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mac80211: make __ieee80211_recalc_idle static
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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: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg committed Jun 26, 2012
1 parent 371a255 commit cc45ae5
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Showing 2 changed files with 121 additions and 122 deletions.
1 change: 0 additions & 1 deletion net/mac80211/ieee80211_i.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
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242 changes: 121 additions & 121 deletions net/mac80211/iface.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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)
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