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-rw-r--r--net/mac80211/util.c121
1 files changed, 63 insertions, 58 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 0f38f43ac62..a7368870c8e 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -453,7 +453,8 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
}
void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
- enum queue_stop_reason reason)
+ unsigned long queues,
+ enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
unsigned long flags;
@@ -461,7 +462,7 @@ void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- for (i = 0; i < hw->queues; i++)
+ for_each_set_bit(i, &queues, hw->queues)
__ieee80211_stop_queue(hw, i, reason);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
@@ -469,7 +470,7 @@ void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
void ieee80211_stop_queues(struct ieee80211_hw *hw)
{
- ieee80211_stop_queues_by_reason(hw,
+ ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_DRIVER);
}
EXPORT_SYMBOL(ieee80211_stop_queues);
@@ -491,6 +492,7 @@ int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue)
EXPORT_SYMBOL(ieee80211_queue_stopped);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
+ unsigned long queues,
enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -499,7 +501,7 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- for (i = 0; i < hw->queues; i++)
+ for_each_set_bit(i, &queues, hw->queues)
__ieee80211_wake_queue(hw, i, reason);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
@@ -507,10 +509,42 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
void ieee80211_wake_queues(struct ieee80211_hw *hw)
{
- ieee80211_wake_queues_by_reason(hw, IEEE80211_QUEUE_STOP_REASON_DRIVER);
+ ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_DRIVER);
}
EXPORT_SYMBOL(ieee80211_wake_queues);
+void ieee80211_flush_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ u32 queues;
+
+ if (!local->ops->flush)
+ return;
+
+ if (sdata && local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) {
+ int ac;
+
+ queues = 0;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ queues |= BIT(sdata->vif.hw_queue[ac]);
+ if (sdata->vif.cab_queue != IEEE80211_INVAL_HW_QUEUE)
+ queues |= BIT(sdata->vif.cab_queue);
+ } else {
+ /* all queues */
+ queues = BIT(local->hw.queues) - 1;
+ }
+
+ ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_FLUSH);
+
+ drv_flush(local, queues, false);
+
+ ieee80211_wake_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_FLUSH);
+}
+
void ieee80211_iterate_active_interfaces(
struct ieee80211_hw *hw, u32 iter_flags,
void (*iterator)(void *data, u8 *mac,
@@ -1357,6 +1391,25 @@ void ieee80211_stop_device(struct ieee80211_local *local)
drv_stop(local);
}
+static void ieee80211_assign_chanctx(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_chanctx_conf *conf;
+ struct ieee80211_chanctx *ctx;
+
+ if (!local->use_chanctx)
+ return;
+
+ mutex_lock(&local->chanctx_mtx);
+ conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (conf) {
+ ctx = container_of(conf, struct ieee80211_chanctx, conf);
+ drv_assign_vif_chanctx(local, sdata, ctx);
+ }
+ mutex_unlock(&local->chanctx_mtx);
+}
+
int ieee80211_reconfig(struct ieee80211_local *local)
{
struct ieee80211_hw *hw = &local->hw;
@@ -1445,36 +1498,14 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
list_for_each_entry(sdata, &local->interfaces, list) {
- struct ieee80211_chanctx_conf *ctx_conf;
-
if (!ieee80211_sdata_running(sdata))
continue;
-
- mutex_lock(&local->chanctx_mtx);
- ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (ctx_conf) {
- ctx = container_of(ctx_conf, struct ieee80211_chanctx,
- conf);
- drv_assign_vif_chanctx(local, sdata, ctx);
- }
- mutex_unlock(&local->chanctx_mtx);
+ ieee80211_assign_chanctx(local, sdata);
}
sdata = rtnl_dereference(local->monitor_sdata);
- if (sdata && local->use_chanctx && ieee80211_sdata_running(sdata)) {
- struct ieee80211_chanctx_conf *ctx_conf;
-
- mutex_lock(&local->chanctx_mtx);
- ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (ctx_conf) {
- ctx = container_of(ctx_conf, struct ieee80211_chanctx,
- conf);
- drv_assign_vif_chanctx(local, sdata, ctx);
- }
- mutex_unlock(&local->chanctx_mtx);
- }
+ if (sdata && ieee80211_sdata_running(sdata))
+ ieee80211_assign_chanctx(local, sdata);
/* add STAs back */
mutex_lock(&local->sta_mtx);
@@ -1534,11 +1565,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
BSS_CHANGED_IDLE |
BSS_CHANGED_TXPOWER;
-#ifdef CONFIG_PM
- if (local->resuming && !reconfig_due_to_wowlan)
- sdata->vif.bss_conf = sdata->suspend_bss_conf;
-#endif
-
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
changed |= BSS_CHANGED_ASSOC |
@@ -1659,8 +1685,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mutex_unlock(&local->sta_mtx);
}
- ieee80211_wake_queues_by_reason(hw,
- IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+ ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND);
/*
* If this is for hw restart things are still running.
@@ -1678,28 +1704,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mb();
local->resuming = false;
- list_for_each_entry(sdata, &local->interfaces, list) {
- switch(sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- ieee80211_sta_restart(sdata);
- break;
- case NL80211_IFTYPE_ADHOC:
- ieee80211_ibss_restart(sdata);
- break;
- case NL80211_IFTYPE_MESH_POINT:
- ieee80211_mesh_restart(sdata);
- break;
- default:
- break;
- }
- }
-
mod_timer(&local->sta_cleanup, jiffies + 1);
-
- mutex_lock(&local->sta_mtx);
- list_for_each_entry(sta, &local->sta_list, list)
- mesh_plink_restart(sta);
- mutex_unlock(&local->sta_mtx);
#else
WARN_ON(1);
#endif