From: Liad Kaufman <liad.kaufman@xxxxxxxxx>
If the HW supports IEEE80211_HW_QUEUE_CONTROL, allow
flushing only specific queues rather than all of them.
Signed-off-by: Liad Kaufman <liad.kaufman@xxxxxxxxx>
Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Arik Nemtsov <arik@xxxxxxxxxx>
---
net/mac80211/ieee80211_i.h | 3 +++
net/mac80211/util.c | 20 +++++++++++++++-----
2 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 5de2e5f..a30d408 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1881,6 +1881,9 @@ void ieee80211_add_pending_skbs(struct ieee80211_local *local,
struct sk_buff_head *skbs);
void ieee80211_flush_queues(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
+void __ieee80211_flush_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ unsigned int queues);
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 9e5bfd6..745a8a9 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -576,15 +576,19 @@ ieee80211_get_vif_queues(struct ieee80211_local *local,
return queues;
}
-void ieee80211_flush_queues(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata)
+void __ieee80211_flush_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ unsigned int queues)
{
- unsigned int queues;
-
if (!local->ops->flush)
return;
- queues = ieee80211_get_vif_queues(local, sdata);
+ /*
+ * If no queue was set, or if the HW doesn't support
+ * IEEE80211_HW_QUEUE_CONTROL - flush all queues
+ */
+ if (!queues || !(local->hw.flags & IEEE80211_HW_QUEUE_CONTROL))
+ queues = ieee80211_get_vif_queues(local, sdata);
ieee80211_stop_queues_by_reason(&local->hw, queues,
IEEE80211_QUEUE_STOP_REASON_FLUSH,
@@ -597,6 +601,12 @@ void ieee80211_flush_queues(struct ieee80211_local *local,
false);
}
+void ieee80211_flush_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ __ieee80211_flush_queues(local, sdata, 0);
+}
+
void ieee80211_stop_vif_queues(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
enum queue_stop_reason reason)
--
1.9.1
--
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