xref: /freebsd/sys/netipsec/ipcomp_var.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
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
46 struct 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 
70 VNET_DECLARE(int, ipcomp_enable);
71 VNET_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