xref: /freebsd/sys/netipsec/ipcomp_var.h (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1 /*	$FreeBSD$	*/
2 /*	$KAME: ipcomp.h,v 1.8 2000/09/26 07:55:14 itojun Exp $	*/
3 
4 /*-
5  * SPDX-License-Identifier: BSD-3-Clause
6  *
7  * Copyright (C) 1999 WIDE Project.
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the project nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef _NETIPSEC_IPCOMP_VAR_H_
36 #define _NETIPSEC_IPCOMP_VAR_H_
37 
38 /*
39  * These define the algorithm indices into the histogram.  They're
40  * presently based on the PF_KEY v2 protocol values which is bogus;
41  * they should be decoupled from the protocol at which time we can
42  * pack them and reduce the size of the array to a minimum.
43  */
44 #define	IPCOMP_ALG_MAX	8
45 
46 #define	IPCOMPSTAT_VERSION	2
47 struct ipcompstat {
48 	uint64_t	ipcomps_hdrops;	/* Packet shorter than header shows */
49 	uint64_t	ipcomps_nopf;	/* Protocol family not supported */
50 	uint64_t	ipcomps_notdb;
51 	uint64_t	ipcomps_badkcr;
52 	uint64_t	ipcomps_qfull;
53 	uint64_t	ipcomps_noxform;
54 	uint64_t	ipcomps_wrap;
55 	uint64_t	ipcomps_input;	/* Input IPcomp packets */
56 	uint64_t	ipcomps_output;	/* Output IPcomp packets */
57 	uint64_t	ipcomps_invalid;/* Trying to use an invalid TDB */
58 	uint64_t	ipcomps_ibytes;	/* Input bytes */
59 	uint64_t	ipcomps_obytes;	/* Output bytes */
60 	uint64_t	ipcomps_toobig;	/* Packet got > IP_MAXPACKET */
61 	uint64_t	ipcomps_pdrops;	/* Packet blocked due to policy */
62 	uint64_t	ipcomps_crypto;	/* "Crypto" processing failure */
63 	uint64_t	ipcomps_hist[IPCOMP_ALG_MAX];/* Per-algorithm op count */
64 	uint64_t	ipcomps_threshold; /* Packet < comp. algo. threshold. */
65 	uint64_t	ipcomps_uncompr; /* Compression was useles. */
66 };
67 
68 #ifdef _KERNEL
69 #include <sys/counter.h>
70 
71 VNET_DECLARE(int, ipcomp_enable);
72 VNET_PCPUSTAT_DECLARE(struct ipcompstat, ipcompstat);
73 
74 #define	IPCOMPSTAT_ADD(name, val)	\
75     VNET_PCPUSTAT_ADD(struct ipcompstat, ipcompstat, name, (val))
76 #define	IPCOMPSTAT_INC(name)		IPCOMPSTAT_ADD(name, 1)
77 #define	V_ipcomp_enable		VNET(ipcomp_enable)
78 #endif /* _KERNEL */
79 #endif /*_NETIPSEC_IPCOMP_VAR_H_*/
80