| 1 | {{{ |
| 2 | /*- |
| 3 | * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting |
| 4 | * 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 | * without modification. |
| 12 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| 13 | * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any |
| 14 | * redistribution must be conditioned upon including a substantially |
| 15 | * similar Disclaimer requirement for further binary redistribution. |
| 16 | * 3. Neither the names of the above-listed copyright holders nor the names |
| 17 | * of any contributors may be used to endorse or promote products derived |
| 18 | * from this software without specific prior written permission. |
| 19 | * |
| 20 | * Alternatively, this software may be distributed under the terms of the |
| 21 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 22 | * Software Foundation. |
| 23 | * |
| 24 | * NO WARRANTY |
| 25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 26 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 27 | * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY |
| 28 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 29 | * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, |
| 30 | * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 32 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 33 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 34 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 35 | * THE POSSIBILITY OF SUCH DAMAGES. |
| 36 | * |
| 37 | * $FreeBSD: src/tools/tools/ath/athstats.c,v 1.4 2003/12/07 21:40:52 sam Exp $ |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | * Simple Atheros-specific tool to inspect and monitor network traffic |
| 42 | * statistics. |
| 43 | * athstats [--interface interface] [--interval interval] |
| 44 | * (default interface is ath0 and default interval is 1 second). |
| 45 | * If interval is specified a rolling output is displayed every interval msec. |
| 46 | */ |
| 47 | |
| 48 | /* Modified by Kishore Ramachandran - kishore@winlab.rutgers.edu. |
| 49 | Oct 14 2005 |
| 50 | */ |
| 51 | |
| 52 | #include <sys/types.h> |
| 53 | #include <sys/file.h> |
| 54 | #include <sys/ioctl.h> |
| 55 | #include <sys/socket.h> |
| 56 | #include <linux/wireless.h> |
| 57 | |
| 58 | #include <stdio.h> |
| 59 | #include <signal.h> |
| 60 | #include <string.h> |
| 61 | #include <stdlib.h> |
| 62 | #include <err.h> |
| 63 | #include <unistd.h> |
| 64 | #include <sys/time.h> // For setitimer |
| 65 | |
| 66 | #include "ah_desc.h" |
| 67 | #include "ieee80211_radiotap.h" |
| 68 | #include "if_athioctl.h" |
| 69 | #include "include/oml_orbit_winlab_athstats.h" // For OML |
| 70 | |
| 71 | static int signalled; |
| 72 | |
| 73 | static void |
| 74 | catchalarm(int signo) |
| 75 | { |
| 76 | signalled = 1; |
| 77 | } |
| 78 | |
| 79 | int |
| 80 | main(int argc, char *argv[]) |
| 81 | { |
| 82 | struct ifreq ifr; |
| 83 | struct itimerval it_val; |
| 84 | struct ath_stats cur, total; |
| 85 | u_long interval, off, icur, ocur, itot, otot; |
| 86 | int s, line, omask; |
| 87 | sigset_t oset1, oset2, *oset1_p, *oset2_p; |
| 88 | |
| 89 | if (argc < 5) { |
| 90 | fprintf(stderr, "Usage: ./athfstats --interface name_of_interface --interval how often to query the driver in ms.\n"); |
| 91 | fprintf(stderr, "E.g. : ./athfstats --interface ath0 --interval 100\n"); |
| 92 | exit(-1); |
| 93 | } |
| 94 | |
| 95 | if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) |
| 96 | err(1, "socket"); |
| 97 | |
| 98 | if (strcmp(argv[1], "--interface") == 0) { |
| 99 | if (!(strcmp(argv[2], "ath0")) || !(strcmp(argv[2], "ath1"))) |
| 100 | strncpy(ifr.ifr_name, argv[2], sizeof (ifr.ifr_name)); |
| 101 | else { |
| 102 | fprintf(stderr, "Expecting madwifi to name interfaces as ath0 or ath1. Using ath0 as default.\n"); |
| 103 | strncpy(ifr.ifr_name, "ath0", sizeof (ifr.ifr_name)); |
| 104 | } |
| 105 | } else { |
| 106 | fprintf(stderr, "Usage: ./athstats-oml --interface name_of_interface --interval interval_in_ms\n"); |
| 107 | exit(-1); |
| 108 | } |
| 109 | |
| 110 | if (strcmp(argv[3], "--interval") == 0) { |
| 111 | if ((interval = strtoul(argv[4], NULL, 0)) < 1) { |
| 112 | fprintf(stderr, "Expecting interval value greater than or equal to 1. Using 100ms as default.\n"); |
| 113 | interval = 100; |
| 114 | } |
| 115 | } else { |
| 116 | fprintf(stderr, "Usage: ./athstats-oml --interface name_of_interface --interval interval_in_ms\n"); |
| 117 | exit(-1); |
| 118 | } |
| 119 | |
| 120 | signal(SIGALRM, catchalarm); |
| 121 | signalled = 0; |
| 122 | it_val.it_value.tv_sec = interval/1000; |
| 123 | it_val.it_value.tv_usec = (interval*1000) % 1000000; |
| 124 | it_val.it_interval = it_val.it_value; |
| 125 | if (setitimer(ITIMER_REAL, &it_val, NULL) == -1) { |
| 126 | perror("error calling setitimer()"); |
| 127 | exit(-1); |
| 128 | } |
| 129 | |
| 130 | initialize_oml(&argc, (const char **)argv, NULL); |
| 131 | |
| 132 | line = 0; |
| 133 | |
| 134 | // loop: |
| 135 | while (1) { |
| 136 | if (line != 0) { |
| 137 | ifr.ifr_data = (caddr_t) &cur; |
| 138 | if (ioctl(s, SIOCGATHSTATS, &ifr) < 0) |
| 139 | err(1, ifr.ifr_name); |
| 140 | |
| 141 | oml_queryport(cur.ast_tx_packets - total.ast_tx_packets, |
| 142 | cur.ast_tx_xretries - total.ast_tx_xretries, |
| 143 | cur.ast_tx_fifoerr - total.ast_tx_fifoerr, |
| 144 | cur.ast_tx_filtered - total.ast_tx_filtered, |
| 145 | cur.ast_tx_shortretry - total.ast_tx_shortretry, |
| 146 | cur.ast_tx_longretry - total.ast_tx_longretry, |
| 147 | cur.ast_rx_packets - total.ast_rx_packets, |
| 148 | cur.ast_rx_crcerr - total.ast_rx_crcerr, |
| 149 | cur.ast_rx_fifoerr - total.ast_rx_fifoerr, |
| 150 | cur.ast_rx_phyerr - total.ast_rx_phyerr |
| 151 | ); |
| 152 | |
| 153 | total = cur; |
| 154 | itot = icur; |
| 155 | otot = ocur; |
| 156 | } else { |
| 157 | ifr.ifr_data = (caddr_t) &total; |
| 158 | if (ioctl(s, SIOCGATHSTATS, &ifr) < 0) |
| 159 | err(1, ifr.ifr_name); |
| 160 | |
| 161 | oml_queryport(total.ast_tx_packets, |
| 162 | total.ast_tx_xretries, |
| 163 | total.ast_tx_fifoerr, |
| 164 | total.ast_tx_filtered, |
| 165 | total.ast_tx_shortretry, |
| 166 | total.ast_tx_longretry, |
| 167 | total.ast_rx_packets, |
| 168 | total.ast_rx_crcerr, |
| 169 | total.ast_rx_fifoerr, |
| 170 | total.ast_rx_phyerr |
| 171 | ); |
| 172 | } |
| 173 | |
| 174 | oset1_p = &oset1; |
| 175 | oset2_p = &oset2; |
| 176 | sigemptyset(oset1_p); |
| 177 | sigemptyset(oset2_p); |
| 178 | sigaddset(oset1_p, SIGALRM); |
| 179 | sigprocmask(SIG_BLOCK, oset1_p, oset2_p); |
| 180 | if (!signalled) |
| 181 | sigsuspend(oset2_p); |
| 182 | sigprocmask(SIG_SETMASK, oset2_p, NULL); |
| 183 | signalled = 0; |
| 184 | it_val.it_value.tv_sec = interval/1000; |
| 185 | it_val.it_value.tv_usec = (interval*1000) % 1000000; |
| 186 | it_val.it_interval = it_val.it_value; |
| 187 | if (setitimer(ITIMER_REAL, &it_val, NULL) == -1) { |
| 188 | perror("error calling setitimer()"); |
| 189 | exit(-1); |
| 190 | } |
| 191 | line++; |
| 192 | } |
| 193 | // goto loop; |
| 194 | |
| 195 | /*NOTREACHED*/ |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | |
| 200 | }}} |