1/*	$NetBSD: esp_var.h,v 1.6 2018/04/19 08:27:38 maxv Exp $	*/
 2/*	$FreeBSD: esp_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $	*/
 3/*	$OpenBSD: ip_esp.h,v 1.37 2002/06/09 16:26:10 itojun Exp $	*/
 4/*
 5 * The authors of this code are John Ioannidis (ji@tla.org),
 6 * Angelos D. Keromytis (kermit@csd.uch.gr) and
 7 * Niels Provos (provos@physnet.uni-hamburg.de).
 8 *
 9 * The original version of this code was written by John Ioannidis
10 * for BSD/OS in Athens, Greece, in November 1995.
11 *
12 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
13 * by Angelos D. Keromytis.
14 *
15 * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
16 * and Niels Provos.
17 *
18 * Additional features in 1999 by Angelos D. Keromytis.
19 *
20 * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
21 * Angelos D. Keromytis and Niels Provos.
22 * Copyright (c) 2001 Angelos D. Keromytis.
23 *
24 * Permission to use, copy, and modify this software with or without fee
25 * is hereby granted, provided that this entire notice is included in
26 * all copies of any software which is or includes a copy or
27 * modification of this software.
28 * You may use this code under the GNU public license if you so wish. Please
29 * contribute changes back to the authors under this freer than GPL license
30 * so that we may further the use of strong encryption without limitations to
31 * all.
32 *
33 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
34 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
35 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
36 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
37 * PURPOSE.
38 */
39
40#ifndef _NETIPSEC_ESP_VAR_H_
41#define _NETIPSEC_ESP_VAR_H_
42
43#define	ESP_STAT_HDROPS		0	/* packet shorter than header shows */
44#define	ESP_STAT_NOPF		1	/* protocol family not supported */
45#define	ESP_STAT_NOTDB		2
46#define	ESP_STAT_BADKCR		3
47#define	ESP_STAT_QFULL		4
48#define	ESP_STAT_NOXFORM	5
49#define	ESP_STAT_BADILEN	6
50#define	ESP_STAT_WRAP		7	/* replay counter wrapped around */
51#define	ESP_STAT_BADENC		8	/* bad encryption detected */
52#define	ESP_STAT_BADAUTH	9	/* (only valid for xforms with auth) */
53#define	ESP_STAT_REPLAY		10	/* possible packet replay detected */
54#define	ESP_STAT_INPUT		11	/* input ESP packets */
55#define	ESP_STAT_OUTPUT		12	/* output ESP packets */
56#define	ESP_STAT_INVALID	13	/* trying to use an invalid TDB */
57#define	ESP_STAT_IBYTES		14	/* input bytes */
58#define	ESP_STAT_OBYTES		15	/* output bytes */
59#define	ESP_STAT_TOOBIG		16	/* packet got larger than IP_MAXPACKET */
60#define	ESP_STAT_PDROPS		17	/* packet blocked due to policy */
61#define	ESP_STAT_CRYPTO		18	/* crypto processing failure */
62#define	ESP_STAT_TUNNEL		19	/* tunnel sanity check failure */
63#define	ESP_STAT_HIST		20	/* per-algorithm op count */
64
65/* space for SADB_EALG_STATS_NUM counters */
66#define	ESP_ALG_MAX		SADB_EALG_STATS_NUM
67#define	ESP_ALG_STR		SADB_EALG_STATS_STR
68#define	ESP_NSTATS		(ESP_STAT_HIST + ESP_ALG_MAX)
69
70#ifdef _KERNEL
71extern  const uint8_t esp_stats[256];
72extern	int esp_enable;
73#endif /* _KERNEL */
74#endif /* !_NETIPSEC_ESP_VAR_H_ */