mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-29 12:03:03 +00:00
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 1982, 1986, 1993
|
|
* The Regents of the University of California. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
/*
|
|
* derived from
|
|
* @(#)if_loop.c 8.1 (Berkeley) 6/10/93
|
|
* Id: if_loop.c,v 1.22 1996/06/19 16:24:10 wollman Exp
|
|
*/
|
|
|
|
/*
|
|
* Loopback interface driver for protocol testing and timing.
|
|
*/
|
|
|
|
#include "faith.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_types.h>
|
|
#include <net/netisr.h>
|
|
#include <net/route.h>
|
|
#include <net/bpf.h>
|
|
|
|
extern int loioctl __P((struct ifnet *, u_long, caddr_t));
|
|
extern int looutput __P((struct ifnet *ifp,
|
|
struct mbuf *m, struct sockaddr *dst, struct rtentry *rt));
|
|
|
|
void faithattach __P((void *));
|
|
PSEUDO_SET(faithattach, if_faith);
|
|
static struct ifnet faithif[NFAITH];
|
|
|
|
#define FAITHMTU 1500
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
faithattach(faith)
|
|
void *faith;
|
|
{
|
|
register struct ifnet *ifp;
|
|
register int i;
|
|
|
|
for (i = 0; i < NFAITH; i++) {
|
|
ifp = &faithif[i];
|
|
bzero(ifp, sizeof(faithif[i]));
|
|
ifp->if_name = "faith";
|
|
ifp->if_unit = i;
|
|
ifp->if_mtu = FAITHMTU;
|
|
/* LOOPBACK commented out to announce IPv6 routes to faith */
|
|
ifp->if_flags = /* IFF_LOOPBACK | */ IFF_MULTICAST;
|
|
ifp->if_ioctl = loioctl;
|
|
ifp->if_output = looutput;
|
|
ifp->if_type = IFT_FAITH;
|
|
ifp->if_snd.ifq_maxlen = ifqmaxlen;
|
|
ifp->if_hdrlen = 0;
|
|
ifp->if_addrlen = 0;
|
|
if_attach(ifp);
|
|
bpfattach(ifp, DLT_NULL, sizeof(u_int));
|
|
}
|
|
}
|