1 /* 2 * Copyright (c) 2018-2019 Nordic Semiconductor ASA 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 struct lll_scan { 8 struct lll_hdr hdr; 9 10 #if defined(CONFIG_BT_CENTRAL) 11 /* NOTE: conn context SHALL be after lll_hdr, 12 * check ull_conn_setup how it access the connection LLL 13 * context. 14 */ 15 struct lll_conn *volatile conn; 16 17 uint8_t adv_addr[BDADDR_SIZE]; 18 uint32_t conn_win_offset_us; 19 uint16_t conn_timeout; 20 #endif /* CONFIG_BT_CENTRAL */ 21 22 uint8_t state:1; 23 uint8_t chan:2; 24 uint8_t filter_policy:2; 25 uint8_t type:1; 26 uint8_t init_addr_type:1; 27 uint8_t is_stop:1; 28 29 #if defined(CONFIG_BT_CTLR_ADV_EXT) 30 /* Reference to aux context when scanning auxiliary PDU */ 31 struct lll_scan_aux *lll_aux; 32 33 uint16_t duration_reload; 34 uint16_t duration_expire; 35 uint8_t phy:3; 36 uint8_t is_adv_ind:1; 37 uint8_t is_aux_sched:1; 38 #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC) 39 uint8_t is_sync:1; 40 #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC */ 41 #endif /* CONFIG_BT_CTLR_ADV_EXT */ 42 43 #if defined(CONFIG_BT_CENTRAL) 44 uint8_t adv_addr_type:1; 45 #endif /* CONFIG_BT_CENTRAL */ 46 47 #if defined(CONFIG_BT_CTLR_PRIVACY) 48 uint8_t rpa_gen:1; 49 /* initiator only */ 50 uint8_t rl_idx; 51 #endif /* CONFIG_BT_CTLR_PRIVACY */ 52 53 uint8_t init_addr[BDADDR_SIZE]; 54 55 uint16_t interval; 56 uint32_t ticks_window; 57 58 #if defined(CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL) 59 int8_t tx_pwr_lvl; 60 #endif /* CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL */ 61 }; 62 63 struct lll_scan_aux { 64 struct lll_hdr hdr; 65 66 uint8_t chan:6; 67 uint8_t state:1; 68 uint8_t is_chain_sched:1; 69 70 uint8_t phy:3; 71 72 uint32_t window_size_us; 73 74 #if defined(CONFIG_BT_CENTRAL) 75 struct node_rx_pdu *node_conn_rx; 76 #endif /* CONFIG_BT_CENTRAL */ 77 }; 78 79 80 /* Define to check if filter is enabled and in addition if it is Extended Scan 81 * Filtering. 82 */ 83 #define SCAN_FP_FILTER BIT(0) 84 #define SCAN_FP_EXT BIT(1) 85 86 int lll_scan_init(void); 87 int lll_scan_reset(void); 88 89 void lll_scan_prepare(void *param); 90 91 extern uint8_t ull_scan_lll_handle_get(struct lll_scan *lll); 92 extern struct lll_scan *ull_scan_lll_is_valid_get(struct lll_scan *lll); 93 extern struct lll_scan_aux *ull_scan_aux_lll_is_valid_get(struct lll_scan_aux *lll); 94
