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freebsd/sbin/ifconfig/iffib.c
Bjoern A. Zeeb 35fd7bc020 Add infrastructure to allow all frames/packets received on an interface
to be assigned to a non-default FIB instance.

You may need to recompile world or ports due to the change of struct ifnet.

Submitted by:	cjsp
Submitted by:	Alexander V. Chernikov (melifaro ipfw.ru)
		(original versions)
Reviewed by:	julian
Reviewed by:	Alexander V. Chernikov (melifaro ipfw.ru)
MFC after:	2 weeks
X-MFC:		use spare in struct ifnet
2011-07-03 12:22:02 +00:00

104 lines
2.7 KiB
C

/*-
* Copyright (c) 2011 Alexander V. Chernikov
* Copyright (c) 2011 Christian S.J. Peron
* Copyright (c) 2011 Bjoern A. Zeeb
* All rights reserved.
*
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <net/if.h>
#include <net/route.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
#include "ifconfig.h"
static void
fib_status(int s)
{
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFFIB, (caddr_t)&ifr) < 0)
return;
/* Ignore if it is the default. */
if (ifr.ifr_fib == 0)
return;
printf("\tfib: %u\n", ifr.ifr_fib);
}
static void
setiffib(const char *val, int dummy __unused, int s,
const struct afswtch *afp)
{
unsigned long fib;
char *ep;
fib = strtoul(val, &ep, 0);
if (*ep != '\0' || fib > UINT_MAX) {
warn("fib %s not valid", val);
return;
}
strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
ifr.ifr_fib = fib;
if (ioctl(s, SIOCSIFFIB, (caddr_t)&ifr) < 0)
warn("ioctl (SIOCSIFFIB)");
}
static struct cmd fib_cmds[] = {
DEF_CMD_ARG("fib", setiffib),
};
static struct afswtch af_fib = {
.af_name = "af_fib",
.af_af = AF_UNSPEC,
.af_other_status = fib_status,
};
static __constructor void
fib_ctor(void)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
size_t i;
for (i = 0; i < N(fib_cmds); i++)
cmd_register(&fib_cmds[i]);
af_register(&af_fib);
#undef N
}