mirror of
https://github.com/zephyrproject-rtos/zephyr
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92a942257d
Fix Extended Advertising Data population when there is no Extended Header to be filled. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/*
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* Copyright (c) 2017-2020 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define ULL_ADV_RANDOM_DELAY HAL_TICKER_US_TO_TICKS(10000)
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/* Bitmask value returned by ull_adv_is_enabled() */
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#define ULL_ADV_ENABLED_BITMASK_ENABLED BIT(0)
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/* Helper functions to initialise and reset ull_adv module */
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int ull_adv_init(void);
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int ull_adv_reset(void);
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int ull_adv_reset_finalize(void);
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/* Return ll_adv_set context (unconditional) */
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struct ll_adv_set *ull_adv_set_get(uint8_t handle);
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/* Return the adv set handle given the adv set instance */
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uint16_t ull_adv_handle_get(struct ll_adv_set *adv);
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/* Return ll_adv_set context if enabled */
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struct ll_adv_set *ull_adv_is_enabled_get(uint8_t handle);
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/* Return enabled status of a set */
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int ull_adv_is_enabled(uint8_t handle);
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/* Return filter policy used */
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uint32_t ull_adv_filter_pol_get(uint8_t handle);
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/* Return ll_adv_set context if created */
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struct ll_adv_set *ull_adv_is_created_get(uint8_t handle);
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/* Helper function to construct AD data */
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uint8_t ull_adv_data_set(struct ll_adv_set *adv, uint8_t len,
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uint8_t const *const data);
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/* Helper function to construct SR data */
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uint8_t ull_scan_rsp_set(struct ll_adv_set *adv, uint8_t len,
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uint8_t const *const data);
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#if defined(CONFIG_BT_CTLR_ADV_EXT)
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#define ULL_ADV_PDU_HDR_FIELD_ADVA BIT(0)
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#define ULL_ADV_PDU_HDR_FIELD_SYNC_INFO BIT(5)
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#define ULL_ADV_PDU_HDR_FIELD_AD_DATA BIT(8)
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/* helper function to handle adv done events */
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void ull_adv_done(struct node_rx_event_done *done);
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/* Helper functions to initialise and reset ull_adv_aux module */
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int ull_adv_aux_init(void);
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int ull_adv_aux_reset(void);
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/* Helper to read back random address */
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uint8_t const *ll_adv_aux_random_addr_get(struct ll_adv_set const *const adv,
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uint8_t *const addr);
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/* helper function to initialize event timings */
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uint32_t ull_adv_aux_evt_init(struct ll_adv_aux_set *aux);
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/* helper function to start auxiliary advertising */
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uint32_t ull_adv_aux_start(struct ll_adv_aux_set *aux, uint32_t ticks_anchor,
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uint32_t ticks_slot_overhead);
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/* helper function to stop auxiliary advertising */
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uint8_t ull_adv_aux_stop(struct ll_adv_aux_set *aux);
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/* helper function to acquire and initialize auxiliary advertising instance */
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struct ll_adv_aux_set *ull_adv_aux_acquire(struct lll_adv *lll);
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/* helper function to release auxiliary advertising instance */
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void ull_adv_aux_release(struct ll_adv_aux_set *aux);
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/* helper function to schedule a mayfly to get aux offset */
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void ull_adv_aux_offset_get(struct ll_adv_set *adv);
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/* helper function to set/clear common extended header format fields */
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uint8_t ull_adv_aux_hdr_set_clear(struct ll_adv_set *adv,
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uint16_t sec_hdr_add_fields,
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uint16_t sec_hdr_rem_fields,
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void *value,
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struct pdu_adv_adi *adi,
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uint8_t *pri_idx);
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/* helper function to calculate common ext adv payload header length and
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* adjust the data pointer.
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* NOTE: This function reverts the header data pointer if there is no
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* header fields flags set, and hence no header fields have been
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* populated.
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*/
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static inline uint8_t
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ull_adv_aux_hdr_len_calc(struct pdu_adv_com_ext_adv *com_hdr, uint8_t **dptr)
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{
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uint8_t len;
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len = *dptr - (uint8_t *)com_hdr;
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if (len <= (offsetof(struct pdu_adv_com_ext_adv, ext_hdr_adi_adv_data) +
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sizeof(struct pdu_adv_hdr))) {
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len = offsetof(struct pdu_adv_com_ext_adv,
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ext_hdr_adi_adv_data);
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*dptr = (uint8_t *)com_hdr + len;
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}
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return len;
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}
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/* helper function to fill common ext adv payload header length */
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static inline void
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ull_adv_aux_hdr_len_fill(struct pdu_adv_com_ext_adv *com_hdr, uint8_t len)
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{
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com_hdr->ext_hdr_len = len - offsetof(struct pdu_adv_com_ext_adv,
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ext_hdr_adi_adv_data);
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}
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/* helper function to fill the aux ptr structure in common ext adv payload */
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void ull_adv_aux_ptr_fill(uint8_t **dptr, uint8_t phy_s);
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#if defined(CONFIG_BT_CTLR_ADV_PERIODIC)
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int ull_adv_sync_init(void);
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int ull_adv_sync_reset(void);
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/* helper function to start periodic advertising */
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uint32_t ull_adv_sync_start(struct ll_adv_sync_set *sync,
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uint32_t ticks_anchor);
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/* helper function to schedule a mayfly to get sync offset */
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void ull_adv_sync_offset_get(struct ll_adv_set *adv);
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#endif /* CONFIG_BT_CTLR_ADV_PERIODIC */
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#endif /* CONFIG_BT_CTLR_ADV_EXT */
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