197 lines
4.5 KiB
C
197 lines
4.5 KiB
C
/*-
|
|
* Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
|
|
* 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.
|
|
*
|
|
* $Id$
|
|
*
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <netinet/in.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "command.h"
|
|
#include "mbuf.h"
|
|
#include "log.h"
|
|
#include "defs.h"
|
|
#include "hdlc.h"
|
|
#include "timer.h"
|
|
#include "throughput.h"
|
|
#include "lcpproto.h"
|
|
#include "loadalias.h"
|
|
#include "vars.h"
|
|
#include "link.h"
|
|
|
|
void
|
|
link_AddInOctets(struct link *l, int n)
|
|
{
|
|
throughput_addin(&l->throughput, n);
|
|
}
|
|
|
|
void
|
|
link_AddOutOctets(struct link *l, int n)
|
|
{
|
|
throughput_addout(&l->throughput, n);
|
|
}
|
|
|
|
void
|
|
link_SequenceQueue(struct link *l)
|
|
{
|
|
LogPrintf(LogDEBUG, "link_SequenceQueue\n");
|
|
while (l->Queue[PRI_NORMAL].qlen)
|
|
Enqueue(l->Queue + PRI_LINK, Dequeue(l->Queue + PRI_NORMAL));
|
|
}
|
|
|
|
int
|
|
link_QueueLen(struct link *l)
|
|
{
|
|
int i, len;
|
|
|
|
for (i = 0, len = 0; i < LINK_QUEUES; i++)
|
|
len += l->Queue[i].qlen;
|
|
|
|
return len;
|
|
}
|
|
|
|
struct mbuf *
|
|
link_Dequeue(struct link *l)
|
|
{
|
|
int pri;
|
|
struct mbuf *bp;
|
|
|
|
for (bp = (struct mbuf *)0, pri = LINK_QUEUES - 1; pri >= 0; pri--)
|
|
if (l->Queue[pri].qlen) {
|
|
bp = Dequeue(l->Queue + pri);
|
|
if (pri > PRI_NORMAL)
|
|
LogPrintf(LogDEBUG, "link_Dequeue: Output from queue %d,"
|
|
" containing %d packets\n", pri, l->Queue[pri].qlen);
|
|
LogPrintf(LogDEBUG, "link_Dequeue: Dequeued from %d\n", pri);
|
|
break;
|
|
}
|
|
|
|
return bp;
|
|
}
|
|
|
|
/*
|
|
* Write to the link. Actualy, requested packets are queued, and go out
|
|
* at some later time depending on the physical link implementation.
|
|
*/
|
|
void
|
|
link_Write(struct link *l, int pri, const char *ptr, int count)
|
|
{
|
|
struct mbuf *bp;
|
|
|
|
if(pri < 0 || pri >= LINK_QUEUES)
|
|
pri = 0;
|
|
|
|
bp = mballoc(count, MB_LINK);
|
|
memcpy(MBUF_CTOP(bp), ptr, count);
|
|
|
|
Enqueue(l->Queue + pri, bp);
|
|
}
|
|
|
|
void
|
|
link_StartOutput(struct link *l)
|
|
{
|
|
(*l->StartOutput)(l);
|
|
}
|
|
|
|
void
|
|
link_Output(struct link *l, int pri, struct mbuf *bp)
|
|
{
|
|
struct mbuf *wp;
|
|
int len;
|
|
|
|
if(pri < 0 || pri >= LINK_QUEUES)
|
|
pri = 0;
|
|
|
|
len = plength(bp);
|
|
wp = mballoc(len, MB_LINK);
|
|
mbread(bp, MBUF_CTOP(wp), len);
|
|
Enqueue(l->Queue + pri, wp);
|
|
link_StartOutput(l);
|
|
}
|
|
|
|
int
|
|
link_IsActive(struct link *l)
|
|
{
|
|
return (*l->IsActive)(l);
|
|
}
|
|
|
|
void
|
|
link_Close(struct link *l, int dedicated_force)
|
|
{
|
|
(*l->Close)(l, dedicated_force);
|
|
}
|
|
|
|
static struct protostatheader {
|
|
u_short number;
|
|
const char *name;
|
|
} ProtocolStat[NPROTOSTAT] = {
|
|
{ PROTO_IP, "IP" },
|
|
{ PROTO_VJUNCOMP, "VJ_UNCOMP" },
|
|
{ PROTO_VJCOMP, "VJ_COMP" },
|
|
{ PROTO_COMPD, "COMPD" },
|
|
{ PROTO_LCP, "LCP" },
|
|
{ PROTO_IPCP, "IPCP" },
|
|
{ PROTO_CCP, "CCP" },
|
|
{ PROTO_PAP, "PAP" },
|
|
{ PROTO_LQR, "LQR" },
|
|
{ PROTO_CHAP, "CHAP" },
|
|
{ 0, "Others" }
|
|
};
|
|
|
|
void
|
|
link_ProtocolRecord(struct link *l, u_short proto, int type)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < NPROTOSTAT; i++)
|
|
if (ProtocolStat[i].number == proto)
|
|
break;
|
|
|
|
if (type == PROTO_IN)
|
|
l->proto_in[i]++;
|
|
else
|
|
l->proto_out[i]++;
|
|
}
|
|
|
|
void
|
|
link_ReportProtocolStatus(struct link *l)
|
|
{
|
|
int i;
|
|
|
|
fprintf(VarTerm,
|
|
" Protocol in out Protocol in out\n");
|
|
for (i = 0; i < NPROTOSTAT; i++) {
|
|
fprintf(VarTerm, " %-9s: %8lu, %8lu",
|
|
ProtocolStat[i].name, l->proto_in[i], l->proto_out[i]);
|
|
if ((i % 2) == 0)
|
|
fprintf(VarTerm, "\n");
|
|
}
|
|
if (i % 2)
|
|
fprintf(VarTerm, "\n");
|
|
}
|