2002-10-16 02:10:08 +00:00
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/* $FreeBSD$ */
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/* $OpenBSD: ip_ah.h,v 1.29 2002/06/09 16:26:10 itojun Exp $ */
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2005-01-07 01:45:51 +00:00
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/*-
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2002-10-16 02:10:08 +00:00
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* The authors of this code are John Ioannidis (ji@tla.org),
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* Angelos D. Keromytis (kermit@csd.uch.gr) and
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* Niels Provos (provos@physnet.uni-hamburg.de).
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*
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* The original version of this code was written by John Ioannidis
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* for BSD/OS in Athens, Greece, in November 1995.
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*
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* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
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* by Angelos D. Keromytis.
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*
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* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
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* and Niels Provos.
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*
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* Additional features in 1999 by Angelos D. Keromytis.
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*
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* Copyright (C) 1995, 1996, 1997, 1998, 1999 John Ioannidis,
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* Angelos D. Keromytis and Niels Provos.
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* Copyright (c) 2001 Angelos D. Keromytis.
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*
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* Permission to use, copy, and modify this software with or without fee
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* is hereby granted, provided that this entire notice is included in
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* all copies of any software which is or includes a copy or
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* modification of this software.
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* You may use this code under the GNU public license if you so wish. Please
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* contribute changes back to the authors under this freer than GPL license
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* so that we may further the use of strong encryption without limitations to
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* all.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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* PURPOSE.
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*/
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#ifndef _NETIPSEC_AH_VAR_H_
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#define _NETIPSEC_AH_VAR_H_
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/*
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* These define the algorithm indices into the histogram. They're
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* presently based on the PF_KEY v2 protocol values which is bogus;
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* they should be decoupled from the protocol at which time we can
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* pack them and reduce the size of the array to a minimum.
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*/
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#define AH_ALG_MAX 16
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struct ahstat {
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u_int32_t ahs_hdrops; /* Packet shorter than header shows */
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u_int32_t ahs_nopf; /* Protocol family not supported */
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u_int32_t ahs_notdb;
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u_int32_t ahs_badkcr;
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u_int32_t ahs_badauth;
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u_int32_t ahs_noxform;
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u_int32_t ahs_qfull;
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u_int32_t ahs_wrap;
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u_int32_t ahs_replay;
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u_int32_t ahs_badauthl; /* Bad authenticator length */
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u_int32_t ahs_input; /* Input AH packets */
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u_int32_t ahs_output; /* Output AH packets */
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u_int32_t ahs_invalid; /* Trying to use an invalid TDB */
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u_int64_t ahs_ibytes; /* Input bytes */
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u_int64_t ahs_obytes; /* Output bytes */
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u_int32_t ahs_toobig; /* Packet got larger than IP_MAXPACKET */
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u_int32_t ahs_pdrops; /* Packet blocked due to policy */
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u_int32_t ahs_crypto; /* Crypto processing failure */
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u_int32_t ahs_tunnel; /* Tunnel sanity check failure */
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u_int32_t ahs_hist[AH_ALG_MAX]; /* Per-algorithm op count */
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};
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#ifdef _KERNEL
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extern int ah_enable;
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extern int ah_cleartos;
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extern struct ahstat ahstat;
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#endif /* _KERNEL */
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#endif /*_NETIPSEC_AH_VAR_H_*/
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