1 /*        $NetBSD: ah_var.h,v 1.7 2018/04/19 08:27:38 maxv Exp $      */
2 /*        $FreeBSD: ah_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $  */
3 /*        $OpenBSD: ip_ah.h,v 1.29 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 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_AH_VAR_H_
41 #define _NETIPSEC_AH_VAR_H_
42 
43 #define   AH_STAT_HDROPS                0         /* packet shorter than header shows */
44 #define   AH_STAT_NOPF                  1         /* protocol family not supported */
45 #define   AH_STAT_NOTDB                 2
46 #define   AH_STAT_BADKCR                3
47 #define   AH_STAT_BADAUTH               4
48 #define   AH_STAT_NOXFORM               5
49 #define   AH_STAT_QFULL                 6
50 #define   AH_STAT_WRAP                  7
51 #define   AH_STAT_REPLAY                8
52 #define   AH_STAT_BADAUTHL    9         /* bad authenticator length */
53 #define   AH_STAT_INPUT                 10        /* input AH packets */
54 #define   AH_STAT_OUTPUT                11        /* output AH packets */
55 #define   AH_STAT_INVALID               12        /* trying to use an invalid TDB */
56 #define   AH_STAT_IBYTES                13        /* input bytes */
57 #define   AH_STAT_OBYTES                14        /* output bytes */
58 #define   AH_STAT_TOOBIG                15        /* packet got > than IP_MAXPACKET */
59 #define   AH_STAT_PDROPS                16        /* packet blocked due to policy */
60 #define   AH_STAT_CRYPTO                17        /* crypto processing failure */
61 #define   AH_STAT_TUNNEL                18        /* tunnel sanity check failure */
62 #define   AH_STAT_HIST                  19        /* per-algorithm op count */
63 
64 /* space for SADB_AALG_STATS_NUM counters */
65 #define   AH_ALG_MAX                    SADB_AALG_STATS_NUM
66 #define   AH_ALG_STR                    SADB_AALG_STATS_STR
67 #define   AH_NSTATS           (AH_STAT_HIST + AH_ALG_MAX)
68 
69 #ifdef _KERNEL
70 extern const uint8_t ah_stats[256];
71 extern int ah_enable;
72 #endif /* _KERNEL */
73 #endif /* !_NETIPSEC_AH_VAR_H_ */
74