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/* $OpenBSD: if_pflog.h,v 1.8 2003/05/14 08:42:00 canacar Exp $ */
/*
* Copyright 2001 Niels Provos <provos@citi.umich.edu>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifndef _NET_IF_PFLOG_H_
#define _NET_IF_PFLOG_H_
struct pflog_softc {
struct ifnet sc_if; /* the interface */
};
/* XXX keep in sync with pfvar.h */
#ifndef PF_RULESET_NAME_SIZE
#define PF_RULESET_NAME_SIZE 16
#endif
struct pfloghdr {
u_int8_t length;
sa_family_t af;
u_int8_t action;
u_int8_t reason;
char ifname[IFNAMSIZ];
char ruleset[PF_RULESET_NAME_SIZE];
u_int32_t rulenr;
u_int32_t subrulenr;
u_int8_t dir;
u_int8_t pad[3];
};
#define PFLOG_HDRLEN sizeof(struct pfloghdr)
/* minus pad, also used as a signature */
#define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad);
/* XXX remove later when old format logs are no longer needed */
struct old_pfloghdr {
u_int32_t af;
char ifname[IFNAMSIZ];
short rnr;
u_short reason;
u_short action;
u_short dir;
};
#define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr)
#ifdef _KERNEL
#if NPFLOG > 0
#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g) \
do { \
if (b == AF_INET) { \
HTONS(((struct ip *)x)->ip_len); \
HTONS(((struct ip *)x)->ip_off); \
pflog_packet(i,a,b,c,d,e,f,g); \
NTOHS(((struct ip *)x)->ip_len); \
NTOHS(((struct ip *)x)->ip_off); \
} else { \
pflog_packet(i,a,b,c,d,e,f,g); \
} \
} while (0)
#else
#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g) ((void)0)
#endif /* NPFLOG > 0 */
#endif /* _KERNEL */
#endif /* _NET_IF_PFLOG_H_ */
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