Annotation of sys/netinet/ip_ipcomp.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ip_ipcomp.h,v 1.6 2004/02/17 12:07:45 markus Exp $ */
2:
3: /*
4: * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj@wabbitt.org)
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. The name of the author may not be used to endorse or promote products
16: * derived from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28: */
29:
30: /* IP payload compression protocol (IPComp), see RFC 2393 */
31:
32: #ifndef _NETINET_IP_IPCOMP_H_
33: #define _NETINET_IP_IPCOMP_H_
34:
35: struct ipcompstat {
36: u_int32_t ipcomps_hdrops; /* Packet shorter than header shows */
37: u_int32_t ipcomps_nopf; /* Protocol family not supported */
38: u_int32_t ipcomps_notdb;
39: u_int32_t ipcomps_badkcr;
40: u_int32_t ipcomps_qfull;
41: u_int32_t ipcomps_noxform;
42: u_int32_t ipcomps_wrap;
43: u_int32_t ipcomps_input; /* Input IPcomp packets */
44: u_int32_t ipcomps_output; /* Output IPcomp packets */
45: u_int32_t ipcomps_invalid; /* Trying to use an invalid
46: * TDB */
47: u_int64_t ipcomps_ibytes; /* Input bytes */
48: u_int64_t ipcomps_obytes; /* Output bytes */
49: u_int32_t ipcomps_toobig; /* Packet got larger than
50: * IP_MAXPACKET */
51: u_int32_t ipcomps_pdrops; /* Packet blocked due to policy */
52: u_int32_t ipcomps_crypto; /* "Crypto" processing failure */
53: u_int32_t ipcomps_minlen; /* packets too short for compress */
54: };
55:
56: /* IPCOMP header */
57: struct ipcomp {
58: u_int8_t ipcomp_nh; /* Next header */
59: u_int8_t ipcomp_flags; /* Flags: reserved field: 0 */
60: u_int16_t ipcomp_cpi; /* Compression Parameter Index,
61: * Network order */
62: };
63:
64: /* Length of IPCOMP header */
65: #define IPCOMP_HLENGTH 4
66:
67: /*
68: * Names for IPCOMP sysctl objects
69: */
70: #define IPCOMPCTL_ENABLE 1 /* Enable COMP processing */
71: #define IPCOMPCTL_MAXID 2
72:
73: #define IPCOMPCTL_NAMES { \
74: { 0, 0 }, \
75: { "enable", CTLTYPE_INT}, \
76: }
77:
78: #define IPCOMPCTL_VARS { \
79: NULL, \
80: &ipcomp_enable, \
81: }
82:
83: #ifdef _KERNEL
84: extern int ipcomp_enable;
85: extern struct ipcompstat ipcompstat;
86: #endif /* _KERNEL */
87: #endif /* _NETINET_IP_IPCOMP_H_ */
CVSweb