qdisc_rio.c revision 1.2
1 /* $KAME: qdisc_rio.c,v 1.4 2001/08/15 12:51:59 kjc Exp $ */ 2 /* 3 * Copyright (C) 1999-2000 4 * Sony Computer Science Laboratories, Inc. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/ioctl.h> 30 #include <sys/time.h> 31 #include <sys/socket.h> 32 #include <net/if.h> 33 #include <netinet/in.h> 34 #include <altq/altq.h> 35 #include <altq/altq_red.h> 36 #include <altq/altq_rio.h> 37 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <unistd.h> 41 #include <string.h> 42 #include <math.h> 43 #include <errno.h> 44 #include <err.h> 45 46 #include "altqstat.h" 47 48 static int avg_scale = 4096; /* default fixed-point scale */ 49 50 void 51 rio_stat_loop(int fd, const char *ifname, int count, int interval) 52 { 53 struct rio_stats rio_stats; 54 struct timeval cur_time, last_time; 55 u_int64_t last_bytes[3]; 56 double sec; 57 int cnt = count; 58 59 bzero(&rio_stats, sizeof(rio_stats)); 60 strlcpy(rio_stats.iface.rio_ifname, ifname, 61 sizeof(rio_stats.iface.rio_ifname)); 62 63 gettimeofday(&last_time, NULL); 64 last_time.tv_sec -= interval; 65 66 while (count == 0 || cnt-- > 0) { 67 68 if (ioctl(fd, RIO_GETSTATS, &rio_stats) < 0) 69 err(1, "ioctl RIO_GETSTATS"); 70 71 gettimeofday(&cur_time, NULL); 72 sec = calc_interval(&cur_time, &last_time); 73 74 printf("weight:%d q_limit:%d\n", 75 rio_stats.weight, rio_stats.q_limit); 76 77 printf("\t\t\tLOW DP\t\tMEDIUM DP\t\tHIGH DP\n"); 78 79 printf("thresh (prob):\t\t[%d,%d](1/%d)\t[%d,%d](1/%d)\t\t[%d,%d](%d)\n", 80 rio_stats.q_params[0].th_min, 81 rio_stats.q_params[0].th_max, 82 rio_stats.q_params[0].inv_pmax, 83 rio_stats.q_params[1].th_min, 84 rio_stats.q_params[1].th_max, 85 rio_stats.q_params[1].inv_pmax, 86 rio_stats.q_params[2].th_min, 87 rio_stats.q_params[2].th_max, 88 rio_stats.q_params[2].inv_pmax); 89 printf("qlen (avg):\t\t%d (%.2f)\t%d (%.2f)\t\t%d (%.2f)\n", 90 rio_stats.q_len[0], 91 ((double)rio_stats.q_stats[0].q_avg)/(double)avg_scale, 92 rio_stats.q_len[1], 93 ((double)rio_stats.q_stats[1].q_avg)/(double)avg_scale, 94 rio_stats.q_len[2], 95 ((double)rio_stats.q_stats[2].q_avg)/(double)avg_scale); 96 printf("xmit (drop) pkts:\t%llu (%llu)\t\t%llu (%llu)\t\t\t%llu (%llu)\n", 97 (ull)rio_stats.q_stats[0].xmit_cnt.packets, 98 (ull)rio_stats.q_stats[0].drop_cnt.packets, 99 (ull)rio_stats.q_stats[1].xmit_cnt.packets, 100 (ull)rio_stats.q_stats[1].drop_cnt.packets, 101 (ull)rio_stats.q_stats[2].xmit_cnt.packets, 102 (ull)rio_stats.q_stats[2].drop_cnt.packets); 103 printf("(forced:early):\t\t(%u:%u)\t\t(%u:%u)\t\t\t(%u:%u)\n", 104 rio_stats.q_stats[0].drop_forced, 105 rio_stats.q_stats[0].drop_unforced, 106 rio_stats.q_stats[1].drop_forced, 107 rio_stats.q_stats[1].drop_unforced, 108 rio_stats.q_stats[2].drop_forced, 109 rio_stats.q_stats[2].drop_unforced); 110 if (rio_stats.q_stats[0].marked_packets != 0 111 || rio_stats.q_stats[1].marked_packets != 0 112 || rio_stats.q_stats[2].marked_packets != 0) 113 printf("marked:\t\t\t%u\t\t%u\t\t\t%u\n", 114 rio_stats.q_stats[0].marked_packets, 115 rio_stats.q_stats[1].marked_packets, 116 rio_stats.q_stats[2].marked_packets); 117 printf("throughput:\t\t%sbps\t%sbps\t\t%sbps\n\n", 118 rate2str(calc_rate(rio_stats.q_stats[0].xmit_cnt.bytes, 119 last_bytes[0], sec)), 120 rate2str(calc_rate(rio_stats.q_stats[1].xmit_cnt.bytes, 121 last_bytes[1], sec)), 122 rate2str(calc_rate(rio_stats.q_stats[2].xmit_cnt.bytes, 123 last_bytes[2], sec))); 124 125 last_bytes[0] = rio_stats.q_stats[0].xmit_cnt.bytes; 126 last_bytes[1] = rio_stats.q_stats[1].xmit_cnt.bytes; 127 last_bytes[2] = rio_stats.q_stats[2].xmit_cnt.bytes; 128 last_time = cur_time; 129 sleep(interval); 130 } 131 } 132 133 int 134 print_riostats(struct redstats *rp) 135 { 136 int dp; 137 138 for (dp = 0; dp < RIO_NDROPPREC; dp++) 139 printf(" RIO[%d] q_avg:%.2f xmit:%llu (forced: %u early:%u marked:%u)\n", 140 dp, 141 ((double)rp[dp].q_avg)/(double)avg_scale, 142 (ull)rp[dp].xmit_cnt.packets, 143 rp[dp].drop_forced, 144 rp[dp].drop_unforced, 145 rp[dp].marked_packets); 146 return 0; 147 } 148
Indexes created Fri Sep 26 20:09:58 GMT 2025