| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #include <stdint.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include "os/os.h" |
| #include "nimble/hci_common.h" |
| #include "nimble/ble_hci_trans.h" |
| #include "host/ble_gap.h" |
| #include "host/ble_monitor.h" |
| #include "ble_hs_priv.h" |
| #include "ble_hs_dbg_priv.h" |
| |
| _Static_assert(sizeof (struct hci_data_hdr) == BLE_HCI_DATA_HDR_SZ, |
| "struct hci_data_hdr must be 4 bytes"); |
| |
| typedef int ble_hs_hci_evt_fn(uint8_t event_code, uint8_t *data, int len); |
| static ble_hs_hci_evt_fn ble_hs_hci_evt_disconn_complete; |
| static ble_hs_hci_evt_fn ble_hs_hci_evt_encrypt_change; |
| static ble_hs_hci_evt_fn ble_hs_hci_evt_hw_error; |
| static ble_hs_hci_evt_fn ble_hs_hci_evt_num_completed_pkts; |
| static ble_hs_hci_evt_fn ble_hs_hci_evt_enc_key_refresh; |
| static ble_hs_hci_evt_fn ble_hs_hci_evt_le_meta; |
| |
| typedef int ble_hs_hci_evt_le_fn(uint8_t subevent, uint8_t *data, int len); |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_conn_complete; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_adv_rpt; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_conn_upd_complete; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_lt_key_req; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_conn_parm_req; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_dir_adv_rpt; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_phy_update_complete; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_ext_adv_rpt; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_rd_rem_used_feat_complete; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_scan_timeout; |
| static ble_hs_hci_evt_le_fn ble_hs_hci_evt_le_adv_set_terminated; |
| |
| /* Statistics */ |
| struct host_hci_stats |
| { |
| uint32_t events_rxd; |
| uint32_t good_acks_rxd; |
| uint32_t bad_acks_rxd; |
| uint32_t unknown_events_rxd; |
| }; |
| |
| #define BLE_HS_HCI_EVT_TIMEOUT 50 /* Milliseconds. */ |
| |
| /** Dispatch table for incoming HCI events. Sorted by event code field. */ |
| struct ble_hs_hci_evt_dispatch_entry { |
| uint8_t event_code; |
| ble_hs_hci_evt_fn *cb; |
| }; |
| |
| static const struct ble_hs_hci_evt_dispatch_entry ble_hs_hci_evt_dispatch[] = { |
| { BLE_HCI_EVCODE_DISCONN_CMP, ble_hs_hci_evt_disconn_complete }, |
| { BLE_HCI_EVCODE_ENCRYPT_CHG, ble_hs_hci_evt_encrypt_change }, |
| { BLE_HCI_EVCODE_HW_ERROR, ble_hs_hci_evt_hw_error }, |
| { BLE_HCI_EVCODE_NUM_COMP_PKTS, ble_hs_hci_evt_num_completed_pkts }, |
| { BLE_HCI_EVCODE_ENC_KEY_REFRESH, ble_hs_hci_evt_enc_key_refresh }, |
| { BLE_HCI_EVCODE_LE_META, ble_hs_hci_evt_le_meta }, |
| }; |
| |
| #define BLE_HS_HCI_EVT_DISPATCH_SZ \ |
| (sizeof ble_hs_hci_evt_dispatch / sizeof ble_hs_hci_evt_dispatch[0]) |
| |
| /** Dispatch table for incoming LE meta events. Sorted by subevent field. */ |
| struct ble_hs_hci_evt_le_dispatch_entry { |
| uint8_t subevent; |
| ble_hs_hci_evt_le_fn *cb; |
| }; |
| |
| static const struct ble_hs_hci_evt_le_dispatch_entry |
| ble_hs_hci_evt_le_dispatch[] = { |
| { BLE_HCI_LE_SUBEV_CONN_COMPLETE, ble_hs_hci_evt_le_conn_complete }, |
| { BLE_HCI_LE_SUBEV_ADV_RPT, ble_hs_hci_evt_le_adv_rpt }, |
| { BLE_HCI_LE_SUBEV_CONN_UPD_COMPLETE, |
| ble_hs_hci_evt_le_conn_upd_complete }, |
| { BLE_HCI_LE_SUBEV_LT_KEY_REQ, ble_hs_hci_evt_le_lt_key_req }, |
| { BLE_HCI_LE_SUBEV_REM_CONN_PARM_REQ, ble_hs_hci_evt_le_conn_parm_req }, |
| { BLE_HCI_LE_SUBEV_ENH_CONN_COMPLETE, ble_hs_hci_evt_le_conn_complete }, |
| { BLE_HCI_LE_SUBEV_DIRECT_ADV_RPT, ble_hs_hci_evt_le_dir_adv_rpt }, |
| { BLE_HCI_LE_SUBEV_PHY_UPDATE_COMPLETE, |
| ble_hs_hci_evt_le_phy_update_complete }, |
| { BLE_HCI_LE_SUBEV_EXT_ADV_RPT, ble_hs_hci_evt_le_ext_adv_rpt }, |
| { BLE_HCI_LE_SUBEV_RD_REM_USED_FEAT, |
| ble_hs_hci_evt_le_rd_rem_used_feat_complete }, |
| { BLE_HCI_LE_SUBEV_SCAN_TIMEOUT, |
| ble_hs_hci_evt_le_scan_timeout }, |
| { BLE_HCI_LE_SUBEV_ADV_SET_TERMINATED, |
| ble_hs_hci_evt_le_adv_set_terminated }, |
| }; |
| |
| #define BLE_HS_HCI_EVT_LE_DISPATCH_SZ \ |
| (sizeof ble_hs_hci_evt_le_dispatch / sizeof ble_hs_hci_evt_le_dispatch[0]) |
| |
| static const struct ble_hs_hci_evt_dispatch_entry * |
| ble_hs_hci_evt_dispatch_find(uint8_t event_code) |
| { |
| const struct ble_hs_hci_evt_dispatch_entry *entry; |
| int i; |
| |
| for (i = 0; i < BLE_HS_HCI_EVT_DISPATCH_SZ; i++) { |
| entry = ble_hs_hci_evt_dispatch + i; |
| if (entry->event_code == event_code) { |
| return entry; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| static const struct ble_hs_hci_evt_le_dispatch_entry * |
| ble_hs_hci_evt_le_dispatch_find(uint8_t event_code) |
| { |
| const struct ble_hs_hci_evt_le_dispatch_entry *entry; |
| int i; |
| |
| for (i = 0; i < BLE_HS_HCI_EVT_LE_DISPATCH_SZ; i++) { |
| entry = ble_hs_hci_evt_le_dispatch + i; |
| if (entry->subevent == event_code) { |
| return entry; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| static int |
| ble_hs_hci_evt_disconn_complete(uint8_t event_code, uint8_t *data, int len) |
| { |
| struct hci_disconn_complete evt; |
| const struct ble_hs_conn *conn; |
| |
| if (len < BLE_HCI_EVENT_DISCONN_COMPLETE_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.status = data[2]; |
| evt.connection_handle = get_le16(data + 3); |
| evt.reason = data[5]; |
| |
| ble_hs_lock(); |
| conn = ble_hs_conn_find(evt.connection_handle); |
| if (conn != NULL) { |
| ble_hs_hci_add_avail_pkts(conn->bhc_outstanding_pkts); |
| } |
| ble_hs_unlock(); |
| |
| ble_gap_rx_disconn_complete(&evt); |
| |
| /* The connection termination may have freed up some capacity in the |
| * controller for additional ACL data packets. Wake up any stalled |
| * connections. |
| */ |
| ble_hs_wakeup_tx(); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_encrypt_change(uint8_t event_code, uint8_t *data, int len) |
| { |
| struct hci_encrypt_change evt; |
| |
| if (len < BLE_HCI_EVENT_ENCRYPT_CHG_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.status = data[2]; |
| evt.connection_handle = get_le16(data + 3); |
| evt.encryption_enabled = data[5]; |
| |
| ble_sm_enc_change_rx(&evt); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_hw_error(uint8_t event_code, uint8_t *data, int len) |
| { |
| uint8_t hw_code; |
| |
| if (len < BLE_HCI_EVENT_HW_ERROR_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| hw_code = data[0]; |
| ble_hs_hw_error(hw_code); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_enc_key_refresh(uint8_t event_code, uint8_t *data, int len) |
| { |
| struct hci_encrypt_key_refresh evt; |
| |
| if (len < BLE_HCI_EVENT_ENC_KEY_REFRESH_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.status = data[2]; |
| evt.connection_handle = get_le16(data + 3); |
| |
| ble_sm_enc_key_refresh_rx(&evt); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_num_completed_pkts(uint8_t event_code, uint8_t *data, int len) |
| { |
| struct ble_hs_conn *conn; |
| uint16_t num_pkts; |
| uint16_t handle; |
| uint8_t num_handles; |
| int off; |
| int i; |
| |
| if (len < BLE_HCI_EVENT_HDR_LEN + BLE_HCI_EVENT_NUM_COMP_PKTS_HDR_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| off = BLE_HCI_EVENT_HDR_LEN; |
| num_handles = data[off]; |
| if (len < BLE_HCI_EVENT_NUM_COMP_PKTS_HDR_LEN + |
| num_handles * BLE_HCI_EVENT_NUM_COMP_PKTS_ENT_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| off++; |
| |
| for (i = 0; i < num_handles; i++) { |
| handle = get_le16(data + off); |
| num_pkts = get_le16(data + off + 2); |
| off += (2 * sizeof(uint16_t)); |
| |
| if (num_pkts > 0) { |
| ble_hs_lock(); |
| conn = ble_hs_conn_find(handle); |
| if (conn != NULL) { |
| if (conn->bhc_outstanding_pkts < num_pkts) { |
| ble_hs_sched_reset(BLE_HS_ECONTROLLER); |
| } else { |
| conn->bhc_outstanding_pkts -= num_pkts; |
| } |
| |
| ble_hs_hci_add_avail_pkts(num_pkts); |
| } |
| ble_hs_unlock(); |
| } |
| } |
| |
| /* If any transmissions have stalled, wake them up now. */ |
| ble_hs_wakeup_tx(); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_meta(uint8_t event_code, uint8_t *data, int len) |
| { |
| const struct ble_hs_hci_evt_le_dispatch_entry *entry; |
| uint8_t subevent; |
| int rc; |
| |
| if (len < BLE_HCI_EVENT_HDR_LEN + BLE_HCI_LE_MIN_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| subevent = data[2]; |
| entry = ble_hs_hci_evt_le_dispatch_find(subevent); |
| if (entry != NULL) { |
| rc = entry->cb(subevent, data + BLE_HCI_EVENT_HDR_LEN, |
| len - BLE_HCI_EVENT_HDR_LEN); |
| if (rc != 0) { |
| return rc; |
| } |
| } |
| |
| return 0; |
| } |
| |
| #if MYNEWT_VAL(BLE_EXT_ADV) |
| static struct hci_le_conn_complete pend_conn_complete; |
| #endif |
| |
| static int |
| ble_hs_hci_evt_le_conn_complete(uint8_t subevent, uint8_t *data, int len) |
| { |
| struct hci_le_conn_complete evt; |
| int extended_offset = 0; |
| |
| if (len < BLE_HCI_LE_CONN_COMPLETE_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| /* this code processes two different events that are really similar */ |
| if ((subevent == BLE_HCI_LE_SUBEV_ENH_CONN_COMPLETE) && |
| ( len < BLE_HCI_LE_ENH_CONN_COMPLETE_LEN)) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| memset(&evt, 0, sizeof(evt)); |
| |
| evt.subevent_code = data[0]; |
| evt.status = data[1]; |
| |
| if (evt.status == BLE_ERR_SUCCESS) { |
| evt.connection_handle = get_le16(data + 2); |
| evt.role = data[4]; |
| evt.peer_addr_type = data[5]; |
| memcpy(evt.peer_addr, data + 6, BLE_DEV_ADDR_LEN); |
| |
| /* enhanced connection event has the same information with these |
| * extra fields stuffed into the middle */ |
| if (subevent == BLE_HCI_LE_SUBEV_ENH_CONN_COMPLETE) { |
| memcpy(evt.local_rpa, data + 12, BLE_DEV_ADDR_LEN); |
| memcpy(evt.peer_rpa, data + 18, BLE_DEV_ADDR_LEN); |
| extended_offset = 12; |
| } else { |
| memset(evt.local_rpa, 0, BLE_DEV_ADDR_LEN); |
| memset(evt.peer_rpa, 0, BLE_DEV_ADDR_LEN); |
| } |
| |
| evt.conn_itvl = get_le16(data + 12 + extended_offset); |
| evt.conn_latency = get_le16(data + 14 + extended_offset); |
| evt.supervision_timeout = get_le16(data + 16 + extended_offset); |
| evt.master_clk_acc = data[18 + extended_offset]; |
| } else { |
| #if MYNEWT_VAL(BLE_HS_DEBUG) |
| evt.connection_handle = BLE_HS_CONN_HANDLE_NONE; |
| #endif |
| } |
| |
| #if MYNEWT_VAL(BLE_EXT_ADV) |
| if (evt.status == BLE_ERR_DIR_ADV_TMO || |
| evt.role == BLE_HCI_LE_CONN_COMPLETE_ROLE_SLAVE) { |
| /* store this until we get set terminated event with adv handle */ |
| memcpy(&pend_conn_complete, &evt, sizeof(evt)); |
| return 0; |
| } |
| #endif |
| return ble_gap_rx_conn_complete(&evt, 0); |
| } |
| |
| static int |
| ble_hs_hci_evt_le_adv_rpt_first_pass(uint8_t *data, int len) |
| { |
| uint8_t num_reports; |
| int off; |
| int i; |
| |
| if (len < BLE_HCI_LE_ADV_RPT_MIN_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| num_reports = data[1]; |
| if (num_reports < BLE_HCI_LE_ADV_RPT_NUM_RPTS_MIN || |
| num_reports > BLE_HCI_LE_ADV_RPT_NUM_RPTS_MAX) { |
| return BLE_HS_EBADDATA; |
| } |
| |
| off = 2; /* Subevent code and num reports. */ |
| for (i = 0; i < num_reports; i++) { |
| /* Move past event type (1), address type (1) and address (6) */ |
| off += 8; |
| |
| /* Add advertising data length (N), length (1) and rssi (1) */ |
| off += data[off]; |
| off += 2; |
| |
| /* Make sure we are not past length */ |
| if (off > len) { |
| return BLE_HS_ECONTROLLER; |
| } |
| } |
| |
| /* Make sure length was correct */ |
| if (off != len) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_adv_rpt(uint8_t subevent, uint8_t *data, int len) |
| { |
| struct ble_gap_disc_desc desc = {0}; |
| uint8_t num_reports; |
| int off; |
| int rc; |
| int i; |
| |
| /* Validate the event is formatted correctly */ |
| rc = ble_hs_hci_evt_le_adv_rpt_first_pass(data, len); |
| if (rc != 0) { |
| return rc; |
| } |
| |
| desc.direct_addr = *BLE_ADDR_ANY; |
| |
| off = 2; /* skip sub-event and num reports */ |
| num_reports = data[1]; |
| for (i = 0; i < num_reports; i++) { |
| desc.event_type = data[off]; |
| ++off; |
| |
| desc.addr.type = data[off]; |
| ++off; |
| |
| memcpy(desc.addr.val, data + off, 6); |
| off += 6; |
| |
| desc.length_data = data[off]; |
| ++off; |
| |
| desc.data = data + off; |
| off += desc.length_data; |
| |
| desc.rssi = data[off]; |
| ++off; |
| |
| ble_gap_rx_adv_report(&desc); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_dir_adv_rpt(uint8_t subevent, uint8_t *data, int len) |
| { |
| struct ble_gap_disc_desc desc = {0}; |
| uint8_t num_reports; |
| int suboff; |
| int off; |
| int i; |
| |
| if (len < BLE_HCI_LE_ADV_DIRECT_RPT_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| num_reports = data[1]; |
| if (len != 2 + num_reports * BLE_HCI_LE_ADV_DIRECT_RPT_SUB_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| /* Data fields not present in a direct advertising report. */ |
| desc.data = NULL; |
| desc.length_data = 0; |
| |
| for (i = 0; i < num_reports; i++) { |
| suboff = 0; |
| |
| off = 2 + suboff * num_reports + i; |
| desc.event_type = data[off]; |
| suboff++; |
| |
| off = 2 + suboff * num_reports + i; |
| desc.addr.type = data[off]; |
| suboff++; |
| |
| off = 2 + suboff * num_reports + i * 6; |
| memcpy(desc.addr.val, data + off, 6); |
| suboff += 6; |
| |
| off = 2 + suboff * num_reports + i; |
| desc.direct_addr.type = data[off]; |
| suboff++; |
| |
| off = 2 + suboff * num_reports + i * 6; |
| memcpy(desc.direct_addr.val, data + off, 6); |
| suboff += 6; |
| |
| off = 2 + suboff * num_reports + i; |
| desc.rssi = data[off]; |
| suboff++; |
| |
| ble_gap_rx_adv_report(&desc); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_rd_rem_used_feat_complete(uint8_t subevent, uint8_t *data, |
| int len) |
| { |
| struct hci_le_rd_rem_supp_feat_complete evt; |
| |
| if (len < BLE_HCI_LE_RD_REM_USED_FEAT_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.subevent_code = data[0]; |
| evt.status = data[1]; |
| evt.connection_handle = get_le16(data + 2); |
| memcpy(evt.features, data + 4, 8); |
| |
| ble_gap_rx_rd_rem_sup_feat_complete(&evt); |
| |
| return 0; |
| } |
| |
| #if MYNEWT_VAL(BLE_EXT_ADV) |
| static int |
| ble_hs_hci_decode_legacy_type(uint16_t evt_type) |
| { |
| switch (evt_type) { |
| case BLE_HCI_LEGACY_ADV_EVTYPE_ADV_IND: |
| return BLE_HCI_ADV_RPT_EVTYPE_ADV_IND; |
| case BLE_HCI_LEGACY_ADV_EVTYPE_ADV_DIRECT_IND: |
| return BLE_HCI_ADV_RPT_EVTYPE_DIR_IND; |
| case BLE_HCI_LEGACY_ADV_EVTYPE_ADV_SCAN_IND: |
| return BLE_HCI_ADV_RPT_EVTYPE_SCAN_IND; |
| case BLE_HCI_LEGACY_ADV_EVTYPE_ADV_NONCON_IND: |
| return BLE_HCI_ADV_RPT_EVTYPE_NONCONN_IND; |
| case BLE_HCI_LEGACY_ADV_EVTYPE_SCAN_RSP_ADV_IND: |
| return BLE_HCI_ADV_RPT_EVTYPE_SCAN_RSP; |
| default: |
| return -1; |
| } |
| } |
| #endif |
| |
| static int |
| ble_hs_hci_evt_le_ext_adv_rpt(uint8_t subevent, uint8_t *data, int len) |
| { |
| #if MYNEWT_VAL(BLE_EXT_ADV) |
| struct ble_gap_ext_disc_desc desc; |
| struct hci_ext_adv_report *ext_adv; |
| struct hci_ext_adv_report_param *params; |
| int num_reports; |
| int i; |
| int legacy_event_type; |
| |
| if (len < sizeof(*ext_adv)) { |
| return BLE_HS_EBADDATA; |
| } |
| |
| ext_adv = (struct hci_ext_adv_report *) data; |
| num_reports = ext_adv->num_reports; |
| if (num_reports < BLE_HCI_LE_ADV_RPT_NUM_RPTS_MIN || |
| num_reports > BLE_HCI_LE_ADV_RPT_NUM_RPTS_MAX) { |
| |
| return BLE_HS_EBADDATA; |
| } |
| |
| if (len < (sizeof(*ext_adv) + ext_adv->num_reports * sizeof(*params))) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| params = &ext_adv->params[0]; |
| for (i = 0; i < num_reports; i++) { |
| memset(&desc, 0, sizeof(desc)); |
| |
| desc.props = (params->evt_type) & 0x1F; |
| if (desc.props & BLE_HCI_ADV_LEGACY_MASK) { |
| legacy_event_type = ble_hs_hci_decode_legacy_type(params->evt_type); |
| if (legacy_event_type < 0) { |
| params += 1; |
| continue; |
| } |
| desc.legacy_event_type = legacy_event_type; |
| desc.data_status = BLE_GAP_EXT_ADV_DATA_STATUS_COMPLETE; |
| } else { |
| switch(params->evt_type & BLE_HCI_ADV_DATA_STATUS_MASK) { |
| case BLE_HCI_ADV_DATA_STATUS_COMPLETE: |
| desc.data_status = BLE_GAP_EXT_ADV_DATA_STATUS_COMPLETE; |
| break; |
| case BLE_HCI_ADV_DATA_STATUS_INCOMPLETE: |
| desc.data_status = BLE_GAP_EXT_ADV_DATA_STATUS_INCOMPLETE; |
| break; |
| case BLE_HCI_ADV_DATA_STATUS_TRUNCATED: |
| desc.data_status = BLE_GAP_EXT_ADV_DATA_STATUS_TRUNCATED; |
| break; |
| default: |
| assert(false); |
| } |
| } |
| desc.addr.type = params->addr_type; |
| memcpy(desc.addr.val, params->addr, 6); |
| desc.length_data = params->adv_data_len; |
| desc.data = params->adv_data; |
| desc.rssi = params->rssi; |
| desc.tx_power = params->tx_power; |
| memcpy(desc.direct_addr.val, params->dir_addr, 6); |
| desc.direct_addr.type = params->dir_addr_type; |
| desc.sid = params->sid; |
| desc.prim_phy = params->prim_phy; |
| desc.sec_phy = params->sec_phy; |
| ble_gap_rx_ext_adv_report(&desc); |
| params += 1; |
| } |
| #endif |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_scan_timeout(uint8_t subevent, uint8_t *data, int len) |
| { |
| #if MYNEWT_VAL(BLE_EXT_ADV) && NIMBLE_BLE_SCAN |
| ble_gap_rx_le_scan_timeout(); |
| #endif |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_adv_set_terminated(uint8_t subevent, uint8_t *data, int len) |
| { |
| #if MYNEWT_VAL(BLE_EXT_ADV) |
| struct hci_le_adv_set_terminated evt; |
| |
| if (len < BLE_HCI_LE_SUBEV_ADV_SET_TERMINATED_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.subevent_code = data[0]; |
| evt.status = data[1]; |
| evt.adv_handle = data[2]; |
| evt.conn_handle = get_le16(data + 3); |
| evt.completed_events = data[5]; |
| |
| if (evt.status == 0) { |
| /* ignore return code as we need to terminate advertising set anyway */ |
| ble_gap_rx_conn_complete(&pend_conn_complete, evt.adv_handle); |
| } |
| ble_gap_rx_adv_set_terminated(&evt); |
| #endif |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_conn_upd_complete(uint8_t subevent, uint8_t *data, int len) |
| { |
| struct hci_le_conn_upd_complete evt; |
| |
| if (len < BLE_HCI_LE_CONN_UPD_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.subevent_code = data[0]; |
| evt.status = data[1]; |
| evt.connection_handle = get_le16(data + 2); |
| evt.conn_itvl = get_le16(data + 4); |
| evt.conn_latency = get_le16(data + 6); |
| evt.supervision_timeout = get_le16(data + 8); |
| |
| if (evt.status == 0) { |
| if (evt.conn_itvl < BLE_HCI_CONN_ITVL_MIN || |
| evt.conn_itvl > BLE_HCI_CONN_ITVL_MAX) { |
| |
| return BLE_HS_EBADDATA; |
| } |
| if (evt.conn_latency < BLE_HCI_CONN_LATENCY_MIN || |
| evt.conn_latency > BLE_HCI_CONN_LATENCY_MAX) { |
| |
| return BLE_HS_EBADDATA; |
| } |
| if (evt.supervision_timeout < BLE_HCI_CONN_SPVN_TIMEOUT_MIN || |
| evt.supervision_timeout > BLE_HCI_CONN_SPVN_TIMEOUT_MAX) { |
| |
| return BLE_HS_EBADDATA; |
| } |
| } |
| |
| ble_gap_rx_update_complete(&evt); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_lt_key_req(uint8_t subevent, uint8_t *data, int len) |
| { |
| struct hci_le_lt_key_req evt; |
| |
| if (len < BLE_HCI_LE_LT_KEY_REQ_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.subevent_code = data[0]; |
| evt.connection_handle = get_le16(data + 1); |
| evt.random_number = get_le64(data + 3); |
| evt.encrypted_diversifier = get_le16(data + 11); |
| |
| ble_sm_ltk_req_rx(&evt); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_conn_parm_req(uint8_t subevent, uint8_t *data, int len) |
| { |
| struct hci_le_conn_param_req evt; |
| |
| if (len < BLE_HCI_LE_REM_CONN_PARM_REQ_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.subevent_code = data[0]; |
| evt.connection_handle = get_le16(data + 1); |
| evt.itvl_min = get_le16(data + 3); |
| evt.itvl_max = get_le16(data + 5); |
| evt.latency = get_le16(data + 7); |
| evt.timeout = get_le16(data + 9); |
| |
| if (evt.itvl_min < BLE_HCI_CONN_ITVL_MIN || |
| evt.itvl_max > BLE_HCI_CONN_ITVL_MAX || |
| evt.itvl_min > evt.itvl_max) { |
| |
| return BLE_HS_EBADDATA; |
| } |
| if (evt.latency < BLE_HCI_CONN_LATENCY_MIN || |
| evt.latency > BLE_HCI_CONN_LATENCY_MAX) { |
| |
| return BLE_HS_EBADDATA; |
| } |
| if (evt.timeout < BLE_HCI_CONN_SPVN_TIMEOUT_MIN || |
| evt.timeout > BLE_HCI_CONN_SPVN_TIMEOUT_MAX) { |
| |
| return BLE_HS_EBADDATA; |
| } |
| |
| ble_gap_rx_param_req(&evt); |
| |
| return 0; |
| } |
| |
| static int |
| ble_hs_hci_evt_le_phy_update_complete(uint8_t subevent, uint8_t *data, int len) |
| { |
| struct hci_le_phy_upd_complete evt; |
| |
| if (len < BLE_HCI_LE_PHY_UPD_LEN) { |
| return BLE_HS_ECONTROLLER; |
| } |
| |
| evt.subevent_code = data[0]; |
| evt.status = data[1]; |
| evt.connection_handle = get_le16(data + 2); |
| evt.tx_phy = data[4]; |
| evt.rx_phy = data[5]; |
| |
| ble_gap_rx_phy_update_complete(&evt); |
| |
| return 0; |
| } |
| |
| int |
| ble_hs_hci_evt_process(uint8_t *data) |
| { |
| const struct ble_hs_hci_evt_dispatch_entry *entry; |
| uint8_t event_code; |
| uint8_t param_len; |
| int event_len; |
| int rc; |
| |
| /* Count events received */ |
| STATS_INC(ble_hs_stats, hci_event); |
| |
| /* Display to console */ |
| ble_hs_dbg_event_disp(data); |
| |
| /* Process the event */ |
| event_code = data[0]; |
| param_len = data[1]; |
| |
| event_len = param_len + 2; |
| |
| entry = ble_hs_hci_evt_dispatch_find(event_code); |
| if (entry == NULL) { |
| STATS_INC(ble_hs_stats, hci_unknown_event); |
| rc = BLE_HS_ENOTSUP; |
| } else { |
| rc = entry->cb(event_code, data, event_len); |
| } |
| |
| ble_hci_trans_buf_free(data); |
| |
| return rc; |
| } |
| |
| /** |
| * Called when a data packet is received from the controller. This function |
| * consumes the supplied mbuf, regardless of the outcome. |
| * |
| * @param om The incoming data packet, beginning with the |
| * HCI ACL data header. |
| * |
| * @return 0 on success; nonzero on failure. |
| */ |
| int |
| ble_hs_hci_evt_acl_process(struct os_mbuf *om) |
| { |
| struct hci_data_hdr hci_hdr; |
| struct ble_hs_conn *conn; |
| ble_l2cap_rx_fn *rx_cb; |
| uint16_t conn_handle; |
| int reject_cid; |
| int rc; |
| |
| rc = ble_hs_hci_util_data_hdr_strip(om, &hci_hdr); |
| if (rc != 0) { |
| goto err; |
| } |
| |
| #if (BLETEST_THROUGHPUT_TEST == 0) |
| #if !BLE_MONITOR |
| BLE_HS_LOG(DEBUG, "ble_hs_hci_evt_acl_process(): conn_handle=%u pb=%x " |
| "len=%u data=", |
| BLE_HCI_DATA_HANDLE(hci_hdr.hdh_handle_pb_bc), |
| BLE_HCI_DATA_PB(hci_hdr.hdh_handle_pb_bc), |
| hci_hdr.hdh_len); |
| ble_hs_log_mbuf(om); |
| BLE_HS_LOG(DEBUG, "\n"); |
| #endif |
| #endif |
| |
| if (hci_hdr.hdh_len != OS_MBUF_PKTHDR(om)->omp_len) { |
| rc = BLE_HS_EBADDATA; |
| goto err; |
| } |
| |
| conn_handle = BLE_HCI_DATA_HANDLE(hci_hdr.hdh_handle_pb_bc); |
| |
| ble_hs_lock(); |
| |
| conn = ble_hs_conn_find(conn_handle); |
| if (conn == NULL) { |
| /* Peer not connected; quietly discard packet. */ |
| rc = BLE_HS_ENOTCONN; |
| reject_cid = -1; |
| } else { |
| /* Forward ACL data to L2CAP. */ |
| rc = ble_l2cap_rx(conn, &hci_hdr, om, &rx_cb, &reject_cid); |
| om = NULL; |
| } |
| |
| ble_hs_unlock(); |
| |
| switch (rc) { |
| case 0: |
| /* Final fragment received. */ |
| BLE_HS_DBG_ASSERT(rx_cb != NULL); |
| rc = rx_cb(conn->bhc_rx_chan); |
| ble_l2cap_remove_rx(conn, conn->bhc_rx_chan); |
| break; |
| |
| case BLE_HS_EAGAIN: |
| /* More fragments on the way. */ |
| break; |
| |
| default: |
| if (reject_cid != -1) { |
| ble_l2cap_sig_reject_invalid_cid_tx(conn_handle, 0, 0, reject_cid); |
| } |
| goto err; |
| } |
| |
| return 0; |
| |
| err: |
| os_mbuf_free_chain(om); |
| return rc; |
| } |
