forked from Minki/linux
615f7b9bb1
mac80211 maintains a running average of the RSSI when a STA is associated to an AP. Report threshold events to any driver that has registered callbacks for getting RSSI measurements. Implement callbacks in mac80211 so that driver can set thresholds. Add callbacks in mac80211 which is invoked when an RSSI threshold event occurs. mac80211: add tracing to rssi_reports api and remove extraneous fn argument mac80211: scale up rssi thresholds from driver by 16 before storing Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
669 lines
16 KiB
C
669 lines
16 KiB
C
#ifndef __MAC80211_DRIVER_OPS
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#define __MAC80211_DRIVER_OPS
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#include <net/mac80211.h>
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#include "ieee80211_i.h"
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#include "driver-trace.h"
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static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
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{
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local->ops->tx(&local->hw, skb);
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}
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static inline int drv_start(struct ieee80211_local *local)
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{
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int ret;
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might_sleep();
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trace_drv_start(local);
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local->started = true;
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smp_mb();
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ret = local->ops->start(&local->hw);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_stop(struct ieee80211_local *local)
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{
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might_sleep();
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trace_drv_stop(local);
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local->ops->stop(&local->hw);
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trace_drv_return_void(local);
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/* sync away all work on the tasklet before clearing started */
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tasklet_disable(&local->tasklet);
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tasklet_enable(&local->tasklet);
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barrier();
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local->started = false;
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}
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#ifdef CONFIG_PM
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static inline int drv_suspend(struct ieee80211_local *local,
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struct cfg80211_wowlan *wowlan)
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{
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int ret;
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might_sleep();
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trace_drv_suspend(local);
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ret = local->ops->suspend(&local->hw, wowlan);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline int drv_resume(struct ieee80211_local *local)
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{
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int ret;
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might_sleep();
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trace_drv_resume(local);
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ret = local->ops->resume(&local->hw);
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trace_drv_return_int(local, ret);
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return ret;
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}
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#endif
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static inline int drv_add_interface(struct ieee80211_local *local,
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struct ieee80211_vif *vif)
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{
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int ret;
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might_sleep();
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trace_drv_add_interface(local, vif_to_sdata(vif));
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ret = local->ops->add_interface(&local->hw, vif);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline int drv_change_interface(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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enum nl80211_iftype type, bool p2p)
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{
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int ret;
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might_sleep();
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trace_drv_change_interface(local, sdata, type, p2p);
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ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_remove_interface(struct ieee80211_local *local,
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struct ieee80211_vif *vif)
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{
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might_sleep();
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trace_drv_remove_interface(local, vif_to_sdata(vif));
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local->ops->remove_interface(&local->hw, vif);
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trace_drv_return_void(local);
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}
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static inline int drv_config(struct ieee80211_local *local, u32 changed)
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{
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int ret;
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might_sleep();
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trace_drv_config(local, changed);
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ret = local->ops->config(&local->hw, changed);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_bss_info_changed(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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struct ieee80211_bss_conf *info,
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u32 changed)
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{
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might_sleep();
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trace_drv_bss_info_changed(local, sdata, info, changed);
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if (local->ops->bss_info_changed)
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local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
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trace_drv_return_void(local);
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}
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static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
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struct netdev_hw_addr_list *mc_list)
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{
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u64 ret = 0;
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trace_drv_prepare_multicast(local, mc_list->count);
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if (local->ops->prepare_multicast)
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ret = local->ops->prepare_multicast(&local->hw, mc_list);
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trace_drv_return_u64(local, ret);
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return ret;
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}
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static inline void drv_configure_filter(struct ieee80211_local *local,
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unsigned int changed_flags,
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unsigned int *total_flags,
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u64 multicast)
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{
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might_sleep();
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trace_drv_configure_filter(local, changed_flags, total_flags,
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multicast);
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local->ops->configure_filter(&local->hw, changed_flags, total_flags,
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multicast);
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trace_drv_return_void(local);
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}
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static inline int drv_set_tim(struct ieee80211_local *local,
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struct ieee80211_sta *sta, bool set)
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{
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int ret = 0;
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trace_drv_set_tim(local, sta, set);
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if (local->ops->set_tim)
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ret = local->ops->set_tim(&local->hw, sta, set);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline int drv_set_key(struct ieee80211_local *local,
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enum set_key_cmd cmd,
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struct ieee80211_sub_if_data *sdata,
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struct ieee80211_sta *sta,
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struct ieee80211_key_conf *key)
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{
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int ret;
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might_sleep();
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trace_drv_set_key(local, cmd, sdata, sta, key);
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ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_update_tkip_key(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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struct ieee80211_key_conf *conf,
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struct sta_info *sta, u32 iv32,
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u16 *phase1key)
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{
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struct ieee80211_sta *ista = NULL;
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if (sta)
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ista = &sta->sta;
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trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
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if (local->ops->update_tkip_key)
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local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
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ista, iv32, phase1key);
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trace_drv_return_void(local);
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}
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static inline int drv_hw_scan(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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struct cfg80211_scan_request *req)
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{
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int ret;
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might_sleep();
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trace_drv_hw_scan(local, sdata);
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ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata)
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{
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might_sleep();
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trace_drv_cancel_hw_scan(local, sdata);
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local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
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trace_drv_return_void(local);
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}
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static inline int
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drv_sched_scan_start(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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struct cfg80211_sched_scan_request *req,
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struct ieee80211_sched_scan_ies *ies)
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{
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int ret;
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might_sleep();
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trace_drv_sched_scan_start(local, sdata);
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ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
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req, ies);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_sched_scan_stop(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata)
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{
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might_sleep();
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trace_drv_sched_scan_stop(local, sdata);
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local->ops->sched_scan_stop(&local->hw, &sdata->vif);
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trace_drv_return_void(local);
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}
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static inline void drv_sw_scan_start(struct ieee80211_local *local)
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{
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might_sleep();
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trace_drv_sw_scan_start(local);
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if (local->ops->sw_scan_start)
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local->ops->sw_scan_start(&local->hw);
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trace_drv_return_void(local);
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}
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static inline void drv_sw_scan_complete(struct ieee80211_local *local)
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{
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might_sleep();
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trace_drv_sw_scan_complete(local);
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if (local->ops->sw_scan_complete)
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local->ops->sw_scan_complete(&local->hw);
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trace_drv_return_void(local);
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}
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static inline int drv_get_stats(struct ieee80211_local *local,
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struct ieee80211_low_level_stats *stats)
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{
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int ret = -EOPNOTSUPP;
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might_sleep();
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if (local->ops->get_stats)
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ret = local->ops->get_stats(&local->hw, stats);
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trace_drv_get_stats(local, stats, ret);
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return ret;
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}
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static inline void drv_get_tkip_seq(struct ieee80211_local *local,
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u8 hw_key_idx, u32 *iv32, u16 *iv16)
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{
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if (local->ops->get_tkip_seq)
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local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
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trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
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}
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static inline int drv_set_frag_threshold(struct ieee80211_local *local,
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u32 value)
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{
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int ret = 0;
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might_sleep();
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trace_drv_set_frag_threshold(local, value);
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if (local->ops->set_frag_threshold)
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ret = local->ops->set_frag_threshold(&local->hw, value);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline int drv_set_rts_threshold(struct ieee80211_local *local,
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u32 value)
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{
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int ret = 0;
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might_sleep();
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trace_drv_set_rts_threshold(local, value);
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if (local->ops->set_rts_threshold)
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ret = local->ops->set_rts_threshold(&local->hw, value);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline int drv_set_coverage_class(struct ieee80211_local *local,
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u8 value)
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{
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int ret = 0;
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might_sleep();
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trace_drv_set_coverage_class(local, value);
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if (local->ops->set_coverage_class)
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local->ops->set_coverage_class(&local->hw, value);
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else
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ret = -EOPNOTSUPP;
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_sta_notify(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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enum sta_notify_cmd cmd,
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struct ieee80211_sta *sta)
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{
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trace_drv_sta_notify(local, sdata, cmd, sta);
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if (local->ops->sta_notify)
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local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
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trace_drv_return_void(local);
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}
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static inline int drv_sta_add(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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struct ieee80211_sta *sta)
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{
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int ret = 0;
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might_sleep();
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trace_drv_sta_add(local, sdata, sta);
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if (local->ops->sta_add)
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ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_sta_remove(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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struct ieee80211_sta *sta)
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{
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might_sleep();
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trace_drv_sta_remove(local, sdata, sta);
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if (local->ops->sta_remove)
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local->ops->sta_remove(&local->hw, &sdata->vif, sta);
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trace_drv_return_void(local);
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}
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static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
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const struct ieee80211_tx_queue_params *params)
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{
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int ret = -EOPNOTSUPP;
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might_sleep();
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trace_drv_conf_tx(local, queue, params);
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if (local->ops->conf_tx)
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ret = local->ops->conf_tx(&local->hw, queue, params);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline u64 drv_get_tsf(struct ieee80211_local *local)
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{
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u64 ret = -1ULL;
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might_sleep();
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trace_drv_get_tsf(local);
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if (local->ops->get_tsf)
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ret = local->ops->get_tsf(&local->hw);
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trace_drv_return_u64(local, ret);
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return ret;
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}
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static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
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{
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might_sleep();
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trace_drv_set_tsf(local, tsf);
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if (local->ops->set_tsf)
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local->ops->set_tsf(&local->hw, tsf);
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trace_drv_return_void(local);
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}
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static inline void drv_reset_tsf(struct ieee80211_local *local)
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{
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might_sleep();
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trace_drv_reset_tsf(local);
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if (local->ops->reset_tsf)
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local->ops->reset_tsf(&local->hw);
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trace_drv_return_void(local);
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}
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static inline int drv_tx_last_beacon(struct ieee80211_local *local)
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{
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int ret = 0; /* default unsuported op for less congestion */
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might_sleep();
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trace_drv_tx_last_beacon(local);
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if (local->ops->tx_last_beacon)
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ret = local->ops->tx_last_beacon(&local->hw);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline int drv_ampdu_action(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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enum ieee80211_ampdu_mlme_action action,
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struct ieee80211_sta *sta, u16 tid,
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u16 *ssn, u8 buf_size)
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{
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int ret = -EOPNOTSUPP;
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might_sleep();
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trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
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if (local->ops->ampdu_action)
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ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
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sta, tid, ssn, buf_size);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline int drv_get_survey(struct ieee80211_local *local, int idx,
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struct survey_info *survey)
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{
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int ret = -EOPNOTSUPP;
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trace_drv_get_survey(local, idx, survey);
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if (local->ops->get_survey)
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ret = local->ops->get_survey(&local->hw, idx, survey);
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trace_drv_return_int(local, ret);
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return ret;
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}
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static inline void drv_rfkill_poll(struct ieee80211_local *local)
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{
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might_sleep();
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if (local->ops->rfkill_poll)
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local->ops->rfkill_poll(&local->hw);
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}
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static inline void drv_flush(struct ieee80211_local *local, bool drop)
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{
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might_sleep();
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trace_drv_flush(local, drop);
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if (local->ops->flush)
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local->ops->flush(&local->hw, drop);
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trace_drv_return_void(local);
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}
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static inline void drv_channel_switch(struct ieee80211_local *local,
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struct ieee80211_channel_switch *ch_switch)
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{
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might_sleep();
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trace_drv_channel_switch(local, ch_switch);
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local->ops->channel_switch(&local->hw, ch_switch);
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trace_drv_return_void(local);
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}
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static inline int drv_set_antenna(struct ieee80211_local *local,
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u32 tx_ant, u32 rx_ant)
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{
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int ret = -EOPNOTSUPP;
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might_sleep();
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if (local->ops->set_antenna)
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ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
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trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
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return ret;
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}
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static inline int drv_get_antenna(struct ieee80211_local *local,
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u32 *tx_ant, u32 *rx_ant)
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{
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int ret = -EOPNOTSUPP;
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might_sleep();
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if (local->ops->get_antenna)
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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_offchannel_tx(struct ieee80211_local *local,
|
|
struct sk_buff *skb,
|
|
struct ieee80211_channel *chan,
|
|
enum nl80211_channel_type channel_type,
|
|
unsigned int wait)
|
|
{
|
|
int ret;
|
|
|
|
might_sleep();
|
|
|
|
trace_drv_offchannel_tx(local, skb, chan, channel_type, wait);
|
|
ret = local->ops->offchannel_tx(&local->hw, skb, chan,
|
|
channel_type, wait);
|
|
trace_drv_return_int(local, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
|
|
{
|
|
int ret;
|
|
|
|
might_sleep();
|
|
|
|
trace_drv_offchannel_tx_cancel_wait(local);
|
|
ret = local->ops->offchannel_tx_cancel_wait(&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();
|
|
|
|
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)
|
|
{
|
|
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);
|
|
}
|
|
#endif /* __MAC80211_DRIVER_OPS */
|