sys/netipsec/esp_var.h

   1 /*      $NetBSD: esp_var.h,v 1.3 2005/12/10 23:44:08 elad Exp $ */
   2 /*      $FreeBSD: src/sys/netipsec/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 /*
  44  * These define the algorithm indices into the histogram.  They're
  45  * presently based on the PF_KEY v2 protocol values which is bogus;
  46  * they should be decoupled from the protocol at which time we can
  47  * pack them and reduce the size of the array to a reasonable value.
  48  */
  49 #define ESP_ALG_MAX     256             /* NB: could be < but skipjack is 249 */
  50
  51 #define ESP_STAT_HDROPS         0       /* packet shorter than header shows */
  52 #define ESP_STAT_NOPF           1       /* protocol family not supported */
  53 #define ESP_STAT_NOTDB          2
  54 #define ESP_STAT_BADKCR         3
  55 #define ESP_STAT_QFULL          4
  56 #define ESP_STAT_NOXFORM        5
  57 #define ESP_STAT_BADILEN        6
  58 #define ESP_STAT_WRAP           7       /* replay counter wrapped around */
  59 #define ESP_STAT_BADENC         8       /* bad encryption detected */
  60 #define ESP_STAT_BADAUTH        9       /* (only valid for xforms with auth) */
  61 #define ESP_STAT_REPLAY         10      /* possible packet replay detected */
  62 #define ESP_STAT_INPUT          11      /* input ESP packets */
  63 #define ESP_STAT_OUTPUT         12      /* output ESP packets */
  64 #define ESP_STAT_INVALID        13      /* trying to use an invalid TDB */
  65 #define ESP_STAT_IBYTES         14      /* input bytes */
  66 #define ESP_STAT_OBYTES         15      /* output bytes */
  67 #define ESP_STAT_TOOBIG         16      /* packet got larger than IP_MAXPACKET */
  68 #define ESP_STAT_PDROPS         17      /* packet blocked due to policy */
  69 #define ESP_STAT_CRYPTO         18      /* crypto processing failure */
  70 #define ESP_STAT_TUNNEL         19      /* tunnel sanity check failure */
  71 #define ESP_STAT_HIST           20      /* per-algorithm op count */
  72                 /* space for ESP_ALG_MAX (256) counters */
  73
  74 #define ESP_NSTATS              276
  75
  76 #ifdef _KERNEL
  77 extern  int esp_enable;
  78 #endif /* _KERNEL */
  79 #endif /* !_NETIPSEC_ESP_VAR_H_ */