1 /* $NetBSD: esp_var.h,v 1.2 2004/05/07 00:55:14 jonathan 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 struct espstat { 52 u_int64_t esps_hdrops; /* Packet shorter than header shows */ 53 u_int64_t esps_nopf; /* Protocol family not supported */ 54 u_int64_t esps_notdb; 55 u_int64_t esps_badkcr; 56 u_int64_t esps_qfull; 57 u_int64_t esps_noxform; 58 u_int64_t esps_badilen; 59 u_int64_t esps_wrap; /* Replay counter wrapped around */ 60 u_int64_t esps_badenc; /* Bad encryption detected */ 61 u_int64_t esps_badauth; /* Only valid for transforms with auth */ 62 u_int64_t esps_replay; /* Possible packet replay detected */ 63 u_int64_t esps_input; /* Input ESP packets */ 64 u_int64_t esps_output; /* Output ESP packets */ 65 u_int64_t esps_invalid; /* Trying to use an invalid TDB */ 66 u_int64_t esps_ibytes; /* Input bytes */ 67 u_int64_t esps_obytes; /* Output bytes */ 68 u_int64_t esps_toobig; /* Packet got larger than IP_MAXPACKET */ 69 u_int64_t esps_pdrops; /* Packet blocked due to policy */ 70 u_int64_t esps_crypto; /* Crypto processing failure */ 71 u_int64_t esps_tunnel; /* Tunnel sanity check failure */ 72 u_int64_t esps_hist[ESP_ALG_MAX]; /* Per-algorithm op count */ 73 }; 74 75 #ifdef _KERNEL 76 extern int esp_enable; 77 extern struct espstat espstat; 78 #endif /* _KERNEL */ 79 #endif /*_NETIPSEC_ESP_VAR_H_*/ 80