Annotation of sys/netinet/ip_ipcomp.h, Revision 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_ */
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