+void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
+ struct iwl_mvm_internal_rxq_notif *notif,
+ u32 size)
+{
+ DECLARE_WAIT_QUEUE_HEAD_ONSTACK(notif_waitq);
+ u32 qmask = BIT(mvm->trans->num_rx_queues) - 1;
+ int ret;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (!iwl_mvm_has_new_rx_api(mvm))
+ return;
+
+ notif->cookie = mvm->queue_sync_cookie;
+
+ if (notif->sync)
+ atomic_set(&mvm->queue_sync_counter,
+ mvm->trans->num_rx_queues);
+
+ ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size);
+ if (ret) {
+ IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret);
+ goto out;
+ }
+
+ if (notif->sync)
+ ret = wait_event_timeout(notif_waitq,
+ atomic_read(&mvm->queue_sync_counter) == 0,
+ HZ);
+ WARN_ON_ONCE(!ret);
+
+out:
+ atomic_set(&mvm->queue_sync_counter, 0);
+ mvm->queue_sync_cookie++;
+}
+
+static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ struct iwl_mvm_internal_rxq_notif data = {
+ .type = IWL_MVM_RXQ_EMPTY,
+ .sync = 1,
+ };
+
+ mutex_lock(&mvm->mutex);
+ iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data));
+ mutex_unlock(&mvm->mutex);
+}
+