driver-ops.h 16 KB

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  1. #ifndef __MAC80211_DRIVER_OPS
  2. #define __MAC80211_DRIVER_OPS
  3. #include <net/mac80211.h>
  4. #include "ieee80211_i.h"
  5. #include "driver-trace.h"
  6. static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
  7. {
  8. local->ops->tx(&local->hw, skb);
  9. }
  10. static inline int drv_start(struct ieee80211_local *local)
  11. {
  12. int ret;
  13. might_sleep();
  14. trace_drv_start(local);
  15. local->started = true;
  16. smp_mb();
  17. ret = local->ops->start(&local->hw);
  18. trace_drv_return_int(local, ret);
  19. return ret;
  20. }
  21. static inline void drv_stop(struct ieee80211_local *local)
  22. {
  23. might_sleep();
  24. trace_drv_stop(local);
  25. local->ops->stop(&local->hw);
  26. trace_drv_return_void(local);
  27. /* sync away all work on the tasklet before clearing started */
  28. tasklet_disable(&local->tasklet);
  29. tasklet_enable(&local->tasklet);
  30. barrier();
  31. local->started = false;
  32. }
  33. #ifdef CONFIG_PM
  34. static inline int drv_suspend(struct ieee80211_local *local,
  35. struct cfg80211_wowlan *wowlan)
  36. {
  37. int ret;
  38. might_sleep();
  39. trace_drv_suspend(local);
  40. ret = local->ops->suspend(&local->hw, wowlan);
  41. trace_drv_return_int(local, ret);
  42. return ret;
  43. }
  44. static inline int drv_resume(struct ieee80211_local *local)
  45. {
  46. int ret;
  47. might_sleep();
  48. trace_drv_resume(local);
  49. ret = local->ops->resume(&local->hw);
  50. trace_drv_return_int(local, ret);
  51. return ret;
  52. }
  53. #endif
  54. static inline int drv_add_interface(struct ieee80211_local *local,
  55. struct ieee80211_vif *vif)
  56. {
  57. int ret;
  58. might_sleep();
  59. trace_drv_add_interface(local, vif_to_sdata(vif));
  60. ret = local->ops->add_interface(&local->hw, vif);
  61. trace_drv_return_int(local, ret);
  62. return ret;
  63. }
  64. static inline int drv_change_interface(struct ieee80211_local *local,
  65. struct ieee80211_sub_if_data *sdata,
  66. enum nl80211_iftype type, bool p2p)
  67. {
  68. int ret;
  69. might_sleep();
  70. trace_drv_change_interface(local, sdata, type, p2p);
  71. ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
  72. trace_drv_return_int(local, ret);
  73. return ret;
  74. }
  75. static inline void drv_remove_interface(struct ieee80211_local *local,
  76. struct ieee80211_vif *vif)
  77. {
  78. might_sleep();
  79. trace_drv_remove_interface(local, vif_to_sdata(vif));
  80. local->ops->remove_interface(&local->hw, vif);
  81. trace_drv_return_void(local);
  82. }
  83. static inline int drv_config(struct ieee80211_local *local, u32 changed)
  84. {
  85. int ret;
  86. might_sleep();
  87. trace_drv_config(local, changed);
  88. ret = local->ops->config(&local->hw, changed);
  89. trace_drv_return_int(local, ret);
  90. return ret;
  91. }
  92. static inline void drv_bss_info_changed(struct ieee80211_local *local,
  93. struct ieee80211_sub_if_data *sdata,
  94. struct ieee80211_bss_conf *info,
  95. u32 changed)
  96. {
  97. might_sleep();
  98. trace_drv_bss_info_changed(local, sdata, info, changed);
  99. if (local->ops->bss_info_changed)
  100. local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
  101. trace_drv_return_void(local);
  102. }
  103. static inline int drv_tx_sync(struct ieee80211_local *local,
  104. struct ieee80211_sub_if_data *sdata,
  105. const u8 *bssid,
  106. enum ieee80211_tx_sync_type type)
  107. {
  108. int ret = 0;
  109. might_sleep();
  110. trace_drv_tx_sync(local, sdata, bssid, type);
  111. if (local->ops->tx_sync)
  112. ret = local->ops->tx_sync(&local->hw, &sdata->vif,
  113. bssid, type);
  114. trace_drv_return_int(local, ret);
  115. return ret;
  116. }
  117. static inline void drv_finish_tx_sync(struct ieee80211_local *local,
  118. struct ieee80211_sub_if_data *sdata,
  119. const u8 *bssid,
  120. enum ieee80211_tx_sync_type type)
  121. {
  122. might_sleep();
  123. trace_drv_finish_tx_sync(local, sdata, bssid, type);
  124. if (local->ops->finish_tx_sync)
  125. local->ops->finish_tx_sync(&local->hw, &sdata->vif,
  126. bssid, type);
  127. trace_drv_return_void(local);
  128. }
  129. static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
  130. struct netdev_hw_addr_list *mc_list)
  131. {
  132. u64 ret = 0;
  133. trace_drv_prepare_multicast(local, mc_list->count);
  134. if (local->ops->prepare_multicast)
  135. ret = local->ops->prepare_multicast(&local->hw, mc_list);
  136. trace_drv_return_u64(local, ret);
  137. return ret;
  138. }
  139. static inline void drv_configure_filter(struct ieee80211_local *local,
  140. unsigned int changed_flags,
  141. unsigned int *total_flags,
  142. u64 multicast)
  143. {
  144. might_sleep();
  145. trace_drv_configure_filter(local, changed_flags, total_flags,
  146. multicast);
  147. local->ops->configure_filter(&local->hw, changed_flags, total_flags,
  148. multicast);
  149. trace_drv_return_void(local);
  150. }
  151. static inline int drv_set_tim(struct ieee80211_local *local,
  152. struct ieee80211_sta *sta, bool set)
  153. {
  154. int ret = 0;
  155. trace_drv_set_tim(local, sta, set);
  156. if (local->ops->set_tim)
  157. ret = local->ops->set_tim(&local->hw, sta, set);
  158. trace_drv_return_int(local, ret);
  159. return ret;
  160. }
  161. static inline int drv_set_key(struct ieee80211_local *local,
  162. enum set_key_cmd cmd,
  163. struct ieee80211_sub_if_data *sdata,
  164. struct ieee80211_sta *sta,
  165. struct ieee80211_key_conf *key)
  166. {
  167. int ret;
  168. might_sleep();
  169. trace_drv_set_key(local, cmd, sdata, sta, key);
  170. ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
  171. trace_drv_return_int(local, ret);
  172. return ret;
  173. }
  174. static inline void drv_update_tkip_key(struct ieee80211_local *local,
  175. struct ieee80211_sub_if_data *sdata,
  176. struct ieee80211_key_conf *conf,
  177. struct sta_info *sta, u32 iv32,
  178. u16 *phase1key)
  179. {
  180. struct ieee80211_sta *ista = NULL;
  181. if (sta)
  182. ista = &sta->sta;
  183. trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
  184. if (local->ops->update_tkip_key)
  185. local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
  186. ista, iv32, phase1key);
  187. trace_drv_return_void(local);
  188. }
  189. static inline int drv_hw_scan(struct ieee80211_local *local,
  190. struct ieee80211_sub_if_data *sdata,
  191. struct cfg80211_scan_request *req)
  192. {
  193. int ret;
  194. might_sleep();
  195. trace_drv_hw_scan(local, sdata);
  196. ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
  197. trace_drv_return_int(local, ret);
  198. return ret;
  199. }
  200. static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
  201. struct ieee80211_sub_if_data *sdata)
  202. {
  203. might_sleep();
  204. trace_drv_cancel_hw_scan(local, sdata);
  205. local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
  206. trace_drv_return_void(local);
  207. }
  208. static inline int
  209. drv_sched_scan_start(struct ieee80211_local *local,
  210. struct ieee80211_sub_if_data *sdata,
  211. struct cfg80211_sched_scan_request *req,
  212. struct ieee80211_sched_scan_ies *ies)
  213. {
  214. int ret;
  215. might_sleep();
  216. trace_drv_sched_scan_start(local, sdata);
  217. ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
  218. req, ies);
  219. trace_drv_return_int(local, ret);
  220. return ret;
  221. }
  222. static inline void drv_sched_scan_stop(struct ieee80211_local *local,
  223. struct ieee80211_sub_if_data *sdata)
  224. {
  225. might_sleep();
  226. trace_drv_sched_scan_stop(local, sdata);
  227. local->ops->sched_scan_stop(&local->hw, &sdata->vif);
  228. trace_drv_return_void(local);
  229. }
  230. static inline void drv_sw_scan_start(struct ieee80211_local *local)
  231. {
  232. might_sleep();
  233. trace_drv_sw_scan_start(local);
  234. if (local->ops->sw_scan_start)
  235. local->ops->sw_scan_start(&local->hw);
  236. trace_drv_return_void(local);
  237. }
  238. static inline void drv_sw_scan_complete(struct ieee80211_local *local)
  239. {
  240. might_sleep();
  241. trace_drv_sw_scan_complete(local);
  242. if (local->ops->sw_scan_complete)
  243. local->ops->sw_scan_complete(&local->hw);
  244. trace_drv_return_void(local);
  245. }
  246. static inline int drv_get_stats(struct ieee80211_local *local,
  247. struct ieee80211_low_level_stats *stats)
  248. {
  249. int ret = -EOPNOTSUPP;
  250. might_sleep();
  251. if (local->ops->get_stats)
  252. ret = local->ops->get_stats(&local->hw, stats);
  253. trace_drv_get_stats(local, stats, ret);
  254. return ret;
  255. }
  256. static inline void drv_get_tkip_seq(struct ieee80211_local *local,
  257. u8 hw_key_idx, u32 *iv32, u16 *iv16)
  258. {
  259. if (local->ops->get_tkip_seq)
  260. local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
  261. trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
  262. }
  263. static inline int drv_set_frag_threshold(struct ieee80211_local *local,
  264. u32 value)
  265. {
  266. int ret = 0;
  267. might_sleep();
  268. trace_drv_set_frag_threshold(local, value);
  269. if (local->ops->set_frag_threshold)
  270. ret = local->ops->set_frag_threshold(&local->hw, value);
  271. trace_drv_return_int(local, ret);
  272. return ret;
  273. }
  274. static inline int drv_set_rts_threshold(struct ieee80211_local *local,
  275. u32 value)
  276. {
  277. int ret = 0;
  278. might_sleep();
  279. trace_drv_set_rts_threshold(local, value);
  280. if (local->ops->set_rts_threshold)
  281. ret = local->ops->set_rts_threshold(&local->hw, value);
  282. trace_drv_return_int(local, ret);
  283. return ret;
  284. }
  285. static inline int drv_set_coverage_class(struct ieee80211_local *local,
  286. u8 value)
  287. {
  288. int ret = 0;
  289. might_sleep();
  290. trace_drv_set_coverage_class(local, value);
  291. if (local->ops->set_coverage_class)
  292. local->ops->set_coverage_class(&local->hw, value);
  293. else
  294. ret = -EOPNOTSUPP;
  295. trace_drv_return_int(local, ret);
  296. return ret;
  297. }
  298. static inline void drv_sta_notify(struct ieee80211_local *local,
  299. struct ieee80211_sub_if_data *sdata,
  300. enum sta_notify_cmd cmd,
  301. struct ieee80211_sta *sta)
  302. {
  303. trace_drv_sta_notify(local, sdata, cmd, sta);
  304. if (local->ops->sta_notify)
  305. local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
  306. trace_drv_return_void(local);
  307. }
  308. static inline int drv_sta_add(struct ieee80211_local *local,
  309. struct ieee80211_sub_if_data *sdata,
  310. struct ieee80211_sta *sta)
  311. {
  312. int ret = 0;
  313. might_sleep();
  314. trace_drv_sta_add(local, sdata, sta);
  315. if (local->ops->sta_add)
  316. ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
  317. trace_drv_return_int(local, ret);
  318. return ret;
  319. }
  320. static inline void drv_sta_remove(struct ieee80211_local *local,
  321. struct ieee80211_sub_if_data *sdata,
  322. struct ieee80211_sta *sta)
  323. {
  324. might_sleep();
  325. trace_drv_sta_remove(local, sdata, sta);
  326. if (local->ops->sta_remove)
  327. local->ops->sta_remove(&local->hw, &sdata->vif, sta);
  328. trace_drv_return_void(local);
  329. }
  330. static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
  331. const struct ieee80211_tx_queue_params *params)
  332. {
  333. int ret = -EOPNOTSUPP;
  334. might_sleep();
  335. trace_drv_conf_tx(local, queue, params);
  336. if (local->ops->conf_tx)
  337. ret = local->ops->conf_tx(&local->hw, queue, params);
  338. trace_drv_return_int(local, ret);
  339. return ret;
  340. }
  341. static inline u64 drv_get_tsf(struct ieee80211_local *local)
  342. {
  343. u64 ret = -1ULL;
  344. might_sleep();
  345. trace_drv_get_tsf(local);
  346. if (local->ops->get_tsf)
  347. ret = local->ops->get_tsf(&local->hw);
  348. trace_drv_return_u64(local, ret);
  349. return ret;
  350. }
  351. static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
  352. {
  353. might_sleep();
  354. trace_drv_set_tsf(local, tsf);
  355. if (local->ops->set_tsf)
  356. local->ops->set_tsf(&local->hw, tsf);
  357. trace_drv_return_void(local);
  358. }
  359. static inline void drv_reset_tsf(struct ieee80211_local *local)
  360. {
  361. might_sleep();
  362. trace_drv_reset_tsf(local);
  363. if (local->ops->reset_tsf)
  364. local->ops->reset_tsf(&local->hw);
  365. trace_drv_return_void(local);
  366. }
  367. static inline int drv_tx_last_beacon(struct ieee80211_local *local)
  368. {
  369. int ret = 0; /* default unsuported op for less congestion */
  370. might_sleep();
  371. trace_drv_tx_last_beacon(local);
  372. if (local->ops->tx_last_beacon)
  373. ret = local->ops->tx_last_beacon(&local->hw);
  374. trace_drv_return_int(local, ret);
  375. return ret;
  376. }
  377. static inline int drv_ampdu_action(struct ieee80211_local *local,
  378. struct ieee80211_sub_if_data *sdata,
  379. enum ieee80211_ampdu_mlme_action action,
  380. struct ieee80211_sta *sta, u16 tid,
  381. u16 *ssn, u8 buf_size)
  382. {
  383. int ret = -EOPNOTSUPP;
  384. might_sleep();
  385. trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
  386. if (local->ops->ampdu_action)
  387. ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
  388. sta, tid, ssn, buf_size);
  389. trace_drv_return_int(local, ret);
  390. return ret;
  391. }
  392. static inline int drv_get_survey(struct ieee80211_local *local, int idx,
  393. struct survey_info *survey)
  394. {
  395. int ret = -EOPNOTSUPP;
  396. trace_drv_get_survey(local, idx, survey);
  397. if (local->ops->get_survey)
  398. ret = local->ops->get_survey(&local->hw, idx, survey);
  399. trace_drv_return_int(local, ret);
  400. return ret;
  401. }
  402. static inline void drv_rfkill_poll(struct ieee80211_local *local)
  403. {
  404. might_sleep();
  405. if (local->ops->rfkill_poll)
  406. local->ops->rfkill_poll(&local->hw);
  407. }
  408. static inline void drv_flush(struct ieee80211_local *local, bool drop)
  409. {
  410. might_sleep();
  411. trace_drv_flush(local, drop);
  412. if (local->ops->flush)
  413. local->ops->flush(&local->hw, drop);
  414. trace_drv_return_void(local);
  415. }
  416. static inline void drv_channel_switch(struct ieee80211_local *local,
  417. struct ieee80211_channel_switch *ch_switch)
  418. {
  419. might_sleep();
  420. trace_drv_channel_switch(local, ch_switch);
  421. local->ops->channel_switch(&local->hw, ch_switch);
  422. trace_drv_return_void(local);
  423. }
  424. static inline int drv_set_antenna(struct ieee80211_local *local,
  425. u32 tx_ant, u32 rx_ant)
  426. {
  427. int ret = -EOPNOTSUPP;
  428. might_sleep();
  429. if (local->ops->set_antenna)
  430. ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
  431. trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
  432. return ret;
  433. }
  434. static inline int drv_get_antenna(struct ieee80211_local *local,
  435. u32 *tx_ant, u32 *rx_ant)
  436. {
  437. int ret = -EOPNOTSUPP;
  438. might_sleep();
  439. if (local->ops->get_antenna)
  440. ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
  441. trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
  442. return ret;
  443. }
  444. static inline int drv_remain_on_channel(struct ieee80211_local *local,
  445. struct ieee80211_channel *chan,
  446. enum nl80211_channel_type chantype,
  447. unsigned int duration)
  448. {
  449. int ret;
  450. might_sleep();
  451. trace_drv_remain_on_channel(local, chan, chantype, duration);
  452. ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
  453. duration);
  454. trace_drv_return_int(local, ret);
  455. return ret;
  456. }
  457. static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
  458. {
  459. int ret;
  460. might_sleep();
  461. trace_drv_cancel_remain_on_channel(local);
  462. ret = local->ops->cancel_remain_on_channel(&local->hw);
  463. trace_drv_return_int(local, ret);
  464. return ret;
  465. }
  466. static inline int drv_offchannel_tx(struct ieee80211_local *local,
  467. struct sk_buff *skb,
  468. struct ieee80211_channel *chan,
  469. enum nl80211_channel_type channel_type,
  470. unsigned int wait)
  471. {
  472. int ret;
  473. might_sleep();
  474. trace_drv_offchannel_tx(local, skb, chan, channel_type, wait);
  475. ret = local->ops->offchannel_tx(&local->hw, skb, chan,
  476. channel_type, wait);
  477. trace_drv_return_int(local, ret);
  478. return ret;
  479. }
  480. static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
  481. {
  482. int ret;
  483. might_sleep();
  484. trace_drv_offchannel_tx_cancel_wait(local);
  485. ret = local->ops->offchannel_tx_cancel_wait(&local->hw);
  486. trace_drv_return_int(local, ret);
  487. return ret;
  488. }
  489. static inline int drv_set_ringparam(struct ieee80211_local *local,
  490. u32 tx, u32 rx)
  491. {
  492. int ret = -ENOTSUPP;
  493. might_sleep();
  494. trace_drv_set_ringparam(local, tx, rx);
  495. if (local->ops->set_ringparam)
  496. ret = local->ops->set_ringparam(&local->hw, tx, rx);
  497. trace_drv_return_int(local, ret);
  498. return ret;
  499. }
  500. static inline void drv_get_ringparam(struct ieee80211_local *local,
  501. u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
  502. {
  503. might_sleep();
  504. trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
  505. if (local->ops->get_ringparam)
  506. local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
  507. trace_drv_return_void(local);
  508. }
  509. static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
  510. {
  511. bool ret = false;
  512. might_sleep();
  513. trace_drv_tx_frames_pending(local);
  514. if (local->ops->tx_frames_pending)
  515. ret = local->ops->tx_frames_pending(&local->hw);
  516. trace_drv_return_bool(local, ret);
  517. return ret;
  518. }
  519. static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
  520. struct ieee80211_sub_if_data *sdata,
  521. const struct cfg80211_bitrate_mask *mask)
  522. {
  523. int ret = -EOPNOTSUPP;
  524. might_sleep();
  525. trace_drv_set_bitrate_mask(local, sdata, mask);
  526. if (local->ops->set_bitrate_mask)
  527. ret = local->ops->set_bitrate_mask(&local->hw,
  528. &sdata->vif, mask);
  529. trace_drv_return_int(local, ret);
  530. return ret;
  531. }
  532. static inline void drv_set_rekey_data(struct ieee80211_local *local,
  533. struct ieee80211_sub_if_data *sdata,
  534. struct cfg80211_gtk_rekey_data *data)
  535. {
  536. trace_drv_set_rekey_data(local, sdata, data);
  537. if (local->ops->set_rekey_data)
  538. local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
  539. trace_drv_return_void(local);
  540. }
  541. static inline void drv_rssi_callback(struct ieee80211_local *local,
  542. const enum ieee80211_rssi_event event)
  543. {
  544. trace_drv_rssi_callback(local, event);
  545. if (local->ops->rssi_callback)
  546. local->ops->rssi_callback(&local->hw, event);
  547. trace_drv_return_void(local);
  548. }
  549. #endif /* __MAC80211_DRIVER_OPS */