From 51ec09af2d67f7d75402a2c8f5f1016de1d1945b Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Wed, 21 Jan 2015 11:50:31 +0200 Subject: [PATCH] iwlwifi: mvm: consider TDLS queues as used during drain 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 Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- 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 7bdc6220743f..f2bfc157f80f 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; } -- 2.20.1