1 /* $OpenBSD: if_pflog.h,v 1.10 2004/03/19 04:52:04 frantzen Exp $ */ 2 /* 3 * Copyright 2001 Niels Provos <provos@citi.umich.edu> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _NET_IF_PFLOG_H_ 28 #define _NET_IF_PFLOG_H_ 29 30 struct pflog_softc { 31 struct ifnet sc_if; /* the interface */ 32 }; 33 34 /* XXX keep in sync with pfvar.h */ 35 #ifndef PF_RULESET_NAME_SIZE 36 #define PF_RULESET_NAME_SIZE 16 37 #endif 38 39 struct pfloghdr { 40 u_int8_t length; 41 sa_family_t af; 42 u_int8_t action; 43 u_int8_t reason; 44 char ifname[IFNAMSIZ]; 45 char ruleset[PF_RULESET_NAME_SIZE]; 46 u_int32_t rulenr; 47 u_int32_t subrulenr; 48 u_int8_t dir; 49 u_int8_t pad[3]; 50 }; 51 52 #define PFLOG_HDRLEN sizeof(struct pfloghdr) 53 /* minus pad, also used as a signature */ 54 #define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad) 55 56 /* XXX remove later when old format logs are no longer needed */ 57 struct old_pfloghdr { 58 u_int32_t af; 59 char ifname[IFNAMSIZ]; 60 short rnr; 61 u_short reason; 62 u_short action; 63 u_short dir; 64 }; 65 #define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr) 66 67 #ifdef _KERNEL 68 69 #if NPFLOG > 0 70 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g) 71 #else 72 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g) ((void)0) 73 #endif /* NPFLOG > 0 */ 74 #endif /* _KERNEL */ 75 #endif /* _NET_IF_PFLOG_H_ */ 76