source: rtems-libbsd/rtemsbsd/rtems/rtems-bsd-set-if-input.c @ 028bf82

55-freebsd-126-freebsd-12
Last change on this file since 028bf82 was e846288, checked in by Sebastian Huber <sebastian.huber@…>, on 06/21/17 at 12:35:19

Add rtems_bsd_set_if_input()

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/*
2 * Copyright (c) 2017 embedded brains GmbH.  All rights reserved.
3 *
4 *  embedded brains GmbH
5 *  Dornierstr. 4
6 *  82178 Puchheim
7 *  Germany
8 *  <rtems@embedded-brains.de>
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/types.h>
33#include <sys/ioctl.h>
34#include <sys/socket.h>
35
36#include <net/if.h>
37#include <net/if_var.h>
38
39#include <string.h>
40#include <unistd.h>
41
42#include <rtems/bsd/zerocopy.h>
43
44rtems_bsd_if_input
45rtems_bsd_set_if_input(const char *ifname,
46    rtems_bsd_if_input_init init, rtems_bsd_if_input if_input, void *arg)
47{
48        struct rtems_ifinputreq ifr;
49        int s;
50        int rv;
51
52        s = socket(AF_INET, SOCK_DGRAM, 0);
53        if (s < 0) {
54                return (NULL);
55        }
56
57        memset(&ifr, 0, sizeof(ifr));
58        strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
59        ifr.arg = arg;
60        ifr.init = init;
61        ifr.new_if_input = if_input;
62
63        rv = ioctl(s, RTEMS_SIOSIFINPUT, (caddr_t)&ifr);
64        close(s);
65
66        if (rv != 0) {
67                return (NULL);
68        }
69
70        return (ifr.old_if_input);
71}
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