pkt.h

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/*
 * Copyright (C) 2016-2018 OTA keys S.A.
 *
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdatomic.h>
 
#include "can/common.h"
#include "can/can.h"
#include "msg.h"
#ifdef MODULE_CAN_MBOX
#include "mbox.h"
#endif

typedef struct {
    can_reg_entry_t entry;   
    atomic_uint ref_count;   
    int handle;              
    can_frame_t frame;  
} can_pkt_t;

void can_pkt_init(void);

can_pkt_t *can_pkt_alloc_tx(int ifnum, const can_frame_t *frame, kernel_pid_t tx_pid);

can_pkt_t *can_pkt_alloc_rx(int ifnum, const can_frame_t *frame);
 
#if defined(MODULE_CAN_MBOX) || defined(DOXYGEN)
can_pkt_t *can_pkt_alloc_mbox_tx(int ifnum, const can_frame_t *frame, mbox_t *mbox);
#endif

void can_pkt_free(can_pkt_t *pkt);

can_rx_data_t *can_pkt_alloc_rx_data(void *data, size_t len, void *arg);

void can_pkt_free_rx_data(can_rx_data_t *data);

void *can_pkt_buf_alloc(size_t size);

void can_pkt_buf_free(void *data, size_t size);
 
#ifdef __cplusplus
}
#endif