Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 1 | /* IEEE 802.11 SoftMAC layer |
| 2 | * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it> |
| 3 | * |
| 4 | * Mostly extracted from the rtl8180-sa2400 driver for the |
| 5 | * in-kernel generic ieee802.11 stack. |
| 6 | * |
| 7 | * Some pieces of code might be stolen from ipw2100 driver |
| 8 | * copyright of who own it's copyright ;-) |
| 9 | * |
| 10 | * PS wx handler mostly stolen from hostap, copyright who |
| 11 | * own it's copyright ;-) |
| 12 | * |
| 13 | * released under the GPL |
| 14 | */ |
| 15 | |
| 16 | |
| 17 | #include "rtllib.h" |
| 18 | #include "rtl_core.h" |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 19 | #include "dot11d.h" |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 20 | /* FIXME: add A freqs */ |
| 21 | |
| 22 | const long rtllib_wlan_frequencies[] = { |
| 23 | 2412, 2417, 2422, 2427, |
| 24 | 2432, 2437, 2442, 2447, |
| 25 | 2452, 2457, 2462, 2467, |
| 26 | 2472, 2484 |
| 27 | }; |
| 28 | |
| 29 | |
| 30 | int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, |
| 31 | union iwreq_data *wrqu, char *b) |
| 32 | { |
| 33 | int ret; |
| 34 | struct iw_freq *fwrq = & wrqu->freq; |
| 35 | |
| 36 | down(&ieee->wx_sem); |
| 37 | |
| 38 | if (ieee->iw_mode == IW_MODE_INFRA){ |
| 39 | ret = 0; |
| 40 | goto out; |
| 41 | } |
| 42 | |
| 43 | /* if setting by freq convert to channel */ |
| 44 | if (fwrq->e == 1) { |
| 45 | if ((fwrq->m >= (int) 2.412e8 && |
| 46 | fwrq->m <= (int) 2.487e8)) { |
| 47 | int f = fwrq->m / 100000; |
| 48 | int c = 0; |
| 49 | |
| 50 | while ((c < 14) && (f != rtllib_wlan_frequencies[c])) |
| 51 | c++; |
| 52 | |
| 53 | /* hack to fall through */ |
| 54 | fwrq->e = 0; |
| 55 | fwrq->m = c + 1; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | if (fwrq->e > 0 || fwrq->m > 14 || fwrq->m < 1 ){ |
| 60 | ret = -EOPNOTSUPP; |
| 61 | goto out; |
| 62 | |
| 63 | }else { /* Set the channel */ |
| 64 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 65 | if (ieee->active_channel_map[fwrq->m] != 1) { |
| 66 | ret = -EINVAL; |
| 67 | goto out; |
| 68 | } |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 69 | ieee->current_network.channel = fwrq->m; |
| 70 | ieee->set_chan(ieee->dev, ieee->current_network.channel); |
| 71 | |
| 72 | if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER) |
| 73 | if (ieee->state == RTLLIB_LINKED){ |
| 74 | |
| 75 | rtllib_stop_send_beacons(ieee); |
| 76 | rtllib_start_send_beacons(ieee); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | ret = 0; |
| 81 | out: |
| 82 | up(&ieee->wx_sem); |
| 83 | return ret; |
| 84 | } |
| 85 | |
| 86 | |
| 87 | int rtllib_wx_get_freq(struct rtllib_device *ieee, |
| 88 | struct iw_request_info *a, |
| 89 | union iwreq_data *wrqu, char *b) |
| 90 | { |
| 91 | struct iw_freq *fwrq = & wrqu->freq; |
| 92 | |
| 93 | if (ieee->current_network.channel == 0) |
| 94 | return -1; |
| 95 | fwrq->m = rtllib_wlan_frequencies[ieee->current_network.channel-1] * 100000; |
| 96 | fwrq->e = 1; |
| 97 | return 0; |
| 98 | } |
| 99 | |
| 100 | int rtllib_wx_get_wap(struct rtllib_device *ieee, |
| 101 | struct iw_request_info *info, |
| 102 | union iwreq_data *wrqu, char *extra) |
| 103 | { |
| 104 | unsigned long flags; |
| 105 | |
| 106 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; |
| 107 | |
| 108 | if (ieee->iw_mode == IW_MODE_MONITOR) |
| 109 | return -1; |
| 110 | |
| 111 | /* We want avoid to give to the user inconsistent infos*/ |
| 112 | spin_lock_irqsave(&ieee->lock, flags); |
| 113 | |
| 114 | if (ieee->state != RTLLIB_LINKED && |
| 115 | ieee->state != RTLLIB_LINKED_SCANNING && |
| 116 | ieee->wap_set == 0) |
| 117 | |
| 118 | memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN); |
| 119 | else |
| 120 | memcpy(wrqu->ap_addr.sa_data, |
| 121 | ieee->current_network.bssid, ETH_ALEN); |
| 122 | |
| 123 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 124 | |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | |
| 129 | int rtllib_wx_set_wap(struct rtllib_device *ieee, |
| 130 | struct iw_request_info *info, |
| 131 | union iwreq_data *awrq, |
| 132 | char *extra) |
| 133 | { |
| 134 | |
| 135 | int ret = 0; |
| 136 | u8 zero[] = {0,0,0,0,0,0}; |
| 137 | unsigned long flags; |
| 138 | |
| 139 | short ifup = ieee->proto_started; |
| 140 | struct sockaddr *temp = (struct sockaddr *)awrq; |
| 141 | |
| 142 | rtllib_stop_scan_syncro(ieee); |
| 143 | |
| 144 | down(&ieee->wx_sem); |
| 145 | /* use ifconfig hw ether */ |
| 146 | if (ieee->iw_mode == IW_MODE_MASTER){ |
| 147 | ret = -1; |
| 148 | goto out; |
| 149 | } |
| 150 | |
| 151 | if (temp->sa_family != ARPHRD_ETHER){ |
| 152 | ret = -EINVAL; |
| 153 | goto out; |
| 154 | } |
| 155 | |
| 156 | if (memcmp(temp->sa_data, zero,ETH_ALEN) == 0){ |
| 157 | spin_lock_irqsave(&ieee->lock, flags); |
| 158 | memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); |
| 159 | ieee->wap_set = 0; |
| 160 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 161 | ret = -1; |
| 162 | goto out; |
| 163 | } |
| 164 | |
| 165 | |
| 166 | if (ifup) |
| 167 | rtllib_stop_protocol(ieee,true); |
| 168 | |
| 169 | /* just to avoid to give inconsistent infos in the |
| 170 | * get wx method. not really needed otherwise |
| 171 | */ |
| 172 | spin_lock_irqsave(&ieee->lock, flags); |
| 173 | |
| 174 | ieee->cannot_notify = false; |
| 175 | memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); |
| 176 | ieee->wap_set = (memcmp(temp->sa_data, zero,ETH_ALEN)!=0); |
| 177 | |
| 178 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 179 | |
| 180 | if (ifup) |
| 181 | rtllib_start_protocol(ieee); |
| 182 | out: |
| 183 | up(&ieee->wx_sem); |
| 184 | return ret; |
| 185 | } |
| 186 | |
| 187 | int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b) |
| 188 | { |
| 189 | int len,ret = 0; |
| 190 | unsigned long flags; |
| 191 | |
| 192 | if (ieee->iw_mode == IW_MODE_MONITOR) |
| 193 | return -1; |
| 194 | |
| 195 | /* We want avoid to give to the user inconsistent infos*/ |
| 196 | spin_lock_irqsave(&ieee->lock, flags); |
| 197 | |
| 198 | if (ieee->current_network.ssid[0] == '\0' || |
| 199 | ieee->current_network.ssid_len == 0){ |
| 200 | ret = -1; |
| 201 | goto out; |
| 202 | } |
| 203 | |
| 204 | if (ieee->state != RTLLIB_LINKED && |
| 205 | ieee->state != RTLLIB_LINKED_SCANNING && |
| 206 | ieee->ssid_set == 0){ |
| 207 | ret = -1; |
| 208 | goto out; |
| 209 | } |
| 210 | len = ieee->current_network.ssid_len; |
| 211 | wrqu->essid.length = len; |
| 212 | strncpy(b,ieee->current_network.ssid,len); |
| 213 | wrqu->essid.flags = 1; |
| 214 | |
| 215 | out: |
| 216 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 217 | |
| 218 | return ret; |
| 219 | |
| 220 | } |
| 221 | |
| 222 | int rtllib_wx_set_rate(struct rtllib_device *ieee, |
| 223 | struct iw_request_info *info, |
| 224 | union iwreq_data *wrqu, char *extra) |
| 225 | { |
| 226 | |
| 227 | u32 target_rate = wrqu->bitrate.value; |
| 228 | |
| 229 | ieee->rate = target_rate/100000; |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | int rtllib_wx_get_rate(struct rtllib_device *ieee, |
| 234 | struct iw_request_info *info, |
| 235 | union iwreq_data *wrqu, char *extra) |
| 236 | { |
| 237 | u32 tmp_rate = 0; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 238 | tmp_rate = TxCountToDataRate(ieee, ieee->softmac_stats.CurrentShowTxate); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 239 | wrqu->bitrate.value = tmp_rate * 500000; |
| 240 | |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | |
| 245 | int rtllib_wx_set_rts(struct rtllib_device *ieee, |
| 246 | struct iw_request_info *info, |
| 247 | union iwreq_data *wrqu, char *extra) |
| 248 | { |
| 249 | if (wrqu->rts.disabled || !wrqu->rts.fixed) |
| 250 | ieee->rts = DEFAULT_RTS_THRESHOLD; |
| 251 | else |
| 252 | { |
| 253 | if (wrqu->rts.value < MIN_RTS_THRESHOLD || |
| 254 | wrqu->rts.value > MAX_RTS_THRESHOLD) |
| 255 | return -EINVAL; |
| 256 | ieee->rts = wrqu->rts.value; |
| 257 | } |
| 258 | return 0; |
| 259 | } |
| 260 | |
| 261 | int rtllib_wx_get_rts(struct rtllib_device *ieee, |
| 262 | struct iw_request_info *info, |
| 263 | union iwreq_data *wrqu, char *extra) |
| 264 | { |
| 265 | wrqu->rts.value = ieee->rts; |
| 266 | wrqu->rts.fixed = 0; /* no auto select */ |
| 267 | wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD); |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, |
| 272 | union iwreq_data *wrqu, char *b) |
| 273 | { |
| 274 | int set_mode_status = 0; |
| 275 | |
| 276 | rtllib_stop_scan_syncro(ieee); |
| 277 | down(&ieee->wx_sem); |
| 278 | switch (wrqu->mode) { |
| 279 | case IW_MODE_MONITOR: |
| 280 | case IW_MODE_ADHOC: |
| 281 | case IW_MODE_INFRA: |
| 282 | break; |
| 283 | case IW_MODE_AUTO: |
| 284 | wrqu->mode = IW_MODE_INFRA; |
| 285 | break; |
| 286 | default: |
| 287 | set_mode_status = -EINVAL; |
| 288 | goto out; |
| 289 | } |
| 290 | |
| 291 | if (wrqu->mode == ieee->iw_mode) |
| 292 | goto out; |
| 293 | |
| 294 | if (wrqu->mode == IW_MODE_MONITOR) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 295 | ieee->dev->type = ARPHRD_IEEE80211; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 296 | rtllib_EnableNetMonitorMode(ieee->dev,false); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 297 | } else { |
| 298 | ieee->dev->type = ARPHRD_ETHER; |
| 299 | if (ieee->iw_mode == IW_MODE_MONITOR) |
| 300 | rtllib_DisableNetMonitorMode(ieee->dev,false); |
| 301 | } |
| 302 | |
| 303 | if (!ieee->proto_started) { |
| 304 | ieee->iw_mode = wrqu->mode; |
| 305 | } else { |
| 306 | rtllib_stop_protocol(ieee,true); |
| 307 | ieee->iw_mode = wrqu->mode; |
| 308 | rtllib_start_protocol(ieee); |
| 309 | } |
| 310 | |
| 311 | out: |
| 312 | up(&ieee->wx_sem); |
| 313 | return set_mode_status; |
| 314 | } |
| 315 | |
| 316 | void rtllib_wx_sync_scan_wq(void *data) |
| 317 | { |
| 318 | struct rtllib_device *ieee = container_of_work_rsl(data, struct rtllib_device, wx_sync_scan_wq); |
| 319 | short chan; |
| 320 | HT_EXTCHNL_OFFSET chan_offset=0; |
Larry Finger | 6e57911 | 2011-07-19 18:20:30 -0500 | [diff] [blame^] | 321 | enum ht_channel_width bandwidth=0; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 322 | int b40M = 0; |
| 323 | static int count = 0; |
| 324 | |
| 325 | if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)){ |
| 326 | rtllib_start_scan_syncro(ieee, 0); |
| 327 | goto out; |
| 328 | } |
| 329 | |
| 330 | chan = ieee->current_network.channel; |
| 331 | |
| 332 | if (ieee->LeisurePSLeave) |
| 333 | ieee->LeisurePSLeave(ieee->dev); |
| 334 | /* notify AP to be in PS mode */ |
| 335 | rtllib_sta_ps_send_null_frame(ieee, 1); |
| 336 | rtllib_sta_ps_send_null_frame(ieee, 1); |
| 337 | |
| 338 | rtllib_stop_all_queues(ieee); |
| 339 | |
| 340 | if (ieee->data_hard_stop) |
| 341 | ieee->data_hard_stop(ieee->dev); |
| 342 | rtllib_stop_send_beacons(ieee); |
| 343 | ieee->state = RTLLIB_LINKED_SCANNING; |
| 344 | ieee->link_change(ieee->dev); |
| 345 | /* wait for ps packet to be kicked out successfully */ |
| 346 | msleep(50); |
| 347 | |
| 348 | if (ieee->ScanOperationBackupHandler) |
| 349 | ieee->ScanOperationBackupHandler(ieee->dev,SCAN_OPT_BACKUP); |
| 350 | |
| 351 | if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT && ieee->pHTInfo->bCurBW40MHz) { |
| 352 | b40M = 1; |
| 353 | chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset; |
Larry Finger | 6e57911 | 2011-07-19 18:20:30 -0500 | [diff] [blame^] | 354 | bandwidth = (enum ht_channel_width)ieee->pHTInfo->bCurBW40MHz; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 355 | RT_TRACE(COMP_DBG, "Scan in 40M, force to 20M first:%d, %d\n", chan_offset, bandwidth); |
| 356 | ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); |
| 357 | } |
| 358 | |
| 359 | rtllib_start_scan_syncro(ieee, 0); |
| 360 | |
| 361 | if (b40M) { |
| 362 | RT_TRACE(COMP_DBG, "Scan in 20M, back to 40M\n"); |
| 363 | if (chan_offset == HT_EXTCHNL_OFFSET_UPPER) |
| 364 | ieee->set_chan(ieee->dev, chan + 2); |
| 365 | else if (chan_offset == HT_EXTCHNL_OFFSET_LOWER) |
| 366 | ieee->set_chan(ieee->dev, chan - 2); |
| 367 | else |
| 368 | ieee->set_chan(ieee->dev, chan); |
| 369 | ieee->SetBWModeHandler(ieee->dev, bandwidth, chan_offset); |
| 370 | } else { |
| 371 | ieee->set_chan(ieee->dev, chan); |
| 372 | } |
| 373 | |
| 374 | if (ieee->ScanOperationBackupHandler) |
| 375 | ieee->ScanOperationBackupHandler(ieee->dev,SCAN_OPT_RESTORE); |
| 376 | |
| 377 | ieee->state = RTLLIB_LINKED; |
| 378 | ieee->link_change(ieee->dev); |
| 379 | |
| 380 | /* Notify AP that I wake up again */ |
| 381 | rtllib_sta_ps_send_null_frame(ieee, 0); |
| 382 | |
| 383 | if (ieee->LinkDetectInfo.NumRecvBcnInPeriod == 0 || |
| 384 | ieee->LinkDetectInfo.NumRecvDataInPeriod == 0 ) { |
| 385 | ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1; |
| 386 | ieee->LinkDetectInfo.NumRecvDataInPeriod= 1; |
| 387 | } |
| 388 | |
| 389 | if (ieee->data_hard_resume) |
| 390 | ieee->data_hard_resume(ieee->dev); |
| 391 | |
| 392 | if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER) |
| 393 | rtllib_start_send_beacons(ieee); |
| 394 | |
| 395 | rtllib_wake_all_queues(ieee); |
| 396 | |
| 397 | count = 0; |
| 398 | out: |
| 399 | up(&ieee->wx_sem); |
| 400 | |
| 401 | } |
| 402 | |
| 403 | int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a, |
| 404 | union iwreq_data *wrqu, char *b) |
| 405 | { |
| 406 | int ret = 0; |
| 407 | |
| 408 | down(&ieee->wx_sem); |
| 409 | |
| 410 | if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)){ |
| 411 | ret = -1; |
| 412 | goto out; |
| 413 | } |
| 414 | |
| 415 | if ( ieee->state == RTLLIB_LINKED){ |
| 416 | queue_work_rsl(ieee->wq, &ieee->wx_sync_scan_wq); |
| 417 | /* intentionally forget to up sem */ |
| 418 | return 0; |
| 419 | } |
| 420 | |
| 421 | out: |
| 422 | up(&ieee->wx_sem); |
| 423 | return ret; |
| 424 | } |
| 425 | |
| 426 | int rtllib_wx_set_essid(struct rtllib_device *ieee, |
| 427 | struct iw_request_info *a, |
| 428 | union iwreq_data *wrqu, char *extra) |
| 429 | { |
| 430 | |
| 431 | int ret=0,len,i; |
| 432 | short proto_started; |
| 433 | unsigned long flags; |
| 434 | |
| 435 | rtllib_stop_scan_syncro(ieee); |
| 436 | down(&ieee->wx_sem); |
| 437 | |
| 438 | proto_started = ieee->proto_started; |
| 439 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 440 | len = (wrqu->essid.length < IW_ESSID_MAX_SIZE) ? wrqu->essid.length : IW_ESSID_MAX_SIZE; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 441 | |
| 442 | if (len > IW_ESSID_MAX_SIZE){ |
| 443 | ret= -E2BIG; |
| 444 | goto out; |
| 445 | } |
| 446 | |
| 447 | if (ieee->iw_mode == IW_MODE_MONITOR){ |
| 448 | ret= -1; |
| 449 | goto out; |
| 450 | } |
| 451 | |
| 452 | for (i=0; i<len; i++){ |
| 453 | if (extra[i] < 0){ |
| 454 | ret= -1; |
| 455 | goto out; |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | if (proto_started) |
| 460 | rtllib_stop_protocol(ieee,true); |
| 461 | |
| 462 | |
| 463 | /* this is just to be sure that the GET wx callback |
| 464 | * has consisten infos. not needed otherwise |
| 465 | */ |
| 466 | spin_lock_irqsave(&ieee->lock, flags); |
| 467 | |
| 468 | if (wrqu->essid.flags && wrqu->essid.length) { |
| 469 | strncpy(ieee->current_network.ssid, extra, len); |
| 470 | ieee->current_network.ssid_len = len; |
| 471 | ieee->cannot_notify = false; |
| 472 | ieee->ssid_set = 1; |
| 473 | } |
| 474 | else{ |
| 475 | ieee->ssid_set = 0; |
| 476 | ieee->current_network.ssid[0] = '\0'; |
| 477 | ieee->current_network.ssid_len = 0; |
| 478 | } |
| 479 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 480 | |
| 481 | if (proto_started) |
| 482 | rtllib_start_protocol(ieee); |
| 483 | out: |
| 484 | up(&ieee->wx_sem); |
| 485 | return ret; |
| 486 | } |
| 487 | |
| 488 | int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a, |
| 489 | union iwreq_data *wrqu, char *b) |
| 490 | { |
| 491 | wrqu->mode = ieee->iw_mode; |
| 492 | return 0; |
| 493 | } |
| 494 | |
| 495 | int rtllib_wx_set_rawtx(struct rtllib_device *ieee, |
| 496 | struct iw_request_info *info, |
| 497 | union iwreq_data *wrqu, char *extra) |
| 498 | { |
| 499 | |
| 500 | int *parms = (int *)extra; |
| 501 | int enable = (parms[0] > 0); |
| 502 | short prev = ieee->raw_tx; |
| 503 | |
| 504 | down(&ieee->wx_sem); |
| 505 | |
| 506 | if (enable) |
| 507 | ieee->raw_tx = 1; |
| 508 | else |
| 509 | ieee->raw_tx = 0; |
| 510 | |
| 511 | printk(KERN_INFO"raw TX is %s\n", |
| 512 | ieee->raw_tx ? "enabled" : "disabled"); |
| 513 | |
| 514 | if (ieee->iw_mode == IW_MODE_MONITOR) |
| 515 | { |
| 516 | if (prev == 0 && ieee->raw_tx){ |
| 517 | if (ieee->data_hard_resume) |
| 518 | ieee->data_hard_resume(ieee->dev); |
| 519 | |
| 520 | netif_carrier_on(ieee->dev); |
| 521 | } |
| 522 | |
| 523 | if (prev && ieee->raw_tx == 1) |
| 524 | netif_carrier_off(ieee->dev); |
| 525 | } |
| 526 | |
| 527 | up(&ieee->wx_sem); |
| 528 | |
| 529 | return 0; |
| 530 | } |
| 531 | |
| 532 | int rtllib_wx_get_name(struct rtllib_device *ieee, |
| 533 | struct iw_request_info *info, |
| 534 | union iwreq_data *wrqu, char *extra) |
| 535 | { |
| 536 | strcpy(wrqu->name, "802.11"); |
| 537 | |
| 538 | if (ieee->modulation & RTLLIB_CCK_MODULATION) |
| 539 | strcat(wrqu->name, "b"); |
| 540 | if (ieee->modulation & RTLLIB_OFDM_MODULATION) |
| 541 | strcat(wrqu->name, "g"); |
| 542 | if (ieee->mode & (IEEE_N_24G | IEEE_N_5G)) |
| 543 | strcat(wrqu->name, "n"); |
| 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | |
| 548 | /* this is mostly stolen from hostap */ |
| 549 | int rtllib_wx_set_power(struct rtllib_device *ieee, |
| 550 | struct iw_request_info *info, |
| 551 | union iwreq_data *wrqu, char *extra) |
| 552 | { |
| 553 | int ret = 0; |
Mike McCormack | 4f6807e | 2011-07-11 08:56:20 +0900 | [diff] [blame] | 554 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 555 | if ( |
| 556 | (!ieee->sta_wake_up) || |
| 557 | (!ieee->enter_sleep_state) || |
| 558 | (!ieee->ps_is_queue_empty)){ |
| 559 | |
| 560 | RTLLIB_DEBUG(RTLLIB_DL_ERR,"%s(): PS mode is tryied to be use but driver missed a callback\n\n",__func__); |
| 561 | |
| 562 | return -1; |
| 563 | } |
Mike McCormack | 4f6807e | 2011-07-11 08:56:20 +0900 | [diff] [blame] | 564 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 565 | down(&ieee->wx_sem); |
| 566 | |
| 567 | if (wrqu->power.disabled){ |
| 568 | RT_TRACE(COMP_DBG, "===>%s(): power disable\n",__func__); |
| 569 | ieee->ps = RTLLIB_PS_DISABLED; |
| 570 | goto exit; |
| 571 | } |
| 572 | if (wrqu->power.flags & IW_POWER_TIMEOUT) { |
| 573 | ieee->ps_timeout = wrqu->power.value / 1000; |
| 574 | RT_TRACE(COMP_DBG, "===>%s():ps_timeout is %d\n",__func__,ieee->ps_timeout); |
| 575 | } |
| 576 | |
| 577 | if (wrqu->power.flags & IW_POWER_PERIOD) { |
| 578 | |
| 579 | ieee->ps_period = wrqu->power.value / 1000; |
| 580 | |
| 581 | } |
| 582 | switch (wrqu->power.flags & IW_POWER_MODE) { |
| 583 | case IW_POWER_UNICAST_R: |
| 584 | ieee->ps = RTLLIB_PS_UNICAST; |
| 585 | break; |
| 586 | case IW_POWER_MULTICAST_R: |
| 587 | ieee->ps = RTLLIB_PS_MBCAST; |
| 588 | break; |
| 589 | case IW_POWER_ALL_R: |
| 590 | ieee->ps = RTLLIB_PS_UNICAST | RTLLIB_PS_MBCAST; |
| 591 | break; |
| 592 | |
| 593 | case IW_POWER_ON: |
| 594 | break; |
| 595 | |
| 596 | default: |
| 597 | ret = -EINVAL; |
| 598 | goto exit; |
| 599 | |
| 600 | } |
| 601 | exit: |
| 602 | up(&ieee->wx_sem); |
| 603 | return ret; |
| 604 | |
| 605 | } |
| 606 | |
| 607 | /* this is stolen from hostap */ |
| 608 | int rtllib_wx_get_power(struct rtllib_device *ieee, |
| 609 | struct iw_request_info *info, |
| 610 | union iwreq_data *wrqu, char *extra) |
| 611 | { |
| 612 | int ret =0; |
| 613 | |
| 614 | down(&ieee->wx_sem); |
| 615 | |
| 616 | if (ieee->ps == RTLLIB_PS_DISABLED) { |
| 617 | wrqu->power.disabled = 1; |
| 618 | goto exit; |
| 619 | } |
| 620 | |
| 621 | wrqu->power.disabled = 0; |
| 622 | |
| 623 | if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { |
| 624 | wrqu->power.flags = IW_POWER_TIMEOUT; |
| 625 | wrqu->power.value = ieee->ps_timeout * 1000; |
| 626 | } else { |
| 627 | wrqu->power.flags = IW_POWER_PERIOD; |
| 628 | wrqu->power.value = ieee->ps_period * 1000; |
| 629 | } |
| 630 | |
| 631 | if ((ieee->ps & (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST)) == (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST)) |
| 632 | wrqu->power.flags |= IW_POWER_ALL_R; |
| 633 | else if (ieee->ps & RTLLIB_PS_MBCAST) |
| 634 | wrqu->power.flags |= IW_POWER_MULTICAST_R; |
| 635 | else |
| 636 | wrqu->power.flags |= IW_POWER_UNICAST_R; |
| 637 | |
| 638 | exit: |
| 639 | up(&ieee->wx_sem); |
| 640 | return ret; |
| 641 | |
| 642 | } |