1 /* 2 * cfg80211 - wext compat code 3 * 4 * This is temporary code until all wireless functionality is migrated 5 * into cfg80211, when that happens all the exports here go away and 6 * we directly assign the wireless handlers of wireless interfaces. 7 * 8 * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net> 9 */ 10 11 #include <linux/wireless.h> 12 #include <linux/nl80211.h> 13 #include <linux/if_arp.h> 14 #include <linux/etherdevice.h> 15 #include <net/iw_handler.h> 16 #include <net/cfg80211.h> 17 #include "wext-compat.h" 18 #include "core.h" 19 20 int cfg80211_wext_giwname(struct net_device *dev, 21 struct iw_request_info *info, 22 char *name, char *extra) 23 { 24 struct wireless_dev *wdev = dev->ieee80211_ptr; 25 struct ieee80211_supported_band *sband; 26 bool is_ht = false, is_a = false, is_b = false, is_g = false; 27 28 if (!wdev) 29 return -EOPNOTSUPP; 30 31 sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ]; 32 if (sband) { 33 is_a = true; 34 is_ht |= sband->ht_cap.ht_supported; 35 } 36 37 sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ]; 38 if (sband) { 39 int i; 40 /* Check for mandatory rates */ 41 for (i = 0; i < sband->n_bitrates; i++) { 42 if (sband->bitrates[i].bitrate == 10) 43 is_b = true; 44 if (sband->bitrates[i].bitrate == 60) 45 is_g = true; 46 } 47 is_ht |= sband->ht_cap.ht_supported; 48 } 49 50 strcpy(name, "IEEE 802.11"); 51 if (is_a) 52 strcat(name, "a"); 53 if (is_b) 54 strcat(name, "b"); 55 if (is_g) 56 strcat(name, "g"); 57 if (is_ht) 58 strcat(name, "n"); 59 60 return 0; 61 } 62 EXPORT_SYMBOL_GPL(cfg80211_wext_giwname); 63 64 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, 65 u32 *mode, char *extra) 66 { 67 struct wireless_dev *wdev = dev->ieee80211_ptr; 68 struct cfg80211_registered_device *rdev; 69 struct vif_params vifparams; 70 enum nl80211_iftype type; 71 int ret; 72 73 rdev = wiphy_to_dev(wdev->wiphy); 74 75 switch (*mode) { 76 case IW_MODE_INFRA: 77 type = NL80211_IFTYPE_STATION; 78 break; 79 case IW_MODE_ADHOC: 80 type = NL80211_IFTYPE_ADHOC; 81 break; 82 case IW_MODE_REPEAT: 83 type = NL80211_IFTYPE_WDS; 84 break; 85 case IW_MODE_MONITOR: 86 type = NL80211_IFTYPE_MONITOR; 87 break; 88 default: 89 return -EINVAL; 90 } 91 92 if (type == wdev->iftype) 93 return 0; 94 95 memset(&vifparams, 0, sizeof(vifparams)); 96 97 cfg80211_lock_rdev(rdev); 98 ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams); 99 cfg80211_unlock_rdev(rdev); 100 101 return ret; 102 } 103 EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode); 104 105 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, 106 u32 *mode, char *extra) 107 { 108 struct wireless_dev *wdev = dev->ieee80211_ptr; 109 110 if (!wdev) 111 return -EOPNOTSUPP; 112 113 switch (wdev->iftype) { 114 case NL80211_IFTYPE_AP: 115 *mode = IW_MODE_MASTER; 116 break; 117 case NL80211_IFTYPE_STATION: 118 *mode = IW_MODE_INFRA; 119 break; 120 case NL80211_IFTYPE_ADHOC: 121 *mode = IW_MODE_ADHOC; 122 break; 123 case NL80211_IFTYPE_MONITOR: 124 *mode = IW_MODE_MONITOR; 125 break; 126 case NL80211_IFTYPE_WDS: 127 *mode = IW_MODE_REPEAT; 128 break; 129 case NL80211_IFTYPE_AP_VLAN: 130 *mode = IW_MODE_SECOND; /* FIXME */ 131 break; 132 default: 133 *mode = IW_MODE_AUTO; 134 break; 135 } 136 return 0; 137 } 138 EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode); 139 140 141 int cfg80211_wext_giwrange(struct net_device *dev, 142 struct iw_request_info *info, 143 struct iw_point *data, char *extra) 144 { 145 struct wireless_dev *wdev = dev->ieee80211_ptr; 146 struct iw_range *range = (struct iw_range *) extra; 147 enum ieee80211_band band; 148 int i, c = 0; 149 150 if (!wdev) 151 return -EOPNOTSUPP; 152 153 data->length = sizeof(struct iw_range); 154 memset(range, 0, sizeof(struct iw_range)); 155 156 range->we_version_compiled = WIRELESS_EXT; 157 range->we_version_source = 21; 158 range->retry_capa = IW_RETRY_LIMIT; 159 range->retry_flags = IW_RETRY_LIMIT; 160 range->min_retry = 0; 161 range->max_retry = 255; 162 range->min_rts = 0; 163 range->max_rts = 2347; 164 range->min_frag = 256; 165 range->max_frag = 2346; 166 167 range->max_encoding_tokens = 4; 168 169 range->max_qual.updated = IW_QUAL_NOISE_INVALID; 170 171 switch (wdev->wiphy->signal_type) { 172 case CFG80211_SIGNAL_TYPE_NONE: 173 break; 174 case CFG80211_SIGNAL_TYPE_MBM: 175 range->max_qual.level = -110; 176 range->max_qual.qual = 70; 177 range->avg_qual.qual = 35; 178 range->max_qual.updated |= IW_QUAL_DBM; 179 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; 180 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; 181 break; 182 case CFG80211_SIGNAL_TYPE_UNSPEC: 183 range->max_qual.level = 100; 184 range->max_qual.qual = 100; 185 range->avg_qual.qual = 50; 186 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; 187 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; 188 break; 189 } 190 191 range->avg_qual.level = range->max_qual.level / 2; 192 range->avg_qual.noise = range->max_qual.noise / 2; 193 range->avg_qual.updated = range->max_qual.updated; 194 195 for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) { 196 switch (wdev->wiphy->cipher_suites[i]) { 197 case WLAN_CIPHER_SUITE_TKIP: 198 range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP | 199 IW_ENC_CAPA_WPA); 200 break; 201 202 case WLAN_CIPHER_SUITE_CCMP: 203 range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP | 204 IW_ENC_CAPA_WPA2); 205 break; 206 207 case WLAN_CIPHER_SUITE_WEP40: 208 range->encoding_size[range->num_encoding_sizes++] = 209 WLAN_KEY_LEN_WEP40; 210 break; 211 212 case WLAN_CIPHER_SUITE_WEP104: 213 range->encoding_size[range->num_encoding_sizes++] = 214 WLAN_KEY_LEN_WEP104; 215 break; 216 } 217 } 218 219 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) { 220 struct ieee80211_supported_band *sband; 221 222 sband = wdev->wiphy->bands[band]; 223 224 if (!sband) 225 continue; 226 227 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { 228 struct ieee80211_channel *chan = &sband->channels[i]; 229 230 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { 231 range->freq[c].i = 232 ieee80211_frequency_to_channel( 233 chan->center_freq); 234 range->freq[c].m = chan->center_freq; 235 range->freq[c].e = 6; 236 c++; 237 } 238 } 239 } 240 range->num_channels = c; 241 range->num_frequency = c; 242 243 IW_EVENT_CAPA_SET_KERNEL(range->event_capa); 244 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); 245 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); 246 247 if (wdev->wiphy->max_scan_ssids > 0) 248 range->scan_capa |= IW_SCAN_CAPA_ESSID; 249 250 return 0; 251 } 252 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange); 253 254 255 /** 256 * cfg80211_wext_freq - get wext frequency for non-"auto" 257 * @wiphy: the wiphy 258 * @freq: the wext freq encoding 259 * 260 * Returns a frequency, or a negative error code, or 0 for auto. 261 */ 262 int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq) 263 { 264 /* 265 * Parse frequency - return 0 for auto and 266 * -EINVAL for impossible things. 267 */ 268 if (freq->e == 0) { 269 if (freq->m < 0) 270 return 0; 271 return ieee80211_channel_to_frequency(freq->m); 272 } else { 273 int i, div = 1000000; 274 for (i = 0; i < freq->e; i++) 275 div /= 10; 276 if (div <= 0) 277 return -EINVAL; 278 return freq->m / div; 279 } 280 } 281 282 int cfg80211_wext_siwrts(struct net_device *dev, 283 struct iw_request_info *info, 284 struct iw_param *rts, char *extra) 285 { 286 struct wireless_dev *wdev = dev->ieee80211_ptr; 287 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 288 u32 orts = wdev->wiphy->rts_threshold; 289 int err; 290 291 if (rts->disabled || !rts->fixed) 292 wdev->wiphy->rts_threshold = (u32) -1; 293 else if (rts->value < 0) 294 return -EINVAL; 295 else 296 wdev->wiphy->rts_threshold = rts->value; 297 298 err = rdev->ops->set_wiphy_params(wdev->wiphy, 299 WIPHY_PARAM_RTS_THRESHOLD); 300 if (err) 301 wdev->wiphy->rts_threshold = orts; 302 303 return err; 304 } 305 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts); 306 307 int cfg80211_wext_giwrts(struct net_device *dev, 308 struct iw_request_info *info, 309 struct iw_param *rts, char *extra) 310 { 311 struct wireless_dev *wdev = dev->ieee80211_ptr; 312 313 rts->value = wdev->wiphy->rts_threshold; 314 rts->disabled = rts->value == (u32) -1; 315 rts->fixed = 1; 316 317 return 0; 318 } 319 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts); 320 321 int cfg80211_wext_siwfrag(struct net_device *dev, 322 struct iw_request_info *info, 323 struct iw_param *frag, char *extra) 324 { 325 struct wireless_dev *wdev = dev->ieee80211_ptr; 326 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 327 u32 ofrag = wdev->wiphy->frag_threshold; 328 int err; 329 330 if (frag->disabled || !frag->fixed) 331 wdev->wiphy->frag_threshold = (u32) -1; 332 else if (frag->value < 256) 333 return -EINVAL; 334 else { 335 /* Fragment length must be even, so strip LSB. */ 336 wdev->wiphy->frag_threshold = frag->value & ~0x1; 337 } 338 339 err = rdev->ops->set_wiphy_params(wdev->wiphy, 340 WIPHY_PARAM_FRAG_THRESHOLD); 341 if (err) 342 wdev->wiphy->frag_threshold = ofrag; 343 344 return err; 345 } 346 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag); 347 348 int cfg80211_wext_giwfrag(struct net_device *dev, 349 struct iw_request_info *info, 350 struct iw_param *frag, char *extra) 351 { 352 struct wireless_dev *wdev = dev->ieee80211_ptr; 353 354 frag->value = wdev->wiphy->frag_threshold; 355 frag->disabled = frag->value == (u32) -1; 356 frag->fixed = 1; 357 358 return 0; 359 } 360 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag); 361 362 int cfg80211_wext_siwretry(struct net_device *dev, 363 struct iw_request_info *info, 364 struct iw_param *retry, char *extra) 365 { 366 struct wireless_dev *wdev = dev->ieee80211_ptr; 367 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 368 u32 changed = 0; 369 u8 olong = wdev->wiphy->retry_long; 370 u8 oshort = wdev->wiphy->retry_short; 371 int err; 372 373 if (retry->disabled || 374 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) 375 return -EINVAL; 376 377 if (retry->flags & IW_RETRY_LONG) { 378 wdev->wiphy->retry_long = retry->value; 379 changed |= WIPHY_PARAM_RETRY_LONG; 380 } else if (retry->flags & IW_RETRY_SHORT) { 381 wdev->wiphy->retry_short = retry->value; 382 changed |= WIPHY_PARAM_RETRY_SHORT; 383 } else { 384 wdev->wiphy->retry_short = retry->value; 385 wdev->wiphy->retry_long = retry->value; 386 changed |= WIPHY_PARAM_RETRY_LONG; 387 changed |= WIPHY_PARAM_RETRY_SHORT; 388 } 389 390 if (!changed) 391 return 0; 392 393 err = rdev->ops->set_wiphy_params(wdev->wiphy, changed); 394 if (err) { 395 wdev->wiphy->retry_short = oshort; 396 wdev->wiphy->retry_long = olong; 397 } 398 399 return err; 400 } 401 EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry); 402 403 int cfg80211_wext_giwretry(struct net_device *dev, 404 struct iw_request_info *info, 405 struct iw_param *retry, char *extra) 406 { 407 struct wireless_dev *wdev = dev->ieee80211_ptr; 408 409 retry->disabled = 0; 410 411 if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) { 412 /* 413 * First return short value, iwconfig will ask long value 414 * later if needed 415 */ 416 retry->flags |= IW_RETRY_LIMIT; 417 retry->value = wdev->wiphy->retry_short; 418 if (wdev->wiphy->retry_long != wdev->wiphy->retry_short) 419 retry->flags |= IW_RETRY_LONG; 420 421 return 0; 422 } 423 424 if (retry->flags & IW_RETRY_LONG) { 425 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 426 retry->value = wdev->wiphy->retry_long; 427 } 428 429 return 0; 430 } 431 EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry); 432 433 static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, 434 struct net_device *dev, const u8 *addr, 435 bool remove, bool tx_key, int idx, 436 struct key_params *params) 437 { 438 struct wireless_dev *wdev = dev->ieee80211_ptr; 439 int err, i; 440 bool rejoin = false; 441 442 if (!wdev->wext.keys) { 443 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys), 444 GFP_KERNEL); 445 if (!wdev->wext.keys) 446 return -ENOMEM; 447 for (i = 0; i < 6; i++) 448 wdev->wext.keys->params[i].key = 449 wdev->wext.keys->data[i]; 450 } 451 452 if (wdev->iftype != NL80211_IFTYPE_ADHOC && 453 wdev->iftype != NL80211_IFTYPE_STATION) 454 return -EOPNOTSUPP; 455 456 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { 457 if (!wdev->current_bss) 458 return -ENOLINK; 459 460 if (!rdev->ops->set_default_mgmt_key) 461 return -EOPNOTSUPP; 462 463 if (idx < 4 || idx > 5) 464 return -EINVAL; 465 } else if (idx < 0 || idx > 3) 466 return -EINVAL; 467 468 if (remove) { 469 err = 0; 470 if (wdev->current_bss) { 471 /* 472 * If removing the current TX key, we will need to 473 * join a new IBSS without the privacy bit clear. 474 */ 475 if (idx == wdev->wext.default_key && 476 wdev->iftype == NL80211_IFTYPE_ADHOC) { 477 __cfg80211_leave_ibss(rdev, wdev->netdev, true); 478 rejoin = true; 479 } 480 err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr); 481 } 482 wdev->wext.connect.privacy = false; 483 /* 484 * Applications using wireless extensions expect to be 485 * able to delete keys that don't exist, so allow that. 486 */ 487 if (err == -ENOENT) 488 err = 0; 489 if (!err) { 490 if (!addr) { 491 wdev->wext.keys->params[idx].key_len = 0; 492 wdev->wext.keys->params[idx].cipher = 0; 493 } 494 if (idx == wdev->wext.default_key) 495 wdev->wext.default_key = -1; 496 else if (idx == wdev->wext.default_mgmt_key) 497 wdev->wext.default_mgmt_key = -1; 498 } 499 500 if (!err && rejoin) 501 err = cfg80211_ibss_wext_join(rdev, wdev); 502 503 return err; 504 } 505 506 if (addr) 507 tx_key = false; 508 509 if (cfg80211_validate_key_settings(rdev, params, idx, addr)) 510 return -EINVAL; 511 512 err = 0; 513 if (wdev->current_bss) 514 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params); 515 if (err) 516 return err; 517 518 if (!addr) { 519 wdev->wext.keys->params[idx] = *params; 520 memcpy(wdev->wext.keys->data[idx], 521 params->key, params->key_len); 522 wdev->wext.keys->params[idx].key = 523 wdev->wext.keys->data[idx]; 524 } 525 526 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 || 527 params->cipher == WLAN_CIPHER_SUITE_WEP104) && 528 (tx_key || (!addr && wdev->wext.default_key == -1))) { 529 if (wdev->current_bss) { 530 /* 531 * If we are getting a new TX key from not having 532 * had one before we need to join a new IBSS with 533 * the privacy bit set. 534 */ 535 if (wdev->iftype == NL80211_IFTYPE_ADHOC && 536 wdev->wext.default_key == -1) { 537 __cfg80211_leave_ibss(rdev, wdev->netdev, true); 538 rejoin = true; 539 } 540 err = rdev->ops->set_default_key(&rdev->wiphy, 541 dev, idx); 542 } 543 if (!err) { 544 wdev->wext.default_key = idx; 545 if (rejoin) 546 err = cfg80211_ibss_wext_join(rdev, wdev); 547 } 548 return err; 549 } 550 551 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && 552 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { 553 if (wdev->current_bss) 554 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, 555 dev, idx); 556 if (!err) 557 wdev->wext.default_mgmt_key = idx; 558 return err; 559 } 560 561 return 0; 562 } 563 564 static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, 565 struct net_device *dev, const u8 *addr, 566 bool remove, bool tx_key, int idx, 567 struct key_params *params) 568 { 569 int err; 570 571 /* devlist mutex needed for possible IBSS re-join */ 572 mutex_lock(&rdev->devlist_mtx); 573 wdev_lock(dev->ieee80211_ptr); 574 err = __cfg80211_set_encryption(rdev, dev, addr, remove, 575 tx_key, idx, params); 576 wdev_unlock(dev->ieee80211_ptr); 577 mutex_unlock(&rdev->devlist_mtx); 578 579 return err; 580 } 581 582 int cfg80211_wext_siwencode(struct net_device *dev, 583 struct iw_request_info *info, 584 struct iw_point *erq, char *keybuf) 585 { 586 struct wireless_dev *wdev = dev->ieee80211_ptr; 587 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 588 int idx, err; 589 bool remove = false; 590 struct key_params params; 591 592 if (wdev->iftype != NL80211_IFTYPE_STATION && 593 wdev->iftype != NL80211_IFTYPE_ADHOC) 594 return -EOPNOTSUPP; 595 596 /* no use -- only MFP (set_default_mgmt_key) is optional */ 597 if (!rdev->ops->del_key || 598 !rdev->ops->add_key || 599 !rdev->ops->set_default_key) 600 return -EOPNOTSUPP; 601 602 idx = erq->flags & IW_ENCODE_INDEX; 603 if (idx == 0) { 604 idx = wdev->wext.default_key; 605 if (idx < 0) 606 idx = 0; 607 } else if (idx < 1 || idx > 4) 608 return -EINVAL; 609 else 610 idx--; 611 612 if (erq->flags & IW_ENCODE_DISABLED) 613 remove = true; 614 else if (erq->length == 0) { 615 /* No key data - just set the default TX key index */ 616 err = 0; 617 wdev_lock(wdev); 618 if (wdev->current_bss) 619 err = rdev->ops->set_default_key(&rdev->wiphy, 620 dev, idx); 621 if (!err) 622 wdev->wext.default_key = idx; 623 wdev_unlock(wdev); 624 return err; 625 } 626 627 memset(¶ms, 0, sizeof(params)); 628 params.key = keybuf; 629 params.key_len = erq->length; 630 if (erq->length == 5) 631 params.cipher = WLAN_CIPHER_SUITE_WEP40; 632 else if (erq->length == 13) 633 params.cipher = WLAN_CIPHER_SUITE_WEP104; 634 else if (!remove) 635 return -EINVAL; 636 637 return cfg80211_set_encryption(rdev, dev, NULL, remove, 638 wdev->wext.default_key == -1, 639 idx, ¶ms); 640 } 641 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode); 642 643 int cfg80211_wext_siwencodeext(struct net_device *dev, 644 struct iw_request_info *info, 645 struct iw_point *erq, char *extra) 646 { 647 struct wireless_dev *wdev = dev->ieee80211_ptr; 648 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 649 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; 650 const u8 *addr; 651 int idx; 652 bool remove = false; 653 struct key_params params; 654 u32 cipher; 655 656 if (wdev->iftype != NL80211_IFTYPE_STATION && 657 wdev->iftype != NL80211_IFTYPE_ADHOC) 658 return -EOPNOTSUPP; 659 660 /* no use -- only MFP (set_default_mgmt_key) is optional */ 661 if (!rdev->ops->del_key || 662 !rdev->ops->add_key || 663 !rdev->ops->set_default_key) 664 return -EOPNOTSUPP; 665 666 switch (ext->alg) { 667 case IW_ENCODE_ALG_NONE: 668 remove = true; 669 cipher = 0; 670 break; 671 case IW_ENCODE_ALG_WEP: 672 if (ext->key_len == 5) 673 cipher = WLAN_CIPHER_SUITE_WEP40; 674 else if (ext->key_len == 13) 675 cipher = WLAN_CIPHER_SUITE_WEP104; 676 else 677 return -EINVAL; 678 break; 679 case IW_ENCODE_ALG_TKIP: 680 cipher = WLAN_CIPHER_SUITE_TKIP; 681 break; 682 case IW_ENCODE_ALG_CCMP: 683 cipher = WLAN_CIPHER_SUITE_CCMP; 684 break; 685 case IW_ENCODE_ALG_AES_CMAC: 686 cipher = WLAN_CIPHER_SUITE_AES_CMAC; 687 break; 688 default: 689 return -EOPNOTSUPP; 690 } 691 692 if (erq->flags & IW_ENCODE_DISABLED) 693 remove = true; 694 695 idx = erq->flags & IW_ENCODE_INDEX; 696 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) { 697 if (idx < 4 || idx > 5) { 698 idx = wdev->wext.default_mgmt_key; 699 if (idx < 0) 700 return -EINVAL; 701 } else 702 idx--; 703 } else { 704 if (idx < 1 || idx > 4) { 705 idx = wdev->wext.default_key; 706 if (idx < 0) 707 return -EINVAL; 708 } else 709 idx--; 710 } 711 712 addr = ext->addr.sa_data; 713 if (is_broadcast_ether_addr(addr)) 714 addr = NULL; 715 716 memset(¶ms, 0, sizeof(params)); 717 params.key = ext->key; 718 params.key_len = ext->key_len; 719 params.cipher = cipher; 720 721 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { 722 params.seq = ext->rx_seq; 723 params.seq_len = 6; 724 } 725 726 return cfg80211_set_encryption( 727 rdev, dev, addr, remove, 728 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, 729 idx, ¶ms); 730 } 731 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext); 732 733 int cfg80211_wext_giwencode(struct net_device *dev, 734 struct iw_request_info *info, 735 struct iw_point *erq, char *keybuf) 736 { 737 struct wireless_dev *wdev = dev->ieee80211_ptr; 738 int idx; 739 740 if (wdev->iftype != NL80211_IFTYPE_STATION && 741 wdev->iftype != NL80211_IFTYPE_ADHOC) 742 return -EOPNOTSUPP; 743 744 idx = erq->flags & IW_ENCODE_INDEX; 745 if (idx == 0) { 746 idx = wdev->wext.default_key; 747 if (idx < 0) 748 idx = 0; 749 } else if (idx < 1 || idx > 4) 750 return -EINVAL; 751 else 752 idx--; 753 754 erq->flags = idx + 1; 755 756 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) { 757 erq->flags |= IW_ENCODE_DISABLED; 758 erq->length = 0; 759 return 0; 760 } 761 762 erq->length = min_t(size_t, erq->length, 763 wdev->wext.keys->params[idx].key_len); 764 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length); 765 erq->flags |= IW_ENCODE_ENABLED; 766 767 return 0; 768 } 769 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode); 770 771 int cfg80211_wext_siwfreq(struct net_device *dev, 772 struct iw_request_info *info, 773 struct iw_freq *wextfreq, char *extra) 774 { 775 struct wireless_dev *wdev = dev->ieee80211_ptr; 776 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 777 int freq, err; 778 779 switch (wdev->iftype) { 780 case NL80211_IFTYPE_STATION: 781 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); 782 case NL80211_IFTYPE_ADHOC: 783 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); 784 default: 785 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); 786 if (freq < 0) 787 return freq; 788 if (freq == 0) 789 return -EINVAL; 790 mutex_lock(&rdev->devlist_mtx); 791 err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT); 792 mutex_unlock(&rdev->devlist_mtx); 793 return err; 794 } 795 } 796 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq); 797 798 int cfg80211_wext_giwfreq(struct net_device *dev, 799 struct iw_request_info *info, 800 struct iw_freq *freq, char *extra) 801 { 802 struct wireless_dev *wdev = dev->ieee80211_ptr; 803 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 804 805 switch (wdev->iftype) { 806 case NL80211_IFTYPE_STATION: 807 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); 808 case NL80211_IFTYPE_ADHOC: 809 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); 810 default: 811 if (!rdev->channel) 812 return -EINVAL; 813 freq->m = rdev->channel->center_freq; 814 freq->e = 6; 815 return 0; 816 } 817 } 818 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq); 819 820 int cfg80211_wext_siwtxpower(struct net_device *dev, 821 struct iw_request_info *info, 822 union iwreq_data *data, char *extra) 823 { 824 struct wireless_dev *wdev = dev->ieee80211_ptr; 825 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 826 enum tx_power_setting type; 827 int dbm = 0; 828 829 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) 830 return -EINVAL; 831 if (data->txpower.flags & IW_TXPOW_RANGE) 832 return -EINVAL; 833 834 if (!rdev->ops->set_tx_power) 835 return -EOPNOTSUPP; 836 837 /* only change when not disabling */ 838 if (!data->txpower.disabled) { 839 rfkill_set_sw_state(rdev->rfkill, false); 840 841 if (data->txpower.fixed) { 842 /* 843 * wext doesn't support negative values, see 844 * below where it's for automatic 845 */ 846 if (data->txpower.value < 0) 847 return -EINVAL; 848 dbm = data->txpower.value; 849 type = TX_POWER_FIXED; 850 /* TODO: do regulatory check! */ 851 } else { 852 /* 853 * Automatic power level setting, max being the value 854 * passed in from userland. 855 */ 856 if (data->txpower.value < 0) { 857 type = TX_POWER_AUTOMATIC; 858 } else { 859 dbm = data->txpower.value; 860 type = TX_POWER_LIMITED; 861 } 862 } 863 } else { 864 rfkill_set_sw_state(rdev->rfkill, true); 865 schedule_work(&rdev->rfkill_sync); 866 return 0; 867 } 868 869 return rdev->ops->set_tx_power(wdev->wiphy, type, dbm); 870 } 871 EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower); 872 873 int cfg80211_wext_giwtxpower(struct net_device *dev, 874 struct iw_request_info *info, 875 union iwreq_data *data, char *extra) 876 { 877 struct wireless_dev *wdev = dev->ieee80211_ptr; 878 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 879 int err, val; 880 881 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) 882 return -EINVAL; 883 if (data->txpower.flags & IW_TXPOW_RANGE) 884 return -EINVAL; 885 886 if (!rdev->ops->get_tx_power) 887 return -EOPNOTSUPP; 888 889 err = rdev->ops->get_tx_power(wdev->wiphy, &val); 890 if (err) 891 return err; 892 893 /* well... oh well */ 894 data->txpower.fixed = 1; 895 data->txpower.disabled = rfkill_blocked(rdev->rfkill); 896 data->txpower.value = val; 897 data->txpower.flags = IW_TXPOW_DBM; 898 899 return 0; 900 } 901 EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower); 902 903 static int cfg80211_set_auth_alg(struct wireless_dev *wdev, 904 s32 auth_alg) 905 { 906 int nr_alg = 0; 907 908 if (!auth_alg) 909 return -EINVAL; 910 911 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM | 912 IW_AUTH_ALG_SHARED_KEY | 913 IW_AUTH_ALG_LEAP)) 914 return -EINVAL; 915 916 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) { 917 nr_alg++; 918 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 919 } 920 921 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) { 922 nr_alg++; 923 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY; 924 } 925 926 if (auth_alg & IW_AUTH_ALG_LEAP) { 927 nr_alg++; 928 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP; 929 } 930 931 if (nr_alg > 1) 932 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; 933 934 return 0; 935 } 936 937 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) 938 { 939 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | 940 IW_AUTH_WPA_VERSION_WPA2| 941 IW_AUTH_WPA_VERSION_DISABLED)) 942 return -EINVAL; 943 944 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) && 945 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA| 946 IW_AUTH_WPA_VERSION_WPA2))) 947 return -EINVAL; 948 949 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) 950 wdev->wext.connect.crypto.wpa_versions &= 951 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2); 952 953 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA) 954 wdev->wext.connect.crypto.wpa_versions |= 955 NL80211_WPA_VERSION_1; 956 957 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2) 958 wdev->wext.connect.crypto.wpa_versions |= 959 NL80211_WPA_VERSION_2; 960 961 return 0; 962 } 963 964 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) 965 { 966 if (cipher & IW_AUTH_CIPHER_WEP40) 967 wdev->wext.connect.crypto.cipher_group = 968 WLAN_CIPHER_SUITE_WEP40; 969 else if (cipher & IW_AUTH_CIPHER_WEP104) 970 wdev->wext.connect.crypto.cipher_group = 971 WLAN_CIPHER_SUITE_WEP104; 972 else if (cipher & IW_AUTH_CIPHER_TKIP) 973 wdev->wext.connect.crypto.cipher_group = 974 WLAN_CIPHER_SUITE_TKIP; 975 else if (cipher & IW_AUTH_CIPHER_CCMP) 976 wdev->wext.connect.crypto.cipher_group = 977 WLAN_CIPHER_SUITE_CCMP; 978 else if (cipher & IW_AUTH_CIPHER_AES_CMAC) 979 wdev->wext.connect.crypto.cipher_group = 980 WLAN_CIPHER_SUITE_AES_CMAC; 981 else if (cipher & IW_AUTH_CIPHER_NONE) 982 wdev->wext.connect.crypto.cipher_group = 0; 983 else 984 return -EINVAL; 985 986 return 0; 987 } 988 989 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher) 990 { 991 int nr_ciphers = 0; 992 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise; 993 994 if (cipher & IW_AUTH_CIPHER_WEP40) { 995 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40; 996 nr_ciphers++; 997 } 998 999 if (cipher & IW_AUTH_CIPHER_WEP104) { 1000 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104; 1001 nr_ciphers++; 1002 } 1003 1004 if (cipher & IW_AUTH_CIPHER_TKIP) { 1005 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP; 1006 nr_ciphers++; 1007 } 1008 1009 if (cipher & IW_AUTH_CIPHER_CCMP) { 1010 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP; 1011 nr_ciphers++; 1012 } 1013 1014 if (cipher & IW_AUTH_CIPHER_AES_CMAC) { 1015 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC; 1016 nr_ciphers++; 1017 } 1018 1019 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5); 1020 1021 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers; 1022 1023 return 0; 1024 } 1025 1026 1027 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt) 1028 { 1029 int nr_akm_suites = 0; 1030 1031 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X | 1032 IW_AUTH_KEY_MGMT_PSK)) 1033 return -EINVAL; 1034 1035 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) { 1036 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = 1037 WLAN_AKM_SUITE_8021X; 1038 nr_akm_suites++; 1039 } 1040 1041 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) { 1042 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = 1043 WLAN_AKM_SUITE_PSK; 1044 nr_akm_suites++; 1045 } 1046 1047 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites; 1048 1049 return 0; 1050 } 1051 1052 int cfg80211_wext_siwauth(struct net_device *dev, 1053 struct iw_request_info *info, 1054 struct iw_param *data, char *extra) 1055 { 1056 struct wireless_dev *wdev = dev->ieee80211_ptr; 1057 1058 if (wdev->iftype != NL80211_IFTYPE_STATION) 1059 return -EOPNOTSUPP; 1060 1061 switch (data->flags & IW_AUTH_INDEX) { 1062 case IW_AUTH_PRIVACY_INVOKED: 1063 wdev->wext.connect.privacy = data->value; 1064 return 0; 1065 case IW_AUTH_WPA_VERSION: 1066 return cfg80211_set_wpa_version(wdev, data->value); 1067 case IW_AUTH_CIPHER_GROUP: 1068 return cfg80211_set_cipher_group(wdev, data->value); 1069 case IW_AUTH_KEY_MGMT: 1070 return cfg80211_set_key_mgt(wdev, data->value); 1071 case IW_AUTH_CIPHER_PAIRWISE: 1072 return cfg80211_set_cipher_pairwise(wdev, data->value); 1073 case IW_AUTH_80211_AUTH_ALG: 1074 return cfg80211_set_auth_alg(wdev, data->value); 1075 case IW_AUTH_WPA_ENABLED: 1076 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 1077 case IW_AUTH_DROP_UNENCRYPTED: 1078 case IW_AUTH_MFP: 1079 return 0; 1080 default: 1081 return -EOPNOTSUPP; 1082 } 1083 } 1084 EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth); 1085 1086 int cfg80211_wext_giwauth(struct net_device *dev, 1087 struct iw_request_info *info, 1088 struct iw_param *data, char *extra) 1089 { 1090 /* XXX: what do we need? */ 1091 1092 return -EOPNOTSUPP; 1093 } 1094 EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth); 1095 1096 int cfg80211_wext_siwpower(struct net_device *dev, 1097 struct iw_request_info *info, 1098 struct iw_param *wrq, char *extra) 1099 { 1100 struct wireless_dev *wdev = dev->ieee80211_ptr; 1101 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 1102 bool ps = wdev->wext.ps; 1103 int timeout = wdev->wext.ps_timeout; 1104 int err; 1105 1106 if (wdev->iftype != NL80211_IFTYPE_STATION) 1107 return -EINVAL; 1108 1109 if (!rdev->ops->set_power_mgmt) 1110 return -EOPNOTSUPP; 1111 1112 if (wrq->disabled) { 1113 ps = false; 1114 } else { 1115 switch (wrq->flags & IW_POWER_MODE) { 1116 case IW_POWER_ON: /* If not specified */ 1117 case IW_POWER_MODE: /* If set all mask */ 1118 case IW_POWER_ALL_R: /* If explicitely state all */ 1119 ps = true; 1120 break; 1121 default: /* Otherwise we ignore */ 1122 return -EINVAL; 1123 } 1124 1125 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT)) 1126 return -EINVAL; 1127 1128 if (wrq->flags & IW_POWER_TIMEOUT) 1129 timeout = wrq->value / 1000; 1130 } 1131 1132 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout); 1133 if (err) 1134 return err; 1135 1136 wdev->wext.ps = ps; 1137 wdev->wext.ps_timeout = timeout; 1138 1139 return 0; 1140 1141 } 1142 EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower); 1143 1144 int cfg80211_wext_giwpower(struct net_device *dev, 1145 struct iw_request_info *info, 1146 struct iw_param *wrq, char *extra) 1147 { 1148 struct wireless_dev *wdev = dev->ieee80211_ptr; 1149 1150 wrq->disabled = !wdev->wext.ps; 1151 1152 return 0; 1153 } 1154 EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower); 1155 1156 static int cfg80211_wds_wext_siwap(struct net_device *dev, 1157 struct iw_request_info *info, 1158 struct sockaddr *addr, char *extra) 1159 { 1160 struct wireless_dev *wdev = dev->ieee80211_ptr; 1161 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 1162 int err; 1163 1164 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) 1165 return -EINVAL; 1166 1167 if (addr->sa_family != ARPHRD_ETHER) 1168 return -EINVAL; 1169 1170 if (netif_running(dev)) 1171 return -EBUSY; 1172 1173 if (!rdev->ops->set_wds_peer) 1174 return -EOPNOTSUPP; 1175 1176 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data); 1177 if (err) 1178 return err; 1179 1180 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN); 1181 1182 return 0; 1183 } 1184 1185 static int cfg80211_wds_wext_giwap(struct net_device *dev, 1186 struct iw_request_info *info, 1187 struct sockaddr *addr, char *extra) 1188 { 1189 struct wireless_dev *wdev = dev->ieee80211_ptr; 1190 1191 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) 1192 return -EINVAL; 1193 1194 addr->sa_family = ARPHRD_ETHER; 1195 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN); 1196 1197 return 0; 1198 } 1199 1200 int cfg80211_wext_siwrate(struct net_device *dev, 1201 struct iw_request_info *info, 1202 struct iw_param *rate, char *extra) 1203 { 1204 struct wireless_dev *wdev = dev->ieee80211_ptr; 1205 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 1206 struct cfg80211_bitrate_mask mask; 1207 1208 if (!rdev->ops->set_bitrate_mask) 1209 return -EOPNOTSUPP; 1210 1211 mask.fixed = 0; 1212 mask.maxrate = 0; 1213 1214 if (rate->value < 0) { 1215 /* nothing */ 1216 } else if (rate->fixed) { 1217 mask.fixed = rate->value / 1000; /* kbps */ 1218 } else { 1219 mask.maxrate = rate->value / 1000; /* kbps */ 1220 } 1221 1222 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask); 1223 } 1224 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate); 1225 1226 int cfg80211_wext_giwrate(struct net_device *dev, 1227 struct iw_request_info *info, 1228 struct iw_param *rate, char *extra) 1229 { 1230 struct wireless_dev *wdev = dev->ieee80211_ptr; 1231 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 1232 /* we are under RTNL - globally locked - so can use a static struct */ 1233 static struct station_info sinfo; 1234 u8 addr[ETH_ALEN]; 1235 int err; 1236 1237 if (wdev->iftype != NL80211_IFTYPE_STATION) 1238 return -EOPNOTSUPP; 1239 1240 if (!rdev->ops->get_station) 1241 return -EOPNOTSUPP; 1242 1243 err = 0; 1244 wdev_lock(wdev); 1245 if (wdev->current_bss) 1246 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN); 1247 else 1248 err = -EOPNOTSUPP; 1249 wdev_unlock(wdev); 1250 if (err) 1251 return err; 1252 1253 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo); 1254 if (err) 1255 return err; 1256 1257 if (!(sinfo.filled & STATION_INFO_TX_BITRATE)) 1258 return -EOPNOTSUPP; 1259 1260 rate->value = 0; 1261 1262 if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS)) 1263 rate->value = 100000 * sinfo.txrate.legacy; 1264 1265 return 0; 1266 } 1267 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate); 1268 1269 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ 1270 struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) 1271 { 1272 struct wireless_dev *wdev = dev->ieee80211_ptr; 1273 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 1274 /* we are under RTNL - globally locked - so can use static structs */ 1275 static struct iw_statistics wstats; 1276 static struct station_info sinfo; 1277 u8 bssid[ETH_ALEN]; 1278 1279 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) 1280 return NULL; 1281 1282 if (!rdev->ops->get_station) 1283 return NULL; 1284 1285 /* Grab BSSID of current BSS, if any */ 1286 wdev_lock(wdev); 1287 if (!wdev->current_bss) { 1288 wdev_unlock(wdev); 1289 return NULL; 1290 } 1291 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); 1292 wdev_unlock(wdev); 1293 1294 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo)) 1295 return NULL; 1296 1297 memset(&wstats, 0, sizeof(wstats)); 1298 1299 switch (rdev->wiphy.signal_type) { 1300 case CFG80211_SIGNAL_TYPE_MBM: 1301 if (sinfo.filled & STATION_INFO_SIGNAL) { 1302 int sig = sinfo.signal; 1303 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; 1304 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; 1305 wstats.qual.updated |= IW_QUAL_DBM; 1306 wstats.qual.level = sig; 1307 if (sig < -110) 1308 sig = -110; 1309 else if (sig > -40) 1310 sig = -40; 1311 wstats.qual.qual = sig + 110; 1312 break; 1313 } 1314 case CFG80211_SIGNAL_TYPE_UNSPEC: 1315 if (sinfo.filled & STATION_INFO_SIGNAL) { 1316 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; 1317 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; 1318 wstats.qual.level = sinfo.signal; 1319 wstats.qual.qual = sinfo.signal; 1320 break; 1321 } 1322 default: 1323 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; 1324 wstats.qual.updated |= IW_QUAL_QUAL_INVALID; 1325 } 1326 1327 wstats.qual.updated |= IW_QUAL_NOISE_INVALID; 1328 1329 return &wstats; 1330 } 1331 EXPORT_SYMBOL_GPL(cfg80211_wireless_stats); 1332 1333 int cfg80211_wext_siwap(struct net_device *dev, 1334 struct iw_request_info *info, 1335 struct sockaddr *ap_addr, char *extra) 1336 { 1337 struct wireless_dev *wdev = dev->ieee80211_ptr; 1338 1339 switch (wdev->iftype) { 1340 case NL80211_IFTYPE_ADHOC: 1341 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); 1342 case NL80211_IFTYPE_STATION: 1343 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); 1344 case NL80211_IFTYPE_WDS: 1345 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra); 1346 default: 1347 return -EOPNOTSUPP; 1348 } 1349 } 1350 EXPORT_SYMBOL_GPL(cfg80211_wext_siwap); 1351 1352 int cfg80211_wext_giwap(struct net_device *dev, 1353 struct iw_request_info *info, 1354 struct sockaddr *ap_addr, char *extra) 1355 { 1356 struct wireless_dev *wdev = dev->ieee80211_ptr; 1357 1358 switch (wdev->iftype) { 1359 case NL80211_IFTYPE_ADHOC: 1360 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); 1361 case NL80211_IFTYPE_STATION: 1362 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); 1363 case NL80211_IFTYPE_WDS: 1364 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra); 1365 default: 1366 return -EOPNOTSUPP; 1367 } 1368 } 1369 EXPORT_SYMBOL_GPL(cfg80211_wext_giwap); 1370 1371 int cfg80211_wext_siwessid(struct net_device *dev, 1372 struct iw_request_info *info, 1373 struct iw_point *data, char *ssid) 1374 { 1375 struct wireless_dev *wdev = dev->ieee80211_ptr; 1376 1377 switch (wdev->iftype) { 1378 case NL80211_IFTYPE_ADHOC: 1379 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid); 1380 case NL80211_IFTYPE_STATION: 1381 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid); 1382 default: 1383 return -EOPNOTSUPP; 1384 } 1385 } 1386 EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid); 1387 1388 int cfg80211_wext_giwessid(struct net_device *dev, 1389 struct iw_request_info *info, 1390 struct iw_point *data, char *ssid) 1391 { 1392 struct wireless_dev *wdev = dev->ieee80211_ptr; 1393 1394 switch (wdev->iftype) { 1395 case NL80211_IFTYPE_ADHOC: 1396 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid); 1397 case NL80211_IFTYPE_STATION: 1398 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid); 1399 default: 1400 return -EOPNOTSUPP; 1401 } 1402 } 1403 EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid); 1404 1405 int cfg80211_wext_siwpmksa(struct net_device *dev, 1406 struct iw_request_info *info, 1407 struct iw_point *data, char *extra) 1408 { 1409 struct wireless_dev *wdev = dev->ieee80211_ptr; 1410 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); 1411 struct cfg80211_pmksa cfg_pmksa; 1412 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; 1413 1414 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); 1415 1416 if (wdev->iftype != NL80211_IFTYPE_STATION) 1417 return -EINVAL; 1418 1419 cfg_pmksa.bssid = pmksa->bssid.sa_data; 1420 cfg_pmksa.pmkid = pmksa->pmkid; 1421 1422 switch (pmksa->cmd) { 1423 case IW_PMKSA_ADD: 1424 if (!rdev->ops->set_pmksa) 1425 return -EOPNOTSUPP; 1426 1427 return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa); 1428 1429 case IW_PMKSA_REMOVE: 1430 if (!rdev->ops->del_pmksa) 1431 return -EOPNOTSUPP; 1432 1433 return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa); 1434 1435 case IW_PMKSA_FLUSH: 1436 if (!rdev->ops->flush_pmksa) 1437 return -EOPNOTSUPP; 1438 1439 return rdev->ops->flush_pmksa(&rdev->wiphy, dev); 1440 1441 default: 1442 return -EOPNOTSUPP; 1443 } 1444 } 1445 1446 static const iw_handler cfg80211_handlers[] = { 1447 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname, 1448 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq, 1449 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq, 1450 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode, 1451 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode, 1452 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange, 1453 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap, 1454 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap, 1455 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme, 1456 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan, 1457 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan, 1458 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid, 1459 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid, 1460 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate, 1461 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate, 1462 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts, 1463 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts, 1464 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag, 1465 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag, 1466 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower, 1467 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower, 1468 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry, 1469 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry, 1470 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode, 1471 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode, 1472 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower, 1473 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower, 1474 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie, 1475 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth, 1476 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth, 1477 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext, 1478 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa, 1479 }; 1480 1481 const struct iw_handler_def cfg80211_wext_handler = { 1482 .num_standard = ARRAY_SIZE(cfg80211_handlers), 1483 .standard = cfg80211_handlers, 1484 .get_wireless_stats = cfg80211_wireless_stats, 1485 }; 1486