NetBSD/sys/netipsec/esp_var.h

80 lines
3.3 KiB
C

/* $NetBSD: esp_var.h,v 1.4 2008/04/23 06:09:05 thorpej Exp $ */
/* $FreeBSD: src/sys/netipsec/esp_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $ */
/* $OpenBSD: ip_esp.h,v 1.37 2002/06/09 16:26:10 itojun Exp $ */
/*
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr) and
* Niels Provos (provos@physnet.uni-hamburg.de).
*
* 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 by 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_ESP_VAR_H_
#define _NETIPSEC_ESP_VAR_H_
/*
* These define the algorithm indices into the histogram. They're
* presently based on the PF_KEY v2 protocol values which is bogus;
* they should be decoupled from the protocol at which time we can
* pack them and reduce the size of the array to a reasonable value.
*/
#define ESP_ALG_MAX 256 /* NB: could be < but skipjack is 249 */
#define ESP_STAT_HDROPS 0 /* packet shorter than header shows */
#define ESP_STAT_NOPF 1 /* protocol family not supported */
#define ESP_STAT_NOTDB 2
#define ESP_STAT_BADKCR 3
#define ESP_STAT_QFULL 4
#define ESP_STAT_NOXFORM 5
#define ESP_STAT_BADILEN 6
#define ESP_STAT_WRAP 7 /* replay counter wrapped around */
#define ESP_STAT_BADENC 8 /* bad encryption detected */
#define ESP_STAT_BADAUTH 9 /* (only valid for xforms with auth) */
#define ESP_STAT_REPLAY 10 /* possible packet replay detected */
#define ESP_STAT_INPUT 11 /* input ESP packets */
#define ESP_STAT_OUTPUT 12 /* output ESP packets */
#define ESP_STAT_INVALID 13 /* trying to use an invalid TDB */
#define ESP_STAT_IBYTES 14 /* input bytes */
#define ESP_STAT_OBYTES 15 /* output bytes */
#define ESP_STAT_TOOBIG 16 /* packet got larger than IP_MAXPACKET */
#define ESP_STAT_PDROPS 17 /* packet blocked due to policy */
#define ESP_STAT_CRYPTO 18 /* crypto processing failure */
#define ESP_STAT_TUNNEL 19 /* tunnel sanity check failure */
#define ESP_STAT_HIST 20 /* per-algorithm op count */
/* space for ESP_ALG_MAX (256) counters */
#define ESP_NSTATS 276
#ifdef _KERNEL
extern int esp_enable;
#endif /* _KERNEL */
#endif /* !_NETIPSEC_ESP_VAR_H_ */