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RIOT/sys/fuzzing/netdev.c
2021-12-09 16:44:19 +01:00

55 lines
1.4 KiB
C

/*
* Copyright (C) 2019 Sören Tempel <tempel@uni-bremen.de>
*
* 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.
*/
#include <assert.h>
#include <stddef.h>
#include "mutex.h"
#include "thread.h"
#include "fuzzing.h"
#include "net/netdev_test.h"
#include "net/gnrc/netif/raw.h"
#include "net/gnrc/netif.h"
/* unlocked once the device is initialized. */
static mutex_t initmtx = MUTEX_INIT_LOCKED;
static int _dev_init(netdev_t *netdev)
{
(void)netdev;
mutex_unlock(&initmtx);
return 0;
}
static int _dev_get_device_type(netdev_t *netdev, void *value, size_t max_len)
{
(void)max_len;
assert(max_len == sizeof(uint16_t));
(void)netdev;
*((uint16_t *)value) = NETDEV_TYPE_SLIP;
return sizeof(uint16_t);
}
int fuzzing_netdev(gnrc_netif_t *netif) {
static netdev_test_t dev;
static char _netif_stack[THREAD_STACKSIZE_DEFAULT];
netdev_test_setup(&dev, NULL);
netdev_test_set_init_cb(&dev, _dev_init);
netdev_test_set_get_cb(&dev, NETOPT_DEVICE_TYPE, _dev_get_device_type);
return gnrc_netif_raw_create(netif, _netif_stack, THREAD_STACKSIZE_DEFAULT,
GNRC_NETIF_PRIO, "dummy_netif", &dev.netdev.netdev);
}
void fuzzing_netdev_wait(void) {
mutex_lock(&initmtx);
}