1 /* $NetBSD: ah_var.h,v 1.2 2004/05/07 00:55:14 jonathan Exp $ */ 2 /* $FreeBSD: src/sys/netipsec/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 /* 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 minimum. 48 */ 49 #define AH_ALG_MAX 16 50 51 struct ahstat { 52 u_int64_t ahs_hdrops; /* Packet shorter than header shows */ 53 u_int64_t ahs_nopf; /* Protocol family not supported */ 54 u_int64_t ahs_notdb; 55 u_int64_t ahs_badkcr; 56 u_int64_t ahs_badauth; 57 u_int64_t ahs_noxform; 58 u_int64_t ahs_qfull; 59 u_int64_t ahs_wrap; 60 u_int64_t ahs_replay; 61 u_int64_t ahs_badauthl; /* Bad authenticator length */ 62 u_int64_t ahs_input; /* Input AH packets */ 63 u_int64_t ahs_output; /* Output AH packets */ 64 u_int64_t ahs_invalid; /* Trying to use an invalid TDB */ 65 u_int64_t ahs_ibytes; /* Input bytes */ 66 u_int64_t ahs_obytes; /* Output bytes */ 67 u_int64_t ahs_toobig; /* Packet got larger than IP_MAXPACKET */ 68 u_int64_t ahs_pdrops; /* Packet blocked due to policy */ 69 u_int64_t ahs_crypto; /* Crypto processing failure */ 70 u_int64_t ahs_tunnel; /* Tunnel sanity check failure */ 71 u_int64_t ahs_hist[AH_ALG_MAX]; /* Per-algorithm op count */ 72 }; 73 74 #ifdef _KERNEL 75 extern int ah_enable; 76 extern int ah_cleartos; 77 extern struct ahstat ahstat; 78 #endif /* _KERNEL */ 79 #endif /*_NETIPSEC_AH_VAR_H_*/ 80