zephyr/net/ip/net_driver_slip.c

77 lines
2.3 KiB
C

/* net_driver_slip.c - Slip (serial line IP) driver */
/*
* Copyright (c) 2015 Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2) Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3) Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <nanokernel.h>
#include <toolchain.h>
#include <string.h>
#include <errno.h>
#if defined(CONFIG_STDOUT_CONSOLE)
#include <stdio.h>
#define PRINT printf
#else
#include <misc/printk.h>
#define PRINT printk
#endif
#include <net/net_core.h>
#include <net/net_buf.h>
#include "contiki/os/dev/slip.h"
static int net_driver_slip_open(void)
{
NET_DBG("Initialized slip driver\n");
return 0;
}
static int net_driver_slip_send(struct net_buf *buf)
{
NET_DBG("Sending %d bytes\n", buf->len);
return slip_send(buf);
}
static struct net_driver net_driver_slip = {
.head_reserve = 0,
.open = net_driver_slip_open,
.send = net_driver_slip_send,
};
int net_driver_slip_init(void)
{
net_register_driver(&net_driver_slip);
return 0;
}