From: Arik Nemtsov <arik@xxxxxxxxxx>
When a TDLS station is being drained its Tx queues are still in use. Don't
allocate them to a different station in the meantime.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@xxxxxxxxx>
Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index 7bdc622..f2bfc15 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -244,6 +244,7 @@ static void iwl_mvm_mac_sta_hw_queues_iter(void *_data,
unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
struct ieee80211_vif *exclude_vif)
{
+ u8 sta_id;
struct iwl_mvm_hw_queues_iface_iterator_data data = {
.exclude_vif = exclude_vif,
.used_hw_queues =
@@ -264,6 +265,13 @@ unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
iwl_mvm_mac_sta_hw_queues_iter,
&data);
+ /*
+ * Some TDLS stations may be removed but are in the process of being
+ * drained. Don't touch their queues.
+ */
+ for_each_set_bit(sta_id, mvm->sta_drained, IWL_MVM_STATION_COUNT)
+ data.used_hw_queues |= mvm->tfd_drained[sta_id];
+
return data.used_hw_queues;
}
--
1.9.1
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