diff options
Diffstat (limited to 'net/mac80211/driver-ops.h')
| -rw-r--r-- | net/mac80211/driver-ops.h | 815 | 
1 files changed, 786 insertions, 29 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 4244554d218..bd782dcffcc 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -3,11 +3,67 @@  #include <net/mac80211.h>  #include "ieee80211_i.h" -#include "driver-trace.h" +#include "trace.h" -static inline int drv_tx(struct ieee80211_local *local, struct sk_buff *skb) +static inline bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)  { -	return local->ops->tx(&local->hw, skb); +	return !WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER), +		     "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n", +		     sdata->dev ? sdata->dev->name : sdata->name, sdata->flags); +} + +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 ieee80211_tx_control *control, +			  struct sk_buff *skb) +{ +	local->ops->tx(&local->hw, control, skb); +} + +static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata, +				      u32 sset, u8 *data) +{ +	struct ieee80211_local *local = sdata->local; +	if (local->ops->get_et_strings) { +		trace_drv_get_et_strings(local, sset); +		local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data); +		trace_drv_return_void(local); +	} +} + +static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata, +				    struct ethtool_stats *stats, +				    u64 *data) +{ +	struct ieee80211_local *local = sdata->local; +	if (local->ops->get_et_stats) { +		trace_drv_get_et_stats(local); +		local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data); +		trace_drv_return_void(local); +	} +} + +static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata, +					int sset) +{ +	struct ieee80211_local *local = sdata->local; +	int rv = 0; +	if (local->ops->get_et_sset_count) { +		trace_drv_get_et_sset_count(local, sset); +		rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif, +						   sset); +		trace_drv_return_int(local, rv); +	} +	return rv;  }  static inline int drv_start(struct ieee80211_local *local) @@ -41,16 +97,66 @@ static inline void drv_stop(struct ieee80211_local *local)  	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; +} + +static inline void drv_set_wakeup(struct ieee80211_local *local, +				  bool enabled) +{ +	might_sleep(); + +	if (!local->ops->set_wakeup) +		return; + +	trace_drv_set_wakeup(local, enabled); +	local->ops->set_wakeup(&local->hw, enabled); +	trace_drv_return_void(local); +} +#endif +  static inline int drv_add_interface(struct ieee80211_local *local, -				    struct ieee80211_vif *vif) +				    struct ieee80211_sub_if_data *sdata)  {  	int ret;  	might_sleep(); -	trace_drv_add_interface(local, vif_to_sdata(vif)); -	ret = local->ops->add_interface(&local->hw, vif); +	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN || +		    (sdata->vif.type == NL80211_IFTYPE_MONITOR && +		     !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF) && +		     !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE)))) +		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;  } @@ -62,6 +168,9 @@ static inline int drv_change_interface(struct ieee80211_local *local,  	might_sleep(); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; +  	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); @@ -69,12 +178,16 @@ static inline int drv_change_interface(struct ieee80211_local *local,  }  static inline void drv_remove_interface(struct ieee80211_local *local, -					struct ieee80211_vif *vif) +					struct ieee80211_sub_if_data *sdata)  {  	might_sleep(); -	trace_drv_remove_interface(local, vif_to_sdata(vif)); -	local->ops->remove_interface(&local->hw, vif); +	if (!check_sdata_in_driver(sdata)) +		return; + +	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);  } @@ -97,6 +210,20 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local,  {  	might_sleep(); +	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON | +				    BSS_CHANGED_BEACON_ENABLED) && +			 sdata->vif.type != NL80211_IFTYPE_AP && +			 sdata->vif.type != NL80211_IFTYPE_ADHOC && +			 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)) +		return; + +	if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE || +			 sdata->vif.type == NL80211_IFTYPE_MONITOR)) +		return; + +	if (!check_sdata_in_driver(sdata)) +		return; +  	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); @@ -153,6 +280,10 @@ static inline int drv_set_key(struct ieee80211_local *local,  	might_sleep(); +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; +  	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); @@ -170,6 +301,10 @@ static inline void drv_update_tkip_key(struct ieee80211_local *local,  	if (sta)  		ista = &sta->sta; +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return; +  	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, @@ -185,12 +320,65 @@ static inline int drv_hw_scan(struct ieee80211_local *local,  	might_sleep(); -	trace_drv_hw_scan(local, sdata, req); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	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(); + +	if (!check_sdata_in_driver(sdata)) +		return; + +	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(); + +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	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 int drv_sched_scan_stop(struct ieee80211_local *local, +				      struct ieee80211_sub_if_data *sdata) +{ +	int ret; + +	might_sleep(); + +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	trace_drv_sched_scan_stop(local, sdata); +	ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif); +	trace_drv_return_int(local, ret); + +	return ret; +} +  static inline void drv_sw_scan_start(struct ieee80211_local *local)  {  	might_sleep(); @@ -282,6 +470,10 @@ static inline void drv_sta_notify(struct ieee80211_local *local,  				  enum sta_notify_cmd cmd,  				  struct ieee80211_sta *sta)  { +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return; +  	trace_drv_sta_notify(local, sdata, cmd, sta);  	if (local->ops->sta_notify)  		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta); @@ -296,6 +488,10 @@ static inline int drv_sta_add(struct ieee80211_local *local,  	might_sleep(); +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; +  	trace_drv_sta_add(local, sdata, sta);  	if (local->ops->sta_add)  		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta); @@ -311,6 +507,10 @@ static inline void drv_sta_remove(struct ieee80211_local *local,  {  	might_sleep(); +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return; +  	trace_drv_sta_remove(local, sdata, sta);  	if (local->ops->sta_remove)  		local->ops->sta_remove(&local->hw, &sdata->vif, sta); @@ -318,56 +518,176 @@ static inline void drv_sta_remove(struct ieee80211_local *local,  	trace_drv_return_void(local);  } -static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue, +#ifdef CONFIG_MAC80211_DEBUGFS +static inline void drv_sta_add_debugfs(struct ieee80211_local *local, +				       struct ieee80211_sub_if_data *sdata, +				       struct ieee80211_sta *sta, +				       struct dentry *dir) +{ +	might_sleep(); + +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return; + +	if (local->ops->sta_add_debugfs) +		local->ops->sta_add_debugfs(&local->hw, &sdata->vif, +					    sta, dir); +} + +static inline void drv_sta_remove_debugfs(struct ieee80211_local *local, +					  struct ieee80211_sub_if_data *sdata, +					  struct ieee80211_sta *sta, +					  struct dentry *dir) +{ +	might_sleep(); + +	sdata = get_bss_sdata(sdata); +	check_sdata_in_driver(sdata); + +	if (local->ops->sta_remove_debugfs) +		local->ops->sta_remove_debugfs(&local->hw, &sdata->vif, +					       sta, dir); +} +#endif + +static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local, +					  struct ieee80211_sub_if_data *sdata, +					  struct sta_info *sta) +{ +	might_sleep(); + +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return; + +	trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta); +	if (local->ops->sta_pre_rcu_remove) +		local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif, +					       &sta->sta); +	trace_drv_return_void(local); +} + +static inline __must_check +int drv_sta_state(struct ieee80211_local *local, +		  struct ieee80211_sub_if_data *sdata, +		  struct sta_info *sta, +		  enum ieee80211_sta_state old_state, +		  enum ieee80211_sta_state new_state) +{ +	int ret = 0; + +	might_sleep(); + +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state); +	if (local->ops->sta_state) { +		ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta, +					    old_state, new_state); +	} else if (old_state == IEEE80211_STA_AUTH && +		   new_state == IEEE80211_STA_ASSOC) { +		ret = drv_sta_add(local, sdata, &sta->sta); +		if (ret == 0) +			sta->uploaded = true; +	} else if (old_state == IEEE80211_STA_ASSOC && +		   new_state == IEEE80211_STA_AUTH) { +		drv_sta_remove(local, sdata, &sta->sta); +	} +	trace_drv_return_int(local, ret); +	return ret; +} + +static inline void drv_sta_rc_update(struct ieee80211_local *local, +				     struct ieee80211_sub_if_data *sdata, +				     struct ieee80211_sta *sta, u32 changed) +{ +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return; + +	WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED && +		(sdata->vif.type != NL80211_IFTYPE_ADHOC && +		 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)); + +	trace_drv_sta_rc_update(local, sdata, sta, changed); +	if (local->ops->sta_rc_update) +		local->ops->sta_rc_update(&local->hw, &sdata->vif, +					  sta, changed); + +	trace_drv_return_void(local); +} + +static inline int drv_conf_tx(struct ieee80211_local *local, +			      struct ieee80211_sub_if_data *sdata, u16 ac,  			      const struct ieee80211_tx_queue_params *params)  {  	int ret = -EOPNOTSUPP;  	might_sleep(); -	trace_drv_conf_tx(local, queue, params); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	trace_drv_conf_tx(local, sdata, ac, params);  	if (local->ops->conf_tx) -		ret = local->ops->conf_tx(&local->hw, queue, params); +		ret = local->ops->conf_tx(&local->hw, &sdata->vif, +					  ac, params);  	trace_drv_return_int(local, ret);  	return ret;  } -static inline u64 drv_get_tsf(struct ieee80211_local *local) +static inline u64 drv_get_tsf(struct ieee80211_local *local, +			      struct ieee80211_sub_if_data *sdata)  {  	u64 ret = -1ULL;  	might_sleep(); -	trace_drv_get_tsf(local); +	if (!check_sdata_in_driver(sdata)) +		return ret; + +	trace_drv_get_tsf(local, sdata);  	if (local->ops->get_tsf) -		ret = local->ops->get_tsf(&local->hw); +		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, u64 tsf) +static inline void drv_set_tsf(struct ieee80211_local *local, +			       struct ieee80211_sub_if_data *sdata, +			       u64 tsf)  {  	might_sleep(); -	trace_drv_set_tsf(local, tsf); +	if (!check_sdata_in_driver(sdata)) +		return; + +	trace_drv_set_tsf(local, sdata, tsf);  	if (local->ops->set_tsf) -		local->ops->set_tsf(&local->hw, 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) +static inline void drv_reset_tsf(struct ieee80211_local *local, +				 struct ieee80211_sub_if_data *sdata)  {  	might_sleep(); -	trace_drv_reset_tsf(local); +	if (!check_sdata_in_driver(sdata)) +		return; + +	trace_drv_reset_tsf(local, sdata);  	if (local->ops->reset_tsf) -		local->ops->reset_tsf(&local->hw); +		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 = 1; +	int ret = 0; /* default unsupported op for less congestion */  	might_sleep(); @@ -382,17 +702,21 @@ 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) +				   u16 *ssn, u8 buf_size)  {  	int ret = -EOPNOTSUPP;  	might_sleep(); -	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn); +	sdata = get_bss_sdata(sdata); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	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); +					       sta, tid, ssn, buf_size);  	trace_drv_return_int(local, ret); @@ -422,13 +746,20 @@ static inline void drv_rfkill_poll(struct ieee80211_local *local)  		local->ops->rfkill_poll(&local->hw);  } -static inline void drv_flush(struct ieee80211_local *local, bool drop) +static inline void drv_flush(struct ieee80211_local *local, +			     struct ieee80211_sub_if_data *sdata, +			     u32 queues, bool drop)  { +	struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL; +  	might_sleep(); -	trace_drv_flush(local, drop); +	if (sdata && !check_sdata_in_driver(sdata)) +		return; + +	trace_drv_flush(local, queues, drop);  	if (local->ops->flush) -		local->ops->flush(&local->hw, drop); +		local->ops->flush(&local->hw, vif, queues, drop);  	trace_drv_return_void(local);  } @@ -465,4 +796,430 @@ static inline int drv_get_antenna(struct ieee80211_local *local,  	return ret;  } +static inline int drv_remain_on_channel(struct ieee80211_local *local, +					struct ieee80211_sub_if_data *sdata, +					struct ieee80211_channel *chan, +					unsigned int duration, +					enum ieee80211_roc_type type) +{ +	int ret; + +	might_sleep(); + +	trace_drv_remain_on_channel(local, sdata, chan, duration, type); +	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif, +					    chan, duration, type); +	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(); + +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	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) +{ +	if (!check_sdata_in_driver(sdata)) +		return; + +	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, +				     struct ieee80211_sub_if_data *sdata, +				     const enum ieee80211_rssi_event event) +{ +	trace_drv_rssi_callback(local, sdata, event); +	if (local->ops->rssi_callback) +		local->ops->rssi_callback(&local->hw, &sdata->vif, 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); +} + +static inline int drv_get_rssi(struct ieee80211_local *local, +				struct ieee80211_sub_if_data *sdata, +				struct ieee80211_sta *sta, +				s8 *rssi_dbm) +{ +	int ret; + +	might_sleep(); + +	ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm); +	trace_drv_get_rssi(local, sta, *rssi_dbm, ret); + +	return ret; +} + +static inline void drv_mgd_prepare_tx(struct ieee80211_local *local, +				      struct ieee80211_sub_if_data *sdata) +{ +	might_sleep(); + +	if (!check_sdata_in_driver(sdata)) +		return; +	WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION); + +	trace_drv_mgd_prepare_tx(local, sdata); +	if (local->ops->mgd_prepare_tx) +		local->ops->mgd_prepare_tx(&local->hw, &sdata->vif); +	trace_drv_return_void(local); +} + +static inline int drv_add_chanctx(struct ieee80211_local *local, +				  struct ieee80211_chanctx *ctx) +{ +	int ret = -EOPNOTSUPP; + +	trace_drv_add_chanctx(local, ctx); +	if (local->ops->add_chanctx) +		ret = local->ops->add_chanctx(&local->hw, &ctx->conf); +	trace_drv_return_int(local, ret); +	if (!ret) +		ctx->driver_present = true; + +	return ret; +} + +static inline void drv_remove_chanctx(struct ieee80211_local *local, +				      struct ieee80211_chanctx *ctx) +{ +	if (WARN_ON(!ctx->driver_present)) +		return; + +	trace_drv_remove_chanctx(local, ctx); +	if (local->ops->remove_chanctx) +		local->ops->remove_chanctx(&local->hw, &ctx->conf); +	trace_drv_return_void(local); +	ctx->driver_present = false; +} + +static inline void drv_change_chanctx(struct ieee80211_local *local, +				      struct ieee80211_chanctx *ctx, +				      u32 changed) +{ +	trace_drv_change_chanctx(local, ctx, changed); +	if (local->ops->change_chanctx) { +		WARN_ON_ONCE(!ctx->driver_present); +		local->ops->change_chanctx(&local->hw, &ctx->conf, changed); +	} +	trace_drv_return_void(local); +} + +static inline int drv_assign_vif_chanctx(struct ieee80211_local *local, +					 struct ieee80211_sub_if_data *sdata, +					 struct ieee80211_chanctx *ctx) +{ +	int ret = 0; + +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	trace_drv_assign_vif_chanctx(local, sdata, ctx); +	if (local->ops->assign_vif_chanctx) { +		WARN_ON_ONCE(!ctx->driver_present); +		ret = local->ops->assign_vif_chanctx(&local->hw, +						     &sdata->vif, +						     &ctx->conf); +	} +	trace_drv_return_int(local, ret); + +	return ret; +} + +static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local, +					    struct ieee80211_sub_if_data *sdata, +					    struct ieee80211_chanctx *ctx) +{ +	if (!check_sdata_in_driver(sdata)) +		return; + +	trace_drv_unassign_vif_chanctx(local, sdata, ctx); +	if (local->ops->unassign_vif_chanctx) { +		WARN_ON_ONCE(!ctx->driver_present); +		local->ops->unassign_vif_chanctx(&local->hw, +						 &sdata->vif, +						 &ctx->conf); +	} +	trace_drv_return_void(local); +} + +static inline int +drv_switch_vif_chanctx(struct ieee80211_local *local, +		       struct ieee80211_vif_chanctx_switch *vifs, +		       int n_vifs, +		       enum ieee80211_chanctx_switch_mode mode) +{ +	int ret = 0; +	int i; + +	if (!local->ops->switch_vif_chanctx) +		return -EOPNOTSUPP; + +	for (i = 0; i < n_vifs; i++) { +		struct ieee80211_chanctx *new_ctx = +			container_of(vifs[i].new_ctx, +				     struct ieee80211_chanctx, +				     conf); +		struct ieee80211_chanctx *old_ctx = +			container_of(vifs[i].old_ctx, +				     struct ieee80211_chanctx, +				     conf); + +		WARN_ON_ONCE(!old_ctx->driver_present); +		WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS && +			      new_ctx->driver_present) || +			     (mode == CHANCTX_SWMODE_REASSIGN_VIF && +			      !new_ctx->driver_present)); +	} + +	trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode); +	ret = local->ops->switch_vif_chanctx(&local->hw, +					     vifs, n_vifs, mode); +	trace_drv_return_int(local, ret); + +	if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) { +		for (i = 0; i < n_vifs; i++) { +			struct ieee80211_chanctx *new_ctx = +				container_of(vifs[i].new_ctx, +					     struct ieee80211_chanctx, +					     conf); +			struct ieee80211_chanctx *old_ctx = +				container_of(vifs[i].old_ctx, +					     struct ieee80211_chanctx, +					     conf); + +			new_ctx->driver_present = true; +			old_ctx->driver_present = false; +		} +	} + +	return ret; +} + +static inline int drv_start_ap(struct ieee80211_local *local, +			       struct ieee80211_sub_if_data *sdata) +{ +	int ret = 0; + +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf); +	if (local->ops->start_ap) +		ret = local->ops->start_ap(&local->hw, &sdata->vif); +	trace_drv_return_int(local, ret); +	return ret; +} + +static inline void drv_stop_ap(struct ieee80211_local *local, +			       struct ieee80211_sub_if_data *sdata) +{ +	if (!check_sdata_in_driver(sdata)) +		return; + +	trace_drv_stop_ap(local, sdata); +	if (local->ops->stop_ap) +		local->ops->stop_ap(&local->hw, &sdata->vif); +	trace_drv_return_void(local); +} + +static inline void drv_restart_complete(struct ieee80211_local *local) +{ +	might_sleep(); + +	trace_drv_restart_complete(local); +	if (local->ops->restart_complete) +		local->ops->restart_complete(&local->hw); +	trace_drv_return_void(local); +} + +static inline void +drv_set_default_unicast_key(struct ieee80211_local *local, +			    struct ieee80211_sub_if_data *sdata, +			    int key_idx) +{ +	if (!check_sdata_in_driver(sdata)) +		return; + +	WARN_ON_ONCE(key_idx < -1 || key_idx > 3); + +	trace_drv_set_default_unicast_key(local, sdata, key_idx); +	if (local->ops->set_default_unicast_key) +		local->ops->set_default_unicast_key(&local->hw, &sdata->vif, +						    key_idx); +	trace_drv_return_void(local); +} + +#if IS_ENABLED(CONFIG_IPV6) +static inline void drv_ipv6_addr_change(struct ieee80211_local *local, +					struct ieee80211_sub_if_data *sdata, +					struct inet6_dev *idev) +{ +	trace_drv_ipv6_addr_change(local, sdata); +	if (local->ops->ipv6_addr_change) +		local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev); +	trace_drv_return_void(local); +} +#endif + +static inline void +drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata, +			  struct cfg80211_chan_def *chandef) +{ +	struct ieee80211_local *local = sdata->local; + +	if (local->ops->channel_switch_beacon) { +		trace_drv_channel_switch_beacon(local, sdata, chandef); +		local->ops->channel_switch_beacon(&local->hw, &sdata->vif, +						  chandef); +	} +} + +static inline int drv_join_ibss(struct ieee80211_local *local, +				struct ieee80211_sub_if_data *sdata) +{ +	int ret = 0; + +	might_sleep(); +	if (!check_sdata_in_driver(sdata)) +		return -EIO; + +	trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf); +	if (local->ops->join_ibss) +		ret = local->ops->join_ibss(&local->hw, &sdata->vif); +	trace_drv_return_int(local, ret); +	return ret; +} + +static inline void drv_leave_ibss(struct ieee80211_local *local, +				  struct ieee80211_sub_if_data *sdata) +{ +	might_sleep(); +	if (!check_sdata_in_driver(sdata)) +		return; + +	trace_drv_leave_ibss(local, sdata); +	if (local->ops->leave_ibss) +		local->ops->leave_ibss(&local->hw, &sdata->vif); +	trace_drv_return_void(local); +} + +static inline u32 drv_get_expected_throughput(struct ieee80211_local *local, +					      struct ieee80211_sta *sta) +{ +	u32 ret = 0; + +	trace_drv_get_expected_throughput(sta); +	if (local->ops->get_expected_throughput) +		ret = local->ops->get_expected_throughput(sta); +	trace_drv_return_u32(local, ret); + +	return ret; +} +  #endif /* __MAC80211_DRIVER_OPS */  | 
