xref: /freebsd/sys/netipsec/ipcomp_var.h (revision b0b1dbdd)
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
45 struct 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 
69 VNET_DECLARE(int, ipcomp_enable);
70 VNET_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