a5fb434705
Fix any stray Extended Auxiliary PDU from being scanned when disabling Extended Scanning. Updated Extended Scan disable implementation to find any active auxiliary scan context and stop them. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/*
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* Copyright (c) 2018-2019 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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/* NOTE: Definitions used internal to ULL implementations */
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#define SCAN_HANDLE_1M 0
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#define SCAN_HANDLE_PHY_CODED 1
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#define EXT_SCAN_DURATION_UNIT_US 10000U
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#define EXT_SCAN_PERIOD_UNIT_US 1280000U
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/* Convert period in 1.28 s units to duration of 10 ms units*/
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#define ULL_SCAN_PERIOD_TO_DURATION(period) \
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((uint32_t)(period) * EXT_SCAN_PERIOD_UNIT_US / \
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EXT_SCAN_DURATION_UNIT_US)
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/* Convert duration in 10 ms unit to radio events count */
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#define ULL_SCAN_DURATION_TO_EVENTS(duration, interval) \
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(((uint32_t)(duration) * EXT_SCAN_DURATION_UNIT_US / \
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SCAN_INT_UNIT_US) / (interval))
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/* Convert period in 1.28 s unit to radio events count */
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#define ULL_SCAN_PERIOD_TO_EVENTS(period, interval) \
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(((uint32_t)(period) * EXT_SCAN_PERIOD_UNIT_US / \
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SCAN_INT_UNIT_US) / (interval))
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int ull_scan_init(void);
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int ull_scan_reset(void);
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/* Set scan parameters */
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void ull_scan_params_set(struct lll_scan *lll, uint8_t type, uint16_t interval,
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uint16_t window, uint8_t filter_policy);
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/* Enable and start scanning/initiating role */
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uint8_t ull_scan_enable(struct ll_scan_set *scan);
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/* Disable scanning/initiating role */
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uint8_t ull_scan_disable(uint8_t handle, struct ll_scan_set *scan);
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/* Helper function to handle scan done events */
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void ull_scan_done(struct node_rx_event_done *done);
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/* Helper function to dequeue scan timeout event */
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void ull_scan_term_dequeue(uint8_t handle);
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/* Return ll_scan_set context (unconditional) */
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struct ll_scan_set *ull_scan_set_get(uint8_t handle);
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/* Return the scan set handle given the scan set instance */
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uint8_t ull_scan_handle_get(struct ll_scan_set *scan);
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/* Helper function to check and return if a valid scan context */
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struct ll_scan_set *ull_scan_is_valid_get(struct ll_scan_set *scan);
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/* Return ll_scan_set context if enabled */
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struct ll_scan_set *ull_scan_is_enabled_get(uint8_t handle);
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/* Return ll_scan_set contesst if disabled */
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struct ll_scan_set *ull_scan_is_disabled_get(uint8_t handle);
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/* Return flags if enabled */
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#define ULL_SCAN_IS_PASSIVE BIT(0)
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#define ULL_SCAN_IS_ACTIVE BIT(1)
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#define ULL_SCAN_IS_INITIATOR BIT(2)
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#define ULL_SCAN_IS_SYNC BIT(3)
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uint32_t ull_scan_is_enabled(uint8_t handle);
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/* Return filter policy used */
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uint32_t ull_scan_filter_pol_get(uint8_t handle);
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int ull_scan_aux_init(void);
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int ull_scan_aux_reset(void);
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/* Helper to setup scanning on auxiliary channel */
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void ull_scan_aux_setup(memq_link_t *link, struct node_rx_hdr *rx);
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/* Helper to clean up auxiliary channel scanning */
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void ull_scan_aux_done(struct node_rx_event_done *done);
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/* Return the scan aux set instance given the handle */
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struct ll_scan_aux_set *ull_scan_aux_set_get(uint8_t handle);
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/* Helper function to check and return if a valid aux scan context */
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struct ll_scan_aux_set *ull_scan_aux_is_valid_get(struct ll_scan_aux_set *aux);
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/* Helper function to flush and release incomplete auxiliary PDU chaining */
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void ull_scan_aux_release(memq_link_t *link, struct node_rx_hdr *rx);
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/* Helper function to stop auxiliary scan context */
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int ull_scan_aux_stop(struct ll_scan_aux_set *aux);
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