092f808ea4
The `brg_cfg` module implements the states needed for subnet bridge feature. It provides two states - enable state, and bridging table state. APIs are provided to access and modify the states. The module handles responsibility of persistence of the states. Signed-off-by: Omkar Kulkarni <omkar.kulkarni@nordicsemi.no>
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
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* Copyright (c) 2024 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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#ifndef ZEPHYR_SUBSYS_BLUETOOTH_MESH_BRG_CFG_H_
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#define ZEPHYR_SUBSYS_BLUETOOTH_MESH_BRG_CFG_H_
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/** These are internal APIs. They do not sanitize input params. */
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enum bt_mesh_brg_cfg_dir {
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/* Value is prohibited. */
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BT_MESH_BRG_CFG_DIR_PROHIBITED = 0,
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/* Briging from Addr1 to Addr2. */
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BT_MESH_BRG_CFG_DIR_ONEWAY = 1,
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/* Briging to/from Addr1 from/to Addr2. */
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BT_MESH_BRG_CFG_DIR_TWOWAY = 2,
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/* Values above these are prohibited. */
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BT_MESH_BRG_CFG_DIR_MAX = 3,
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};
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#define BT_MESH_BRG_CFG_NETIDX_NOMATCH 0xFFFF
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/* One row of the bridging table */
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struct bt_mesh_brg_cfg_row {
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/* Direction of the entry in the bridging table
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* 0 - no entry,
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* 1 - bridge messages with src as addr1 and dst as addr2
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* 2 - bridge messages with src as addr1 and dst as addr2 and vice-versa
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*/
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uint32_t direction:8;
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uint32_t net_idx1:12;
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uint32_t net_idx2:12;
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uint16_t addr1;
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uint16_t addr2;
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};
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bool bt_mesh_brg_cfg_enable_get(void);
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int bt_mesh_brg_cfg_enable_set(bool enable);
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void bt_mesh_brg_cfg_pending_store(void);
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int bt_mesh_brg_cfg_tbl_reset(void);
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int bt_mesh_brg_cfg_tbl_get(const struct bt_mesh_brg_cfg_row **rows);
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int bt_mesh_brg_cfg_tbl_add(enum bt_mesh_brg_cfg_dir direction, uint16_t net_idx1,
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uint16_t net_idx2, uint16_t addr1, uint16_t addr2);
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void bt_mesh_brg_cfg_tbl_remove(uint16_t net_idx1, uint16_t net_idx2, uint16_t addr1,
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uint16_t addr2);
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typedef void (*bt_mesh_brg_cfg_cb_t)(uint16_t new_netidx, void *user_data);
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/**
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* @brief Iterate over the bridging table to find a matching entry for the given SRC, DST, and
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* NetKey Index.
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*
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* This function iterates over the bridging table and checks if there is a match for the provided
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* parameters. If a match is found, the callback function specified by the 'cb' parameter is
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* invoked with the NetKey Index of each matching entry (there can be several). Relaying operation
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* can then happen inside this callback.
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*
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* @param src The source address to match.
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* @param dst The destination address to match.
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* @param net_idx The NetKey Index to match.
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* @param cb The callback function to be invoked for each matching entry.
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* @param user_data User data to be passed to the callback function.
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*/
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void bt_mesh_brg_cfg_tbl_foreach_subnet(uint16_t src, uint16_t dst, uint16_t net_idx,
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bt_mesh_brg_cfg_cb_t cb, void *user_data);
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#endif /* ZEPHYR_SUBSYS_BLUETOOTH_MESH_BRG_CFG_H_ */
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