zephyr/subsys/bluetooth/mesh/transport.h

122 lines
3.1 KiB
C

/* Bluetooth Mesh */
/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#define TRANS_SEQ_AUTH_NVAL 0xffffffffffffffff
#define BT_MESH_SDU_UNSEG_MAX 11
#define BT_MESH_CTL_SEG_SDU_MAX 8
#define BT_MESH_RX_CTL_MAX (CONFIG_BT_MESH_RX_SEG_MAX * BT_MESH_CTL_SEG_SDU_MAX)
#define TRANS_SEQ_ZERO_MASK ((uint16_t)BIT_MASK(13))
#define TRANS_CTL_OP_MASK ((uint8_t)BIT_MASK(7))
#define TRANS_CTL_OP(data) ((data)[0] & TRANS_CTL_OP_MASK)
#define TRANS_CTL_HDR(op, seg) ((op & TRANS_CTL_OP_MASK) | (seg << 7))
#define TRANS_CTL_OP_ACK 0x00
#define TRANS_CTL_OP_FRIEND_POLL 0x01
#define TRANS_CTL_OP_FRIEND_UPDATE 0x02
#define TRANS_CTL_OP_FRIEND_REQ 0x03
#define TRANS_CTL_OP_FRIEND_OFFER 0x04
#define TRANS_CTL_OP_FRIEND_CLEAR 0x05
#define TRANS_CTL_OP_FRIEND_CLEAR_CFM 0x06
#define TRANS_CTL_OP_FRIEND_SUB_ADD 0x07
#define TRANS_CTL_OP_FRIEND_SUB_REM 0x08
#define TRANS_CTL_OP_FRIEND_SUB_CFM 0x09
#define TRANS_CTL_OP_HEARTBEAT 0x0a
struct bt_mesh_ctl_friend_poll {
uint8_t fsn;
} __packed;
struct bt_mesh_ctl_friend_update {
uint8_t flags;
uint32_t iv_index;
uint8_t md;
} __packed;
struct bt_mesh_ctl_friend_req {
uint8_t criteria;
uint8_t recv_delay;
uint8_t poll_to[3];
uint16_t prev_addr;
uint8_t num_elem;
uint16_t lpn_counter;
} __packed;
struct bt_mesh_ctl_friend_offer {
uint8_t recv_win;
uint8_t queue_size;
uint8_t sub_list_size;
int8_t rssi;
uint16_t frnd_counter;
} __packed;
struct bt_mesh_ctl_friend_clear {
uint16_t lpn_addr;
uint16_t lpn_counter;
} __packed;
struct bt_mesh_ctl_friend_clear_confirm {
uint16_t lpn_addr;
uint16_t lpn_counter;
} __packed;
#define BT_MESH_FRIEND_SUB_MIN_LEN (1 + 2)
struct bt_mesh_ctl_friend_sub {
uint8_t xact;
uint16_t addr_list[5];
} __packed;
struct bt_mesh_ctl_friend_sub_confirm {
uint8_t xact;
} __packed;
struct bt_mesh_va {
uint16_t ref:15,
changed:1;
uint16_t addr;
uint8_t uuid[16];
};
bool bt_mesh_tx_in_progress(void);
void bt_mesh_rx_reset(void);
int bt_mesh_ctl_send(struct bt_mesh_net_tx *tx, uint8_t ctl_op, void *data,
size_t data_len, const struct bt_mesh_send_cb *cb,
void *cb_data);
/** @brief Send an access payload message.
*
* @param tx Network TX parameters. Only @c ctx, @c src and @c friend_cred
* have to be filled.
* @param msg Access payload to send.
* @param cb Message callback.
* @param cb_data Message callback data.
*
* @return 0 on success, or (negative) error code otherwise.
*/
int bt_mesh_trans_send(struct bt_mesh_net_tx *tx, struct net_buf_simple *msg,
const struct bt_mesh_send_cb *cb, void *cb_data);
int bt_mesh_trans_recv(struct net_buf_simple *buf, struct bt_mesh_net_rx *rx);
void bt_mesh_trans_init(void);
void bt_mesh_trans_reset(void);
struct bt_mesh_va *bt_mesh_va_get(uint16_t index);
struct bt_mesh_va *bt_mesh_va_find(uint8_t uuid[16]);
uint8_t bt_mesh_va_add(uint8_t uuid[16], uint16_t *addr);
uint8_t bt_mesh_va_del(uint8_t uuid[16], uint16_t *addr);
uint8_t *bt_mesh_va_label_get(uint16_t addr);