freebsd-src/sys/netgraph/ng_pptpgre.h
Archie Cobbs add85a1d6e New netgraph node type 'pptpgre': this performs GRE encapsulation
for the PPTP protocol as specified in RFC 2637.
1999-12-08 18:55:39 +00:00

85 lines
3.3 KiB
C

/*
* ng_pptpgre.h
*
* Copyright (c) 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@whistle.com>
*
* $FreeBSD$
* $Whistle: ng_pptpgre.h,v 1.3 1999/12/08 00:11:36 archie Exp $
*/
#ifndef _NETGRAPH_PPTPGRE_H_
#define _NETGRAPH_PPTPGRE_H_
/* Node type name and magic cookie */
#define NG_PPTPGRE_NODE_TYPE "pptpgre"
#define NGM_PPTPGRE_COOKIE 942783546
/* Hook names */
#define NG_PPTPGRE_HOOK_UPPER "upper" /* to upper layers */
#define NG_PPTPGRE_HOOK_LOWER "lower" /* to lower layers */
/* Configuration for a session */
struct ng_pptpgre_conf {
u_char enabled; /* enables traffic flow */
u_char enableDelayedAck;/* enables delayed acks */
u_int16_t cid; /* my call id */
u_int16_t peerCid; /* peer call id */
u_int16_t recvWin; /* peer recv window size */
u_int16_t peerPpd; /* peer packet processing delay
(in units of 1/10 of a second) */
};
/* Keep this in sync with the above structure definition */
#define NG_PPTPGRE_CONF_TYPE_INFO { \
{ \
{ "enabled", &ng_parse_int8_type }, \
{ "enableDelayedAck", &ng_parse_int8_type }, \
{ "cid", &ng_parse_int16_type }, \
{ "peerCid", &ng_parse_int16_type }, \
{ "recvWin", &ng_parse_int16_type }, \
{ "peerPpd", &ng_parse_int16_type }, \
{ NULL }, \
} \
}
/* Netgraph commands */
enum {
NGM_PPTPGRE_SET_CONFIG = 1, /* supply a struct ng_pptpgre_conf */
NGM_PPTPGRE_GET_CONFIG, /* returns a struct ng_pptpgre_conf */
};
#endif /* _NETGRAPH_PPTPGRE_H_ */