wext-compat.c 36 KB

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