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/export.h> 12 #include <linux/wireless.h> 13 #include <linux/nl80211.h> 14 #include <linux/if_arp.h> 15 #include <linux/etherdevice.h> 16 #include <linux/slab.h> 17 #include <net/iw_handler.h> 18 #include <net/cfg80211.h> 19 #include <net/cfg80211-wext.h> 20 #include "wext-compat.h" 21 #include "core.h" 22 #include "rdev-ops.h" 23 24 int cfg80211_wext_giwname(struct net_device *dev, 25 struct iw_request_info *info, 26 char *name, char *extra) 27 { 28 strcpy(name, "IEEE 802.11"); 29 return 0; 30 } 31 EXPORT_WEXT_HANDLER(cfg80211_wext_giwname); 32 33 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, 34 u32 *mode, char *extra) 35 { 36 struct wireless_dev *wdev = dev->ieee80211_ptr; 37 struct cfg80211_registered_device *rdev; 38 struct vif_params vifparams; 39 enum nl80211_iftype type; 40 41 rdev = wiphy_to_rdev(wdev->wiphy); 42 43 switch (*mode) { 44 case IW_MODE_INFRA: 45 type = NL80211_IFTYPE_STATION; 46 break; 47 case IW_MODE_ADHOC: 48 type = NL80211_IFTYPE_ADHOC; 49 break; 50 case IW_MODE_REPEAT: 51 type = NL80211_IFTYPE_WDS; 52 break; 53 case IW_MODE_MONITOR: 54 type = NL80211_IFTYPE_MONITOR; 55 break; 56 default: 57 return -EINVAL; 58 } 59 60 if (type == wdev->iftype) 61 return 0; 62 63 memset(&vifparams, 0, sizeof(vifparams)); 64 65 return cfg80211_change_iface(rdev, dev, type, NULL, &vifparams); 66 } 67 EXPORT_WEXT_HANDLER(cfg80211_wext_siwmode); 68 69 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, 70 u32 *mode, char *extra) 71 { 72 struct wireless_dev *wdev = dev->ieee80211_ptr; 73 74 if (!wdev) 75 return -EOPNOTSUPP; 76 77 switch (wdev->iftype) { 78 case NL80211_IFTYPE_AP: 79 *mode = IW_MODE_MASTER; 80 break; 81 case NL80211_IFTYPE_STATION: 82 *mode = IW_MODE_INFRA; 83 break; 84 case NL80211_IFTYPE_ADHOC: 85 *mode = IW_MODE_ADHOC; 86 break; 87 case NL80211_IFTYPE_MONITOR: 88 *mode = IW_MODE_MONITOR; 89 break; 90 case NL80211_IFTYPE_WDS: 91 *mode = IW_MODE_REPEAT; 92 break; 93 case NL80211_IFTYPE_AP_VLAN: 94 *mode = IW_MODE_SECOND; /* FIXME */ 95 break; 96 default: 97 *mode = IW_MODE_AUTO; 98 break; 99 } 100 return 0; 101 } 102 EXPORT_WEXT_HANDLER(cfg80211_wext_giwmode); 103 104 105 int cfg80211_wext_giwrange(struct net_device *dev, 106 struct iw_request_info *info, 107 struct iw_point *data, char *extra) 108 { 109 struct wireless_dev *wdev = dev->ieee80211_ptr; 110 struct iw_range *range = (struct iw_range *) extra; 111 enum nl80211_band band; 112 int i, c = 0; 113 114 if (!wdev) 115 return -EOPNOTSUPP; 116 117 data->length = sizeof(struct iw_range); 118 memset(range, 0, sizeof(struct iw_range)); 119 120 range->we_version_compiled = WIRELESS_EXT; 121 range->we_version_source = 21; 122 range->retry_capa = IW_RETRY_LIMIT; 123 range->retry_flags = IW_RETRY_LIMIT; 124 range->min_retry = 0; 125 range->max_retry = 255; 126 range->min_rts = 0; 127 range->max_rts = 2347; 128 range->min_frag = 256; 129 range->max_frag = 2346; 130 131 range->max_encoding_tokens = 4; 132 133 range->max_qual.updated = IW_QUAL_NOISE_INVALID; 134 135 switch (wdev->wiphy->signal_type) { 136 case CFG80211_SIGNAL_TYPE_NONE: 137 break; 138 case CFG80211_SIGNAL_TYPE_MBM: 139 range->max_qual.level = (u8)-110; 140 range->max_qual.qual = 70; 141 range->avg_qual.qual = 35; 142 range->max_qual.updated |= IW_QUAL_DBM; 143 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; 144 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; 145 break; 146 case CFG80211_SIGNAL_TYPE_UNSPEC: 147 range->max_qual.level = 100; 148 range->max_qual.qual = 100; 149 range->avg_qual.qual = 50; 150 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; 151 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; 152 break; 153 } 154 155 range->avg_qual.level = range->max_qual.level / 2; 156 range->avg_qual.noise = range->max_qual.noise / 2; 157 range->avg_qual.updated = range->max_qual.updated; 158 159 for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) { 160 switch (wdev->wiphy->cipher_suites[i]) { 161 case WLAN_CIPHER_SUITE_TKIP: 162 range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP | 163 IW_ENC_CAPA_WPA); 164 break; 165 166 case WLAN_CIPHER_SUITE_CCMP: 167 range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP | 168 IW_ENC_CAPA_WPA2); 169 break; 170 171 case WLAN_CIPHER_SUITE_WEP40: 172 range->encoding_size[range->num_encoding_sizes++] = 173 WLAN_KEY_LEN_WEP40; 174 break; 175 176 case WLAN_CIPHER_SUITE_WEP104: 177 range->encoding_size[range->num_encoding_sizes++] = 178 WLAN_KEY_LEN_WEP104; 179 break; 180 } 181 } 182 183 for (band = 0; band < NUM_NL80211_BANDS; band ++) { 184 struct ieee80211_supported_band *sband; 185 186 sband = wdev->wiphy->bands[band]; 187 188 if (!sband) 189 continue; 190 191 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { 192 struct ieee80211_channel *chan = &sband->channels[i]; 193 194 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { 195 range->freq[c].i = 196 ieee80211_frequency_to_channel( 197 chan->center_freq); 198 range->freq[c].m = chan->center_freq; 199 range->freq[c].e = 6; 200 c++; 201 } 202 } 203 } 204 range->num_channels = c; 205 range->num_frequency = c; 206 207 IW_EVENT_CAPA_SET_KERNEL(range->event_capa); 208 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); 209 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); 210 211 if (wdev->wiphy->max_scan_ssids > 0) 212 range->scan_capa |= IW_SCAN_CAPA_ESSID; 213 214 return 0; 215 } 216 EXPORT_WEXT_HANDLER(cfg80211_wext_giwrange); 217 218 219 /** 220 * cfg80211_wext_freq - get wext frequency for non-"auto" 221 * @dev: the net device 222 * @freq: the wext freq encoding 223 * 224 * Returns a frequency, or a negative error code, or 0 for auto. 225 */ 226 int cfg80211_wext_freq(struct iw_freq *freq) 227 { 228 /* 229 * Parse frequency - return 0 for auto and 230 * -EINVAL for impossible things. 231 */ 232 if (freq->e == 0) { 233 enum nl80211_band band = NL80211_BAND_2GHZ; 234 if (freq->m < 0) 235 return 0; 236 if (freq->m > 14) 237 band = NL80211_BAND_5GHZ; 238 return ieee80211_channel_to_frequency(freq->m, band); 239 } else { 240 int i, div = 1000000; 241 for (i = 0; i < freq->e; i++) 242 div /= 10; 243 if (div <= 0) 244 return -EINVAL; 245 return freq->m / div; 246 } 247 } 248 249 int cfg80211_wext_siwrts(struct net_device *dev, 250 struct iw_request_info *info, 251 struct iw_param *rts, char *extra) 252 { 253 struct wireless_dev *wdev = dev->ieee80211_ptr; 254 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 255 u32 orts = wdev->wiphy->rts_threshold; 256 int err; 257 258 if (rts->disabled || !rts->fixed) 259 wdev->wiphy->rts_threshold = (u32) -1; 260 else if (rts->value < 0) 261 return -EINVAL; 262 else 263 wdev->wiphy->rts_threshold = rts->value; 264 265 err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD); 266 if (err) 267 wdev->wiphy->rts_threshold = orts; 268 269 return err; 270 } 271 EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts); 272 273 int cfg80211_wext_giwrts(struct net_device *dev, 274 struct iw_request_info *info, 275 struct iw_param *rts, char *extra) 276 { 277 struct wireless_dev *wdev = dev->ieee80211_ptr; 278 279 rts->value = wdev->wiphy->rts_threshold; 280 rts->disabled = rts->value == (u32) -1; 281 rts->fixed = 1; 282 283 return 0; 284 } 285 EXPORT_WEXT_HANDLER(cfg80211_wext_giwrts); 286 287 int cfg80211_wext_siwfrag(struct net_device *dev, 288 struct iw_request_info *info, 289 struct iw_param *frag, char *extra) 290 { 291 struct wireless_dev *wdev = dev->ieee80211_ptr; 292 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 293 u32 ofrag = wdev->wiphy->frag_threshold; 294 int err; 295 296 if (frag->disabled || !frag->fixed) 297 wdev->wiphy->frag_threshold = (u32) -1; 298 else if (frag->value < 256) 299 return -EINVAL; 300 else { 301 /* Fragment length must be even, so strip LSB. */ 302 wdev->wiphy->frag_threshold = frag->value & ~0x1; 303 } 304 305 err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_FRAG_THRESHOLD); 306 if (err) 307 wdev->wiphy->frag_threshold = ofrag; 308 309 return err; 310 } 311 EXPORT_WEXT_HANDLER(cfg80211_wext_siwfrag); 312 313 int cfg80211_wext_giwfrag(struct net_device *dev, 314 struct iw_request_info *info, 315 struct iw_param *frag, char *extra) 316 { 317 struct wireless_dev *wdev = dev->ieee80211_ptr; 318 319 frag->value = wdev->wiphy->frag_threshold; 320 frag->disabled = frag->value == (u32) -1; 321 frag->fixed = 1; 322 323 return 0; 324 } 325 EXPORT_WEXT_HANDLER(cfg80211_wext_giwfrag); 326 327 static int cfg80211_wext_siwretry(struct net_device *dev, 328 struct iw_request_info *info, 329 struct iw_param *retry, char *extra) 330 { 331 struct wireless_dev *wdev = dev->ieee80211_ptr; 332 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 333 u32 changed = 0; 334 u8 olong = wdev->wiphy->retry_long; 335 u8 oshort = wdev->wiphy->retry_short; 336 int err; 337 338 if (retry->disabled || retry->value < 1 || retry->value > 255 || 339 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) 340 return -EINVAL; 341 342 if (retry->flags & IW_RETRY_LONG) { 343 wdev->wiphy->retry_long = retry->value; 344 changed |= WIPHY_PARAM_RETRY_LONG; 345 } else if (retry->flags & IW_RETRY_SHORT) { 346 wdev->wiphy->retry_short = retry->value; 347 changed |= WIPHY_PARAM_RETRY_SHORT; 348 } else { 349 wdev->wiphy->retry_short = retry->value; 350 wdev->wiphy->retry_long = retry->value; 351 changed |= WIPHY_PARAM_RETRY_LONG; 352 changed |= WIPHY_PARAM_RETRY_SHORT; 353 } 354 355 if (!changed) 356 return 0; 357 358 err = rdev_set_wiphy_params(rdev, changed); 359 if (err) { 360 wdev->wiphy->retry_short = oshort; 361 wdev->wiphy->retry_long = olong; 362 } 363 364 return err; 365 } 366 367 int cfg80211_wext_giwretry(struct net_device *dev, 368 struct iw_request_info *info, 369 struct iw_param *retry, char *extra) 370 { 371 struct wireless_dev *wdev = dev->ieee80211_ptr; 372 373 retry->disabled = 0; 374 375 if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) { 376 /* 377 * First return short value, iwconfig will ask long value 378 * later if needed 379 */ 380 retry->flags |= IW_RETRY_LIMIT | IW_RETRY_SHORT; 381 retry->value = wdev->wiphy->retry_short; 382 if (wdev->wiphy->retry_long == wdev->wiphy->retry_short) 383 retry->flags |= IW_RETRY_LONG; 384 385 return 0; 386 } 387 388 if (retry->flags & IW_RETRY_LONG) { 389 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 390 retry->value = wdev->wiphy->retry_long; 391 } 392 393 return 0; 394 } 395 EXPORT_WEXT_HANDLER(cfg80211_wext_giwretry); 396 397 static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, 398 struct net_device *dev, bool pairwise, 399 const u8 *addr, bool remove, bool tx_key, 400 int idx, struct key_params *params) 401 { 402 struct wireless_dev *wdev = dev->ieee80211_ptr; 403 int err, i; 404 bool rejoin = false; 405 406 if (pairwise && !addr) 407 return -EINVAL; 408 409 if (!wdev->wext.keys) { 410 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys), 411 GFP_KERNEL); 412 if (!wdev->wext.keys) 413 return -ENOMEM; 414 for (i = 0; i < 6; i++) 415 wdev->wext.keys->params[i].key = 416 wdev->wext.keys->data[i]; 417 } 418 419 if (wdev->iftype != NL80211_IFTYPE_ADHOC && 420 wdev->iftype != NL80211_IFTYPE_STATION) 421 return -EOPNOTSUPP; 422 423 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { 424 if (!wdev->current_bss) 425 return -ENOLINK; 426 427 if (!rdev->ops->set_default_mgmt_key) 428 return -EOPNOTSUPP; 429 430 if (idx < 4 || idx > 5) 431 return -EINVAL; 432 } else if (idx < 0 || idx > 3) 433 return -EINVAL; 434 435 if (remove) { 436 err = 0; 437 if (wdev->current_bss) { 438 /* 439 * If removing the current TX key, we will need to 440 * join a new IBSS without the privacy bit clear. 441 */ 442 if (idx == wdev->wext.default_key && 443 wdev->iftype == NL80211_IFTYPE_ADHOC) { 444 __cfg80211_leave_ibss(rdev, wdev->netdev, true); 445 rejoin = true; 446 } 447 448 if (!pairwise && addr && 449 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) 450 err = -ENOENT; 451 else 452 err = rdev_del_key(rdev, dev, idx, pairwise, 453 addr); 454 } 455 wdev->wext.connect.privacy = false; 456 /* 457 * Applications using wireless extensions expect to be 458 * able to delete keys that don't exist, so allow that. 459 */ 460 if (err == -ENOENT) 461 err = 0; 462 if (!err) { 463 if (!addr) { 464 memset(wdev->wext.keys->data[idx], 0, 465 sizeof(wdev->wext.keys->data[idx])); 466 wdev->wext.keys->params[idx].key_len = 0; 467 wdev->wext.keys->params[idx].cipher = 0; 468 } 469 if (idx == wdev->wext.default_key) 470 wdev->wext.default_key = -1; 471 else if (idx == wdev->wext.default_mgmt_key) 472 wdev->wext.default_mgmt_key = -1; 473 } 474 475 if (!err && rejoin) 476 err = cfg80211_ibss_wext_join(rdev, wdev); 477 478 return err; 479 } 480 481 if (addr) 482 tx_key = false; 483 484 if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr)) 485 return -EINVAL; 486 487 err = 0; 488 if (wdev->current_bss) 489 err = rdev_add_key(rdev, dev, idx, pairwise, addr, params); 490 if (err) 491 return err; 492 493 if (!addr) { 494 wdev->wext.keys->params[idx] = *params; 495 memcpy(wdev->wext.keys->data[idx], 496 params->key, params->key_len); 497 wdev->wext.keys->params[idx].key = 498 wdev->wext.keys->data[idx]; 499 } 500 501 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 || 502 params->cipher == WLAN_CIPHER_SUITE_WEP104) && 503 (tx_key || (!addr && wdev->wext.default_key == -1))) { 504 if (wdev->current_bss) { 505 /* 506 * If we are getting a new TX key from not having 507 * had one before we need to join a new IBSS with 508 * the privacy bit set. 509 */ 510 if (wdev->iftype == NL80211_IFTYPE_ADHOC && 511 wdev->wext.default_key == -1) { 512 __cfg80211_leave_ibss(rdev, wdev->netdev, true); 513 rejoin = true; 514 } 515 err = rdev_set_default_key(rdev, dev, idx, true, true); 516 } 517 if (!err) { 518 wdev->wext.default_key = idx; 519 if (rejoin) 520 err = cfg80211_ibss_wext_join(rdev, wdev); 521 } 522 return err; 523 } 524 525 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && 526 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { 527 if (wdev->current_bss) 528 err = rdev_set_default_mgmt_key(rdev, dev, idx); 529 if (!err) 530 wdev->wext.default_mgmt_key = idx; 531 return err; 532 } 533 534 return 0; 535 } 536 537 static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, 538 struct net_device *dev, bool pairwise, 539 const u8 *addr, bool remove, bool tx_key, 540 int idx, struct key_params *params) 541 { 542 int err; 543 544 wdev_lock(dev->ieee80211_ptr); 545 err = __cfg80211_set_encryption(rdev, dev, pairwise, addr, 546 remove, tx_key, idx, params); 547 wdev_unlock(dev->ieee80211_ptr); 548 549 return err; 550 } 551 552 static int cfg80211_wext_siwencode(struct net_device *dev, 553 struct iw_request_info *info, 554 struct iw_point *erq, char *keybuf) 555 { 556 struct wireless_dev *wdev = dev->ieee80211_ptr; 557 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 558 int idx, err; 559 bool remove = false; 560 struct key_params params; 561 562 if (wdev->iftype != NL80211_IFTYPE_STATION && 563 wdev->iftype != NL80211_IFTYPE_ADHOC) 564 return -EOPNOTSUPP; 565 566 /* no use -- only MFP (set_default_mgmt_key) is optional */ 567 if (!rdev->ops->del_key || 568 !rdev->ops->add_key || 569 !rdev->ops->set_default_key) 570 return -EOPNOTSUPP; 571 572 idx = erq->flags & IW_ENCODE_INDEX; 573 if (idx == 0) { 574 idx = wdev->wext.default_key; 575 if (idx < 0) 576 idx = 0; 577 } else if (idx < 1 || idx > 4) 578 return -EINVAL; 579 else 580 idx--; 581 582 if (erq->flags & IW_ENCODE_DISABLED) 583 remove = true; 584 else if (erq->length == 0) { 585 /* No key data - just set the default TX key index */ 586 err = 0; 587 wdev_lock(wdev); 588 if (wdev->current_bss) 589 err = rdev_set_default_key(rdev, dev, idx, true, 590 true); 591 if (!err) 592 wdev->wext.default_key = idx; 593 wdev_unlock(wdev); 594 return err; 595 } 596 597 memset(¶ms, 0, sizeof(params)); 598 params.key = keybuf; 599 params.key_len = erq->length; 600 if (erq->length == 5) 601 params.cipher = WLAN_CIPHER_SUITE_WEP40; 602 else if (erq->length == 13) 603 params.cipher = WLAN_CIPHER_SUITE_WEP104; 604 else if (!remove) 605 return -EINVAL; 606 607 return cfg80211_set_encryption(rdev, dev, false, NULL, remove, 608 wdev->wext.default_key == -1, 609 idx, ¶ms); 610 } 611 612 static int cfg80211_wext_siwencodeext(struct net_device *dev, 613 struct iw_request_info *info, 614 struct iw_point *erq, char *extra) 615 { 616 struct wireless_dev *wdev = dev->ieee80211_ptr; 617 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 618 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; 619 const u8 *addr; 620 int idx; 621 bool remove = false; 622 struct key_params params; 623 u32 cipher; 624 625 if (wdev->iftype != NL80211_IFTYPE_STATION && 626 wdev->iftype != NL80211_IFTYPE_ADHOC) 627 return -EOPNOTSUPP; 628 629 /* no use -- only MFP (set_default_mgmt_key) is optional */ 630 if (!rdev->ops->del_key || 631 !rdev->ops->add_key || 632 !rdev->ops->set_default_key) 633 return -EOPNOTSUPP; 634 635 switch (ext->alg) { 636 case IW_ENCODE_ALG_NONE: 637 remove = true; 638 cipher = 0; 639 break; 640 case IW_ENCODE_ALG_WEP: 641 if (ext->key_len == 5) 642 cipher = WLAN_CIPHER_SUITE_WEP40; 643 else if (ext->key_len == 13) 644 cipher = WLAN_CIPHER_SUITE_WEP104; 645 else 646 return -EINVAL; 647 break; 648 case IW_ENCODE_ALG_TKIP: 649 cipher = WLAN_CIPHER_SUITE_TKIP; 650 break; 651 case IW_ENCODE_ALG_CCMP: 652 cipher = WLAN_CIPHER_SUITE_CCMP; 653 break; 654 case IW_ENCODE_ALG_AES_CMAC: 655 cipher = WLAN_CIPHER_SUITE_AES_CMAC; 656 break; 657 default: 658 return -EOPNOTSUPP; 659 } 660 661 if (erq->flags & IW_ENCODE_DISABLED) 662 remove = true; 663 664 idx = erq->flags & IW_ENCODE_INDEX; 665 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) { 666 if (idx < 4 || idx > 5) { 667 idx = wdev->wext.default_mgmt_key; 668 if (idx < 0) 669 return -EINVAL; 670 } else 671 idx--; 672 } else { 673 if (idx < 1 || idx > 4) { 674 idx = wdev->wext.default_key; 675 if (idx < 0) 676 return -EINVAL; 677 } else 678 idx--; 679 } 680 681 addr = ext->addr.sa_data; 682 if (is_broadcast_ether_addr(addr)) 683 addr = NULL; 684 685 memset(¶ms, 0, sizeof(params)); 686 params.key = ext->key; 687 params.key_len = ext->key_len; 688 params.cipher = cipher; 689 690 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { 691 params.seq = ext->rx_seq; 692 params.seq_len = 6; 693 } 694 695 return cfg80211_set_encryption( 696 rdev, dev, 697 !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), 698 addr, remove, 699 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, 700 idx, ¶ms); 701 } 702 703 static int cfg80211_wext_giwencode(struct net_device *dev, 704 struct iw_request_info *info, 705 struct iw_point *erq, char *keybuf) 706 { 707 struct wireless_dev *wdev = dev->ieee80211_ptr; 708 int idx; 709 710 if (wdev->iftype != NL80211_IFTYPE_STATION && 711 wdev->iftype != NL80211_IFTYPE_ADHOC) 712 return -EOPNOTSUPP; 713 714 idx = erq->flags & IW_ENCODE_INDEX; 715 if (idx == 0) { 716 idx = wdev->wext.default_key; 717 if (idx < 0) 718 idx = 0; 719 } else if (idx < 1 || idx > 4) 720 return -EINVAL; 721 else 722 idx--; 723 724 erq->flags = idx + 1; 725 726 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) { 727 erq->flags |= IW_ENCODE_DISABLED; 728 erq->length = 0; 729 return 0; 730 } 731 732 erq->length = min_t(size_t, erq->length, 733 wdev->wext.keys->params[idx].key_len); 734 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length); 735 erq->flags |= IW_ENCODE_ENABLED; 736 737 return 0; 738 } 739 740 static int cfg80211_wext_siwfreq(struct net_device *dev, 741 struct iw_request_info *info, 742 struct iw_freq *wextfreq, char *extra) 743 { 744 struct wireless_dev *wdev = dev->ieee80211_ptr; 745 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 746 struct cfg80211_chan_def chandef = { 747 .width = NL80211_CHAN_WIDTH_20_NOHT, 748 }; 749 int freq; 750 751 switch (wdev->iftype) { 752 case NL80211_IFTYPE_STATION: 753 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); 754 case NL80211_IFTYPE_ADHOC: 755 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); 756 case NL80211_IFTYPE_MONITOR: 757 freq = cfg80211_wext_freq(wextfreq); 758 if (freq < 0) 759 return freq; 760 if (freq == 0) 761 return -EINVAL; 762 chandef.center_freq1 = freq; 763 chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); 764 if (!chandef.chan) 765 return -EINVAL; 766 return cfg80211_set_monitor_channel(rdev, &chandef); 767 case NL80211_IFTYPE_MESH_POINT: 768 freq = cfg80211_wext_freq(wextfreq); 769 if (freq < 0) 770 return freq; 771 if (freq == 0) 772 return -EINVAL; 773 chandef.center_freq1 = freq; 774 chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); 775 if (!chandef.chan) 776 return -EINVAL; 777 return cfg80211_set_mesh_channel(rdev, wdev, &chandef); 778 default: 779 return -EOPNOTSUPP; 780 } 781 } 782 783 static int cfg80211_wext_giwfreq(struct net_device *dev, 784 struct iw_request_info *info, 785 struct iw_freq *freq, char *extra) 786 { 787 struct wireless_dev *wdev = dev->ieee80211_ptr; 788 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 789 struct cfg80211_chan_def chandef; 790 int ret; 791 792 switch (wdev->iftype) { 793 case NL80211_IFTYPE_STATION: 794 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); 795 case NL80211_IFTYPE_ADHOC: 796 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); 797 case NL80211_IFTYPE_MONITOR: 798 if (!rdev->ops->get_channel) 799 return -EINVAL; 800 801 ret = rdev_get_channel(rdev, wdev, &chandef); 802 if (ret) 803 return ret; 804 freq->m = chandef.chan->center_freq; 805 freq->e = 6; 806 return 0; 807 default: 808 return -EINVAL; 809 } 810 } 811 812 static int cfg80211_wext_siwtxpower(struct net_device *dev, 813 struct iw_request_info *info, 814 union iwreq_data *data, char *extra) 815 { 816 struct wireless_dev *wdev = dev->ieee80211_ptr; 817 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 818 enum nl80211_tx_power_setting type; 819 int dbm = 0; 820 821 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) 822 return -EINVAL; 823 if (data->txpower.flags & IW_TXPOW_RANGE) 824 return -EINVAL; 825 826 if (!rdev->ops->set_tx_power) 827 return -EOPNOTSUPP; 828 829 /* only change when not disabling */ 830 if (!data->txpower.disabled) { 831 rfkill_set_sw_state(rdev->rfkill, false); 832 833 if (data->txpower.fixed) { 834 /* 835 * wext doesn't support negative values, see 836 * below where it's for automatic 837 */ 838 if (data->txpower.value < 0) 839 return -EINVAL; 840 dbm = data->txpower.value; 841 type = NL80211_TX_POWER_FIXED; 842 /* TODO: do regulatory check! */ 843 } else { 844 /* 845 * Automatic power level setting, max being the value 846 * passed in from userland. 847 */ 848 if (data->txpower.value < 0) { 849 type = NL80211_TX_POWER_AUTOMATIC; 850 } else { 851 dbm = data->txpower.value; 852 type = NL80211_TX_POWER_LIMITED; 853 } 854 } 855 } else { 856 rfkill_set_sw_state(rdev->rfkill, true); 857 schedule_work(&rdev->rfkill_sync); 858 return 0; 859 } 860 861 return rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm)); 862 } 863 864 static int cfg80211_wext_giwtxpower(struct net_device *dev, 865 struct iw_request_info *info, 866 union iwreq_data *data, char *extra) 867 { 868 struct wireless_dev *wdev = dev->ieee80211_ptr; 869 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 870 int err, val; 871 872 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) 873 return -EINVAL; 874 if (data->txpower.flags & IW_TXPOW_RANGE) 875 return -EINVAL; 876 877 if (!rdev->ops->get_tx_power) 878 return -EOPNOTSUPP; 879 880 err = rdev_get_tx_power(rdev, wdev, &val); 881 if (err) 882 return err; 883 884 /* well... oh well */ 885 data->txpower.fixed = 1; 886 data->txpower.disabled = rfkill_blocked(rdev->rfkill); 887 data->txpower.value = val; 888 data->txpower.flags = IW_TXPOW_DBM; 889 890 return 0; 891 } 892 893 static int cfg80211_set_auth_alg(struct wireless_dev *wdev, 894 s32 auth_alg) 895 { 896 int nr_alg = 0; 897 898 if (!auth_alg) 899 return -EINVAL; 900 901 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM | 902 IW_AUTH_ALG_SHARED_KEY | 903 IW_AUTH_ALG_LEAP)) 904 return -EINVAL; 905 906 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) { 907 nr_alg++; 908 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 909 } 910 911 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) { 912 nr_alg++; 913 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY; 914 } 915 916 if (auth_alg & IW_AUTH_ALG_LEAP) { 917 nr_alg++; 918 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP; 919 } 920 921 if (nr_alg > 1) 922 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; 923 924 return 0; 925 } 926 927 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) 928 { 929 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | 930 IW_AUTH_WPA_VERSION_WPA2| 931 IW_AUTH_WPA_VERSION_DISABLED)) 932 return -EINVAL; 933 934 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) && 935 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA| 936 IW_AUTH_WPA_VERSION_WPA2))) 937 return -EINVAL; 938 939 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) 940 wdev->wext.connect.crypto.wpa_versions &= 941 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2); 942 943 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA) 944 wdev->wext.connect.crypto.wpa_versions |= 945 NL80211_WPA_VERSION_1; 946 947 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2) 948 wdev->wext.connect.crypto.wpa_versions |= 949 NL80211_WPA_VERSION_2; 950 951 return 0; 952 } 953 954 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) 955 { 956 if (cipher & IW_AUTH_CIPHER_WEP40) 957 wdev->wext.connect.crypto.cipher_group = 958 WLAN_CIPHER_SUITE_WEP40; 959 else if (cipher & IW_AUTH_CIPHER_WEP104) 960 wdev->wext.connect.crypto.cipher_group = 961 WLAN_CIPHER_SUITE_WEP104; 962 else if (cipher & IW_AUTH_CIPHER_TKIP) 963 wdev->wext.connect.crypto.cipher_group = 964 WLAN_CIPHER_SUITE_TKIP; 965 else if (cipher & IW_AUTH_CIPHER_CCMP) 966 wdev->wext.connect.crypto.cipher_group = 967 WLAN_CIPHER_SUITE_CCMP; 968 else if (cipher & IW_AUTH_CIPHER_AES_CMAC) 969 wdev->wext.connect.crypto.cipher_group = 970 WLAN_CIPHER_SUITE_AES_CMAC; 971 else if (cipher & IW_AUTH_CIPHER_NONE) 972 wdev->wext.connect.crypto.cipher_group = 0; 973 else 974 return -EINVAL; 975 976 return 0; 977 } 978 979 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher) 980 { 981 int nr_ciphers = 0; 982 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise; 983 984 if (cipher & IW_AUTH_CIPHER_WEP40) { 985 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40; 986 nr_ciphers++; 987 } 988 989 if (cipher & IW_AUTH_CIPHER_WEP104) { 990 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104; 991 nr_ciphers++; 992 } 993 994 if (cipher & IW_AUTH_CIPHER_TKIP) { 995 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP; 996 nr_ciphers++; 997 } 998 999 if (cipher & IW_AUTH_CIPHER_CCMP) { 1000 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP; 1001 nr_ciphers++; 1002 } 1003 1004 if (cipher & IW_AUTH_CIPHER_AES_CMAC) { 1005 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC; 1006 nr_ciphers++; 1007 } 1008 1009 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5); 1010 1011 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers; 1012 1013 return 0; 1014 } 1015 1016 1017 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt) 1018 { 1019 int nr_akm_suites = 0; 1020 1021 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X | 1022 IW_AUTH_KEY_MGMT_PSK)) 1023 return -EINVAL; 1024 1025 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) { 1026 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = 1027 WLAN_AKM_SUITE_8021X; 1028 nr_akm_suites++; 1029 } 1030 1031 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) { 1032 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = 1033 WLAN_AKM_SUITE_PSK; 1034 nr_akm_suites++; 1035 } 1036 1037 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites; 1038 1039 return 0; 1040 } 1041 1042 static int cfg80211_wext_siwauth(struct net_device *dev, 1043 struct iw_request_info *info, 1044 struct iw_param *data, char *extra) 1045 { 1046 struct wireless_dev *wdev = dev->ieee80211_ptr; 1047 1048 if (wdev->iftype != NL80211_IFTYPE_STATION) 1049 return -EOPNOTSUPP; 1050 1051 switch (data->flags & IW_AUTH_INDEX) { 1052 case IW_AUTH_PRIVACY_INVOKED: 1053 wdev->wext.connect.privacy = data->value; 1054 return 0; 1055 case IW_AUTH_WPA_VERSION: 1056 return cfg80211_set_wpa_version(wdev, data->value); 1057 case IW_AUTH_CIPHER_GROUP: 1058 return cfg80211_set_cipher_group(wdev, data->value); 1059 case IW_AUTH_KEY_MGMT: 1060 return cfg80211_set_key_mgt(wdev, data->value); 1061 case IW_AUTH_CIPHER_PAIRWISE: 1062 return cfg80211_set_cipher_pairwise(wdev, data->value); 1063 case IW_AUTH_80211_AUTH_ALG: 1064 return cfg80211_set_auth_alg(wdev, data->value); 1065 case IW_AUTH_WPA_ENABLED: 1066 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 1067 case IW_AUTH_DROP_UNENCRYPTED: 1068 case IW_AUTH_MFP: 1069 return 0; 1070 default: 1071 return -EOPNOTSUPP; 1072 } 1073 } 1074 1075 static int cfg80211_wext_giwauth(struct net_device *dev, 1076 struct iw_request_info *info, 1077 struct iw_param *data, char *extra) 1078 { 1079 /* XXX: what do we need? */ 1080 1081 return -EOPNOTSUPP; 1082 } 1083 1084 static int cfg80211_wext_siwpower(struct net_device *dev, 1085 struct iw_request_info *info, 1086 struct iw_param *wrq, char *extra) 1087 { 1088 struct wireless_dev *wdev = dev->ieee80211_ptr; 1089 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1090 bool ps = wdev->ps; 1091 int timeout = wdev->ps_timeout; 1092 int err; 1093 1094 if (wdev->iftype != NL80211_IFTYPE_STATION) 1095 return -EINVAL; 1096 1097 if (!rdev->ops->set_power_mgmt) 1098 return -EOPNOTSUPP; 1099 1100 if (wrq->disabled) { 1101 ps = false; 1102 } else { 1103 switch (wrq->flags & IW_POWER_MODE) { 1104 case IW_POWER_ON: /* If not specified */ 1105 case IW_POWER_MODE: /* If set all mask */ 1106 case IW_POWER_ALL_R: /* If explicitely state all */ 1107 ps = true; 1108 break; 1109 default: /* Otherwise we ignore */ 1110 return -EINVAL; 1111 } 1112 1113 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT)) 1114 return -EINVAL; 1115 1116 if (wrq->flags & IW_POWER_TIMEOUT) 1117 timeout = wrq->value / 1000; 1118 } 1119 1120 err = rdev_set_power_mgmt(rdev, dev, ps, timeout); 1121 if (err) 1122 return err; 1123 1124 wdev->ps = ps; 1125 wdev->ps_timeout = timeout; 1126 1127 return 0; 1128 1129 } 1130 1131 static int cfg80211_wext_giwpower(struct net_device *dev, 1132 struct iw_request_info *info, 1133 struct iw_param *wrq, char *extra) 1134 { 1135 struct wireless_dev *wdev = dev->ieee80211_ptr; 1136 1137 wrq->disabled = !wdev->ps; 1138 1139 return 0; 1140 } 1141 1142 static int cfg80211_wds_wext_siwap(struct net_device *dev, 1143 struct iw_request_info *info, 1144 struct sockaddr *addr, char *extra) 1145 { 1146 struct wireless_dev *wdev = dev->ieee80211_ptr; 1147 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1148 int err; 1149 1150 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) 1151 return -EINVAL; 1152 1153 if (addr->sa_family != ARPHRD_ETHER) 1154 return -EINVAL; 1155 1156 if (netif_running(dev)) 1157 return -EBUSY; 1158 1159 if (!rdev->ops->set_wds_peer) 1160 return -EOPNOTSUPP; 1161 1162 err = rdev_set_wds_peer(rdev, dev, (u8 *)&addr->sa_data); 1163 if (err) 1164 return err; 1165 1166 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN); 1167 1168 return 0; 1169 } 1170 1171 static int cfg80211_wds_wext_giwap(struct net_device *dev, 1172 struct iw_request_info *info, 1173 struct sockaddr *addr, char *extra) 1174 { 1175 struct wireless_dev *wdev = dev->ieee80211_ptr; 1176 1177 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) 1178 return -EINVAL; 1179 1180 addr->sa_family = ARPHRD_ETHER; 1181 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN); 1182 1183 return 0; 1184 } 1185 1186 static int cfg80211_wext_siwrate(struct net_device *dev, 1187 struct iw_request_info *info, 1188 struct iw_param *rate, char *extra) 1189 { 1190 struct wireless_dev *wdev = dev->ieee80211_ptr; 1191 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1192 struct cfg80211_bitrate_mask mask; 1193 u32 fixed, maxrate; 1194 struct ieee80211_supported_band *sband; 1195 int band, ridx; 1196 bool match = false; 1197 1198 if (!rdev->ops->set_bitrate_mask) 1199 return -EOPNOTSUPP; 1200 1201 memset(&mask, 0, sizeof(mask)); 1202 fixed = 0; 1203 maxrate = (u32)-1; 1204 1205 if (rate->value < 0) { 1206 /* nothing */ 1207 } else if (rate->fixed) { 1208 fixed = rate->value / 100000; 1209 } else { 1210 maxrate = rate->value / 100000; 1211 } 1212 1213 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1214 sband = wdev->wiphy->bands[band]; 1215 if (sband == NULL) 1216 continue; 1217 for (ridx = 0; ridx < sband->n_bitrates; ridx++) { 1218 struct ieee80211_rate *srate = &sband->bitrates[ridx]; 1219 if (fixed == srate->bitrate) { 1220 mask.control[band].legacy = 1 << ridx; 1221 match = true; 1222 break; 1223 } 1224 if (srate->bitrate <= maxrate) { 1225 mask.control[band].legacy |= 1 << ridx; 1226 match = true; 1227 } 1228 } 1229 } 1230 1231 if (!match) 1232 return -EINVAL; 1233 1234 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); 1235 } 1236 1237 static int cfg80211_wext_giwrate(struct net_device *dev, 1238 struct iw_request_info *info, 1239 struct iw_param *rate, char *extra) 1240 { 1241 struct wireless_dev *wdev = dev->ieee80211_ptr; 1242 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1243 /* we are under RTNL - globally locked - so can use a static struct */ 1244 static struct station_info sinfo; 1245 u8 addr[ETH_ALEN]; 1246 int err; 1247 1248 if (wdev->iftype != NL80211_IFTYPE_STATION) 1249 return -EOPNOTSUPP; 1250 1251 if (!rdev->ops->get_station) 1252 return -EOPNOTSUPP; 1253 1254 err = 0; 1255 wdev_lock(wdev); 1256 if (wdev->current_bss) 1257 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN); 1258 else 1259 err = -EOPNOTSUPP; 1260 wdev_unlock(wdev); 1261 if (err) 1262 return err; 1263 1264 err = rdev_get_station(rdev, dev, addr, &sinfo); 1265 if (err) 1266 return err; 1267 1268 if (!(sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE))) 1269 return -EOPNOTSUPP; 1270 1271 rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate); 1272 1273 return 0; 1274 } 1275 1276 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ 1277 static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) 1278 { 1279 struct wireless_dev *wdev = dev->ieee80211_ptr; 1280 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1281 /* we are under RTNL - globally locked - so can use static structs */ 1282 static struct iw_statistics wstats; 1283 static struct station_info sinfo; 1284 u8 bssid[ETH_ALEN]; 1285 1286 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) 1287 return NULL; 1288 1289 if (!rdev->ops->get_station) 1290 return NULL; 1291 1292 /* Grab BSSID of current BSS, if any */ 1293 wdev_lock(wdev); 1294 if (!wdev->current_bss) { 1295 wdev_unlock(wdev); 1296 return NULL; 1297 } 1298 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); 1299 wdev_unlock(wdev); 1300 1301 memset(&sinfo, 0, sizeof(sinfo)); 1302 1303 if (rdev_get_station(rdev, dev, bssid, &sinfo)) 1304 return NULL; 1305 1306 memset(&wstats, 0, sizeof(wstats)); 1307 1308 switch (rdev->wiphy.signal_type) { 1309 case CFG80211_SIGNAL_TYPE_MBM: 1310 if (sinfo.filled & BIT(NL80211_STA_INFO_SIGNAL)) { 1311 int sig = sinfo.signal; 1312 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; 1313 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; 1314 wstats.qual.updated |= IW_QUAL_DBM; 1315 wstats.qual.level = sig; 1316 if (sig < -110) 1317 sig = -110; 1318 else if (sig > -40) 1319 sig = -40; 1320 wstats.qual.qual = sig + 110; 1321 break; 1322 } 1323 case CFG80211_SIGNAL_TYPE_UNSPEC: 1324 if (sinfo.filled & BIT(NL80211_STA_INFO_SIGNAL)) { 1325 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; 1326 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; 1327 wstats.qual.level = sinfo.signal; 1328 wstats.qual.qual = sinfo.signal; 1329 break; 1330 } 1331 default: 1332 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; 1333 wstats.qual.updated |= IW_QUAL_QUAL_INVALID; 1334 } 1335 1336 wstats.qual.updated |= IW_QUAL_NOISE_INVALID; 1337 if (sinfo.filled & BIT(NL80211_STA_INFO_RX_DROP_MISC)) 1338 wstats.discard.misc = sinfo.rx_dropped_misc; 1339 if (sinfo.filled & BIT(NL80211_STA_INFO_TX_FAILED)) 1340 wstats.discard.retries = sinfo.tx_failed; 1341 1342 return &wstats; 1343 } 1344 1345 static int cfg80211_wext_siwap(struct net_device *dev, 1346 struct iw_request_info *info, 1347 struct sockaddr *ap_addr, char *extra) 1348 { 1349 struct wireless_dev *wdev = dev->ieee80211_ptr; 1350 1351 switch (wdev->iftype) { 1352 case NL80211_IFTYPE_ADHOC: 1353 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); 1354 case NL80211_IFTYPE_STATION: 1355 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); 1356 case NL80211_IFTYPE_WDS: 1357 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra); 1358 default: 1359 return -EOPNOTSUPP; 1360 } 1361 } 1362 1363 static int cfg80211_wext_giwap(struct net_device *dev, 1364 struct iw_request_info *info, 1365 struct sockaddr *ap_addr, char *extra) 1366 { 1367 struct wireless_dev *wdev = dev->ieee80211_ptr; 1368 1369 switch (wdev->iftype) { 1370 case NL80211_IFTYPE_ADHOC: 1371 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); 1372 case NL80211_IFTYPE_STATION: 1373 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); 1374 case NL80211_IFTYPE_WDS: 1375 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra); 1376 default: 1377 return -EOPNOTSUPP; 1378 } 1379 } 1380 1381 static int cfg80211_wext_siwessid(struct net_device *dev, 1382 struct iw_request_info *info, 1383 struct iw_point *data, char *ssid) 1384 { 1385 struct wireless_dev *wdev = dev->ieee80211_ptr; 1386 1387 switch (wdev->iftype) { 1388 case NL80211_IFTYPE_ADHOC: 1389 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid); 1390 case NL80211_IFTYPE_STATION: 1391 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid); 1392 default: 1393 return -EOPNOTSUPP; 1394 } 1395 } 1396 1397 static int cfg80211_wext_giwessid(struct net_device *dev, 1398 struct iw_request_info *info, 1399 struct iw_point *data, char *ssid) 1400 { 1401 struct wireless_dev *wdev = dev->ieee80211_ptr; 1402 1403 data->flags = 0; 1404 data->length = 0; 1405 1406 switch (wdev->iftype) { 1407 case NL80211_IFTYPE_ADHOC: 1408 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid); 1409 case NL80211_IFTYPE_STATION: 1410 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid); 1411 default: 1412 return -EOPNOTSUPP; 1413 } 1414 } 1415 1416 static int cfg80211_wext_siwpmksa(struct net_device *dev, 1417 struct iw_request_info *info, 1418 struct iw_point *data, char *extra) 1419 { 1420 struct wireless_dev *wdev = dev->ieee80211_ptr; 1421 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1422 struct cfg80211_pmksa cfg_pmksa; 1423 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; 1424 1425 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); 1426 1427 if (wdev->iftype != NL80211_IFTYPE_STATION) 1428 return -EINVAL; 1429 1430 cfg_pmksa.bssid = pmksa->bssid.sa_data; 1431 cfg_pmksa.pmkid = pmksa->pmkid; 1432 1433 switch (pmksa->cmd) { 1434 case IW_PMKSA_ADD: 1435 if (!rdev->ops->set_pmksa) 1436 return -EOPNOTSUPP; 1437 1438 return rdev_set_pmksa(rdev, dev, &cfg_pmksa); 1439 1440 case IW_PMKSA_REMOVE: 1441 if (!rdev->ops->del_pmksa) 1442 return -EOPNOTSUPP; 1443 1444 return rdev_del_pmksa(rdev, dev, &cfg_pmksa); 1445 1446 case IW_PMKSA_FLUSH: 1447 if (!rdev->ops->flush_pmksa) 1448 return -EOPNOTSUPP; 1449 1450 return rdev_flush_pmksa(rdev, dev); 1451 1452 default: 1453 return -EOPNOTSUPP; 1454 } 1455 } 1456 1457 static const iw_handler cfg80211_handlers[] = { 1458 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname, 1459 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq, 1460 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq, 1461 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode, 1462 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode, 1463 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange, 1464 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap, 1465 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap, 1466 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme, 1467 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan, 1468 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan, 1469 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid, 1470 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid, 1471 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate, 1472 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate, 1473 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts, 1474 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts, 1475 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag, 1476 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag, 1477 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower, 1478 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower, 1479 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry, 1480 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry, 1481 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode, 1482 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode, 1483 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower, 1484 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower, 1485 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie, 1486 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth, 1487 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth, 1488 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext, 1489 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa, 1490 }; 1491 1492 const struct iw_handler_def cfg80211_wext_handler = { 1493 .num_standard = ARRAY_SIZE(cfg80211_handlers), 1494 .standard = cfg80211_handlers, 1495 .get_wireless_stats = cfg80211_wireless_stats, 1496 }; 1497