lqr.h revision 330449 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
5 *          based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
6 *                           Internet Initiative Japan, Inc (IIJ)
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: stable/11/usr.sbin/ppp/lqr.h 330449 2018-03-05 07:26:05Z eadler $
31 */
32
33/*
34 *  Structure of LQR packet defined in RFC1989
35 */
36struct lqrdata {
37  u_int32_t MagicNumber;
38  u_int32_t LastOutLQRs;	/* most recently received PeerOutLQRs */
39  u_int32_t LastOutPackets;	/* most recently received PeerOutPackets */
40  u_int32_t LastOutOctets;	/* most recently received PeerOutOctets */
41  u_int32_t PeerInLQRs;		/* Peers SaveInLQRs */
42  u_int32_t PeerInPackets;	/* Peers SaveInPackets */
43  u_int32_t PeerInDiscards;	/* Peers SaveInDiscards */
44  u_int32_t PeerInErrors;	/* Peers SaveInErrors */
45  u_int32_t PeerInOctets;	/* Peers SaveInOctets */
46  u_int32_t PeerOutLQRs;	/* Peers OutLQRs (hdlc.h) */
47  u_int32_t PeerOutPackets;	/* Peers OutPackets (hdlc.h) */
48  u_int32_t PeerOutOctets;	/* Peers OutOctets (hdlc.h) */
49};
50
51struct lqrsavedata {	/* Saved on receipt of an LQR */
52  u_int32_t InLQRs;	/* From ifInLQRs */
53  u_int32_t InPackets;	/* From ifInPackets */
54  u_int32_t InDiscards;	/* From ifInDiscards */
55  u_int32_t InErrors;	/* From ifInErrors */
56  u_int32_t InOctets;	/* From InGoodOctets ! */
57};
58
59/*
60 *  We support LQR and ECHO as LQM method
61 */
62#define	LQM_LQR	  1
63#define	LQM_ECHO  2
64
65struct mbuf;
66struct physical;
67struct lcp;
68struct fsm;
69struct hdlc;
70struct link;
71struct bundle;
72
73extern void lqr_Dump(const char *, const char *, const struct lqrdata *);
74extern void lqr_Analyse(const struct hdlc *, const struct lqrdata *,
75                        const struct lqrdata *);
76extern void lqr_ChangeOrder(struct lqrdata *, struct lqrdata *);
77extern void lqr_Start(struct lcp *);
78extern void lqr_reStart(struct lcp *);
79extern void lqr_Stop(struct physical *, int);
80extern void lqr_StopTimer(struct physical *);
81extern struct mbuf *lqr_RecvEcho(struct fsm *, struct mbuf *);
82extern struct mbuf *lqr_Input(struct bundle *, struct link *, struct mbuf *);
83
84extern struct layer lqrlayer;
85