xref: /netbsd-src/sys/netipsec/esp_var.h (revision e2c8a66404f385b2346d7238a9689bbe3f24a605)
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
71 extern  const uint8_t esp_stats[256];
72 extern	int esp_enable;
73 #endif /* _KERNEL */
74 #endif /* !_NETIPSEC_ESP_VAR_H_ */
75