The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netipsec/esp_var.h

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    1 /*      $NetBSD: esp_var.h,v 1.4 2008/04/23 06:09:05 thorpej 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_ */

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