mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-05-14 02:30:28 +08:00
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2017 embedded brains GmbH. All rights reserved.
|
|
*
|
|
* embedded brains GmbH
|
|
* Dornierstr. 4
|
|
* 82178 Puchheim
|
|
* Germany
|
|
* <rtems@embedded-brains.de>
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <rtems/bsd/zerocopy.h>
|
|
|
|
rtems_bsd_if_input
|
|
rtems_bsd_set_if_input(const char *ifname,
|
|
rtems_bsd_if_input_init init, rtems_bsd_if_input if_input, void *arg)
|
|
{
|
|
struct rtems_ifinputreq ifr;
|
|
int s;
|
|
int rv;
|
|
|
|
s = socket(AF_INET, SOCK_DGRAM, 0);
|
|
if (s < 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
|
ifr.arg = arg;
|
|
ifr.init = init;
|
|
ifr.new_if_input = if_input;
|
|
|
|
rv = ioctl(s, RTEMS_SIOSIFINPUT, (caddr_t)&ifr);
|
|
close(s);
|
|
|
|
if (rv != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
return (ifr.old_if_input);
|
|
}
|