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Commit cc45ae54 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: make __ieee80211_recalc_idle static 



Since it's not called from any file outside where
it's defined, the function can be static if moved
up in the file before the callers.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 371a255e

net/mac80211/ieee80211_i.h

+0 −1
Original line number Diff line number Diff line
@@ -1284,7 +1284,6 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 
			     enum nl80211_iftype type);

void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);

void ieee80211_remove_interfaces(struct ieee80211_local *local);

u32 __ieee80211_recalc_idle(struct ieee80211_local *local);

void ieee80211_recalc_idle(struct ieee80211_local *local);

void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,

				    const int offset);

net/mac80211/iface.c

+121 −121
Original line number Diff line number Diff line
@@ -43,6 +43,127 @@ 
 */





static u32 ieee80211_idle_off(struct ieee80211_local *local,

			      const char *reason)

{

	if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))

		return 0;



	local->hw.conf.flags &= ~IEEE80211_CONF_IDLE;

	return IEEE80211_CONF_CHANGE_IDLE;

}



static u32 ieee80211_idle_on(struct ieee80211_local *local)

{

	if (local->hw.conf.flags & IEEE80211_CONF_IDLE)

		return 0;



	drv_flush(local, false);



	local->hw.conf.flags |= IEEE80211_CONF_IDLE;

	return IEEE80211_CONF_CHANGE_IDLE;

}



static u32 __ieee80211_recalc_idle(struct ieee80211_local *local)

{

	struct ieee80211_sub_if_data *sdata;

	int count = 0;

	bool working = false, scanning = false;

	unsigned int led_trig_start = 0, led_trig_stop = 0;

	struct ieee80211_roc_work *roc;



#ifdef CONFIG_PROVE_LOCKING

	WARN_ON(debug_locks && !lockdep_rtnl_is_held() &&

		!lockdep_is_held(&local->iflist_mtx));

#endif

	lockdep_assert_held(&local->mtx);



	list_for_each_entry(sdata, &local->interfaces, list) {

		if (!ieee80211_sdata_running(sdata)) {

			sdata->vif.bss_conf.idle = true;

			continue;

		}



		sdata->old_idle = sdata->vif.bss_conf.idle;



		/* do not count disabled managed interfaces */

		if (sdata->vif.type == NL80211_IFTYPE_STATION &&

		    !sdata->u.mgd.associated &&

		    !sdata->u.mgd.auth_data &&

		    !sdata->u.mgd.assoc_data) {

			sdata->vif.bss_conf.idle = true;

			continue;

		}

		/* do not count unused IBSS interfaces */

		if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&

		    !sdata->u.ibss.ssid_len) {

			sdata->vif.bss_conf.idle = true;

			continue;

		}

		/* count everything else */

		sdata->vif.bss_conf.idle = false;

		count++;

	}



	if (!local->ops->remain_on_channel) {

		list_for_each_entry(roc, &local->roc_list, list) {

			working = true;

			roc->sdata->vif.bss_conf.idle = false;

		}

	}



	if (local->scan_sdata &&

	    !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) {

		scanning = true;

		local->scan_sdata->vif.bss_conf.idle = false;

	}



	list_for_each_entry(sdata, &local->interfaces, list) {

		if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||

		    sdata->vif.type == NL80211_IFTYPE_AP_VLAN)

			continue;

		if (sdata->old_idle == sdata->vif.bss_conf.idle)

			continue;

		if (!ieee80211_sdata_running(sdata))

			continue;

		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);

	}



	if (working || scanning)

		led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK;

	else

		led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK;



	if (count)

		led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;

	else

		led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;



	ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);



	if (working)

		return ieee80211_idle_off(local, "working");

	if (scanning)

		return ieee80211_idle_off(local, "scanning");

	if (!count)

		return ieee80211_idle_on(local);

	else

		return ieee80211_idle_off(local, "in use");



	return 0;

}



void ieee80211_recalc_idle(struct ieee80211_local *local)

{

	u32 chg;



	mutex_lock(&local->iflist_mtx);

	chg = __ieee80211_recalc_idle(local);

	mutex_unlock(&local->iflist_mtx);

	if (chg)

		ieee80211_hw_config(local, chg);

}



static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)

{

	int meshhdrlen;
@@ -1403,127 +1524,6 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local) 
	list_del(&unreg_list);

}



static u32 ieee80211_idle_off(struct ieee80211_local *local,

			      const char *reason)

{

	if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))

		return 0;



	local->hw.conf.flags &= ~IEEE80211_CONF_IDLE;

	return IEEE80211_CONF_CHANGE_IDLE;

}



static u32 ieee80211_idle_on(struct ieee80211_local *local)

{

	if (local->hw.conf.flags & IEEE80211_CONF_IDLE)

		return 0;



	drv_flush(local, false);



	local->hw.conf.flags |= IEEE80211_CONF_IDLE;

	return IEEE80211_CONF_CHANGE_IDLE;

}



u32 __ieee80211_recalc_idle(struct ieee80211_local *local)

{

	struct ieee80211_sub_if_data *sdata;

	int count = 0;

	bool working = false, scanning = false;

	unsigned int led_trig_start = 0, led_trig_stop = 0;

	struct ieee80211_roc_work *roc;



#ifdef CONFIG_PROVE_LOCKING

	WARN_ON(debug_locks && !lockdep_rtnl_is_held() &&

		!lockdep_is_held(&local->iflist_mtx));

#endif

	lockdep_assert_held(&local->mtx);



	list_for_each_entry(sdata, &local->interfaces, list) {

		if (!ieee80211_sdata_running(sdata)) {

			sdata->vif.bss_conf.idle = true;

			continue;

		}



		sdata->old_idle = sdata->vif.bss_conf.idle;



		/* do not count disabled managed interfaces */

		if (sdata->vif.type == NL80211_IFTYPE_STATION &&

		    !sdata->u.mgd.associated &&

		    !sdata->u.mgd.auth_data &&

		    !sdata->u.mgd.assoc_data) {

			sdata->vif.bss_conf.idle = true;

			continue;

		}

		/* do not count unused IBSS interfaces */

		if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&

		    !sdata->u.ibss.ssid_len) {

			sdata->vif.bss_conf.idle = true;

			continue;

		}

		/* count everything else */

		sdata->vif.bss_conf.idle = false;

		count++;

	}



	if (!local->ops->remain_on_channel) {

		list_for_each_entry(roc, &local->roc_list, list) {

			working = true;

			roc->sdata->vif.bss_conf.idle = false;

		}

	}



	if (local->scan_sdata &&

	    !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) {

		scanning = true;

		local->scan_sdata->vif.bss_conf.idle = false;

	}



	list_for_each_entry(sdata, &local->interfaces, list) {

		if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||

		    sdata->vif.type == NL80211_IFTYPE_AP_VLAN)

			continue;

		if (sdata->old_idle == sdata->vif.bss_conf.idle)

			continue;

		if (!ieee80211_sdata_running(sdata))

			continue;

		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);

	}



	if (working || scanning)

		led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK;

	else

		led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK;



	if (count)

		led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;

	else

		led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;



	ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);



	if (working)

		return ieee80211_idle_off(local, "working");

	if (scanning)

		return ieee80211_idle_off(local, "scanning");

	if (!count)

		return ieee80211_idle_on(local);

	else

		return ieee80211_idle_off(local, "in use");



	return 0;

}



void ieee80211_recalc_idle(struct ieee80211_local *local)

{

	u32 chg;



	mutex_lock(&local->iflist_mtx);

	chg = __ieee80211_recalc_idle(local);

	mutex_unlock(&local->iflist_mtx);

	if (chg)

		ieee80211_hw_config(local, chg);

}



static int netdev_notify(struct notifier_block *nb,

			 unsigned long state,

			 void *ndev)