1 /* $KAME: qdisc_red.c,v 1.2 2000/10/18 09:15:17 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 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <unistd.h> 40 #include <string.h> 41 #include <math.h> 42 #include <errno.h> 43 #include <err.h> 44 45 #include "altqstat.h" 46 47 static int avg_scale = 4096; /* default fixed-point scale */ 48 49 void 50 red_stat_loop(int fd, const char *ifname, int count, int interval) 51 { 52 struct red_stats red_stats; 53 struct timeval cur_time, last_time; 54 u_int64_t last_bytes; 55 double sec; 56 int cnt = count; 57 58 strcpy(red_stats.iface.red_ifname, ifname); 59 60 gettimeofday(&last_time, NULL); 61 last_time.tv_sec -= interval; 62 last_bytes = 0; 63 64 while (count == 0 || cnt-- > 0) { 65 66 if (ioctl(fd, RED_GETSTATS, &red_stats) < 0) 67 err(1, "ioctl RED_GETSTATS"); 68 69 gettimeofday(&cur_time, NULL); 70 sec = calc_interval(&cur_time, &last_time); 71 72 printf(" weight:%d inv_pmax:%d qthresh:(%d,%d)\n", 73 red_stats.weight, red_stats.inv_pmax, 74 red_stats.th_min, red_stats.th_max); 75 printf(" q_len:%d (avg: %.2f), q_limit:%d\n", 76 red_stats.q_len, 77 ((double)red_stats.q_avg)/(double)avg_scale, 78 red_stats.q_limit); 79 printf(" xmit:%llu pkts, drop:%llu pkts (forced: %u, early: %u)\n", 80 (ull)red_stats.xmit_cnt.packets, 81 (ull)red_stats.drop_cnt.packets, 82 red_stats.drop_forced, red_stats.drop_unforced); 83 if (red_stats.marked_packets != 0) 84 printf(" marked: %u\n", red_stats.marked_packets); 85 printf(" throughput: %sbps\n", 86 rate2str(calc_rate(red_stats.xmit_cnt.bytes, 87 last_bytes, sec))); 88 if (red_stats.fv_alloc > 0) { 89 printf(" flowvalve: alloc:%u flows:%u\n", 90 red_stats.fv_alloc, red_stats.fv_flows); 91 printf(" predrop:%u pass:%u escape:%u\n", 92 red_stats.fv_predrop, red_stats.fv_pass, 93 red_stats.fv_escape); 94 } 95 printf("\n"); 96 97 last_bytes = red_stats.xmit_cnt.bytes; 98 last_time = cur_time; 99 sleep(interval); 100 } 101 } 102 103 int 104 print_redstats(struct redstats *rp) 105 { 106 printf(" RED q_avg:%.2f xmit:%llu (forced:%u early:%u marked:%u)\n", 107 ((double)rp->q_avg)/(double)avg_scale, 108 (ull)rp->xmit_cnt.packets, 109 rp->drop_forced, 110 rp->drop_unforced, 111 rp->marked_packets); 112 return 0; 113 } 114