1/*	$FreeBSD$	*/
2/*	$KAME: ipcomp.h,v 1.8 2000/09/26 07:55:14 itojun Exp $	*/
3
4/*-
5 * Copyright (C) 1999 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef _NETIPSEC_IPCOMP_VAR_H_
34#define _NETIPSEC_IPCOMP_VAR_H_
35
36/*
37 * These define the algorithm indices into the histogram.  They're
38 * presently based on the PF_KEY v2 protocol values which is bogus;
39 * they should be decoupled from the protocol at which time we can
40 * pack them and reduce the size of the array to a minimum.
41 */
42#define	IPCOMP_ALG_MAX	8
43
44#define	IPCOMPSTAT_VERSION	2
45struct ipcompstat {
46	uint64_t	ipcomps_hdrops;	/* Packet shorter than header shows */
47	uint64_t	ipcomps_nopf;	/* Protocol family not supported */
48	uint64_t	ipcomps_notdb;
49	uint64_t	ipcomps_badkcr;
50	uint64_t	ipcomps_qfull;
51	uint64_t	ipcomps_noxform;
52	uint64_t	ipcomps_wrap;
53	uint64_t	ipcomps_input;	/* Input IPcomp packets */
54	uint64_t	ipcomps_output;	/* Output IPcomp packets */
55	uint64_t	ipcomps_invalid;/* Trying to use an invalid TDB */
56	uint64_t	ipcomps_ibytes;	/* Input bytes */
57	uint64_t	ipcomps_obytes;	/* Output bytes */
58	uint64_t	ipcomps_toobig;	/* Packet got > IP_MAXPACKET */
59	uint64_t	ipcomps_pdrops;	/* Packet blocked due to policy */
60	uint64_t	ipcomps_crypto;	/* "Crypto" processing failure */
61	uint64_t	ipcomps_hist[IPCOMP_ALG_MAX];/* Per-algorithm op count */
62	uint64_t	ipcomps_threshold; /* Packet < comp. algo. threshold. */
63	uint64_t	ipcomps_uncompr; /* Compression was useles. */
64};
65
66#ifdef _KERNEL
67#include <sys/counter.h>
68
69VNET_DECLARE(int, ipcomp_enable);
70VNET_PCPUSTAT_DECLARE(struct ipcompstat, ipcompstat);
71
72#define	IPCOMPSTAT_ADD(name, val)	\
73    VNET_PCPUSTAT_ADD(struct ipcompstat, ipcompstat, name, (val))
74#define	IPCOMPSTAT_INC(name)		IPCOMPSTAT_ADD(name, 1)
75#define	V_ipcomp_enable		VNET(ipcomp_enable)
76#endif /* _KERNEL */
77#endif /*_NETIPSEC_IPCOMP_VAR_H_*/
78