/* * 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. */ #ifndef H_BLE_LL_CONN_PRIV_ #define H_BLE_LL_CONN_PRIV_ #include "controller/ble_ll_conn.h" #include "controller/ble_ll_hci.h" #ifdef __cplusplus extern "C" { #endif /* * Definitions for min/max RX/TX time/bytes values allowed for connections. * Source: Core 5.0 specification, Vol 6, Part B, section 4.5.10 */ #define BLE_LL_CONN_SUPP_TIME_MIN (328) /* usecs */ #define BLE_LL_CONN_SUPP_TIME_MAX (17040) /* usecs */ #define BLE_LL_CONN_SUPP_TIME_MIN_UNCODED (328) /* usecs */ #define BLE_LL_CONN_SUPP_TIME_MAX_UNCODED (2120) /* usecs */ #define BLE_LL_CONN_SUPP_TIME_MIN_CODED (2704) /* usecs */ #define BLE_LL_CONN_SUPP_TIME_MAX_CODED (17040) /* usecs */ #define BLE_LL_CONN_SUPP_BYTES_MIN (27) /* bytes */ #define BLE_LL_CONN_SUPP_BYTES_MAX (251) /* bytes */ /* Connection event timing */ #define BLE_LL_CONN_INITIAL_OFFSET (1250) #define BLE_LL_CONN_ITVL_USECS (1250) #define BLE_LL_CONN_TX_WIN_USECS (1250) #define BLE_LL_CONN_TX_OFF_USECS (1250) #define BLE_LL_CONN_CE_USECS (625) #define BLE_LL_CONN_TX_WIN_MIN (1) /* in tx win units */ #define BLE_LL_CONN_SLAVE_LATENCY_MAX (499) /* Connection handle range */ #define BLE_LL_CONN_MAX_CONN_HANDLE (0x0EFF) /* Offset (in bytes) of advertising address in connect request */ #define BLE_LL_CONN_REQ_ADVA_OFF (BLE_LL_PDU_HDR_LEN + BLE_DEV_ADDR_LEN) /* Default authenticated payload timeout (30 seconds; in 10 msecs increments) */ #define BLE_LL_CONN_DEF_AUTH_PYLD_TMO (3000) #define BLE_LL_CONN_AUTH_PYLD_OS_TMO(x) ble_npl_time_ms_to_ticks32((x) * 10) /* Global Link Layer connection parameters */ struct ble_ll_conn_global_params { uint8_t master_chan_map[BLE_LL_CONN_CHMAP_LEN]; uint8_t num_used_chans; uint8_t supp_max_tx_octets; uint8_t supp_max_rx_octets; uint8_t conn_init_max_tx_octets; uint8_t sugg_tx_octets; uint16_t sugg_tx_time; uint16_t conn_init_max_tx_time; uint16_t conn_init_max_tx_time_uncoded; uint16_t conn_init_max_tx_time_coded; uint16_t supp_max_tx_time; uint16_t supp_max_rx_time; }; extern struct ble_ll_conn_global_params g_ble_ll_conn_params; #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_TRANSFER) struct ble_ll_conn_sync_transfer_params { uint32_t sync_timeout_us; uint16_t max_skip; uint8_t mode; }; extern struct ble_ll_conn_sync_transfer_params g_ble_ll_conn_sync_transfer_params; #endif /* Some data structures used by other LL routines */ SLIST_HEAD(ble_ll_conn_active_list, ble_ll_conn_sm); STAILQ_HEAD(ble_ll_conn_free_list, ble_ll_conn_sm); extern struct ble_ll_conn_active_list g_ble_ll_conn_active_list; extern struct ble_ll_conn_free_list g_ble_ll_conn_free_list; /* Pointer to connection state machine we are trying to create */ extern struct ble_ll_conn_sm *g_ble_ll_conn_create_sm; /* Generic interface */ struct ble_ll_len_req; struct ble_mbuf_hdr; struct ble_ll_adv_sm; struct hci_create_conn { uint16_t scan_itvl; uint16_t scan_window; uint8_t filter_policy; uint8_t peer_addr_type; uint8_t peer_addr[BLE_DEV_ADDR_LEN]; uint8_t own_addr_type; uint16_t conn_itvl_min; uint16_t conn_itvl_max; uint16_t conn_latency; uint16_t supervision_timeout; uint16_t min_ce_len; uint16_t max_ce_len; }; void ble_ll_conn_sm_new(struct ble_ll_conn_sm *connsm); void ble_ll_conn_end(struct ble_ll_conn_sm *connsm, uint8_t ble_err); void ble_ll_conn_enqueue_pkt(struct ble_ll_conn_sm *connsm, struct os_mbuf *om, uint8_t hdr_byte, uint8_t length); struct ble_ll_conn_sm *ble_ll_conn_sm_get(void); void ble_ll_conn_master_init(struct ble_ll_conn_sm *connsm, struct hci_create_conn *hcc); #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV) void ble_ll_conn_ext_master_init(struct ble_ll_conn_sm *connsm, struct hci_ext_create_conn *hcc); void ble_ll_conn_ext_set_params(struct ble_ll_conn_sm *connsm, struct hci_ext_conn_params *hcc_params, int phy); #endif struct ble_ll_conn_sm *ble_ll_conn_find_active_conn(uint16_t handle); void ble_ll_conn_update_eff_data_len(struct ble_ll_conn_sm *connsm); /* Advertising interface */ int ble_ll_conn_slave_start(uint8_t *rxbuf, uint8_t pat, struct ble_mbuf_hdr *rxhdr, bool force_csa2); /* Link Layer interface */ void ble_ll_conn_module_init(void); void ble_ll_conn_set_global_chanmap(uint8_t num_used_chans, const uint8_t *chanmap); void ble_ll_conn_module_reset(void); void ble_ll_conn_tx_pkt_in(struct os_mbuf *om, uint16_t handle, uint16_t len); int ble_ll_conn_rx_isr_start(struct ble_mbuf_hdr *rxhdr, uint32_t aa); int ble_ll_conn_rx_isr_end(uint8_t *rxbuf, struct ble_mbuf_hdr *rxhdr); void ble_ll_conn_rx_data_pdu(struct os_mbuf *rxpdu, struct ble_mbuf_hdr *hdr); void ble_ll_init_rx_pkt_in(uint8_t pdu_type, uint8_t *rxbuf, struct ble_mbuf_hdr *ble_hdr); int ble_ll_init_rx_isr_start(uint8_t pdu_type, struct ble_mbuf_hdr *ble_hdr); int ble_ll_init_rx_isr_end(uint8_t *rxbuf, uint8_t crcok, struct ble_mbuf_hdr *ble_hdr); void ble_ll_conn_wfr_timer_exp(void); void ble_ll_conn_init_wfr_timer_exp(void); int ble_ll_conn_is_lru(struct ble_ll_conn_sm *s1, struct ble_ll_conn_sm *s2); uint32_t ble_ll_conn_get_ce_end_time(void); void ble_ll_conn_event_halt(void); void ble_ll_conn_reset_pending_aux_conn_rsp(void); bool ble_ll_conn_init_pending_aux_conn_rsp(void); /* HCI */ void ble_ll_disconn_comp_event_send(struct ble_ll_conn_sm *connsm, uint8_t reason); void ble_ll_auth_pyld_tmo_event_send(struct ble_ll_conn_sm *connsm); int ble_ll_conn_hci_disconnect_cmd(const struct ble_hci_lc_disconnect_cp *cmd); int ble_ll_conn_hci_rd_rem_ver_cmd(const uint8_t *cmdbuf, uint8_t len); int ble_ll_conn_create(const uint8_t *cmdbuf, uint8_t len); int ble_ll_conn_hci_update(const uint8_t *cmdbuf, uint8_t len); int ble_ll_conn_hci_set_chan_class(const uint8_t *cmdbuf, uint8_t len); int ble_ll_conn_hci_param_rr(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_hci_param_nrr(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_create_cancel(ble_ll_hci_post_cmd_complete_cb *post_cmd_cb); void ble_ll_conn_num_comp_pkts_event_send(struct ble_ll_conn_sm *connsm); void ble_ll_conn_comp_event_send(struct ble_ll_conn_sm *connsm, uint8_t status, uint8_t *evbuf, struct ble_ll_adv_sm *advsm); void ble_ll_conn_timeout(struct ble_ll_conn_sm *connsm, uint8_t ble_err); int ble_ll_conn_hci_chk_conn_params(uint16_t itvl_min, uint16_t itvl_max, uint16_t latency, uint16_t spvn_tmo); int ble_ll_conn_hci_read_rem_features(const uint8_t *cmdbuf, uint8_t len); int ble_ll_conn_hci_rd_rssi(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_hci_rd_chan_map(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_hci_set_data_len(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_hci_le_start_encrypt(const uint8_t *cmdbuf, uint8_t len); int ble_ll_conn_hci_le_ltk_reply(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_hci_le_ltk_neg_reply(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_hci_wr_auth_pyld_tmo(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_conn_hci_rd_auth_pyld_tmo(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_SCA_UPDATE) int ble_ll_conn_req_peer_sca(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); #endif #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_PING) void ble_ll_conn_auth_pyld_timer_start(struct ble_ll_conn_sm *connsm); #else #define ble_ll_conn_auth_pyld_timer_start(x) #endif #if MYNEWT_VAL(BLE_LL_CFG_FEAT_CTRL_TO_HOST_FLOW_CONTROL) void ble_ll_conn_cth_flow_set_buffers(uint16_t num_buffers); bool ble_ll_conn_cth_flow_enable(bool enabled); void ble_ll_conn_cth_flow_process_cmd(const uint8_t *cmdbuf); #endif int ble_ll_hci_cmd_rx(uint8_t *cmd, void *arg); int ble_ll_hci_acl_rx(struct os_mbuf *om, void *arg); int ble_ll_conn_hci_le_rd_phy(const uint8_t *cmdbuf, uint8_t len, uint8_t *rsp, uint8_t *rsplen); int ble_ll_conn_hci_le_set_phy(const uint8_t *cmdbuf, uint8_t len); int ble_ll_conn_chk_phy_upd_start(struct ble_ll_conn_sm *connsm); #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV) int ble_ll_ext_conn_create(const uint8_t *cmdbuf, uint8_t cmdlen); #endif #if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_TRANSFER) int ble_ll_set_sync_transfer_params(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf, uint8_t *rsplen); int ble_ll_set_default_sync_transfer_params(const uint8_t *cmdbuf, uint8_t len); #endif #ifdef __cplusplus } #endif #endif /* H_BLE_LL_CONN_PRIV_ */