1105197Ssam/* $FreeBSD: releng/10.2/sys/netipsec/ah_var.h 253088 2013-07-09 10:08:13Z ae $ */ 2105197Ssam/* $OpenBSD: ip_ah.h,v 1.29 2002/06/09 16:26:10 itojun Exp $ */ 3139823Simp/*- 4105197Ssam * The authors of this code are John Ioannidis (ji@tla.org), 5105197Ssam * Angelos D. Keromytis (kermit@csd.uch.gr) and 6105197Ssam * Niels Provos (provos@physnet.uni-hamburg.de). 7105197Ssam * 8105197Ssam * The original version of this code was written by John Ioannidis 9105197Ssam * for BSD/OS in Athens, Greece, in November 1995. 10105197Ssam * 11105197Ssam * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 12105197Ssam * by Angelos D. Keromytis. 13105197Ssam * 14105197Ssam * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 15105197Ssam * and Niels Provos. 16105197Ssam * 17105197Ssam * Additional features in 1999 by Angelos D. Keromytis. 18105197Ssam * 19105197Ssam * Copyright (C) 1995, 1996, 1997, 1998, 1999 John Ioannidis, 20105197Ssam * Angelos D. Keromytis and Niels Provos. 21105197Ssam * Copyright (c) 2001 Angelos D. Keromytis. 22105197Ssam * 23105197Ssam * Permission to use, copy, and modify this software with or without fee 24105197Ssam * is hereby granted, provided that this entire notice is included in 25105197Ssam * all copies of any software which is or includes a copy or 26105197Ssam * modification of this software. 27105197Ssam * You may use this code under the GNU public license if you so wish. Please 28105197Ssam * contribute changes back to the authors under this freer than GPL license 29105197Ssam * so that we may further the use of strong encryption without limitations to 30105197Ssam * all. 31105197Ssam * 32105197Ssam * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 33105197Ssam * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 34105197Ssam * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 35105197Ssam * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 36105197Ssam * PURPOSE. 37105197Ssam */ 38105197Ssam 39105197Ssam#ifndef _NETIPSEC_AH_VAR_H_ 40105197Ssam#define _NETIPSEC_AH_VAR_H_ 41105197Ssam 42105197Ssam/* 43105197Ssam * These define the algorithm indices into the histogram. They're 44105197Ssam * presently based on the PF_KEY v2 protocol values which is bogus; 45105197Ssam * they should be decoupled from the protocol at which time we can 46105197Ssam * pack them and reduce the size of the array to a minimum. 47105197Ssam */ 48105197Ssam#define AH_ALG_MAX 16 49105197Ssam 50105197Ssamstruct ahstat { 51253081Sae uint64_t ahs_hdrops; /* Packet shorter than header shows */ 52253081Sae uint64_t ahs_nopf; /* Protocol family not supported */ 53253081Sae uint64_t ahs_notdb; 54253081Sae uint64_t ahs_badkcr; 55253081Sae uint64_t ahs_badauth; 56253081Sae uint64_t ahs_noxform; 57253081Sae uint64_t ahs_qfull; 58253081Sae uint64_t ahs_wrap; 59253081Sae uint64_t ahs_replay; 60253081Sae uint64_t ahs_badauthl; /* Bad authenticator length */ 61253081Sae uint64_t ahs_input; /* Input AH packets */ 62253081Sae uint64_t ahs_output; /* Output AH packets */ 63253081Sae uint64_t ahs_invalid; /* Trying to use an invalid TDB */ 64253081Sae uint64_t ahs_ibytes; /* Input bytes */ 65253081Sae uint64_t ahs_obytes; /* Output bytes */ 66253081Sae uint64_t ahs_toobig; /* Packet got larger than IP_MAXPACKET */ 67253081Sae uint64_t ahs_pdrops; /* Packet blocked due to policy */ 68253081Sae uint64_t ahs_crypto; /* Crypto processing failure */ 69253081Sae uint64_t ahs_tunnel; /* Tunnel sanity check failure */ 70253081Sae uint64_t ahs_hist[AH_ALG_MAX]; /* Per-algorithm op count */ 71105197Ssam}; 72105197Ssam 73105197Ssam#ifdef _KERNEL 74253088Sae#include <sys/counter.h> 75253088Sae 76195699SrwatsonVNET_DECLARE(int, ah_enable); 77207369SbzVNET_DECLARE(int, ah_cleartos); 78253088SaeVNET_PCPUSTAT_DECLARE(struct ahstat, ahstat); 79207369Sbz 80253088Sae#define AHSTAT_ADD(name, val) \ 81253088Sae VNET_PCPUSTAT_ADD(struct ahstat, ahstat, name , (val)) 82252028Sae#define AHSTAT_INC(name) AHSTAT_ADD(name, 1) 83195727Srwatson#define V_ah_enable VNET(ah_enable) 84195727Srwatson#define V_ah_cleartos VNET(ah_cleartos) 85105197Ssam#endif /* _KERNEL */ 86105197Ssam#endif /*_NETIPSEC_AH_VAR_H_*/ 87