goep.h

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/* goep.h - Bluetooth Generic Object Exchange Profile handling */
 
/*
 * Copyright 2024-2025 NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_BLUETOOTH_GOEP_H_
#define ZEPHYR_INCLUDE_BLUETOOTH_GOEP_H_
 
#include <zephyr/kernel.h>
#include <string.h>
#include <errno.h>
#include <stdbool.h>
 
#include <zephyr/bluetooth/bluetooth.h>
#include <zephyr/bluetooth/conn.h>
#include <zephyr/bluetooth/l2cap.h>
#include <zephyr/bluetooth/classic/rfcomm.h>
#include <zephyr/bluetooth/classic/obex.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct bt_goep;
 
struct bt_goep_transport_ops {
        void (*connected)(struct bt_conn *conn, struct bt_goep *goep);
 
        void (*disconnected)(struct bt_goep *goep);
};
 
enum __packed bt_goep_transport_state {
        BT_GOEP_TRANSPORT_DISCONNECTED,
        BT_GOEP_TRANSPORT_CONNECTING,
        BT_GOEP_TRANSPORT_CONNECTED,
        BT_GOEP_TRANSPORT_DISCONNECTING,
};
 
struct bt_goep {
        union {
                struct bt_rfcomm_dlc dlc;
                struct bt_l2cap_br_chan chan;
        } _transport;
 
        bool _goep_v2;
 
        struct bt_conn *_acl;
 
        atomic_t _state;
 
        const struct bt_goep_transport_ops *transport_ops;
 
        struct bt_obex obex;
};
 
struct bt_goep_transport_rfcomm_server {
        struct bt_rfcomm_server rfcomm;
 
        int (*accept)(struct bt_conn *conn, struct bt_goep_transport_rfcomm_server *server,
                      struct bt_goep **goep);
 
        sys_snode_t node;
};
 
int bt_goep_transport_rfcomm_server_register(struct bt_goep_transport_rfcomm_server *server);
 
int bt_goep_transport_rfcomm_connect(struct bt_conn *conn, struct bt_goep *goep, uint8_t channel);
 
int bt_goep_transport_rfcomm_disconnect(struct bt_goep *goep);
 
struct bt_goep_transport_l2cap_server {
        struct bt_l2cap_server l2cap;
 
        int (*accept)(struct bt_conn *conn, struct bt_goep_transport_l2cap_server *server,
                      struct bt_goep **goep);
 
        sys_snode_t node;
};
 
int bt_goep_transport_l2cap_server_register(struct bt_goep_transport_l2cap_server *server);
 
int bt_goep_transport_l2cap_connect(struct bt_conn *conn, struct bt_goep *goep, uint16_t psm);
 
int bt_goep_transport_l2cap_disconnect(struct bt_goep *goep);
 
struct net_buf *bt_goep_create_pdu(struct bt_goep *goep, struct net_buf_pool *pool);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_BLUETOOTH_GOEP_H_ */