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 < 4; 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 && idx < 4) { 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 else if (params->cipher != WLAN_CIPHER_SUITE_WEP40 && 491 params->cipher != WLAN_CIPHER_SUITE_WEP104) 492 return -EINVAL; 493 if (err) 494 return err; 495 496 if (!addr) { 497 wdev->wext.keys->params[idx] = *params; 498 memcpy(wdev->wext.keys->data[idx], 499 params->key, params->key_len); 500 wdev->wext.keys->params[idx].key = 501 wdev->wext.keys->data[idx]; 502 } 503 504 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 || 505 params->cipher == WLAN_CIPHER_SUITE_WEP104) && 506 (tx_key || (!addr && wdev->wext.default_key == -1))) { 507 if (wdev->current_bss) { 508 /* 509 * If we are getting a new TX key from not having 510 * had one before we need to join a new IBSS with 511 * the privacy bit set. 512 */ 513 if (wdev->iftype == NL80211_IFTYPE_ADHOC && 514 wdev->wext.default_key == -1) { 515 __cfg80211_leave_ibss(rdev, wdev->netdev, true); 516 rejoin = true; 517 } 518 err = rdev_set_default_key(rdev, dev, idx, true, true); 519 } 520 if (!err) { 521 wdev->wext.default_key = idx; 522 if (rejoin) 523 err = cfg80211_ibss_wext_join(rdev, wdev); 524 } 525 return err; 526 } 527 528 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && 529 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { 530 if (wdev->current_bss) 531 err = rdev_set_default_mgmt_key(rdev, dev, idx); 532 if (!err) 533 wdev->wext.default_mgmt_key = idx; 534 return err; 535 } 536 537 return 0; 538 } 539 540 static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, 541 struct net_device *dev, bool pairwise, 542 const u8 *addr, bool remove, bool tx_key, 543 int idx, struct key_params *params) 544 { 545 int err; 546 547 wdev_lock(dev->ieee80211_ptr); 548 err = __cfg80211_set_encryption(rdev, dev, pairwise, addr, 549 remove, tx_key, idx, params); 550 wdev_unlock(dev->ieee80211_ptr); 551 552 return err; 553 } 554 555 static int cfg80211_wext_siwencode(struct net_device *dev, 556 struct iw_request_info *info, 557 struct iw_point *erq, char *keybuf) 558 { 559 struct wireless_dev *wdev = dev->ieee80211_ptr; 560 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 561 int idx, err; 562 bool remove = false; 563 struct key_params params; 564 565 if (wdev->iftype != NL80211_IFTYPE_STATION && 566 wdev->iftype != NL80211_IFTYPE_ADHOC) 567 return -EOPNOTSUPP; 568 569 /* no use -- only MFP (set_default_mgmt_key) is optional */ 570 if (!rdev->ops->del_key || 571 !rdev->ops->add_key || 572 !rdev->ops->set_default_key) 573 return -EOPNOTSUPP; 574 575 idx = erq->flags & IW_ENCODE_INDEX; 576 if (idx == 0) { 577 idx = wdev->wext.default_key; 578 if (idx < 0) 579 idx = 0; 580 } else if (idx < 1 || idx > 4) 581 return -EINVAL; 582 else 583 idx--; 584 585 if (erq->flags & IW_ENCODE_DISABLED) 586 remove = true; 587 else if (erq->length == 0) { 588 /* No key data - just set the default TX key index */ 589 err = 0; 590 wdev_lock(wdev); 591 if (wdev->current_bss) 592 err = rdev_set_default_key(rdev, dev, idx, true, 593 true); 594 if (!err) 595 wdev->wext.default_key = idx; 596 wdev_unlock(wdev); 597 return err; 598 } 599 600 memset(¶ms, 0, sizeof(params)); 601 params.key = keybuf; 602 params.key_len = erq->length; 603 if (erq->length == 5) 604 params.cipher = WLAN_CIPHER_SUITE_WEP40; 605 else if (erq->length == 13) 606 params.cipher = WLAN_CIPHER_SUITE_WEP104; 607 else if (!remove) 608 return -EINVAL; 609 610 return cfg80211_set_encryption(rdev, dev, false, NULL, remove, 611 wdev->wext.default_key == -1, 612 idx, ¶ms); 613 } 614 615 static int cfg80211_wext_siwencodeext(struct net_device *dev, 616 struct iw_request_info *info, 617 struct iw_point *erq, char *extra) 618 { 619 struct wireless_dev *wdev = dev->ieee80211_ptr; 620 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 621 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; 622 const u8 *addr; 623 int idx; 624 bool remove = false; 625 struct key_params params; 626 u32 cipher; 627 628 if (wdev->iftype != NL80211_IFTYPE_STATION && 629 wdev->iftype != NL80211_IFTYPE_ADHOC) 630 return -EOPNOTSUPP; 631 632 /* no use -- only MFP (set_default_mgmt_key) is optional */ 633 if (!rdev->ops->del_key || 634 !rdev->ops->add_key || 635 !rdev->ops->set_default_key) 636 return -EOPNOTSUPP; 637 638 switch (ext->alg) { 639 case IW_ENCODE_ALG_NONE: 640 remove = true; 641 cipher = 0; 642 break; 643 case IW_ENCODE_ALG_WEP: 644 if (ext->key_len == 5) 645 cipher = WLAN_CIPHER_SUITE_WEP40; 646 else if (ext->key_len == 13) 647 cipher = WLAN_CIPHER_SUITE_WEP104; 648 else 649 return -EINVAL; 650 break; 651 case IW_ENCODE_ALG_TKIP: 652 cipher = WLAN_CIPHER_SUITE_TKIP; 653 break; 654 case IW_ENCODE_ALG_CCMP: 655 cipher = WLAN_CIPHER_SUITE_CCMP; 656 break; 657 case IW_ENCODE_ALG_AES_CMAC: 658 cipher = WLAN_CIPHER_SUITE_AES_CMAC; 659 break; 660 default: 661 return -EOPNOTSUPP; 662 } 663 664 if (erq->flags & IW_ENCODE_DISABLED) 665 remove = true; 666 667 idx = erq->flags & IW_ENCODE_INDEX; 668 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) { 669 if (idx < 4 || idx > 5) { 670 idx = wdev->wext.default_mgmt_key; 671 if (idx < 0) 672 return -EINVAL; 673 } else 674 idx--; 675 } else { 676 if (idx < 1 || idx > 4) { 677 idx = wdev->wext.default_key; 678 if (idx < 0) 679 return -EINVAL; 680 } else 681 idx--; 682 } 683 684 addr = ext->addr.sa_data; 685 if (is_broadcast_ether_addr(addr)) 686 addr = NULL; 687 688 memset(¶ms, 0, sizeof(params)); 689 params.key = ext->key; 690 params.key_len = ext->key_len; 691 params.cipher = cipher; 692 693 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { 694 params.seq = ext->rx_seq; 695 params.seq_len = 6; 696 } 697 698 return cfg80211_set_encryption( 699 rdev, dev, 700 !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), 701 addr, remove, 702 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, 703 idx, ¶ms); 704 } 705 706 static int cfg80211_wext_giwencode(struct net_device *dev, 707 struct iw_request_info *info, 708 struct iw_point *erq, char *keybuf) 709 { 710 struct wireless_dev *wdev = dev->ieee80211_ptr; 711 int idx; 712 713 if (wdev->iftype != NL80211_IFTYPE_STATION && 714 wdev->iftype != NL80211_IFTYPE_ADHOC) 715 return -EOPNOTSUPP; 716 717 idx = erq->flags & IW_ENCODE_INDEX; 718 if (idx == 0) { 719 idx = wdev->wext.default_key; 720 if (idx < 0) 721 idx = 0; 722 } else if (idx < 1 || idx > 4) 723 return -EINVAL; 724 else 725 idx--; 726 727 erq->flags = idx + 1; 728 729 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) { 730 erq->flags |= IW_ENCODE_DISABLED; 731 erq->length = 0; 732 return 0; 733 } 734 735 erq->length = min_t(size_t, erq->length, 736 wdev->wext.keys->params[idx].key_len); 737 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length); 738 erq->flags |= IW_ENCODE_ENABLED; 739 740 return 0; 741 } 742 743 static int cfg80211_wext_siwfreq(struct net_device *dev, 744 struct iw_request_info *info, 745 struct iw_freq *wextfreq, char *extra) 746 { 747 struct wireless_dev *wdev = dev->ieee80211_ptr; 748 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 749 struct cfg80211_chan_def chandef = { 750 .width = NL80211_CHAN_WIDTH_20_NOHT, 751 }; 752 int freq; 753 754 switch (wdev->iftype) { 755 case NL80211_IFTYPE_STATION: 756 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); 757 case NL80211_IFTYPE_ADHOC: 758 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); 759 case NL80211_IFTYPE_MONITOR: 760 freq = cfg80211_wext_freq(wextfreq); 761 if (freq < 0) 762 return freq; 763 if (freq == 0) 764 return -EINVAL; 765 chandef.center_freq1 = freq; 766 chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); 767 if (!chandef.chan) 768 return -EINVAL; 769 return cfg80211_set_monitor_channel(rdev, &chandef); 770 case NL80211_IFTYPE_MESH_POINT: 771 freq = cfg80211_wext_freq(wextfreq); 772 if (freq < 0) 773 return freq; 774 if (freq == 0) 775 return -EINVAL; 776 chandef.center_freq1 = freq; 777 chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); 778 if (!chandef.chan) 779 return -EINVAL; 780 return cfg80211_set_mesh_channel(rdev, wdev, &chandef); 781 default: 782 return -EOPNOTSUPP; 783 } 784 } 785 786 static int cfg80211_wext_giwfreq(struct net_device *dev, 787 struct iw_request_info *info, 788 struct iw_freq *freq, char *extra) 789 { 790 struct wireless_dev *wdev = dev->ieee80211_ptr; 791 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 792 struct cfg80211_chan_def chandef; 793 int ret; 794 795 switch (wdev->iftype) { 796 case NL80211_IFTYPE_STATION: 797 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); 798 case NL80211_IFTYPE_ADHOC: 799 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); 800 case NL80211_IFTYPE_MONITOR: 801 if (!rdev->ops->get_channel) 802 return -EINVAL; 803 804 ret = rdev_get_channel(rdev, wdev, &chandef); 805 if (ret) 806 return ret; 807 freq->m = chandef.chan->center_freq; 808 freq->e = 6; 809 return 0; 810 default: 811 return -EINVAL; 812 } 813 } 814 815 static int cfg80211_wext_siwtxpower(struct net_device *dev, 816 struct iw_request_info *info, 817 union iwreq_data *data, char *extra) 818 { 819 struct wireless_dev *wdev = dev->ieee80211_ptr; 820 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 821 enum nl80211_tx_power_setting type; 822 int dbm = 0; 823 824 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) 825 return -EINVAL; 826 if (data->txpower.flags & IW_TXPOW_RANGE) 827 return -EINVAL; 828 829 if (!rdev->ops->set_tx_power) 830 return -EOPNOTSUPP; 831 832 /* only change when not disabling */ 833 if (!data->txpower.disabled) { 834 rfkill_set_sw_state(rdev->rfkill, false); 835 836 if (data->txpower.fixed) { 837 /* 838 * wext doesn't support negative values, see 839 * below where it's for automatic 840 */ 841 if (data->txpower.value < 0) 842 return -EINVAL; 843 dbm = data->txpower.value; 844 type = NL80211_TX_POWER_FIXED; 845 /* TODO: do regulatory check! */ 846 } else { 847 /* 848 * Automatic power level setting, max being the value 849 * passed in from userland. 850 */ 851 if (data->txpower.value < 0) { 852 type = NL80211_TX_POWER_AUTOMATIC; 853 } else { 854 dbm = data->txpower.value; 855 type = NL80211_TX_POWER_LIMITED; 856 } 857 } 858 } else { 859 rfkill_set_sw_state(rdev->rfkill, true); 860 schedule_work(&rdev->rfkill_sync); 861 return 0; 862 } 863 864 return rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm)); 865 } 866 867 static int cfg80211_wext_giwtxpower(struct net_device *dev, 868 struct iw_request_info *info, 869 union iwreq_data *data, char *extra) 870 { 871 struct wireless_dev *wdev = dev->ieee80211_ptr; 872 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 873 int err, val; 874 875 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) 876 return -EINVAL; 877 if (data->txpower.flags & IW_TXPOW_RANGE) 878 return -EINVAL; 879 880 if (!rdev->ops->get_tx_power) 881 return -EOPNOTSUPP; 882 883 err = rdev_get_tx_power(rdev, wdev, &val); 884 if (err) 885 return err; 886 887 /* well... oh well */ 888 data->txpower.fixed = 1; 889 data->txpower.disabled = rfkill_blocked(rdev->rfkill); 890 data->txpower.value = val; 891 data->txpower.flags = IW_TXPOW_DBM; 892 893 return 0; 894 } 895 896 static int cfg80211_set_auth_alg(struct wireless_dev *wdev, 897 s32 auth_alg) 898 { 899 int nr_alg = 0; 900 901 if (!auth_alg) 902 return -EINVAL; 903 904 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM | 905 IW_AUTH_ALG_SHARED_KEY | 906 IW_AUTH_ALG_LEAP)) 907 return -EINVAL; 908 909 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) { 910 nr_alg++; 911 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 912 } 913 914 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) { 915 nr_alg++; 916 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY; 917 } 918 919 if (auth_alg & IW_AUTH_ALG_LEAP) { 920 nr_alg++; 921 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP; 922 } 923 924 if (nr_alg > 1) 925 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; 926 927 return 0; 928 } 929 930 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) 931 { 932 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | 933 IW_AUTH_WPA_VERSION_WPA2| 934 IW_AUTH_WPA_VERSION_DISABLED)) 935 return -EINVAL; 936 937 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) && 938 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA| 939 IW_AUTH_WPA_VERSION_WPA2))) 940 return -EINVAL; 941 942 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) 943 wdev->wext.connect.crypto.wpa_versions &= 944 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2); 945 946 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA) 947 wdev->wext.connect.crypto.wpa_versions |= 948 NL80211_WPA_VERSION_1; 949 950 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2) 951 wdev->wext.connect.crypto.wpa_versions |= 952 NL80211_WPA_VERSION_2; 953 954 return 0; 955 } 956 957 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) 958 { 959 if (cipher & IW_AUTH_CIPHER_WEP40) 960 wdev->wext.connect.crypto.cipher_group = 961 WLAN_CIPHER_SUITE_WEP40; 962 else if (cipher & IW_AUTH_CIPHER_WEP104) 963 wdev->wext.connect.crypto.cipher_group = 964 WLAN_CIPHER_SUITE_WEP104; 965 else if (cipher & IW_AUTH_CIPHER_TKIP) 966 wdev->wext.connect.crypto.cipher_group = 967 WLAN_CIPHER_SUITE_TKIP; 968 else if (cipher & IW_AUTH_CIPHER_CCMP) 969 wdev->wext.connect.crypto.cipher_group = 970 WLAN_CIPHER_SUITE_CCMP; 971 else if (cipher & IW_AUTH_CIPHER_AES_CMAC) 972 wdev->wext.connect.crypto.cipher_group = 973 WLAN_CIPHER_SUITE_AES_CMAC; 974 else if (cipher & IW_AUTH_CIPHER_NONE) 975 wdev->wext.connect.crypto.cipher_group = 0; 976 else 977 return -EINVAL; 978 979 return 0; 980 } 981 982 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher) 983 { 984 int nr_ciphers = 0; 985 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise; 986 987 if (cipher & IW_AUTH_CIPHER_WEP40) { 988 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40; 989 nr_ciphers++; 990 } 991 992 if (cipher & IW_AUTH_CIPHER_WEP104) { 993 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104; 994 nr_ciphers++; 995 } 996 997 if (cipher & IW_AUTH_CIPHER_TKIP) { 998 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP; 999 nr_ciphers++; 1000 } 1001 1002 if (cipher & IW_AUTH_CIPHER_CCMP) { 1003 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP; 1004 nr_ciphers++; 1005 } 1006 1007 if (cipher & IW_AUTH_CIPHER_AES_CMAC) { 1008 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC; 1009 nr_ciphers++; 1010 } 1011 1012 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5); 1013 1014 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers; 1015 1016 return 0; 1017 } 1018 1019 1020 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt) 1021 { 1022 int nr_akm_suites = 0; 1023 1024 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X | 1025 IW_AUTH_KEY_MGMT_PSK)) 1026 return -EINVAL; 1027 1028 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) { 1029 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = 1030 WLAN_AKM_SUITE_8021X; 1031 nr_akm_suites++; 1032 } 1033 1034 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) { 1035 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = 1036 WLAN_AKM_SUITE_PSK; 1037 nr_akm_suites++; 1038 } 1039 1040 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites; 1041 1042 return 0; 1043 } 1044 1045 static int cfg80211_wext_siwauth(struct net_device *dev, 1046 struct iw_request_info *info, 1047 struct iw_param *data, char *extra) 1048 { 1049 struct wireless_dev *wdev = dev->ieee80211_ptr; 1050 1051 if (wdev->iftype != NL80211_IFTYPE_STATION) 1052 return -EOPNOTSUPP; 1053 1054 switch (data->flags & IW_AUTH_INDEX) { 1055 case IW_AUTH_PRIVACY_INVOKED: 1056 wdev->wext.connect.privacy = data->value; 1057 return 0; 1058 case IW_AUTH_WPA_VERSION: 1059 return cfg80211_set_wpa_version(wdev, data->value); 1060 case IW_AUTH_CIPHER_GROUP: 1061 return cfg80211_set_cipher_group(wdev, data->value); 1062 case IW_AUTH_KEY_MGMT: 1063 return cfg80211_set_key_mgt(wdev, data->value); 1064 case IW_AUTH_CIPHER_PAIRWISE: 1065 return cfg80211_set_cipher_pairwise(wdev, data->value); 1066 case IW_AUTH_80211_AUTH_ALG: 1067 return cfg80211_set_auth_alg(wdev, data->value); 1068 case IW_AUTH_WPA_ENABLED: 1069 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 1070 case IW_AUTH_DROP_UNENCRYPTED: 1071 case IW_AUTH_MFP: 1072 return 0; 1073 default: 1074 return -EOPNOTSUPP; 1075 } 1076 } 1077 1078 static int cfg80211_wext_giwauth(struct net_device *dev, 1079 struct iw_request_info *info, 1080 struct iw_param *data, char *extra) 1081 { 1082 /* XXX: what do we need? */ 1083 1084 return -EOPNOTSUPP; 1085 } 1086 1087 static int cfg80211_wext_siwpower(struct net_device *dev, 1088 struct iw_request_info *info, 1089 struct iw_param *wrq, char *extra) 1090 { 1091 struct wireless_dev *wdev = dev->ieee80211_ptr; 1092 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1093 bool ps = wdev->ps; 1094 int timeout = wdev->ps_timeout; 1095 int err; 1096 1097 if (wdev->iftype != NL80211_IFTYPE_STATION) 1098 return -EINVAL; 1099 1100 if (!rdev->ops->set_power_mgmt) 1101 return -EOPNOTSUPP; 1102 1103 if (wrq->disabled) { 1104 ps = false; 1105 } else { 1106 switch (wrq->flags & IW_POWER_MODE) { 1107 case IW_POWER_ON: /* If not specified */ 1108 case IW_POWER_MODE: /* If set all mask */ 1109 case IW_POWER_ALL_R: /* If explicitely state all */ 1110 ps = true; 1111 break; 1112 default: /* Otherwise we ignore */ 1113 return -EINVAL; 1114 } 1115 1116 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT)) 1117 return -EINVAL; 1118 1119 if (wrq->flags & IW_POWER_TIMEOUT) 1120 timeout = wrq->value / 1000; 1121 } 1122 1123 err = rdev_set_power_mgmt(rdev, dev, ps, timeout); 1124 if (err) 1125 return err; 1126 1127 wdev->ps = ps; 1128 wdev->ps_timeout = timeout; 1129 1130 return 0; 1131 1132 } 1133 1134 static int cfg80211_wext_giwpower(struct net_device *dev, 1135 struct iw_request_info *info, 1136 struct iw_param *wrq, char *extra) 1137 { 1138 struct wireless_dev *wdev = dev->ieee80211_ptr; 1139 1140 wrq->disabled = !wdev->ps; 1141 1142 return 0; 1143 } 1144 1145 static int cfg80211_wds_wext_siwap(struct net_device *dev, 1146 struct iw_request_info *info, 1147 struct sockaddr *addr, char *extra) 1148 { 1149 struct wireless_dev *wdev = dev->ieee80211_ptr; 1150 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1151 int err; 1152 1153 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) 1154 return -EINVAL; 1155 1156 if (addr->sa_family != ARPHRD_ETHER) 1157 return -EINVAL; 1158 1159 if (netif_running(dev)) 1160 return -EBUSY; 1161 1162 if (!rdev->ops->set_wds_peer) 1163 return -EOPNOTSUPP; 1164 1165 err = rdev_set_wds_peer(rdev, dev, (u8 *)&addr->sa_data); 1166 if (err) 1167 return err; 1168 1169 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN); 1170 1171 return 0; 1172 } 1173 1174 static int cfg80211_wds_wext_giwap(struct net_device *dev, 1175 struct iw_request_info *info, 1176 struct sockaddr *addr, char *extra) 1177 { 1178 struct wireless_dev *wdev = dev->ieee80211_ptr; 1179 1180 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) 1181 return -EINVAL; 1182 1183 addr->sa_family = ARPHRD_ETHER; 1184 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN); 1185 1186 return 0; 1187 } 1188 1189 static int cfg80211_wext_siwrate(struct net_device *dev, 1190 struct iw_request_info *info, 1191 struct iw_param *rate, char *extra) 1192 { 1193 struct wireless_dev *wdev = dev->ieee80211_ptr; 1194 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1195 struct cfg80211_bitrate_mask mask; 1196 u32 fixed, maxrate; 1197 struct ieee80211_supported_band *sband; 1198 int band, ridx; 1199 bool match = false; 1200 1201 if (!rdev->ops->set_bitrate_mask) 1202 return -EOPNOTSUPP; 1203 1204 memset(&mask, 0, sizeof(mask)); 1205 fixed = 0; 1206 maxrate = (u32)-1; 1207 1208 if (rate->value < 0) { 1209 /* nothing */ 1210 } else if (rate->fixed) { 1211 fixed = rate->value / 100000; 1212 } else { 1213 maxrate = rate->value / 100000; 1214 } 1215 1216 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1217 sband = wdev->wiphy->bands[band]; 1218 if (sband == NULL) 1219 continue; 1220 for (ridx = 0; ridx < sband->n_bitrates; ridx++) { 1221 struct ieee80211_rate *srate = &sband->bitrates[ridx]; 1222 if (fixed == srate->bitrate) { 1223 mask.control[band].legacy = 1 << ridx; 1224 match = true; 1225 break; 1226 } 1227 if (srate->bitrate <= maxrate) { 1228 mask.control[band].legacy |= 1 << ridx; 1229 match = true; 1230 } 1231 } 1232 } 1233 1234 if (!match) 1235 return -EINVAL; 1236 1237 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); 1238 } 1239 1240 static int cfg80211_wext_giwrate(struct net_device *dev, 1241 struct iw_request_info *info, 1242 struct iw_param *rate, char *extra) 1243 { 1244 struct wireless_dev *wdev = dev->ieee80211_ptr; 1245 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1246 /* we are under RTNL - globally locked - so can use a static struct */ 1247 static struct station_info sinfo; 1248 u8 addr[ETH_ALEN]; 1249 int err; 1250 1251 if (wdev->iftype != NL80211_IFTYPE_STATION) 1252 return -EOPNOTSUPP; 1253 1254 if (!rdev->ops->get_station) 1255 return -EOPNOTSUPP; 1256 1257 err = 0; 1258 wdev_lock(wdev); 1259 if (wdev->current_bss) 1260 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN); 1261 else 1262 err = -EOPNOTSUPP; 1263 wdev_unlock(wdev); 1264 if (err) 1265 return err; 1266 1267 err = rdev_get_station(rdev, dev, addr, &sinfo); 1268 if (err) 1269 return err; 1270 1271 if (!(sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE))) 1272 return -EOPNOTSUPP; 1273 1274 rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate); 1275 1276 return 0; 1277 } 1278 1279 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ 1280 static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) 1281 { 1282 struct wireless_dev *wdev = dev->ieee80211_ptr; 1283 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1284 /* we are under RTNL - globally locked - so can use static structs */ 1285 static struct iw_statistics wstats; 1286 static struct station_info sinfo; 1287 u8 bssid[ETH_ALEN]; 1288 1289 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) 1290 return NULL; 1291 1292 if (!rdev->ops->get_station) 1293 return NULL; 1294 1295 /* Grab BSSID of current BSS, if any */ 1296 wdev_lock(wdev); 1297 if (!wdev->current_bss) { 1298 wdev_unlock(wdev); 1299 return NULL; 1300 } 1301 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); 1302 wdev_unlock(wdev); 1303 1304 memset(&sinfo, 0, sizeof(sinfo)); 1305 1306 if (rdev_get_station(rdev, dev, bssid, &sinfo)) 1307 return NULL; 1308 1309 memset(&wstats, 0, sizeof(wstats)); 1310 1311 switch (rdev->wiphy.signal_type) { 1312 case CFG80211_SIGNAL_TYPE_MBM: 1313 if (sinfo.filled & BIT(NL80211_STA_INFO_SIGNAL)) { 1314 int sig = sinfo.signal; 1315 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; 1316 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; 1317 wstats.qual.updated |= IW_QUAL_DBM; 1318 wstats.qual.level = sig; 1319 if (sig < -110) 1320 sig = -110; 1321 else if (sig > -40) 1322 sig = -40; 1323 wstats.qual.qual = sig + 110; 1324 break; 1325 } 1326 case CFG80211_SIGNAL_TYPE_UNSPEC: 1327 if (sinfo.filled & BIT(NL80211_STA_INFO_SIGNAL)) { 1328 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; 1329 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; 1330 wstats.qual.level = sinfo.signal; 1331 wstats.qual.qual = sinfo.signal; 1332 break; 1333 } 1334 default: 1335 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; 1336 wstats.qual.updated |= IW_QUAL_QUAL_INVALID; 1337 } 1338 1339 wstats.qual.updated |= IW_QUAL_NOISE_INVALID; 1340 if (sinfo.filled & BIT(NL80211_STA_INFO_RX_DROP_MISC)) 1341 wstats.discard.misc = sinfo.rx_dropped_misc; 1342 if (sinfo.filled & BIT(NL80211_STA_INFO_TX_FAILED)) 1343 wstats.discard.retries = sinfo.tx_failed; 1344 1345 return &wstats; 1346 } 1347 1348 static int cfg80211_wext_siwap(struct net_device *dev, 1349 struct iw_request_info *info, 1350 struct sockaddr *ap_addr, char *extra) 1351 { 1352 struct wireless_dev *wdev = dev->ieee80211_ptr; 1353 1354 switch (wdev->iftype) { 1355 case NL80211_IFTYPE_ADHOC: 1356 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); 1357 case NL80211_IFTYPE_STATION: 1358 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); 1359 case NL80211_IFTYPE_WDS: 1360 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra); 1361 default: 1362 return -EOPNOTSUPP; 1363 } 1364 } 1365 1366 static int cfg80211_wext_giwap(struct net_device *dev, 1367 struct iw_request_info *info, 1368 struct sockaddr *ap_addr, char *extra) 1369 { 1370 struct wireless_dev *wdev = dev->ieee80211_ptr; 1371 1372 switch (wdev->iftype) { 1373 case NL80211_IFTYPE_ADHOC: 1374 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); 1375 case NL80211_IFTYPE_STATION: 1376 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); 1377 case NL80211_IFTYPE_WDS: 1378 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra); 1379 default: 1380 return -EOPNOTSUPP; 1381 } 1382 } 1383 1384 static int cfg80211_wext_siwessid(struct net_device *dev, 1385 struct iw_request_info *info, 1386 struct iw_point *data, char *ssid) 1387 { 1388 struct wireless_dev *wdev = dev->ieee80211_ptr; 1389 1390 switch (wdev->iftype) { 1391 case NL80211_IFTYPE_ADHOC: 1392 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid); 1393 case NL80211_IFTYPE_STATION: 1394 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid); 1395 default: 1396 return -EOPNOTSUPP; 1397 } 1398 } 1399 1400 static int cfg80211_wext_giwessid(struct net_device *dev, 1401 struct iw_request_info *info, 1402 struct iw_point *data, char *ssid) 1403 { 1404 struct wireless_dev *wdev = dev->ieee80211_ptr; 1405 1406 data->flags = 0; 1407 data->length = 0; 1408 1409 switch (wdev->iftype) { 1410 case NL80211_IFTYPE_ADHOC: 1411 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid); 1412 case NL80211_IFTYPE_STATION: 1413 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid); 1414 default: 1415 return -EOPNOTSUPP; 1416 } 1417 } 1418 1419 static int cfg80211_wext_siwpmksa(struct net_device *dev, 1420 struct iw_request_info *info, 1421 struct iw_point *data, char *extra) 1422 { 1423 struct wireless_dev *wdev = dev->ieee80211_ptr; 1424 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); 1425 struct cfg80211_pmksa cfg_pmksa; 1426 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; 1427 1428 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); 1429 1430 if (wdev->iftype != NL80211_IFTYPE_STATION) 1431 return -EINVAL; 1432 1433 cfg_pmksa.bssid = pmksa->bssid.sa_data; 1434 cfg_pmksa.pmkid = pmksa->pmkid; 1435 1436 switch (pmksa->cmd) { 1437 case IW_PMKSA_ADD: 1438 if (!rdev->ops->set_pmksa) 1439 return -EOPNOTSUPP; 1440 1441 return rdev_set_pmksa(rdev, dev, &cfg_pmksa); 1442 1443 case IW_PMKSA_REMOVE: 1444 if (!rdev->ops->del_pmksa) 1445 return -EOPNOTSUPP; 1446 1447 return rdev_del_pmksa(rdev, dev, &cfg_pmksa); 1448 1449 case IW_PMKSA_FLUSH: 1450 if (!rdev->ops->flush_pmksa) 1451 return -EOPNOTSUPP; 1452 1453 return rdev_flush_pmksa(rdev, dev); 1454 1455 default: 1456 return -EOPNOTSUPP; 1457 } 1458 } 1459 1460 static const iw_handler cfg80211_handlers[] = { 1461 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname, 1462 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq, 1463 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq, 1464 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode, 1465 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode, 1466 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange, 1467 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap, 1468 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap, 1469 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme, 1470 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan, 1471 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan, 1472 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid, 1473 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid, 1474 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate, 1475 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate, 1476 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts, 1477 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts, 1478 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag, 1479 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag, 1480 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower, 1481 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower, 1482 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry, 1483 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry, 1484 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode, 1485 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode, 1486 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower, 1487 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower, 1488 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie, 1489 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth, 1490 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth, 1491 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext, 1492 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa, 1493 }; 1494 1495 const struct iw_handler_def cfg80211_wext_handler = { 1496 .num_standard = ARRAY_SIZE(cfg80211_handlers), 1497 .standard = cfg80211_handlers, 1498 .get_wireless_stats = cfg80211_wireless_stats, 1499 }; 1500