1/*-
2 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
3 *          based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
4 *                           Internet Initiative Japan, Inc (IIJ)
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: releng/11.0/usr.sbin/ppp/lqr.h 131327 2004-06-30 12:24:56Z brian $
29 */
30
31/*
32 *  Structure of LQR packet defined in RFC1989
33 */
34struct lqrdata {
35  u_int32_t MagicNumber;
36  u_int32_t LastOutLQRs;	/* most recently received PeerOutLQRs */
37  u_int32_t LastOutPackets;	/* most recently received PeerOutPackets */
38  u_int32_t LastOutOctets;	/* most recently received PeerOutOctets */
39  u_int32_t PeerInLQRs;		/* Peers SaveInLQRs */
40  u_int32_t PeerInPackets;	/* Peers SaveInPackets */
41  u_int32_t PeerInDiscards;	/* Peers SaveInDiscards */
42  u_int32_t PeerInErrors;	/* Peers SaveInErrors */
43  u_int32_t PeerInOctets;	/* Peers SaveInOctets */
44  u_int32_t PeerOutLQRs;	/* Peers OutLQRs (hdlc.h) */
45  u_int32_t PeerOutPackets;	/* Peers OutPackets (hdlc.h) */
46  u_int32_t PeerOutOctets;	/* Peers OutOctets (hdlc.h) */
47};
48
49struct lqrsavedata {	/* Saved on receipt of an LQR */
50  u_int32_t InLQRs;	/* From ifInLQRs */
51  u_int32_t InPackets;	/* From ifInPackets */
52  u_int32_t InDiscards;	/* From ifInDiscards */
53  u_int32_t InErrors;	/* From ifInErrors */
54  u_int32_t InOctets;	/* From InGoodOctets ! */
55};
56
57/*
58 *  We support LQR and ECHO as LQM method
59 */
60#define	LQM_LQR	  1
61#define	LQM_ECHO  2
62
63struct mbuf;
64struct physical;
65struct lcp;
66struct fsm;
67struct hdlc;
68struct link;
69struct bundle;
70
71extern void lqr_Dump(const char *, const char *, const struct lqrdata *);
72extern void lqr_Analyse(const struct hdlc *, const struct lqrdata *,
73                        const struct lqrdata *);
74extern void lqr_ChangeOrder(struct lqrdata *, struct lqrdata *);
75extern void lqr_Start(struct lcp *);
76extern void lqr_reStart(struct lcp *);
77extern void lqr_Stop(struct physical *, int);
78extern void lqr_StopTimer(struct physical *);
79extern struct mbuf *lqr_RecvEcho(struct fsm *, struct mbuf *);
80extern struct mbuf *lqr_Input(struct bundle *, struct link *, struct mbuf *);
81
82extern struct layer lqrlayer;
83