/*      $NetBSD: ah_var.h,v 1.7 2018/04/19 08:27:38 maxv Exp $  */
/*      $FreeBSD: ah_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $      */
/*      $OpenBSD: ip_ah.h,v 1.29 2002/06/09 16:26:10 itojun Exp $       */
/*
* The authors of this code are John Ioannidis ([email protected]),
* Angelos D. Keromytis ([email protected]) and
* Niels Provos ([email protected]).
*
* The original version of this code was written by John Ioannidis
* for BSD/OS in Athens, Greece, in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
* Copyright (c) 2001 Angelos D. Keromytis.
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/

#ifndef _NETIPSEC_AH_VAR_H_
#define _NETIPSEC_AH_VAR_H_

#define AH_STAT_HDROPS          0       /* packet shorter than header shows */
#define AH_STAT_NOPF            1       /* protocol family not supported */
#define AH_STAT_NOTDB           2
#define AH_STAT_BADKCR          3
#define AH_STAT_BADAUTH         4
#define AH_STAT_NOXFORM         5
#define AH_STAT_QFULL           6
#define AH_STAT_WRAP            7
#define AH_STAT_REPLAY          8
#define AH_STAT_BADAUTHL        9       /* bad authenticator length */
#define AH_STAT_INPUT           10      /* input AH packets */
#define AH_STAT_OUTPUT          11      /* output AH packets */
#define AH_STAT_INVALID         12      /* trying to use an invalid TDB */
#define AH_STAT_IBYTES          13      /* input bytes */
#define AH_STAT_OBYTES          14      /* output bytes */
#define AH_STAT_TOOBIG          15      /* packet got > than IP_MAXPACKET */
#define AH_STAT_PDROPS          16      /* packet blocked due to policy */
#define AH_STAT_CRYPTO          17      /* crypto processing failure */
#define AH_STAT_TUNNEL          18      /* tunnel sanity check failure */
#define AH_STAT_HIST            19      /* per-algorithm op count */

/* space for SADB_AALG_STATS_NUM counters */
#define AH_ALG_MAX              SADB_AALG_STATS_NUM
#define AH_ALG_STR              SADB_AALG_STATS_STR
#define AH_NSTATS               (AH_STAT_HIST + AH_ALG_MAX)

#ifdef _KERNEL
extern const uint8_t ah_stats[256];
extern int ah_enable;
#endif /* _KERNEL */
#endif /* !_NETIPSEC_AH_VAR_H_ */