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: head/sys/netipsec/ipcomp_var.h 326023 2017-11-20 19:43:44Z pfg $      */
    2 /*      $KAME: ipcomp.h,v 1.8 2000/09/26 07:55:14 itojun Exp $  */
    3 
    4 /*-
    5  * SPDX-License-Identifier: BSD-3-Clause
    6  *
    7  * Copyright (C) 1999 WIDE Project.
    8  * All rights reserved.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the project nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  */
   34 
   35 #ifndef _NETIPSEC_IPCOMP_VAR_H_
   36 #define _NETIPSEC_IPCOMP_VAR_H_
   37 
   38 /*
   39  * These define the algorithm indices into the histogram.  They're
   40  * presently based on the PF_KEY v2 protocol values which is bogus;
   41  * they should be decoupled from the protocol at which time we can
   42  * pack them and reduce the size of the array to a minimum.
   43  */
   44 #define IPCOMP_ALG_MAX  8
   45 
   46 #define IPCOMPSTAT_VERSION      2
   47 struct ipcompstat {
   48         uint64_t        ipcomps_hdrops; /* Packet shorter than header shows */
   49         uint64_t        ipcomps_nopf;   /* Protocol family not supported */
   50         uint64_t        ipcomps_notdb;
   51         uint64_t        ipcomps_badkcr;
   52         uint64_t        ipcomps_qfull;
   53         uint64_t        ipcomps_noxform;
   54         uint64_t        ipcomps_wrap;
   55         uint64_t        ipcomps_input;  /* Input IPcomp packets */
   56         uint64_t        ipcomps_output; /* Output IPcomp packets */
   57         uint64_t        ipcomps_invalid;/* Trying to use an invalid TDB */
   58         uint64_t        ipcomps_ibytes; /* Input bytes */
   59         uint64_t        ipcomps_obytes; /* Output bytes */
   60         uint64_t        ipcomps_toobig; /* Packet got > IP_MAXPACKET */
   61         uint64_t        ipcomps_pdrops; /* Packet blocked due to policy */
   62         uint64_t        ipcomps_crypto; /* "Crypto" processing failure */
   63         uint64_t        ipcomps_hist[IPCOMP_ALG_MAX];/* Per-algorithm op count */
   64         uint64_t        ipcomps_threshold; /* Packet < comp. algo. threshold. */
   65         uint64_t        ipcomps_uncompr; /* Compression was useles. */
   66 };
   67 
   68 #ifdef _KERNEL
   69 #include <sys/counter.h>
   70 
   71 VNET_DECLARE(int, ipcomp_enable);
   72 VNET_PCPUSTAT_DECLARE(struct ipcompstat, ipcompstat);
   73 
   74 #define IPCOMPSTAT_ADD(name, val)       \
   75     VNET_PCPUSTAT_ADD(struct ipcompstat, ipcompstat, name, (val))
   76 #define IPCOMPSTAT_INC(name)            IPCOMPSTAT_ADD(name, 1)
   77 #define V_ipcomp_enable         VNET(ipcomp_enable)
   78 #endif /* _KERNEL */
   79 #endif /*_NETIPSEC_IPCOMP_VAR_H_*/

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