1 /* 2 * Copyright (c) 2017-2021 Nordic Semiconductor ASA 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 struct lll_adv_iso_stream { 8 /* Associated BIG Handle */ 9 uint8_t big_handle; 10 struct ll_iso_datapath *dp; 11 12 /* Transmission queue */ 13 MEMQ_DECLARE(tx); 14 memq_link_t link_tx; 15 memq_link_t *link_tx_free; 16 17 /* Downstream last packet sequence number */ 18 uint16_t pkt_seq_num; 19 }; 20 21 struct lll_adv_iso_data_chan { 22 uint16_t prn_s; 23 uint16_t remap_idx; 24 }; 25 26 struct lll_adv_iso_data_chan_interleaved { 27 uint16_t prn_s; 28 uint16_t remap_idx; 29 uint16_t id; 30 }; 31 32 struct lll_adv_iso { 33 struct lll_hdr hdr; 34 struct lll_adv *adv; 35 36 uint8_t seed_access_addr[4]; 37 uint8_t base_crc_init[2]; 38 uint16_t latency_prepare; 39 uint16_t latency_event; 40 union { 41 struct lll_adv_iso_data_chan data_chan; 42 43 #if defined(CONFIG_BT_CTLR_ADV_ISO_INTERLEAVED) 44 struct lll_adv_iso_data_chan_interleaved 45 interleaved_data_chan[BT_CTLR_ADV_ISO_STREAM_MAX]; 46 #endif /* CONFIG_BT_CTLR_ADV_ISO_INTERLEAVED */ 47 }; 48 uint8_t next_chan_use; 49 50 uint64_t payload_count:39; 51 uint64_t enc:1; 52 uint64_t framing:1; 53 uint64_t handle:8; 54 uint64_t cssn:3; 55 uint32_t iso_interval:12; 56 57 uint8_t data_chan_map[PDU_CHANNEL_MAP_SIZE]; 58 uint8_t data_chan_count:6; 59 uint8_t num_bis:5; 60 uint8_t bn:3; 61 uint8_t nse:5; 62 uint8_t phy:3; 63 64 uint32_t sub_interval:20; 65 uint32_t max_pdu:8; 66 uint32_t pto:4; 67 68 uint32_t bis_spacing:20; 69 uint32_t max_sdu:8; 70 uint32_t irc:4; 71 72 uint32_t sdu_interval:20; 73 uint32_t irc_curr:4; 74 uint32_t ptc_curr:4; 75 uint32_t ptc:4; 76 77 uint8_t bn_curr:3; 78 uint8_t bis_curr:5; 79 80 uint8_t phy_flags:1; 81 82 #define CHM_STATE_MASK BIT_MASK(2U) 83 #define CHM_STATE_REQ BIT(0U) 84 #define CHM_STATE_SEND BIT(1U) 85 uint8_t volatile chm_ack; 86 uint8_t chm_req; 87 uint8_t chm_chan_map[PDU_CHANNEL_MAP_SIZE]; 88 uint8_t chm_chan_count:6; 89 90 uint8_t term_req:1; 91 uint8_t term_ack:1; 92 uint8_t term_reason; 93 94 uint8_t ctrl_expire; 95 uint16_t ctrl_instant; 96 97 /* Encryption */ 98 uint8_t giv[8]; 99 struct ccm ccm_tx; 100 101 #if defined(CONFIG_BT_TICKER_EXT_EXPIRE_INFO) 102 /* contains the offset in ticks from the adv_sync pointing to this ISO */ 103 uint32_t ticks_sync_pdu_offset; 104 uint16_t iso_lazy; 105 #endif /* CONFIG_BT_TICKER_EXT_EXPIRE_INFO */ 106 107 uint16_t stream_handle[BT_CTLR_ADV_ISO_STREAM_MAX]; 108 109 #if defined(HAL_RADIO_GPIO_HAVE_PA_PIN) 110 uint16_t pa_iss_us; 111 #endif /* HAL_RADIO_GPIO_HAVE_PA_PIN */ 112 }; 113 114 struct lll_adv_sync { 115 struct lll_hdr hdr; 116 struct lll_adv *adv; 117 118 uint8_t access_addr[4]; 119 uint8_t crc_init[3]; 120 121 uint16_t latency_prepare; 122 uint16_t latency_event; 123 uint16_t event_counter; 124 125 uint16_t data_chan_id; 126 struct { 127 uint8_t data_chan_map[PDU_CHANNEL_MAP_SIZE]; 128 uint8_t data_chan_count:6; 129 } chm[DOUBLE_BUFFER_SIZE]; 130 uint8_t chm_first; 131 uint8_t chm_last; 132 uint16_t chm_instant; 133 134 struct lll_adv_pdu data; 135 136 #if defined(CONFIG_BT_CTLR_ADV_PDU_LINK) 137 /* Implementation defined radio event counter to calculate chain 138 * PDU channel index. 139 */ 140 uint16_t data_chan_counter; 141 142 struct pdu_adv *last_pdu; 143 #endif /* CONFIG_BT_CTLR_ADV_PDU_LINK */ 144 145 #if defined(CONFIG_BT_TICKER_EXT_EXPIRE_INFO) 146 /* contains the offset in us from adv_aux pointing to this sync */ 147 uint32_t us_adv_sync_pdu_offset; 148 uint16_t sync_lazy; 149 #endif /* CONFIG_BT_TICKER_EXT_EXPIRE_INFO */ 150 151 #if defined(CONFIG_BT_CTLR_ADV_ISO) 152 struct lll_adv_iso *iso; 153 uint8_t volatile iso_chm_done_req; 154 uint8_t iso_chm_done_ack; 155 #endif /* CONFIG_BT_CTLR_ADV_ISO */ 156 157 #if defined(CONFIG_BT_CTLR_DF_ADV_CTE_TX) 158 /* This flag is used only by LLL. It holds information if CTE 159 * transmission was started by LLL. 160 */ 161 uint8_t cte_started:1; 162 #endif /* CONFIG_BT_CTLR_DF_ADV_CTE_TX */ 163 }; 164 165 struct lll_adv_aux { 166 struct lll_hdr hdr; 167 struct lll_adv *adv; 168 169 /* Implementation defined radio event counter to calculate auxiliary 170 * PDU channel index. 171 */ 172 uint16_t data_chan_counter; 173 174 /* Store used by primary channel PDU event to fill the 175 * auxiliary offset to this auxiliary PDU event. 176 */ 177 uint32_t ticks_pri_pdu_offset; 178 uint32_t us_pri_pdu_offset; 179 180 struct lll_adv_pdu data; 181 #if defined(CONFIG_BT_CTLR_ADV_PDU_LINK) 182 struct pdu_adv *last_pdu; 183 #endif /* CONFIG_BT_CTLR_ADV_PDU_LINK */ 184 }; 185 186 struct lll_adv { 187 struct lll_hdr hdr; 188 189 #if defined(CONFIG_BT_PERIPHERAL) 190 /* NOTE: conn context SHALL be after lll_hdr, 191 * check ull_conn_setup how it access the connection LLL 192 * context. 193 */ 194 struct lll_conn *conn; 195 uint8_t is_hdcd:1; 196 #endif /* CONFIG_BT_PERIPHERAL */ 197 198 uint8_t chan_map:3; 199 uint8_t chan_map_curr:3; 200 uint8_t filter_policy:2; 201 202 #if defined(CONFIG_BT_CTLR_ADV_EXT) 203 uint8_t phy_p:3; 204 uint8_t phy_s:3; 205 uint8_t phy_flags:1; 206 #endif /* CONFIG_BT_CTLR_ADV_EXT */ 207 208 #if defined(CONFIG_BT_CTLR_SCAN_REQ_NOTIFY) 209 uint8_t scan_req_notify:1; 210 #endif 211 212 #if defined(CONFIG_BT_HCI_MESH_EXT) 213 uint8_t is_mesh:1; 214 #endif /* CONFIG_BT_HCI_MESH_EXT */ 215 216 #if defined(CONFIG_BT_CTLR_PRIVACY) 217 uint8_t rl_idx; 218 #endif /* CONFIG_BT_CTLR_PRIVACY */ 219 220 struct lll_adv_pdu adv_data; 221 struct lll_adv_pdu scan_rsp; 222 223 #if defined(CONFIG_BT_CTLR_ADV_EXT) 224 struct node_rx_pdu *node_rx_adv_term; 225 struct lll_adv_aux *aux; 226 227 #if defined(CONFIG_BT_CTLR_ADV_PERIODIC) 228 struct lll_adv_sync *sync; 229 #endif /* CONFIG_BT_CTLR_ADV_PERIODIC */ 230 #endif /* CONFIG_BT_CTLR_ADV_EXT */ 231 232 #if defined(CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL) 233 int8_t tx_pwr_lvl; 234 #endif /* CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL */ 235 }; 236 237 int lll_adv_init(void); 238 int lll_adv_reset(void); 239 void lll_adv_prepare(void *param); 240 241 extern uint16_t ull_adv_lll_handle_get(struct lll_adv *lll); 242
