/*  Bluetooth Mesh */

/*
 * Copyright (c) 2017 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef _FRIEND_H_
#define _FRIEND_H_

#include "net.h"

#ifdef __cplusplus
extern "C" {
#endif

enum bt_mesh_friend_pdu_type {
    BLE_MESH_FRIEND_PDU_SINGLE,
    BLE_MESH_FRIEND_PDU_PARTIAL,
    BLE_MESH_FRIEND_PDU_COMPLETE,
};

bool bt_mesh_friend_match(u16_t net_idx, u16_t addr);

struct bt_mesh_friend *bt_mesh_friend_find(u16_t net_idx, u16_t lpn_addr,
        bool valid, bool established);

bool bt_mesh_friend_queue_has_space(u16_t net_idx, u16_t src, u16_t dst,
                                    const u64_t *seq_auth, u8_t seg_count);

void bt_mesh_friend_enqueue_rx(struct bt_mesh_net_rx *rx,
                               enum bt_mesh_friend_pdu_type type,
                               const u64_t *seq_auth, u8_t seg_count,
                               struct net_buf_simple *sbuf);
bool bt_mesh_friend_enqueue_tx(struct bt_mesh_net_tx *tx,
                               enum bt_mesh_friend_pdu_type type,
                               const u64_t *seq_auth, u8_t seg_count,
                               struct net_buf_simple *sbuf);

void bt_mesh_friend_clear_incomplete(struct bt_mesh_subnet *sub, u16_t src,
                                     u16_t dst, const u64_t *seq_auth);

void bt_mesh_friend_sec_update(u16_t net_idx);

void bt_mesh_friend_clear_net_idx(u16_t net_idx);

int bt_mesh_friend_poll(struct bt_mesh_net_rx *rx, struct net_buf_simple *buf);
int bt_mesh_friend_req(struct bt_mesh_net_rx *rx, struct net_buf_simple *buf);
int bt_mesh_friend_clear(struct bt_mesh_net_rx *rx, struct net_buf_simple *buf);
int bt_mesh_friend_clear_cfm(struct bt_mesh_net_rx *rx,
                             struct net_buf_simple *buf);
int bt_mesh_friend_sub_add(struct bt_mesh_net_rx *rx,
                           struct net_buf_simple *buf);
int bt_mesh_friend_sub_rem(struct bt_mesh_net_rx *rx,
                           struct net_buf_simple *buf);

int bt_mesh_friend_init(void);
int bt_mesh_friend_deinit(void);

void bt_mesh_friend_remove_lpn(u16_t lpn_addr);

#ifdef __cplusplus
}
#endif

#endif /* _FRIEND_H_ */