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84 lines
3.2 KiB
C
84 lines
3.2 KiB
C
/* $FreeBSD$ */
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/* $OpenBSD: ip_esp.h,v 1.37 2002/06/09 16:26:10 itojun Exp $ */
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/*-
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* The authors of this code are John Ioannidis (ji@tla.org),
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* Angelos D. Keromytis (kermit@csd.uch.gr) and
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* Niels Provos (provos@physnet.uni-hamburg.de).
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*
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* The original version of this code was written by John Ioannidis
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* for BSD/OS in Athens, Greece, in November 1995.
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*
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* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
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* by Angelos D. Keromytis.
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*
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* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
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* and Niels Provos.
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*
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* Additional features in 1999 by Angelos D. Keromytis.
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*
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* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
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* Angelos D. Keromytis and Niels Provos.
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* Copyright (c) 2001 Angelos D. Keromytis.
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*
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* Permission to use, copy, and modify this software with or without fee
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* is hereby granted, provided that this entire notice is included in
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* all copies of any software which is or includes a copy or
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* modification of this software.
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* You may use this code under the GNU public license if you so wish. Please
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* contribute changes back to the authors under this freer than GPL license
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* so that we may further the use of strong encryption without limitations to
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* all.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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* PURPOSE.
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*/
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#ifndef _NETIPSEC_ESP_VAR_H_
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#define _NETIPSEC_ESP_VAR_H_
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/*
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* These define the algorithm indices into the histogram. They're
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* presently based on the PF_KEY v2 protocol values which is bogus;
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* they should be decoupled from the protocol at which time we can
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* pack them and reduce the size of the array to a reasonable value.
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*/
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#define ESP_ALG_MAX 256 /* NB: could be < but skipjack is 249 */
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struct espstat {
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u_int32_t esps_hdrops; /* Packet shorter than header shows */
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u_int32_t esps_nopf; /* Protocol family not supported */
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u_int32_t esps_notdb;
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u_int32_t esps_badkcr;
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u_int32_t esps_qfull;
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u_int32_t esps_noxform;
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u_int32_t esps_badilen;
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u_int32_t esps_wrap; /* Replay counter wrapped around */
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u_int32_t esps_badenc; /* Bad encryption detected */
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u_int32_t esps_badauth; /* Only valid for transforms with auth */
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u_int32_t esps_replay; /* Possible packet replay detected */
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u_int32_t esps_input; /* Input ESP packets */
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u_int32_t esps_output; /* Output ESP packets */
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u_int32_t esps_invalid; /* Trying to use an invalid TDB */
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u_int64_t esps_ibytes; /* Input bytes */
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u_int64_t esps_obytes; /* Output bytes */
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u_int32_t esps_toobig; /* Packet got larger than IP_MAXPACKET */
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u_int32_t esps_pdrops; /* Packet blocked due to policy */
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u_int32_t esps_crypto; /* Crypto processing failure */
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u_int32_t esps_tunnel; /* Tunnel sanity check failure */
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u_int32_t esps_hist[ESP_ALG_MAX]; /* Per-algorithm op count */
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};
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#ifdef _KERNEL
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VNET_DECLARE(int, esp_enable);
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VNET_DECLARE(struct espstat, espstat);
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#define ESPSTAT_ADD(name, val) V_espstat.name += (val)
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#define ESPSTAT_INC(name) ESPSTAT_ADD(name, 1)
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#define V_esp_enable VNET(esp_enable)
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#define V_espstat VNET(espstat)
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#endif /* _KERNEL */
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#endif /*_NETIPSEC_ESP_VAR_H_*/
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