle, uint8_t reason);
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+#if (BLE_FEAT_ISO_CIG_EN == TRUE)
+tBTM_STATUS BTM_BleDisconCis(uint16_t cis_handle, uint8_t reason);
+#endif // #if (BLE_FEAT_ISO_CIG_EN == TRUE)
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+#if (BLE_FEAT_CTE_EN == TRUE)
+void BTM_BleCteRegisterCallback(tBTM_BLE_CTE_CBACK cb);
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+tBTM_STATUS BTM_BleSetCteTransParams(uint8_t adv_handle, uint8_t cte_len, uint8_t cte_type, uint8_t cte_count, uint8_t switching_pattern_len, uint8_t *antenna_ids);
+tBTM_STATUS BTM_BleCteSetConnectionlessTransEnable(uint8_t adv_handle, uint8_t cte_en);
+tBTM_STATUS BTM_BleCteSetConnectionlessIqSamplingEnable(uint16_t sync_handle, uint8_t sampling_en, uint8_t slot_dur,
+                                                    uint8_t max_sampled_ctes, uint8_t switching_pattern_len, uint8_t *ant_ids);
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+tBTM_STATUS BTM_BleCteSetConnectionReceiveParams(uint16_t conn_handle, uint8_t sampling_en, uint8_t slot_dur,
+                                            uint8_t switching_pattern_len, uint8_t *ant_ids);
+tBTM_STATUS BTM_BleCteSetConnectionTransParams(uint16_t conn_handle, uint8_t cte_types, uint8_t switching_pattern_len, uint8_t *ant_ids);
+tBTM_STATUS BTM_BleCteSetConnectionRequestEnable(uint16_t conn_handle, uint8_t enable, uint16_t cte_req_int,
+                                            uint8_t req_cte_len, uint8_t req_cte_type);
+tBTM_STATUS BTM_BleCteSetConnectionRspEnable(uint16_t conn_handle, uint8_t enable);
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+
+tBTM_STATUS BTM_BleCteReadAntInfor(void);
+
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+void BTM_BleEnhReadTransPowerLevel(uint16_t conn_handle, uint8_t phy);
+void BTM_BleReadRemoteTransPwrLevel(uint16_t conn_handle, uint8_t phy);
+void BTM_BleSetPathLossRptParams(uint16_t conn_handle, uint8_t high_threshold, uint8_t high_hysteresis,
+                                        uint8_t low_threshold, uint8_t low_hysteresis, uint16_t min_time_spent);
+void BTM_BleSetPathLossRptEnable(uint16_t conn_handle, uint8_t enable);
+void BTM_BleSetTransPwrRptEnable(uint16_t conn_handle, uint8_t local_enable, uint8_t remote_enable);
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+void BTM_BleSetDefaultSubrate(UINT16 subrate_min, UINT16 subrate_max, UINT16 max_latency,
+                                UINT16 continuation_number, UINT16 supervision_timeout);
+
+void BTM_BleSubrateRequest(UINT16 conn_handle, UINT16 subrate_min, UINT16 subrate_max,
+                            UINT16 max_latency, UINT16 continuation_number, UINT16 supervision_timeout);
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+tBTM_STATUS BTM_BleSetHostFeature(uint16_t bit_num, uint8_t bit_val);
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #endif
diff --git a/lib/bt/host/bluedroid/stack/include/stack/dyn_mem.h b/lib/bt/host/bluedroid/stack/include/stack/dyn_mem.h
index fa1ed498..7c208d8c 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/dyn_mem.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/dyn_mem.h
@@ -45,6 +45,8 @@
 #define HCRP_DYNAMIC_MEMORY        TRUE
 #define HFP_DYNAMIC_MEMORY         TRUE
 #define HID_DYNAMIC_MEMORY         TRUE
+#define OBEX_DYNAMIC_MEMORY        TRUE
+#define GOEP_DYNAMIC_MEMORY        TRUE
 #define HSP2_DYNAMIC_MEMORY        TRUE
 #define ICP_DYNAMIC_MEMORY         TRUE
 #define OPP_DYNAMIC_MEMORY         TRUE
@@ -53,6 +55,8 @@
 #define SLIP_DYNAMIC_MEMORY        TRUE
 #define LLCP_DYNAMIC_MEMORY        TRUE
 #define BTC_SBC_DEC_DYNAMIC_MEMORY TRUE
+#define BTC_GAP_BT_DYNAMIC_MEMORY  TRUE
+#define L2CAP_DYNAMIC_MEMORY       TRUE
 
 #else  /* #if UC_BT_BLE_DYNAMIC_ENV_MEMORY */
 #define BTU_DYNAMIC_MEMORY         FALSE
@@ -79,6 +83,8 @@
 #define HCRP_DYNAMIC_MEMORY        FALSE
 #define HFP_DYNAMIC_MEMORY         FALSE
 #define HID_DYNAMIC_MEMORY         FALSE
+#define OBEX_DYNAMIC_MEMORY        FALSE
+#define GOEP_DYNAMIC_MEMORY        FALSE
 #define HSP2_DYNAMIC_MEMORY        FALSE
 #define ICP_DYNAMIC_MEMORY         FALSE
 #define OPP_DYNAMIC_MEMORY         FALSE
@@ -87,6 +93,8 @@
 #define SLIP_DYNAMIC_MEMORY        FALSE
 #define LLCP_DYNAMIC_MEMORY        FALSE
 #define BTC_SBC_DEC_DYNAMIC_MEMORY FALSE
+#define BTC_GAP_BT_DYNAMIC_MEMORY  FALSE
+#define L2CAP_DYNAMIC_MEMORY       FALSE
 
 #endif /* #if UC_BT_BLE_DYNAMIC_ENV_MEMORY */
 
@@ -191,6 +199,14 @@
 #define HID_DYNAMIC_MEMORY  FALSE
 #endif
 
+#ifndef OBEX_DYNAMIC_MEMORY
+#define OBEX_DYNAMIC_MEMORY FALSE
+#endif
+
+#ifndef GOEP_DYNAMIC_MEMORY
+#define GOEP_DYNAMIC_MEMORY FALSE
+#endif
+
 #ifndef HSP2_DYNAMIC_MEMORY
 #define HSP2_DYNAMIC_MEMORY FALSE
 #endif
diff --git a/lib/bt/host/bluedroid/stack/include/stack/gatt_api.h b/lib/bt/host/bluedroid/stack/include/stack/gatt_api.h
index fed2ea9a..6c63db62 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/gatt_api.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/gatt_api.h
@@ -139,7 +139,7 @@ typedef UINT16 tGATT_DISCONN_REASON;
 /* max length of an attribute value
 */
 #ifndef GATT_MAX_ATTR_LEN
-#define GATT_MAX_ATTR_LEN                   512
+#define GATT_MAX_ATTR_LEN                   GATT_MAX_MTU_SIZE
 #endif
 
 /* default GATT MTU size over LE link
diff --git a/lib/bt/host/bluedroid/stack/include/stack/goep_common.h b/lib/bt/host/bluedroid/stack/include/stack/goep_common.h
new file mode 100644
index 00000000..74cb3ca8
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/include/stack/goep_common.h
@@ -0,0 +1,19 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "common/bt_target.h"
+
+/* GOEP Client or Server(not supported yet) API return code */
+#define GOEP_SUCCESS                0x00        /* Operation successful */
+#define GOEP_FAILURE                0x01        /* Operation failed */
+#define GOEP_NO_RESOURCES           0x02        /* Not enough resources */
+#define GOEP_BAD_HANDLE             0x04        /* Bad handle */
+#define GOEP_INVALID_PARAM          0x08        /* Invalid parameter */
+#define GOEP_INVALID_STATE          0x10        /* Operation not allow in current state */
+#define GOEP_CONGEST                0x20        /* Congest */
+#define GOEP_TL_ERROR               0x40        /* Lower transport layer error */
diff --git a/lib/bt/host/bluedroid/stack/include/stack/goepc_api.h b/lib/bt/host/bluedroid/stack/include/stack/goepc_api.h
new file mode 100644
index 00000000..f2b93f86
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/include/stack/goepc_api.h
@@ -0,0 +1,82 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "common/bt_target.h"
+
+#include "stack/goep_common.h"
+#include "stack/obex_api.h"
+
+#if (GOEPC_INCLUDED == TRUE)
+
+enum {
+    GOEPC_OPENED_EVT,               /* connection open */
+    GOEPC_CLOSED_EVT,               /* disconnect unexpected */
+    GOEPC_MTU_CHANGED_EVT,          /* lower layer MTU change */
+    GOEPC_CONGEST_EVT,              /* lower layer connection congest */
+    GOEPC_UNCONGEST_EVT,            /* lower layer connection uncongest */
+    GOEPC_RESPONSE_EVT              /* response from server */
+};
+
+typedef struct {
+    UINT16      peer_mtu;           /* peer mtu of lower level connection */
+    UINT16      our_mtu;            /* our mtu of lower level connection */
+} tGOEPC_MSG_OPENED;
+
+typedef struct {
+    UINT8   reason;                 /* connection close reason */
+} tGOEPC_MSG_CLOSED;
+
+typedef struct {
+    UINT16  peer_mtu;               /* peer mtu of lower level connection */
+    UINT16  our_mtu;                /* our mtu of lower level connection */
+} tGOEPC_MSG_MTU_CHANGED;
+
+typedef struct {
+    UINT8   opcode;                 /* which opcode that this packet response to */
+    BOOLEAN final;                  /* whether this is a final packet */
+    BOOLEAN srm_en;                 /* whether srm is enable */
+    BOOLEAN srm_wait;               /* whether srm wait is set, set by peer or by us */
+    BT_HDR  *pkt;                   /* pointer to response packet */
+} tGOEPC_MSG_RESPONSE;
+
+typedef union {
+    tGOEPC_MSG_OPENED       opened;
+    tGOEPC_MSG_CLOSED       closed;
+    tGOEPC_MSG_MTU_CHANGED  mtu_changed;
+    tGOEPC_MSG_RESPONSE     response;
+} tGOEPC_MSG;
+
+typedef void (tGOEPC_EVT_CBACK)(UINT16 handle, UINT8 event, tGOEPC_MSG *msg);
+
+/*******************************************************************************
+*       The following APIs are called by bluetooth stack automatically
+*******************************************************************************/
+
+extern UINT16 GOEPC_Init(void);
+
+extern void GOEPC_Deinit(void);
+
+/*******************************************************************************
+*               The following APIs must be executed in btu task
+*******************************************************************************/
+
+extern UINT16 GOEPC_Open(tOBEX_SVR_INFO *p_svr, tGOEPC_EVT_CBACK callback, UINT16 *out_handle);
+
+extern UINT16 GOEPC_Close(UINT16 handle);
+
+extern UINT16 GOEPC_SendRequest(UINT16 handle);
+
+extern UINT16 GOEPC_PrepareRequest(UINT16 handle, tOBEX_PARSE_INFO *info, UINT16 buff_size);
+
+extern UINT16 GOEPC_DropRequest(UINT16 handle);
+
+extern UINT16 GOEPC_RequestSetSRM(UINT16 handle, BOOLEAN srm_en, BOOLEAN srm_wait);
+
+extern UINT16 GOEPC_RequestAddHeader(UINT16 handle, UINT8 header_id, const UINT8 *data, UINT16 data_len);
+
+#endif /* #if (GOEPC_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/include/stack/hcidefs.h b/lib/bt/host/bluedroid/stack/include/stack/hcidefs.h
index 21b14881..23f9b3e6 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/hcidefs.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/hcidefs.h
@@ -357,8 +357,12 @@
 #define HCI_BLE_READ_PHY                    (0x0030 | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_SET_DEFAULT_PHY             (0x0031 | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_SET_PHY                     (0x0032 | HCI_GRP_BLE_CMDS)
+#endif
+#if (BLE_50_DTM_TEST_EN == TRUE)
 #define HCI_BLE_ENH_RX_TEST                 (0x0033 | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_ENH_TX_TEST                 (0x0034 | HCI_GRP_BLE_CMDS)
+#endif // #if (BLE_50_DTM_TEST_EN == TRUE)
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
 #define HCI_BLE_SET_ADV_RAND_ADDR           (0x0035 | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_SET_EXT_ADV_PARAM           (0x0036 | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_SET_EXT_ADV_DATA            (0x0037 | HCI_GRP_BLE_CMDS)
@@ -386,6 +390,20 @@
 #define HCI_BLE_WR_RF_PATH_COMPENSATION     (0x004D | HCI_GRP_BLE_CMDS)
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #define HCI_BLE_SET_PRIVACY_MODE            (0x004E | HCI_GRP_BLE_CMDS)
+#if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#define HCI_BLE_SET_CONNLESS_CTE_TRANS_PARAMS    (0x0051 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_CONNLESS_CTE_TRANS_ENABLE    (0x0052 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_CONNLESS_IQ_SAMPLING_ENABLE  (0x0053 | HCI_GRP_BLE_CMDS)
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+#define HCI_BLE_SET_CONN_CTE_RECEIVE_PARAMS      (0x0054 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_CONN_CTE_TRANS_PARAMS        (0x0055 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_CONN_CTE_REQ_ENABLE          (0x0056 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_CONN_CTE_RSP_ENABLE          (0x0057 | HCI_GRP_BLE_CMDS)
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+#define HCI_BLE_READ_ANT_INFOR                   (0x0058 | HCI_GRP_BLE_CMDS)
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 #define HCI_BLE_SET_PERIOD_ADV_RECV_ENABLE  (0x0059 | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_PERIOD_ADV_SYNC_TRANS       (0x005A | HCI_GRP_BLE_CMDS)
@@ -393,6 +411,38 @@
 #define HCI_BLE_SET_PAST_PARAMS             (0x005C | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_SET_DEFAULT_PAST_PARAMS     (0x005D | HCI_GRP_BLE_CMDS)
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
+#define HCI_BLE_READ_BUFFER_SZIE_V2         (0x0060 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_READ_TX_SYNC            (0x0061 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_SET_CIG_PARAMS          (0x0062 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_SET_CIG_PARAMS_TEST     (0x0063 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_CREATE_CIS              (0x0064 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_REMOVE_CIG              (0x0065 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_ACCEPT_CIS_REQ          (0x0066 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_REJECT_CIS_REQ          (0x0067 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_CREATE_BIG                  (0x0068 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_CREATE_BIG_TEST             (0x0069 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_TERMINATE_BIG               (0x006A | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_BIG_CREATE_SYNC             (0x006B | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_BIG_TERMINATE_SYNC          (0x006C | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_SET_DATA_PATH           (0x006E | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_REMOVE_DATA_PATH        (0x006F | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_HOST_FEATURE        (0x0074 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_ISO_READ_ISO_LINK_QUALITY   (0x0075 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_HOST_FEATURE_V2     (0x0097 | HCI_GRP_BLE_CMDS)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#define HCI_BLE_ENH_READ_TRANS_POWER_LEVEL         (0x0076 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_READ_REMOTE_TRANS_POWER_LEVEL      (0x0077 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_PATH_LOSS_REPORTING_PARAMS     (0x0078 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_PATH_LOSS_REPORTING_ENABLE     (0x0079 | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SET_TRANS_POWER_REPORTING_ENABLE   (0x007A | HCI_GRP_BLE_CMDS)
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+#define HCI_BLE_SET_DEFAULT_SUBRATE                (0x007D | HCI_GRP_BLE_CMDS)
+#define HCI_BLE_SUBRATE_REQUEST                    (0x007E | HCI_GRP_BLE_CMDS)
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
 // Vendor OGF define
 #define HCI_VENDOR_OGF          0x3F
 
@@ -422,11 +472,20 @@
 #define HCI_SUBCODE_BLE_ADV_REPORT_FLOW_CONTROL    0x0A
 #define HCI_SUBCODE_BLE_RD_STATIC_ADDR             0x0B
 #define HCI_SUBCODE_BLE_CLEAR_ADV                  0x0C
+#define HCI_SUBCODE_BLE_SET_CSA_SUPPORT            0x12
+#define HCI_SUBCODE_BLE_SET_VENDOR_EVT_MASK        0x16
 #define HCI_SUBCODE_BLE_MAX                        0x7F
 
 //ESP BT subcode define
 #define HCI_SUBCODE_BT_INIT                     0x00
+#define HCI_SUBCODE_BT_WRITE_DM1_ENABLE         0x01
 #define HCI_SUBCODE_BT_SET_MIN_ENC_KEY_SIZE     0x02
+#define HCI_SUBCODE_BT_CLK_UPD                  0x03
+#define HCI_SUBCODE_BT_SET_AFH                  0x07
+#define HCI_SUBCODE_BT_SET_EVT_MASK             0x08
+#define HCI_SUBCODE_BT_SET_AFH_REPORTING_MODE   0x09
+#define HCI_SUBCODE_BT_MASK_RMT_AFH_CH_CLASS    0x0A
+#define HCI_SUBCODE_BT_WR_AUTO_RATE_INIT_ENABLE 0x0B
 #define HCI_SUBCODE_BT_MAX                      0x7F
 
 #define HCI_ESP_VENDOR_OPCODE_BUILD(ogf, group, subcode) ((ogf << 10) | (group <<7) | (subcode << 0))
@@ -460,16 +519,25 @@
 #define HCI_BLE_ENERGY_INFO_OCF           HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_ENERGY_INFO)
 /* Extended BLE Scan parameters OCF */
 #define HCI_BLE_EXTENDED_SCAN_PARAMS_OCF  HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_EXTENDED_SCAN_PARAMS)
-/* Long BLE Adv data OCF */
-#define HCI_VENDOR_BLE_LONG_ADV_DATA      HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_LONG_ADV)
 /* BLE update duplicate scan exceptional list */
 #define HCI_VENDOR_BLE_UPDATE_DUPLICATE_EXCEPTIONAL_LIST  HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_DUPLICATE_EXCEPTIONAL_LIST)
 #define HCI_VENDOR_BLE_SET_ADV_FLOW_CONTROL        HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_SET_ADV_FLOW_CONTROL)
 #define HCI_VENDOR_BLE_ADV_REPORT_FLOW_CONTROL     HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_ADV_REPORT_FLOW_CONTROL)
 /* BLE clear legacy advertising */
 #define HCI_VENDOR_BLE_CLEAR_ADV          HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_CLEAR_ADV)
+/* BLE set CSA support */
+#define HCI_VENDOR_BLE_SET_CSA_SUPPORT    HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_SET_CSA_SUPPORT)
+/* BLE set vendor event mask */
+#define HCI_VENDOR_BLE_SET_EVT_MASK       HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BLE, HCI_SUBCODE_BLE_SET_VENDOR_EVT_MASK)
 //ESP BT HCI CMD
-#define HCI_VENDOR_BT_SET_MIN_ENC_KEY_SIZE         HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_SET_MIN_ENC_KEY_SIZE)
+#define HCI_VENDOR_BT_WRITE_DM1_ENABLE              HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_WRITE_DM1_ENABLE)
+#define HCI_VENDOR_BT_SET_MIN_ENC_KEY_SIZE          HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_SET_MIN_ENC_KEY_SIZE)
+#define HCI_VENDOR_BT_CLK_UPD                       HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_CLK_UPD)
+#define HCI_VENDOR_BT_SET_AFH                       HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_SET_AFH)
+#define HCI_VENDOR_BT_SET_EVT_MASK                  HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_SET_EVT_MASK)
+#define HCI_VENDOR_BT_SET_AFH_REPORTING_MODE        HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_SET_AFH_REPORTING_MODE)
+#define HCI_VENDOR_BT_MASK_RMT_AFH_CH_CLASS         HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_MASK_RMT_AFH_CH_CLASS)
+#define HCI_VENDOR_BT_WR_AUTO_RATE_INIT_ENABLE      HCI_ESP_VENDOR_OPCODE_BUILD(HCI_VENDOR_OGF, HCI_ESP_GROUP_BT, HCI_SUBCODE_BT_WR_AUTO_RATE_INIT_ENABLE)
 
 /* subcode for multi adv feature */
 #define BTM_BLE_MULTI_ADV_SET_PARAM                     0x01
@@ -820,10 +888,48 @@
 #define HCI_BLE_PERIOD_ADV_SYNC_TRANS_RECV_EVT 0x18
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+#if (BLE_FEAT_CTE_EN == TRUE)
+#define HCI_BLE_CONNLESS_IQ_REPORT_EVT      0x15
+#define HCI_BLE_CONN_IQ_REPORT_EVT          0x16
+#define HCI_BLE_CTE_REQUEST_FAILED_EVT      0x17
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_ISO_EN == TRUE)
+#define HCI_BLE_CIS_ESTABLISHED_V1_EVT         0x19
+#define HCI_BLE_CIS_REQUEST_EVT                0x1A
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#define HCI_BLE_BIG_CREATE_COMPLETE_EVT        0x1B
+#define HCI_BLE_BIG_TERMINATE_COMPLETE_EVT     0x1C
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#define HCI_BLE_BIG_SYNC_ESTABLISHED_EVT       0x1D
+#define HCI_BLE_BIG_SYNC_LOST_EVT              0x1E
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#define HCI_BLE_BIGINFO_ADV_REPORT_EVT         0x22
+#define HCI_BLE_CIS_ESTABLISHED_V2_EVT         0x2A
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#define HCI_BLE_PATH_LOSS_THRESHOLD_EVT        0x20
+#define HCI_BLE_TRANS_POWER_REPORTING_EVT      0x21
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+#define HCI_BLE_SUBRATE_CHANGE_EVT             0x23
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
 /* Definitions for LE Channel Map */
 #define HCI_BLE_CHNL_MAP_SIZE               5
 
+#define HCI_VENDOR_SPECIFIC_EVT                                     0xFF  /* Vendor specific events */
+#define HCI_VENDOR_LEGACY_REM_AUTH_EVT_SUBCODE                      0x03
+#define HCI_VENDOR_AFH_CHG_EVT_SUBCODE                              0x05
+#define HCI_VENDOR_CH_CLASSIFICATION_EVT_SUBCODE                    0x06
+#define HCI_VENDOR_CH_CLASSIFICATION_REPORTING_MODE_EVT_SUBCODE     0x07
+
 #define HCI_VENDOR_SPECIFIC_EVT         0xFF  /* Vendor specific events */
+#define HCI_VSE_LE_SUBEVT_BASE          0xC0  /* BLE vendor event code base */
+#define HCI_VSE_LE_EVT_MAX              0xFF  /* BLE vendor event code max */
 #define HCI_NAP_TRACE_EVT               0xFF  /* was define 0xFE, 0xFD, change to 0xFF
                                                  because conflict w/ TCI_EVT and per
                                                  specification compliant */
@@ -1871,42 +1977,50 @@ typedef struct {
 #define HCI_PING_SUPPORTED(x) ((x)[HCI_EXT_FEATURE_PING_OFF] & HCI_EXT_FEATURE_PING_MASK)
 
 /*
-**   LE features encoding - page 0 (the only page for now)
+**   LE features encoding - page 0
 */
-/* LE Encryption */
+/* LE Encryption: bit 0 */
 #define HCI_LE_FEATURE_LE_ENCRYPTION_MASK       0x01
 #define HCI_LE_FEATURE_LE_ENCRYPTION_OFF        0
 #define HCI_LE_ENCRYPTION_SUPPORTED(x) ((x)[HCI_LE_FEATURE_LE_ENCRYPTION_OFF] & HCI_LE_FEATURE_LE_ENCRYPTION_MASK)
 
-/* Connection Parameters Request Procedure */
+/* Connection Parameters Request Procedure: bit 1 */
 #define HCI_LE_FEATURE_CONN_PARAM_REQ_MASK       0x02
 #define HCI_LE_FEATURE_CONN_PARAM_REQ_OFF        0
 #define HCI_LE_CONN_PARAM_REQ_SUPPORTED(x) ((x)[HCI_LE_FEATURE_CONN_PARAM_REQ_OFF] & HCI_LE_FEATURE_CONN_PARAM_REQ_MASK)
 
-/* Extended Reject Indication */
+/* Extended Reject Indication: bit 2 */
 #define HCI_LE_FEATURE_EXT_REJ_IND_MASK       0x04
 #define HCI_LE_FEATURE_EXT_REJ_IND_OFF        0
 #define HCI_LE_EXT_REJ_IND_SUPPORTED(x) ((x)[HCI_LE_FEATURE_EXT_REJ_IND_OFF] & HCI_LE_FEATURE_EXT_REJ_IND_MASK)
 
-/* Slave-initiated Features Exchange */
+/* Slave-initiated Features Exchange: bit 3 */
 #define HCI_LE_FEATURE_SLAVE_INIT_FEAT_EXC_MASK       0x08
 #define HCI_LE_FEATURE_SLAVE_INIT_FEAT_EXC_OFF        0
 #define HCI_LE_SLAVE_INIT_FEAT_EXC_SUPPORTED(x) ((x)[HCI_LE_FEATURE_SLAVE_INIT_FEAT_EXC_OFF] & HCI_LE_FEATURE_SLAVE_INIT_FEAT_EXC_MASK)
 
+/* LE Data Packet Length Extension: bit 5 */
+#define HCI_LE_FEATURE_DATA_LEN_EXT_MASK       0x20
+#define HCI_LE_FEATURE_DATA_LEN_EXT_OFF        0
+#define HCI_LE_DATA_LEN_EXT_SUPPORTED(x) ((x)[HCI_LE_FEATURE_DATA_LEN_EXT_OFF] & HCI_LE_FEATURE_DATA_LEN_EXT_MASK)
+
 /* Enhanced privacy Feature: bit 6 */
 #define HCI_LE_FEATURE_ENHANCED_PRIVACY_MASK       0x40
 #define HCI_LE_FEATURE_ENHANCED_PRIVACY_OFF        0
 #define HCI_LE_ENHANCED_PRIVACY_SUPPORTED(x) ((x)[HCI_LE_FEATURE_ENHANCED_PRIVACY_OFF] & HCI_LE_FEATURE_ENHANCED_PRIVACY_MASK)
 
-/* Extended scanner filter policy : 7 */
+/* Extended scanner filter policy: bit 7 */
 #define HCI_LE_FEATURE_EXT_SCAN_FILTER_POLICY_MASK       0x80
 #define HCI_LE_FEATURE_EXT_SCAN_FILTER_POLICY_OFF        0
 #define HCI_LE_EXT_SCAN_FILTER_POLICY_SUPPORTED(x) ((x)[HCI_LE_FEATURE_EXT_SCAN_FILTER_POLICY_OFF] & HCI_LE_FEATURE_EXT_SCAN_FILTER_POLICY_MASK)
 
-/* Slave-initiated Features Exchange */
-#define HCI_LE_FEATURE_DATA_LEN_EXT_MASK       0x20
-#define HCI_LE_FEATURE_DATA_LEN_EXT_OFF        0
-#define HCI_LE_DATA_LEN_EXT_SUPPORTED(x) ((x)[HCI_LE_FEATURE_DATA_LEN_EXT_OFF] & HCI_LE_FEATURE_DATA_LEN_EXT_MASK)
+/*
+**   LE features encoding - page 1
+*/
+/* LE Extended Advertising: bit 12 */
+#define HCI_LE_FEATURE_EXT_ADV_MASK       0x10
+#define HCI_LE_FEATURE_EXT_ADV_OFF        1
+#define HCI_LE_EXT_ADV_SUPPORTED(x) ((x)[HCI_LE_FEATURE_EXT_ADV_OFF] & HCI_LE_FEATURE_EXT_ADV_MASK)
 
 /*
 **   Local Supported Commands encoding
diff --git a/lib/bt/host/bluedroid/stack/include/stack/hcimsgs.h b/lib/bt/host/bluedroid/stack/include/stack/hcimsgs.h
index 951e5b70..4ee07b4d 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/hcimsgs.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/hcimsgs.h
@@ -759,12 +759,18 @@ void btsnd_hcic_vendor_spec_cmd (BT_HDR *buffer, UINT16 opcode,
 #define HCIC_PARAM_SIZE_BLE_UPDATE_ADV_FLOW_CONTROL     2
 #define HCIC_PARAM_SIZE_BLE_CLEAR_ADV                   0
 #define HCIC_PARAM_SIZE_SET_PRIVACY_MODE                8
+#define HCIC_PARAM_SIZE_BLE_SET_CSA_SUPPORT             1
+#define HCIC_PARAM_SIZE_BLE_SET_VENDOR_EVT_MASK         4
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #define HCIC_PARAM_SIZE_BLE_READ_PHY                   2
 #define HCIC_PARAM_SIZE_BLE_SET_DEF_PHY                3
 #define HCIC_PARAM_SIZE_BLE_SET_PHY                    7
+#endif
+#if (BLE_50_DTM_TEST_EN == TRUE)
 #define HCIC_PARAM_SIZE_ENH_RX_TEST                    3
 #define HCIC_PARAM_SIZE_ENH_TX_TEST                    4
+#endif // #if (BLE_50_DTM_TEST_EN == TRUE)
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
 #define HCIC_PARAM_SIZE_EXT_RAND_ADDR                  7
 #define HCIC_PARAM_SIZE_EXT_ADV_SET_PARAMS             25
 #define HCIC_PARAM_SIZE_EXT_ADV_WRITE_DATA             251
@@ -914,7 +920,14 @@ BOOLEAN btsnd_hcic_ble_set_rand_priv_addr_timeout (UINT16 rpa_timout);
 
 BOOLEAN btsnd_hcic_ble_clear_adv(void);
 
+BOOLEAN btsnd_hcic_ble_set_privacy_mode(UINT8 addr_type, BD_ADDR addr, UINT8 privacy_mode);
+
+BOOLEAN btsnd_hcic_ble_set_csa_support (UINT8 csa_select);
+
+BOOLEAN btsnd_hcic_ble_set_vendor_evt_mask (UINT32 evt_mask);
+
 #endif /* BLE_INCLUDED */
+
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 typedef struct {
     UINT8 scan_type;
@@ -957,14 +970,17 @@ UINT8 btsnd_hcic_ble_set_prefered_default_phy(UINT8 all_phys,
 BOOLEAN btsnd_hcic_ble_set_phy(UINT16 conn_handle,
                                            UINT8 all_phys, UINT8 tx_phys,
                                            UINT8 rx_phys, UINT16 phy_options);
-
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#if (BLE_50_DTM_TEST_EN == TRUE)
 UINT8 btsnd_hcic_ble_enhand_rx_test(UINT8 rx_channel, UINT8 phy,
                                                          UINT8 modulation_idx);
 
 UINT8 btsnd_hcic_ble_enhand_tx_test(UINT8 tx_channel, UINT8 len,
                                                          UINT8 packect,
                                                          UINT8 phy);
+#endif // #if (BLE_50_DTM_TEST_EN == TRUE)
 
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
 UINT8 btsnd_hcic_ble_set_extend_rand_address(UINT8 adv_handle, BD_ADDR rand_addr);
 
 UINT8 btsnd_hcic_ble_set_ext_adv_params(UINT8 adv_handle, UINT16 properties, UINT32 interval_min,
@@ -1018,7 +1034,7 @@ BOOLEAN btsnd_hcic_ble_create_ext_conn(tHCI_CreatExtConn *p_conn);
 
 BOOLEAN btsnd_hcic_ble_periodic_adv_create_sync(UINT8 filter_policy, UINT8 adv_sid,
                                                                        UINT8 adv_addr_type, BD_ADDR adv_addr,
-                                                                       UINT16 sync_timeout, UINT8 unused);
+                                                                       UINT16 sync_timeout, UINT8 sync_cte_type);
 
 UINT8 btsnd_hcic_ble_periodic_adv_create_sync_cancel(void);
 
@@ -1042,8 +1058,6 @@ UINT8 btsnd_hcic_ble_write_rf_path_compensation(UINT16 rf_tx_path, UINT16 rf_rx_
 
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
-UINT8 btsnd_hcic_ble_set_privacy_mode(UINT8 addr_type, BD_ADDR addr, UINT8 privacy_mode);
-
 #define HCIC_PARAM_SIZE_WRITE_AUTHENT_PAYLOAD_TOUT  4
 
 #define HCI__WRITE_AUTHENT_PAYLOAD_TOUT_HANDLE_OFF  0
@@ -1069,4 +1083,164 @@ BOOLEAN btsnd_hcic_ble_set_periodic_adv_sync_trans_params(UINT16 conn_handle, UI
 UINT8 btsnd_hcic_ble_set_default_periodic_adv_sync_trans_params(UINT8 mode, UINT16 skip, UINT16 sync_timeout, UINT8 cte_type);
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+#if (BLE_FEAT_ISO_EN == TRUE)
+#define HCIC_PARAM_SIZE_ISO_READ_TX_SYNC_PARAMS           2
+#define HCIC_PARAM_SIZE_ISO_SET_CIG_PARAMS                15
+#define HCIC_PARAM_SIZE_ISO_SET_CIG_TEST_PARAMS           15
+#define HCIC_PARAM_SIZE_ISO_CREATE_CIS_PARAMS             1
+#define HCIC_PARAM_SIZE_ISO_REMOVE_CIG_PARAMS             1
+#define HCIC_PARAM_SIZE_ISO_ACCEPT_CIS_REQ_PARAMS         2
+#define HCIC_PARAM_SIZE_ISO_REJECT_CIS_REQ_PARAMS         3
+#define HCIC_PARAM_SIZE_ISO_READ_LINK_QUALITY_PARAMS      2
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#define HCIC_PARAM_SIZE_BIG_CREATE_PARAMS                 31
+#define HCIC_PARAM_SIZE_BIG_CREATE_TEST_PARAMS            36
+#define HCIC_PARAM_SIZE_BIG_TERMINATE_PARAMS              2
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#define HCIC_PARAM_SIZE_BIG_SYNC_CREATE_PARAMS            55
+#define HCIC_PARAM_SIZE_BIG_SYNC_TERMINATE_PARAMS         1
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+#define HCIC_PARAM_SIZE_ISO_SET_DATA_PATH_PARAMS          13
+#define HCIC_PARAM_SIZE_ISO_REMOVE_DATA_PATH_PARAMS       3
+
+#if (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+struct ble_hci_le_cis_params {
+    uint8_t cis_id;
+    uint16_t max_sdu_c_to_p;
+    uint16_t max_sdu_p_to_c;
+    uint8_t phy_c_to_p;
+    uint8_t phy_p_to_c;
+    uint8_t rtn_c_to_p;
+    uint8_t rtn_p_to_c;
+} __attribute__((packed));
+struct ble_hci_le_cis_params_test {
+    uint8_t cis_id;
+    uint8_t nse;
+    uint16_t max_sdu_c_to_p;
+    uint16_t max_sdu_p_to_c;
+    uint16_t max_pdu_c_to_p;
+    uint16_t max_pdu_p_to_c;
+    uint8_t phy_c_to_p;
+    uint8_t phy_p_to_c;
+    uint8_t bn_c_to_p;
+    uint8_t bn_p_to_c;
+} __attribute__((packed));
+
+
+struct ble_hci_cis_hdls {
+    uint16_t cis_hdl;
+    uint16_t acl_hdl;
+}__attribute__((packed));
+
+UINT8 btsnd_hcic_ble_iso_set_cig_params(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t worse_case_SCA, uint8_t packing,
+                                        uint8_t framing, uint16_t mtl_c_to_p, uint16_t mtl_p_to_c, uint8_t cis_cnt, struct ble_hci_le_cis_params *cis_params);
+UINT8 btsnd_hcic_ble_iso_set_cig_params_test(uint8_t cig_id, uint32_t sdu_int_c_to_p, uint32_t sdu_int_p_to_c, uint8_t ft_c_to_p, uint8_t ft_p_to_c,
+                                            uint16_t iso_interval, uint8_t worse_case_SCA, uint8_t packing, uint8_t framing, uint8_t cis_cnt,
+                                            struct ble_hci_le_cis_params_test *cis_params_test);
+UINT8 btsnd_hcic_ble_iso_create_cis(uint8_t cis_count, struct ble_hci_cis_hdls *cis_hdls);
+UINT8 btsnd_hcic_ble_iso_remove_cig(uint8_t cig_id);
+#endif // (BLE_FEAT_ISO_CIG_CENTRAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+UINT8 btsnd_hcic_ble_iso_accept_cis_req(uint16_t cis_handle);
+UINT8 btsnd_hcic_ble_iso_reject_cis_req(uint16_t cis_handle, uint8_t reason);
+#endif // #if (BLE_FEAT_ISO_CIG_PERIPHERAL_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+UINT8 btsnd_hcic_ble_big_create(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                                uint32_t sdu_interval, uint16_t max_sdu, uint16_t max_transport_latency,
+                                uint8_t rtn, uint8_t phy, uint8_t packing, uint8_t framing,
+                                uint8_t encryption, uint8_t *broadcast_code);
+
+UINT8 btsnd_hcic_ble_big_create_test(uint8_t big_handle, uint8_t adv_handle, uint8_t num_bis,
+                                    uint32_t sdu_interval, uint16_t iso_interval, uint8_t nse,
+                                    uint16_t max_sdu, uint16_t max_pdu, uint8_t phy,
+                                    uint8_t packing, uint8_t framing, uint8_t bn, uint8_t irc,
+                                    uint8_t pto, uint8_t encryption, uint8_t *broadcast_code);
+
+UINT8 btsnd_hcic_ble_big_terminate(uint8_t big_handle, uint8_t reason);
+#endif // #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE)
+
+#if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+UINT8 btsnd_hcic_ble_big_sync_create(uint8_t big_handle, uint16_t sync_handle,
+                                    uint8_t encryption, uint8_t *bc_code,
+                                    uint8_t mse, uint16_t big_sync_timeout,
+                                    uint8_t num_bis, uint8_t *bis);
+
+UINT8 btsnd_hcic_ble_big_sync_terminate(uint8_t big_handle);
+#endif // #if (BLE_FEAT_ISO_BIG_SYNCER_EN == TRUE)
+
+UINT8 btsnd_hcic_ble_iso_set_data_path(uint16_t conn_handle, uint8_t data_path_dir, uint8_t data_path_id, uint8_t coding_fmt,
+                                    uint16_t company_id, uint16_t vs_codec_id, uint32_t controller_delay, uint8_t codec_len,
+                                    uint8_t *codec_cfg);
+UINT8 btsnd_hcic_ble_iso_remove_data_path(uint16_t conn_handle, uint8_t data_path_dir);
+
+UINT8 btsnd_hcic_ble_iso_read_tx_sync(uint16_t iso_hdl);
+
+UINT8 btsnd_hcic_ble_iso_read_iso_link_quality(uint16_t iso_hdl);
+
+#endif // #if (BLE_FEAT_ISO_EN == TRUE)
+
+#if (BLE_FEAT_CTE_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#define HCIC_PARAM_SIZE_SET_CONNLESS_CTE_TRANS_PARAMS    5
+#define HCIC_PARAM_SIZE_SET_CONNLESS_CTE_TRANS_ENABLE    2
+#define HCIC_PARAM_SIZE_SET_CONNLESS_IQ_SAMPLING_ENABLE  6
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+#define HCIC_PARAM_SIZE_SET_CONN_CTE_RECEIVE_PARAMS      5
+#define HCIC_PARAM_SIZE_SET_CONN_CTE_TRANS_PARAMS        4
+#define HCIC_PARAM_SIZE_CONN_CTE_REQ_ENABLE              7
+#define HCIC_PARAM_SIZE_CONN_CTE_RSP_ENABLE              3
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+#define HCIC_PARAM_SIZE_READ_ANT_INFO                    0
+#if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+UINT8 btsnd_hcic_ble_set_connless_cte_trans_params(uint8_t adv_hdl, uint8_t cte_len, uint8_t cte_type,
+                                                uint8_t cte_cnt, uint8_t switching_pattern_len, uint8_t *antenna_ids);
+UINT8 btsnd_hcic_ble_set_connless_cte_enable(uint8_t adv_hdl, uint8_t cte_en);
+UINT8 btsnd_hcic_ble_set_connless_iq_sampling_enable(uint16_t sync_hdl, uint8_t sampling_en, uint8_t slot_dur,
+                                                uint8_t max_sampled_ctes, uint8_t switching_pattern_len, uint8_t *antenna_ids);
+#endif // #if (BLE_FEAT_CTE_CONNECTIONLESS_EN == TRUE)
+#if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+UINT8 btsnd_hcic_ble_set_conn_cte_receive_params(uint16_t conn_hdl, uint8_t sampling_en, uint8_t slot_dur,
+                                                uint8_t switching_pattern_len, uint8_t *antenna_ids);
+UINT8 btsnd_hcic_ble_set_conn_cte_trans_params(uint16_t conn_hdl, uint8_t cte_type, uint8_t switching_pattern_len, uint8_t *antenna_ids);
+UINT8 btsnd_hcic_ble_conn_cte_req_enable(uint16_t conn_hdl, uint8_t enable, uint16_t cte_req_int, uint8_t req_cte_len, uint8_t req_cte_type);
+UINT8 btsnd_hcic_ble_conn_cte_rsp_enable(uint16_t conn_hdl, uint8_t enable);
+#endif // #if (BLE_FEAT_CTE_CONNECTION_EN == TRUE)
+UINT8 btsnd_hcic_ble_read_antenna_info(void);
+#endif // #if (BLE_FEAT_CTE_EN == TRUE)
+
+#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+#define HCIC_PARAM_SIZE_ENH_READ_TRANS_PWR_LEVEL                    3
+#define HCIC_PARAM_SIZE_READ_REMOTE_TRANS_PWR_LEVEL                 3
+#define HCIC_PARAM_SIZE_SET_PATH_LOSS_REPORTING_PARAMS              8
+#define HCIC_PARAM_SIZE_SET_PATH_LOSS_REPORTING_ENABLE              3
+#define HCIC_PARAM_SIZE_SET_TRANS_PWR_REPORTING_ENABLE              4
+
+UINT8 btsnd_hcic_ble_enh_read_trans_power_level(uint16_t conn_handle, uint8_t phy);
+UINT8 btsnd_hcic_ble_read_remote_trans_power_level(uint16_t conn_handle, uint8_t phy);
+UINT8 btsnd_hcic_ble_set_path_loss_rpt_params(uint16_t conn_handle, uint8_t high_threshold, uint8_t high_hysteresis,
+                                            uint8_t low_threshold, uint8_t low_hysteresis, uint16_t min_time_spent);
+UINT8 btsnd_hcic_ble_set_path_loss_rpt_enable(uint16_t conn_handle, uint8_t enable);
+UINT8 btsnd_hcic_ble_set_trans_pwr_rpt_enable(uint16_t conn_handle, uint8_t local_enable, uint8_t remote_enable);
+#endif // #if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
+
+#if (BLE_FEAT_CONN_SUBRATING == TRUE)
+#define HCIC_PARAM_SIZE_SET_DEFAULT_SUBRATE_PARAMS_LEN              10
+#define HCIC_PARAM_SIZE_SUBRATE_REQ_LENGTH_PARAMS_LEN               12
+UINT8 btsnd_hcic_ble_set_default_subrate(UINT16 subrate_min, UINT16 subrate_max, UINT16 max_latency,
+                                            UINT16 continuation_number, UINT16 supervision_timeout);
+
+UINT8 btsnd_hcic_ble_subrate_request(UINT16 conn_handle, UINT16 subrate_min, UINT16 subrate_max, UINT16 max_latency,
+                                        UINT16 continuation_number, UINT16 supervision_timeout);
+#endif // #if (BLE_FEAT_CONN_SUBRATING == TRUE)
+
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
+#define HCIC_PARAM_SIZE_SET_HOST_FEATURE_PARAMS       2
+#define HCIC_PARAM_SIZE_SET_HOST_FEATURE_PARAMS_V2    3
+UINT8 btsnd_hcic_ble_set_host_feature(uint16_t bit_num, uint8_t bit_val);
+#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+
 #endif
diff --git a/lib/bt/host/bluedroid/stack/include/stack/obex_api.h b/lib/bt/host/bluedroid/stack/include/stack/obex_api.h
new file mode 100644
index 00000000..d22cd33c
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/include/stack/obex_api.h
@@ -0,0 +1,271 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "common/bt_target.h"
+
+#if (OBEX_INCLUDED == TRUE)
+
+/* API function return value result codes. */
+#define OBEX_SUCCESS                0       /* Operation successful */
+#define OBEX_FAILURE                1       /* Operation failed */
+#define OBEX_NO_RESOURCES           3       /* Not enough resources */
+#define OBEX_BAD_HANDLE             4       /* Bad handle */
+#define OBEX_INVALID_PARAM          5       /* Invalid parameter */
+#define OBEX_NOT_OPEN               6       /* Connection not open */
+#define OBEX_PACKET_TOO_LARGE       7       /* Packet size large than MTU */
+#define OBEX_ERROR_TL               8       /* Operation failed in transport layer */
+
+/*
+* OBEX profile definitions
+*/
+#define OBEX_OPCODE_CONNECT             0x80
+#define OBEX_OPCODE_DISCONNECT          0x81
+#define OBEX_OPCODE_PUT                 0x02
+#define OBEX_OPCODE_PUT_FINAL           0x82
+#define OBEX_OPCODE_GET                 0x03
+#define OBEX_OPCODE_GET_FINAL           0x83
+#define OBEX_OPCODE_SETPATH             0x85
+#define OBEX_OPCODE_ACTION              0x06
+#define OBEX_OPCODE_SESSION             0x87
+#define OBEX_OPCODE_ABORT               0xFF
+
+#define OBEX_RESPONSE_CODE_CONTINUE                         0x10
+#define OBEX_RESPONSE_CODE_OK                               0x20
+#define OBEX_RESPONSE_CODE_CREATED                          0x21
+#define OBEX_RESPONSE_CODE_ACCEPTED                         0x22
+#define OBEX_RESPONSE_CODE_NON_AUTHORITATIVE_INFO           0x23
+#define OBEX_RESPONSE_CODE_NO_CONTENT                       0x24
+#define OBEX_RESPONSE_CODE_RESET_CONTENT                    0x25
+#define OBEX_RESPONSE_CODE_PARTIAL_CONTENT                  0x26
+#define OBEX_RESPONSE_CODE_MULTIPLE_CHOICES                 0x30
+#define OBEX_RESPONSE_CODE_MOVED_PERMANENTLY                0x31
+#define OBEX_RESPONSE_CODE_MOVED_TEMPORARILY                0x31
+#define OBEX_RESPONSE_CODE_SEE_OHTER                        0x33
+#define OBEX_RESPONSE_CODE_NOT_MODIFIED                     0x34
+#define OBEX_RESPONSE_CODE_USE_PROXY                        0x35
+#define OBEX_RESPONSE_CODE_BAD_REQUEST                      0x40
+#define OBEX_RESPONSE_CODE_UNAUTHORIZED                     0x41
+#define OBEX_RESPONSE_CODE_PAYMENT_REQUIRED                 0x42
+#define OBEX_RESPONSE_CODE_FORBIDDEN                        0x43
+#define OBEX_RESPONSE_CODE_NOT_FOUND                        0x44
+#define OBEX_RESPONSE_CODE_METHOD_NOT_ALLOWED               0x45
+#define OBEX_RESPONSE_CODE_NOT_ACCEPTABLE                   0x46
+#define OBEX_RESPONSE_CODE_PROXY_AUTHENTICATION_REQUIRED    0x47
+#define OBEX_RESPONSE_CODE_REQUEST_TIME_OUT                 0x48
+#define OBEX_RESPONSE_CODE_CONFLICT                         0x49
+#define OBEX_RESPONSE_CODE_GONE                             0x4A
+#define OBEX_RESPONSE_CODE_LENGTH_REQUIRED                  0x4B
+#define OBEX_RESPONSE_CODE_PRECONDITION_FAILED              0x4C
+#define OBEX_RESPONSE_CODE_REQUESTED_ENTITY_TOO_LARGE       0x4D
+#define OBEX_RESPONSE_CODE_REQUEST_URL_TOO_LARGE            0x4E
+#define OBEX_RESPONSE_CODE_UNSUPPORTED_MEDIA_TYPE           0x4F
+#define OBEX_RESPONSE_CODE_INTERNAL_SERVER_ERROR            0x50
+#define OBEX_RESPONSE_CODE_NOT_IMPLEMENTED                  0x51
+#define OBEX_RESPONSE_CODE_BAD_GATEWAY                      0x52
+#define OBEX_RESPONSE_CODE_SERVICE_UNAVAILABLE              0x53
+#define OBEX_RESPONSE_CODE_GATEWAY_TIMEOUT                  0x54
+#define OBEX_RESPONSE_CODE_HTTP_VERSION_NOT_SUPPORTED       0x55
+#define OBEX_RESPONSE_CODE_DATABASE_FULL                    0x60
+#define OBEX_RESPONSE_CODE_DATABASE_LOCKED                  0x61
+
+#define OBEX_FINAL_BIT_MASK             0x80
+
+#define OBEX_CONNECT_FLAGS              0x01                /* support multiple link */
+#define OBEX_SETPATH_FLAGS              0x03                /* default flags */
+
+#define OBEX_PACKET_LENGTH_MAX          (0xFFFF-1)
+#define OBEX_PACKET_LENGTH_MIN          255
+
+#define OBEX_VERSION_NUMBER             0x15
+
+/* Header identifiers */
+#define OBEX_HEADER_ID_U2B_MASK             0xC0            /* upper 2 bits of header ID are user to indicate the header encoding */
+#define OBEX_HEADER_ID_U2B_TYPE1            0x00            /* null terminated Unicode text, length prefixed with 2 byte unsigned integer */
+#define OBEX_HEADER_ID_U2B_TYPE2            0x40            /* byte sequence, length prefixed with 2 byte unsigned integer */
+#define OBEX_HEADER_ID_U2B_TYPE3            0x80            /* 1 byte quantity */
+#define OBEX_HEADER_ID_U2B_TYPE4            0xC0            /* 4 byte quantity - transmitted in network byte order (high byte first) */
+
+#define OBEX_HEADER_ID_COUNT                0xC0
+#define OBEX_HEADER_ID_NAME                 0x01
+#define OBEX_HEADER_ID_TYPE                 0x42
+#define OBEX_HEADER_ID_LENGTH               0xC3
+#define OBEX_HEADER_ID_TIME_ISO8601         0x44
+#define OBEX_HEADER_ID_TIME_4BYTE           0xC4
+#define OBEX_HEADER_ID_DESCRIPTION          0x05
+#define OBEX_HEADER_ID_TARGET               0x46
+#define OBEX_HEADER_ID_HTTP                 0x47
+#define OBEX_HEADER_ID_BODY                 0x48
+#define OBEX_HEADER_ID_END_OF_BODY          0x49
+#define OBEX_HEADER_ID_WHO                  0x4A
+#define OBEX_HEADER_ID_CONNECTION_ID        0xCB
+#define OBEX_HEADER_ID_APP_PARAM            0x4C
+#define OBEX_HEADER_ID_AUTH_CHALLENGE       0x4D
+#define OBEX_HEADER_ID_AUTH_RESPONSE        0x4E
+#define OBEX_HEADER_ID_CREATOR_ID           0xCF
+#define OBEX_HEADER_ID_WAN_UUID             0x50
+#define OBEX_HEADER_ID_OBJECT_CLASS         0x51
+#define OBEX_HEADER_ID_SESSION_PARAM        0x52
+#define OBEX_HEADER_ID_SESSION_SEQ_NUM      0x93
+#define OBEX_HEADER_ID_ACTION_ID            0x94
+#define OBEX_HEADER_ID_DESTNAME             0x15
+#define OBEX_HEADER_ID_PERMISSIONS          0xD6
+#define OBEX_HEADER_ID_SRM                  0x97
+#define OBEX_HEADER_ID_SRM_PARAM            0x98
+/* Reserved for future use: 0x19 to 0x2F */
+/* User defined: 0x30 to 0x3F */
+
+#define OBEX_ACTION_ID_COPY                 0x00
+#define OBEX_ACTION_ID_MOVE_RENAME          0x01
+#define OBEX_ACTION_ID_SET_PERMISSIONS      0x02
+
+#define OBEX_SRM_DISABLE                    0x00
+#define OBEX_SRM_ENABLE                     0x01
+#define OBEX_SRM_SUPPORT                    0x02
+
+#define OBEX_SRMP_ADD_PKT                   0x00
+#define OBEX_SRMP_WAIT                      0x01
+#define OBEX_SRMP_ADD_PKT_WAIT              0x02
+
+#define OBEX_MIN_PACKET_SIZE                3
+
+enum {
+    /* client event */
+    OBEX_CONNECT_EVT,                   /* connection opened */
+    OBEX_DISCONNECT_EVT,                /* connection disconnected */
+    /* server event */
+    OBEX_CONN_INCOME_EVT,               /* an incoming connection */
+    /* client or server event */
+    OBEX_MTU_CHANGE_EVT,                /* connection mtu changed */
+    OBEX_CONGEST_EVT,                   /* connection congested */
+    OBEX_UNCONGEST_EVT,                 /* connection is not congested */
+    OBEX_DATA_EVT                       /* data received */
+};
+
+enum {
+    OBEX_OVER_L2CAP = 0,
+    OBEX_OVER_RFCOMM,
+    OBEX_NUM_TL
+};
+
+typedef struct
+{
+    UINT16 psm;                         /* l2cap psm */
+    UINT16 sec_mask;                    /* security mask */
+    UINT16 pref_mtu;                    /* preferred mtu, limited by L2CAP_MTU_SIZE */
+    BD_ADDR addr;                       /* peer bluetooth device address */
+} tOBEX_OVER_L2CAP_SVR;
+
+typedef struct
+{
+    UINT8   scn;                        /* service channel number */
+    UINT16  sec_mask;                   /* security mask */
+    UINT16  pref_mtu;                   /* preferred mtu, limited by rfcomm mtu */
+    BD_ADDR addr;                       /* peer bluetooth device address */
+} tOBEX_OVER_RFCOMM_SVR;
+
+typedef struct
+{
+    UINT8 tl;                           /* transport type, OBEX_OVER_L2CAP or OBEX_OVER_RFCOMM */
+    union
+    {
+        tOBEX_OVER_L2CAP_SVR l2cap;
+        tOBEX_OVER_RFCOMM_SVR rfcomm;
+    };
+} tOBEX_SVR_INFO;
+
+typedef struct {
+    UINT8   opcode;
+    UINT8   response_code;
+    /* Connect */
+    UINT8   obex_version_number;
+    UINT16  max_packet_length;
+    /* Connect or SetPath */
+    UINT8   flags;
+    /* Internal use */
+    UINT16  next_header_pos;
+} tOBEX_PARSE_INFO;
+
+typedef union {
+    struct {
+        UINT16 peer_mtu;
+        UINT16 our_mtu;
+    } connect;
+
+    struct {
+        UINT16 svr_handle;
+        UINT16 peer_mtu;
+        UINT16 our_mtu;
+    } conn_income;
+
+    struct {
+        UINT16 peer_mtu;
+        UINT16 our_mtu;
+    } mtu_change;
+
+    struct {
+        BT_HDR *pkt;
+    } data;
+} tOBEX_MSG;
+
+typedef void (tOBEX_MSG_CBACK)(UINT16 handle, UINT8 event, tOBEX_MSG *msg);
+
+/*******************************************************************************
+*       The following APIs are called by bluetooth stack automatically
+*******************************************************************************/
+
+extern UINT16 OBEX_Init(void);
+
+extern void OBEX_Deinit(void);
+
+/*******************************************************************************
+*               The following APIs must be executed in btu task
+*******************************************************************************/
+
+extern UINT16 OBEX_CreateConn(tOBEX_SVR_INFO *server, tOBEX_MSG_CBACK callback, UINT16 *out_handle);
+
+extern UINT16 OBEX_RemoveConn(UINT16 handle);
+
+extern UINT16 OBEX_SendPacket(UINT16 handle, BT_HDR *pkt);
+
+extern UINT16 OBEX_RegisterServer(tOBEX_SVR_INFO *server, tOBEX_MSG_CBACK callback, UINT16 *out_svr_handle);
+
+extern UINT16 OBEX_DeregisterServer(UINT16 svr_handle);
+
+/*******************************************************************************
+*    The following APIs are util function, can be executed in btu or btc task
+*******************************************************************************/
+
+extern UINT16 OBEX_BuildRequest(tOBEX_PARSE_INFO *info, UINT16 buff_size, BT_HDR **out_pkt);
+
+extern UINT16 OBEX_BuildResponse(tOBEX_PARSE_INFO *info, UINT16 buff_size, BT_HDR **out_pkt);
+
+extern UINT16 OBEX_AppendHeader(BT_HDR *pkt, const UINT8 *header);
+
+extern UINT16 OBEX_AppendHeaderRaw(BT_HDR *pkt, UINT8 header_id, const UINT8 *data, UINT16 data_len);
+
+extern UINT16 OBEX_AppendHeaderSRM(BT_HDR *pkt, UINT8 value);
+
+extern UINT16 OBEX_AppendHeaderSRMP(BT_HDR *pkt, UINT8 value);
+
+extern UINT16 OBEX_GetPacketFreeSpace(BT_HDR *pkt);
+
+extern UINT16 OBEX_GetPacketLength(BT_HDR *pkt);
+
+extern UINT16 OBEX_ParseRequest(BT_HDR *pkt, tOBEX_PARSE_INFO *info);
+
+extern UINT16 OBEX_ParseResponse(BT_HDR *pkt, UINT8 opcode, tOBEX_PARSE_INFO *info);
+
+extern BOOLEAN OBEX_CheckFinalBit(BT_HDR *pkt);
+
+extern BOOLEAN OBEX_CheckContinueResponse(BT_HDR *pkt);
+
+extern UINT8 *OBEX_GetNextHeader(BT_HDR *pkt, tOBEX_PARSE_INFO *info);
+
+extern UINT16 OBEX_GetHeaderLength(UINT8 *header);
+
+#endif /* #if (OBEX_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/include/stack/sdp_api.h b/lib/bt/host/bluedroid/stack/include/stack/sdp_api.h
index 70da3182..7075e8bb 100644
--- a/lib/bt/host/bluedroid/stack/include/stack/sdp_api.h
+++ b/lib/bt/host/bluedroid/stack/include/stack/sdp_api.h
@@ -365,6 +365,20 @@ extern BOOLEAN SDP_FindProtocolListElemInRec (tSDP_DISC_REC *p_rec,
         UINT16 layer_uuid,
         tSDP_PROTOCOL_ELEM *p_elem);
 
+/*******************************************************************************
+**
+** Function         SDP_FindProtocolListElem
+**
+** Description      This function looks at the protocol list for a specific protocol
+**                  list element.
+**
+** Returns          TRUE if found, FALSE if not
+**                  If found, the passed protocol list element is filled in.
+**
+*******************************************************************************/
+extern BOOLEAN SDP_FindProtocolListElem (tSDP_DISC_ATTR *p_protocol_list,
+        UINT16 layer_uuid,
+        tSDP_PROTOCOL_ELEM *p_elem);
 
 /*******************************************************************************
 **
@@ -409,7 +423,7 @@ extern BOOLEAN SDP_FindProfileVersionInRec (tSDP_DISC_REC *p_rec,
 **
 ** Description      This function is called to create a record in the database.
 **                  This would be through the SDP database maintenance API. The
-**                  record is created empty, teh application should then call
+**                  record is created empty, the application should then call
 **                  "add_attribute" to add the record's attributes.
 **
 ** Returns          Record handle if OK, else 0.
diff --git a/lib/bt/host/bluedroid/stack/l2cap/include/l2c_int.h b/lib/bt/host/bluedroid/stack/l2cap/include/l2c_int.h
index 045fb10d..88eac86b 100644
--- a/lib/bt/host/bluedroid/stack/l2cap/include/l2c_int.h
+++ b/lib/bt/host/bluedroid/stack/l2cap/include/l2c_int.h
@@ -65,7 +65,7 @@
 #define L2CAP_WAIT_UNPARK_TOUT       2            /* 2 seconds */
 #define L2CAP_LINK_INFO_RESP_TOUT    2            /* 2 seconds */
 #define L2CAP_UPDATE_CONN_PARAM_TOUT 6            /* 6 seconds */
-#define L2CAP_BLE_LINK_CONNECT_TOUT  BLE_ESTABLISH_LINK_CONNECTION_TIMEOUT  // configed in menuconfig
+#define L2CAP_BLE_LINK_CONNECT_TOUT  BLE_ESTABLISH_LINK_CONNECTION_TIMEOUT  // configured in menuconfig
 #define L2CAP_BLE_CONN_PARAM_UPD_TOUT   30        /* 30 seconds */
 
 /* quick timer uses millisecond unit */
@@ -80,10 +80,10 @@
 ** the Bluetooth specification.
 */
 typedef enum {
-    CST_CLOSED,                           /* Channel is in clodes state           */
+    CST_CLOSED,                           /* Channel is in closed state           */
     CST_ORIG_W4_SEC_COMP,                 /* Originator waits security clearence  */
     CST_TERM_W4_SEC_COMP,                 /* Acceptor waits security clearence    */
-    CST_W4_L2CAP_CONNECT_RSP,             /* Waiting for peer conenct response    */
+    CST_W4_L2CAP_CONNECT_RSP,             /* Waiting for peer connect response    */
     CST_W4_L2CA_CONNECT_RSP,              /* Waiting for upper layer connect rsp  */
     CST_CONFIG,                           /* Negotiating configuration            */
     CST_OPEN,                             /* Data transfer state                  */
@@ -208,8 +208,8 @@ typedef struct {
     UINT32      controller_idle;            /* # of times less than 2 packets in controller */
     /* when the xmit window was closed          */
     UINT32      pkts_retransmitted;         /* # of packets that were retransmitted     */
-    UINT32      retrans_touts;              /* # of retransmission timouts              */
-    UINT32      xmit_ack_touts;             /* # of xmit ack timouts                    */
+    UINT32      retrans_touts;              /* # of retransmission timeouts              */
+    UINT32      xmit_ack_touts;             /* # of xmit ack timeouts                    */
 
 #define L2CAP_ERTM_STATS_NUM_AVG 10
 #define L2CAP_ERTM_STATS_AVG_NUM_SAMPLES 100
@@ -386,7 +386,7 @@ typedef struct t_l2c_linkcb {
 
     tL2C_CCB            *p_pending_ccb;             /* ccb of waiting channel during link disconnect */
     TIMER_LIST_ENT      info_timer_entry;           /* Timer entry for info resp timeout evt */
-    TIMER_LIST_ENT      upda_con_timer;             /* Timer entry for update connection parametr */
+    TIMER_LIST_ENT      upda_con_timer;             /* Timer entry for update connection parameter */
     BD_ADDR             remote_bd_addr;             /* The BD address of the remote     */
 
     UINT8               link_role;                  /* Master or slave                  */
@@ -599,7 +599,7 @@ extern BOOLEAN  l2cu_start_post_bond_timer (UINT16 handle);
 extern void     l2cu_release_lcb (tL2C_LCB *p_lcb);
 extern tL2C_LCB *l2cu_find_lcb_by_bd_addr (BD_ADDR p_bd_addr, tBT_TRANSPORT transport);
 extern tL2C_LCB *l2cu_find_lcb_by_handle (UINT16 handle);
-extern uint8_t l2cu_plcb_active_count(void);
+extern uint8_t l2cu_ble_plcb_active_count(void);
 extern void     l2cu_update_lcb_4_bonding (BD_ADDR p_bd_addr, BOOLEAN is_bonding);
 
 extern UINT8    l2cu_get_conn_role (tL2C_LCB *p_this_lcb);
diff --git a/lib/bt/host/bluedroid/stack/l2cap/l2c_ble.c b/lib/bt/host/bluedroid/stack/l2cap/l2c_ble.c
index 956a4b7f..3ce25ab9 100644
--- a/lib/bt/host/bluedroid/stack/l2cap/l2c_ble.c
+++ b/lib/bt/host/bluedroid/stack/l2cap/l2c_ble.c
@@ -111,7 +111,7 @@ BOOLEAN L2CA_CancelBleConnectReq (BD_ADDR rem_bda)
         p_lcb = l2cu_find_lcb_by_bd_addr(rem_bda, BT_TRANSPORT_LE);
         /* Do not remove lcb if an LE link is already up as a peripheral */
         if (p_lcb != NULL &&
-                !(p_lcb->link_role == HCI_ROLE_SLAVE && BTM_ACL_IS_CONNECTED(rem_bda))) {
+                !(p_lcb->link_role == HCI_ROLE_SLAVE && BTM_LE_ACL_IS_CONNECTED(rem_bda))) {
             p_lcb->disc_reason = L2CAP_CONN_CANCEL;
             l2cu_release_lcb (p_lcb);
         }
@@ -242,7 +242,7 @@ BOOLEAN L2CA_EnableUpdateBleConnParams (BD_ADDR rem_bda, BOOLEAN enable)
         return (FALSE);
     }
     bool is_disable = (p_lcb->conn_update_mask & L2C_BLE_CONN_UPDATE_DISABLE);
-    if(l2cu_plcb_active_count() >1 && !(enable && is_disable)) {
+    if(l2cu_ble_plcb_active_count() >1 && !(enable && is_disable)) {
         return FALSE;
     }
 
@@ -376,6 +376,7 @@ void l2cble_scanner_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE type,
     p_lcb->waiting_update_conn_latency = p_lcb->current_used_conn_latency = conn_latency;
     p_lcb->conn_update_mask = L2C_BLE_NOT_DEFAULT_PARAM;
     p_lcb->updating_param_flag = false;
+    p_lcb->ble_addr_type = type;
 
     /* If there are any preferred connection parameters, set them now */
     if ( (p_dev_rec->conn_params.min_conn_int     >= BTM_BLE_CONN_INT_MIN ) &&
@@ -476,6 +477,7 @@ void l2cble_advertiser_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE typ
     p_lcb->waiting_update_conn_latency      =  p_lcb->current_used_conn_latency = conn_latency;
     p_lcb->conn_update_mask = L2C_BLE_NOT_DEFAULT_PARAM;
     p_lcb->updating_param_flag = false;
+    p_lcb->ble_addr_type = type;
 
     /* Tell BTM Acl management about the link */
     p_dev_rec = btm_find_or_alloc_dev (bda);
@@ -900,6 +902,12 @@ BOOLEAN l2cble_init_direct_conn (tL2C_LCB *p_lcb)
 
     scan_int = (p_cb->scan_int == BTM_BLE_SCAN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
     scan_win = (p_cb->scan_win == BTM_BLE_SCAN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;
+    if (p_dev_rec->conn_params.scan_interval && p_dev_rec->conn_params.scan_interval != BTM_BLE_CONN_PARAM_UNDEF) {
+        scan_int = p_dev_rec->conn_params.scan_interval;
+    }
+    if (p_dev_rec->conn_params.scan_window && p_dev_rec->conn_params.scan_window != BTM_BLE_CONN_PARAM_UNDEF) {
+        scan_win = p_dev_rec->conn_params.scan_window;
+    }
 
     peer_addr_type = p_lcb->ble_addr_type;
     memcpy(peer_addr, p_lcb->remote_bd_addr, BD_ADDR_LEN);
@@ -964,22 +972,24 @@ BOOLEAN l2cble_init_direct_conn (tL2C_LCB *p_lcb)
     }
 
     if (!p_lcb->is_aux) {
-        if (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int      */
-                                            scan_win, /* UINT16 scan_win      */
-                                            FALSE,                   /* UINT8 white_list     */
-                                            peer_addr_type,          /* UINT8 addr_type_peer */
-                                            peer_addr,               /* BD_ADDR bda_peer     */
-                                            own_addr_type,         /* UINT8 addr_type_own  */
+        if (!btsnd_hcic_ble_create_ll_conn (scan_int, /* UINT16 scan_int */
+                                            scan_win, /* UINT16 scan_win */
+                                            FALSE, /* UINT8 white_list */
+                                            peer_addr_type, /* UINT8 addr_type_peer */
+                                            peer_addr, /* BD_ADDR bda_peer */
+                                            own_addr_type, /* UINT8 addr_type_own */
                                             (UINT16) ((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
-                                                    p_dev_rec->conn_params.min_conn_int : BTM_BLE_CONN_INT_MIN_DEF),  /* UINT16 conn_int_min  */
+                                                    p_dev_rec->conn_params.min_conn_int : BTM_BLE_CONN_INT_MIN_DEF), /* UINT16 conn_int_min */
                                             (UINT16) ((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
-                                                    p_dev_rec->conn_params.max_conn_int : BTM_BLE_CONN_INT_MAX_DEF),  /* UINT16 conn_int_max  */
+                                                    p_dev_rec->conn_params.max_conn_int : BTM_BLE_CONN_INT_MAX_DEF), /* UINT16 conn_int_max */
                                             (UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ?
-                                                    p_dev_rec->conn_params.slave_latency : BTM_BLE_CONN_SLAVE_LATENCY_DEF), /* UINT16 conn_latency  */
+                                                    p_dev_rec->conn_params.slave_latency : BTM_BLE_CONN_SLAVE_LATENCY_DEF), /* UINT16 conn_latency */
                                             (UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ?
-                                                    p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_TIMEOUT_DEF), /* conn_timeout */
-                                            BLE_CE_LEN_MIN,                       /* UINT16 min_len       */
-                                            BLE_CE_LEN_MIN)) {                    /* UINT16 max_len       */
+                                                    p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_TIMEOUT_DEF), /* UINT16 conn_timeout */
+                                            (UINT16) ((p_dev_rec->conn_params.min_ce_len != BTM_BLE_CONN_PARAM_UNDEF) ?
+                                                    p_dev_rec->conn_params.min_ce_len : BLE_CE_LEN_MIN), /* UINT16 min_ce_len */
+                                            (UINT16) ((p_dev_rec->conn_params.max_ce_len != BTM_BLE_CONN_PARAM_UNDEF) ?
+                                                    p_dev_rec->conn_params.max_ce_len : BLE_CE_LEN_MIN) /* UINT16 max_ce_len */)) {
             l2cu_release_lcb (p_lcb);
             L2CAP_TRACE_ERROR("initiate direct connection fail, no resources");
             return (FALSE);
@@ -1063,11 +1073,11 @@ BOOLEAN l2cble_create_conn (tL2C_LCB *p_lcb)
         L2CAP_TRACE_WARNING ("L2CAP - LE - cannot start new connection at conn st: %d", conn_st);
 
         btm_ble_enqueue_direct_conn_req(p_lcb);
-
+#if (tGATT_BG_CONN_DEV == TRUE)
         if (conn_st == BLE_BG_CONN) {
             btm_ble_suspend_bg_conn();
         }
-
+#endif // #if (tGATT_BG_CONN_DEV == TRUE)
         rt = TRUE;
     }
     return rt;
diff --git a/lib/bt/host/bluedroid/stack/l2cap/l2c_link.c b/lib/bt/host/bluedroid/stack/l2cap/l2c_link.c
index c3118fdd..1af7e8b3 100644
--- a/lib/bt/host/bluedroid/stack/l2cap/l2c_link.c
+++ b/lib/bt/host/bluedroid/stack/l2cap/l2c_link.c
@@ -368,9 +368,11 @@ BOOLEAN l2c_link_hci_disc_comp (UINT16 handle, UINT8 reason)
             BTM_Recovery_Pre_State();
         }
         #if (BLE_50_FEATURE_SUPPORT == TRUE)
+        #if (BLE_50_EXTEND_ADV_EN == TRUE)
         if(btm_ble_inter_get() && reason == HCI_ERR_CONN_FAILED_ESTABLISHMENT) {
             BTM_BleStartExtAdvRestart(handle);
         }
+        #endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
         #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #endif  ///BLE_INCLUDED == TRUE
         status = FALSE;
@@ -478,24 +480,36 @@ BOOLEAN l2c_link_hci_disc_comp (UINT16 handle, UINT8 reason)
                 if (l2cu_create_conn(p_lcb, BT_TRANSPORT_LE)) {
                     btm_acl_removed (p_lcb->remote_bd_addr, BT_TRANSPORT_LE);
                     lcb_is_free = FALSE;    /* still using this lcb */
+                } else {
+                    L2CAP_TRACE_ERROR("master retry connect failed");
                 }
             }
             #endif // (GATTC_CONNECT_RETRY_EN == TRUE)
 
             #if (BLE_50_FEATURE_SUPPORT == TRUE)
+            #if (BLE_50_EXTEND_ADV_EN == TRUE)
             if(btm_ble_inter_get() && p_lcb->link_role == HCI_ROLE_SLAVE) {
                 p_lcb->retry_create_con ++;
                 L2CAP_TRACE_DEBUG("slave restart extend adv, retry count %d reason 0x%x\n", p_lcb->retry_create_con, reason);
-                BTM_BleStartExtAdvRestart(handle);
+                tBTM_STATUS start_adv_status = BTM_BleStartExtAdvRestart(handle);
+                if (start_adv_status != BTM_SUCCESS) {
+                    L2CAP_TRACE_ERROR("slave restart extend adv failed (err 0x%x)", start_adv_status);
+                }
             }
+            #endif // #if (BLE_50_EXTEND_ADV_EN == TRUE)
             #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
             #if (BLE_42_FEATURE_SUPPORT == TRUE)
+            #if (BLE_42_ADV_EN == TRUE)
             if(!btm_ble_inter_get() && p_lcb->link_role == HCI_ROLE_SLAVE) {
                 p_lcb->retry_create_con ++;
                 L2CAP_TRACE_DEBUG("slave resatrt adv, retry count %d reason 0x%x\n", p_lcb->retry_create_con, reason);
-                btm_ble_start_adv();
+                tBTM_STATUS start_adv_status = btm_ble_start_adv();
+                if (start_adv_status != BTM_SUCCESS) {
+                    L2CAP_TRACE_ERROR("slave resatrt adv failed (err 0x%x)", start_adv_status);
+                }
             }
+            #endif // #if (BLE_42_ADV_EN == TRUE)
             #endif // #if (BLE_42_FEATURE_SUPPORT == TRUE)
         }
 
@@ -1078,7 +1092,9 @@ void l2c_link_check_send_pkts (tL2C_LCB *p_lcb, tL2C_CCB *p_ccb, BT_HDR *p_buf)
 	        p_lcb_cur = list_node(p_node);
 		if (p_lcb_cur == p_lcb) {
 		    p_node = list_next(p_node);
-		    p_lcb = list_node(p_node);
+		    if (p_node) {
+		        p_lcb = list_node(p_node);
+		    }
 		    break;
 		}
 	    }
diff --git a/lib/bt/host/bluedroid/stack/l2cap/l2c_utils.c b/lib/bt/host/bluedroid/stack/l2cap/l2c_utils.c
index 992d4b68..e4bf8a08 100644
--- a/lib/bt/host/bluedroid/stack/l2cap/l2c_utils.c
+++ b/lib/bt/host/bluedroid/stack/l2cap/l2c_utils.c
@@ -336,14 +336,14 @@ tL2C_LCB  *l2cu_find_free_lcb (void)
     return (NULL);
 }
 
-uint8_t l2cu_plcb_active_count(void)
+uint8_t l2cu_ble_plcb_active_count(void)
 {
     list_node_t *p_node = NULL;
     tL2C_LCB    *p_lcb  = NULL;
     uint8_t active_count = 0;
     for (p_node = list_begin(l2cb.p_lcb_pool); p_node; p_node = list_next(p_node)) {
         p_lcb = list_node(p_node);
-        if (p_lcb && p_lcb->in_use) {
+        if (p_lcb && p_lcb->in_use && p_lcb->transport == BT_TRANSPORT_LE) {
             active_count ++;
         }
     }
@@ -615,7 +615,7 @@ void l2cu_send_peer_connect_rsp (tL2C_CCB *p_ccb, UINT16 result, UINT16 status)
 **
 ** Description      Build and send an L2CAP "connection response neg" message
 **                  to the peer. This function is called when there is no peer
-**                  CCB (non-existant PSM or no resources).
+**                  CCB (non-existent PSM or no resources).
 **
 ** Returns          void
 **
@@ -1737,7 +1737,7 @@ void l2cu_release_ccb (tL2C_CCB *p_ccb)
        ) {
         l2cu_dequeue_ccb (p_ccb);
 
-        /* Delink the CCB from the LCB */
+        /* Unlink the CCB from the LCB */
         p_ccb->p_lcb = NULL;
     }
 
@@ -1960,7 +1960,7 @@ tL2C_RCB *l2cu_find_ble_rcb_by_psm (UINT16 psm)
 **
 ** Returns          UINT8 - L2CAP_PEER_CFG_OK if passed to upper layer,
 **                          L2CAP_PEER_CFG_UNACCEPTABLE if automatically responded to
-**                              because parameters are unnacceptable from a specification
+**                              because parameters are unacceptable from a specification
 **                              point of view.
 **                          L2CAP_PEER_CFG_DISCONNECT if no compatible channel modes
 **                              between the two devices, and shall be closed.
@@ -2558,7 +2558,7 @@ BOOLEAN l2cu_set_acl_priority (BD_ADDR bd_addr, UINT8 priority, BOOLEAN reset_af
 **
 ** Function         l2cu_set_non_flushable_pbf
 **
-** Description      set L2CAP_PKT_START_NON_FLUSHABLE if controller supoorts
+** Description      set L2CAP_PKT_START_NON_FLUSHABLE if controller supports
 **
 ** Returns          void
 **
@@ -3328,7 +3328,7 @@ static tL2C_CCB *l2cu_get_next_channel_in_rr(tL2C_LCB *p_lcb)
     for ( i = 0; (i < L2CAP_NUM_CHNL_PRIORITY) && (!p_serve_ccb); i++ ) {
         /* scan all channel within serving priority group until finding a channel to serve */
         for ( j = 0; (j < p_lcb->rr_serv[p_lcb->rr_pri].num_ccb) && (!p_serve_ccb); j++) {
-            /* scaning from next serving channel */
+            /* scanning from next serving channel */
             p_ccb = p_lcb->rr_serv[p_lcb->rr_pri].p_serve_ccb;
 
             if (!p_ccb) {
diff --git a/lib/bt/host/bluedroid/stack/obex/include/obex_int.h b/lib/bt/host/bluedroid/stack/obex/include/obex_int.h
new file mode 100644
index 00000000..28c4eab4
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/include/obex_int.h
@@ -0,0 +1,76 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "common/bt_target.h"
+
+#include "stack/obex_api.h"
+#include "obex_tl.h"
+#include "obex_tl_l2cap.h"
+
+#if (OBEX_INCLUDED == TRUE)
+
+#if (RFCOMM_INCLUDED == TRUE)
+#define OBEX_BT_HDR_MIN_OFFSET      OBEX_TL_RFCOMM_BT_HDR_MIN_OFFSET        /* should set to max value of all transport layer */
+#define OBEX_BT_HDR_RESERVE_LEN     OBEX_TL_RFCOMM_BT_HDR_RESERVE_LEN       /* should set to max value of all transport layer */
+#else
+#define OBEX_BT_HDR_MIN_OFFSET      OBEX_TL_L2CAP_BT_HDR_OFFSET_MIN
+#define OBEX_BT_HDR_RESERVE_LEN     OBEX_TL_L2CAP_BT_HDR_RESERVE_LEN
+#endif
+
+#define OBEX_ROLE_CLIENT            0x01
+#define OBEX_ROLE_SERVER            0x02
+
+/* OBEX connection state */
+#define OBEX_STATE_IDLE             0       /* No connection */
+#define OBEX_STATE_OPENING          1       /* Starting to open a connection */
+#define OBEX_STATE_OPENED           2       /* Connection opened */
+
+/* OBEX Connection Control block */
+typedef struct {
+    tOBEX_MSG_CBACK     *callback;      /* Connection msg callback function */
+    UINT16              tl_hdl;         /* Transport layer non-zeros connection handle*/
+    UINT16              tl_peer_mtu;    /* Transport layer peer mtu */
+    UINT16              tl_our_mtu;     /* Transport layer our mtu */
+    UINT8               tl_cong;        /* 1 if transport layer congestion, otherwise 0 */
+    UINT8               tl;             /* OBEX_OVER_L2CAP or OBEX_OVER_RFCOMM */
+    UINT8               allocated;      /* 0, not allocated. index+1, otherwise. equal to api handle */
+    UINT8               state;          /* This OBEX connection state */
+    UINT8               role;           /* This OBEX connection role */
+} tOBEX_CCB;
+
+/* OBEX Server Control block */
+typedef struct {
+    tOBEX_MSG_CBACK     *callback;      /* Connection msg callback function */
+    UINT16              tl_hdl;         /* Transport layer non-zeros server handle*/
+    UINT8               tl;             /* OBEX_OVER_L2CAP or OBEX_OVER_RFCOMM */
+    UINT8               allocated;      /* 0, not allocated. index+1, otherwise. */
+} tOBEX_SCB;
+
+/* OBEX Control block */
+typedef struct {
+    tOBEX_CCB       ccb[OBEX_MAX_CONNECTION];   /* connection control blocks */
+    tOBEX_SCB       scb[OBEX_MAX_SERVER];       /* server control blocks */
+    tOBEX_TL_OPS    *tl_ops[OBEX_NUM_TL];       /* transport operation function pointer */
+    UINT8           trace_level;                /* trace level */
+} tOBEX_CB;
+
+#if OBEX_DYNAMIC_MEMORY == FALSE
+extern tOBEX_CB obex_cb;
+#else
+extern tOBEX_CB *obex_cb_ptr;
+#define obex_cb (*obex_cb_ptr)
+#endif
+
+void obex_tl_l2cap_callback(tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg);
+void obex_tl_rfcomm_callback(tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg);
+tOBEX_CCB *obex_allocate_ccb(void);
+tOBEX_SCB *obex_allocate_scb(void);
+void obex_free_ccb(tOBEX_CCB *p_ccb);
+void obex_free_scb(tOBEX_SCB *p_scb);
+
+#endif /* #if (OBEX_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/obex/include/obex_tl.h b/lib/bt/host/bluedroid/stack/obex/include/obex_tl.h
new file mode 100644
index 00000000..9211b9b0
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/include/obex_tl.h
@@ -0,0 +1,97 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "common/bt_target.h"
+
+#if (OBEX_INCLUDED == TRUE)
+
+/* Return code of obex_tl_send_data */
+#define OBEX_TL_FAILED              FALSE
+#define OBEX_TL_SUCCESS             TRUE
+#define OBEX_TL_CONGESTED           2
+
+typedef enum {
+    OBEX_TL_CONN_OPEN_EVT,
+    OBEX_TL_CONN_INCOME_EVT,
+    OBEX_TL_DIS_CONN_EVT,
+    OBEX_TL_CONGEST_EVT,
+    OBEX_TL_UNCONGEST_EVT,
+    OBEX_TL_MTU_CHANGE_EVT,
+    OBEX_TL_DATA_EVT
+} tOBEX_TL_EVT;
+
+typedef union {
+    /* general struct, used to retrieve handle */
+    struct {
+        UINT16 hdl;
+    } any;
+
+    /* struct for OBEX_TL_CONN_OPEN_EVT */
+    struct {
+        UINT16 hdl;
+        UINT16 peer_mtu;
+        UINT16 our_mtu;
+    } conn_open;
+
+    /* struct for OBEX_TL_CONN_INCOME_EVT */
+    struct {
+        UINT16 hdl;
+        UINT16 peer_mtu;
+        UINT16 our_mtu;
+        UINT16 svr_hdl;
+    } conn_income;
+
+    /* struct for OBEX_TL_MTU_CHANGE_EVT */
+    struct {
+        UINT16 hdl;
+        UINT16 peer_mtu;
+        UINT16 our_mtu;
+    } mtu_chg;
+
+    /* struct for OBEX_TL_DATA_EVT */
+    struct {
+        UINT16 hdl;
+        BT_HDR *p_buf;
+    } data;
+} tOBEX_TL_MSG;
+
+typedef struct
+{
+    UINT16  psm;                /* l2cap psm */
+    UINT16  sec_mask;           /* security mask */
+    UINT16  pref_mtu;           /* preferred mtu, limited by L2CAP_MTU_SIZE */
+    BD_ADDR addr;               /* peer bluetooth device address */
+} tOBEX_TL_L2CAP_SVR;
+
+typedef struct
+{
+    UINT8   scn;                /* service channel number */
+    UINT16  sec_mask;           /* security mask */
+    UINT16  pref_mtu;           /* preferred mtu, limited by rfcomm mtu */
+    BD_ADDR addr;               /* peer bluetooth device address */
+} tOBEX_TL_RFCOMM_SVR;
+
+typedef union
+{
+    tOBEX_TL_L2CAP_SVR l2cap;
+    tOBEX_TL_RFCOMM_SVR rfcomm;
+} tOBEX_TL_SVR_INFO;
+
+typedef void (tOBEX_TL_CBACK)(tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg);
+
+typedef struct {
+    void (*init)(tOBEX_TL_CBACK *callback);
+    void (*deinit)(void);
+    UINT16 (*connect)(tOBEX_TL_SVR_INFO *server);
+    void (*disconnect)(UINT16 tl_hdl);
+    UINT16 (*send)(UINT16 tl_hdl, BT_HDR *p_buf);
+    UINT16 (*bind)(tOBEX_TL_SVR_INFO *server);
+    void (*unbind)(UINT16 tl_hdl);
+} tOBEX_TL_OPS;
+
+#endif /* #if (OBEX_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/obex/include/obex_tl_l2cap.h b/lib/bt/host/bluedroid/stack/obex/include/obex_tl_l2cap.h
new file mode 100644
index 00000000..32667766
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/include/obex_tl_l2cap.h
@@ -0,0 +1,18 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "obex_tl.h"
+
+#if (OBEX_INCLUDED == TRUE)
+
+#define OBEX_TL_L2CAP_BT_HDR_MIN_OFFSET         13      /* equal to L2CAP_MIN_OFFSET */
+#define OBEX_TL_L2CAP_BT_HDR_RESERVE_LEN        0       /* not require any additional byte */
+
+tOBEX_TL_OPS *obex_tl_l2cap_ops_get(void);
+
+#endif /* #if (OBEX_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/obex/include/obex_tl_rfcomm.h b/lib/bt/host/bluedroid/stack/obex/include/obex_tl_rfcomm.h
new file mode 100644
index 00000000..61b9d295
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/include/obex_tl_rfcomm.h
@@ -0,0 +1,18 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "obex_tl.h"
+
+#if (OBEX_INCLUDED == TRUE && RFCOMM_INCLUDED == TRUE)
+
+#define OBEX_TL_RFCOMM_BT_HDR_MIN_OFFSET        18      /* RFCOMM_MIN_OFFSET + L2CAP_MIN_OFFSET */
+#define OBEX_TL_RFCOMM_BT_HDR_RESERVE_LEN       1       /* reserve 1 byte for rfcomm fcs */
+
+tOBEX_TL_OPS *obex_tl_rfcomm_ops_get(void);
+
+#endif /* #if (OBEX_INCLUDED == TRUE && RFCOMM_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/obex/obex_api.c b/lib/bt/host/bluedroid/stack/obex/obex_api.c
new file mode 100644
index 00000000..99276a93
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/obex_api.c
@@ -0,0 +1,776 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <string.h>
+
+#include "osi/osi.h"
+#include "osi/allocator.h"
+#include "common/bt_target.h"
+
+#include "stack/obex_api.h"
+#include "obex_int.h"
+#include "obex_tl.h"
+#include "obex_tl_l2cap.h"
+#include "obex_tl_rfcomm.h"
+
+#if (OBEX_INCLUDED == TRUE)
+
+static inline void obex_server_to_tl_server(tOBEX_SVR_INFO *server, tOBEX_TL_SVR_INFO *tl_server)
+{
+    if (server->tl == OBEX_OVER_L2CAP) {
+        tl_server->l2cap.psm = server->l2cap.psm;
+        tl_server->l2cap.sec_mask = server->l2cap.sec_mask;
+        tl_server->l2cap.pref_mtu = server->l2cap.pref_mtu;
+        bdcpy(tl_server->l2cap.addr, server->l2cap.addr);
+    }
+    else if (server->tl == OBEX_OVER_RFCOMM) {
+        tl_server->rfcomm.scn = server->rfcomm.scn;
+        tl_server->rfcomm.sec_mask = server->rfcomm.sec_mask;
+        tl_server->rfcomm.pref_mtu = server->rfcomm.pref_mtu;
+        bdcpy(tl_server->rfcomm.addr, server->rfcomm.addr);
+    }
+    else {
+        OBEX_TRACE_ERROR("Unsupported OBEX transport type\n");
+        assert(0);
+    }
+}
+
+static inline void obex_updata_packet_length(BT_HDR *p_buf, UINT16 len)
+{
+    UINT8 *p_pkt_len = (UINT8 *)(p_buf + 1) + p_buf->offset + 1;
+    UINT16_TO_BE_FIELD(p_pkt_len, len);
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_Init
+**
+** Description      Initialize OBEX Profile, must call before using any other
+**                  OBEX APIs
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_Init(void)
+{
+#if (OBEX_DYNAMIC_MEMORY)
+    if (!obex_cb_ptr) {
+        obex_cb_ptr = (tOBEX_CB *)osi_malloc(sizeof(tOBEX_CB));
+        if (!obex_cb_ptr) {
+            return OBEX_NO_RESOURCES;
+        }
+    }
+#endif /* #if (OBEX_DYNAMIC_MEMORY) */
+    memset(&obex_cb, 0, sizeof(tOBEX_CB));
+    obex_cb.tl_ops[OBEX_OVER_L2CAP] = obex_tl_l2cap_ops_get();
+    if (obex_cb.tl_ops[OBEX_OVER_L2CAP]->init != NULL) {
+        obex_cb.tl_ops[OBEX_OVER_L2CAP]->init(obex_tl_l2cap_callback);
+    }
+#if (RFCOMM_INCLUDED == TRUE)
+    obex_cb.tl_ops[OBEX_OVER_RFCOMM] = obex_tl_rfcomm_ops_get();
+    if (obex_cb.tl_ops[OBEX_OVER_RFCOMM]->init != NULL) {
+        obex_cb.tl_ops[OBEX_OVER_RFCOMM]->init(obex_tl_rfcomm_callback);
+    }
+#endif
+    obex_cb.trace_level = BT_TRACE_LEVEL_ERROR;
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_Deinit
+**
+** Description      Deinit OBEX profile, once deinit, can not use any other
+**                  APIs until call OBEX_Init again
+**
+*******************************************************************************/
+void OBEX_Deinit(void)
+{
+    if (obex_cb.tl_ops[OBEX_OVER_L2CAP]->deinit != NULL) {
+        obex_cb.tl_ops[OBEX_OVER_L2CAP]->deinit();
+    }
+#if (RFCOMM_INCLUDED == TRUE)
+    if (obex_cb.tl_ops[OBEX_OVER_RFCOMM]->deinit != NULL) {
+        obex_cb.tl_ops[OBEX_OVER_RFCOMM]->deinit();
+    }
+#endif
+#if (OBEX_DYNAMIC_MEMORY)
+    if (obex_cb_ptr) {
+        osi_free(obex_cb_ptr);
+        obex_cb_ptr = NULL;
+    }
+#endif /* #if (OBEX_DYNAMIC_MEMORY) */
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_CreateConn
+**
+** Description      Start the progress of creating an OBEX connection
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed, when the
+**                  connection is opened, an OBEX_CONNECT_EVT will come
+**
+*******************************************************************************/
+UINT16 OBEX_CreateConn(tOBEX_SVR_INFO *server, tOBEX_MSG_CBACK callback, UINT16 *out_handle)
+{
+    UINT16 ret = OBEX_SUCCESS;
+    tOBEX_CCB *p_ccb = NULL;
+
+    do {
+        if (server->tl >= OBEX_NUM_TL) {
+            ret = OBEX_INVALID_PARAM;
+            break;
+        }
+
+        p_ccb = obex_allocate_ccb();
+        if (p_ccb == NULL) {
+            ret = OBEX_NO_RESOURCES;
+            break;
+        }
+
+        tOBEX_TL_SVR_INFO tl_server = {0};
+        obex_server_to_tl_server(server, &tl_server);
+        p_ccb->tl = server->tl;
+        p_ccb->tl_hdl = obex_cb.tl_ops[p_ccb->tl]->connect(&tl_server);
+        if (p_ccb->tl_hdl == 0) {
+            ret =  OBEX_ERROR_TL;
+            break;
+        }
+
+        p_ccb->callback = callback;
+        p_ccb->role = OBEX_ROLE_CLIENT;
+        p_ccb->state = OBEX_STATE_OPENING;
+        *out_handle = p_ccb->allocated;
+    } while (0);
+
+    if (ret != OBEX_SUCCESS && p_ccb != NULL) {
+        obex_free_ccb(p_ccb);
+    }
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_RemoveConn
+**
+** Description      Remove an OBEX connection
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_RemoveConn(UINT16 handle)
+{
+    tOBEX_CCB *p_ccb = NULL;
+
+    UINT16 ccb_idx = handle - 1;
+    if (ccb_idx >= OBEX_MAX_CONNECTION || !obex_cb.ccb[ccb_idx].allocated) {
+        return OBEX_BAD_HANDLE;
+    }
+
+    p_ccb = &obex_cb.ccb[ccb_idx];
+    obex_cb.tl_ops[p_ccb->tl]->disconnect(p_ccb->tl_hdl);
+    obex_free_ccb(p_ccb);
+
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_RegisterServer
+**
+** Description      Register an OBEX server and listen the incoming connection
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_RegisterServer(tOBEX_SVR_INFO *server, tOBEX_MSG_CBACK callback, UINT16 *out_svr_handle)
+{
+    UINT8 ret = OBEX_SUCCESS;
+    tOBEX_SCB *p_scb = NULL;
+
+    do {
+        if (server->tl >= OBEX_NUM_TL) {
+            ret = OBEX_INVALID_PARAM;
+            break;
+        }
+
+        p_scb = obex_allocate_scb();
+        if (p_scb == NULL) {
+            ret = OBEX_NO_RESOURCES;
+            break;
+        }
+
+        tOBEX_TL_SVR_INFO tl_server = {0};
+        obex_server_to_tl_server(server, &tl_server);
+        p_scb->tl = server->tl;
+        p_scb->tl_hdl = obex_cb.tl_ops[p_scb->tl]->bind(&tl_server);
+        if (p_scb->tl_hdl == 0) {
+            ret =  OBEX_ERROR_TL;
+            break;
+        }
+        p_scb->callback = callback;
+
+        if (out_svr_handle) {
+            /* To avoid confuse with connection handle, left shift 8 bit */
+            *out_svr_handle = p_scb->allocated << 8;
+        }
+    } while (0);
+
+    if (ret != OBEX_SUCCESS && p_scb != NULL) {
+        obex_free_scb(p_scb);
+    }
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_DeregisterServer
+**
+** Description      Deregister an OBEX server, if there are still a connection
+**                  alive, the behavior depend on the implementation of transport
+**                  layer
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_DeregisterServer(UINT16 svr_handle)
+{
+    tOBEX_SCB *p_scb = NULL;
+
+    UINT16 scb_idx = (svr_handle >> 8) - 1;
+    if (scb_idx >= OBEX_MAX_SERVER || !obex_cb.scb[scb_idx].allocated) {
+        return OBEX_BAD_HANDLE;
+    }
+
+    p_scb = &obex_cb.scb[scb_idx];
+    obex_cb.tl_ops[p_scb->tl]->unbind(p_scb->tl_hdl);
+    obex_free_scb(p_scb);
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_SendPacket
+**
+** Description      Send a packet to peer OBEX server or client, once call
+**                  this function, the ownership of pkt is lost, do not free
+**                  or modify the pkt any more
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_SendPacket(UINT16 handle, BT_HDR *pkt)
+{
+    UINT16 ret = OBEX_SUCCESS;
+    BOOLEAN free_pkt = true;
+    tOBEX_CCB *p_ccb = NULL;
+    do {
+        if (pkt == NULL) {
+            ret = OBEX_INVALID_PARAM;
+            break;
+        }
+
+        UINT16 ccb_idx = handle - 1;
+        if (ccb_idx >= OBEX_MAX_CONNECTION || !obex_cb.ccb[ccb_idx].allocated) {
+            ret = OBEX_BAD_HANDLE;
+            break;
+        }
+
+        p_ccb = &obex_cb.ccb[ccb_idx];
+        if (p_ccb->state != OBEX_STATE_OPENED) {
+            ret = OBEX_NOT_OPEN;
+            break;
+        }
+
+        if (pkt->len > p_ccb->tl_peer_mtu) {
+            ret = OBEX_PACKET_TOO_LARGE;
+            break;
+        }
+
+        ret = obex_cb.tl_ops[p_ccb->tl]->send(p_ccb->tl_hdl, pkt);
+        /* packet has pass to lower layer, do not free it */
+        free_pkt = false;
+        if (ret == OBEX_TL_SUCCESS || ret == OBEX_TL_CONGESTED) {
+            ret = OBEX_SUCCESS;
+        }
+        else {
+            ret = OBEX_ERROR_TL;
+        }
+    } while (0);
+
+    if (free_pkt) {
+        osi_free(pkt);
+    }
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_BuildRequest
+**
+** Description      Build a request packet with opcode and additional info,
+**                  packet can free by osi_free
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_BuildRequest(tOBEX_PARSE_INFO *info, UINT16 buff_size, BT_HDR **out_pkt)
+{
+    if (buff_size < OBEX_MIN_PACKET_SIZE || info == NULL || out_pkt == NULL) {
+        return OBEX_INVALID_PARAM;
+    }
+    buff_size += sizeof(BT_HDR) + OBEX_BT_HDR_MIN_OFFSET + OBEX_BT_HDR_RESERVE_LEN;
+
+    BT_HDR *p_buf= (BT_HDR *)osi_malloc(buff_size);
+    if (p_buf == NULL) {
+        return OBEX_NO_RESOURCES;
+    }
+
+    UINT16 pkt_len = OBEX_MIN_PACKET_SIZE;
+    p_buf->offset = OBEX_BT_HDR_MIN_OFFSET;
+    /* use layer_specific to store the max data length allowed */
+    p_buf->layer_specific = buff_size - sizeof(BT_HDR) - OBEX_BT_HDR_MIN_OFFSET - OBEX_BT_HDR_RESERVE_LEN;
+    UINT8 *p_data = (UINT8 *)(p_buf + 1) + p_buf->offset;
+    /* byte 0: opcode */
+    *p_data++ = info->opcode;
+    /* byte 1, 2: packet length, skip, we will update at last */
+    UINT8 *p_pkt_len = p_data;
+    p_data += 2;
+
+    switch (info->opcode)
+    {
+    case OBEX_OPCODE_CONNECT:
+        /* byte 3: OBEX version number */
+        *p_data++ = info->obex_version_number;
+        /* byte 4: flags */
+        *p_data++ = info->flags;
+        /* byte 5, 6: maximum OBEX packet length, recommend to set as our mtu*/
+        UINT16_TO_BE_FIELD(p_data, info->max_packet_length);
+        pkt_len += 4;
+        break;
+    case OBEX_OPCODE_SETPATH:
+        /* byte 3: flags */
+        *p_data++ = info->flags;
+        /* byte 4: constants, reserved, must be zero */
+        *p_data++ = 0;
+        pkt_len += 2;
+        break;
+    default:
+        break;
+    }
+
+    UINT16_TO_BE_FIELD(p_pkt_len, pkt_len);
+    p_buf->len = pkt_len;
+    *out_pkt = p_buf;
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_BuildResponse
+**
+** Description      Build a response packet with opcode and response and additional
+**                  info, packet can by free by osi_free
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_BuildResponse(tOBEX_PARSE_INFO *info, UINT16 buff_size, BT_HDR **out_pkt)
+{
+    if (buff_size < OBEX_MIN_PACKET_SIZE || info == NULL || out_pkt == NULL) {
+        return OBEX_INVALID_PARAM;
+    }
+    buff_size += sizeof(BT_HDR) + OBEX_BT_HDR_MIN_OFFSET + OBEX_BT_HDR_RESERVE_LEN;
+
+    BT_HDR *p_buf= (BT_HDR *)osi_malloc(buff_size);
+    if (p_buf == NULL) {
+        return OBEX_NO_RESOURCES;
+    }
+
+    UINT16 pkt_len = OBEX_MIN_PACKET_SIZE;
+    p_buf->offset = OBEX_BT_HDR_MIN_OFFSET;
+    /* use layer_specific to store the max data length allowed */
+    p_buf->layer_specific = buff_size - sizeof(BT_HDR) - OBEX_BT_HDR_MIN_OFFSET - OBEX_BT_HDR_RESERVE_LEN;
+    UINT8 *p_data = (UINT8 *)(p_buf + 1) + p_buf->offset;
+    /* byte 0: response code */
+    *p_data++ = info->response_code;
+    /* byte 1, 2: packet length, skip, we will update at last */
+    UINT8 *p_pkt_len = p_data;
+    p_data += 2;
+
+    /* we need to use opcode to decide the response format */
+    switch (info->opcode)
+    {
+    case OBEX_OPCODE_CONNECT:
+        /* byte 3: OBEX version number */
+        *p_data++ = info->obex_version_number;
+        /* byte 4: flags */
+        *p_data++ = info->flags;
+        /* byte 5, 6: maximum OBEX packet length, recommend to set as our mtu */
+        UINT16_TO_BE_FIELD(p_data, info->max_packet_length);
+        pkt_len += 4;
+        break;
+    default:
+        break;
+    }
+
+    UINT16_TO_BE_FIELD(p_pkt_len, pkt_len);
+    p_buf->len = pkt_len;
+    *out_pkt = p_buf;
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_AppendHeader
+**
+** Description      Append a header to specific packet, packet can be request
+**                  or response, the format of header must be valid
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_AppendHeader(BT_HDR *pkt, const UINT8 *header)
+{
+    if (pkt == NULL || header == NULL) {
+        return OBEX_INVALID_PARAM;
+    }
+
+    UINT16 header_len = 0;
+    UINT8 header_id = *header;
+    switch (header_id & OBEX_HEADER_ID_U2B_MASK)
+    {
+    case OBEX_HEADER_ID_U2B_TYPE1:
+    case OBEX_HEADER_ID_U2B_TYPE2:
+        header_len = (header[1] << 8) + header[2];
+        break;
+    case OBEX_HEADER_ID_U2B_TYPE3:
+        header_len = 2;
+        break;
+    case OBEX_HEADER_ID_U2B_TYPE4:
+        header_len = 5;
+        break;
+    default:
+        break;
+    }
+    if (header_len == 0) {
+        return OBEX_INVALID_PARAM;
+    }
+
+    if (pkt->layer_specific - pkt->len < header_len) {
+        /* the packet can not hold this header */
+        return OBEX_NO_RESOURCES;
+    }
+    UINT8 *p_data = (UINT8 *)(pkt + 1) + pkt->offset;
+    UINT8 *p_start = p_data + pkt->len;
+    memcpy(p_start, header, header_len);
+    pkt->len += header_len;
+    /* point to packet len */
+    p_data++;
+    UINT16_TO_BE_FIELD(p_data, pkt->len);
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_AppendHeaderRaw
+**
+** Description      Append a header to specific packet, packet can be request
+**                  or response, data not include 2 byte length prefixed
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_AppendHeaderRaw(BT_HDR *pkt, UINT8 header_id, const UINT8 *data, UINT16 data_len)
+{
+    if (pkt == NULL) {
+        return OBEX_INVALID_PARAM;
+    }
+
+    if ((data == NULL && data_len != 0) || (data != NULL && data_len == 0)) {
+        return OBEX_INVALID_PARAM;
+    }
+
+    UINT16 header_len = 0;
+    BOOLEAN store_header_len = FALSE;
+    switch (header_id & OBEX_HEADER_ID_U2B_MASK)
+    {
+    case OBEX_HEADER_ID_U2B_TYPE1:
+    case OBEX_HEADER_ID_U2B_TYPE2:
+        /* header id + 2 byte length prefixed + data */
+        header_len = data_len + 3;
+        store_header_len = TRUE;
+        break;
+    case OBEX_HEADER_ID_U2B_TYPE3:
+        header_len = 2;
+        if (data_len != 1) {
+            return OBEX_INVALID_PARAM;
+        }
+        break;
+    case OBEX_HEADER_ID_U2B_TYPE4:
+        header_len = 5;
+        if (data_len != 4) {
+            return OBEX_INVALID_PARAM;
+        }
+        break;
+    default:
+        break;
+    }
+    if (header_len == 0) {
+        return OBEX_INVALID_PARAM;
+    }
+
+    if (pkt->layer_specific - pkt->len < header_len) {
+        /* the packet can not hold this header */
+        return OBEX_NO_RESOURCES;
+    }
+    UINT8 *p_data = (UINT8 *)(pkt + 1) + pkt->offset;
+    UINT8 *p_start = p_data + pkt->len;
+    /* store header id */
+    *p_start++ = header_id;
+    if (store_header_len) {
+        /* store header length */
+        UINT16_TO_BE_FIELD(p_start, header_len);
+        p_start+= 2;
+    }
+    if (data != NULL) {
+        /* store data */
+        memcpy(p_start, data, data_len);
+    }
+    pkt->len += header_len;
+    /* point to packet len */
+    p_data++;
+    UINT16_TO_BE_FIELD(p_data, pkt->len);
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_AppendHeaderSRM
+**
+** Description      Append a Single Response Mode header
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_AppendHeaderSRM(BT_HDR *pkt, UINT8 value)
+{
+    return OBEX_AppendHeaderRaw(pkt, OBEX_HEADER_ID_SRM, &value, 1);
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_AppendHeaderSRMP
+**
+** Description      Append a Single Response Mode Parameters header
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_AppendHeaderSRMP(BT_HDR *pkt, UINT8 value)
+{
+    return OBEX_AppendHeaderRaw(pkt, OBEX_HEADER_ID_SRM_PARAM, &value, 1);
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_GetPacketFreeSpace
+**
+** Description      Get the current free space of a packet, use this to check
+**                  if a packet can hold a header
+**
+** Returns          Current free space of a packet, in bytes
+**
+*******************************************************************************/
+UINT16 OBEX_GetPacketFreeSpace(BT_HDR *pkt)
+{
+    if (pkt == NULL) {
+        return 0;
+    }
+    return pkt->layer_specific - pkt->len;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_GetPacketLength
+**
+** Description      Get the current packet length
+**
+** Returns          Current packet length, in bytes
+**
+*******************************************************************************/
+UINT16 OBEX_GetPacketLength(BT_HDR *pkt)
+{
+    if (pkt == NULL) {
+        return 0;
+    }
+    return pkt->len;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_ParseRequest
+**
+** Description      Parse a request packet
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_ParseRequest(BT_HDR *pkt, tOBEX_PARSE_INFO *info)
+{
+    if (pkt == NULL || info == NULL) {
+        return OBEX_INVALID_PARAM;
+    }
+
+    UINT8 *p_data = (UINT8 *)(pkt + 1) + pkt->offset;
+    info->opcode = *p_data;
+    switch (info->opcode)
+    {
+    case OBEX_OPCODE_CONNECT:
+        info->obex_version_number = p_data[3];
+        info->flags = p_data[4];
+        info->max_packet_length = (p_data[5] << 8) + p_data[6];
+        info->next_header_pos = 7;
+        break;
+    case OBEX_OPCODE_SETPATH:
+        info->flags = p_data[3];
+        info->next_header_pos = 5;
+        break;
+    default:
+        info->next_header_pos = 3;
+        break;
+    }
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_ParseResponse
+**
+** Description      Parse a request response packet
+**
+** Returns          OBEX_SUCCESS if successful, otherwise failed
+**
+*******************************************************************************/
+UINT16 OBEX_ParseResponse(BT_HDR *pkt, UINT8 opcode, tOBEX_PARSE_INFO *info)
+{
+    if (pkt == NULL || info == NULL) {
+        return OBEX_INVALID_PARAM;
+    }
+
+    UINT8 *p_data = (UINT8 *)(pkt + 1) + pkt->offset;
+    info->opcode = opcode;
+    info->response_code = *p_data;
+    switch (opcode)
+    {
+    case OBEX_OPCODE_CONNECT:
+        info->obex_version_number = p_data[3];
+        info->flags = p_data[4];
+        info->max_packet_length = (p_data[5] << 8) + p_data[6];
+        info->next_header_pos = 7;
+        break;
+    default:
+        info->next_header_pos = 3;
+        break;
+    }
+    return OBEX_SUCCESS;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_CheckFinalBit
+**
+** Description      Check whether a packet had set the final bit
+**
+** Returns          TRUE if final bit set, otherwise, false
+**
+*******************************************************************************/
+BOOLEAN OBEX_CheckFinalBit(BT_HDR *pkt)
+{
+    if (pkt == NULL) {
+        return FALSE;
+    }
+    UINT8 *p_data = (UINT8 *)(pkt + 1) + pkt->offset;
+    return (*p_data) & OBEX_FINAL_BIT_MASK;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_CheckContinueResponse
+**
+** Description      Check whether a packet is continue response
+**
+** Returns          TRUE if continue response, otherwise, false
+**
+*******************************************************************************/
+BOOLEAN OBEX_CheckContinueResponse(BT_HDR *pkt)
+{
+    if (pkt == NULL) {
+        return FALSE;
+    }
+    UINT8 *p_data = (UINT8 *)(pkt + 1) + pkt->offset;
+    return (*p_data == 0x90) || (*p_data == 0x10);
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_GetHeaderLength
+**
+** Description      Get header length
+**
+** Returns          header length
+**
+*******************************************************************************/
+UINT16 OBEX_GetHeaderLength(UINT8 *header)
+{
+    UINT16 header_len = 0;
+    UINT8 header_id = *header;
+    switch (header_id & OBEX_HEADER_ID_U2B_MASK)
+    {
+    case OBEX_HEADER_ID_U2B_TYPE1:
+    case OBEX_HEADER_ID_U2B_TYPE2:
+        header_len = (header[1] << 8) + header[2];
+        break;
+    case OBEX_HEADER_ID_U2B_TYPE3:
+        header_len = 2;
+        break;
+    case OBEX_HEADER_ID_U2B_TYPE4:
+        header_len = 5;
+        break;
+    default:
+        /* unreachable */
+        break;
+    }
+    return header_len;
+}
+
+/*******************************************************************************
+**
+** Function         OBEX_GetNextHeader
+**
+** Description      Get next header pointer from a packet
+**
+** Returns          Pointer to start address of a header, NULL if no more header
+**                  or failed
+**
+*******************************************************************************/
+UINT8 *OBEX_GetNextHeader(BT_HDR *pkt, tOBEX_PARSE_INFO *info)
+{
+    if (pkt == NULL || info == NULL) {
+        return NULL;
+    }
+    UINT8 *p_data = (UINT8 *)(pkt + 1) + pkt->offset;
+    if (info->next_header_pos == 0 || info->next_header_pos >= pkt->len) {
+        return NULL;
+    }
+    UINT8 *header = p_data + info->next_header_pos;
+    UINT16 header_len = OBEX_GetHeaderLength(header);
+    info->next_header_pos += header_len;
+    return header;
+}
+
+#endif /* #if (OBEX_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/obex/obex_main.c b/lib/bt/host/bluedroid/stack/obex/obex_main.c
new file mode 100644
index 00000000..7810ff3c
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/obex_main.c
@@ -0,0 +1,216 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <string.h>
+
+#include "osi/osi.h"
+#include "osi/allocator.h"
+#include "common/bt_target.h"
+
+#include "stack/obex_api.h"
+#include "obex_int.h"
+#include "obex_tl.h"
+
+#if (OBEX_INCLUDED == TRUE)
+
+#if OBEX_DYNAMIC_MEMORY == FALSE
+tOBEX_CB obex_cb;
+#else
+tOBEX_CB *obex_cb_ptr = NULL;
+#endif
+
+static tOBEX_CCB *obex_find_ccb_by_tl_hdl(UINT8 tl, UINT16 tl_hdl)
+{
+    tOBEX_CCB *p_ccb = NULL;
+    for (int i = 0; i < OBEX_MAX_CONNECTION; ++i) {
+        if (obex_cb.ccb[i].allocated && obex_cb.ccb[i].tl == tl && obex_cb.ccb[i].tl_hdl == tl_hdl) {
+            p_ccb = &obex_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+static tOBEX_SCB *obex_find_scb_by_tl_hdl(UINT8 tl, UINT16 tl_hdl)
+{
+    tOBEX_SCB *p_scb = NULL;
+    for (int i = 0; i < OBEX_MAX_SERVER; ++i) {
+        if (obex_cb.scb[i].allocated && obex_cb.scb[i].tl == tl && obex_cb.scb[i].tl_hdl == tl_hdl) {
+            p_scb = &obex_cb.scb[i];
+            break;
+        }
+    }
+    return p_scb;
+}
+
+tOBEX_CCB *obex_allocate_ccb(void)
+{
+    tOBEX_CCB *p_ccb = NULL;
+    for (int i = 0; i < OBEX_MAX_CONNECTION; ++i) {
+        if (!obex_cb.ccb[i].allocated) {
+            obex_cb.ccb[i].allocated = i + 1;
+            p_ccb = &obex_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+void obex_free_ccb(tOBEX_CCB *p_ccb)
+{
+    assert(p_ccb->allocated != 0);
+    memset(p_ccb, 0, sizeof(tOBEX_CCB));
+}
+
+tOBEX_SCB *obex_allocate_scb(void)
+{
+    tOBEX_SCB *p_scb = NULL;
+    for (int i = 0; i < OBEX_MAX_SERVER; ++i) {
+        if (!obex_cb.scb[i].allocated) {
+            obex_cb.scb[i].allocated = i + 1;
+            p_scb = &obex_cb.scb[i];
+            break;
+        }
+    }
+    return p_scb;
+}
+
+void obex_free_scb(tOBEX_SCB *p_scb)
+{
+    assert(p_scb->allocated != 0);
+    memset(p_scb, 0, sizeof(tOBEX_SCB));
+}
+
+/* check whether connection mtu is valid, if not, disconnect it */
+static bool check_conn_mtu_valid(tOBEX_CCB *p_ccb, BOOLEAN call_cb)
+{
+    if (p_ccb->tl_our_mtu < 255 || p_ccb->tl_peer_mtu < 255) {
+        if (call_cb && p_ccb->callback) {
+            p_ccb->callback(p_ccb->allocated, OBEX_DISCONNECT_EVT, NULL);
+        }
+        OBEX_TRACE_ERROR("Check OBEX transport layer MTU failed, disconnect");
+        obex_cb.tl_ops[p_ccb->tl]->disconnect(p_ccb->tl_hdl);
+        obex_free_ccb(p_ccb);
+        return false;
+    }
+    return true;
+}
+
+void obex_tl_evt_handler(UINT8 tl, tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg)
+{
+    UINT16 tl_hdl = msg->any.hdl;
+    tOBEX_CCB *p_ccb = obex_find_ccb_by_tl_hdl(tl, tl_hdl);
+    tOBEX_SCB *p_scb = NULL;
+    tOBEX_MSG cb_msg = {0};
+
+    switch (evt)
+    {
+    case OBEX_TL_CONN_OPEN_EVT:
+        assert(p_ccb != NULL);
+        p_ccb->tl_peer_mtu = msg->conn_open.peer_mtu;
+        p_ccb->tl_our_mtu = msg->conn_open.our_mtu;
+        if (!check_conn_mtu_valid(p_ccb, TRUE)) {
+            break;
+        }
+        p_ccb->state = OBEX_STATE_OPENED;
+        if (p_ccb->callback) {
+            cb_msg.connect.peer_mtu = msg->conn_open.peer_mtu;
+            cb_msg.connect.our_mtu = msg->conn_open.our_mtu;
+            p_ccb->callback(p_ccb->allocated, OBEX_CONNECT_EVT, &cb_msg);
+        }
+        break;
+    case OBEX_TL_DIS_CONN_EVT:
+        if (p_ccb != NULL) {
+            if (p_ccb->callback) {
+                p_ccb->callback(p_ccb->allocated, OBEX_DISCONNECT_EVT, NULL);
+            }
+            obex_free_ccb(p_ccb);
+        }
+        break;
+    case OBEX_TL_CONGEST_EVT:
+        assert(p_ccb != NULL);
+        if (p_ccb->callback) {
+            p_ccb->callback(p_ccb->allocated, OBEX_CONGEST_EVT, NULL);
+        }
+        break;
+    case OBEX_TL_UNCONGEST_EVT:
+        assert(p_ccb != NULL);
+        if (p_ccb->callback) {
+            p_ccb->callback(p_ccb->allocated, OBEX_UNCONGEST_EVT, NULL);
+        }
+        break;
+    case OBEX_TL_MTU_CHANGE_EVT:
+        assert(p_ccb != NULL);
+        p_ccb->tl_peer_mtu = msg->mtu_chg.peer_mtu;
+        p_ccb->tl_our_mtu = msg->mtu_chg.our_mtu;
+        if (!check_conn_mtu_valid(p_ccb, TRUE)) {
+            break;
+        }
+        if (p_ccb->callback) {
+            cb_msg.mtu_change.peer_mtu = msg->mtu_chg.peer_mtu;
+            cb_msg.mtu_change.our_mtu = msg->mtu_chg.our_mtu;
+            p_ccb->callback(p_ccb->allocated, OBEX_MTU_CHANGE_EVT, &cb_msg);
+        }
+        break;
+    case OBEX_TL_DATA_EVT:
+        assert(p_ccb != NULL);
+        if (p_ccb->callback) {
+            cb_msg.data.pkt = msg->data.p_buf;
+            p_ccb->callback(p_ccb->allocated, OBEX_DATA_EVT, &cb_msg);
+        }
+        else {
+            /* No callback, just free the packet */
+            osi_free(msg->data.p_buf);
+        }
+        break;
+    case OBEX_TL_CONN_INCOME_EVT:
+        /* New connection, p_ccb should be NULL */
+        assert(p_ccb == NULL);
+        p_scb = obex_find_scb_by_tl_hdl(tl, msg->conn_income.svr_hdl);
+        if (p_scb == NULL) {
+            obex_cb.tl_ops[tl]->disconnect(tl_hdl);
+            break;
+        }
+
+        if ((p_ccb = obex_allocate_ccb()) == NULL) {
+            obex_cb.tl_ops[tl]->disconnect(tl_hdl);
+            break;
+        }
+
+        p_ccb->tl = tl;
+        p_ccb->tl_hdl = tl_hdl;
+        p_ccb->role = OBEX_ROLE_SERVER;
+        p_ccb->tl_peer_mtu = msg->conn_income.peer_mtu;
+        p_ccb->tl_our_mtu = msg->conn_income.our_mtu;
+        if (!check_conn_mtu_valid(p_ccb, FALSE)) {
+            break;
+        }
+        p_ccb->state = OBEX_STATE_OPENED;
+        p_ccb->callback = p_scb->callback;
+        if (p_ccb->callback) {
+            cb_msg.conn_income.svr_handle = p_scb->allocated << 8;
+            cb_msg.conn_income.peer_mtu = msg->conn_income.peer_mtu;
+            cb_msg.conn_income.our_mtu = msg->conn_income.our_mtu;
+            p_ccb->callback(p_ccb->allocated, OBEX_CONN_INCOME_EVT, &cb_msg);
+        }
+        break;
+    default:
+        OBEX_TRACE_ERROR("Unknown OBEX transport event: 0x%x\n", evt);
+        break;
+    }
+}
+
+void obex_tl_l2cap_callback(tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg)
+{
+    obex_tl_evt_handler(OBEX_OVER_L2CAP, evt, msg);
+}
+
+void obex_tl_rfcomm_callback(tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg)
+{
+    obex_tl_evt_handler(OBEX_OVER_RFCOMM, evt, msg);
+}
+
+#endif /* #if (OBEX_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/obex/obex_tl_l2cap.c b/lib/bt/host/bluedroid/stack/obex/obex_tl_l2cap.c
new file mode 100644
index 00000000..d509b4cf
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/obex_tl_l2cap.c
@@ -0,0 +1,811 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <string.h>
+
+#include "osi/osi.h"
+#include "osi/allocator.h"
+#include "common/bt_target.h"
+
+#include "stack/l2c_api.h"
+#include "stack/l2cdefs.h"
+#include "stack/btm_api.h"
+#include "btm_int.h"
+#include "obex_tl.h"
+#include "obex_tl_l2cap.h"
+
+#if (OBEX_INCLUDED == TRUE)
+
+#define OBEX_TL_L2CAP_NUM_CONN          4
+#define OBEX_TL_L2CAP_NUM_SERVER        2
+
+#define OBEX_TL_L2CAP_STATUS_FLAG_CFG_DONE          0x01
+#define OBEX_TL_L2CAP_STATUS_FLAG_PEER_CFG_DONE     0x02
+#define OBEX_TL_L2CAP_STATUS_FLAG_CONNECTED         0x80
+
+/* ERTM Tx window size */
+#define OBEX_TL_L2CAP_FCR_OPT_TX_WINDOW_SIZE    10
+
+/* ERTM Maximum transmissions before disconnecting */
+#define OBEX_TL_L2CAP_FCR_OPT_MAX_TX_B4_DISCNT  20
+
+/* ERTM Retransmission timeout (2 secs) */
+#define OBEX_TL_L2CAP_FCR_OPT_RETX_TOUT         2000
+
+/* ERTM Monitor timeout (12 secs) */
+#define OBEX_TL_L2CAP_FCR_OPT_MONITOR_TOUT      12000
+
+/* ERTM ERTM MPS segment size */
+#define OBEX_TL_L2CAP_FCR_OPT_MAX_PDU_SIZE      1010
+
+typedef struct {
+    UINT16      vpsm;               /* psm in our side */
+    UINT16      lcid;               /* local channel id */
+    UINT16      peer_mtu;           /* MTU that peer device set */
+    UINT16      our_mtu;            /* MTU that we set to peer device */
+    BOOLEAN     initiator;          /* TRUE if is initiator, otherwise FALSE */
+    UINT8       id;                 /* remote channel id */
+    UINT8       status_flag;        /* status flag used in config procedure */
+    UINT8       allocated;          /* 0 if not allocated, otherwise, index + 1, equal to handle */
+    BD_ADDR     addr;               /* peer bluetooth device address */
+} tOBEX_TL_L2CAP_CCB;
+
+typedef struct {
+    UINT16      psm;                /* psm in our side */
+    UINT16      pref_mtu;           /* preferred mtu */
+    UINT8       allocated;          /* 0 if not allocated, otherwise, index + 1, handle of server will left shift 8 bits */
+} tOBEX_TL_L2CAP_SCB;
+
+typedef struct {
+    tOBEX_TL_CBACK      *callback;                          /* Upper layer callback */
+    tOBEX_TL_L2CAP_CCB  ccb[OBEX_TL_L2CAP_NUM_CONN];
+    tOBEX_TL_L2CAP_SCB  scb[OBEX_TL_L2CAP_NUM_SERVER];
+    tL2CAP_APPL_INFO    l2cap_reg_info;                     /* Default L2CAP Registration info */
+    UINT8               trace_level;                        /* trace level */
+} tOBEX_TL_L2CAP_CB;
+
+#if OBEX_DYNAMIC_MEMORY == FALSE
+static tOBEX_TL_L2CAP_CB obex_tl_l2cap_cb;
+#else
+static tOBEX_TL_L2CAP_CB *obex_tl_l2cap_cb_ptr = NULL;
+#define obex_tl_l2cap_cb (*obex_tl_l2cap_cb_ptr)
+#endif
+
+static tL2CAP_ERTM_INFO obex_tl_l2cap_etm_opts =
+{
+    L2CAP_FCR_ERTM_MODE,
+    L2CAP_FCR_CHAN_OPT_ERTM | L2CAP_FCR_CHAN_OPT_BASIC,     /* Some devices do not support ERTM */
+    L2CAP_USER_RX_BUF_SIZE,
+    L2CAP_USER_TX_BUF_SIZE,
+    L2CAP_FCR_RX_BUF_SIZE,
+    L2CAP_FCR_TX_BUF_SIZE
+};
+
+static tL2CAP_FCR_OPTS obex_tl_l2cap_fcr_opts =
+{
+    L2CAP_FCR_ERTM_MODE,
+    OBEX_TL_L2CAP_FCR_OPT_TX_WINDOW_SIZE,     /* Tx window size */
+    OBEX_TL_L2CAP_FCR_OPT_MAX_TX_B4_DISCNT,   /* Maximum transmissions before disconnecting */
+    OBEX_TL_L2CAP_FCR_OPT_RETX_TOUT,          /* Retransmission timeout (2 secs) */
+    OBEX_TL_L2CAP_FCR_OPT_MONITOR_TOUT,       /* Monitor timeout (12 secs) */
+    OBEX_TL_L2CAP_FCR_OPT_MAX_PDU_SIZE        /* MPS segment size */
+};
+
+static tOBEX_TL_L2CAP_CCB *allocate_ccb(void)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = NULL;
+    for(int i = 0; i < OBEX_TL_L2CAP_NUM_CONN; ++i) {
+        if (obex_tl_l2cap_cb.ccb[i].allocated == 0) {
+            obex_tl_l2cap_cb.ccb[i].allocated = i + 1;
+            p_ccb = &obex_tl_l2cap_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+static void free_ccb(tOBEX_TL_L2CAP_CCB *p_ccb)
+{
+    memset(p_ccb, 0, sizeof(tOBEX_TL_L2CAP_CCB));
+}
+
+static tOBEX_TL_L2CAP_CCB *find_ccb_by_lcid(UINT16 lcid)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = NULL;
+    for (int i = 0; i < OBEX_TL_L2CAP_NUM_CONN; ++i) {
+        if (obex_tl_l2cap_cb.ccb[i].allocated && obex_tl_l2cap_cb.ccb[i].lcid == lcid) {
+            p_ccb = &obex_tl_l2cap_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+static tOBEX_TL_L2CAP_CCB *find_ccb_by_hdl(UINT16 hdl)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = NULL;
+    if (hdl > 0 && hdl <= OBEX_TL_L2CAP_NUM_CONN) {
+        if (obex_tl_l2cap_cb.ccb[hdl-1].allocated == hdl) {
+            p_ccb = &obex_tl_l2cap_cb.ccb[hdl-1];
+        }
+    }
+    return p_ccb;
+}
+
+static tOBEX_TL_L2CAP_CCB *find_ccb_by_psm(UINT16 psm)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = NULL;
+    for(int i = 0; i < OBEX_TL_L2CAP_NUM_CONN; ++i) {
+        if (obex_tl_l2cap_cb.ccb[i].allocated && obex_tl_l2cap_cb.ccb[i].vpsm == psm) {
+            p_ccb = &obex_tl_l2cap_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+static tOBEX_TL_L2CAP_SCB *allocate_scb(void)
+{
+    tOBEX_TL_L2CAP_SCB *p_scb = NULL;
+    for(int i = 0; i < OBEX_TL_L2CAP_NUM_SERVER; ++i) {
+        if (obex_tl_l2cap_cb.scb[i].allocated == 0) {
+            obex_tl_l2cap_cb.scb[i].allocated = i + 1;
+            p_scb = &obex_tl_l2cap_cb.scb[i];
+            break;
+        }
+    }
+    return p_scb;
+}
+
+static tOBEX_TL_L2CAP_SCB *find_scb_by_psm(UINT16 psm)
+{
+    tOBEX_TL_L2CAP_SCB *p_scb = NULL;
+    for(int i = 0; i < OBEX_TL_L2CAP_NUM_SERVER; ++i) {
+        if (obex_tl_l2cap_cb.scb[i].allocated && obex_tl_l2cap_cb.scb[i].psm == psm) {
+            p_scb = &obex_tl_l2cap_cb.scb[i];
+            break;
+        }
+    }
+    return p_scb;
+}
+
+static void free_scb(tOBEX_TL_L2CAP_SCB *p_scb)
+{
+    memset(p_scb, 0, sizeof(tOBEX_TL_L2CAP_SCB));
+}
+
+static tOBEX_TL_L2CAP_SCB *find_scb_by_hdl(UINT16 hdl)
+{
+    tOBEX_TL_L2CAP_SCB *p_scb = NULL;
+    hdl = hdl >> 8;
+    if (hdl > 0 && hdl <= OBEX_TL_L2CAP_NUM_SERVER) {
+        if (obex_tl_l2cap_cb.scb[hdl-1].allocated == hdl) {
+            p_scb = &obex_tl_l2cap_cb.scb[hdl-1];
+        }
+    }
+    return p_scb;
+}
+
+/*******************************************************************************
+ *
+ * Function         obex_tl_l2cap_sec_check_complete_term
+ *
+ * Description      OBEX over L2CAP security check complete callback function
+ *                  (terminated).
+ *
+ ******************************************************************************/
+static void l2cap_sec_check_complete_term(BD_ADDR bd_addr, tBT_TRANSPORT transport, void *p_ref_data, UINT8 res)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = (tOBEX_TL_L2CAP_CCB *)p_ref_data;
+
+    if (res == BTM_SUCCESS) {
+        L2CA_ErtmConnectRsp(p_ccb->addr, p_ccb->id, p_ccb->lcid, L2CAP_CONN_OK, 0, &obex_tl_l2cap_etm_opts);
+        tL2CAP_CFG_INFO cfg = {0};
+        cfg.mtu_present = TRUE;
+        cfg.mtu = p_ccb->our_mtu;
+        cfg.fcr_present = TRUE;
+        cfg.fcr = obex_tl_l2cap_fcr_opts;
+        L2CA_ConfigReq(p_ccb->lcid, &cfg);
+    }
+    else{
+        L2CA_ErtmConnectRsp(p_ccb->addr, p_ccb->id, p_ccb->lcid, L2CAP_CONN_SECURITY_BLOCK, 0, &obex_tl_l2cap_etm_opts);
+        tOBEX_TL_MSG msg = {0};
+        msg.any.hdl = p_ccb->allocated;
+        obex_tl_l2cap_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+        free_ccb(p_ccb);
+    }
+}
+
+/*******************************************************************************
+ *
+ * Function         obex_tl_l2cap_sec_check_complete_orig
+ *
+ * Description      OBEX over L2CAP security check complete callback function
+ *                  (originated).
+ *
+ ******************************************************************************/
+static void l2cap_sec_check_complete_orig(BD_ADDR bd_addr, tBT_TRANSPORT transport, void *p_ref_data, UINT8 res)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = (tOBEX_TL_L2CAP_CCB *)p_ref_data;
+
+    if (res == BTM_SUCCESS) {
+        tL2CAP_CFG_INFO cfg = {0};
+        cfg.mtu_present = TRUE;
+        cfg.mtu = p_ccb->our_mtu;
+        cfg.fcr_present = TRUE;
+        cfg.fcr = obex_tl_l2cap_fcr_opts;
+        L2CA_ConfigReq(p_ccb->lcid, &cfg);
+    } else {
+        L2CA_DisconnectReq(p_ccb->lcid);
+        tOBEX_TL_MSG msg = {0};
+        msg.any.hdl = p_ccb->allocated;
+        obex_tl_l2cap_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+        free_ccb(p_ccb);
+    }
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_connect_ind
+**
+** Description      This is a callback function called by L2CAP when
+**                  L2CA_ConnectInd received.
+**
+*******************************************************************************/
+void obex_tl_l2cap_connect_ind(BD_ADDR addr, UINT16 lcid, UINT16 psm, UINT8 id)
+{
+    tOBEX_TL_L2CAP_SCB *p_scb = find_scb_by_psm(psm);
+    if (p_scb == NULL) {
+        /* An incoming connection, but no corresponding server found, reject */
+        L2CA_ErtmConnectRsp (addr, id, lcid, L2CAP_CONN_NO_PSM, 0, &obex_tl_l2cap_etm_opts);
+        OBEX_TL_L2CAP_TRACE_WARNING("No corresponding server found, reject incoming connection\n");
+        return;
+    }
+
+    tOBEX_TL_L2CAP_CCB *p_ccb = allocate_ccb();
+    if (p_ccb == NULL) {
+        /* No resource, can not allocate ccb, reject */
+        L2CA_ErtmConnectRsp (addr, id, lcid, L2CAP_CONN_NO_RESOURCES, 0, &obex_tl_l2cap_etm_opts);
+        OBEX_TL_L2CAP_TRACE_WARNING("Can not allocate a ccb for new connection\n");
+        return;
+    }
+
+    bdcpy(p_ccb->addr, addr);
+    p_ccb->initiator = FALSE;
+    p_ccb->lcid = lcid;
+    p_ccb->id = id;
+    p_ccb->vpsm = psm;
+    p_ccb->our_mtu = p_scb->pref_mtu;
+    if (btm_sec_mx_access_request(p_ccb->addr, p_ccb->vpsm,
+                              FALSE, BTM_SEC_PROTO_OBEX,
+                              OBEX_TL_L2CAP_NUM_CONN + p_scb->allocated - 1,
+                              &l2cap_sec_check_complete_term, p_ccb) == BTM_CMD_STARTED) {
+        L2CA_ErtmConnectRsp(addr, id, lcid, L2CAP_CONN_PENDING, 0, &obex_tl_l2cap_etm_opts);
+    }
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_connect_cfm
+**
+** Description      This is a callback function called by L2CAP when
+**                  ConnectCfm received.
+**
+*******************************************************************************/
+void obex_tl_l2cap_connect_cfm(UINT16 lcid, UINT16 result)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_lcid(lcid);
+    if (p_ccb == NULL) {
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_connect_cfm but no ccb found\n");
+        return;
+    }
+
+    if (result == L2CAP_CONN_OK) {
+        btm_sec_mx_access_request(p_ccb->addr, p_ccb->vpsm,
+                                  TRUE, BTM_SEC_PROTO_OBEX,
+                                  p_ccb->allocated - 1,
+                                  &l2cap_sec_check_complete_orig, p_ccb);
+    } else {
+        OBEX_TL_L2CAP_TRACE_WARNING("l2cap_connect_cfm result != L2CAP_CONN_OK: result: 0x%x\n", result);
+        tOBEX_TL_MSG msg = {0};
+        msg.any.hdl = p_ccb->allocated;
+        obex_tl_l2cap_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+        free_ccb(p_ccb);
+    }
+}
+
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_config_ind
+**
+** Description      This is a callback function called by L2CAP when
+**                  L2CA_ConfigInd received.
+**
+*******************************************************************************/
+void  obex_tl_l2cap_config_ind(UINT16 lcid, tL2CAP_CFG_INFO *p_cfg)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_lcid(lcid);
+    if (p_ccb == NULL) {
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_config_ind but no ccb found\n");
+        return;
+    }
+
+    tOBEX_TL_L2CAP_SCB *p_scb = find_scb_by_psm(p_ccb->vpsm);
+    if (p_ccb->initiator == FALSE && p_scb == NULL) {
+        /* not a initiator, but can not find corresponding server */
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_config_ind, not a initiator, but can not find corresponding server\n");
+        return;
+    }
+
+    /* save peer mtu if present */
+    UINT16 peer_mtu = L2CAP_DEFAULT_MTU;
+    if (p_cfg->mtu_present) {
+        peer_mtu = p_cfg->mtu;
+    }
+
+    p_cfg->mtu_present      = FALSE;
+    p_cfg->flush_to_present = FALSE;
+    p_cfg->qos_present      = FALSE;
+    p_cfg->result = L2CAP_CFG_OK;
+    L2CA_ConfigRsp(p_ccb->lcid, p_cfg);
+
+    if (p_ccb->status_flag & OBEX_TL_L2CAP_STATUS_FLAG_CONNECTED) {
+        /* reconfig l2cap channel */
+        if (p_ccb->peer_mtu != peer_mtu) {
+            /* only report to upper if mtu change */
+            p_ccb->peer_mtu = peer_mtu;
+            tOBEX_TL_MSG msg = {0};
+            msg.mtu_chg.hdl = p_ccb->allocated;
+            msg.mtu_chg.peer_mtu = peer_mtu;
+            msg.mtu_chg.our_mtu = p_ccb->our_mtu;
+            obex_tl_l2cap_cb.callback(OBEX_TL_MTU_CHANGE_EVT, &msg);
+        }
+        return;
+    }
+
+    p_ccb->peer_mtu = peer_mtu;
+    p_ccb->status_flag |= OBEX_TL_L2CAP_STATUS_FLAG_PEER_CFG_DONE;
+    if (p_ccb->status_flag & OBEX_TL_L2CAP_STATUS_FLAG_CFG_DONE) {
+        p_ccb->status_flag |= OBEX_TL_L2CAP_STATUS_FLAG_CONNECTED;
+    }
+
+    if ((p_ccb->status_flag & OBEX_TL_L2CAP_STATUS_FLAG_CONNECTED)) {
+        tOBEX_TL_MSG msg = {0};
+        if (p_ccb->initiator) {
+            msg.conn_open.hdl = p_ccb->allocated;
+            msg.conn_open.peer_mtu = p_ccb->peer_mtu;
+            msg.conn_open.our_mtu = p_ccb->our_mtu;
+            obex_tl_l2cap_cb.callback(OBEX_TL_CONN_OPEN_EVT, &msg);
+        }
+        else {
+            msg.conn_income.hdl = p_ccb->allocated;
+            msg.conn_income.peer_mtu = p_ccb->peer_mtu;
+            msg.conn_income.our_mtu = p_ccb->our_mtu;
+            msg.conn_income.svr_hdl = p_scb->allocated << 8;
+            obex_tl_l2cap_cb.callback(OBEX_TL_CONN_INCOME_EVT, &msg);
+        }
+    }
+}
+
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_config_cfm
+**
+** Description      This is a callback function called by L2CAP when
+**                  L2CA_ConfigCnf received.
+**
+*******************************************************************************/
+void obex_tl_l2cap_config_cfm(UINT16 lcid, tL2CAP_CFG_INFO *p_cfg)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_lcid(lcid);
+    if (p_ccb == NULL) {
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_config_cfm but no ccb found\n");
+        return;
+    }
+
+    tOBEX_TL_L2CAP_SCB *p_scb = find_scb_by_psm(p_ccb->vpsm);
+    if (p_ccb->initiator == FALSE && p_scb == NULL) {
+        /* not a initiator, but can not find corresponding server */
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_config_cfm, not a initiator, but can not find corresponding server\n");
+        return;
+    }
+
+    if (p_cfg->result != L2CAP_CFG_OK) {
+        OBEX_TL_L2CAP_TRACE_WARNING("l2cap_config_cfm result != L2CAP_CFG_OK: result: 0x%x\n", p_cfg->result);
+        L2CA_DisconnectReq(p_ccb->lcid);
+        tOBEX_TL_MSG msg = {0};
+        msg.any.hdl = p_ccb->allocated;
+        obex_tl_l2cap_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+        free_ccb(p_ccb);
+        return;
+    }
+
+    p_ccb->status_flag |= OBEX_TL_L2CAP_STATUS_FLAG_CFG_DONE;
+    if (p_ccb->status_flag & OBEX_TL_L2CAP_STATUS_FLAG_PEER_CFG_DONE) {
+        p_ccb->status_flag |= OBEX_TL_L2CAP_STATUS_FLAG_CONNECTED;
+    }
+
+    if (p_ccb->status_flag & OBEX_TL_L2CAP_STATUS_FLAG_CONNECTED) {
+        tOBEX_TL_MSG msg = {0};
+        if (p_ccb->initiator) {
+            msg.conn_open.hdl = p_ccb->allocated;
+            msg.conn_open.peer_mtu = p_ccb->peer_mtu;
+            msg.conn_open.our_mtu = p_ccb->our_mtu;
+            obex_tl_l2cap_cb.callback(OBEX_TL_CONN_OPEN_EVT, &msg);
+        }
+        else {
+            msg.conn_income.hdl = p_ccb->allocated;
+            msg.conn_income.peer_mtu = p_ccb->peer_mtu;
+            msg.conn_income.our_mtu = p_ccb->our_mtu;
+            msg.conn_income.svr_hdl = p_scb->allocated << 8;
+            obex_tl_l2cap_cb.callback(OBEX_TL_CONN_INCOME_EVT, &msg);
+        }
+    }
+}
+
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_qos_violation_ind
+**
+** Description      This is a callback function called by L2CAP when
+**                  L2CA_QoSViolationIndInd received.
+**
+*******************************************************************************/
+void obex_tl_l2cap_qos_violation_ind(BD_ADDR addr)
+{
+    UNUSED(addr);
+}
+
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_disconnect_ind
+**
+** Description      This is a callback function called by L2CAP when
+**                  L2CA_DisconnectInd received.
+**
+*******************************************************************************/
+void obex_tl_l2cap_disconnect_ind(UINT16 lcid, BOOLEAN is_conf_needed)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_lcid(lcid);
+
+    if (is_conf_needed) {
+        L2CA_DisconnectRsp(lcid);
+    }
+
+    if (p_ccb == NULL) {
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_disconnect_ind but no ccb found\n");
+        return;
+    }
+
+    if (p_ccb->initiator && find_scb_by_psm(p_ccb->vpsm) == NULL) {
+        L2CA_Deregister(p_ccb->vpsm);
+    }
+
+    tOBEX_TL_MSG msg = {0};
+    msg.any.hdl = p_ccb->allocated;
+    obex_tl_l2cap_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+    free_ccb(p_ccb);
+}
+
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_buf_data_ind
+**
+** Description      This is a callback function called by L2CAP when
+**                  data frame is received.
+**
+*******************************************************************************/
+void obex_tl_l2cap_buf_data_ind(UINT16 lcid, BT_HDR *p_buf)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_lcid(lcid);
+    if (p_ccb == NULL) {
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_buf_data_ind but no ccb found\n");
+        osi_free(p_buf);
+        return;
+    }
+
+    tOBEX_TL_MSG msg = {0};
+    msg.data.hdl = p_ccb->allocated;
+    msg.data.p_buf = p_buf;
+    obex_tl_l2cap_cb.callback(OBEX_TL_DATA_EVT, &msg);
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_congestion_status_ind
+**
+** Description      This is a callback function called by L2CAP when
+**                  L2CAP channel congestion status changes
+**
+*******************************************************************************/
+void obex_tl_l2cap_congestion_status_ind(UINT16 lcid, BOOLEAN is_congested)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_lcid(lcid);
+
+    if (p_ccb == NULL) {
+        OBEX_TL_L2CAP_TRACE_ERROR("l2cap_congestion_status_ind but no ccb found\n");
+        return;
+    }
+
+    tOBEX_TL_MSG msg = {0};
+    msg.any.hdl = p_ccb->allocated;
+    if (is_congested) {
+        obex_tl_l2cap_cb.callback(OBEX_TL_CONGEST_EVT, &msg);
+    }
+    else {
+        obex_tl_l2cap_cb.callback(OBEX_TL_UNCONGEST_EVT, &msg);
+    }
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_init
+**
+** Description      Initialize OBEX over L2CAP transport layer, callback
+**                  can not be NULL, must be called once before using any
+**                  other APIs
+**
+*******************************************************************************/
+void obex_tl_l2cap_init(tOBEX_TL_CBACK callback)
+{
+    assert(callback != NULL);
+#if (OBEX_DYNAMIC_MEMORY)
+    if (!obex_tl_l2cap_cb_ptr) {
+        obex_tl_l2cap_cb_ptr = (tOBEX_TL_L2CAP_CB *)osi_malloc(sizeof(tOBEX_TL_L2CAP_CB));
+        if (!obex_tl_l2cap_cb_ptr) {
+            OBEX_TL_L2CAP_TRACE_ERROR("OBEX over L2CAP transport layer initialize failed, no memory\n");
+            assert(0);
+        }
+    }
+#endif /* #if (OBEX_DYNAMIC_MEMORY) */
+    memset(&obex_tl_l2cap_cb, 0, sizeof(tOBEX_TL_L2CAP_CB));
+    obex_tl_l2cap_cb.callback = callback;
+    obex_tl_l2cap_cb.trace_level = BT_TRACE_LEVEL_ERROR;
+
+    tL2CAP_APPL_INFO *p_reg_info = &obex_tl_l2cap_cb.l2cap_reg_info;
+
+    p_reg_info->pL2CA_ConnectInd_Cb         = NULL;         /* obex_tl_l2cap_connect_ind or NULL, depend on server or not */
+    p_reg_info->pL2CA_ConnectCfm_Cb         = obex_tl_l2cap_connect_cfm;
+    p_reg_info->pL2CA_ConnectPnd_Cb         = NULL;
+    p_reg_info->pL2CA_ConfigInd_Cb          = obex_tl_l2cap_config_ind;
+    p_reg_info->pL2CA_ConfigCfm_Cb          = obex_tl_l2cap_config_cfm;
+    p_reg_info->pL2CA_DisconnectInd_Cb      = obex_tl_l2cap_disconnect_ind;
+    p_reg_info->pL2CA_DisconnectCfm_Cb      = NULL;
+    p_reg_info->pL2CA_QoSViolationInd_Cb    = obex_tl_l2cap_qos_violation_ind;
+    p_reg_info->pL2CA_DataInd_Cb            = obex_tl_l2cap_buf_data_ind;
+    p_reg_info->pL2CA_CongestionStatus_Cb   = obex_tl_l2cap_congestion_status_ind;
+    p_reg_info->pL2CA_TxComplete_Cb         = NULL;
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_init
+**
+** Description      Deinitialize OBEX over L2CAP transport layer
+**
+*******************************************************************************/
+void obex_tl_l2cap_deinit(void)
+{
+#if (OBEX_DYNAMIC_MEMORY)
+    if (obex_tl_l2cap_cb_ptr) {
+        osi_free(obex_tl_l2cap_cb_ptr);
+        obex_tl_l2cap_cb_ptr = NULL;
+    }
+#endif /* #if (OBEX_DYNAMIC_MEMORY) */
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_connect
+**
+** Description      Start the process of establishing a L2CAP connection
+**
+** Returns          Non-zeros handle, 0 while failed
+**
+*******************************************************************************/
+UINT16 obex_tl_l2cap_connect(tOBEX_TL_SVR_INFO *server)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = allocate_ccb();
+    if (p_ccb == NULL) {
+        /* can not allocate a ccb */
+        return 0;
+    }
+
+    if (find_scb_by_psm(server->l2cap.psm) == NULL) {
+        /* if the psm not register by a server, we register it as outgoing only record */
+        tL2CAP_APPL_INFO *p_reg_info = &obex_tl_l2cap_cb.l2cap_reg_info;
+        p_reg_info->pL2CA_ConnectInd_Cb = NULL;
+        p_ccb->vpsm = L2CA_Register(server->l2cap.psm, p_reg_info);
+        if (p_ccb->vpsm == 0) {
+            free_ccb(p_ccb);
+            return 0;
+        }
+        /* set security level */
+        BTM_SetSecurityLevel(TRUE, "", BTM_SEC_SERVICE_OBEX, server->l2cap.sec_mask, p_ccb->vpsm, BTM_SEC_PROTO_OBEX, p_ccb->allocated - 1);
+    }
+    else {
+        p_ccb->vpsm = server->l2cap.psm;
+    }
+
+    if (server->l2cap.pref_mtu == 0 || server->l2cap.pref_mtu > L2CAP_MTU_SIZE) {
+        p_ccb->our_mtu = L2CAP_MTU_SIZE;
+    }
+    else {
+        p_ccb->our_mtu = server->l2cap.pref_mtu;
+    }
+    p_ccb->initiator = TRUE;
+    p_ccb->lcid = L2CA_ErtmConnectReq(p_ccb->vpsm, server->l2cap.addr, &obex_tl_l2cap_etm_opts);
+    if (p_ccb->lcid == 0) {
+        free_ccb(p_ccb);
+        return 0;
+    }
+
+    return p_ccb->allocated;
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_disconnect
+**
+** Description      Disconnect a L2CAP connection
+**
+*******************************************************************************/
+void obex_tl_l2cap_disconnect(UINT16 hdl)
+{
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_hdl(hdl);
+    if (p_ccb != NULL) {
+        L2CA_DisconnectReq(p_ccb->lcid);
+        if (p_ccb->initiator && find_scb_by_psm(p_ccb->vpsm) == NULL) {
+            L2CA_Deregister(p_ccb->vpsm);
+        }
+        free_ccb(p_ccb);
+    }
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_send_data
+**
+** Description      Start the process of establishing a L2CAP connection
+**
+** Returns          OBEX_TL_SUCCESS, if data accepted
+**                  OBEX_TL_CONGESTED, if data accepted and the channel is congested
+**                  OBEX_TL_FAILED, if error
+**
+*******************************************************************************/
+UINT16 obex_tl_l2cap_send_data(UINT16 hdl, BT_HDR *p_buf)
+{
+    UINT16 ret = OBEX_TL_FAILED;
+    tOBEX_TL_L2CAP_CCB *p_ccb = find_ccb_by_hdl(hdl);
+    if (p_ccb == NULL) {
+        osi_free(p_buf);
+        return ret;
+    }
+
+    /* Can not send data size larger than peer MTU */
+    /* Offset should not smaller than L2CAP_MIN_OFFSET */
+    if (p_buf->len > p_ccb->peer_mtu || p_buf->offset < L2CAP_MIN_OFFSET) {
+        osi_free(p_buf);
+        return ret;
+    }
+
+    UINT16 status = L2CA_DataWrite(p_ccb->lcid, p_buf);
+    switch (status)
+    {
+    case L2CAP_DW_SUCCESS:
+        ret = OBEX_TL_SUCCESS;
+        break;
+    case L2CAP_DW_CONGESTED:
+        ret = OBEX_TL_CONGESTED;
+        break;
+    default:
+        ret = OBEX_TL_FAILED;
+        break;
+    }
+    return ret;
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_bind
+**
+** Description      Register a server in L2CAP module
+**
+** Returns          Non-zeros handle, 0 while failed
+**
+*******************************************************************************/
+UINT16 obex_tl_l2cap_bind(tOBEX_TL_SVR_INFO *server)
+{
+    tOBEX_TL_L2CAP_SCB *p_scb = find_scb_by_psm(server->l2cap.psm);
+
+    if (p_scb != NULL) {
+        /* psm already used */
+        return 0;
+    }
+
+    p_scb = allocate_scb();
+    if (p_scb == NULL) {
+        /* can not allocate a new scb */
+        return 0;
+    }
+
+    if (server->l2cap.pref_mtu == 0 || server->l2cap.pref_mtu > L2CAP_MTU_SIZE) {
+        p_scb->pref_mtu= L2CAP_MTU_SIZE;
+    }
+    else {
+        p_scb->pref_mtu = server->l2cap.pref_mtu;
+    }
+
+    tL2CAP_APPL_INFO *p_reg_info = &obex_tl_l2cap_cb.l2cap_reg_info;
+    p_reg_info->pL2CA_ConnectInd_Cb = obex_tl_l2cap_connect_ind;
+    /* Register a l2cap server, in this case, L2CA_Register always return the same psm as input */
+    p_scb->psm = L2CA_Register(server->l2cap.psm, p_reg_info);
+    if (p_scb->psm == 0) {
+        free_scb(p_scb);
+        return 0;
+    }
+    /* set security level */
+    BTM_SetSecurityLevel(TRUE, "", BTM_SEC_SERVICE_OBEX, server->l2cap.sec_mask, p_scb->psm, BTM_SEC_PROTO_OBEX, OBEX_TL_L2CAP_NUM_CONN + p_scb->allocated - 1);
+    BTM_SetSecurityLevel(FALSE, "", BTM_SEC_SERVICE_OBEX, server->l2cap.sec_mask, p_scb->psm, BTM_SEC_PROTO_OBEX, OBEX_TL_L2CAP_NUM_CONN + p_scb->allocated - 1);
+    /* left shift 8 bits to avoid confuse with connection handle */
+    return p_scb->allocated << 8;
+}
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_unbind
+**
+** Description      Deregister a server in L2CAP module
+**
+*******************************************************************************/
+void obex_tl_l2cap_unbind(UINT16 tl_hdl)
+{
+    tOBEX_TL_L2CAP_SCB *p_scb = find_scb_by_hdl(tl_hdl);
+    if (p_scb) {
+        tOBEX_TL_L2CAP_CCB *p_ccb = NULL;
+        while ((p_ccb = find_ccb_by_psm(p_scb->psm)) != NULL) {
+            L2CA_DisconnectReq(p_ccb->lcid);
+            tOBEX_TL_MSG msg = {0};
+            msg.any.hdl = p_ccb->allocated;
+            obex_tl_l2cap_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+            free_ccb(p_ccb);
+        }
+        L2CA_Deregister(p_scb->psm);
+        free_scb(p_scb);
+    }
+}
+
+static tOBEX_TL_OPS obex_tl_l2cap_ops = {
+    .init = obex_tl_l2cap_init,
+    .deinit = obex_tl_l2cap_deinit,
+    .connect = obex_tl_l2cap_connect,
+    .disconnect = obex_tl_l2cap_disconnect,
+    .bind = obex_tl_l2cap_bind,
+    .unbind = obex_tl_l2cap_unbind,
+    .send = obex_tl_l2cap_send_data
+};
+
+/*******************************************************************************
+**
+** Function         obex_tl_l2cap_ops_get
+**
+** Description      Get the operation function structure pointer of OBEX over
+**                  L2CAP transport layer
+**
+** Returns          Pointer to operation function structure
+**
+*******************************************************************************/
+tOBEX_TL_OPS *obex_tl_l2cap_ops_get(void)
+{
+    return &obex_tl_l2cap_ops;
+}
+
+#endif /* #if (OBEX_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/obex/obex_tl_rfcomm.c b/lib/bt/host/bluedroid/stack/obex/obex_tl_rfcomm.c
new file mode 100644
index 00000000..ce7799c8
--- /dev/null
+++ b/lib/bt/host/bluedroid/stack/obex/obex_tl_rfcomm.c
@@ -0,0 +1,439 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <string.h>
+
+#include "osi/osi.h"
+#include "osi/allocator.h"
+#include "common/bt_target.h"
+
+#include "stack/port_api.h"
+#include "stack/btm_api.h"
+#include "stack/sdpdefs.h"
+#include "obex_tl.h"
+#include "obex_tl_rfcomm.h"
+
+#if (OBEX_INCLUDED == TRUE && RFCOMM_INCLUDED == TRUE)
+
+#define OBEX_TL_RFCOMM_NUM_CONN         4
+#define OBEX_TL_RFCOMM_NUM_SERVER       2
+
+#define OBEX_TL_RFCOMM_EVENT_MARK       (PORT_EV_FC | PORT_EV_FCS)
+
+typedef struct {
+    UINT16      rfc_handle;         /* rfcomm handle */
+    UINT16      mtu;                /* rfcomm mtu */
+    BOOLEAN     initiator;          /* TRUE if is initiator, otherwise FALSE */
+    UINT8       scn;                /* service channel number */
+    BD_ADDR     addr;               /* peer bluetooth device address */
+    UINT8       allocated;          /* 0 if not allocated, otherwise, index + 1, equal to handle */
+} tOBEX_TL_RFCOMM_CCB;
+
+typedef struct {
+    UINT16      rfc_handle;         /* rfcomm handle */
+    UINT8       scn;                /* service channel number */
+    UINT8       allocated;          /* 0 if not allocated, otherwise, index + 1, handle of server will left shift 8 bits */
+} tOBEX_TL_RFCOMM_SCB;
+
+typedef struct {
+    tOBEX_TL_CBACK      *callback;                          /* Upper layer callback */
+    tOBEX_TL_RFCOMM_CCB  ccb[OBEX_TL_RFCOMM_NUM_CONN];
+    tOBEX_TL_RFCOMM_SCB  scb[OBEX_TL_RFCOMM_NUM_SERVER];
+    UINT8               trace_level;                        /* trace level */
+} tOBEX_TL_RFCOMM_CB;
+
+#if OBEX_DYNAMIC_MEMORY == FALSE
+static tOBEX_TL_RFCOMM_CB obex_tl_rfcomm_cb;
+#else
+static tOBEX_TL_RFCOMM_CB *obex_tl_rfcomm_cb_ptr = NULL;
+#define obex_tl_rfcomm_cb (*obex_tl_rfcomm_cb_ptr)
+#endif
+
+static tOBEX_TL_RFCOMM_CCB *allocate_ccb(void)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = NULL;
+    for(int i = 0; i < OBEX_TL_RFCOMM_NUM_CONN; ++i) {
+        if (obex_tl_rfcomm_cb.ccb[i].allocated == 0) {
+            obex_tl_rfcomm_cb.ccb[i].allocated = i + 1;
+            p_ccb = &obex_tl_rfcomm_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+static tOBEX_TL_RFCOMM_SCB *allocate_scb(void)
+{
+    tOBEX_TL_RFCOMM_SCB *p_scb = NULL;
+    for(int i = 0; i < OBEX_TL_RFCOMM_NUM_SERVER; ++i) {
+        if (obex_tl_rfcomm_cb.scb[i].allocated == 0) {
+            obex_tl_rfcomm_cb.scb[i].allocated = i + 1;
+            p_scb = &obex_tl_rfcomm_cb.scb[i];
+            break;
+        }
+    }
+    return p_scb;
+}
+
+static void free_ccb(tOBEX_TL_RFCOMM_CCB *p_ccb)
+{
+    memset(p_ccb, 0, sizeof(tOBEX_TL_RFCOMM_CCB));
+}
+
+static void free_scb(tOBEX_TL_RFCOMM_SCB *p_scb)
+{
+    memset(p_scb, 0, sizeof(tOBEX_TL_RFCOMM_SCB));
+}
+
+static tOBEX_TL_RFCOMM_CCB *find_ccb_by_handle(UINT16 handle)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = NULL;
+    if (handle > 0 && handle <= OBEX_TL_RFCOMM_NUM_CONN) {
+        if (obex_tl_rfcomm_cb.ccb[handle-1].allocated == handle) {
+            p_ccb = &obex_tl_rfcomm_cb.ccb[handle-1];
+        }
+    }
+    return p_ccb;
+}
+
+static tOBEX_TL_RFCOMM_CCB *find_ccb_by_rfc_handle(UINT16 rfc_handle)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = NULL;
+    for(int i = 0; i < OBEX_TL_RFCOMM_NUM_CONN; ++i) {
+        if (obex_tl_rfcomm_cb.ccb[i].allocated && obex_tl_rfcomm_cb.ccb[i].rfc_handle == rfc_handle) {
+            p_ccb = &obex_tl_rfcomm_cb.ccb[i];
+            break;
+        }
+    }
+    return p_ccb;
+}
+
+static tOBEX_TL_RFCOMM_SCB *find_scb_by_handle(UINT16 handle)
+{
+    tOBEX_TL_RFCOMM_SCB *p_scb = NULL;
+    handle = handle >> 8;
+    if (handle > 0 && handle <= OBEX_TL_RFCOMM_NUM_SERVER) {
+        if (obex_tl_rfcomm_cb.scb[handle-1].allocated == handle) {
+            p_scb = &obex_tl_rfcomm_cb.scb[handle-1];
+        }
+    }
+    return p_scb;
+}
+
+static tOBEX_TL_RFCOMM_SCB *find_scb_by_rfc_handle(UINT16 rfc_handle)
+{
+    tOBEX_TL_RFCOMM_SCB *p_scb = NULL;
+    for(int i = 0; i < OBEX_TL_RFCOMM_NUM_SERVER; ++i) {
+        if (obex_tl_rfcomm_cb.scb[i].allocated && obex_tl_rfcomm_cb.scb[i].rfc_handle == rfc_handle) {
+            p_scb = &obex_tl_rfcomm_cb.scb[i];
+            break;
+        }
+    }
+    return p_scb;
+}
+
+static tOBEX_TL_RFCOMM_SCB *find_scb_by_scn(UINT16 scn)
+{
+    tOBEX_TL_RFCOMM_SCB *p_scb = NULL;
+    for(int i = 0; i < OBEX_TL_RFCOMM_NUM_SERVER; ++i) {
+        if (obex_tl_rfcomm_cb.scb[i].allocated && obex_tl_rfcomm_cb.scb[i].scn == scn) {
+            p_scb = &obex_tl_rfcomm_cb.scb[i];
+            break;
+        }
+    }
+    return p_scb;
+}
+
+static void rfcomm_mgmt_event_handler(tOBEX_TL_RFCOMM_CCB *p_ccb, UINT32 code)
+{
+    tOBEX_TL_MSG msg = {0};
+    msg.any.hdl = p_ccb->allocated;
+    switch (code)
+    {
+    case PORT_SUCCESS:
+        /* event already handled, do nothing */
+        break;
+    default:
+        /* other event, disconnect */
+        obex_tl_rfcomm_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+        free_ccb(p_ccb);
+        break;
+    }
+}
+
+static void rfcomm_client_mgmt_callback(UINT32 code, UINT16 rfc_handle, void* data)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = find_ccb_by_rfc_handle(rfc_handle);
+    if (p_ccb == NULL) {
+        OBEX_TL_RFCOMM_TRACE_DEBUG("No ccb to handle rfcomm event\n");
+        return;
+    }
+    /* connection opened, handle event here */
+    if (code == PORT_SUCCESS) {
+        assert(data != NULL);
+        tPORT_MGMT_CL_CALLBACK_ARG *cl_mgmt_cb_arg = (tPORT_MGMT_CL_CALLBACK_ARG *)data;
+        p_ccb->mtu = cl_mgmt_cb_arg->peer_mtu;
+
+        tOBEX_TL_MSG msg = {0};
+        msg.conn_open.hdl = p_ccb->allocated;
+        msg.conn_open.peer_mtu = p_ccb->mtu;
+        msg.conn_open.our_mtu = p_ccb->mtu;
+        obex_tl_rfcomm_cb.callback(OBEX_TL_CONN_OPEN_EVT, &msg);
+    }
+    rfcomm_mgmt_event_handler(p_ccb, code);
+}
+
+static void rfcomm_server_mgmt_callback(UINT32 code, UINT16 rfc_handle, void* data)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = NULL;
+    /* incoming connection, handle event here */
+    if (code == PORT_SUCCESS) {
+        assert(data != NULL);
+        tOBEX_TL_RFCOMM_SCB *p_scb = find_scb_by_rfc_handle(rfc_handle);
+        tPORT_MGMT_SR_CALLBACK_ARG *sr_mgmt_cb_arg = (tPORT_MGMT_SR_CALLBACK_ARG *)data;
+        if (p_scb == NULL) {
+            OBEX_TL_RFCOMM_TRACE_WARNING("No scb to this rfcomm connection\n");
+            /* tell rfcomm to reject this connection */
+            sr_mgmt_cb_arg->accept = FALSE;
+            return;
+        }
+
+        /* try to find p_ccb with this rfc_handle, we expect to get a NULL */
+        p_ccb = find_ccb_by_rfc_handle(rfc_handle);
+        if (p_ccb == NULL) {
+            p_ccb = allocate_ccb();
+            if (p_ccb == NULL) {
+                OBEX_TL_RFCOMM_TRACE_WARNING("can not allocate a ccb for new connection\n");
+                sr_mgmt_cb_arg->accept = FALSE;
+                return;
+            }
+        }
+        else {
+            OBEX_TL_RFCOMM_TRACE_WARNING("found duplicate rfcomm connection\n");
+        }
+
+        p_ccb->initiator = FALSE;
+        p_ccb->rfc_handle = rfc_handle;
+        p_ccb->scn = p_scb->scn;
+        p_ccb->mtu = sr_mgmt_cb_arg->peer_mtu;
+        /* get peer bd_addr */
+        PORT_CheckConnection(rfc_handle, FALSE, p_ccb->addr, NULL);
+
+        tOBEX_TL_MSG msg = {0};
+        msg.conn_income.hdl = p_ccb->allocated;
+        msg.conn_income.peer_mtu = p_ccb->mtu;
+        msg.conn_income.our_mtu = p_ccb->mtu;
+        msg.conn_income.svr_hdl = (p_scb->allocated << 8);
+        obex_tl_rfcomm_cb.callback(OBEX_TL_CONN_INCOME_EVT, &msg);
+    }
+    else {
+        /* other event, it means server is connected */
+        p_ccb = find_ccb_by_rfc_handle(rfc_handle);
+        if (p_ccb == NULL) {
+            OBEX_TL_RFCOMM_TRACE_DEBUG("No ccb to handle rfcomm event\n");
+            return;
+        }
+    }
+    rfcomm_mgmt_event_handler(p_ccb, code);
+}
+
+static int rfcomm_data_callback(UINT16 rfc_handle, UINT8 *p_buf, UINT16 len, int type)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = find_ccb_by_rfc_handle(rfc_handle);
+    if (p_ccb != NULL && type == DATA_CO_CALLBACK_TYPE_INCOMING) {
+        tOBEX_TL_MSG msg = {0};
+        msg.data.hdl = p_ccb->allocated;
+        msg.data.p_buf = (BT_HDR *)p_buf;
+        obex_tl_rfcomm_cb.callback(OBEX_TL_DATA_EVT, &msg);
+        PORT_FlowControl_GiveCredit(rfc_handle, TRUE, 1);
+    }
+    else if(p_buf != NULL) {
+        osi_free(p_buf);
+    }
+    return 1;
+}
+
+static void rfcomm_event_callback(UINT32 code, UINT16 rfc_handle)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = find_ccb_by_rfc_handle(rfc_handle);
+    if (p_ccb == NULL) {
+        OBEX_TL_RFCOMM_TRACE_WARNING("No ccb to handle rfcomm event\n");
+        return;
+    }
+
+    if (code & PORT_EV_FC) {
+        tOBEX_TL_MSG msg = {0};
+        msg.any.hdl = p_ccb->allocated;
+        if (code & PORT_EV_FCS) {
+            obex_tl_rfcomm_cb.callback(OBEX_TL_UNCONGEST_EVT, &msg);
+        }
+        else {
+            obex_tl_rfcomm_cb.callback(OBEX_TL_CONGEST_EVT, &msg);
+        }
+    }
+}
+
+void obex_tl_rfcomm_init(tOBEX_TL_CBACK *callback)
+{
+    assert(callback != NULL);
+#if (OBEX_DYNAMIC_MEMORY)
+    if (!obex_tl_rfcomm_cb_ptr) {
+        obex_tl_rfcomm_cb_ptr = (tOBEX_TL_RFCOMM_CB *)osi_malloc(sizeof(tOBEX_TL_RFCOMM_CB));
+        if (!obex_tl_rfcomm_cb_ptr) {
+            OBEX_TL_RFCOMM_TRACE_ERROR("OBEX over RFCOMM transport layer initialize failed, no memory\n");
+            assert(0);
+        }
+    }
+#endif /* #if (OBEX_DYNAMIC_MEMORY) */
+    memset(&obex_tl_rfcomm_cb, 0, sizeof(tOBEX_TL_RFCOMM_CB));
+    obex_tl_rfcomm_cb.callback = callback;
+    obex_tl_rfcomm_cb.trace_level = BT_TRACE_LEVEL_ERROR;
+}
+
+void obex_tl_rfcomm_deinit(void)
+{
+#if (OBEX_DYNAMIC_MEMORY)
+    if (obex_tl_rfcomm_cb_ptr) {
+        osi_free(obex_tl_rfcomm_cb_ptr);
+        obex_tl_rfcomm_cb_ptr = NULL;
+    }
+#endif /* #if (OBEX_DYNAMIC_MEMORY) */
+}
+
+UINT16 obex_tl_rfcomm_connect(tOBEX_TL_SVR_INFO *server)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = allocate_ccb();
+    if (p_ccb == NULL) {
+        return 0;
+    }
+
+    BTM_SetSecurityLevel(TRUE, "", BTM_SEC_SERVICE_OBEX, server->rfcomm.sec_mask, BT_PSM_RFCOMM, BTM_SEC_PROTO_RFCOMM, server->rfcomm.scn);
+    if (RFCOMM_CreateConnection(UUID_PROTOCOL_OBEX, server->rfcomm.scn, FALSE, server->rfcomm.pref_mtu,
+                                server->rfcomm.addr, &p_ccb->rfc_handle, rfcomm_client_mgmt_callback) != PORT_SUCCESS) {
+        free_ccb(p_ccb);
+        return 0;
+    }
+
+    /* set up data callback, event mask and event callback */
+    PORT_SetDataCOCallback(p_ccb->rfc_handle, rfcomm_data_callback);
+    PORT_SetEventMask(p_ccb->rfc_handle, OBEX_TL_RFCOMM_EVENT_MARK);
+    PORT_SetEventCallback(p_ccb->rfc_handle, rfcomm_event_callback);
+
+    bdcpy(p_ccb->addr, server->rfcomm.addr);
+    p_ccb->scn = server->rfcomm.scn;
+    p_ccb->initiator = TRUE;
+
+    return p_ccb->allocated;
+}
+
+void obex_tl_rfcomm_disconnect(UINT16 handle)
+{
+    tOBEX_TL_RFCOMM_CCB *p_ccb = find_ccb_by_handle(handle);
+    if (p_ccb != NULL) {
+        RFCOMM_RemoveConnection(p_ccb->rfc_handle);
+        free_ccb(p_ccb);
+    }
+}
+
+UINT16 obex_tl_rfcomm_send(UINT16 handle, BT_HDR *p_buf)
+{
+    UINT16 ret = OBEX_TL_FAILED;
+    tOBEX_TL_RFCOMM_CCB *p_ccb = find_ccb_by_handle(handle);
+    do {
+        if (p_ccb == NULL) {
+            osi_free(p_buf);
+            break;
+        }
+
+        /* Can not send data size larger than MTU */
+        /* Offset should not smaller than OBEX_TL_RFCOMM_BT_HDR_MIN_OFFSET */
+        if (p_buf->len > p_ccb->mtu || p_buf->offset < OBEX_TL_RFCOMM_BT_HDR_MIN_OFFSET) {
+            osi_free(p_buf);
+            break;
+        }
+
+        if (PORT_Write(p_ccb->rfc_handle, p_buf) == PORT_SUCCESS) {
+            ret = OBEX_TL_SUCCESS;
+        }
+    } while (0);
+    return ret;
+}
+
+UINT16 obex_tl_rfcomm_bind(tOBEX_TL_SVR_INFO *server)
+{
+    tOBEX_TL_RFCOMM_SCB *p_scb = find_scb_by_scn(server->rfcomm.scn);
+    if (p_scb != NULL) {
+        /* scn already used */
+        return 0;
+    }
+
+    p_scb = allocate_scb();
+    if (p_scb == NULL) {
+        OBEX_TL_RFCOMM_TRACE_WARNING("Can not allocate scb, out of number\n");
+        return 0;
+    }
+
+    BTM_SetSecurityLevel(FALSE, "", BTM_SEC_SERVICE_OBEX, server->rfcomm.sec_mask, BT_PSM_RFCOMM, BTM_SEC_PROTO_RFCOMM, server->rfcomm.scn);
+    if (RFCOMM_CreateConnection(UUID_PROTOCOL_OBEX, server->rfcomm.scn, TRUE, server->rfcomm.pref_mtu,
+                                server->rfcomm.addr, &p_scb->rfc_handle, rfcomm_server_mgmt_callback) != PORT_SUCCESS) {
+        free_scb(p_scb);
+        return 0;
+    }
+
+    /* set up data callback, event mask and event callback */
+    PORT_SetDataCOCallback(p_scb->rfc_handle, rfcomm_data_callback);
+    PORT_SetEventMask(p_scb->rfc_handle, OBEX_TL_RFCOMM_EVENT_MARK);
+    PORT_SetEventCallback(p_scb->rfc_handle, rfcomm_event_callback);
+
+    p_scb->scn = server->rfcomm.scn;
+
+    /* left shift 8 bits as server handle, avoid confuse with connection handle */
+    return (p_scb->allocated << 8);
+}
+
+void obex_tl_rfcomm_unbind(UINT16 handle)
+{
+    tOBEX_TL_RFCOMM_SCB *p_scb = find_scb_by_handle(handle);
+    if (p_scb) {
+        tOBEX_TL_RFCOMM_CCB *p_ccb = NULL;
+        while ((p_ccb = find_ccb_by_rfc_handle(p_scb->rfc_handle)) != NULL) {
+            RFCOMM_RemoveConnection(p_ccb->rfc_handle);
+            tOBEX_TL_MSG msg = {0};
+            msg.any.hdl = p_ccb->allocated;
+            obex_tl_rfcomm_cb.callback(OBEX_TL_DIS_CONN_EVT, &msg);
+            free_ccb(p_ccb);
+        }
+        RFCOMM_RemoveServer(p_scb->rfc_handle);
+        free_scb(p_scb);
+    }
+}
+
+static tOBEX_TL_OPS obex_tl_rfcomm_ops = {
+    .init = obex_tl_rfcomm_init,
+    .deinit = obex_tl_rfcomm_deinit,
+    .connect = obex_tl_rfcomm_connect,
+    .disconnect = obex_tl_rfcomm_disconnect,
+    .bind = obex_tl_rfcomm_bind,
+    .unbind = obex_tl_rfcomm_unbind,
+    .send = obex_tl_rfcomm_send
+};
+
+/*******************************************************************************
+**
+** Function         obex_tl_rfcomm_ops_get
+**
+** Description      Get the operation function structure pointer of OBEX over
+**                  RFCOMM transport layer
+**
+** Returns          Pointer to operation function structure
+**
+*******************************************************************************/
+tOBEX_TL_OPS *obex_tl_rfcomm_ops_get(void)
+{
+    return &obex_tl_rfcomm_ops;
+}
+
+#endif /* #if (OBEX_INCLUDED == TRUE && RFCOMM_INCLUDED == TRUE) */
diff --git a/lib/bt/host/bluedroid/stack/sdp/sdp_api.c b/lib/bt/host/bluedroid/stack/sdp/sdp_api.c
index 0103e4de..9b477a1c 100644
--- a/lib/bt/host/bluedroid/stack/sdp/sdp_api.c
+++ b/lib/bt/host/bluedroid/stack/sdp/sdp_api.c
@@ -372,7 +372,7 @@ BOOLEAN SDP_FindServiceUUIDInRec(tSDP_DISC_REC *p_rec, tBT_UUID *p_uuid)
                     if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) {
                         /* Look through data element sequence until no more UUIDs */
                         for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) {
-                            /* Increment past this to see if the next attribut is UUID */
+                            /* Increment past this to see if the next attribute is UUID */
                             if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == UUID_DESC_TYPE)
                                     /* only support 16 bits UUID for now */
                                     && (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2)) {
@@ -522,7 +522,7 @@ tSDP_DISC_REC *SDP_FindServiceInDb (tSDP_DISCOVERY_DB *p_db, UINT16 service_uuid
                         if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) {
                             /* Look through data element sequence until no more UUIDs */
                             for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) {
-                                /* Increment past this to see if the next attribut is UUID */
+                                /* Increment past this to see if the next attribute is UUID */
                                 if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == UUID_DESC_TYPE)
                                         && (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2)
                                         /* for a specific uuid, or any one */
@@ -768,6 +768,28 @@ BOOLEAN SDP_FindProtocolListElemInRec (tSDP_DISC_REC *p_rec, UINT16 layer_uuid,
     return (FALSE);
 }
 
+/*******************************************************************************
+**
+** Function         SDP_FindProtocolListElem
+**
+** Description      This function looks at the protocol list for a specific protocol
+**                  list element.
+**
+** Returns          TRUE if found, FALSE if not
+**                  If found, the passed protocol list element is filled in.
+**
+*******************************************************************************/
+BOOLEAN SDP_FindProtocolListElem (tSDP_DISC_ATTR *p_protocol_list, UINT16 layer_uuid, tSDP_PROTOCOL_ELEM *p_elem)
+{
+#if SDP_CLIENT_ENABLED == TRUE
+    /* don't check the input protocol descriptor list id, this api may be use in additional protocol descriptor list */
+    if ((SDP_DISC_ATTR_TYPE(p_protocol_list->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) {
+        return sdp_fill_proto_elem(p_protocol_list, layer_uuid, p_elem);
+    }
+#endif
+    /* If here, no match found */
+    return (FALSE);
+}
 
 /*******************************************************************************
 **
diff --git a/lib/bt/host/bluedroid/stack/sdp/sdp_db.c b/lib/bt/host/bluedroid/stack/sdp/sdp_db.c
index a9b3daa4..60dd04a6 100644
--- a/lib/bt/host/bluedroid/stack/sdp/sdp_db.c
+++ b/lib/bt/host/bluedroid/stack/sdp/sdp_db.c
@@ -276,7 +276,7 @@ static int sdp_compose_proto_list( UINT8 *p, UINT16 num_elem,
 **
 ** Description      This function is called to create a record in the database.
 **                  This would be through the SDP database maintenance API. The
-**                  record is created empty, teh application should then call
+**                  record is created empty, the application should then call
 **                  "add_attribute" to add the record's attributes.
 **
 ** Returns          Record handle if OK, else 0.
@@ -293,15 +293,15 @@ UINT32 SDP_CreateRecord (void)
 
     /* First, check if there is a free record */
     if (p_db->num_records < SDP_MAX_RECORDS) {
-        p_rec =(tSDP_RECORD *)osi_malloc(sizeof(tSDP_RECORD));
-	if (p_rec) {
-    	    memset(p_rec, 0, sizeof(tSDP_RECORD));
-    	    /* Save previous rec */
-    	    if (p_db->num_records) {
-    	        p_rec_prev = list_back(p_db->p_record_list);
-    	    }
-    	    /* Append new record */
-    	    list_append(p_db->p_record_list, p_rec);
+        p_rec = (tSDP_RECORD *)osi_malloc(sizeof(tSDP_RECORD));
+        if (p_rec) {
+            memset(p_rec, 0, sizeof(tSDP_RECORD));
+            /* Save previous rec */
+            if (p_db->num_records) {
+                p_rec_prev = list_back(p_db->p_record_list);
+            }
+            /* Append new record */
+            list_append(p_db->p_record_list, p_rec);
 
             /* We will use a handle of the first unreserved handle plus last record
             ** number + 1 */
@@ -321,10 +321,12 @@ UINT32 SDP_CreateRecord (void)
                               4, buf);
 
             return (p_rec->record_handle);
-	} else {
+        }
+        else {
             SDP_TRACE_ERROR("SDP_CreateRecord fail, memory allocation failed\n");
-	}
-    } else {
+        }
+    }
+    else {
         SDP_TRACE_ERROR("SDP_CreateRecord fail, exceed maximum records:%d\n", SDP_MAX_RECORDS);
     }
 #endif
@@ -354,17 +356,17 @@ BOOLEAN SDP_DeleteRecord (UINT32 handle)
     if (handle == 0 || sdp_cb.server_db.num_records == 0) {
         /* Delete all records in the database */
         sdp_cb.server_db.num_records = 0;
-        for(p_node = list_begin(sdp_cb.server_db.p_record_list); p_node; p_node = list_next(p_node)) {
-	    list_remove(sdp_cb.server_db.p_record_list, p_node);
-	}
+        for (p_node = list_begin(sdp_cb.server_db.p_record_list); p_node; p_node = list_next(p_node)) {
+            list_remove(sdp_cb.server_db.p_record_list, p_node);
+        }
         /* require new DI record to be created in SDP_SetLocalDiRecord */
         sdp_cb.server_db.di_primary_handle = 0;
 
         return (TRUE);
     } else {
         /* Find the record in the database */
-        for(p_node = list_begin(sdp_cb.server_db.p_record_list); p_node; p_node = list_next(p_node)) {
-	    p_rec = list_node(p_node);
+        for (p_node = list_begin(sdp_cb.server_db.p_record_list); p_node; p_node = list_next(p_node)) {
+            p_rec = list_node(p_node);
             if (p_rec->record_handle == handle) {
                 /* Found it. Shift everything up one */
                 list_remove(sdp_cb.server_db.p_record_list, p_rec);
@@ -374,7 +376,7 @@ BOOLEAN SDP_DeleteRecord (UINT32 handle)
                 SDP_TRACE_DEBUG("SDP_DeleteRecord ok, num_records:%d\n", sdp_cb.server_db.num_records);
                 /* if we're deleting the primary DI record, clear the */
                 /* value in the control block */
-                if ( sdp_cb.server_db.di_primary_handle == handle ) {
+                if (sdp_cb.server_db.di_primary_handle == handle) {
                     sdp_cb.server_db.di_primary_handle = 0;
                 }
 
diff --git a/lib/bt/host/bluedroid/stack/sdp/sdp_discovery.c b/lib/bt/host/bluedroid/stack/sdp/sdp_discovery.c
index d63b164d..31ab11f4 100644
--- a/lib/bt/host/bluedroid/stack/sdp/sdp_discovery.c
+++ b/lib/bt/host/bluedroid/stack/sdp/sdp_discovery.c
@@ -453,7 +453,7 @@ static void process_service_attr_rsp (tCONN_CB *p_ccb, UINT8 *p_reply)
         }
     }
 
-    /* Now, ask for the next handle. Re-use the buffer we just got. */
+    /* Now, ask for the next handle. Reuse the buffer we just got. */
     if (p_ccb->cur_handle < p_ccb->num_handles) {
         BT_HDR  *p_msg = (BT_HDR *) osi_malloc(SDP_DATA_BUF_SIZE);
         UINT8   *p;
@@ -669,6 +669,7 @@ static void process_service_search_attr_rsp (tCONN_CB *p_ccb, UINT8 *p_reply)
 
     if ((type >> 3) != DATA_ELE_SEQ_DESC_TYPE) {
         SDP_TRACE_WARNING ("SDP - Wrong type: 0x%02x in attr_rsp\n", type);
+        sdp_disconnect (p_ccb, SDP_ILLEGAL_PARAMETER);
         return;
     }
     p = sdpu_get_len_from_type (p, type, &seq_len);
diff --git a/lib/bt/host/bluedroid/stack/smp/smp_act.c b/lib/bt/host/bluedroid/stack/smp/smp_act.c
index 0e7dcd5b..43b2e476 100644
--- a/lib/bt/host/bluedroid/stack/smp/smp_act.c
+++ b/lib/bt/host/bluedroid/stack/smp/smp_act.c
@@ -1553,7 +1553,7 @@ void smp_fast_conn_param(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
         }
         /* Disable L2CAP connection parameter updates while bonding since
         some peripherals are not able to revert to fast connection parameters
-        during the start of service discovery. Connection paramter updates
+        during the start of service discovery. Connection parameter updates
         get enabled again once service discovery completes. */
         #if (BT_MULTI_CONNECTION_ENBALE == FALSE)
         L2CA_EnableUpdateBleConnParams(p_cb->pairing_bda, FALSE);
@@ -1648,6 +1648,8 @@ void smp_process_local_nonce(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
             /* slave calculates and sends local commitment */
             smp_calculate_local_commitment(p_cb);
             smp_send_commitment(p_cb, NULL);
+            /* Ensure the connection is still active */
+            if (smp_get_state() == SMP_STATE_IDLE) return;
             /* slave has to wait for peer nonce */
             smp_set_state(SMP_STATE_WAIT_NONCE);
         } else { /* i.e. master */
@@ -1658,6 +1660,8 @@ void smp_process_local_nonce(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
                                 p_cb->selected_association_model);
                 p_cb->flags &= ~SMP_PAIR_FLAG_HAVE_PEER_COMM;
                 smp_send_rand(p_cb, NULL);
+                /* Ensure the connection is still active */
+                if (smp_get_state() == SMP_STATE_IDLE) return;
                 smp_set_state(SMP_STATE_WAIT_NONCE);
             }
         }
@@ -1672,6 +1676,8 @@ void smp_process_local_nonce(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
             if (p_cb->flags & SMP_PAIR_FLAG_HAVE_PEER_COMM) {
                 /* master commitment is already received */
                 smp_send_commitment(p_cb, NULL);
+                /* Ensure the connection is still active */
+                if (smp_get_state() == SMP_STATE_IDLE) return;
                 smp_set_state(SMP_STATE_WAIT_NONCE);
             }
         }
@@ -1679,6 +1685,8 @@ void smp_process_local_nonce(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
     case SMP_MODEL_SEC_CONN_OOB:
         if (p_cb->role == HCI_ROLE_MASTER) {
             smp_send_rand(p_cb, NULL);
+            /* Ensure the connection is still active */
+            if (smp_get_state() == SMP_STATE_IDLE) return;
         }
 
         smp_set_state(SMP_STATE_WAIT_NONCE);
@@ -2002,7 +2010,7 @@ void smp_link_encrypted(BD_ADDR bda, UINT8 encr_enable)
     SMP_TRACE_DEBUG("%s encr_enable=%d\n", __func__, encr_enable);
 
     if (memcmp(&smp_cb.pairing_bda[0], bda, BD_ADDR_LEN) == 0) {
-        /* encryption completed with STK, remmeber the key size now, could be overwite
+        /* encryption completed with STK, remember the key size now, could be overwrite
         *  when key exchange happens                                        */
         if (p_cb->loc_enc_size != 0 && encr_enable) {
             /* update the link encryption key size if a SMP pairing just performed */
diff --git a/lib/bt/host/bluedroid/stack/smp/smp_utils.c b/lib/bt/host/bluedroid/stack/smp/smp_utils.c
index 2e9fac77..48ba6c0a 100644
--- a/lib/bt/host/bluedroid/stack/smp/smp_utils.c
+++ b/lib/bt/host/bluedroid/stack/smp/smp_utils.c
@@ -331,8 +331,7 @@ BOOLEAN  smp_send_msg_to_L2CAP(BD_ADDR rem_bda, BT_HDR *p_toL2CAP)
 
     if ((l2cap_ret = L2CA_SendFixedChnlData (fixed_cid, rem_bda, p_toL2CAP)) == L2CAP_DW_FAILED) {
         smp_cb.total_tx_unacked -= 1;
-        SMP_TRACE_ERROR("SMP   failed to pass msg:0x%0x to L2CAP",
-                        *((UINT8 *)(p_toL2CAP + 1) + p_toL2CAP->offset));
+        SMP_TRACE_ERROR("SMP failed to pass msg to L2CAP");
         return FALSE;
     } else {
         return TRUE;
@@ -1125,7 +1124,7 @@ BOOLEAN smp_pairing_request_response_parameters_are_valid(tSMP_CB *p_cb)
     SMP_TRACE_DEBUG("%s for cmd code 0x%02x\n", __func__, p_cb->rcvd_cmd_code);
 
     if (io_caps >= BTM_IO_CAP_MAX) {
-        SMP_TRACE_WARNING("Rcvd from the peer cmd 0x%02x with IO Capabilty \
+        SMP_TRACE_WARNING("Rcvd from the peer cmd 0x%02x with IO Capability \
             value (0x%02x) out of range).\n",
                           p_cb->rcvd_cmd_code, io_caps);
         return FALSE;