driver-ops.h 17 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,
  331. struct ieee80211_sub_if_data *sdata, u16 queue,
  332. const struct ieee80211_tx_queue_params *params)
  333. {
  334. int ret = -EOPNOTSUPP;
  335. might_sleep();
  336. trace_drv_conf_tx(local, sdata, queue, params);
  337. if (local->ops->conf_tx)
  338. ret = local->ops->conf_tx(&local->hw, &sdata->vif,
  339. queue, params);
  340. trace_drv_return_int(local, ret);
  341. return ret;
  342. }
  343. static inline u64 drv_get_tsf(struct ieee80211_local *local,
  344. struct ieee80211_sub_if_data *sdata)
  345. {
  346. u64 ret = -1ULL;
  347. might_sleep();
  348. trace_drv_get_tsf(local, sdata);
  349. if (local->ops->get_tsf)
  350. ret = local->ops->get_tsf(&local->hw, &sdata->vif);
  351. trace_drv_return_u64(local, ret);
  352. return ret;
  353. }
  354. static inline void drv_set_tsf(struct ieee80211_local *local,
  355. struct ieee80211_sub_if_data *sdata,
  356. u64 tsf)
  357. {
  358. might_sleep();
  359. trace_drv_set_tsf(local, sdata, tsf);
  360. if (local->ops->set_tsf)
  361. local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
  362. trace_drv_return_void(local);
  363. }
  364. static inline void drv_reset_tsf(struct ieee80211_local *local,
  365. struct ieee80211_sub_if_data *sdata)
  366. {
  367. might_sleep();
  368. trace_drv_reset_tsf(local, sdata);
  369. if (local->ops->reset_tsf)
  370. local->ops->reset_tsf(&local->hw, &sdata->vif);
  371. trace_drv_return_void(local);
  372. }
  373. static inline int drv_tx_last_beacon(struct ieee80211_local *local)
  374. {
  375. int ret = 0; /* default unsuported op for less congestion */
  376. might_sleep();
  377. trace_drv_tx_last_beacon(local);
  378. if (local->ops->tx_last_beacon)
  379. ret = local->ops->tx_last_beacon(&local->hw);
  380. trace_drv_return_int(local, ret);
  381. return ret;
  382. }
  383. static inline int drv_ampdu_action(struct ieee80211_local *local,
  384. struct ieee80211_sub_if_data *sdata,
  385. enum ieee80211_ampdu_mlme_action action,
  386. struct ieee80211_sta *sta, u16 tid,
  387. u16 *ssn, u8 buf_size)
  388. {
  389. int ret = -EOPNOTSUPP;
  390. might_sleep();
  391. trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
  392. if (local->ops->ampdu_action)
  393. ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
  394. sta, tid, ssn, buf_size);
  395. trace_drv_return_int(local, ret);
  396. return ret;
  397. }
  398. static inline int drv_get_survey(struct ieee80211_local *local, int idx,
  399. struct survey_info *survey)
  400. {
  401. int ret = -EOPNOTSUPP;
  402. trace_drv_get_survey(local, idx, survey);
  403. if (local->ops->get_survey)
  404. ret = local->ops->get_survey(&local->hw, idx, survey);
  405. trace_drv_return_int(local, ret);
  406. return ret;
  407. }
  408. static inline void drv_rfkill_poll(struct ieee80211_local *local)
  409. {
  410. might_sleep();
  411. if (local->ops->rfkill_poll)
  412. local->ops->rfkill_poll(&local->hw);
  413. }
  414. static inline void drv_flush(struct ieee80211_local *local, bool drop)
  415. {
  416. might_sleep();
  417. trace_drv_flush(local, drop);
  418. if (local->ops->flush)
  419. local->ops->flush(&local->hw, drop);
  420. trace_drv_return_void(local);
  421. }
  422. static inline void drv_channel_switch(struct ieee80211_local *local,
  423. struct ieee80211_channel_switch *ch_switch)
  424. {
  425. might_sleep();
  426. trace_drv_channel_switch(local, ch_switch);
  427. local->ops->channel_switch(&local->hw, ch_switch);
  428. trace_drv_return_void(local);
  429. }
  430. static inline int drv_set_antenna(struct ieee80211_local *local,
  431. u32 tx_ant, u32 rx_ant)
  432. {
  433. int ret = -EOPNOTSUPP;
  434. might_sleep();
  435. if (local->ops->set_antenna)
  436. ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
  437. trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
  438. return ret;
  439. }
  440. static inline int drv_get_antenna(struct ieee80211_local *local,
  441. u32 *tx_ant, u32 *rx_ant)
  442. {
  443. int ret = -EOPNOTSUPP;
  444. might_sleep();
  445. if (local->ops->get_antenna)
  446. ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
  447. trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
  448. return ret;
  449. }
  450. static inline int drv_remain_on_channel(struct ieee80211_local *local,
  451. struct ieee80211_channel *chan,
  452. enum nl80211_channel_type chantype,
  453. unsigned int duration)
  454. {
  455. int ret;
  456. might_sleep();
  457. trace_drv_remain_on_channel(local, chan, chantype, duration);
  458. ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
  459. duration);
  460. trace_drv_return_int(local, ret);
  461. return ret;
  462. }
  463. static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
  464. {
  465. int ret;
  466. might_sleep();
  467. trace_drv_cancel_remain_on_channel(local);
  468. ret = local->ops->cancel_remain_on_channel(&local->hw);
  469. trace_drv_return_int(local, ret);
  470. return ret;
  471. }
  472. static inline int drv_set_ringparam(struct ieee80211_local *local,
  473. u32 tx, u32 rx)
  474. {
  475. int ret = -ENOTSUPP;
  476. might_sleep();
  477. trace_drv_set_ringparam(local, tx, rx);
  478. if (local->ops->set_ringparam)
  479. ret = local->ops->set_ringparam(&local->hw, tx, rx);
  480. trace_drv_return_int(local, ret);
  481. return ret;
  482. }
  483. static inline void drv_get_ringparam(struct ieee80211_local *local,
  484. u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
  485. {
  486. might_sleep();
  487. trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
  488. if (local->ops->get_ringparam)
  489. local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
  490. trace_drv_return_void(local);
  491. }
  492. static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
  493. {
  494. bool ret = false;
  495. might_sleep();
  496. trace_drv_tx_frames_pending(local);
  497. if (local->ops->tx_frames_pending)
  498. ret = local->ops->tx_frames_pending(&local->hw);
  499. trace_drv_return_bool(local, ret);
  500. return ret;
  501. }
  502. static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
  503. struct ieee80211_sub_if_data *sdata,
  504. const struct cfg80211_bitrate_mask *mask)
  505. {
  506. int ret = -EOPNOTSUPP;
  507. might_sleep();
  508. trace_drv_set_bitrate_mask(local, sdata, mask);
  509. if (local->ops->set_bitrate_mask)
  510. ret = local->ops->set_bitrate_mask(&local->hw,
  511. &sdata->vif, mask);
  512. trace_drv_return_int(local, ret);
  513. return ret;
  514. }
  515. static inline void drv_set_rekey_data(struct ieee80211_local *local,
  516. struct ieee80211_sub_if_data *sdata,
  517. struct cfg80211_gtk_rekey_data *data)
  518. {
  519. trace_drv_set_rekey_data(local, sdata, data);
  520. if (local->ops->set_rekey_data)
  521. local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
  522. trace_drv_return_void(local);
  523. }
  524. static inline void drv_rssi_callback(struct ieee80211_local *local,
  525. const enum ieee80211_rssi_event event)
  526. {
  527. trace_drv_rssi_callback(local, event);
  528. if (local->ops->rssi_callback)
  529. local->ops->rssi_callback(&local->hw, event);
  530. trace_drv_return_void(local);
  531. }
  532. static inline void
  533. drv_release_buffered_frames(struct ieee80211_local *local,
  534. struct sta_info *sta, u16 tids, int num_frames,
  535. enum ieee80211_frame_release_type reason,
  536. bool more_data)
  537. {
  538. trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
  539. reason, more_data);
  540. if (local->ops->release_buffered_frames)
  541. local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
  542. num_frames, reason,
  543. more_data);
  544. trace_drv_return_void(local);
  545. }
  546. static inline void
  547. drv_allow_buffered_frames(struct ieee80211_local *local,
  548. struct sta_info *sta, u16 tids, int num_frames,
  549. enum ieee80211_frame_release_type reason,
  550. bool more_data)
  551. {
  552. trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
  553. reason, more_data);
  554. if (local->ops->allow_buffered_frames)
  555. local->ops->allow_buffered_frames(&local->hw, &sta->sta,
  556. tids, num_frames, reason,
  557. more_data);
  558. trace_drv_return_void(local);
  559. }
  560. #endif /* __MAC80211_DRIVER_OPS */