147 lines
5.2 KiB
C
147 lines
5.2 KiB
C
/* $KAME: qdisc_rio.c,v 1.2 2000/10/18 09:15:17 kjc Exp $ */
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/*
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* Copyright (C) 1999-2000
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* Sony Computer Science Laboratories, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <altq/altq.h>
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#include <altq/altq_red.h>
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#include <altq/altq_rio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <math.h>
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#include <errno.h>
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#include <err.h>
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#include "altqstat.h"
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static int avg_scale = 4096; /* default fixed-point scale */
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void
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rio_stat_loop(int fd, const char *ifname, int count, int interval)
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{
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struct rio_stats rio_stats;
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struct timeval cur_time, last_time;
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u_int64_t last_bytes[3];
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double sec;
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int cnt = count;
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bzero(&rio_stats, sizeof(rio_stats));
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strcpy(rio_stats.iface.rio_ifname, ifname);
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gettimeofday(&last_time, NULL);
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last_time.tv_sec -= interval;
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while (count == 0 || cnt-- > 0) {
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if (ioctl(fd, RIO_GETSTATS, &rio_stats) < 0)
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err(1, "ioctl RIO_GETSTATS");
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gettimeofday(&cur_time, NULL);
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sec = calc_interval(&cur_time, &last_time);
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printf("weight:%d q_limit:%d\n",
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rio_stats.weight, rio_stats.q_limit);
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printf("\t\t\tLOW DP\t\tMEDIUM DP\t\tHIGH DP\n");
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printf("thresh (prob):\t\t[%d,%d](1/%d)\t[%d,%d](1/%d)\t\t[%d,%d](%d)\n",
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rio_stats.q_params[0].th_min,
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rio_stats.q_params[0].th_max,
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rio_stats.q_params[0].inv_pmax,
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rio_stats.q_params[1].th_min,
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rio_stats.q_params[1].th_max,
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rio_stats.q_params[1].inv_pmax,
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rio_stats.q_params[2].th_min,
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rio_stats.q_params[2].th_max,
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rio_stats.q_params[2].inv_pmax);
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printf("qlen (avg):\t\t%d (%.2f)\t%d (%.2f)\t\t%d (%.2f)\n",
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rio_stats.q_len[0],
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((double)rio_stats.q_stats[0].q_avg)/(double)avg_scale,
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rio_stats.q_len[1],
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((double)rio_stats.q_stats[1].q_avg)/(double)avg_scale,
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rio_stats.q_len[2],
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((double)rio_stats.q_stats[2].q_avg)/(double)avg_scale);
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printf("xmit (drop) pkts:\t%llu (%llu)\t\t%llu (%llu)\t\t\t%llu (%llu)\n",
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(ull)rio_stats.q_stats[0].xmit_cnt.packets,
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(ull)rio_stats.q_stats[0].drop_cnt.packets,
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(ull)rio_stats.q_stats[1].xmit_cnt.packets,
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(ull)rio_stats.q_stats[1].drop_cnt.packets,
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(ull)rio_stats.q_stats[2].xmit_cnt.packets,
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(ull)rio_stats.q_stats[2].drop_cnt.packets);
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printf("(forced:early):\t\t(%u:%u)\t\t(%u:%u)\t\t\t(%u:%u)\n",
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rio_stats.q_stats[0].drop_forced,
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rio_stats.q_stats[0].drop_unforced,
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rio_stats.q_stats[1].drop_forced,
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rio_stats.q_stats[1].drop_unforced,
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rio_stats.q_stats[2].drop_forced,
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rio_stats.q_stats[2].drop_unforced);
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if (rio_stats.q_stats[0].marked_packets != 0
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|| rio_stats.q_stats[1].marked_packets != 0
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|| rio_stats.q_stats[2].marked_packets != 0)
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printf("marked:\t\t\t%u\t\t%u\t\t\t%u\n",
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rio_stats.q_stats[0].marked_packets,
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rio_stats.q_stats[1].marked_packets,
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rio_stats.q_stats[2].marked_packets);
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printf("throughput:\t\t%sbps\t%sbps\t\t%sbps\n\n",
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rate2str(calc_rate(rio_stats.q_stats[0].xmit_cnt.bytes,
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last_bytes[0], sec)),
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rate2str(calc_rate(rio_stats.q_stats[1].xmit_cnt.bytes,
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last_bytes[1], sec)),
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rate2str(calc_rate(rio_stats.q_stats[2].xmit_cnt.bytes,
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last_bytes[2], sec)));
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last_bytes[0] = rio_stats.q_stats[0].xmit_cnt.bytes;
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last_bytes[1] = rio_stats.q_stats[1].xmit_cnt.bytes;
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last_bytes[2] = rio_stats.q_stats[3].xmit_cnt.bytes;
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last_time = cur_time;
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sleep(interval);
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}
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}
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int
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print_riostats(struct redstats *rp)
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{
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int dp;
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for (dp = 0; dp < RIO_NDROPPREC; dp++)
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printf(" RIO[%d] q_avg:%.2f xmit:%llu (forced: %u early:%u marked:%u)\n",
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dp,
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((double)rp[dp].q_avg)/(double)avg_scale,
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(ull)rp[dp].xmit_cnt.packets,
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rp[dp].drop_forced,
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rp[dp].drop_unforced,
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rp[dp].marked_packets);
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return 0;
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}
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