ng_vjc.h revision 64509
1153838Sdfr 2153838Sdfr/* 3153838Sdfr * ng_vjc.h 4153838Sdfr * 5153838Sdfr * Copyright (c) 1996-1999 Whistle Communications, Inc. 6153838Sdfr * All rights reserved. 7153838Sdfr * 8153838Sdfr * Subject to the following obligations and disclaimer of warranty, use and 9153838Sdfr * redistribution of this software, in source or object code forms, with or 10153838Sdfr * without modifications are expressly permitted by Whistle Communications; 11153838Sdfr * provided, however, that: 12153838Sdfr * 1. Any and all reproductions of the source or object code must include the 13153838Sdfr * copyright notice above and the following disclaimer of warranties; and 14153838Sdfr * 2. No rights are granted, in any manner or form, to use Whistle 15153838Sdfr * Communications, Inc. trademarks, including the mark "WHISTLE 16153838Sdfr * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 17153838Sdfr * such appears in the above copyright notice or in the software. 18153838Sdfr * 19153838Sdfr * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 20153838Sdfr * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 21153838Sdfr * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 22153838Sdfr * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 23153838Sdfr * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 24153838Sdfr * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 25153838Sdfr * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 26153838Sdfr * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 27153838Sdfr * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 28153838Sdfr * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 29153838Sdfr * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 30153838Sdfr * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 31153838Sdfr * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32153838Sdfr * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33153838Sdfr * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34153838Sdfr * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35153838Sdfr * OF SUCH DAMAGE. 36153838Sdfr * 37153838Sdfr * Author: Archie Cobbs <archie@whistle.com> 38153838Sdfr * 39153838Sdfr * $FreeBSD: head/sys/netgraph/ng_vjc.h 64509 2000-08-10 22:48:03Z archie $ 40153838Sdfr * $Whistle: ng_vjc.h,v 1.6 1999/01/25 02:40:22 archie Exp $ 41153838Sdfr */ 42153838Sdfr 43153838Sdfr#ifndef _NETGRAPH_VJC_H_ 44153838Sdfr#define _NETGRAPH_VJC_H_ 45 46 /* Node type name and magic cookie */ 47#define NG_VJC_NODE_TYPE "vjc" 48#define NGM_VJC_COOKIE 868219210 49 50 /* Hook names */ 51#define NG_VJC_HOOK_IP "ip" /* normal IP traffic */ 52#define NG_VJC_HOOK_VJCOMP "vjcomp" /* compressed TCP */ 53#define NG_VJC_HOOK_VJUNCOMP "vjuncomp" /* uncompressed TCP */ 54#define NG_VJC_HOOK_VJIP "vjip" /* uncompressed IP */ 55 56 /* Minimum and maximum number of compression channels */ 57#define NG_VJC_MIN_CHANNELS 4 58#define NG_VJC_MAX_CHANNELS 16 59 60 /* Configure struct */ 61struct ngm_vjc_config { 62 u_char enableComp; /* Enable compression */ 63 u_char enableDecomp; /* Enable decompression */ 64 u_char maxChannel; /* Number of compression channels - 1 */ 65 u_char compressCID; /* OK to compress outgoing CID's */ 66}; 67 68/* Keep this in sync with the above structure definition */ 69#define NG_VJC_CONFIG_TYPE_INFO { \ 70 { \ 71 { "enableComp", &ng_parse_uint8_type }, \ 72 { "enableDecomp", &ng_parse_uint8_type }, \ 73 { "maxChannel", &ng_parse_uint8_type }, \ 74 { "compressCID", &ng_parse_uint8_type }, \ 75 { NULL }, \ 76 } \ 77} 78 79 /* Netgraph commands */ 80enum { 81 NGM_VJC_SET_CONFIG, /* Supply a struct ngm_vjc_config */ 82 NGM_VJC_GET_CONFIG, /* Returns a struct ngm_vjc_config */ 83 NGM_VJC_GET_STATE, /* Returns current struct slcompress */ 84 NGM_VJC_CLR_STATS, /* Clears statistics counters */ 85 NGM_VJC_RECV_ERROR, /* Indicate loss of incoming frame */ 86}; 87 88#endif /* _NETGRAPH_VJC_H_ */ 89