/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef H_BLE_LL_RESOLV_
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#define H_BLE_LL_RESOLV_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* An entry in the resolving list.
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* The identity address is stored in little endian format.
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* The local rpa is stored in little endian format.
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* The IRKs are stored in big endian format.
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*
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* Note:
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* rl_local_irk and rl_peer_irk need to be word aligned
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*/
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struct ble_ll_resolv_entry
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{
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uint8_t rl_addr_type;
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uint8_t rl_priv_mode;
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uint8_t rl_has_local;
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uint8_t rl_has_peer;
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uint8_t rl_local_irk[16];
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uint8_t rl_peer_irk[16];
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uint8_t rl_identity_addr[BLE_DEV_ADDR_LEN];
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uint8_t rl_local_rpa[BLE_DEV_ADDR_LEN];
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uint8_t rl_peer_rpa[BLE_DEV_ADDR_LEN];
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};
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extern struct ble_ll_resolv_entry g_ble_ll_resolv_list[];
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/* Clear the resolving list */
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int ble_ll_resolv_list_clr(void);
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/* Read the size of the resolving list */
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int ble_ll_resolv_list_read_size(uint8_t *rspbuf, uint8_t *rsplen);
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/* Add a device to the resolving list */
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int ble_ll_resolv_list_add(const uint8_t *cmdbuf, uint8_t len);
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/* Remove a device from the resolving list */
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int ble_ll_resolv_list_rmv(const uint8_t *cmdbuf, uint8_t len);
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/* Address resolution enable command */
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int ble_ll_resolv_enable_cmd(const uint8_t *cmdbuf, uint8_t len);
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int ble_ll_resolv_peer_addr_rd(const uint8_t *cmdbuf, uint8_t len,
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uint8_t *rspbuf, uint8_t *rsplen);
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int ble_ll_resolv_local_addr_rd(const uint8_t *cmdbuf, uint8_t len,
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uint8_t *rspbuf, uint8_t *rsplen);
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/* Finds 'addr' in resolving list. Doesnt check if address resolution enabled */
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struct ble_ll_resolv_entry *
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ble_ll_resolv_list_find(const uint8_t *addr, uint8_t addr_type);
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static inline int8_t
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ble_ll_resolv_get_idx(struct ble_ll_resolv_entry *rl)
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{
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return rl - g_ble_ll_resolv_list;
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}
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/* Returns true if address resolution is enabled */
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uint8_t ble_ll_resolv_enabled(void);
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/* Reset private address resolution */
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void ble_ll_resolv_list_reset(void);
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/* Generate local or peer RPA. It is up to caller to make sure required IRK
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* is present on RL
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*/
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void ble_ll_resolv_get_priv_addr(struct ble_ll_resolv_entry *rl, int local,
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uint8_t *addr);
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void ble_ll_resolv_set_peer_rpa(int index, uint8_t *rpa);
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void ble_ll_resolv_set_local_rpa(int index, uint8_t *rpa);
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/* Generate a resolvable private address. */
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int ble_ll_resolv_gen_rpa(uint8_t *addr, uint8_t addr_type, uint8_t *rpa,
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int local);
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/* Set the resolvable private address timeout */
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int ble_ll_resolv_set_rpa_tmo(const uint8_t *cmdbuf, uint8_t len);
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/* Set the privacy mode */
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int ble_ll_resolve_set_priv_mode(const uint8_t *cmdbuf, uint8_t len);
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/* Get the RPA timeout, in seconds */
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uint32_t ble_ll_resolv_get_rpa_tmo(void);
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/* Resolve a resolvable private address */
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int ble_ll_resolv_rpa(const uint8_t *rpa, const uint8_t *irk);
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/* Try to resolve peer RPA and return index on RL if matched */
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int ble_ll_resolv_peer_rpa_any(const uint8_t *rpa);
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/* Initialize resolv*/
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void ble_ll_resolv_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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