/* $OpenBSD: ip_esp.h,v 1.37 2002/06/09 16:26:10 itojun Exp $ */ /*- * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr) and * Niels Provos (provos@physnet.uni-hamburg.de). * * The original version of this code was written by John Ioannidis * for BSD/OS in Athens, Greece, in November 1995. * * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, * by Angelos D. Keromytis. * * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis * and Niels Provos. * * Additional features in 1999 by Angelos D. Keromytis. * * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, * Angelos D. Keromytis and Niels Provos. * Copyright (c) 2001 Angelos D. Keromytis. * * Permission to use, copy, and modify this software with or without fee * is hereby granted, provided that this entire notice is included in * all copies of any software which is or includes a copy or * modification of this software. * You may use this code under the GNU public license if you so wish. Please * contribute changes back to the authors under this freer than GPL license * so that we may further the use of strong encryption without limitations to * all. * * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR * PURPOSE. */ #ifndef _NETIPSEC_ESP_VAR_H_ #define _NETIPSEC_ESP_VAR_H_ /* * These define the algorithm indices into the histogram. They're * presently based on the PF_KEY v2 protocol values which is bogus; * they should be decoupled from the protocol at which time we can * pack them and reduce the size of the array to a reasonable value. */ #define ESP_ALG_MAX 256 /* NB: could be < but skipjack is 249 */ struct espstat { uint64_t esps_hdrops; /* Packet shorter than header shows */ uint64_t esps_nopf; /* Protocol family not supported */ uint64_t esps_notdb; uint64_t esps_badkcr; uint64_t esps_qfull; uint64_t esps_noxform; uint64_t esps_badilen; uint64_t esps_wrap; /* Replay counter wrapped around */ uint64_t esps_badenc; /* Bad encryption detected */ uint64_t esps_badauth; /* Only valid for transforms with auth */ uint64_t esps_replay; /* Possible packet replay detected */ uint64_t esps_input; /* Input ESP packets */ uint64_t esps_output; /* Output ESP packets */ uint64_t esps_invalid; /* Trying to use an invalid TDB */ uint64_t esps_ibytes; /* Input bytes */ uint64_t esps_obytes; /* Output bytes */ uint64_t esps_toobig; /* Packet got larger than IP_MAXPACKET */ uint64_t esps_pdrops; /* Packet blocked due to policy */ uint64_t esps_crypto; /* Crypto processing failure */ uint64_t esps_tunnel; /* Tunnel sanity check failure */ uint64_t esps_hist[ESP_ALG_MAX]; /* Per-algorithm op count */ }; #ifdef _KERNEL #include <sys/counter.h> #include <netinet/in_kdtrace.h> VNET_DECLARE(int, esp_enable); VNET_DECLARE(int, esp_ctr_compatibility); #define V_esp_ctr_compatibility VNET(esp_ctr_compatibility) VNET_PCPUSTAT_DECLARE(struct espstat, espstat); #define ESPSTAT_ADD(name, val) \ do { \ MIB_SDT_PROBE1(esp, count, name, (val)); \ VNET_PCPUSTAT_ADD(struct espstat, espstat, name, (val)); \ } while (0) #define ESPSTAT_INC(name) ESPSTAT_ADD(name, 1) #define ESPSTAT_INC2(name, type) \ do { \ MIB_SDT_PROBE2(esp, count, name, 1, (type)); \ VNET_PCPUSTAT_ADD(struct espstat, espstat, name[type], 1); \ } while (0) #define V_esp_enable VNET(esp_enable) #endif /* _KERNEL */ #endif /*_NETIPSEC_ESP_VAR_H_*/
