cfa1ca9dfa
packet divert at kernel for IPv6/IPv4 translater daemon This includes queue related patch submitted by jburkhol@home.com. Submitted by: queue related patch from jburkhol@home.com Reviewed by: freebsd-arch, cvs-committers Obtained from: KAME project
98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* derived from
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* @(#)if_loop.c 8.1 (Berkeley) 6/10/93
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* Id: if_loop.c,v 1.22 1996/06/19 16:24:10 wollman Exp
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*/
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/*
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* Loopback interface driver for protocol testing and timing.
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*/
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#include "faith.h"
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#if NFAITH > 0
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/netisr.h>
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#include <net/route.h>
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#include <net/bpf.h>
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extern int loioctl __P((struct ifnet *, u_long, caddr_t));
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extern int looutput __P((struct ifnet *ifp,
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struct mbuf *m, struct sockaddr *dst, struct rtentry *rt));
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void faithattach __P((void *));
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PSEUDO_SET(faithattach, if_faith);
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static struct ifnet faithif[NFAITH];
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#define FAITHMTU 1500
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/* ARGSUSED */
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void
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faithattach(faith)
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void *faith;
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{
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register struct ifnet *ifp;
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register int i;
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for (i = 0; i < NFAITH; i++) {
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ifp = &faithif[i];
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bzero(ifp, sizeof(faithif[i]));
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ifp->if_name = "faith";
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ifp->if_unit = i;
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ifp->if_mtu = FAITHMTU;
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/* Change to BROADCAST experimentaly to announce its prefix. */
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ifp->if_flags = /* IFF_LOOPBACK */ IFF_BROADCAST | IFF_MULTICAST;
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ifp->if_ioctl = loioctl;
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ifp->if_output = looutput;
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ifp->if_type = IFT_FAITH;
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ifp->if_snd.ifq_maxlen = ifqmaxlen;
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ifp->if_hdrlen = 0;
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ifp->if_addrlen = 0;
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if_attach(ifp);
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bpfattach(ifp, DLT_NULL, sizeof(u_int));
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}
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}
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#endif /* NFAITH > 0 */
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