ieee80211_ioctl.c 36 KB

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  1. /*
  2. * Copyright 2002-2005, Instant802 Networks, Inc.
  3. * Copyright 2005-2006, Devicescape Software, Inc.
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License version 2 as
  7. * published by the Free Software Foundation.
  8. */
  9. #include <linux/module.h>
  10. #include <linux/init.h>
  11. #include <linux/netdevice.h>
  12. #include <linux/types.h>
  13. #include <linux/slab.h>
  14. #include <linux/skbuff.h>
  15. #include <linux/etherdevice.h>
  16. #include <linux/if_arp.h>
  17. #include <linux/wireless.h>
  18. #include <net/iw_handler.h>
  19. #include <asm/uaccess.h>
  20. #include <net/mac80211.h>
  21. #include "ieee80211_i.h"
  22. #include "hostapd_ioctl.h"
  23. #include "ieee80211_rate.h"
  24. #include "wpa.h"
  25. #include "aes_ccm.h"
  26. /*
  27. * Wow. This ioctl interface is such crap, it's tied
  28. * to internal definitions. I hope it dies soon.
  29. */
  30. static int mode_to_hostapd_mode(enum ieee80211_phymode mode)
  31. {
  32. switch (mode) {
  33. case MODE_IEEE80211A:
  34. return 0;
  35. case MODE_IEEE80211B:
  36. return 1;
  37. case MODE_IEEE80211G:
  38. return 3;
  39. case NUM_IEEE80211_MODES:
  40. WARN_ON(1);
  41. break;
  42. }
  43. WARN_ON(1);
  44. return -1;
  45. }
  46. static enum ieee80211_phymode hostapd_mode_to_mode(int hostapd_mode)
  47. {
  48. switch (hostapd_mode) {
  49. case 0:
  50. return MODE_IEEE80211A;
  51. case 1:
  52. return MODE_IEEE80211B;
  53. case 3:
  54. return MODE_IEEE80211G;
  55. }
  56. return NUM_IEEE80211_MODES;
  57. }
  58. static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
  59. int idx, int alg, int set_tx_key,
  60. const u8 *_key, size_t key_len)
  61. {
  62. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  63. int ret = 0;
  64. struct sta_info *sta;
  65. struct ieee80211_key *key;
  66. struct ieee80211_sub_if_data *sdata;
  67. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  68. if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
  69. printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
  70. dev->name, idx);
  71. return -EINVAL;
  72. }
  73. if (is_broadcast_ether_addr(sta_addr)) {
  74. sta = NULL;
  75. key = sdata->keys[idx];
  76. } else {
  77. set_tx_key = 0;
  78. /*
  79. * According to the standard, the key index of a pairwise
  80. * key must be zero. However, some AP are broken when it
  81. * comes to WEP key indices, so we work around this.
  82. */
  83. if (idx != 0 && alg != ALG_WEP) {
  84. printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
  85. "individual key\n", dev->name);
  86. return -EINVAL;
  87. }
  88. sta = sta_info_get(local, sta_addr);
  89. if (!sta) {
  90. #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
  91. DECLARE_MAC_BUF(mac);
  92. printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
  93. "%s\n",
  94. dev->name, print_mac(mac, sta_addr));
  95. #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
  96. return -ENOENT;
  97. }
  98. key = sta->key;
  99. }
  100. if (alg == ALG_NONE) {
  101. ieee80211_key_free(key);
  102. key = NULL;
  103. } else {
  104. /*
  105. * Automatically frees any old key if present.
  106. */
  107. key = ieee80211_key_alloc(sdata, sta, alg, idx, key_len, _key);
  108. if (!key) {
  109. ret = -ENOMEM;
  110. goto err_out;
  111. }
  112. }
  113. if (set_tx_key || (!sta && !sdata->default_key && key))
  114. ieee80211_set_default_key(sdata, idx);
  115. ret = 0;
  116. err_out:
  117. if (sta)
  118. sta_info_put(sta);
  119. return ret;
  120. }
  121. static int ieee80211_ioctl_siwgenie(struct net_device *dev,
  122. struct iw_request_info *info,
  123. struct iw_point *data, char *extra)
  124. {
  125. struct ieee80211_sub_if_data *sdata;
  126. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  127. if (local->user_space_mlme)
  128. return -EOPNOTSUPP;
  129. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  130. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  131. sdata->type == IEEE80211_IF_TYPE_IBSS) {
  132. int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
  133. if (ret)
  134. return ret;
  135. sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
  136. ieee80211_sta_req_auth(dev, &sdata->u.sta);
  137. return 0;
  138. }
  139. if (sdata->type == IEEE80211_IF_TYPE_AP) {
  140. kfree(sdata->u.ap.generic_elem);
  141. sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL);
  142. if (!sdata->u.ap.generic_elem)
  143. return -ENOMEM;
  144. memcpy(sdata->u.ap.generic_elem, extra, data->length);
  145. sdata->u.ap.generic_elem_len = data->length;
  146. return ieee80211_if_config(dev);
  147. }
  148. return -EOPNOTSUPP;
  149. }
  150. static int ieee80211_ioctl_giwname(struct net_device *dev,
  151. struct iw_request_info *info,
  152. char *name, char *extra)
  153. {
  154. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  155. switch (local->hw.conf.phymode) {
  156. case MODE_IEEE80211A:
  157. strcpy(name, "IEEE 802.11a");
  158. break;
  159. case MODE_IEEE80211B:
  160. strcpy(name, "IEEE 802.11b");
  161. break;
  162. case MODE_IEEE80211G:
  163. strcpy(name, "IEEE 802.11g");
  164. break;
  165. default:
  166. strcpy(name, "IEEE 802.11");
  167. break;
  168. }
  169. return 0;
  170. }
  171. static int ieee80211_ioctl_giwrange(struct net_device *dev,
  172. struct iw_request_info *info,
  173. struct iw_point *data, char *extra)
  174. {
  175. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  176. struct iw_range *range = (struct iw_range *) extra;
  177. struct ieee80211_hw_mode *mode = NULL;
  178. int c = 0;
  179. data->length = sizeof(struct iw_range);
  180. memset(range, 0, sizeof(struct iw_range));
  181. range->we_version_compiled = WIRELESS_EXT;
  182. range->we_version_source = 21;
  183. range->retry_capa = IW_RETRY_LIMIT;
  184. range->retry_flags = IW_RETRY_LIMIT;
  185. range->min_retry = 0;
  186. range->max_retry = 255;
  187. range->min_rts = 0;
  188. range->max_rts = 2347;
  189. range->min_frag = 256;
  190. range->max_frag = 2346;
  191. range->encoding_size[0] = 5;
  192. range->encoding_size[1] = 13;
  193. range->num_encoding_sizes = 2;
  194. range->max_encoding_tokens = NUM_DEFAULT_KEYS;
  195. range->max_qual.qual = local->hw.max_signal;
  196. range->max_qual.level = local->hw.max_rssi;
  197. range->max_qual.noise = local->hw.max_noise;
  198. range->max_qual.updated = local->wstats_flags;
  199. range->avg_qual.qual = local->hw.max_signal/2;
  200. range->avg_qual.level = 0;
  201. range->avg_qual.noise = 0;
  202. range->avg_qual.updated = local->wstats_flags;
  203. range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
  204. IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
  205. list_for_each_entry(mode, &local->modes_list, list) {
  206. int i = 0;
  207. if (!(local->enabled_modes & (1 << mode->mode)) ||
  208. (local->hw_modes & local->enabled_modes &
  209. (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B))
  210. continue;
  211. while (i < mode->num_channels && c < IW_MAX_FREQUENCIES) {
  212. struct ieee80211_channel *chan = &mode->channels[i];
  213. if (chan->flag & IEEE80211_CHAN_W_SCAN) {
  214. range->freq[c].i = chan->chan;
  215. range->freq[c].m = chan->freq * 100000;
  216. range->freq[c].e = 1;
  217. c++;
  218. }
  219. i++;
  220. }
  221. }
  222. range->num_channels = c;
  223. range->num_frequency = c;
  224. IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
  225. IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
  226. IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
  227. IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
  228. return 0;
  229. }
  230. static int ieee80211_ioctl_siwmode(struct net_device *dev,
  231. struct iw_request_info *info,
  232. __u32 *mode, char *extra)
  233. {
  234. struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  235. int type;
  236. if (sdata->type == IEEE80211_IF_TYPE_VLAN)
  237. return -EOPNOTSUPP;
  238. switch (*mode) {
  239. case IW_MODE_INFRA:
  240. type = IEEE80211_IF_TYPE_STA;
  241. break;
  242. case IW_MODE_ADHOC:
  243. type = IEEE80211_IF_TYPE_IBSS;
  244. break;
  245. case IW_MODE_MONITOR:
  246. type = IEEE80211_IF_TYPE_MNTR;
  247. break;
  248. default:
  249. return -EINVAL;
  250. }
  251. if (type == sdata->type)
  252. return 0;
  253. if (netif_running(dev))
  254. return -EBUSY;
  255. ieee80211_if_reinit(dev);
  256. ieee80211_if_set_type(dev, type);
  257. return 0;
  258. }
  259. static int ieee80211_ioctl_giwmode(struct net_device *dev,
  260. struct iw_request_info *info,
  261. __u32 *mode, char *extra)
  262. {
  263. struct ieee80211_sub_if_data *sdata;
  264. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  265. switch (sdata->type) {
  266. case IEEE80211_IF_TYPE_AP:
  267. *mode = IW_MODE_MASTER;
  268. break;
  269. case IEEE80211_IF_TYPE_STA:
  270. *mode = IW_MODE_INFRA;
  271. break;
  272. case IEEE80211_IF_TYPE_IBSS:
  273. *mode = IW_MODE_ADHOC;
  274. break;
  275. case IEEE80211_IF_TYPE_MNTR:
  276. *mode = IW_MODE_MONITOR;
  277. break;
  278. case IEEE80211_IF_TYPE_WDS:
  279. *mode = IW_MODE_REPEAT;
  280. break;
  281. case IEEE80211_IF_TYPE_VLAN:
  282. *mode = IW_MODE_SECOND; /* FIXME */
  283. break;
  284. default:
  285. *mode = IW_MODE_AUTO;
  286. break;
  287. }
  288. return 0;
  289. }
  290. int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
  291. {
  292. struct ieee80211_hw_mode *mode;
  293. int c, set = 0;
  294. int ret = -EINVAL;
  295. list_for_each_entry(mode, &local->modes_list, list) {
  296. if (!(local->enabled_modes & (1 << mode->mode)))
  297. continue;
  298. for (c = 0; c < mode->num_channels; c++) {
  299. struct ieee80211_channel *chan = &mode->channels[c];
  300. if (chan->flag & IEEE80211_CHAN_W_SCAN &&
  301. ((chan->chan == channel) || (chan->freq == freq))) {
  302. /* Use next_mode as the mode preference to
  303. * resolve non-unique channel numbers. */
  304. if (set && mode->mode != local->next_mode)
  305. continue;
  306. local->oper_channel = chan;
  307. local->oper_hw_mode = mode;
  308. set++;
  309. }
  310. }
  311. }
  312. if (set) {
  313. if (local->sta_scanning)
  314. ret = 0;
  315. else
  316. ret = ieee80211_hw_config(local);
  317. rate_control_clear(local);
  318. }
  319. return ret;
  320. }
  321. static int ieee80211_ioctl_siwfreq(struct net_device *dev,
  322. struct iw_request_info *info,
  323. struct iw_freq *freq, char *extra)
  324. {
  325. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  326. struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  327. if (sdata->type == IEEE80211_IF_TYPE_STA)
  328. sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
  329. /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
  330. if (freq->e == 0) {
  331. if (freq->m < 0) {
  332. if (sdata->type == IEEE80211_IF_TYPE_STA)
  333. sdata->u.sta.flags |=
  334. IEEE80211_STA_AUTO_CHANNEL_SEL;
  335. return 0;
  336. } else
  337. return ieee80211_set_channel(local, freq->m, -1);
  338. } else {
  339. int i, div = 1000000;
  340. for (i = 0; i < freq->e; i++)
  341. div /= 10;
  342. if (div > 0)
  343. return ieee80211_set_channel(local, -1, freq->m / div);
  344. else
  345. return -EINVAL;
  346. }
  347. }
  348. static int ieee80211_ioctl_giwfreq(struct net_device *dev,
  349. struct iw_request_info *info,
  350. struct iw_freq *freq, char *extra)
  351. {
  352. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  353. /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
  354. * driver for the current channel with firmware-based management */
  355. freq->m = local->hw.conf.freq;
  356. freq->e = 6;
  357. return 0;
  358. }
  359. static int ieee80211_ioctl_siwessid(struct net_device *dev,
  360. struct iw_request_info *info,
  361. struct iw_point *data, char *ssid)
  362. {
  363. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  364. struct ieee80211_sub_if_data *sdata;
  365. size_t len = data->length;
  366. /* iwconfig uses nul termination in SSID.. */
  367. if (len > 0 && ssid[len - 1] == '\0')
  368. len--;
  369. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  370. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  371. sdata->type == IEEE80211_IF_TYPE_IBSS) {
  372. int ret;
  373. if (local->user_space_mlme) {
  374. if (len > IEEE80211_MAX_SSID_LEN)
  375. return -EINVAL;
  376. memcpy(sdata->u.sta.ssid, ssid, len);
  377. sdata->u.sta.ssid_len = len;
  378. return 0;
  379. }
  380. if (data->flags)
  381. sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
  382. else
  383. sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
  384. ret = ieee80211_sta_set_ssid(dev, ssid, len);
  385. if (ret)
  386. return ret;
  387. ieee80211_sta_req_auth(dev, &sdata->u.sta);
  388. return 0;
  389. }
  390. if (sdata->type == IEEE80211_IF_TYPE_AP) {
  391. memcpy(sdata->u.ap.ssid, ssid, len);
  392. memset(sdata->u.ap.ssid + len, 0,
  393. IEEE80211_MAX_SSID_LEN - len);
  394. sdata->u.ap.ssid_len = len;
  395. return ieee80211_if_config(dev);
  396. }
  397. return -EOPNOTSUPP;
  398. }
  399. static int ieee80211_ioctl_giwessid(struct net_device *dev,
  400. struct iw_request_info *info,
  401. struct iw_point *data, char *ssid)
  402. {
  403. size_t len;
  404. struct ieee80211_sub_if_data *sdata;
  405. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  406. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  407. sdata->type == IEEE80211_IF_TYPE_IBSS) {
  408. int res = ieee80211_sta_get_ssid(dev, ssid, &len);
  409. if (res == 0) {
  410. data->length = len;
  411. data->flags = 1;
  412. } else
  413. data->flags = 0;
  414. return res;
  415. }
  416. if (sdata->type == IEEE80211_IF_TYPE_AP) {
  417. len = sdata->u.ap.ssid_len;
  418. if (len > IW_ESSID_MAX_SIZE)
  419. len = IW_ESSID_MAX_SIZE;
  420. memcpy(ssid, sdata->u.ap.ssid, len);
  421. data->length = len;
  422. data->flags = 1;
  423. return 0;
  424. }
  425. return -EOPNOTSUPP;
  426. }
  427. static int ieee80211_ioctl_siwap(struct net_device *dev,
  428. struct iw_request_info *info,
  429. struct sockaddr *ap_addr, char *extra)
  430. {
  431. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  432. struct ieee80211_sub_if_data *sdata;
  433. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  434. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  435. sdata->type == IEEE80211_IF_TYPE_IBSS) {
  436. int ret;
  437. if (local->user_space_mlme) {
  438. memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
  439. ETH_ALEN);
  440. return 0;
  441. }
  442. if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
  443. sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
  444. IEEE80211_STA_AUTO_CHANNEL_SEL;
  445. else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
  446. sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
  447. else
  448. sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
  449. ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
  450. if (ret)
  451. return ret;
  452. ieee80211_sta_req_auth(dev, &sdata->u.sta);
  453. return 0;
  454. } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
  455. if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
  456. ETH_ALEN) == 0)
  457. return 0;
  458. return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
  459. }
  460. return -EOPNOTSUPP;
  461. }
  462. static int ieee80211_ioctl_giwap(struct net_device *dev,
  463. struct iw_request_info *info,
  464. struct sockaddr *ap_addr, char *extra)
  465. {
  466. struct ieee80211_sub_if_data *sdata;
  467. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  468. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  469. sdata->type == IEEE80211_IF_TYPE_IBSS) {
  470. ap_addr->sa_family = ARPHRD_ETHER;
  471. memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
  472. return 0;
  473. } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
  474. ap_addr->sa_family = ARPHRD_ETHER;
  475. memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
  476. return 0;
  477. }
  478. return -EOPNOTSUPP;
  479. }
  480. static int ieee80211_ioctl_siwscan(struct net_device *dev,
  481. struct iw_request_info *info,
  482. struct iw_point *data, char *extra)
  483. {
  484. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  485. struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  486. u8 *ssid = NULL;
  487. size_t ssid_len = 0;
  488. if (!netif_running(dev))
  489. return -ENETDOWN;
  490. switch (sdata->type) {
  491. case IEEE80211_IF_TYPE_STA:
  492. case IEEE80211_IF_TYPE_IBSS:
  493. if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
  494. ssid = sdata->u.sta.ssid;
  495. ssid_len = sdata->u.sta.ssid_len;
  496. }
  497. break;
  498. case IEEE80211_IF_TYPE_AP:
  499. if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
  500. ssid = sdata->u.ap.ssid;
  501. ssid_len = sdata->u.ap.ssid_len;
  502. }
  503. break;
  504. default:
  505. return -EOPNOTSUPP;
  506. }
  507. return ieee80211_sta_req_scan(dev, ssid, ssid_len);
  508. }
  509. static int ieee80211_ioctl_giwscan(struct net_device *dev,
  510. struct iw_request_info *info,
  511. struct iw_point *data, char *extra)
  512. {
  513. int res;
  514. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  515. if (local->sta_scanning)
  516. return -EAGAIN;
  517. res = ieee80211_sta_scan_results(dev, extra, data->length);
  518. if (res >= 0) {
  519. data->length = res;
  520. return 0;
  521. }
  522. data->length = 0;
  523. return res;
  524. }
  525. static int ieee80211_ioctl_siwrate(struct net_device *dev,
  526. struct iw_request_info *info,
  527. struct iw_param *rate, char *extra)
  528. {
  529. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  530. struct ieee80211_hw_mode *mode;
  531. int i;
  532. u32 target_rate = rate->value / 100000;
  533. struct ieee80211_sub_if_data *sdata;
  534. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  535. if (!sdata->bss)
  536. return -ENODEV;
  537. mode = local->oper_hw_mode;
  538. /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
  539. * target_rate = X, rate->fixed = 1 means only rate X
  540. * target_rate = X, rate->fixed = 0 means all rates <= X */
  541. sdata->bss->max_ratectrl_rateidx = -1;
  542. sdata->bss->force_unicast_rateidx = -1;
  543. if (rate->value < 0)
  544. return 0;
  545. for (i=0; i< mode->num_rates; i++) {
  546. struct ieee80211_rate *rates = &mode->rates[i];
  547. int this_rate = rates->rate;
  548. if (target_rate == this_rate) {
  549. sdata->bss->max_ratectrl_rateidx = i;
  550. if (rate->fixed)
  551. sdata->bss->force_unicast_rateidx = i;
  552. break;
  553. }
  554. }
  555. return 0;
  556. }
  557. static int ieee80211_ioctl_giwrate(struct net_device *dev,
  558. struct iw_request_info *info,
  559. struct iw_param *rate, char *extra)
  560. {
  561. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  562. struct sta_info *sta;
  563. struct ieee80211_sub_if_data *sdata;
  564. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  565. if (sdata->type == IEEE80211_IF_TYPE_STA)
  566. sta = sta_info_get(local, sdata->u.sta.bssid);
  567. else
  568. return -EOPNOTSUPP;
  569. if (!sta)
  570. return -ENODEV;
  571. if (sta->txrate < local->oper_hw_mode->num_rates)
  572. rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000;
  573. else
  574. rate->value = 0;
  575. sta_info_put(sta);
  576. return 0;
  577. }
  578. static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
  579. struct iw_request_info *info,
  580. union iwreq_data *data, char *extra)
  581. {
  582. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  583. bool need_reconfig = 0;
  584. if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
  585. return -EINVAL;
  586. if (data->txpower.flags & IW_TXPOW_RANGE)
  587. return -EINVAL;
  588. if (!data->txpower.fixed)
  589. return -EINVAL;
  590. if (local->hw.conf.power_level != data->txpower.value) {
  591. local->hw.conf.power_level = data->txpower.value;
  592. need_reconfig = 1;
  593. }
  594. if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
  595. local->hw.conf.radio_enabled = !(data->txpower.disabled);
  596. need_reconfig = 1;
  597. }
  598. if (need_reconfig) {
  599. ieee80211_hw_config(local);
  600. /* The return value of hw_config is not of big interest here,
  601. * as it doesn't say that it failed because of _this_ config
  602. * change or something else. Ignore it. */
  603. }
  604. return 0;
  605. }
  606. static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
  607. struct iw_request_info *info,
  608. union iwreq_data *data, char *extra)
  609. {
  610. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  611. data->txpower.fixed = 1;
  612. data->txpower.disabled = !(local->hw.conf.radio_enabled);
  613. data->txpower.value = local->hw.conf.power_level;
  614. data->txpower.flags = IW_TXPOW_DBM;
  615. return 0;
  616. }
  617. static int ieee80211_ioctl_siwrts(struct net_device *dev,
  618. struct iw_request_info *info,
  619. struct iw_param *rts, char *extra)
  620. {
  621. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  622. if (rts->disabled)
  623. local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
  624. else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
  625. return -EINVAL;
  626. else
  627. local->rts_threshold = rts->value;
  628. /* If the wlan card performs RTS/CTS in hardware/firmware,
  629. * configure it here */
  630. if (local->ops->set_rts_threshold)
  631. local->ops->set_rts_threshold(local_to_hw(local),
  632. local->rts_threshold);
  633. return 0;
  634. }
  635. static int ieee80211_ioctl_giwrts(struct net_device *dev,
  636. struct iw_request_info *info,
  637. struct iw_param *rts, char *extra)
  638. {
  639. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  640. rts->value = local->rts_threshold;
  641. rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
  642. rts->fixed = 1;
  643. return 0;
  644. }
  645. static int ieee80211_ioctl_siwfrag(struct net_device *dev,
  646. struct iw_request_info *info,
  647. struct iw_param *frag, char *extra)
  648. {
  649. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  650. if (frag->disabled)
  651. local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
  652. else if (frag->value < 256 ||
  653. frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
  654. return -EINVAL;
  655. else {
  656. /* Fragment length must be even, so strip LSB. */
  657. local->fragmentation_threshold = frag->value & ~0x1;
  658. }
  659. /* If the wlan card performs fragmentation in hardware/firmware,
  660. * configure it here */
  661. if (local->ops->set_frag_threshold)
  662. local->ops->set_frag_threshold(
  663. local_to_hw(local),
  664. local->fragmentation_threshold);
  665. return 0;
  666. }
  667. static int ieee80211_ioctl_giwfrag(struct net_device *dev,
  668. struct iw_request_info *info,
  669. struct iw_param *frag, char *extra)
  670. {
  671. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  672. frag->value = local->fragmentation_threshold;
  673. frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
  674. frag->fixed = 1;
  675. return 0;
  676. }
  677. static int ieee80211_ioctl_siwretry(struct net_device *dev,
  678. struct iw_request_info *info,
  679. struct iw_param *retry, char *extra)
  680. {
  681. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  682. if (retry->disabled ||
  683. (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
  684. return -EINVAL;
  685. if (retry->flags & IW_RETRY_MAX)
  686. local->long_retry_limit = retry->value;
  687. else if (retry->flags & IW_RETRY_MIN)
  688. local->short_retry_limit = retry->value;
  689. else {
  690. local->long_retry_limit = retry->value;
  691. local->short_retry_limit = retry->value;
  692. }
  693. if (local->ops->set_retry_limit) {
  694. return local->ops->set_retry_limit(
  695. local_to_hw(local),
  696. local->short_retry_limit,
  697. local->long_retry_limit);
  698. }
  699. return 0;
  700. }
  701. static int ieee80211_ioctl_giwretry(struct net_device *dev,
  702. struct iw_request_info *info,
  703. struct iw_param *retry, char *extra)
  704. {
  705. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  706. retry->disabled = 0;
  707. if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
  708. /* first return min value, iwconfig will ask max value
  709. * later if needed */
  710. retry->flags |= IW_RETRY_LIMIT;
  711. retry->value = local->short_retry_limit;
  712. if (local->long_retry_limit != local->short_retry_limit)
  713. retry->flags |= IW_RETRY_MIN;
  714. return 0;
  715. }
  716. if (retry->flags & IW_RETRY_MAX) {
  717. retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
  718. retry->value = local->long_retry_limit;
  719. }
  720. return 0;
  721. }
  722. static int ieee80211_ioctl_prism2_param(struct net_device *dev,
  723. struct iw_request_info *info,
  724. void *wrqu, char *extra)
  725. {
  726. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  727. struct ieee80211_sub_if_data *sdata;
  728. int *i = (int *) extra;
  729. int param = *i;
  730. int value = *(i + 1);
  731. int ret = 0;
  732. int mode;
  733. if (!capable(CAP_NET_ADMIN))
  734. return -EPERM;
  735. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  736. switch (param) {
  737. case PRISM2_PARAM_IEEE_802_1X:
  738. if (local->ops->set_ieee8021x)
  739. ret = local->ops->set_ieee8021x(local_to_hw(local),
  740. value);
  741. if (ret)
  742. printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) "
  743. "for low-level driver\n", dev->name, value);
  744. else
  745. sdata->ieee802_1x = value;
  746. break;
  747. case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
  748. if (sdata->type == IEEE80211_IF_TYPE_AP) {
  749. if (value)
  750. sdata->flags |= IEEE80211_SDATA_USE_PROTECTION;
  751. else
  752. sdata->flags &= ~IEEE80211_SDATA_USE_PROTECTION;
  753. ieee80211_erp_info_change_notify(dev,
  754. IEEE80211_ERP_CHANGE_PROTECTION);
  755. } else {
  756. ret = -ENOENT;
  757. }
  758. break;
  759. case PRISM2_PARAM_PREAMBLE:
  760. if (sdata->type == IEEE80211_IF_TYPE_AP) {
  761. if (value)
  762. sdata->flags |= IEEE80211_SDATA_SHORT_PREAMBLE;
  763. else
  764. sdata->flags &= ~IEEE80211_SDATA_SHORT_PREAMBLE;
  765. ieee80211_erp_info_change_notify(dev,
  766. IEEE80211_ERP_CHANGE_PREAMBLE);
  767. } else {
  768. ret = -ENOENT;
  769. }
  770. break;
  771. case PRISM2_PARAM_SHORT_SLOT_TIME:
  772. if (value)
  773. local->hw.conf.flags |= IEEE80211_CONF_SHORT_SLOT_TIME;
  774. else
  775. local->hw.conf.flags &= ~IEEE80211_CONF_SHORT_SLOT_TIME;
  776. if (ieee80211_hw_config(local))
  777. ret = -EINVAL;
  778. break;
  779. case PRISM2_PARAM_NEXT_MODE:
  780. local->next_mode = hostapd_mode_to_mode(value);
  781. break;
  782. case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
  783. local->key_tx_rx_threshold = value;
  784. break;
  785. case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
  786. local->wifi_wme_noack_test = value;
  787. break;
  788. case PRISM2_PARAM_SCAN_FLAGS:
  789. local->scan_flags = value;
  790. break;
  791. case PRISM2_PARAM_MIXED_CELL:
  792. if (sdata->type != IEEE80211_IF_TYPE_STA &&
  793. sdata->type != IEEE80211_IF_TYPE_IBSS)
  794. ret = -EINVAL;
  795. else {
  796. if (value)
  797. sdata->u.sta.flags |= IEEE80211_STA_MIXED_CELL;
  798. else
  799. sdata->u.sta.flags &= ~IEEE80211_STA_MIXED_CELL;
  800. }
  801. break;
  802. case PRISM2_PARAM_HW_MODES:
  803. mode = 1;
  804. local->enabled_modes = 0;
  805. while (value) {
  806. if (value & 1)
  807. local->enabled_modes |=
  808. hostapd_mode_to_mode(mode);
  809. mode <<= 1;
  810. value >>= 1;
  811. }
  812. break;
  813. case PRISM2_PARAM_CREATE_IBSS:
  814. if (sdata->type != IEEE80211_IF_TYPE_IBSS)
  815. ret = -EINVAL;
  816. else {
  817. if (value)
  818. sdata->u.sta.flags |= IEEE80211_STA_CREATE_IBSS;
  819. else
  820. sdata->u.sta.flags &= ~IEEE80211_STA_CREATE_IBSS;
  821. }
  822. break;
  823. case PRISM2_PARAM_WMM_ENABLED:
  824. if (sdata->type != IEEE80211_IF_TYPE_STA &&
  825. sdata->type != IEEE80211_IF_TYPE_IBSS)
  826. ret = -EINVAL;
  827. else {
  828. if (value)
  829. sdata->u.sta.flags |= IEEE80211_STA_WMM_ENABLED;
  830. else
  831. sdata->u.sta.flags &= ~IEEE80211_STA_WMM_ENABLED;
  832. }
  833. break;
  834. default:
  835. ret = -EOPNOTSUPP;
  836. break;
  837. }
  838. return ret;
  839. }
  840. static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
  841. struct iw_request_info *info,
  842. void *wrqu, char *extra)
  843. {
  844. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  845. struct ieee80211_sub_if_data *sdata;
  846. int *param = (int *) extra;
  847. int ret = 0;
  848. int mode;
  849. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  850. switch (*param) {
  851. case PRISM2_PARAM_IEEE_802_1X:
  852. *param = sdata->ieee802_1x;
  853. break;
  854. case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
  855. *param = !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION);
  856. break;
  857. case PRISM2_PARAM_PREAMBLE:
  858. *param = !!(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
  859. break;
  860. case PRISM2_PARAM_SHORT_SLOT_TIME:
  861. *param = !!(local->hw.conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME);
  862. break;
  863. case PRISM2_PARAM_NEXT_MODE:
  864. *param = local->next_mode;
  865. break;
  866. case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
  867. *param = local->key_tx_rx_threshold;
  868. break;
  869. case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
  870. *param = local->wifi_wme_noack_test;
  871. break;
  872. case PRISM2_PARAM_SCAN_FLAGS:
  873. *param = local->scan_flags;
  874. break;
  875. case PRISM2_PARAM_HW_MODES:
  876. mode = 0;
  877. *param = 0;
  878. while (mode < NUM_IEEE80211_MODES) {
  879. if (local->enabled_modes & (1<<mode))
  880. *param |= mode_to_hostapd_mode(1<<mode);
  881. mode++;
  882. }
  883. break;
  884. case PRISM2_PARAM_CREATE_IBSS:
  885. if (sdata->type != IEEE80211_IF_TYPE_IBSS)
  886. ret = -EINVAL;
  887. else
  888. *param = !!(sdata->u.sta.flags &
  889. IEEE80211_STA_CREATE_IBSS);
  890. break;
  891. case PRISM2_PARAM_MIXED_CELL:
  892. if (sdata->type != IEEE80211_IF_TYPE_STA &&
  893. sdata->type != IEEE80211_IF_TYPE_IBSS)
  894. ret = -EINVAL;
  895. else
  896. *param = !!(sdata->u.sta.flags &
  897. IEEE80211_STA_MIXED_CELL);
  898. break;
  899. case PRISM2_PARAM_WMM_ENABLED:
  900. if (sdata->type != IEEE80211_IF_TYPE_STA &&
  901. sdata->type != IEEE80211_IF_TYPE_IBSS)
  902. ret = -EINVAL;
  903. else
  904. *param = !!(sdata->u.sta.flags &
  905. IEEE80211_STA_WMM_ENABLED);
  906. break;
  907. default:
  908. ret = -EOPNOTSUPP;
  909. break;
  910. }
  911. return ret;
  912. }
  913. static int ieee80211_ioctl_siwmlme(struct net_device *dev,
  914. struct iw_request_info *info,
  915. struct iw_point *data, char *extra)
  916. {
  917. struct ieee80211_sub_if_data *sdata;
  918. struct iw_mlme *mlme = (struct iw_mlme *) extra;
  919. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  920. if (sdata->type != IEEE80211_IF_TYPE_STA &&
  921. sdata->type != IEEE80211_IF_TYPE_IBSS)
  922. return -EINVAL;
  923. switch (mlme->cmd) {
  924. case IW_MLME_DEAUTH:
  925. /* TODO: mlme->addr.sa_data */
  926. return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
  927. case IW_MLME_DISASSOC:
  928. /* TODO: mlme->addr.sa_data */
  929. return ieee80211_sta_disassociate(dev, mlme->reason_code);
  930. default:
  931. return -EOPNOTSUPP;
  932. }
  933. }
  934. static int ieee80211_ioctl_siwencode(struct net_device *dev,
  935. struct iw_request_info *info,
  936. struct iw_point *erq, char *keybuf)
  937. {
  938. struct ieee80211_sub_if_data *sdata;
  939. int idx, i, alg = ALG_WEP;
  940. u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
  941. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  942. idx = erq->flags & IW_ENCODE_INDEX;
  943. if (idx == 0) {
  944. if (sdata->default_key)
  945. for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
  946. if (sdata->default_key == sdata->keys[i]) {
  947. idx = i;
  948. break;
  949. }
  950. }
  951. } else if (idx < 1 || idx > 4)
  952. return -EINVAL;
  953. else
  954. idx--;
  955. if (erq->flags & IW_ENCODE_DISABLED)
  956. alg = ALG_NONE;
  957. else if (erq->length == 0) {
  958. /* No key data - just set the default TX key index */
  959. ieee80211_set_default_key(sdata, idx);
  960. return 0;
  961. }
  962. return ieee80211_set_encryption(
  963. dev, bcaddr,
  964. idx, alg,
  965. !sdata->default_key,
  966. keybuf, erq->length);
  967. }
  968. static int ieee80211_ioctl_giwencode(struct net_device *dev,
  969. struct iw_request_info *info,
  970. struct iw_point *erq, char *key)
  971. {
  972. struct ieee80211_sub_if_data *sdata;
  973. int idx, i;
  974. sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  975. idx = erq->flags & IW_ENCODE_INDEX;
  976. if (idx < 1 || idx > 4) {
  977. idx = -1;
  978. if (!sdata->default_key)
  979. idx = 0;
  980. else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
  981. if (sdata->default_key == sdata->keys[i]) {
  982. idx = i;
  983. break;
  984. }
  985. }
  986. if (idx < 0)
  987. return -EINVAL;
  988. } else
  989. idx--;
  990. erq->flags = idx + 1;
  991. if (!sdata->keys[idx]) {
  992. erq->length = 0;
  993. erq->flags |= IW_ENCODE_DISABLED;
  994. return 0;
  995. }
  996. memcpy(key, sdata->keys[idx]->conf.key,
  997. min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
  998. erq->length = sdata->keys[idx]->conf.keylen;
  999. erq->flags |= IW_ENCODE_ENABLED;
  1000. return 0;
  1001. }
  1002. static int ieee80211_ioctl_siwauth(struct net_device *dev,
  1003. struct iw_request_info *info,
  1004. struct iw_param *data, char *extra)
  1005. {
  1006. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  1007. struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  1008. int ret = 0;
  1009. switch (data->flags & IW_AUTH_INDEX) {
  1010. case IW_AUTH_WPA_VERSION:
  1011. case IW_AUTH_CIPHER_PAIRWISE:
  1012. case IW_AUTH_CIPHER_GROUP:
  1013. case IW_AUTH_WPA_ENABLED:
  1014. case IW_AUTH_RX_UNENCRYPTED_EAPOL:
  1015. break;
  1016. case IW_AUTH_KEY_MGMT:
  1017. if (sdata->type != IEEE80211_IF_TYPE_STA)
  1018. ret = -EINVAL;
  1019. else {
  1020. /*
  1021. * Key management was set by wpa_supplicant,
  1022. * we only need this to associate to a network
  1023. * that has privacy enabled regardless of not
  1024. * having a key.
  1025. */
  1026. sdata->u.sta.key_management_enabled = !!data->value;
  1027. }
  1028. break;
  1029. case IW_AUTH_80211_AUTH_ALG:
  1030. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  1031. sdata->type == IEEE80211_IF_TYPE_IBSS)
  1032. sdata->u.sta.auth_algs = data->value;
  1033. else
  1034. ret = -EOPNOTSUPP;
  1035. break;
  1036. case IW_AUTH_PRIVACY_INVOKED:
  1037. if (local->ops->set_privacy_invoked)
  1038. ret = local->ops->set_privacy_invoked(
  1039. local_to_hw(local), data->value);
  1040. break;
  1041. default:
  1042. ret = -EOPNOTSUPP;
  1043. break;
  1044. }
  1045. return ret;
  1046. }
  1047. /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
  1048. static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
  1049. {
  1050. struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  1051. struct iw_statistics *wstats = &local->wstats;
  1052. struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  1053. struct sta_info *sta = NULL;
  1054. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  1055. sdata->type == IEEE80211_IF_TYPE_IBSS)
  1056. sta = sta_info_get(local, sdata->u.sta.bssid);
  1057. if (!sta) {
  1058. wstats->discard.fragment = 0;
  1059. wstats->discard.misc = 0;
  1060. wstats->qual.qual = 0;
  1061. wstats->qual.level = 0;
  1062. wstats->qual.noise = 0;
  1063. wstats->qual.updated = IW_QUAL_ALL_INVALID;
  1064. } else {
  1065. wstats->qual.level = sta->last_rssi;
  1066. wstats->qual.qual = sta->last_signal;
  1067. wstats->qual.noise = sta->last_noise;
  1068. wstats->qual.updated = local->wstats_flags;
  1069. sta_info_put(sta);
  1070. }
  1071. return wstats;
  1072. }
  1073. static int ieee80211_ioctl_giwauth(struct net_device *dev,
  1074. struct iw_request_info *info,
  1075. struct iw_param *data, char *extra)
  1076. {
  1077. struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  1078. int ret = 0;
  1079. switch (data->flags & IW_AUTH_INDEX) {
  1080. case IW_AUTH_80211_AUTH_ALG:
  1081. if (sdata->type == IEEE80211_IF_TYPE_STA ||
  1082. sdata->type == IEEE80211_IF_TYPE_IBSS)
  1083. data->value = sdata->u.sta.auth_algs;
  1084. else
  1085. ret = -EOPNOTSUPP;
  1086. break;
  1087. default:
  1088. ret = -EOPNOTSUPP;
  1089. break;
  1090. }
  1091. return ret;
  1092. }
  1093. static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
  1094. struct iw_request_info *info,
  1095. struct iw_point *erq, char *extra)
  1096. {
  1097. struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  1098. struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
  1099. int alg, idx, i;
  1100. switch (ext->alg) {
  1101. case IW_ENCODE_ALG_NONE:
  1102. alg = ALG_NONE;
  1103. break;
  1104. case IW_ENCODE_ALG_WEP:
  1105. alg = ALG_WEP;
  1106. break;
  1107. case IW_ENCODE_ALG_TKIP:
  1108. alg = ALG_TKIP;
  1109. break;
  1110. case IW_ENCODE_ALG_CCMP:
  1111. alg = ALG_CCMP;
  1112. break;
  1113. default:
  1114. return -EOPNOTSUPP;
  1115. }
  1116. if (erq->flags & IW_ENCODE_DISABLED)
  1117. alg = ALG_NONE;
  1118. idx = erq->flags & IW_ENCODE_INDEX;
  1119. if (idx < 1 || idx > 4) {
  1120. idx = -1;
  1121. if (!sdata->default_key)
  1122. idx = 0;
  1123. else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
  1124. if (sdata->default_key == sdata->keys[i]) {
  1125. idx = i;
  1126. break;
  1127. }
  1128. }
  1129. if (idx < 0)
  1130. return -EINVAL;
  1131. } else
  1132. idx--;
  1133. return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
  1134. ext->ext_flags &
  1135. IW_ENCODE_EXT_SET_TX_KEY,
  1136. ext->key, ext->key_len);
  1137. }
  1138. static const struct iw_priv_args ieee80211_ioctl_priv[] = {
  1139. { PRISM2_IOCTL_PRISM2_PARAM,
  1140. IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" },
  1141. { PRISM2_IOCTL_GET_PRISM2_PARAM,
  1142. IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
  1143. IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" },
  1144. };
  1145. /* Structures to export the Wireless Handlers */
  1146. static const iw_handler ieee80211_handler[] =
  1147. {
  1148. (iw_handler) NULL, /* SIOCSIWCOMMIT */
  1149. (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
  1150. (iw_handler) NULL, /* SIOCSIWNWID */
  1151. (iw_handler) NULL, /* SIOCGIWNWID */
  1152. (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
  1153. (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
  1154. (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
  1155. (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
  1156. (iw_handler) NULL, /* SIOCSIWSENS */
  1157. (iw_handler) NULL, /* SIOCGIWSENS */
  1158. (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
  1159. (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
  1160. (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
  1161. (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
  1162. (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
  1163. (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
  1164. (iw_handler) NULL, /* SIOCSIWSPY */
  1165. (iw_handler) NULL, /* SIOCGIWSPY */
  1166. (iw_handler) NULL, /* SIOCSIWTHRSPY */
  1167. (iw_handler) NULL, /* SIOCGIWTHRSPY */
  1168. (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
  1169. (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
  1170. (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
  1171. (iw_handler) NULL, /* SIOCGIWAPLIST */
  1172. (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
  1173. (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
  1174. (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
  1175. (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
  1176. (iw_handler) NULL, /* SIOCSIWNICKN */
  1177. (iw_handler) NULL, /* SIOCGIWNICKN */
  1178. (iw_handler) NULL, /* -- hole -- */
  1179. (iw_handler) NULL, /* -- hole -- */
  1180. (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
  1181. (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
  1182. (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
  1183. (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
  1184. (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
  1185. (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
  1186. (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
  1187. (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
  1188. (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
  1189. (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
  1190. (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
  1191. (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
  1192. (iw_handler) NULL, /* SIOCSIWPOWER */
  1193. (iw_handler) NULL, /* SIOCGIWPOWER */
  1194. (iw_handler) NULL, /* -- hole -- */
  1195. (iw_handler) NULL, /* -- hole -- */
  1196. (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
  1197. (iw_handler) NULL, /* SIOCGIWGENIE */
  1198. (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
  1199. (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
  1200. (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
  1201. (iw_handler) NULL, /* SIOCGIWENCODEEXT */
  1202. (iw_handler) NULL, /* SIOCSIWPMKSA */
  1203. (iw_handler) NULL, /* -- hole -- */
  1204. };
  1205. static const iw_handler ieee80211_private_handler[] =
  1206. { /* SIOCIWFIRSTPRIV + */
  1207. (iw_handler) ieee80211_ioctl_prism2_param, /* 0 */
  1208. (iw_handler) ieee80211_ioctl_get_prism2_param, /* 1 */
  1209. };
  1210. const struct iw_handler_def ieee80211_iw_handler_def =
  1211. {
  1212. .num_standard = ARRAY_SIZE(ieee80211_handler),
  1213. .num_private = ARRAY_SIZE(ieee80211_private_handler),
  1214. .num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv),
  1215. .standard = (iw_handler *) ieee80211_handler,
  1216. .private = (iw_handler *) ieee80211_private_handler,
  1217. .private_args = (struct iw_priv_args *) ieee80211_ioctl_priv,
  1218. .get_wireless_stats = ieee80211_get_wireless_stats,
  1219. };