1/*	$KAME: ipcomp.h,v 1.8 2000/09/26 07:55:14 itojun Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 1999 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef _NETIPSEC_IPCOMP_VAR_H_
35#define _NETIPSEC_IPCOMP_VAR_H_
36
37/*
38 * These define the algorithm indices into the histogram.  They're
39 * presently based on the PF_KEY v2 protocol values which is bogus;
40 * they should be decoupled from the protocol at which time we can
41 * pack them and reduce the size of the array to a minimum.
42 */
43#define	IPCOMP_ALG_MAX	8
44
45#define	IPCOMPSTAT_VERSION	2
46struct ipcompstat {
47	uint64_t	ipcomps_hdrops;	/* Packet shorter than header shows */
48	uint64_t	ipcomps_nopf;	/* Protocol family not supported */
49	uint64_t	ipcomps_notdb;
50	uint64_t	ipcomps_badkcr;
51	uint64_t	ipcomps_qfull;
52	uint64_t	ipcomps_noxform;
53	uint64_t	ipcomps_wrap;
54	uint64_t	ipcomps_input;	/* Input IPcomp packets */
55	uint64_t	ipcomps_output;	/* Output IPcomp packets */
56	uint64_t	ipcomps_invalid;/* Trying to use an invalid TDB */
57	uint64_t	ipcomps_ibytes;	/* Input bytes */
58	uint64_t	ipcomps_obytes;	/* Output bytes */
59	uint64_t	ipcomps_toobig;	/* Packet got > IP_MAXPACKET */
60	uint64_t	ipcomps_pdrops;	/* Packet blocked due to policy */
61	uint64_t	ipcomps_crypto;	/* "Crypto" processing failure */
62	uint64_t	ipcomps_hist[IPCOMP_ALG_MAX];/* Per-algorithm op count */
63	uint64_t	ipcomps_threshold; /* Packet < comp. algo. threshold. */
64	uint64_t	ipcomps_uncompr; /* Compression was useles. */
65};
66
67#ifdef _KERNEL
68#include <sys/counter.h>
69
70VNET_DECLARE(int, ipcomp_enable);
71VNET_PCPUSTAT_DECLARE(struct ipcompstat, ipcompstat);
72
73#define	IPCOMPSTAT_ADD(name, val)	\
74    VNET_PCPUSTAT_ADD(struct ipcompstat, ipcompstat, name, (val))
75#define	IPCOMPSTAT_INC(name)		IPCOMPSTAT_ADD(name, 1)
76#define	V_ipcomp_enable		VNET(ipcomp_enable)
77#endif /* _KERNEL */
78#endif /*_NETIPSEC_IPCOMP_VAR_H_*/
79