1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 31 /* 32 * Structure of LQR packet defined in RFC1989 33 */ 34 struct 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 49 struct 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 63 struct mbuf; 64 struct physical; 65 struct lcp; 66 struct fsm; 67 struct hdlc; 68 struct link; 69 struct bundle; 70 71 extern void lqr_Dump(const char *, const char *, const struct lqrdata *); 72 extern void lqr_Analyse(const struct hdlc *, const struct lqrdata *, 73 const struct lqrdata *); 74 extern void lqr_ChangeOrder(struct lqrdata *, struct lqrdata *); 75 extern void lqr_Start(struct lcp *); 76 extern void lqr_reStart(struct lcp *); 77 extern void lqr_Stop(struct physical *, int); 78 extern void lqr_StopTimer(struct physical *); 79 extern struct mbuf *lqr_RecvEcho(struct fsm *, struct mbuf *); 80 extern struct mbuf *lqr_Input(struct bundle *, struct link *, struct mbuf *); 81 82 extern struct layer lqrlayer; 83