usr.sbin/iwictl/iwictl.c

   1 /*      $NetBSD: iwictl.c,v 1.7 2006/08/09 11:57:51 skrll Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2004, 2005
   5  *      Damien Bergamini <damien.bergamini@free.fr>. 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 unmodified, this list of conditions, and the following
  12  *    disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __RCSID("$NetBSD: iwictl.c,v 1.7 2006/08/09 11:57:51 skrll Exp $");
  32
  33 #include <sys/types.h>
  34 #include <sys/ioctl.h>
  35 #include <sys/mman.h>
  36 #include <sys/socket.h>
  37 #include <sys/stat.h>
  38
  39 #include <net/if.h>
  40
  41 #include <err.h>
  42 #include <errno.h>
  43 #include <fcntl.h>
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46 #include <string.h>
  47 #include <sysexits.h>
  48 #include <unistd.h>
  49
  50 #define SIOCGRADIO      _IOWR('i', 139, struct ifreq)
  51 #define SIOCGTABLE0     _IOWR('i', 140, struct ifreq)
  52
  53 static void usage(void) __dead;
  54 static int do_req(const char *, unsigned long, void *);
  55 static void get_radio_state(const char *);
  56 static void get_statistics(const char *);
  57
  58 int
  59 main(int argc, char **argv)
  60 {
  61         int ch;
  62         char *iface = NULL;
  63         int noflag = 1, rflag = 0;
  64
  65         setprogname(argv[0]);
  66         if (argc > 1 && argv[1][0] != '-') {
  67                 iface = argv[1];
  68                 optind++;
  69         }
  70
  71         while ((ch = getopt(argc, argv, "i:r")) != -1) {
  72                 if (ch != 'i')
  73                         noflag = 0;
  74
  75                 switch (ch) {
  76                 case 'i':
  77                         iface = optarg;
  78                         break;
  79
  80                 case 'r':
  81                         rflag = 1;
  82                         break;
  83
  84                 default:
  85                         usage();
  86                 }
  87         }
  88
  89         if (iface == NULL)
  90                 usage();
  91
  92         if (rflag)
  93                 get_radio_state(iface);
  94
  95         if (noflag)
  96                 get_statistics(iface);
  97
  98         return EX_OK;
  99 }
 100
 101 static void
 102 usage(void)
 103 {
 104         (void)fprintf(stderr, "Usage:  %s [-i] iface\n"
 105             "\t%s [-i] iface -r\n", getprogname(), getprogname());
 106
 107         exit(EX_USAGE);
 108 }
 109
 110 static int
 111 do_req(const char *iface, unsigned long req, void *data)
 112 {
 113         int s;
 114         struct ifreq ifr;
 115         int error, serrno;
 116
 117         if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
 118                 err(EX_OSERR, "Can't create socket");
 119
 120         (void)memset(&ifr, 0, sizeof(ifr));
 121         (void)strncpy(ifr.ifr_name, iface, sizeof(ifr.ifr_name));
 122         ifr.ifr_data = data;
 123         error = ioctl(s, req, &ifr);
 124         serrno = errno;
 125         (void)close(s);
 126         errno = serrno;
 127
 128         return error;
 129 }
 130
 131 static void
 132 get_radio_state(const char *iface)
 133 {
 134         int radio;
 135
 136         if (do_req(iface, SIOCGRADIO, &radio) == -1)
 137                 err(EX_OSERR, "Can't read radio");
 138
 139         (void)printf("Radio is %s\n", radio ? "ON" : "OFF");
 140 }
 141
 142 struct statistic {
 143         int             index;
 144         const char      *desc;
 145 };
 146
 147 static const struct statistic tbl[] = {
 148         {  1, "Current transmission rate" },
 149         {  2, "Fragmentation threshold" },
 150         {  3, "RTS threshold" },
 151         {  4, "Number of frames submitted for transfer" },
 152         {  5, "Number of frames transmitted" },
 153         {  6, "Number of unicast frames transmitted" },
 154         {  7, "Number of unicast 802.11b frames transmitted at 1Mb/s" },
 155         {  8, "Number of unicast 802.11b frames transmitted at 2Mb/s" },
 156         {  9, "Number of unicast 802.11b frames transmitted at 5.5Mb/s" },
 157         { 10, "Number of unicast 802.11b frames transmitted at 11Mb/s" },
 158
 159         { 19, "Number of unicast 802.11g frames transmitted at 1Mb/s" },
 160         { 20, "Number of unicast 802.11g frames transmitted at 2Mb/s" },
 161         { 21, "Number of unicast 802.11g frames transmitted at 5.5Mb/s" },
 162         { 22, "Number of unicast 802.11g frames transmitted at 6Mb/s" },
 163         { 23, "Number of unicast 802.11g frames transmitted at 9Mb/s" },
 164         { 24, "Number of unicast 802.11g frames transmitted at 11Mb/s" },
 165         { 25, "Number of unicast 802.11g frames transmitted at 12Mb/s" },
 166         { 26, "Number of unicast 802.11g frames transmitted at 18Mb/s" },
 167         { 27, "Number of unicast 802.11g frames transmitted at 24Mb/s" },
 168         { 28, "Number of unicast 802.11g frames transmitted at 36Mb/s" },
 169         { 29, "Number of unicast 802.11g frames transmitted at 48Mb/s" },
 170         { 30, "Number of unicast 802.11g frames transmitted at 54Mb/s" },
 171         { 31, "Number of multicast frames transmitted" },
 172         { 32, "Number of multicast 802.11b frames transmitted at 1Mb/s" },
 173         { 33, "Number of multicast 802.11b frames transmitted at 2Mb/s" },
 174         { 34, "Number of multicast 802.11b frames transmitted at 5.5Mb/s" },
 175         { 35, "Number of multicast 802.11b frames transmitted at 11Mb/s" },
 176
 177         { 44, "Number of multicast 802.11g frames transmitted at 1Mb/s" },
 178         { 45, "Number of multicast 802.11g frames transmitted at 2Mb/s" },
 179         { 46, "Number of multicast 802.11g frames transmitted at 5.5Mb/s" },
 180         { 47, "Number of multicast 802.11g frames transmitted at 6Mb/s" },
 181         { 48, "Number of multicast 802.11g frames transmitted at 9Mb/s" },
 182         { 49, "Number of multicast 802.11g frames transmitted at 11Mb/s" },
 183         { 50, "Number of multicast 802.11g frames transmitted at 12Mb/s" },
 184         { 51, "Number of multicast 802.11g frames transmitted at 18Mb/s" },
 185         { 52, "Number of multicast 802.11g frames transmitted at 24Mb/s" },
 186         { 53, "Number of multicast 802.11g frames transmitted at 36Mb/s" },
 187         { 54, "Number of multicast 802.11g frames transmitted at 48Mb/s" },
 188         { 55, "Number of multicast 802.11g frames transmitted at 54Mb/s" },
 189         { 56, "Number of transmission retries" },
 190         { 57, "Number of transmission failures" },
 191         { 58, "Number of frames with a bad CRC received" },
 192
 193         { 61, "Number of full scans" },
 194         { 62, "Number of partial scans" },
 195
 196         { 64, "Number of bytes transmitted" },
 197         { 65, "Current RSSI" },
 198         { 66, "Number of beacons received" },
 199         { 67, "Number of beacons missed" },
 200
 201         { 0, NULL }
 202 };
 203
 204 static void
 205 get_statistics(const char *iface)
 206 {
 207         static u_int32_t stats[256];
 208         const struct statistic *st;
 209
 210         if (do_req(iface, SIOCGTABLE0, stats) == -1)
 211                 err(EX_OSERR, "Can't read statistics");
 212
 213         for (st = tbl; st->index != 0; st++)
 214                 (void)printf("%-60s[%u]\n", st->desc, stats[st->index]);
 215 }