xref: /freebsd/usr.sbin/ppp/ip.h (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
165309e5cSBrian Somers /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
31de7b4b8SPedro F. Giffuni  *
465309e5cSBrian Somers  * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
565309e5cSBrian Somers  *          based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
665309e5cSBrian Somers  *                           Internet Initiative Japan, Inc (IIJ)
765309e5cSBrian Somers  * All rights reserved.
8ed6a16c1SPoul-Henning Kamp  *
965309e5cSBrian Somers  * Redistribution and use in source and binary forms, with or without
1065309e5cSBrian Somers  * modification, are permitted provided that the following conditions
1165309e5cSBrian Somers  * are met:
1265309e5cSBrian Somers  * 1. Redistributions of source code must retain the above copyright
1365309e5cSBrian Somers  *    notice, this list of conditions and the following disclaimer.
1465309e5cSBrian Somers  * 2. Redistributions in binary form must reproduce the above copyright
1565309e5cSBrian Somers  *    notice, this list of conditions and the following disclaimer in the
1665309e5cSBrian Somers  *    documentation and/or other materials provided with the distribution.
17ed6a16c1SPoul-Henning Kamp  *
1865309e5cSBrian Somers  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1965309e5cSBrian Somers  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2065309e5cSBrian Somers  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2165309e5cSBrian Somers  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2265309e5cSBrian Somers  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2365309e5cSBrian Somers  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2465309e5cSBrian Somers  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2565309e5cSBrian Somers  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2665309e5cSBrian Somers  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2765309e5cSBrian Somers  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2865309e5cSBrian Somers  * SUCH DAMAGE.
29ed6a16c1SPoul-Henning Kamp  */
30ed6a16c1SPoul-Henning Kamp 
312764b86aSBrian Somers struct mbuf;
325ca5389aSBrian Somers struct filter;
332764b86aSBrian Somers struct link;
342764b86aSBrian Somers struct bundle;
355ca5389aSBrian Somers 
365d9e6103SBrian Somers extern int ip_PushPacket(struct link *, struct bundle *);
3730949fd4SBrian Somers extern int PacketCheck(struct bundle *, u_int32_t, const unsigned char *, int,
3830949fd4SBrian Somers                           struct filter *, const char *, unsigned *secs);
3930949fd4SBrian Somers extern int FilterCheck(const unsigned char *, u_int32_t, const struct filter *,
4030949fd4SBrian Somers                        unsigned *);
4130949fd4SBrian Somers extern struct mbuf *ipv4_Input(struct bundle *, struct link *, struct mbuf *);
4230949fd4SBrian Somers #ifndef NOINET6
4330949fd4SBrian Somers extern struct mbuf *ipv6_Input(struct bundle *, struct link *, struct mbuf *);
4430949fd4SBrian Somers #endif
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