The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netipsec/ipcomp_var.h

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    1 /*      $FreeBSD: releng/9.0/sys/netipsec/ipcomp_var.h 207369 2010-04-29 11:52:42Z bz $ */
    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      1
   45 struct ipcompstat {
   46         u_int32_t       ipcomps_hdrops; /* Packet shorter than header shows */
   47         u_int32_t       ipcomps_nopf;   /* Protocol family not supported */
   48         u_int32_t       ipcomps_notdb;
   49         u_int32_t       ipcomps_badkcr;
   50         u_int32_t       ipcomps_qfull;
   51         u_int32_t       ipcomps_noxform;
   52         u_int32_t       ipcomps_wrap;
   53         u_int32_t       ipcomps_input;  /* Input IPcomp packets */
   54         u_int32_t       ipcomps_output; /* Output IPcomp packets */
   55         u_int32_t       ipcomps_invalid;/* Trying to use an invalid TDB */
   56         u_int64_t       ipcomps_ibytes; /* Input bytes */
   57         u_int64_t       ipcomps_obytes; /* Output bytes */
   58         u_int32_t       ipcomps_toobig; /* Packet got > IP_MAXPACKET */
   59         u_int32_t       ipcomps_pdrops; /* Packet blocked due to policy */
   60         u_int32_t       ipcomps_crypto; /* "Crypto" processing failure */
   61         u_int32_t       ipcomps_hist[IPCOMP_ALG_MAX];/* Per-algorithm op count */
   62         u_int32_t       version;        /* Version of this structure. */
   63         u_int32_t       ipcomps_threshold; /* Packet < comp. algo. threshold. */
   64         u_int32_t       ipcomps_uncompr; /* Compression was useles. */
   65 };
   66 
   67 #ifdef _KERNEL
   68 VNET_DECLARE(int, ipcomp_enable);
   69 VNET_DECLARE(struct ipcompstat, ipcompstat);
   70 
   71 #define V_ipcomp_enable         VNET(ipcomp_enable)
   72 #define V_ipcompstat            VNET(ipcompstat)
   73 #endif /* _KERNEL */
   74 #endif /*_NETIPSEC_IPCOMP_VAR_H_*/

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