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iwlwifi: mvm: consider TDLS queues as used during drain

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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@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Arik Nemtsov 2015-01-21 11:50:31 +02:00 • committed by Emmanuel Grumbach
parent 7ac4a50a7c
commit 51ec09af2d
1 changed files with 8 additions and 0 deletions
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8
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
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@ -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;
}