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