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path: root/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/sta.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 2a3ca9785974..c2e0cff740e9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1502,6 +1502,34 @@ out_err:
return ret;
}
+int iwl_mvm_sta_ensure_queue(struct iwl_mvm *mvm,
+ struct ieee80211_txq *txq)
+{
+ struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
+ int ret = -EINVAL;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) ||
+ !txq->sta) {
+ return 0;
+ }
+
+ if (!iwl_mvm_sta_alloc_queue(mvm, txq->sta, txq->ac, txq->tid)) {
+ set_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state);
+ ret = 0;
+ }
+
+ local_bh_disable();
+ spin_lock(&mvm->add_stream_lock);
+ if (!list_empty(&mvmtxq->list))
+ list_del_init(&mvmtxq->list);
+ spin_unlock(&mvm->add_stream_lock);
+ local_bh_enable();
+
+ return ret;
+}
+
void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk)
{
struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm,