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+/*-
+ * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
+ * based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
+ * Internet Initiative Japan, Inc (IIJ)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/usr.sbin/ppp/lqr.h,v 1.18.34.1 2010/12/21 17:10:29 kensmith Exp $
+ */
+
+/*
+ * Structure of LQR packet defined in RFC1989
+ */
+struct lqrdata {
+ u_int32_t MagicNumber;
+ u_int32_t LastOutLQRs; /* most recently received PeerOutLQRs */
+ u_int32_t LastOutPackets; /* most recently received PeerOutPackets */
+ u_int32_t LastOutOctets; /* most recently received PeerOutOctets */
+ u_int32_t PeerInLQRs; /* Peers SaveInLQRs */
+ u_int32_t PeerInPackets; /* Peers SaveInPackets */
+ u_int32_t PeerInDiscards; /* Peers SaveInDiscards */
+ u_int32_t PeerInErrors; /* Peers SaveInErrors */
+ u_int32_t PeerInOctets; /* Peers SaveInOctets */
+ u_int32_t PeerOutLQRs; /* Peers OutLQRs (hdlc.h) */
+ u_int32_t PeerOutPackets; /* Peers OutPackets (hdlc.h) */
+ u_int32_t PeerOutOctets; /* Peers OutOctets (hdlc.h) */
+};
+
+struct lqrsavedata { /* Saved on receipt of an LQR */
+ u_int32_t InLQRs; /* From ifInLQRs */
+ u_int32_t InPackets; /* From ifInPackets */
+ u_int32_t InDiscards; /* From ifInDiscards */
+ u_int32_t InErrors; /* From ifInErrors */
+ u_int32_t InOctets; /* From InGoodOctets ! */
+};
+
+/*
+ * We support LQR and ECHO as LQM method
+ */
+#define LQM_LQR 1
+#define LQM_ECHO 2
+
+struct mbuf;
+struct physical;
+struct lcp;
+struct fsm;
+struct hdlc;
+struct link;
+struct bundle;
+
+extern void lqr_Dump(const char *, const char *, const struct lqrdata *);
+extern void lqr_Analyse(const struct hdlc *, const struct lqrdata *,
+ const struct lqrdata *);
+extern void lqr_ChangeOrder(struct lqrdata *, struct lqrdata *);
+extern void lqr_Start(struct lcp *);
+extern void lqr_reStart(struct lcp *);
+extern void lqr_Stop(struct physical *, int);
+extern void lqr_StopTimer(struct physical *);
+extern struct mbuf *lqr_RecvEcho(struct fsm *, struct mbuf *);
+extern struct mbuf *lqr_Input(struct bundle *, struct link *, struct mbuf *);
+
+extern struct layer lqrlayer;