driver-ops.h 15 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 u64 drv_prepare_multicast(struct ieee80211_local *local,
  104. struct netdev_hw_addr_list *mc_list)
  105. {
  106. u64 ret = 0;
  107. trace_drv_prepare_multicast(local, mc_list->count);
  108. if (local->ops->prepare_multicast)
  109. ret = local->ops->prepare_multicast(&local->hw, mc_list);
  110. trace_drv_return_u64(local, ret);
  111. return ret;
  112. }
  113. static inline void drv_configure_filter(struct ieee80211_local *local,
  114. unsigned int changed_flags,
  115. unsigned int *total_flags,
  116. u64 multicast)
  117. {
  118. might_sleep();
  119. trace_drv_configure_filter(local, changed_flags, total_flags,
  120. multicast);
  121. local->ops->configure_filter(&local->hw, changed_flags, total_flags,
  122. multicast);
  123. trace_drv_return_void(local);
  124. }
  125. static inline int drv_set_tim(struct ieee80211_local *local,
  126. struct ieee80211_sta *sta, bool set)
  127. {
  128. int ret = 0;
  129. trace_drv_set_tim(local, sta, set);
  130. if (local->ops->set_tim)
  131. ret = local->ops->set_tim(&local->hw, sta, set);
  132. trace_drv_return_int(local, ret);
  133. return ret;
  134. }
  135. static inline int drv_set_key(struct ieee80211_local *local,
  136. enum set_key_cmd cmd,
  137. struct ieee80211_sub_if_data *sdata,
  138. struct ieee80211_sta *sta,
  139. struct ieee80211_key_conf *key)
  140. {
  141. int ret;
  142. might_sleep();
  143. trace_drv_set_key(local, cmd, sdata, sta, key);
  144. ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
  145. trace_drv_return_int(local, ret);
  146. return ret;
  147. }
  148. static inline void drv_update_tkip_key(struct ieee80211_local *local,
  149. struct ieee80211_sub_if_data *sdata,
  150. struct ieee80211_key_conf *conf,
  151. struct sta_info *sta, u32 iv32,
  152. u16 *phase1key)
  153. {
  154. struct ieee80211_sta *ista = NULL;
  155. if (sta)
  156. ista = &sta->sta;
  157. trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
  158. if (local->ops->update_tkip_key)
  159. local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
  160. ista, iv32, phase1key);
  161. trace_drv_return_void(local);
  162. }
  163. static inline int drv_hw_scan(struct ieee80211_local *local,
  164. struct ieee80211_sub_if_data *sdata,
  165. struct cfg80211_scan_request *req)
  166. {
  167. int ret;
  168. might_sleep();
  169. trace_drv_hw_scan(local, sdata);
  170. ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
  171. trace_drv_return_int(local, ret);
  172. return ret;
  173. }
  174. static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
  175. struct ieee80211_sub_if_data *sdata)
  176. {
  177. might_sleep();
  178. trace_drv_cancel_hw_scan(local, sdata);
  179. local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
  180. trace_drv_return_void(local);
  181. }
  182. static inline int
  183. drv_sched_scan_start(struct ieee80211_local *local,
  184. struct ieee80211_sub_if_data *sdata,
  185. struct cfg80211_sched_scan_request *req,
  186. struct ieee80211_sched_scan_ies *ies)
  187. {
  188. int ret;
  189. might_sleep();
  190. trace_drv_sched_scan_start(local, sdata);
  191. ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
  192. req, ies);
  193. trace_drv_return_int(local, ret);
  194. return ret;
  195. }
  196. static inline void drv_sched_scan_stop(struct ieee80211_local *local,
  197. struct ieee80211_sub_if_data *sdata)
  198. {
  199. might_sleep();
  200. trace_drv_sched_scan_stop(local, sdata);
  201. local->ops->sched_scan_stop(&local->hw, &sdata->vif);
  202. trace_drv_return_void(local);
  203. }
  204. static inline void drv_sw_scan_start(struct ieee80211_local *local)
  205. {
  206. might_sleep();
  207. trace_drv_sw_scan_start(local);
  208. if (local->ops->sw_scan_start)
  209. local->ops->sw_scan_start(&local->hw);
  210. trace_drv_return_void(local);
  211. }
  212. static inline void drv_sw_scan_complete(struct ieee80211_local *local)
  213. {
  214. might_sleep();
  215. trace_drv_sw_scan_complete(local);
  216. if (local->ops->sw_scan_complete)
  217. local->ops->sw_scan_complete(&local->hw);
  218. trace_drv_return_void(local);
  219. }
  220. static inline int drv_get_stats(struct ieee80211_local *local,
  221. struct ieee80211_low_level_stats *stats)
  222. {
  223. int ret = -EOPNOTSUPP;
  224. might_sleep();
  225. if (local->ops->get_stats)
  226. ret = local->ops->get_stats(&local->hw, stats);
  227. trace_drv_get_stats(local, stats, ret);
  228. return ret;
  229. }
  230. static inline void drv_get_tkip_seq(struct ieee80211_local *local,
  231. u8 hw_key_idx, u32 *iv32, u16 *iv16)
  232. {
  233. if (local->ops->get_tkip_seq)
  234. local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
  235. trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
  236. }
  237. static inline int drv_set_frag_threshold(struct ieee80211_local *local,
  238. u32 value)
  239. {
  240. int ret = 0;
  241. might_sleep();
  242. trace_drv_set_frag_threshold(local, value);
  243. if (local->ops->set_frag_threshold)
  244. ret = local->ops->set_frag_threshold(&local->hw, value);
  245. trace_drv_return_int(local, ret);
  246. return ret;
  247. }
  248. static inline int drv_set_rts_threshold(struct ieee80211_local *local,
  249. u32 value)
  250. {
  251. int ret = 0;
  252. might_sleep();
  253. trace_drv_set_rts_threshold(local, value);
  254. if (local->ops->set_rts_threshold)
  255. ret = local->ops->set_rts_threshold(&local->hw, value);
  256. trace_drv_return_int(local, ret);
  257. return ret;
  258. }
  259. static inline int drv_set_coverage_class(struct ieee80211_local *local,
  260. u8 value)
  261. {
  262. int ret = 0;
  263. might_sleep();
  264. trace_drv_set_coverage_class(local, value);
  265. if (local->ops->set_coverage_class)
  266. local->ops->set_coverage_class(&local->hw, value);
  267. else
  268. ret = -EOPNOTSUPP;
  269. trace_drv_return_int(local, ret);
  270. return ret;
  271. }
  272. static inline void drv_sta_notify(struct ieee80211_local *local,
  273. struct ieee80211_sub_if_data *sdata,
  274. enum sta_notify_cmd cmd,
  275. struct ieee80211_sta *sta)
  276. {
  277. trace_drv_sta_notify(local, sdata, cmd, sta);
  278. if (local->ops->sta_notify)
  279. local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
  280. trace_drv_return_void(local);
  281. }
  282. static inline int drv_sta_add(struct ieee80211_local *local,
  283. struct ieee80211_sub_if_data *sdata,
  284. struct ieee80211_sta *sta)
  285. {
  286. int ret = 0;
  287. might_sleep();
  288. trace_drv_sta_add(local, sdata, sta);
  289. if (local->ops->sta_add)
  290. ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
  291. trace_drv_return_int(local, ret);
  292. return ret;
  293. }
  294. static inline void drv_sta_remove(struct ieee80211_local *local,
  295. struct ieee80211_sub_if_data *sdata,
  296. struct ieee80211_sta *sta)
  297. {
  298. might_sleep();
  299. trace_drv_sta_remove(local, sdata, sta);
  300. if (local->ops->sta_remove)
  301. local->ops->sta_remove(&local->hw, &sdata->vif, sta);
  302. trace_drv_return_void(local);
  303. }
  304. static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
  305. const struct ieee80211_tx_queue_params *params)
  306. {
  307. int ret = -EOPNOTSUPP;
  308. might_sleep();
  309. trace_drv_conf_tx(local, queue, params);
  310. if (local->ops->conf_tx)
  311. ret = local->ops->conf_tx(&local->hw, queue, params);
  312. trace_drv_return_int(local, ret);
  313. return ret;
  314. }
  315. static inline u64 drv_get_tsf(struct ieee80211_local *local)
  316. {
  317. u64 ret = -1ULL;
  318. might_sleep();
  319. trace_drv_get_tsf(local);
  320. if (local->ops->get_tsf)
  321. ret = local->ops->get_tsf(&local->hw);
  322. trace_drv_return_u64(local, ret);
  323. return ret;
  324. }
  325. static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
  326. {
  327. might_sleep();
  328. trace_drv_set_tsf(local, tsf);
  329. if (local->ops->set_tsf)
  330. local->ops->set_tsf(&local->hw, tsf);
  331. trace_drv_return_void(local);
  332. }
  333. static inline void drv_reset_tsf(struct ieee80211_local *local)
  334. {
  335. might_sleep();
  336. trace_drv_reset_tsf(local);
  337. if (local->ops->reset_tsf)
  338. local->ops->reset_tsf(&local->hw);
  339. trace_drv_return_void(local);
  340. }
  341. static inline int drv_tx_last_beacon(struct ieee80211_local *local)
  342. {
  343. int ret = 0; /* default unsuported op for less congestion */
  344. might_sleep();
  345. trace_drv_tx_last_beacon(local);
  346. if (local->ops->tx_last_beacon)
  347. ret = local->ops->tx_last_beacon(&local->hw);
  348. trace_drv_return_int(local, ret);
  349. return ret;
  350. }
  351. static inline int drv_ampdu_action(struct ieee80211_local *local,
  352. struct ieee80211_sub_if_data *sdata,
  353. enum ieee80211_ampdu_mlme_action action,
  354. struct ieee80211_sta *sta, u16 tid,
  355. u16 *ssn, u8 buf_size)
  356. {
  357. int ret = -EOPNOTSUPP;
  358. might_sleep();
  359. trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
  360. if (local->ops->ampdu_action)
  361. ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
  362. sta, tid, ssn, buf_size);
  363. trace_drv_return_int(local, ret);
  364. return ret;
  365. }
  366. static inline int drv_get_survey(struct ieee80211_local *local, int idx,
  367. struct survey_info *survey)
  368. {
  369. int ret = -EOPNOTSUPP;
  370. trace_drv_get_survey(local, idx, survey);
  371. if (local->ops->get_survey)
  372. ret = local->ops->get_survey(&local->hw, idx, survey);
  373. trace_drv_return_int(local, ret);
  374. return ret;
  375. }
  376. static inline void drv_rfkill_poll(struct ieee80211_local *local)
  377. {
  378. might_sleep();
  379. if (local->ops->rfkill_poll)
  380. local->ops->rfkill_poll(&local->hw);
  381. }
  382. static inline void drv_flush(struct ieee80211_local *local, bool drop)
  383. {
  384. might_sleep();
  385. trace_drv_flush(local, drop);
  386. if (local->ops->flush)
  387. local->ops->flush(&local->hw, drop);
  388. trace_drv_return_void(local);
  389. }
  390. static inline void drv_channel_switch(struct ieee80211_local *local,
  391. struct ieee80211_channel_switch *ch_switch)
  392. {
  393. might_sleep();
  394. trace_drv_channel_switch(local, ch_switch);
  395. local->ops->channel_switch(&local->hw, ch_switch);
  396. trace_drv_return_void(local);
  397. }
  398. static inline int drv_set_antenna(struct ieee80211_local *local,
  399. u32 tx_ant, u32 rx_ant)
  400. {
  401. int ret = -EOPNOTSUPP;
  402. might_sleep();
  403. if (local->ops->set_antenna)
  404. ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
  405. trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
  406. return ret;
  407. }
  408. static inline int drv_get_antenna(struct ieee80211_local *local,
  409. u32 *tx_ant, u32 *rx_ant)
  410. {
  411. int ret = -EOPNOTSUPP;
  412. might_sleep();
  413. if (local->ops->get_antenna)
  414. ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
  415. trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
  416. return ret;
  417. }
  418. static inline int drv_remain_on_channel(struct ieee80211_local *local,
  419. struct ieee80211_channel *chan,
  420. enum nl80211_channel_type chantype,
  421. unsigned int duration)
  422. {
  423. int ret;
  424. might_sleep();
  425. trace_drv_remain_on_channel(local, chan, chantype, duration);
  426. ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
  427. duration);
  428. trace_drv_return_int(local, ret);
  429. return ret;
  430. }
  431. static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
  432. {
  433. int ret;
  434. might_sleep();
  435. trace_drv_cancel_remain_on_channel(local);
  436. ret = local->ops->cancel_remain_on_channel(&local->hw);
  437. trace_drv_return_int(local, ret);
  438. return ret;
  439. }
  440. static inline int drv_offchannel_tx(struct ieee80211_local *local,
  441. struct sk_buff *skb,
  442. struct ieee80211_channel *chan,
  443. enum nl80211_channel_type channel_type,
  444. unsigned int wait)
  445. {
  446. int ret;
  447. might_sleep();
  448. trace_drv_offchannel_tx(local, skb, chan, channel_type, wait);
  449. ret = local->ops->offchannel_tx(&local->hw, skb, chan,
  450. channel_type, wait);
  451. trace_drv_return_int(local, ret);
  452. return ret;
  453. }
  454. static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
  455. {
  456. int ret;
  457. might_sleep();
  458. trace_drv_offchannel_tx_cancel_wait(local);
  459. ret = local->ops->offchannel_tx_cancel_wait(&local->hw);
  460. trace_drv_return_int(local, ret);
  461. return ret;
  462. }
  463. static inline int drv_set_ringparam(struct ieee80211_local *local,
  464. u32 tx, u32 rx)
  465. {
  466. int ret = -ENOTSUPP;
  467. might_sleep();
  468. trace_drv_set_ringparam(local, tx, rx);
  469. if (local->ops->set_ringparam)
  470. ret = local->ops->set_ringparam(&local->hw, tx, rx);
  471. trace_drv_return_int(local, ret);
  472. return ret;
  473. }
  474. static inline void drv_get_ringparam(struct ieee80211_local *local,
  475. u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
  476. {
  477. might_sleep();
  478. trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
  479. if (local->ops->get_ringparam)
  480. local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
  481. trace_drv_return_void(local);
  482. }
  483. static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
  484. {
  485. bool ret = false;
  486. might_sleep();
  487. trace_drv_tx_frames_pending(local);
  488. if (local->ops->tx_frames_pending)
  489. ret = local->ops->tx_frames_pending(&local->hw);
  490. trace_drv_return_bool(local, ret);
  491. return ret;
  492. }
  493. static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
  494. struct ieee80211_sub_if_data *sdata,
  495. const struct cfg80211_bitrate_mask *mask)
  496. {
  497. int ret = -EOPNOTSUPP;
  498. might_sleep();
  499. trace_drv_set_bitrate_mask(local, sdata, mask);
  500. if (local->ops->set_bitrate_mask)
  501. ret = local->ops->set_bitrate_mask(&local->hw,
  502. &sdata->vif, mask);
  503. trace_drv_return_int(local, ret);
  504. return ret;
  505. }
  506. static inline void drv_set_rekey_data(struct ieee80211_local *local,
  507. struct ieee80211_sub_if_data *sdata,
  508. struct cfg80211_gtk_rekey_data *data)
  509. {
  510. trace_drv_set_rekey_data(local, sdata, data);
  511. if (local->ops->set_rekey_data)
  512. local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
  513. trace_drv_return_void(local);
  514. }
  515. #endif /* __MAC80211_DRIVER_OPS */