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. if (!wdev)
  65. return -EOPNOTSUPP;
  66. rdev = wiphy_to_dev(wdev->wiphy);
  67. if (!rdev->ops->change_virtual_intf)
  68. return -EOPNOTSUPP;
  69. /* don't support changing VLANs, you just re-create them */
  70. if (wdev->iftype == NL80211_IFTYPE_AP_VLAN)
  71. return -EOPNOTSUPP;
  72. switch (*mode) {
  73. case IW_MODE_INFRA:
  74. type = NL80211_IFTYPE_STATION;
  75. break;
  76. case IW_MODE_ADHOC:
  77. type = NL80211_IFTYPE_ADHOC;
  78. break;
  79. case IW_MODE_REPEAT:
  80. type = NL80211_IFTYPE_WDS;
  81. break;
  82. case IW_MODE_MONITOR:
  83. type = NL80211_IFTYPE_MONITOR;
  84. break;
  85. default:
  86. return -EINVAL;
  87. }
  88. if (type == wdev->iftype)
  89. return 0;
  90. memset(&vifparams, 0, sizeof(vifparams));
  91. ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev, type,
  92. NULL, &vifparams);
  93. WARN_ON(!ret && wdev->iftype != type);
  94. return ret;
  95. }
  96. EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
  97. int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
  98. u32 *mode, char *extra)
  99. {
  100. struct wireless_dev *wdev = dev->ieee80211_ptr;
  101. if (!wdev)
  102. return -EOPNOTSUPP;
  103. switch (wdev->iftype) {
  104. case NL80211_IFTYPE_AP:
  105. *mode = IW_MODE_MASTER;
  106. break;
  107. case NL80211_IFTYPE_STATION:
  108. *mode = IW_MODE_INFRA;
  109. break;
  110. case NL80211_IFTYPE_ADHOC:
  111. *mode = IW_MODE_ADHOC;
  112. break;
  113. case NL80211_IFTYPE_MONITOR:
  114. *mode = IW_MODE_MONITOR;
  115. break;
  116. case NL80211_IFTYPE_WDS:
  117. *mode = IW_MODE_REPEAT;
  118. break;
  119. case NL80211_IFTYPE_AP_VLAN:
  120. *mode = IW_MODE_SECOND; /* FIXME */
  121. break;
  122. default:
  123. *mode = IW_MODE_AUTO;
  124. break;
  125. }
  126. return 0;
  127. }
  128. EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
  129. int cfg80211_wext_giwrange(struct net_device *dev,
  130. struct iw_request_info *info,
  131. struct iw_point *data, char *extra)
  132. {
  133. struct wireless_dev *wdev = dev->ieee80211_ptr;
  134. struct iw_range *range = (struct iw_range *) extra;
  135. enum ieee80211_band band;
  136. int i, c = 0;
  137. if (!wdev)
  138. return -EOPNOTSUPP;
  139. data->length = sizeof(struct iw_range);
  140. memset(range, 0, sizeof(struct iw_range));
  141. range->we_version_compiled = WIRELESS_EXT;
  142. range->we_version_source = 21;
  143. range->retry_capa = IW_RETRY_LIMIT;
  144. range->retry_flags = IW_RETRY_LIMIT;
  145. range->min_retry = 0;
  146. range->max_retry = 255;
  147. range->min_rts = 0;
  148. range->max_rts = 2347;
  149. range->min_frag = 256;
  150. range->max_frag = 2346;
  151. range->max_encoding_tokens = 4;
  152. range->max_qual.updated = IW_QUAL_NOISE_INVALID;
  153. switch (wdev->wiphy->signal_type) {
  154. case CFG80211_SIGNAL_TYPE_NONE:
  155. break;
  156. case CFG80211_SIGNAL_TYPE_MBM:
  157. range->max_qual.level = -110;
  158. range->max_qual.qual = 70;
  159. range->avg_qual.qual = 35;
  160. range->max_qual.updated |= IW_QUAL_DBM;
  161. range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
  162. range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
  163. break;
  164. case CFG80211_SIGNAL_TYPE_UNSPEC:
  165. range->max_qual.level = 100;
  166. range->max_qual.qual = 100;
  167. range->avg_qual.qual = 50;
  168. range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
  169. range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
  170. break;
  171. }
  172. range->avg_qual.level = range->max_qual.level / 2;
  173. range->avg_qual.noise = range->max_qual.noise / 2;
  174. range->avg_qual.updated = range->max_qual.updated;
  175. for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
  176. switch (wdev->wiphy->cipher_suites[i]) {
  177. case WLAN_CIPHER_SUITE_TKIP:
  178. range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
  179. IW_ENC_CAPA_WPA);
  180. break;
  181. case WLAN_CIPHER_SUITE_CCMP:
  182. range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
  183. IW_ENC_CAPA_WPA2);
  184. break;
  185. case WLAN_CIPHER_SUITE_WEP40:
  186. range->encoding_size[range->num_encoding_sizes++] =
  187. WLAN_KEY_LEN_WEP40;
  188. break;
  189. case WLAN_CIPHER_SUITE_WEP104:
  190. range->encoding_size[range->num_encoding_sizes++] =
  191. WLAN_KEY_LEN_WEP104;
  192. break;
  193. }
  194. }
  195. for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
  196. struct ieee80211_supported_band *sband;
  197. sband = wdev->wiphy->bands[band];
  198. if (!sband)
  199. continue;
  200. for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
  201. struct ieee80211_channel *chan = &sband->channels[i];
  202. if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
  203. range->freq[c].i =
  204. ieee80211_frequency_to_channel(
  205. chan->center_freq);
  206. range->freq[c].m = chan->center_freq;
  207. range->freq[c].e = 6;
  208. c++;
  209. }
  210. }
  211. }
  212. range->num_channels = c;
  213. range->num_frequency = c;
  214. IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
  215. IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
  216. IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
  217. if (wdev->wiphy->max_scan_ssids > 0)
  218. range->scan_capa |= IW_SCAN_CAPA_ESSID;
  219. return 0;
  220. }
  221. EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
  222. /**
  223. * cfg80211_wext_freq - get wext frequency for non-"auto"
  224. * @wiphy: the wiphy
  225. * @freq: the wext freq encoding
  226. *
  227. * Returns a frequency, or a negative error code, or 0 for auto.
  228. */
  229. int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
  230. {
  231. /*
  232. * Parse frequency - return 0 for auto and
  233. * -EINVAL for impossible things.
  234. */
  235. if (freq->e == 0) {
  236. if (freq->m < 0)
  237. return 0;
  238. return ieee80211_channel_to_frequency(freq->m);
  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. int cfg80211_wext_siwrts(struct net_device *dev,
  249. struct iw_request_info *info,
  250. struct iw_param *rts, char *extra)
  251. {
  252. struct wireless_dev *wdev = dev->ieee80211_ptr;
  253. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  254. u32 orts = wdev->wiphy->rts_threshold;
  255. int err;
  256. if (rts->disabled || !rts->fixed)
  257. wdev->wiphy->rts_threshold = (u32) -1;
  258. else if (rts->value < 0)
  259. return -EINVAL;
  260. else
  261. wdev->wiphy->rts_threshold = rts->value;
  262. err = rdev->ops->set_wiphy_params(wdev->wiphy,
  263. WIPHY_PARAM_RTS_THRESHOLD);
  264. if (err)
  265. wdev->wiphy->rts_threshold = orts;
  266. return err;
  267. }
  268. EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
  269. int cfg80211_wext_giwrts(struct net_device *dev,
  270. struct iw_request_info *info,
  271. struct iw_param *rts, char *extra)
  272. {
  273. struct wireless_dev *wdev = dev->ieee80211_ptr;
  274. rts->value = wdev->wiphy->rts_threshold;
  275. rts->disabled = rts->value == (u32) -1;
  276. rts->fixed = 1;
  277. return 0;
  278. }
  279. EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
  280. int cfg80211_wext_siwfrag(struct net_device *dev,
  281. struct iw_request_info *info,
  282. struct iw_param *frag, char *extra)
  283. {
  284. struct wireless_dev *wdev = dev->ieee80211_ptr;
  285. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  286. u32 ofrag = wdev->wiphy->frag_threshold;
  287. int err;
  288. if (frag->disabled || !frag->fixed)
  289. wdev->wiphy->frag_threshold = (u32) -1;
  290. else if (frag->value < 256)
  291. return -EINVAL;
  292. else {
  293. /* Fragment length must be even, so strip LSB. */
  294. wdev->wiphy->frag_threshold = frag->value & ~0x1;
  295. }
  296. err = rdev->ops->set_wiphy_params(wdev->wiphy,
  297. WIPHY_PARAM_FRAG_THRESHOLD);
  298. if (err)
  299. wdev->wiphy->frag_threshold = ofrag;
  300. return err;
  301. }
  302. EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
  303. int cfg80211_wext_giwfrag(struct net_device *dev,
  304. struct iw_request_info *info,
  305. struct iw_param *frag, char *extra)
  306. {
  307. struct wireless_dev *wdev = dev->ieee80211_ptr;
  308. frag->value = wdev->wiphy->frag_threshold;
  309. frag->disabled = frag->value == (u32) -1;
  310. frag->fixed = 1;
  311. return 0;
  312. }
  313. EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
  314. int cfg80211_wext_siwretry(struct net_device *dev,
  315. struct iw_request_info *info,
  316. struct iw_param *retry, char *extra)
  317. {
  318. struct wireless_dev *wdev = dev->ieee80211_ptr;
  319. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  320. u32 changed = 0;
  321. u8 olong = wdev->wiphy->retry_long;
  322. u8 oshort = wdev->wiphy->retry_short;
  323. int err;
  324. if (retry->disabled ||
  325. (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
  326. return -EINVAL;
  327. if (retry->flags & IW_RETRY_LONG) {
  328. wdev->wiphy->retry_long = retry->value;
  329. changed |= WIPHY_PARAM_RETRY_LONG;
  330. } else if (retry->flags & IW_RETRY_SHORT) {
  331. wdev->wiphy->retry_short = retry->value;
  332. changed |= WIPHY_PARAM_RETRY_SHORT;
  333. } else {
  334. wdev->wiphy->retry_short = retry->value;
  335. wdev->wiphy->retry_long = retry->value;
  336. changed |= WIPHY_PARAM_RETRY_LONG;
  337. changed |= WIPHY_PARAM_RETRY_SHORT;
  338. }
  339. if (!changed)
  340. return 0;
  341. err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
  342. if (err) {
  343. wdev->wiphy->retry_short = oshort;
  344. wdev->wiphy->retry_long = olong;
  345. }
  346. return err;
  347. }
  348. EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
  349. int cfg80211_wext_giwretry(struct net_device *dev,
  350. struct iw_request_info *info,
  351. struct iw_param *retry, char *extra)
  352. {
  353. struct wireless_dev *wdev = dev->ieee80211_ptr;
  354. retry->disabled = 0;
  355. if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
  356. /*
  357. * First return short value, iwconfig will ask long value
  358. * later if needed
  359. */
  360. retry->flags |= IW_RETRY_LIMIT;
  361. retry->value = wdev->wiphy->retry_short;
  362. if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
  363. retry->flags |= IW_RETRY_LONG;
  364. return 0;
  365. }
  366. if (retry->flags & IW_RETRY_LONG) {
  367. retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
  368. retry->value = wdev->wiphy->retry_long;
  369. }
  370. return 0;
  371. }
  372. EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
  373. static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
  374. struct net_device *dev, const u8 *addr,
  375. bool remove, bool tx_key, int idx,
  376. struct key_params *params)
  377. {
  378. struct wireless_dev *wdev = dev->ieee80211_ptr;
  379. int err, i;
  380. if (!wdev->wext.keys) {
  381. wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
  382. GFP_KERNEL);
  383. if (!wdev->wext.keys)
  384. return -ENOMEM;
  385. for (i = 0; i < 6; i++)
  386. wdev->wext.keys->params[i].key =
  387. wdev->wext.keys->data[i];
  388. }
  389. if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
  390. wdev->iftype != NL80211_IFTYPE_STATION)
  391. return -EOPNOTSUPP;
  392. if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
  393. if (!wdev->current_bss)
  394. return -ENOLINK;
  395. if (!rdev->ops->set_default_mgmt_key)
  396. return -EOPNOTSUPP;
  397. if (idx < 4 || idx > 5)
  398. return -EINVAL;
  399. } else if (idx < 0 || idx > 3)
  400. return -EINVAL;
  401. if (remove) {
  402. err = 0;
  403. if (wdev->current_bss)
  404. err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
  405. if (!err) {
  406. if (!addr) {
  407. wdev->wext.keys->params[idx].key_len = 0;
  408. wdev->wext.keys->params[idx].cipher = 0;
  409. }
  410. if (idx == wdev->wext.default_key)
  411. wdev->wext.default_key = -1;
  412. else if (idx == wdev->wext.default_mgmt_key)
  413. wdev->wext.default_mgmt_key = -1;
  414. }
  415. /*
  416. * Applications using wireless extensions expect to be
  417. * able to delete keys that don't exist, so allow that.
  418. */
  419. if (err == -ENOENT)
  420. return 0;
  421. return err;
  422. }
  423. if (addr)
  424. tx_key = false;
  425. if (cfg80211_validate_key_settings(rdev, params, idx, addr))
  426. return -EINVAL;
  427. err = 0;
  428. if (wdev->current_bss)
  429. err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
  430. if (err)
  431. return err;
  432. if (!addr) {
  433. wdev->wext.keys->params[idx] = *params;
  434. memcpy(wdev->wext.keys->data[idx],
  435. params->key, params->key_len);
  436. wdev->wext.keys->params[idx].key =
  437. wdev->wext.keys->data[idx];
  438. }
  439. if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
  440. params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
  441. (tx_key || (!addr && wdev->wext.default_key == -1))) {
  442. if (wdev->current_bss)
  443. err = rdev->ops->set_default_key(&rdev->wiphy,
  444. dev, idx);
  445. if (!err)
  446. wdev->wext.default_key = idx;
  447. return err;
  448. }
  449. if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
  450. (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
  451. if (wdev->current_bss)
  452. err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
  453. dev, idx);
  454. if (!err)
  455. wdev->wext.default_mgmt_key = idx;
  456. return err;
  457. }
  458. return 0;
  459. }
  460. static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
  461. struct net_device *dev, const u8 *addr,
  462. bool remove, bool tx_key, int idx,
  463. struct key_params *params)
  464. {
  465. int err;
  466. wdev_lock(dev->ieee80211_ptr);
  467. err = __cfg80211_set_encryption(rdev, dev, addr, remove,
  468. tx_key, idx, params);
  469. wdev_unlock(dev->ieee80211_ptr);
  470. return err;
  471. }
  472. int cfg80211_wext_siwencode(struct net_device *dev,
  473. struct iw_request_info *info,
  474. struct iw_point *erq, char *keybuf)
  475. {
  476. struct wireless_dev *wdev = dev->ieee80211_ptr;
  477. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  478. int idx, err;
  479. bool remove = false;
  480. struct key_params params;
  481. if (wdev->iftype != NL80211_IFTYPE_STATION &&
  482. wdev->iftype != NL80211_IFTYPE_ADHOC)
  483. return -EOPNOTSUPP;
  484. /* no use -- only MFP (set_default_mgmt_key) is optional */
  485. if (!rdev->ops->del_key ||
  486. !rdev->ops->add_key ||
  487. !rdev->ops->set_default_key)
  488. return -EOPNOTSUPP;
  489. idx = erq->flags & IW_ENCODE_INDEX;
  490. if (idx == 0) {
  491. idx = wdev->wext.default_key;
  492. if (idx < 0)
  493. idx = 0;
  494. } else if (idx < 1 || idx > 4)
  495. return -EINVAL;
  496. else
  497. idx--;
  498. if (erq->flags & IW_ENCODE_DISABLED)
  499. remove = true;
  500. else if (erq->length == 0) {
  501. /* No key data - just set the default TX key index */
  502. err = 0;
  503. wdev_lock(wdev);
  504. if (wdev->current_bss)
  505. err = rdev->ops->set_default_key(&rdev->wiphy,
  506. dev, idx);
  507. if (!err)
  508. wdev->wext.default_key = idx;
  509. wdev_unlock(wdev);
  510. return err;
  511. }
  512. memset(&params, 0, sizeof(params));
  513. params.key = keybuf;
  514. params.key_len = erq->length;
  515. if (erq->length == 5)
  516. params.cipher = WLAN_CIPHER_SUITE_WEP40;
  517. else if (erq->length == 13)
  518. params.cipher = WLAN_CIPHER_SUITE_WEP104;
  519. else if (!remove)
  520. return -EINVAL;
  521. return cfg80211_set_encryption(rdev, dev, NULL, remove,
  522. wdev->wext.default_key == -1,
  523. idx, &params);
  524. }
  525. EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
  526. int cfg80211_wext_siwencodeext(struct net_device *dev,
  527. struct iw_request_info *info,
  528. struct iw_point *erq, char *extra)
  529. {
  530. struct wireless_dev *wdev = dev->ieee80211_ptr;
  531. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  532. struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
  533. const u8 *addr;
  534. int idx;
  535. bool remove = false;
  536. struct key_params params;
  537. u32 cipher;
  538. if (wdev->iftype != NL80211_IFTYPE_STATION &&
  539. wdev->iftype != NL80211_IFTYPE_ADHOC)
  540. return -EOPNOTSUPP;
  541. /* no use -- only MFP (set_default_mgmt_key) is optional */
  542. if (!rdev->ops->del_key ||
  543. !rdev->ops->add_key ||
  544. !rdev->ops->set_default_key)
  545. return -EOPNOTSUPP;
  546. switch (ext->alg) {
  547. case IW_ENCODE_ALG_NONE:
  548. remove = true;
  549. cipher = 0;
  550. break;
  551. case IW_ENCODE_ALG_WEP:
  552. if (ext->key_len == 5)
  553. cipher = WLAN_CIPHER_SUITE_WEP40;
  554. else if (ext->key_len == 13)
  555. cipher = WLAN_CIPHER_SUITE_WEP104;
  556. else
  557. return -EINVAL;
  558. break;
  559. case IW_ENCODE_ALG_TKIP:
  560. cipher = WLAN_CIPHER_SUITE_TKIP;
  561. break;
  562. case IW_ENCODE_ALG_CCMP:
  563. cipher = WLAN_CIPHER_SUITE_CCMP;
  564. break;
  565. case IW_ENCODE_ALG_AES_CMAC:
  566. cipher = WLAN_CIPHER_SUITE_AES_CMAC;
  567. break;
  568. default:
  569. return -EOPNOTSUPP;
  570. }
  571. if (erq->flags & IW_ENCODE_DISABLED)
  572. remove = true;
  573. idx = erq->flags & IW_ENCODE_INDEX;
  574. if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
  575. if (idx < 4 || idx > 5) {
  576. idx = wdev->wext.default_mgmt_key;
  577. if (idx < 0)
  578. return -EINVAL;
  579. } else
  580. idx--;
  581. } else {
  582. if (idx < 1 || idx > 4) {
  583. idx = wdev->wext.default_key;
  584. if (idx < 0)
  585. return -EINVAL;
  586. } else
  587. idx--;
  588. }
  589. addr = ext->addr.sa_data;
  590. if (is_broadcast_ether_addr(addr))
  591. addr = NULL;
  592. memset(&params, 0, sizeof(params));
  593. params.key = ext->key;
  594. params.key_len = ext->key_len;
  595. params.cipher = cipher;
  596. if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
  597. params.seq = ext->rx_seq;
  598. params.seq_len = 6;
  599. }
  600. return cfg80211_set_encryption(
  601. rdev, dev, addr, remove,
  602. ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
  603. idx, &params);
  604. }
  605. EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
  606. int cfg80211_wext_giwencode(struct net_device *dev,
  607. struct iw_request_info *info,
  608. struct iw_point *erq, char *keybuf)
  609. {
  610. struct wireless_dev *wdev = dev->ieee80211_ptr;
  611. int idx;
  612. if (wdev->iftype != NL80211_IFTYPE_STATION &&
  613. wdev->iftype != NL80211_IFTYPE_ADHOC)
  614. return -EOPNOTSUPP;
  615. idx = erq->flags & IW_ENCODE_INDEX;
  616. if (idx == 0) {
  617. idx = wdev->wext.default_key;
  618. if (idx < 0)
  619. idx = 0;
  620. } else if (idx < 1 || idx > 4)
  621. return -EINVAL;
  622. else
  623. idx--;
  624. erq->flags = idx + 1;
  625. if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
  626. erq->flags |= IW_ENCODE_DISABLED;
  627. erq->length = 0;
  628. return 0;
  629. }
  630. erq->length = min_t(size_t, erq->length,
  631. wdev->wext.keys->params[idx].key_len);
  632. memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
  633. erq->flags |= IW_ENCODE_ENABLED;
  634. return 0;
  635. }
  636. EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
  637. int cfg80211_wext_siwfreq(struct net_device *dev,
  638. struct iw_request_info *info,
  639. struct iw_freq *wextfreq, char *extra)
  640. {
  641. struct wireless_dev *wdev = dev->ieee80211_ptr;
  642. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  643. int freq, err;
  644. switch (wdev->iftype) {
  645. case NL80211_IFTYPE_STATION:
  646. return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
  647. case NL80211_IFTYPE_ADHOC:
  648. return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
  649. default:
  650. freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
  651. if (freq < 0)
  652. return freq;
  653. if (freq == 0)
  654. return -EINVAL;
  655. mutex_lock(&rdev->devlist_mtx);
  656. err = rdev_set_freq(rdev, freq, NL80211_CHAN_NO_HT);
  657. mutex_unlock(&rdev->devlist_mtx);
  658. return err;
  659. }
  660. }
  661. int cfg80211_wext_giwfreq(struct net_device *dev,
  662. struct iw_request_info *info,
  663. struct iw_freq *freq, char *extra)
  664. {
  665. struct wireless_dev *wdev = dev->ieee80211_ptr;
  666. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  667. switch (wdev->iftype) {
  668. case NL80211_IFTYPE_STATION:
  669. return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
  670. case NL80211_IFTYPE_ADHOC:
  671. return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
  672. default:
  673. if (!rdev->channel)
  674. return -EINVAL;
  675. freq->m = rdev->channel->center_freq;
  676. freq->e = 6;
  677. return 0;
  678. }
  679. }
  680. EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
  681. int cfg80211_wext_siwtxpower(struct net_device *dev,
  682. struct iw_request_info *info,
  683. union iwreq_data *data, char *extra)
  684. {
  685. struct wireless_dev *wdev = dev->ieee80211_ptr;
  686. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  687. enum tx_power_setting type;
  688. int dbm = 0;
  689. if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
  690. return -EINVAL;
  691. if (data->txpower.flags & IW_TXPOW_RANGE)
  692. return -EINVAL;
  693. if (!rdev->ops->set_tx_power)
  694. return -EOPNOTSUPP;
  695. /* only change when not disabling */
  696. if (!data->txpower.disabled) {
  697. rfkill_set_sw_state(rdev->rfkill, false);
  698. if (data->txpower.fixed) {
  699. /*
  700. * wext doesn't support negative values, see
  701. * below where it's for automatic
  702. */
  703. if (data->txpower.value < 0)
  704. return -EINVAL;
  705. dbm = data->txpower.value;
  706. type = TX_POWER_FIXED;
  707. /* TODO: do regulatory check! */
  708. } else {
  709. /*
  710. * Automatic power level setting, max being the value
  711. * passed in from userland.
  712. */
  713. if (data->txpower.value < 0) {
  714. type = TX_POWER_AUTOMATIC;
  715. } else {
  716. dbm = data->txpower.value;
  717. type = TX_POWER_LIMITED;
  718. }
  719. }
  720. } else {
  721. rfkill_set_sw_state(rdev->rfkill, true);
  722. schedule_work(&rdev->rfkill_sync);
  723. return 0;
  724. }
  725. return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);;
  726. }
  727. EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
  728. int cfg80211_wext_giwtxpower(struct net_device *dev,
  729. struct iw_request_info *info,
  730. union iwreq_data *data, char *extra)
  731. {
  732. struct wireless_dev *wdev = dev->ieee80211_ptr;
  733. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  734. int err, val;
  735. if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
  736. return -EINVAL;
  737. if (data->txpower.flags & IW_TXPOW_RANGE)
  738. return -EINVAL;
  739. if (!rdev->ops->get_tx_power)
  740. return -EOPNOTSUPP;
  741. err = rdev->ops->get_tx_power(wdev->wiphy, &val);
  742. if (err)
  743. return err;
  744. /* well... oh well */
  745. data->txpower.fixed = 1;
  746. data->txpower.disabled = rfkill_blocked(rdev->rfkill);
  747. data->txpower.value = val;
  748. data->txpower.flags = IW_TXPOW_DBM;
  749. return 0;
  750. }
  751. EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
  752. static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
  753. s32 auth_alg)
  754. {
  755. int nr_alg = 0;
  756. if (!auth_alg)
  757. return -EINVAL;
  758. if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
  759. IW_AUTH_ALG_SHARED_KEY |
  760. IW_AUTH_ALG_LEAP))
  761. return -EINVAL;
  762. if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
  763. nr_alg++;
  764. wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
  765. }
  766. if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
  767. nr_alg++;
  768. wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
  769. }
  770. if (auth_alg & IW_AUTH_ALG_LEAP) {
  771. nr_alg++;
  772. wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
  773. }
  774. if (nr_alg > 1)
  775. wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
  776. return 0;
  777. }
  778. static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
  779. {
  780. wdev->wext.connect.crypto.wpa_versions = 0;
  781. if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
  782. IW_AUTH_WPA_VERSION_WPA2|
  783. IW_AUTH_WPA_VERSION_DISABLED))
  784. return -EINVAL;
  785. if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
  786. (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
  787. IW_AUTH_WPA_VERSION_WPA2)))
  788. return -EINVAL;
  789. if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
  790. wdev->wext.connect.crypto.wpa_versions &=
  791. ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
  792. if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
  793. wdev->wext.connect.crypto.wpa_versions |=
  794. NL80211_WPA_VERSION_1;
  795. if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
  796. wdev->wext.connect.crypto.wpa_versions |=
  797. NL80211_WPA_VERSION_2;
  798. return 0;
  799. }
  800. static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
  801. {
  802. wdev->wext.connect.crypto.cipher_group = 0;
  803. if (cipher & IW_AUTH_CIPHER_WEP40)
  804. wdev->wext.connect.crypto.cipher_group =
  805. WLAN_CIPHER_SUITE_WEP40;
  806. else if (cipher & IW_AUTH_CIPHER_WEP104)
  807. wdev->wext.connect.crypto.cipher_group =
  808. WLAN_CIPHER_SUITE_WEP104;
  809. else if (cipher & IW_AUTH_CIPHER_TKIP)
  810. wdev->wext.connect.crypto.cipher_group =
  811. WLAN_CIPHER_SUITE_TKIP;
  812. else if (cipher & IW_AUTH_CIPHER_CCMP)
  813. wdev->wext.connect.crypto.cipher_group =
  814. WLAN_CIPHER_SUITE_CCMP;
  815. else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
  816. wdev->wext.connect.crypto.cipher_group =
  817. WLAN_CIPHER_SUITE_AES_CMAC;
  818. else
  819. return -EINVAL;
  820. return 0;
  821. }
  822. static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
  823. {
  824. int nr_ciphers = 0;
  825. u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
  826. if (cipher & IW_AUTH_CIPHER_WEP40) {
  827. ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
  828. nr_ciphers++;
  829. }
  830. if (cipher & IW_AUTH_CIPHER_WEP104) {
  831. ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
  832. nr_ciphers++;
  833. }
  834. if (cipher & IW_AUTH_CIPHER_TKIP) {
  835. ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
  836. nr_ciphers++;
  837. }
  838. if (cipher & IW_AUTH_CIPHER_CCMP) {
  839. ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
  840. nr_ciphers++;
  841. }
  842. if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
  843. ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
  844. nr_ciphers++;
  845. }
  846. BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
  847. wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
  848. return 0;
  849. }
  850. static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
  851. {
  852. int nr_akm_suites = 0;
  853. if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
  854. IW_AUTH_KEY_MGMT_PSK))
  855. return -EINVAL;
  856. if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
  857. wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
  858. WLAN_AKM_SUITE_8021X;
  859. nr_akm_suites++;
  860. }
  861. if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
  862. wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
  863. WLAN_AKM_SUITE_PSK;
  864. nr_akm_suites++;
  865. }
  866. wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
  867. return 0;
  868. }
  869. int cfg80211_wext_siwauth(struct net_device *dev,
  870. struct iw_request_info *info,
  871. struct iw_param *data, char *extra)
  872. {
  873. struct wireless_dev *wdev = dev->ieee80211_ptr;
  874. if (wdev->iftype != NL80211_IFTYPE_STATION)
  875. return -EOPNOTSUPP;
  876. switch (data->flags & IW_AUTH_INDEX) {
  877. case IW_AUTH_PRIVACY_INVOKED:
  878. wdev->wext.connect.privacy = data->value;
  879. return 0;
  880. case IW_AUTH_WPA_VERSION:
  881. return cfg80211_set_wpa_version(wdev, data->value);
  882. case IW_AUTH_CIPHER_GROUP:
  883. return cfg80211_set_cipher_group(wdev, data->value);
  884. case IW_AUTH_KEY_MGMT:
  885. return cfg80211_set_key_mgt(wdev, data->value);
  886. case IW_AUTH_CIPHER_PAIRWISE:
  887. return cfg80211_set_cipher_pairwise(wdev, data->value);
  888. case IW_AUTH_80211_AUTH_ALG:
  889. return cfg80211_set_auth_alg(wdev, data->value);
  890. case IW_AUTH_WPA_ENABLED:
  891. case IW_AUTH_RX_UNENCRYPTED_EAPOL:
  892. case IW_AUTH_DROP_UNENCRYPTED:
  893. case IW_AUTH_MFP:
  894. return 0;
  895. default:
  896. return -EOPNOTSUPP;
  897. }
  898. }
  899. EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
  900. int cfg80211_wext_giwauth(struct net_device *dev,
  901. struct iw_request_info *info,
  902. struct iw_param *data, char *extra)
  903. {
  904. /* XXX: what do we need? */
  905. return -EOPNOTSUPP;
  906. }
  907. EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
  908. int cfg80211_wext_siwpower(struct net_device *dev,
  909. struct iw_request_info *info,
  910. struct iw_param *wrq, char *extra)
  911. {
  912. struct wireless_dev *wdev = dev->ieee80211_ptr;
  913. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  914. bool ps = wdev->wext.ps;
  915. int timeout = wdev->wext.ps_timeout;
  916. int err;
  917. if (wdev->iftype != NL80211_IFTYPE_STATION)
  918. return -EINVAL;
  919. if (!rdev->ops->set_power_mgmt)
  920. return -EOPNOTSUPP;
  921. if (wrq->disabled) {
  922. ps = false;
  923. } else {
  924. switch (wrq->flags & IW_POWER_MODE) {
  925. case IW_POWER_ON: /* If not specified */
  926. case IW_POWER_MODE: /* If set all mask */
  927. case IW_POWER_ALL_R: /* If explicitely state all */
  928. ps = true;
  929. break;
  930. default: /* Otherwise we ignore */
  931. return -EINVAL;
  932. }
  933. if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
  934. return -EINVAL;
  935. if (wrq->flags & IW_POWER_TIMEOUT)
  936. timeout = wrq->value / 1000;
  937. }
  938. err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
  939. if (err)
  940. return err;
  941. wdev->wext.ps = ps;
  942. wdev->wext.ps_timeout = timeout;
  943. return 0;
  944. }
  945. EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
  946. int cfg80211_wext_giwpower(struct net_device *dev,
  947. struct iw_request_info *info,
  948. struct iw_param *wrq, char *extra)
  949. {
  950. struct wireless_dev *wdev = dev->ieee80211_ptr;
  951. wrq->disabled = !wdev->wext.ps;
  952. return 0;
  953. }
  954. EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
  955. static int cfg80211_wds_wext_siwap(struct net_device *dev,
  956. struct iw_request_info *info,
  957. struct sockaddr *addr, char *extra)
  958. {
  959. struct wireless_dev *wdev = dev->ieee80211_ptr;
  960. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  961. int err;
  962. if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
  963. return -EINVAL;
  964. if (addr->sa_family != ARPHRD_ETHER)
  965. return -EINVAL;
  966. if (netif_running(dev))
  967. return -EBUSY;
  968. if (!rdev->ops->set_wds_peer)
  969. return -EOPNOTSUPP;
  970. err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
  971. if (err)
  972. return err;
  973. memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
  974. return 0;
  975. }
  976. static int cfg80211_wds_wext_giwap(struct net_device *dev,
  977. struct iw_request_info *info,
  978. struct sockaddr *addr, char *extra)
  979. {
  980. struct wireless_dev *wdev = dev->ieee80211_ptr;
  981. if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
  982. return -EINVAL;
  983. addr->sa_family = ARPHRD_ETHER;
  984. memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
  985. return 0;
  986. }
  987. int cfg80211_wext_siwrate(struct net_device *dev,
  988. struct iw_request_info *info,
  989. struct iw_param *rate, char *extra)
  990. {
  991. struct wireless_dev *wdev = dev->ieee80211_ptr;
  992. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  993. struct cfg80211_bitrate_mask mask;
  994. if (!rdev->ops->set_bitrate_mask)
  995. return -EOPNOTSUPP;
  996. mask.fixed = 0;
  997. mask.maxrate = 0;
  998. if (rate->value < 0) {
  999. /* nothing */
  1000. } else if (rate->fixed) {
  1001. mask.fixed = rate->value / 1000; /* kbps */
  1002. } else {
  1003. mask.maxrate = rate->value / 1000; /* kbps */
  1004. }
  1005. return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
  1006. }
  1007. EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
  1008. int cfg80211_wext_giwrate(struct net_device *dev,
  1009. struct iw_request_info *info,
  1010. struct iw_param *rate, char *extra)
  1011. {
  1012. struct wireless_dev *wdev = dev->ieee80211_ptr;
  1013. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  1014. /* we are under RTNL - globally locked - so can use a static struct */
  1015. static struct station_info sinfo;
  1016. u8 addr[ETH_ALEN];
  1017. int err;
  1018. if (wdev->iftype != NL80211_IFTYPE_STATION)
  1019. return -EOPNOTSUPP;
  1020. if (!rdev->ops->get_station)
  1021. return -EOPNOTSUPP;
  1022. err = 0;
  1023. wdev_lock(wdev);
  1024. if (wdev->current_bss)
  1025. memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
  1026. else
  1027. err = -EOPNOTSUPP;
  1028. wdev_unlock(wdev);
  1029. if (err)
  1030. return err;
  1031. err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
  1032. if (err)
  1033. return err;
  1034. if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
  1035. return -EOPNOTSUPP;
  1036. rate->value = 0;
  1037. if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS))
  1038. rate->value = 100000 * sinfo.txrate.legacy;
  1039. return 0;
  1040. }
  1041. EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
  1042. /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
  1043. struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
  1044. {
  1045. struct wireless_dev *wdev = dev->ieee80211_ptr;
  1046. struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  1047. /* we are under RTNL - globally locked - so can use static structs */
  1048. static struct iw_statistics wstats;
  1049. static struct station_info sinfo;
  1050. u8 bssid[ETH_ALEN];
  1051. if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
  1052. return NULL;
  1053. if (!rdev->ops->get_station)
  1054. return NULL;
  1055. /* Grab BSSID of current BSS, if any */
  1056. wdev_lock(wdev);
  1057. if (!wdev->current_bss) {
  1058. wdev_unlock(wdev);
  1059. return NULL;
  1060. }
  1061. memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
  1062. wdev_unlock(wdev);
  1063. if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
  1064. return NULL;
  1065. memset(&wstats, 0, sizeof(wstats));
  1066. switch (rdev->wiphy.signal_type) {
  1067. case CFG80211_SIGNAL_TYPE_MBM:
  1068. if (sinfo.filled & STATION_INFO_SIGNAL) {
  1069. int sig = sinfo.signal;
  1070. wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
  1071. wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
  1072. wstats.qual.updated |= IW_QUAL_DBM;
  1073. wstats.qual.level = sig;
  1074. if (sig < -110)
  1075. sig = -110;
  1076. else if (sig > -40)
  1077. sig = -40;
  1078. wstats.qual.qual = sig + 110;
  1079. break;
  1080. }
  1081. case CFG80211_SIGNAL_TYPE_UNSPEC:
  1082. if (sinfo.filled & STATION_INFO_SIGNAL) {
  1083. wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
  1084. wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
  1085. wstats.qual.level = sinfo.signal;
  1086. wstats.qual.qual = sinfo.signal;
  1087. break;
  1088. }
  1089. default:
  1090. wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
  1091. wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
  1092. }
  1093. wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
  1094. return &wstats;
  1095. }
  1096. EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
  1097. int cfg80211_wext_siwap(struct net_device *dev,
  1098. struct iw_request_info *info,
  1099. struct sockaddr *ap_addr, char *extra)
  1100. {
  1101. struct wireless_dev *wdev = dev->ieee80211_ptr;
  1102. switch (wdev->iftype) {
  1103. case NL80211_IFTYPE_ADHOC:
  1104. return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
  1105. case NL80211_IFTYPE_STATION:
  1106. return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
  1107. case NL80211_IFTYPE_WDS:
  1108. return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
  1109. default:
  1110. return -EOPNOTSUPP;
  1111. }
  1112. }
  1113. EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
  1114. int cfg80211_wext_giwap(struct net_device *dev,
  1115. struct iw_request_info *info,
  1116. struct sockaddr *ap_addr, char *extra)
  1117. {
  1118. struct wireless_dev *wdev = dev->ieee80211_ptr;
  1119. switch (wdev->iftype) {
  1120. case NL80211_IFTYPE_ADHOC:
  1121. return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
  1122. case NL80211_IFTYPE_STATION:
  1123. return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
  1124. case NL80211_IFTYPE_WDS:
  1125. return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
  1126. default:
  1127. return -EOPNOTSUPP;
  1128. }
  1129. }
  1130. EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
  1131. int cfg80211_wext_siwessid(struct net_device *dev,
  1132. struct iw_request_info *info,
  1133. struct iw_point *data, char *ssid)
  1134. {
  1135. struct wireless_dev *wdev = dev->ieee80211_ptr;
  1136. switch (wdev->iftype) {
  1137. case NL80211_IFTYPE_ADHOC:
  1138. return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
  1139. case NL80211_IFTYPE_STATION:
  1140. return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
  1141. default:
  1142. return -EOPNOTSUPP;
  1143. }
  1144. }
  1145. EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
  1146. int cfg80211_wext_giwessid(struct net_device *dev,
  1147. struct iw_request_info *info,
  1148. struct iw_point *data, char *ssid)
  1149. {
  1150. struct wireless_dev *wdev = dev->ieee80211_ptr;
  1151. switch (wdev->iftype) {
  1152. case NL80211_IFTYPE_ADHOC:
  1153. return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
  1154. case NL80211_IFTYPE_STATION:
  1155. return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
  1156. default:
  1157. return -EOPNOTSUPP;
  1158. }
  1159. }
  1160. EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
  1161. static const iw_handler cfg80211_handlers[] = {
  1162. [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
  1163. [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
  1164. [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
  1165. [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
  1166. [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
  1167. [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
  1168. [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
  1169. [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
  1170. [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
  1171. [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
  1172. [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
  1173. [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
  1174. [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
  1175. [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
  1176. [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
  1177. [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
  1178. [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
  1179. [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
  1180. [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
  1181. [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
  1182. [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
  1183. [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
  1184. [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
  1185. [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
  1186. [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
  1187. [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
  1188. [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
  1189. [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
  1190. [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
  1191. [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
  1192. [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
  1193. };
  1194. const struct iw_handler_def cfg80211_wext_handler = {
  1195. .num_standard = ARRAY_SIZE(cfg80211_handlers),
  1196. .standard = cfg80211_handlers,
  1197. .get_wireless_stats = cfg80211_wireless_stats,
  1198. };