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 int
  175. drv_sched_scan_start(struct ieee80211_local *local,
  176. struct ieee80211_sub_if_data *sdata,
  177. struct cfg80211_sched_scan_request *req,
  178. struct ieee80211_sched_scan_ies *ies)
  179. {
  180. int ret;
  181. might_sleep();
  182. trace_drv_sched_scan_start(local, sdata);
  183. ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
  184. req, ies);
  185. trace_drv_return_int(local, ret);
  186. return ret;
  187. }
  188. static inline void drv_sched_scan_stop(struct ieee80211_local *local,
  189. struct ieee80211_sub_if_data *sdata)
  190. {
  191. might_sleep();
  192. trace_drv_sched_scan_stop(local, sdata);
  193. local->ops->sched_scan_stop(&local->hw, &sdata->vif);
  194. trace_drv_return_void(local);
  195. }
  196. static inline void drv_sw_scan_start(struct ieee80211_local *local)
  197. {
  198. might_sleep();
  199. trace_drv_sw_scan_start(local);
  200. if (local->ops->sw_scan_start)
  201. local->ops->sw_scan_start(&local->hw);
  202. trace_drv_return_void(local);
  203. }
  204. static inline void drv_sw_scan_complete(struct ieee80211_local *local)
  205. {
  206. might_sleep();
  207. trace_drv_sw_scan_complete(local);
  208. if (local->ops->sw_scan_complete)
  209. local->ops->sw_scan_complete(&local->hw);
  210. trace_drv_return_void(local);
  211. }
  212. static inline int drv_get_stats(struct ieee80211_local *local,
  213. struct ieee80211_low_level_stats *stats)
  214. {
  215. int ret = -EOPNOTSUPP;
  216. might_sleep();
  217. if (local->ops->get_stats)
  218. ret = local->ops->get_stats(&local->hw, stats);
  219. trace_drv_get_stats(local, stats, ret);
  220. return ret;
  221. }
  222. static inline void drv_get_tkip_seq(struct ieee80211_local *local,
  223. u8 hw_key_idx, u32 *iv32, u16 *iv16)
  224. {
  225. if (local->ops->get_tkip_seq)
  226. local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
  227. trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
  228. }
  229. static inline int drv_set_frag_threshold(struct ieee80211_local *local,
  230. u32 value)
  231. {
  232. int ret = 0;
  233. might_sleep();
  234. trace_drv_set_frag_threshold(local, value);
  235. if (local->ops->set_frag_threshold)
  236. ret = local->ops->set_frag_threshold(&local->hw, value);
  237. trace_drv_return_int(local, ret);
  238. return ret;
  239. }
  240. static inline int drv_set_rts_threshold(struct ieee80211_local *local,
  241. u32 value)
  242. {
  243. int ret = 0;
  244. might_sleep();
  245. trace_drv_set_rts_threshold(local, value);
  246. if (local->ops->set_rts_threshold)
  247. ret = local->ops->set_rts_threshold(&local->hw, value);
  248. trace_drv_return_int(local, ret);
  249. return ret;
  250. }
  251. static inline int drv_set_coverage_class(struct ieee80211_local *local,
  252. u8 value)
  253. {
  254. int ret = 0;
  255. might_sleep();
  256. trace_drv_set_coverage_class(local, value);
  257. if (local->ops->set_coverage_class)
  258. local->ops->set_coverage_class(&local->hw, value);
  259. else
  260. ret = -EOPNOTSUPP;
  261. trace_drv_return_int(local, ret);
  262. return ret;
  263. }
  264. static inline void drv_sta_notify(struct ieee80211_local *local,
  265. struct ieee80211_sub_if_data *sdata,
  266. enum sta_notify_cmd cmd,
  267. struct ieee80211_sta *sta)
  268. {
  269. trace_drv_sta_notify(local, sdata, cmd, sta);
  270. if (local->ops->sta_notify)
  271. local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
  272. trace_drv_return_void(local);
  273. }
  274. static inline int drv_sta_add(struct ieee80211_local *local,
  275. struct ieee80211_sub_if_data *sdata,
  276. struct ieee80211_sta *sta)
  277. {
  278. int ret = 0;
  279. might_sleep();
  280. trace_drv_sta_add(local, sdata, sta);
  281. if (local->ops->sta_add)
  282. ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
  283. trace_drv_return_int(local, ret);
  284. return ret;
  285. }
  286. static inline void drv_sta_remove(struct ieee80211_local *local,
  287. struct ieee80211_sub_if_data *sdata,
  288. struct ieee80211_sta *sta)
  289. {
  290. might_sleep();
  291. trace_drv_sta_remove(local, sdata, sta);
  292. if (local->ops->sta_remove)
  293. local->ops->sta_remove(&local->hw, &sdata->vif, sta);
  294. trace_drv_return_void(local);
  295. }
  296. static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
  297. const struct ieee80211_tx_queue_params *params)
  298. {
  299. int ret = -EOPNOTSUPP;
  300. might_sleep();
  301. trace_drv_conf_tx(local, queue, params);
  302. if (local->ops->conf_tx)
  303. ret = local->ops->conf_tx(&local->hw, queue, params);
  304. trace_drv_return_int(local, ret);
  305. return ret;
  306. }
  307. static inline u64 drv_get_tsf(struct ieee80211_local *local)
  308. {
  309. u64 ret = -1ULL;
  310. might_sleep();
  311. trace_drv_get_tsf(local);
  312. if (local->ops->get_tsf)
  313. ret = local->ops->get_tsf(&local->hw);
  314. trace_drv_return_u64(local, ret);
  315. return ret;
  316. }
  317. static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
  318. {
  319. might_sleep();
  320. trace_drv_set_tsf(local, tsf);
  321. if (local->ops->set_tsf)
  322. local->ops->set_tsf(&local->hw, tsf);
  323. trace_drv_return_void(local);
  324. }
  325. static inline void drv_reset_tsf(struct ieee80211_local *local)
  326. {
  327. might_sleep();
  328. trace_drv_reset_tsf(local);
  329. if (local->ops->reset_tsf)
  330. local->ops->reset_tsf(&local->hw);
  331. trace_drv_return_void(local);
  332. }
  333. static inline int drv_tx_last_beacon(struct ieee80211_local *local)
  334. {
  335. int ret = 0; /* default unsuported op for less congestion */
  336. might_sleep();
  337. trace_drv_tx_last_beacon(local);
  338. if (local->ops->tx_last_beacon)
  339. ret = local->ops->tx_last_beacon(&local->hw);
  340. trace_drv_return_int(local, ret);
  341. return ret;
  342. }
  343. static inline int drv_ampdu_action(struct ieee80211_local *local,
  344. struct ieee80211_sub_if_data *sdata,
  345. enum ieee80211_ampdu_mlme_action action,
  346. struct ieee80211_sta *sta, u16 tid,
  347. u16 *ssn, u8 buf_size)
  348. {
  349. int ret = -EOPNOTSUPP;
  350. might_sleep();
  351. trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
  352. if (local->ops->ampdu_action)
  353. ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
  354. sta, tid, ssn, buf_size);
  355. trace_drv_return_int(local, ret);
  356. return ret;
  357. }
  358. static inline int drv_get_survey(struct ieee80211_local *local, int idx,
  359. struct survey_info *survey)
  360. {
  361. int ret = -EOPNOTSUPP;
  362. trace_drv_get_survey(local, idx, survey);
  363. if (local->ops->get_survey)
  364. ret = local->ops->get_survey(&local->hw, idx, survey);
  365. trace_drv_return_int(local, ret);
  366. return ret;
  367. }
  368. static inline void drv_rfkill_poll(struct ieee80211_local *local)
  369. {
  370. might_sleep();
  371. if (local->ops->rfkill_poll)
  372. local->ops->rfkill_poll(&local->hw);
  373. }
  374. static inline void drv_flush(struct ieee80211_local *local, bool drop)
  375. {
  376. might_sleep();
  377. trace_drv_flush(local, drop);
  378. if (local->ops->flush)
  379. local->ops->flush(&local->hw, drop);
  380. trace_drv_return_void(local);
  381. }
  382. static inline void drv_channel_switch(struct ieee80211_local *local,
  383. struct ieee80211_channel_switch *ch_switch)
  384. {
  385. might_sleep();
  386. trace_drv_channel_switch(local, ch_switch);
  387. local->ops->channel_switch(&local->hw, ch_switch);
  388. trace_drv_return_void(local);
  389. }
  390. static inline int drv_set_antenna(struct ieee80211_local *local,
  391. u32 tx_ant, u32 rx_ant)
  392. {
  393. int ret = -EOPNOTSUPP;
  394. might_sleep();
  395. if (local->ops->set_antenna)
  396. ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
  397. trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
  398. return ret;
  399. }
  400. static inline int drv_get_antenna(struct ieee80211_local *local,
  401. u32 *tx_ant, u32 *rx_ant)
  402. {
  403. int ret = -EOPNOTSUPP;
  404. might_sleep();
  405. if (local->ops->get_antenna)
  406. ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
  407. trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
  408. return ret;
  409. }
  410. static inline int drv_remain_on_channel(struct ieee80211_local *local,
  411. struct ieee80211_channel *chan,
  412. enum nl80211_channel_type chantype,
  413. unsigned int duration)
  414. {
  415. int ret;
  416. might_sleep();
  417. trace_drv_remain_on_channel(local, chan, chantype, duration);
  418. ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
  419. duration);
  420. trace_drv_return_int(local, ret);
  421. return ret;
  422. }
  423. static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
  424. {
  425. int ret;
  426. might_sleep();
  427. trace_drv_cancel_remain_on_channel(local);
  428. ret = local->ops->cancel_remain_on_channel(&local->hw);
  429. trace_drv_return_int(local, ret);
  430. return ret;
  431. }
  432. static inline int drv_offchannel_tx(struct ieee80211_local *local,
  433. struct sk_buff *skb,
  434. struct ieee80211_channel *chan,
  435. enum nl80211_channel_type channel_type,
  436. unsigned int wait)
  437. {
  438. int ret;
  439. might_sleep();
  440. trace_drv_offchannel_tx(local, skb, chan, channel_type, wait);
  441. ret = local->ops->offchannel_tx(&local->hw, skb, chan,
  442. channel_type, wait);
  443. trace_drv_return_int(local, ret);
  444. return ret;
  445. }
  446. static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
  447. {
  448. int ret;
  449. might_sleep();
  450. trace_drv_offchannel_tx_cancel_wait(local);
  451. ret = local->ops->offchannel_tx_cancel_wait(&local->hw);
  452. trace_drv_return_int(local, ret);
  453. return ret;
  454. }
  455. static inline int drv_set_ringparam(struct ieee80211_local *local,
  456. u32 tx, u32 rx)
  457. {
  458. int ret = -ENOTSUPP;
  459. might_sleep();
  460. trace_drv_set_ringparam(local, tx, rx);
  461. if (local->ops->set_ringparam)
  462. ret = local->ops->set_ringparam(&local->hw, tx, rx);
  463. trace_drv_return_int(local, ret);
  464. return ret;
  465. }
  466. static inline void drv_get_ringparam(struct ieee80211_local *local,
  467. u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
  468. {
  469. might_sleep();
  470. trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
  471. if (local->ops->get_ringparam)
  472. local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
  473. trace_drv_return_void(local);
  474. }
  475. static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
  476. {
  477. bool ret = false;
  478. might_sleep();
  479. trace_drv_tx_frames_pending(local);
  480. if (local->ops->tx_frames_pending)
  481. ret = local->ops->tx_frames_pending(&local->hw);
  482. trace_drv_return_bool(local, ret);
  483. return ret;
  484. }
  485. static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
  486. struct ieee80211_sub_if_data *sdata,
  487. const struct cfg80211_bitrate_mask *mask)
  488. {
  489. int ret = -EOPNOTSUPP;
  490. might_sleep();
  491. trace_drv_set_bitrate_mask(local, sdata, mask);
  492. if (local->ops->set_bitrate_mask)
  493. ret = local->ops->set_bitrate_mask(&local->hw,
  494. &sdata->vif, mask);
  495. trace_drv_return_int(local, ret);
  496. return ret;
  497. }
  498. #endif /* __MAC80211_DRIVER_OPS */