#ifndef __MAC80211_DRIVER_OPS
  #define __MAC80211_DRIVER_OPS
  
  #include <net/mac80211.h>
  #include "ieee80211_i.h"

  #include "driver-trace.h"

  static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
  {
  	WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER));
  }

  static inline struct ieee80211_sub_if_data *
  get_bss_sdata(struct ieee80211_sub_if_data *sdata)
  {
  	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
  		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
  				     u.ap);
  
  	return sdata;
  }

  static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)

  {

  	local->ops->tx(&local->hw, skb);

  }

  static inline void drv_tx_frags(struct ieee80211_local *local,
  				struct ieee80211_vif *vif,
  				struct ieee80211_sta *sta,
  				struct sk_buff_head *skbs)
  {
  	local->ops->tx_frags(&local->hw, vif, sta, skbs);
  }

  static inline int drv_start(struct ieee80211_local *local)
  {

  	int ret;

  	might_sleep();

  	trace_drv_start(local);

  	local->started = true;
  	smp_mb();
  	ret = local->ops->start(&local->hw);

  	trace_drv_return_int(local, ret);

  	return ret;

  }
  
  static inline void drv_stop(struct ieee80211_local *local)
  {

  	might_sleep();

  	trace_drv_stop(local);

  	local->ops->stop(&local->hw);
  	trace_drv_return_void(local);

  
  	/* sync away all work on the tasklet before clearing started */
  	tasklet_disable(&local->tasklet);
  	tasklet_enable(&local->tasklet);
  
  	barrier();
  
  	local->started = false;

  }

  #ifdef CONFIG_PM
  static inline int drv_suspend(struct ieee80211_local *local,
  			      struct cfg80211_wowlan *wowlan)
  {
  	int ret;
  
  	might_sleep();
  
  	trace_drv_suspend(local);
  	ret = local->ops->suspend(&local->hw, wowlan);
  	trace_drv_return_int(local, ret);
  	return ret;
  }
  
  static inline int drv_resume(struct ieee80211_local *local)
  {
  	int ret;
  
  	might_sleep();
  
  	trace_drv_resume(local);
  	ret = local->ops->resume(&local->hw);
  	trace_drv_return_int(local, ret);
  	return ret;
  }
  #endif

  static inline int drv_add_interface(struct ieee80211_local *local,

  				    struct ieee80211_sub_if_data *sdata)

  {

  	int ret;
  
  	might_sleep();

  	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
  		    sdata->vif.type == NL80211_IFTYPE_MONITOR))
  		return -EINVAL;
  
  	trace_drv_add_interface(local, sdata);
  	ret = local->ops->add_interface(&local->hw, &sdata->vif);

  	trace_drv_return_int(local, ret);

  
  	if (ret == 0)
  		sdata->flags |= IEEE80211_SDATA_IN_DRIVER;

  	return ret;

  }

  static inline int drv_change_interface(struct ieee80211_local *local,
  				       struct ieee80211_sub_if_data *sdata,

  				       enum nl80211_iftype type, bool p2p)

  {
  	int ret;
  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_change_interface(local, sdata, type, p2p);
  	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);

  	trace_drv_return_int(local, ret);
  	return ret;
  }

  static inline void drv_remove_interface(struct ieee80211_local *local,

  					struct ieee80211_sub_if_data *sdata)

  {

  	might_sleep();

  	check_sdata_in_driver(sdata);
  
  	trace_drv_remove_interface(local, sdata);
  	local->ops->remove_interface(&local->hw, &sdata->vif);
  	sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;

  	trace_drv_return_void(local);

  }
  
  static inline int drv_config(struct ieee80211_local *local, u32 changed)
  {

  	int ret;
  
  	might_sleep();

  	trace_drv_config(local, changed);

  	ret = local->ops->config(&local->hw, changed);

  	trace_drv_return_int(local, ret);

  	return ret;

  }
  
  static inline void drv_bss_info_changed(struct ieee80211_local *local,

  					struct ieee80211_sub_if_data *sdata,

  					struct ieee80211_bss_conf *info,
  					u32 changed)
  {

  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_bss_info_changed(local, sdata, info, changed);

  	if (local->ops->bss_info_changed)

  		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);

  	trace_drv_return_void(local);

  }

  static inline int drv_tx_sync(struct ieee80211_local *local,
  			      struct ieee80211_sub_if_data *sdata,
  			      const u8 *bssid,
  			      enum ieee80211_tx_sync_type type)
  {
  	int ret = 0;
  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_tx_sync(local, sdata, bssid, type);
  	if (local->ops->tx_sync)
  		ret = local->ops->tx_sync(&local->hw, &sdata->vif,
  					  bssid, type);
  	trace_drv_return_int(local, ret);
  	return ret;
  }
  
  static inline void drv_finish_tx_sync(struct ieee80211_local *local,
  				      struct ieee80211_sub_if_data *sdata,
  				      const u8 *bssid,
  				      enum ieee80211_tx_sync_type type)
  {
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_finish_tx_sync(local, sdata, bssid, type);
  	if (local->ops->finish_tx_sync)
  		local->ops->finish_tx_sync(&local->hw, &sdata->vif,
  					   bssid, type);
  	trace_drv_return_void(local);
  }

  static inline u64 drv_prepare_multicast(struct ieee80211_local *local,

  					struct netdev_hw_addr_list *mc_list)

  {
  	u64 ret = 0;

  	trace_drv_prepare_multicast(local, mc_list->count);

  	if (local->ops->prepare_multicast)

  		ret = local->ops->prepare_multicast(&local->hw, mc_list);

  	trace_drv_return_u64(local, ret);

  
  	return ret;
  }

  static inline void drv_configure_filter(struct ieee80211_local *local,
  					unsigned int changed_flags,
  					unsigned int *total_flags,

  					u64 multicast)

  {

  	might_sleep();

  	trace_drv_configure_filter(local, changed_flags, total_flags,

  				   multicast);

  	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
  				     multicast);
  	trace_drv_return_void(local);

  }
  
  static inline int drv_set_tim(struct ieee80211_local *local,
  			      struct ieee80211_sta *sta, bool set)
  {

  	int ret = 0;

  	trace_drv_set_tim(local, sta, set);

  	if (local->ops->set_tim)

  		ret = local->ops->set_tim(&local->hw, sta, set);

  	trace_drv_return_int(local, ret);

  	return ret;

  }
  
  static inline int drv_set_key(struct ieee80211_local *local,

  			      enum set_key_cmd cmd,
  			      struct ieee80211_sub_if_data *sdata,

  			      struct ieee80211_sta *sta,
  			      struct ieee80211_key_conf *key)
  {

  	int ret;
  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_set_key(local, cmd, sdata, sta, key);

  	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);

  	trace_drv_return_int(local, ret);

  	return ret;

  }
  
  static inline void drv_update_tkip_key(struct ieee80211_local *local,

  				       struct ieee80211_sub_if_data *sdata,

  				       struct ieee80211_key_conf *conf,

  				       struct sta_info *sta, u32 iv32,

  				       u16 *phase1key)
  {

  	struct ieee80211_sta *ista = NULL;

  	if (sta)
  		ista = &sta->sta;

  	check_sdata_in_driver(sdata);

  	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);

  	if (local->ops->update_tkip_key)

  		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
  					    ista, iv32, phase1key);

  	trace_drv_return_void(local);

  }
  
  static inline int drv_hw_scan(struct ieee80211_local *local,

  			      struct ieee80211_sub_if_data *sdata,

  			      struct cfg80211_scan_request *req)
  {

  	int ret;
  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_hw_scan(local, sdata);

  	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);

  	trace_drv_return_int(local, ret);

  	return ret;

  }

  static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
  				      struct ieee80211_sub_if_data *sdata)
  {
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_cancel_hw_scan(local, sdata);
  	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
  	trace_drv_return_void(local);
  }

  static inline int
  drv_sched_scan_start(struct ieee80211_local *local,
  		     struct ieee80211_sub_if_data *sdata,
  		     struct cfg80211_sched_scan_request *req,
  		     struct ieee80211_sched_scan_ies *ies)
  {
  	int ret;
  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_sched_scan_start(local, sdata);
  	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
  					      req, ies);
  	trace_drv_return_int(local, ret);
  	return ret;
  }
  
  static inline void drv_sched_scan_stop(struct ieee80211_local *local,
  				       struct ieee80211_sub_if_data *sdata)
  {
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_sched_scan_stop(local, sdata);
  	local->ops->sched_scan_stop(&local->hw, &sdata->vif);
  	trace_drv_return_void(local);
  }

  static inline void drv_sw_scan_start(struct ieee80211_local *local)
  {

  	might_sleep();

  	trace_drv_sw_scan_start(local);

  	if (local->ops->sw_scan_start)
  		local->ops->sw_scan_start(&local->hw);

  	trace_drv_return_void(local);

  }
  
  static inline void drv_sw_scan_complete(struct ieee80211_local *local)
  {

  	might_sleep();

  	trace_drv_sw_scan_complete(local);

  	if (local->ops->sw_scan_complete)
  		local->ops->sw_scan_complete(&local->hw);

  	trace_drv_return_void(local);

  }
  
  static inline int drv_get_stats(struct ieee80211_local *local,
  				struct ieee80211_low_level_stats *stats)
  {

  	int ret = -EOPNOTSUPP;

  	might_sleep();

  	if (local->ops->get_stats)
  		ret = local->ops->get_stats(&local->hw, stats);
  	trace_drv_get_stats(local, stats, ret);
  
  	return ret;

  }
  
  static inline void drv_get_tkip_seq(struct ieee80211_local *local,
  				    u8 hw_key_idx, u32 *iv32, u16 *iv16)
  {
  	if (local->ops->get_tkip_seq)
  		local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);

  	trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);

  }

  static inline int drv_set_frag_threshold(struct ieee80211_local *local,
  					u32 value)
  {
  	int ret = 0;
  
  	might_sleep();
  
  	trace_drv_set_frag_threshold(local, value);
  	if (local->ops->set_frag_threshold)
  		ret = local->ops->set_frag_threshold(&local->hw, value);
  	trace_drv_return_int(local, ret);
  	return ret;
  }

  static inline int drv_set_rts_threshold(struct ieee80211_local *local,
  					u32 value)
  {

  	int ret = 0;

  
  	might_sleep();

  	trace_drv_set_rts_threshold(local, value);

  	if (local->ops->set_rts_threshold)

  		ret = local->ops->set_rts_threshold(&local->hw, value);

  	trace_drv_return_int(local, ret);

  	return ret;

  }

  static inline int drv_set_coverage_class(struct ieee80211_local *local,
  					 u8 value)
  {
  	int ret = 0;
  	might_sleep();

  	trace_drv_set_coverage_class(local, value);

  	if (local->ops->set_coverage_class)
  		local->ops->set_coverage_class(&local->hw, value);
  	else
  		ret = -EOPNOTSUPP;

  	trace_drv_return_int(local, ret);

  	return ret;
  }

  static inline void drv_sta_notify(struct ieee80211_local *local,

  				  struct ieee80211_sub_if_data *sdata,

  				  enum sta_notify_cmd cmd,
  				  struct ieee80211_sta *sta)
  {

  	sdata = get_bss_sdata(sdata);

  	check_sdata_in_driver(sdata);

  	trace_drv_sta_notify(local, sdata, cmd, sta);

  	if (local->ops->sta_notify)

  		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);

  	trace_drv_return_void(local);

  }

  static inline int drv_sta_add(struct ieee80211_local *local,
  			      struct ieee80211_sub_if_data *sdata,
  			      struct ieee80211_sta *sta)
  {
  	int ret = 0;
  
  	might_sleep();

  	sdata = get_bss_sdata(sdata);

  	check_sdata_in_driver(sdata);

  	trace_drv_sta_add(local, sdata, sta);

  	if (local->ops->sta_add)
  		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);

  	trace_drv_return_int(local, ret);

  
  	return ret;
  }
  
  static inline void drv_sta_remove(struct ieee80211_local *local,
  				  struct ieee80211_sub_if_data *sdata,
  				  struct ieee80211_sta *sta)
  {
  	might_sleep();

  	sdata = get_bss_sdata(sdata);

  	check_sdata_in_driver(sdata);

  	trace_drv_sta_remove(local, sdata, sta);

  	if (local->ops->sta_remove)
  		local->ops->sta_remove(&local->hw, &sdata->vif, sta);

  	trace_drv_return_void(local);

  }

  static inline int drv_conf_tx(struct ieee80211_local *local,
  			      struct ieee80211_sub_if_data *sdata, u16 queue,

  			      const struct ieee80211_tx_queue_params *params)
  {

  	int ret = -EOPNOTSUPP;

  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_conf_tx(local, sdata, queue, params);

  	if (local->ops->conf_tx)

  		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
  					  queue, params);

  	trace_drv_return_int(local, ret);

  	return ret;

  }

  static inline u64 drv_get_tsf(struct ieee80211_local *local,
  			      struct ieee80211_sub_if_data *sdata)

  {

  	u64 ret = -1ULL;

  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_get_tsf(local, sdata);

  	if (local->ops->get_tsf)

  		ret = local->ops->get_tsf(&local->hw, &sdata->vif);

  	trace_drv_return_u64(local, ret);

  	return ret;

  }

  static inline void drv_set_tsf(struct ieee80211_local *local,
  			       struct ieee80211_sub_if_data *sdata,
  			       u64 tsf)

  {

  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_set_tsf(local, sdata, tsf);

  	if (local->ops->set_tsf)

  		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);

  	trace_drv_return_void(local);

  }

  static inline void drv_reset_tsf(struct ieee80211_local *local,
  				 struct ieee80211_sub_if_data *sdata)

  {

  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_reset_tsf(local, sdata);

  	if (local->ops->reset_tsf)

  		local->ops->reset_tsf(&local->hw, &sdata->vif);

  	trace_drv_return_void(local);

  }
  
  static inline int drv_tx_last_beacon(struct ieee80211_local *local)
  {

  	int ret = 0; /* default unsuported op for less congestion */

  
  	might_sleep();

  	trace_drv_tx_last_beacon(local);

  	if (local->ops->tx_last_beacon)

  		ret = local->ops->tx_last_beacon(&local->hw);

  	trace_drv_return_int(local, ret);

  	return ret;

  }
  
  static inline int drv_ampdu_action(struct ieee80211_local *local,

  				   struct ieee80211_sub_if_data *sdata,

  				   enum ieee80211_ampdu_mlme_action action,
  				   struct ieee80211_sta *sta, u16 tid,

  				   u16 *ssn, u8 buf_size)

  {

  	int ret = -EOPNOTSUPP;

  
  	might_sleep();

  	sdata = get_bss_sdata(sdata);

  	check_sdata_in_driver(sdata);

  	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);

  	if (local->ops->ampdu_action)

  		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,

  					       sta, tid, ssn, buf_size);

  	trace_drv_return_int(local, ret);

  	return ret;

  }

  static inline int drv_get_survey(struct ieee80211_local *local, int idx,
  				struct survey_info *survey)
  {
  	int ret = -EOPNOTSUPP;

  
  	trace_drv_get_survey(local, idx, survey);

  	if (local->ops->get_survey)

  		ret = local->ops->get_survey(&local->hw, idx, survey);

  
  	trace_drv_return_int(local, ret);

  	return ret;
  }

  
  static inline void drv_rfkill_poll(struct ieee80211_local *local)
  {

  	might_sleep();

  	if (local->ops->rfkill_poll)
  		local->ops->rfkill_poll(&local->hw);
  }

  
  static inline void drv_flush(struct ieee80211_local *local, bool drop)
  {

  	might_sleep();

  	trace_drv_flush(local, drop);
  	if (local->ops->flush)
  		local->ops->flush(&local->hw, drop);

  	trace_drv_return_void(local);

  }

  
  static inline void drv_channel_switch(struct ieee80211_local *local,
  				     struct ieee80211_channel_switch *ch_switch)
  {
  	might_sleep();

  	trace_drv_channel_switch(local, ch_switch);

  	local->ops->channel_switch(&local->hw, ch_switch);
  	trace_drv_return_void(local);

  }

  
  static inline int drv_set_antenna(struct ieee80211_local *local,
  				  u32 tx_ant, u32 rx_ant)
  {
  	int ret = -EOPNOTSUPP;
  	might_sleep();
  	if (local->ops->set_antenna)
  		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
  	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
  	return ret;
  }
  
  static inline int drv_get_antenna(struct ieee80211_local *local,
  				  u32 *tx_ant, u32 *rx_ant)
  {
  	int ret = -EOPNOTSUPP;
  	might_sleep();
  	if (local->ops->get_antenna)
  		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
  	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
  	return ret;
  }

  static inline int drv_remain_on_channel(struct ieee80211_local *local,
  					struct ieee80211_channel *chan,
  					enum nl80211_channel_type chantype,
  					unsigned int duration)
  {
  	int ret;
  
  	might_sleep();
  
  	trace_drv_remain_on_channel(local, chan, chantype, duration);
  	ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
  					    duration);
  	trace_drv_return_int(local, ret);
  
  	return ret;
  }
  
  static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
  {
  	int ret;
  
  	might_sleep();
  
  	trace_drv_cancel_remain_on_channel(local);
  	ret = local->ops->cancel_remain_on_channel(&local->hw);
  	trace_drv_return_int(local, ret);

  
  	return ret;
  }

  static inline int drv_set_ringparam(struct ieee80211_local *local,
  				    u32 tx, u32 rx)
  {
  	int ret = -ENOTSUPP;
  
  	might_sleep();
  
  	trace_drv_set_ringparam(local, tx, rx);
  	if (local->ops->set_ringparam)
  		ret = local->ops->set_ringparam(&local->hw, tx, rx);
  	trace_drv_return_int(local, ret);
  
  	return ret;
  }
  
  static inline void drv_get_ringparam(struct ieee80211_local *local,
  				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
  {
  	might_sleep();
  
  	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
  	if (local->ops->get_ringparam)
  		local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
  	trace_drv_return_void(local);
  }

  static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
  {
  	bool ret = false;
  
  	might_sleep();
  
  	trace_drv_tx_frames_pending(local);
  	if (local->ops->tx_frames_pending)
  		ret = local->ops->tx_frames_pending(&local->hw);
  	trace_drv_return_bool(local, ret);
  
  	return ret;
  }

  
  static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
  				       struct ieee80211_sub_if_data *sdata,
  				       const struct cfg80211_bitrate_mask *mask)
  {
  	int ret = -EOPNOTSUPP;
  
  	might_sleep();

  	check_sdata_in_driver(sdata);

  	trace_drv_set_bitrate_mask(local, sdata, mask);
  	if (local->ops->set_bitrate_mask)
  		ret = local->ops->set_bitrate_mask(&local->hw,
  						   &sdata->vif, mask);
  	trace_drv_return_int(local, ret);
  
  	return ret;
  }

  static inline void drv_set_rekey_data(struct ieee80211_local *local,
  				      struct ieee80211_sub_if_data *sdata,
  				      struct cfg80211_gtk_rekey_data *data)
  {

  	check_sdata_in_driver(sdata);

  	trace_drv_set_rekey_data(local, sdata, data);
  	if (local->ops->set_rekey_data)
  		local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
  	trace_drv_return_void(local);
  }

  static inline void drv_rssi_callback(struct ieee80211_local *local,
  				     const enum ieee80211_rssi_event event)
  {
  	trace_drv_rssi_callback(local, event);
  	if (local->ops->rssi_callback)
  		local->ops->rssi_callback(&local->hw, event);
  	trace_drv_return_void(local);
  }

  
  static inline void
  drv_release_buffered_frames(struct ieee80211_local *local,
  			    struct sta_info *sta, u16 tids, int num_frames,
  			    enum ieee80211_frame_release_type reason,
  			    bool more_data)
  {
  	trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames,
  					  reason, more_data);
  	if (local->ops->release_buffered_frames)
  		local->ops->release_buffered_frames(&local->hw, &sta->sta, tids,
  						    num_frames, reason,
  						    more_data);
  	trace_drv_return_void(local);
  }

  
  static inline void
  drv_allow_buffered_frames(struct ieee80211_local *local,
  			  struct sta_info *sta, u16 tids, int num_frames,
  			  enum ieee80211_frame_release_type reason,
  			  bool more_data)
  {
  	trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames,
  					reason, more_data);
  	if (local->ops->allow_buffered_frames)
  		local->ops->allow_buffered_frames(&local->hw, &sta->sta,
  						  tids, num_frames, reason,
  						  more_data);
  	trace_drv_return_void(local);
  }

  #endif /* __MAC80211_DRIVER_OPS */