diff options
Diffstat (limited to 'sys/netipsec/esp_var.h')
| -rw-r--r-- | sys/netipsec/esp_var.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sys/netipsec/esp_var.h b/sys/netipsec/esp_var.h new file mode 100644 index 000000000000..22cf3aa3afdc --- /dev/null +++ b/sys/netipsec/esp_var.h @@ -0,0 +1,78 @@ +/* $FreeBSD$ */ +/* $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 { + u_int32_t esps_hdrops; /* Packet shorter than header shows */ + u_int32_t esps_nopf; /* Protocol family not supported */ + u_int32_t esps_notdb; + u_int32_t esps_badkcr; + u_int32_t esps_qfull; + u_int32_t esps_noxform; + u_int32_t esps_badilen; + u_int32_t esps_wrap; /* Replay counter wrapped around */ + u_int32_t esps_badenc; /* Bad encryption detected */ + u_int32_t esps_badauth; /* Only valid for transforms with auth */ + u_int32_t esps_replay; /* Possible packet replay detected */ + u_int32_t esps_input; /* Input ESP packets */ + u_int32_t esps_output; /* Output ESP packets */ + u_int32_t esps_invalid; /* Trying to use an invalid TDB */ + u_int64_t esps_ibytes; /* Input bytes */ + u_int64_t esps_obytes; /* Output bytes */ + u_int32_t esps_toobig; /* Packet got larger than IP_MAXPACKET */ + u_int32_t esps_pdrops; /* Packet blocked due to policy */ + u_int32_t esps_crypto; /* Crypto processing failure */ + u_int32_t esps_tunnel; /* Tunnel sanity check failure */ + u_int32_t esps_hist[ESP_ALG_MAX]; /* Per-algorithm op count */ +}; + +#ifdef _KERNEL +extern int esp_enable; +extern struct espstat espstat; +#endif /* _KERNEL */ +#endif /*_NETIPSEC_ESP_VAR_H_*/ |