Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / pf.h
CommitLineData
c8cf0f94
PA
1/*
2 * Copyright (c) 2001 Daniel Hartmeier
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 *
29 * @(#) $Header: /tcpdump/master/tcpdump/pf.h,v 1.2 2004/04/02 06:36:25 guy Exp $ (LBL)
30 */
31
32/* from $OpenBSD: pfvar.h,v 1.170 2003/08/22 21:50:34 david Exp $ */
33
34enum { PF_INOUT=0, PF_IN=1, PF_OUT=2 };
35enum { PF_PASS=0, PF_DROP=1, PF_SCRUB=2, PF_NAT=3, PF_NONAT=4,
36 PF_BINAT=5, PF_NOBINAT=6, PF_RDR=7, PF_NORDR=8, PF_SYNPROXY_DROP=9 };
37
38/* Reasons code for passing/dropping a packet */
39#define PFRES_MATCH 0 /* Explicit match of a rule */
40#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
41#define PFRES_FRAG 2 /* Dropping following fragment */
42#define PFRES_SHORT 3 /* Dropping short packet */
43#define PFRES_NORM 4 /* Dropping by normalizer */
44#define PFRES_MEMORY 5 /* Dropped due to lacking mem */
45#define PFRES_MAX 6 /* total+1 */
46
47#define PFRES_NAMES { \
48 "match", \
49 "bad-offset", \
50 "fragment", \
51 "short", \
52 "normalize", \
53 "memory", \
54 NULL \
55}
56
57#define PF_RULESET_NAME_SIZE 16
58
59/* from $OpenBSD: if_pflog.h,v 1.9 2003/07/15 20:27:27 dhartmei Exp $ */
60
61#ifndef IFNAMSIZ
62#define IFNAMSIZ 16
63#endif
64
65struct pfloghdr {
66 u_int8_t length;
67 u_int8_t af;
68 u_int8_t action;
69 u_int8_t reason;
70 char ifname[IFNAMSIZ];
71 char ruleset[PF_RULESET_NAME_SIZE];
72 u_int32_t rulenr;
73 u_int32_t subrulenr;
74 u_int8_t dir;
75 u_int8_t pad[3];
76};
77#define PFLOG_HDRLEN sizeof(struct pfloghdr)