1 /* $NetBSD: qdisc_rio.c,v 1.6 2006/10/28 11:43:02 peter Exp $ */ 2 /* $KAME: qdisc_rio.c,v 1.7 2004/01/22 09:31:24 kjc Exp $ */ 3 /* 4 * Copyright (C) 1999-2000 5 * Sony Computer Science Laboratories, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/ioctl.h> 31 #include <sys/time.h> 32 #include <sys/socket.h> 33 #include <net/if.h> 34 #include <netinet/in.h> 35 #include <altq/altq.h> 36 #include <altq/altq_red.h> 37 #include <altq/altq_rio.h> 38 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <unistd.h> 42 #include <string.h> 43 #include <signal.h> 44 #include <errno.h> 45 #include <err.h> 46 47 #include "altqstat.h" 48 49 static int avg_scale = 4096; /* default fixed-point scale */ 50 51 void 52 rio_stat_loop(int fd, const char *ifname, int count, int interval) 53 { 54 struct rio_stats rio_stats; 55 struct timeval cur_time, last_time; 56 u_int64_t last_bytes[3]; 57 double sec; 58 int cnt = count; 59 sigset_t omask; 60 61 memset(&last_bytes, 0, sizeof last_bytes); /* XXX gcc */ 62 bzero(&rio_stats, sizeof(rio_stats)); 63 strlcpy(rio_stats.iface.rio_ifname, ifname, 64 sizeof(rio_stats.iface.rio_ifname)); 65 66 gettimeofday(&last_time, NULL); 67 last_time.tv_sec -= interval; 68 69 for (;;) { 70 if (ioctl(fd, RIO_GETSTATS, &rio_stats) < 0) 71 err(1, "ioctl RIO_GETSTATS"); 72 73 gettimeofday(&cur_time, NULL); 74 sec = calc_interval(&cur_time, &last_time); 75 76 printf("weight:%d q_limit:%d\n", 77 rio_stats.weight, rio_stats.q_limit); 78 79 printf("\t\t\tLOW DP\t\tMEDIUM DP\t\tHIGH DP\n"); 80 81 printf("thresh (prob):\t\t[%d,%d](1/%d)\t[%d,%d](1/%d)\t\t[%d,%d](1/%d)\n", 82 rio_stats.q_params[0].th_min, 83 rio_stats.q_params[0].th_max, 84 rio_stats.q_params[0].inv_pmax, 85 rio_stats.q_params[1].th_min, 86 rio_stats.q_params[1].th_max, 87 rio_stats.q_params[1].inv_pmax, 88 rio_stats.q_params[2].th_min, 89 rio_stats.q_params[2].th_max, 90 rio_stats.q_params[2].inv_pmax); 91 printf("qlen (avg):\t\t%d (%.2f)\t%d (%.2f)\t\t%d (%.2f)\n", 92 rio_stats.q_len[0], 93 ((double)rio_stats.q_stats[0].q_avg)/(double)avg_scale, 94 rio_stats.q_len[1], 95 ((double)rio_stats.q_stats[1].q_avg)/(double)avg_scale, 96 rio_stats.q_len[2], 97 ((double)rio_stats.q_stats[2].q_avg)/(double)avg_scale); 98 printf("xmit (drop) pkts:\t%llu (%llu)\t\t%llu (%llu)\t\t\t%llu (%llu)\n", 99 (ull)rio_stats.q_stats[0].xmit_cnt.packets, 100 (ull)rio_stats.q_stats[0].drop_cnt.packets, 101 (ull)rio_stats.q_stats[1].xmit_cnt.packets, 102 (ull)rio_stats.q_stats[1].drop_cnt.packets, 103 (ull)rio_stats.q_stats[2].xmit_cnt.packets, 104 (ull)rio_stats.q_stats[2].drop_cnt.packets); 105 printf("(forced:early):\t\t(%u:%u)\t\t(%u:%u)\t\t\t(%u:%u)\n", 106 rio_stats.q_stats[0].drop_forced, 107 rio_stats.q_stats[0].drop_unforced, 108 rio_stats.q_stats[1].drop_forced, 109 rio_stats.q_stats[1].drop_unforced, 110 rio_stats.q_stats[2].drop_forced, 111 rio_stats.q_stats[2].drop_unforced); 112 if (rio_stats.q_stats[0].marked_packets != 0 113 || rio_stats.q_stats[1].marked_packets != 0 114 || rio_stats.q_stats[2].marked_packets != 0) 115 printf("marked:\t\t\t%u\t\t%u\t\t\t%u\n", 116 rio_stats.q_stats[0].marked_packets, 117 rio_stats.q_stats[1].marked_packets, 118 rio_stats.q_stats[2].marked_packets); 119 printf("throughput:\t\t%sbps\t%sbps\t\t%sbps\n\n", 120 rate2str(calc_rate(rio_stats.q_stats[0].xmit_cnt.bytes, 121 last_bytes[0], sec)), 122 rate2str(calc_rate(rio_stats.q_stats[1].xmit_cnt.bytes, 123 last_bytes[1], sec)), 124 rate2str(calc_rate(rio_stats.q_stats[2].xmit_cnt.bytes, 125 last_bytes[2], sec))); 126 127 last_bytes[0] = rio_stats.q_stats[0].xmit_cnt.bytes; 128 last_bytes[1] = rio_stats.q_stats[1].xmit_cnt.bytes; 129 last_bytes[2] = rio_stats.q_stats[2].xmit_cnt.bytes; 130 last_time = cur_time; 131 132 if (count != 0 && --cnt == 0) 133 break; 134 135 /* wait for alarm signal */ 136 if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0) 137 sigsuspend(&omask); 138 } 139 } 140 141 int 142 print_riostats(struct redstats *rp) 143 { 144 int dp; 145 146 for (dp = 0; dp < RIO_NDROPPREC; dp++) 147 printf(" RIO[%d] q_avg:%.2f xmit:%llu (forced: %u early:%u marked:%u)\n", 148 dp, 149 ((double)rp[dp].q_avg)/(double)avg_scale, 150 (ull)rp[dp].xmit_cnt.packets, 151 rp[dp].drop_forced, 152 rp[dp].drop_unforced, 153 rp[dp].marked_packets); 154 return 0; 155 } 156
Indexes created Sat Sep 20 22:09:52 GMT 2025