131921Sbrian/*-
231921Sbrian * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
331921Sbrian * All rights reserved.
431921Sbrian *
531921Sbrian * Redistribution and use in source and binary forms, with or without
631921Sbrian * modification, are permitted provided that the following conditions
731921Sbrian * are met:
831921Sbrian * 1. Redistributions of source code must retain the above copyright
931921Sbrian *    notice, this list of conditions and the following disclaimer.
1031921Sbrian * 2. Redistributions in binary form must reproduce the above copyright
1131921Sbrian *    notice, this list of conditions and the following disclaimer in the
1231921Sbrian *    documentation and/or other materials provided with the distribution.
1331921Sbrian *
1431921Sbrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1531921Sbrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1631921Sbrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1731921Sbrian * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1831921Sbrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1931921Sbrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2031921Sbrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2131921Sbrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2231921Sbrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2331921Sbrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2431921Sbrian * SUCH DAMAGE.
2531921Sbrian *
2650479Speter * $FreeBSD$
2730715Sbrian */
2830715Sbrian
2936285Sbrian#define HDLCSIZE	(MAX_MRU*2+6)
3036285Sbrian
3136285Sbrianstruct async {
3236285Sbrian  int mode;
3336285Sbrian  int length;
3436285Sbrian  u_char hbuff[HDLCSIZE];	/* recv buffer */
3536285Sbrian  u_char xbuff[HDLCSIZE];	/* xmit buffer */
3637189Sbrian  u_int32_t my_accmap;
3737189Sbrian  u_int32_t his_accmap;
3836285Sbrian
3936285Sbrian  struct {
4036285Sbrian    u_char EscMap[33];
4136285Sbrian  } cfg;
4236285Sbrian};
4336285Sbrian
4436285Sbrianstruct lcp;
4536285Sbrianstruct mbuf;
4636285Sbrianstruct physical;
4736285Sbrianstruct bundle;
4836285Sbrian
4936285Sbrianextern void async_Init(struct async *);
5091623Sbrianextern void async_Setup(struct async *);
5193418Sbrianextern void async_SetLinkParams(struct async *, u_int32_t, u_int32_t);
5246686Sbrian
5346686Sbrianextern struct layer asynclayer;
54