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89 lines
3.5 KiB
C
89 lines
3.5 KiB
C
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/*
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* ng_vjc.h
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*/
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/*-
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* Copyright (c) 1996-1999 Whistle Communications, Inc.
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* All rights reserved.
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*
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* Subject to the following obligations and disclaimer of warranty, use and
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* redistribution of this software, in source or object code forms, with or
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* without modifications are expressly permitted by Whistle Communications;
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* provided, however, that:
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* 1. Any and all reproductions of the source or object code must include the
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* copyright notice above and the following disclaimer of warranties; and
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* 2. No rights are granted, in any manner or form, to use Whistle
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* Communications, Inc. trademarks, including the mark "WHISTLE
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* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
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* such appears in the above copyright notice or in the software.
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*
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* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
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* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
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* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
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* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
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* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
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* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
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* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
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* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* Author: Archie Cobbs <archie@freebsd.org>
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*
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* $FreeBSD$
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* $Whistle: ng_vjc.h,v 1.6 1999/01/25 02:40:22 archie Exp $
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*/
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#ifndef _NETGRAPH_NG_VJC_H_
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#define _NETGRAPH_NG_VJC_H_
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/* Node type name and magic cookie */
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#define NG_VJC_NODE_TYPE "vjc"
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#define NGM_VJC_COOKIE 868219210
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/* Hook names */
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#define NG_VJC_HOOK_IP "ip" /* normal IP traffic */
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#define NG_VJC_HOOK_VJCOMP "vjcomp" /* compressed TCP */
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#define NG_VJC_HOOK_VJUNCOMP "vjuncomp" /* uncompressed TCP */
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#define NG_VJC_HOOK_VJIP "vjip" /* uncompressed IP */
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/* Minimum and maximum number of compression channels */
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#define NG_VJC_MIN_CHANNELS 4
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#define NG_VJC_MAX_CHANNELS 16
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/* Configure struct */
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struct ngm_vjc_config {
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u_char enableComp; /* Enable compression */
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u_char enableDecomp; /* Enable decompression */
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u_char maxChannel; /* Number of compression channels - 1 */
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u_char compressCID; /* OK to compress outgoing CID's */
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};
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/* Keep this in sync with the above structure definition */
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#define NG_VJC_CONFIG_TYPE_INFO { \
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{ "enableComp", &ng_parse_uint8_type }, \
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{ "enableDecomp", &ng_parse_uint8_type }, \
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{ "maxChannel", &ng_parse_uint8_type }, \
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{ "compressCID", &ng_parse_uint8_type }, \
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{ NULL } \
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}
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/* Netgraph commands */
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enum {
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NGM_VJC_SET_CONFIG, /* Supply a struct ngm_vjc_config */
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NGM_VJC_GET_CONFIG, /* Returns a struct ngm_vjc_config */
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NGM_VJC_GET_STATE, /* Returns current struct slcompress */
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NGM_VJC_CLR_STATS, /* Clears statistics counters */
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NGM_VJC_RECV_ERROR, /* Indicate loss of incoming frame */
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};
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#endif /* _NETGRAPH_NG_VJC_H_ */
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