| /* |
| * 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 <assert.h> |
| #include <string.h> |
| #include "syscfg/syscfg.h" |
| #include "nimble/ble.h" |
| #include "nimble/hci_common.h" |
| #include "nimble/ble_hci_trans.h" |
| #include "controller/ble_ll.h" |
| #include "controller/ble_ll_hci.h" |
| #include "controller/ble_ll_ctrl.h" |
| #include "ble_ll_conn_priv.h" |
| |
| #if (BLETEST_CONCURRENT_CONN_TEST == 1) |
| extern void bletest_ltk_req_reply(uint16_t handle); |
| #endif |
| |
| /** |
| * Send a data length change event for a connection to the host. |
| * |
| * @param connsm Pointer to connection state machine |
| */ |
| void |
| ble_ll_hci_ev_datalen_chg(struct ble_ll_conn_sm *connsm) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_DATA_LEN_CHG)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_DATA_LEN_CHG_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_DATA_LEN_CHG; |
| put_le16(evbuf + 3, connsm->conn_handle); |
| put_le16(evbuf + 5, connsm->eff_max_tx_octets); |
| put_le16(evbuf + 7, connsm->eff_max_tx_time); |
| put_le16(evbuf + 9, connsm->eff_max_rx_octets); |
| put_le16(evbuf + 11, connsm->eff_max_rx_time); |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| |
| /** |
| * Send a connection parameter request event for a connection to the host. |
| * |
| * @param connsm Pointer to connection state machine |
| */ |
| void |
| ble_ll_hci_ev_rem_conn_parm_req(struct ble_ll_conn_sm *connsm, |
| struct ble_ll_conn_params *cp) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_REM_CONN_PARM_REQ)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_REM_CONN_PARM_REQ_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_REM_CONN_PARM_REQ; |
| put_le16(evbuf + 3, connsm->conn_handle); |
| put_le16(evbuf + 5, cp->interval_min); |
| put_le16(evbuf + 7, cp->interval_max); |
| put_le16(evbuf + 9, cp->latency); |
| put_le16(evbuf + 11, cp->timeout); |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| |
| /** |
| * Send a connection update event. |
| * |
| * @param connsm Pointer to connection state machine |
| * @param status The error code. |
| */ |
| void |
| ble_ll_hci_ev_conn_update(struct ble_ll_conn_sm *connsm, uint8_t status) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_CONN_UPD_COMPLETE)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_CONN_UPD_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_CONN_UPD_COMPLETE; |
| evbuf[3] = status; |
| put_le16(evbuf + 4, connsm->conn_handle); |
| put_le16(evbuf + 6, connsm->conn_itvl); |
| put_le16(evbuf + 8, connsm->slave_latency); |
| put_le16(evbuf + 10, connsm->supervision_tmo); |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| |
| #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_ENCRYPTION) == 1) |
| void |
| ble_ll_hci_ev_encrypt_chg(struct ble_ll_conn_sm *connsm, uint8_t status) |
| { |
| uint8_t evcode; |
| uint8_t *evbuf; |
| uint8_t evlen; |
| |
| if (CONN_F_ENC_CHANGE_SENT(connsm) == 0) { |
| evcode = BLE_HCI_EVCODE_ENCRYPT_CHG; |
| evlen = BLE_HCI_EVENT_ENCRYPT_CHG_LEN; |
| } else { |
| evcode = BLE_HCI_EVCODE_ENC_KEY_REFRESH; |
| evlen = BLE_HCI_EVENT_ENC_KEY_REFRESH_LEN; |
| } |
| |
| if (ble_ll_hci_is_event_enabled(evcode)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = evcode; |
| evbuf[1] = evlen; |
| evbuf[2] = status; |
| put_le16(evbuf + 3, connsm->conn_handle); |
| if (evcode == BLE_HCI_EVCODE_ENCRYPT_CHG) { |
| if (status == BLE_ERR_SUCCESS) { |
| evbuf[5] = 0x01; |
| } else { |
| evbuf[5] = 0; |
| } |
| } |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| CONN_F_ENC_CHANGE_SENT(connsm) = 1; |
| } |
| |
| /** |
| * Send a long term key request event for a connection to the host. |
| * |
| * @param connsm Pointer to connection state machine |
| */ |
| int |
| ble_ll_hci_ev_ltk_req(struct ble_ll_conn_sm *connsm) |
| { |
| int rc; |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_LT_KEY_REQ)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_LT_KEY_REQ_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_LT_KEY_REQ; |
| put_le16(evbuf + 3, connsm->conn_handle); |
| put_le64(evbuf + 5, connsm->enc_data.host_rand_num); |
| put_le16(evbuf + 13, connsm->enc_data.enc_div); |
| ble_ll_hci_event_send(evbuf); |
| } |
| rc = 0; |
| } else { |
| rc = -1; |
| } |
| |
| #if (BLETEST_CONCURRENT_CONN_TEST == 1) |
| if (rc == 0) { |
| bletest_ltk_req_reply(connsm->conn_handle); |
| } |
| #endif |
| return rc; |
| } |
| #endif |
| |
| void |
| ble_ll_hci_ev_rd_rem_used_feat(struct ble_ll_conn_sm *connsm, uint8_t status) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_RD_REM_USED_FEAT)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_RD_REM_USED_FEAT_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_RD_REM_USED_FEAT; |
| evbuf[3] = status; |
| put_le16(evbuf + 4, connsm->conn_handle); |
| memset(evbuf + 6, 0, BLE_HCI_RD_LOC_SUPP_FEAT_RSPLEN); |
| evbuf[6] = connsm->conn_features; |
| memcpy(evbuf + 7, connsm->remote_features, 7); |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| |
| void |
| ble_ll_hci_ev_rd_rem_ver(struct ble_ll_conn_sm *connsm, uint8_t status) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_event_enabled(BLE_HCI_EVCODE_RD_REM_VER_INFO_CMP)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_RD_REM_VER_INFO_CMP; |
| evbuf[1] = BLE_HCI_EVENT_RD_RM_VER_LEN; |
| evbuf[2] = status; |
| put_le16(evbuf + 3, connsm->conn_handle); |
| evbuf[5] = connsm->vers_nr; |
| put_le16(evbuf + 6, connsm->comp_id); |
| put_le16(evbuf + 8, connsm->sub_vers_nr); |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| |
| /** |
| * Send a HW error to the host. |
| * |
| * @param hw_err |
| * |
| * @return int 0: event masked or event sent, -1 otherwise |
| */ |
| int |
| ble_ll_hci_ev_hw_err(uint8_t hw_err) |
| { |
| int rc; |
| uint8_t *evbuf; |
| |
| rc = 0; |
| if (ble_ll_hci_is_event_enabled(BLE_HCI_EVCODE_HW_ERROR)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_HW_ERROR; |
| evbuf[1] = BLE_HCI_EVENT_HW_ERROR_LEN; |
| evbuf[2] = hw_err; |
| ble_ll_hci_event_send(evbuf); |
| } else { |
| rc = -1; |
| } |
| } |
| return rc; |
| } |
| |
| void |
| ble_ll_hci_ev_databuf_overflow(void) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_event_enabled(BLE_HCI_EVCODE_DATA_BUF_OVERFLOW)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_DATA_BUF_OVERFLOW; |
| evbuf[1] = BLE_HCI_EVENT_DATABUF_OVERFLOW_LEN; |
| evbuf[2] = BLE_HCI_EVENT_ACL_BUF_OVERFLOW; |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| |
| /** |
| * Send a LE Channel Selection Algorithm event. |
| * |
| * @param connsm Pointer to connection state machine |
| */ |
| #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_CSA2) == 1) |
| void |
| ble_ll_hci_ev_le_csa(struct ble_ll_conn_sm *connsm) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_CHAN_SEL_ALG)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_SUBEV_CHAN_SEL_ALG_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_CHAN_SEL_ALG; |
| put_le16(evbuf + 3, connsm->conn_handle); |
| evbuf[5] = connsm->csmflags.cfbit.csa2_supp ? 0x01 : 0x00; |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| #endif |
| |
| /** |
| * Sends the LE Scan Request Received event |
| * |
| */ |
| #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV) |
| void |
| ble_ll_hci_ev_send_scan_req_recv(uint8_t adv_handle, const uint8_t *peer, |
| uint8_t peer_addr_type) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_SCAN_REQ_RCVD)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_SUBEV_SCAN_REQ_RCVD_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_SCAN_REQ_RCVD; |
| evbuf[3] = adv_handle; |
| evbuf[4] = peer_addr_type; |
| memcpy(&evbuf[5], peer, BLE_DEV_ADDR_LEN); |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| #endif |
| |
| /** |
| * Sends the LE Scan Timeout Event |
| * |
| */ |
| #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV) |
| void |
| ble_ll_hci_ev_send_scan_timeout(void) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_SCAN_TIMEOUT)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_SUBEV_SCAN_TIMEOUT_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_SCAN_TIMEOUT; |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| #endif |
| |
| /** |
| * Sends the LE Advertising Set Terminated event |
| * |
| */ |
| #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV) |
| void |
| ble_ll_hci_ev_send_adv_set_terminated(uint8_t status, uint8_t adv_handle, |
| uint16_t conn_handle, uint8_t events) |
| { |
| uint8_t *evbuf; |
| |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_ADV_SET_TERMINATED)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_SUBEV_ADV_SET_TERMINATED_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_ADV_SET_TERMINATED; |
| evbuf[3] = status; |
| evbuf[4] = adv_handle; |
| put_le16(evbuf + 5, conn_handle); |
| evbuf[7] = events; |
| ble_ll_hci_event_send(evbuf); |
| } |
| } |
| } |
| #endif |
| |
| /** |
| * Send a PHY update complete event |
| * |
| * @param connsm Pointer to connection state machine |
| * @param status error status of event |
| */ |
| #if (BLE_LL_BT5_PHY_SUPPORTED == 1) |
| int |
| ble_ll_hci_ev_phy_update(struct ble_ll_conn_sm *connsm, uint8_t status) |
| { |
| int rc; |
| uint8_t *evbuf; |
| |
| rc = 0; |
| if (ble_ll_hci_is_le_event_enabled(BLE_HCI_LE_SUBEV_PHY_UPDATE_COMPLETE)) { |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (evbuf) { |
| evbuf[0] = BLE_HCI_EVCODE_LE_META; |
| evbuf[1] = BLE_HCI_LE_PHY_UPD_LEN; |
| evbuf[2] = BLE_HCI_LE_SUBEV_PHY_UPDATE_COMPLETE; |
| evbuf[3] = status; |
| put_le16(evbuf + 4, connsm->conn_handle); |
| evbuf[6] = connsm->phy_data.cur_tx_phy; |
| evbuf[7] = connsm->phy_data.cur_rx_phy; |
| ble_ll_hci_event_send(evbuf); |
| } else { |
| rc = BLE_ERR_MEM_CAPACITY; |
| } |
| } |
| return rc; |
| } |
| #endif |
| |
| void |
| ble_ll_hci_ev_send_vendor_err(char *file, uint32_t line) |
| { |
| uint8_t *evbuf; |
| uint8_t file_len = strlen(file); |
| |
| evbuf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI); |
| if (!evbuf) { |
| return; |
| } |
| |
| evbuf[0] = BLE_HCI_EVCODE_VENDOR_DEBUG; |
| evbuf[1] = file_len + sizeof(line) + 1; |
| /* Debug id for future use */ |
| evbuf[2] = 0x00; |
| memcpy(&evbuf[3], file, file_len); |
| put_le32(&evbuf[3] + file_len, line); |
| ble_ll_hci_event_send(evbuf); |
| } |
