usr.sbin/ppp/async.h

   1 /*-
   2  * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/usr.sbin/ppp/async.h,v 1.6.2.2 2002/09/01 02:12:22 brian Exp $
  27  * $DragonFly: src/usr.sbin/ppp/async.h,v 1.2 2003/06/17 04:30:00 dillon Exp $
  28  */
  29
  30 #define HDLCSIZE        (MAX_MRU*2+6)
  31
  32 struct async {
  33   int mode;
  34   int length;
  35   u_char hbuff[HDLCSIZE];       /* recv buffer */
  36   u_char xbuff[HDLCSIZE];       /* xmit buffer */
  37   u_int32_t my_accmap;
  38   u_int32_t his_accmap;
  39
  40   struct {
  41     u_char EscMap[33];
  42   } cfg;
  43 };
  44
  45 struct lcp;
  46 struct mbuf;
  47 struct physical;
  48 struct bundle;
  49
  50 extern void async_Init(struct async *);
  51 extern void async_Setup(struct async *);
  52 extern void async_SetLinkParams(struct async *, u_int32_t, u_int32_t);
  53
  54 extern struct layer asynclayer;