156 lines
5.5 KiB
C
156 lines
5.5 KiB
C
/* $NetBSD: qdisc_rio.c,v 1.6 2006/10/28 11:43:02 peter Exp $ */
|
|
/* $KAME: qdisc_rio.c,v 1.7 2004/01/22 09:31:24 kjc Exp $ */
|
|
/*
|
|
* Copyright (C) 1999-2000
|
|
* Sony Computer Science Laboratories, Inc. 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 SONY CSL 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 SONY CSL 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.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/time.h>
|
|
#include <sys/socket.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <altq/altq.h>
|
|
#include <altq/altq_red.h>
|
|
#include <altq/altq_rio.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#include <err.h>
|
|
|
|
#include "altqstat.h"
|
|
|
|
static int avg_scale = 4096; /* default fixed-point scale */
|
|
|
|
void
|
|
rio_stat_loop(int fd, const char *ifname, int count, int interval)
|
|
{
|
|
struct rio_stats rio_stats;
|
|
struct timeval cur_time, last_time;
|
|
u_int64_t last_bytes[3];
|
|
double sec;
|
|
int cnt = count;
|
|
sigset_t omask;
|
|
|
|
memset(&last_bytes, 0, sizeof last_bytes); /* XXX gcc */
|
|
bzero(&rio_stats, sizeof(rio_stats));
|
|
strlcpy(rio_stats.iface.rio_ifname, ifname,
|
|
sizeof(rio_stats.iface.rio_ifname));
|
|
|
|
gettimeofday(&last_time, NULL);
|
|
last_time.tv_sec -= interval;
|
|
|
|
for (;;) {
|
|
if (ioctl(fd, RIO_GETSTATS, &rio_stats) < 0)
|
|
err(1, "ioctl RIO_GETSTATS");
|
|
|
|
gettimeofday(&cur_time, NULL);
|
|
sec = calc_interval(&cur_time, &last_time);
|
|
|
|
printf("weight:%d q_limit:%d\n",
|
|
rio_stats.weight, rio_stats.q_limit);
|
|
|
|
printf("\t\t\tLOW DP\t\tMEDIUM DP\t\tHIGH DP\n");
|
|
|
|
printf("thresh (prob):\t\t[%d,%d](1/%d)\t[%d,%d](1/%d)\t\t[%d,%d](1/%d)\n",
|
|
rio_stats.q_params[0].th_min,
|
|
rio_stats.q_params[0].th_max,
|
|
rio_stats.q_params[0].inv_pmax,
|
|
rio_stats.q_params[1].th_min,
|
|
rio_stats.q_params[1].th_max,
|
|
rio_stats.q_params[1].inv_pmax,
|
|
rio_stats.q_params[2].th_min,
|
|
rio_stats.q_params[2].th_max,
|
|
rio_stats.q_params[2].inv_pmax);
|
|
printf("qlen (avg):\t\t%d (%.2f)\t%d (%.2f)\t\t%d (%.2f)\n",
|
|
rio_stats.q_len[0],
|
|
((double)rio_stats.q_stats[0].q_avg)/(double)avg_scale,
|
|
rio_stats.q_len[1],
|
|
((double)rio_stats.q_stats[1].q_avg)/(double)avg_scale,
|
|
rio_stats.q_len[2],
|
|
((double)rio_stats.q_stats[2].q_avg)/(double)avg_scale);
|
|
printf("xmit (drop) pkts:\t%llu (%llu)\t\t%llu (%llu)\t\t\t%llu (%llu)\n",
|
|
(ull)rio_stats.q_stats[0].xmit_cnt.packets,
|
|
(ull)rio_stats.q_stats[0].drop_cnt.packets,
|
|
(ull)rio_stats.q_stats[1].xmit_cnt.packets,
|
|
(ull)rio_stats.q_stats[1].drop_cnt.packets,
|
|
(ull)rio_stats.q_stats[2].xmit_cnt.packets,
|
|
(ull)rio_stats.q_stats[2].drop_cnt.packets);
|
|
printf("(forced:early):\t\t(%u:%u)\t\t(%u:%u)\t\t\t(%u:%u)\n",
|
|
rio_stats.q_stats[0].drop_forced,
|
|
rio_stats.q_stats[0].drop_unforced,
|
|
rio_stats.q_stats[1].drop_forced,
|
|
rio_stats.q_stats[1].drop_unforced,
|
|
rio_stats.q_stats[2].drop_forced,
|
|
rio_stats.q_stats[2].drop_unforced);
|
|
if (rio_stats.q_stats[0].marked_packets != 0
|
|
|| rio_stats.q_stats[1].marked_packets != 0
|
|
|| rio_stats.q_stats[2].marked_packets != 0)
|
|
printf("marked:\t\t\t%u\t\t%u\t\t\t%u\n",
|
|
rio_stats.q_stats[0].marked_packets,
|
|
rio_stats.q_stats[1].marked_packets,
|
|
rio_stats.q_stats[2].marked_packets);
|
|
printf("throughput:\t\t%sbps\t%sbps\t\t%sbps\n\n",
|
|
rate2str(calc_rate(rio_stats.q_stats[0].xmit_cnt.bytes,
|
|
last_bytes[0], sec)),
|
|
rate2str(calc_rate(rio_stats.q_stats[1].xmit_cnt.bytes,
|
|
last_bytes[1], sec)),
|
|
rate2str(calc_rate(rio_stats.q_stats[2].xmit_cnt.bytes,
|
|
last_bytes[2], sec)));
|
|
|
|
last_bytes[0] = rio_stats.q_stats[0].xmit_cnt.bytes;
|
|
last_bytes[1] = rio_stats.q_stats[1].xmit_cnt.bytes;
|
|
last_bytes[2] = rio_stats.q_stats[2].xmit_cnt.bytes;
|
|
last_time = cur_time;
|
|
|
|
if (count != 0 && --cnt == 0)
|
|
break;
|
|
|
|
/* wait for alarm signal */
|
|
if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
|
|
sigsuspend(&omask);
|
|
}
|
|
}
|
|
|
|
int
|
|
print_riostats(struct redstats *rp)
|
|
{
|
|
int dp;
|
|
|
|
for (dp = 0; dp < RIO_NDROPPREC; dp++)
|
|
printf(" RIO[%d] q_avg:%.2f xmit:%llu (forced: %u early:%u marked:%u)\n",
|
|
dp,
|
|
((double)rp[dp].q_avg)/(double)avg_scale,
|
|
(ull)rp[dp].xmit_cnt.packets,
|
|
rp[dp].drop_forced,
|
|
rp[dp].drop_unforced,
|
|
rp[dp].marked_packets);
|
|
return 0;
|
|
}
|