1 /* 2 * Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include "diag.h" 27 28 #include "ah.h" 29 #include "ah_internal.h" 30 31 #include <getopt.h> 32 #include <errno.h> 33 #include <err.h> 34 #include <stdlib.h> 35 #include <string.h> 36 #include <ctype.h> 37 #include <unistd.h> 38 39 struct radarhandler { 40 struct ath_diag atd; 41 int s; 42 struct ifreq ifr; 43 int ah_devid; 44 }; 45 46 int 47 radar_opendev(struct radarhandler *radar, const char *devid) 48 { 49 HAL_REVS revs; 50 51 radar->s = socket(AF_INET, SOCK_DGRAM, 0); 52 if (radar->s < 0) { 53 warn("socket"); 54 return 0; 55 } 56 57 strncpy(radar->atd.ad_name, devid, sizeof (radar->atd.ad_name)); 58 59 /* Get the hardware revision, just to verify things are working */ 60 radar->atd.ad_id = HAL_DIAG_REVS; 61 radar->atd.ad_out_data = (caddr_t) &revs; 62 radar->atd.ad_out_size = sizeof(revs); 63 if (ioctl(radar->s, SIOCGATHDIAG, &radar->atd) < 0) { 64 warn(radar->atd.ad_name); 65 return 0; 66 } 67 radar->ah_devid = revs.ah_devid; 68 return 1; 69 } 70 71 void 72 radar_closedev(struct radarhandler *radar) 73 { 74 close(radar->s); 75 radar->s = -1; 76 } 77 78 void 79 radarset(struct radarhandler *radar, int op, u_int32_t param) 80 { 81 HAL_PHYERR_PARAM pe; 82 83 pe.pe_firpwr = HAL_PHYERR_PARAM_NOVAL; 84 pe.pe_rrssi = HAL_PHYERR_PARAM_NOVAL; 85 pe.pe_height = HAL_PHYERR_PARAM_NOVAL; 86 pe.pe_prssi = HAL_PHYERR_PARAM_NOVAL; 87 pe.pe_inband = HAL_PHYERR_PARAM_NOVAL; 88 pe.pe_enabled = HAL_PHYERR_PARAM_NOVAL; 89 90 pe.pe_relpwr = HAL_PHYERR_PARAM_NOVAL; 91 pe.pe_relstep = HAL_PHYERR_PARAM_NOVAL; 92 pe.pe_maxlen = HAL_PHYERR_PARAM_NOVAL; 93 pe.pe_usefir128 = HAL_PHYERR_PARAM_NOVAL; 94 pe.pe_blockradar = HAL_PHYERR_PARAM_NOVAL; 95 pe.pe_enmaxrssi = HAL_PHYERR_PARAM_NOVAL; 96 97 pe.pe_extchannel = HAL_PHYERR_PARAM_NOVAL; 98 pe.pe_enrelpwr = HAL_PHYERR_PARAM_NOVAL; 99 pe.pe_en_relstep_check = HAL_PHYERR_PARAM_NOVAL; 100 101 switch (op) { 102 case DFS_PARAM_ENABLE: 103 pe.pe_enabled = param; 104 break; 105 case DFS_PARAM_FIRPWR: 106 pe.pe_firpwr = param; 107 break; 108 case DFS_PARAM_RRSSI: 109 pe.pe_rrssi = param; 110 break; 111 case DFS_PARAM_HEIGHT: 112 pe.pe_height = param; 113 break; 114 case DFS_PARAM_PRSSI: 115 pe.pe_prssi = param; 116 break; 117 case DFS_PARAM_INBAND: 118 pe.pe_inband = param; 119 break; 120 case DFS_PARAM_RELPWR: 121 pe.pe_relpwr = param; 122 break; 123 case DFS_PARAM_RELSTEP: 124 pe.pe_relstep = param; 125 break; 126 case DFS_PARAM_MAXLEN: 127 pe.pe_maxlen = param; 128 break; 129 case DFS_PARAM_USEFIR128: 130 pe.pe_usefir128 = param; 131 break; 132 case DFS_PARAM_BLOCKRADAR: 133 pe.pe_blockradar = param; 134 break; 135 case DFS_PARAM_MAXRSSI_EN: 136 pe.pe_enmaxrssi = param; 137 break; 138 case DFS_PARAM_EN_EXTCH: 139 pe.pe_extchannel = param; 140 break; 141 case DFS_PARAM_RELPWR_EN: 142 pe.pe_enrelpwr = param; 143 break; 144 case DFS_PARAM_RELSTEP_EN: 145 pe.pe_en_relstep_check = param; 146 break; 147 } 148 149 radar->atd.ad_id = DFS_SET_THRESH | ATH_DIAG_IN; 150 radar->atd.ad_out_data = NULL; 151 radar->atd.ad_out_size = 0; 152 radar->atd.ad_in_data = (caddr_t) &pe; 153 radar->atd.ad_in_size = sizeof(HAL_PHYERR_PARAM); 154 if (ioctl(radar->s, SIOCGATHPHYERR, &radar->atd) < 0) 155 err(1, radar->atd.ad_name); 156 } 157 158 static void 159 radar_get(struct radarhandler *radar) 160 { 161 HAL_PHYERR_PARAM pe; 162 163 radar->atd.ad_id = DFS_GET_THRESH | ATH_DIAG_DYN; 164 memset(&pe, 0, sizeof(pe)); 165 166 radar->atd.ad_in_data = NULL; 167 radar->atd.ad_in_size = 0; 168 radar->atd.ad_out_data = (caddr_t) &pe; 169 radar->atd.ad_out_size = sizeof(pe); 170 171 if (ioctl(radar->s, SIOCGATHPHYERR, &radar->atd) < 0) 172 err(1, radar->atd.ad_name); 173 174 printf("Radar parameters (raw):\n"); 175 printf(" pe_enabled: %d\n", pe.pe_enabled); 176 printf(" pe_firpwr: %d\n", pe.pe_firpwr); 177 printf(" pe_rrssi: %d\n", pe.pe_rrssi); 178 printf(" pe_height: %d\n", pe.pe_height); 179 printf(" pe_prssi: %d\n", pe.pe_prssi); 180 printf(" pe_inband: %d\n", pe.pe_inband); 181 printf(" pe_relpwr: %d\n", pe.pe_relpwr); 182 printf(" pe_relstep: %d\n", pe.pe_relstep); 183 printf(" pe_maxlen: %d\n", pe.pe_maxlen); 184 printf(" pe_usefir128: %d\n", pe.pe_usefir128); 185 printf(" pe_blockradar: %d\n", pe.pe_blockradar); 186 printf(" pe_enmaxrssi: %d\n", pe.pe_enmaxrssi); 187 printf(" pe_extchannel: %d\n", pe.pe_extchannel); 188 printf(" pe_enrelpwr: %d\n", pe.pe_enrelpwr); 189 printf(" pe_en_relstep_check: %d\n", pe.pe_en_relstep_check); 190 } 191 192 static int 193 radar_set_param(struct radarhandler *radar, const char *param, 194 const char *val) 195 { 196 int v; 197 198 v = atoi(val); 199 200 if (strcmp(param, "enabled") == 0) { 201 radarset(radar, DFS_PARAM_ENABLE, v); 202 } else if (strcmp(param, "firpwr") == 0) { 203 radarset(radar, DFS_PARAM_FIRPWR, v); 204 } else if (strcmp(param, "rrssi") == 0) { 205 radarset(radar, DFS_PARAM_RRSSI, v); 206 } else if (strcmp(param, "height") == 0) { 207 radarset(radar, DFS_PARAM_HEIGHT, v); 208 } else if (strcmp(param, "prssi") == 0) { 209 radarset(radar, DFS_PARAM_PRSSI, v); 210 } else if (strcmp(param, "inband") == 0) { 211 radarset(radar, DFS_PARAM_INBAND, v); 212 } else if (strcmp(param, "relpwr") == 0) { 213 radarset(radar, DFS_PARAM_RELPWR, v); 214 } else if (strcmp(param, "relstep") == 0) { 215 radarset(radar, DFS_PARAM_RELSTEP, v); 216 } else if (strcmp(param, "maxlen") == 0) { 217 radarset(radar, DFS_PARAM_MAXLEN, v); 218 } else if (strcmp(param, "usefir128") == 0) { 219 radarset(radar, DFS_PARAM_USEFIR128, v); 220 } else if (strcmp(param, "blockradar") == 0) { 221 radarset(radar, DFS_PARAM_BLOCKRADAR, v); 222 } else if (strcmp(param, "enmaxrssi") == 0) { 223 radarset(radar, DFS_PARAM_MAXRSSI_EN, v); 224 } else if (strcmp(param, "extchannel") == 0) { 225 radarset(radar, DFS_PARAM_EN_EXTCH, v); 226 } else if (strcmp(param, "enrelpwr") == 0) { 227 radarset(radar, DFS_PARAM_RELPWR_EN, v); 228 } else if (strcmp(param, "en_relstep_check") == 0) { 229 radarset(radar, DFS_PARAM_RELSTEP_EN, v); 230 } else { 231 return 0; 232 } 233 234 return 1; 235 } 236 237 void 238 usage(const char *progname) 239 { 240 printf("Usage:\n"); 241 printf("\t%s: [-i <interface>] <cmd> (<arg>)\n", progname); 242 printf("\t%s: [-h]\n", progname); 243 printf("\n"); 244 printf("Valid commands:\n"); 245 printf("\tget:\t\tGet current radar parameters\n"); 246 printf("\tset <param> <value>:\t\tSet radar parameter\n"); 247 } 248 249 int 250 main(int argc, char *argv[]) 251 { 252 struct radarhandler radar; 253 const char *devname = ATH_DEFAULT; 254 const char *progname = argv[0]; 255 256 memset(&radar, 0, sizeof(radar)); 257 258 /* Parse command line options */ 259 if (argc >= 2 && strcmp(argv[1], "-h") == 0) { 260 usage(progname); 261 exit(0); 262 } 263 if (argc >= 2 && strcmp(argv[1], "-?") == 0) { 264 usage(progname); 265 exit(0); 266 } 267 268 if (argc >= 2 && strcmp(argv[1], "-i") == 0) { 269 if (argc == 2) { 270 usage(progname); 271 exit(127); 272 } 273 devname = argv[2]; 274 argc -= 2; argv += 2; 275 } 276 277 /* At this point we require at least one command */ 278 if (argc == 1) { 279 usage(progname); 280 exit(127); 281 } 282 283 if (radar_opendev(&radar, devname) == 0) 284 exit(127); 285 286 if (strcasecmp(argv[1], "get") == 0) { 287 radar_get(&radar); 288 } else if (strcasecmp(argv[1], "set") == 0) { 289 if (argc < 4) { 290 usage(progname); 291 exit(127); 292 } 293 if (radar_set_param(&radar, argv[2], argv[3]) == 0) { 294 usage(progname); 295 exit(127); 296 } 297 } else { 298 usage(progname); 299 exit(127); 300 } 301 302 /* wrap up */ 303 radar_closedev(&radar); 304 exit(0); 305 } 306