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freebsd/usr.sbin/ppp/lqr.h
Brian Somers a57095e7f7 Re-implement LQM, this time according to the rfc.
PR:		11293
MFC after:	4 weeks
2004-06-30 12:24:56 +00:00

83 lines
3.3 KiB
C

/*-
* 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.
*
* $FreeBSD$
*/
/*
* 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;