1 files changed, 25 insertions, 32 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 5273ade71117..b55b1b17f4d1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -732,7 +732,10 @@ void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
 
 	rcu_read_lock();
 	do {
-		while (likely(!mvmtxq->stopped &&
+		while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL,
+					&mvmtxq->state) &&
+			      !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT,
+					&mvmtxq->state) &&
 			      !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) {
 			skb = ieee80211_tx_dequeue(hw, txq);
 
@@ -757,42 +760,25 @@ static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw,
 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 	struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
 
-	/*
-	 * Please note that racing is handled very carefully here:
-	 * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is
-	 * deleted afterwards.
-	 * This means that if:
-	 * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list):
-	 *	queue is allocated and we can TX.
-	 * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list):
-	 *	a race, should defer the frame.
-	 * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list):
-	 *	need to allocate the queue and defer the frame.
-	 * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list):
-	 *	queue is already scheduled for allocation, no need to allocate,
-	 *	should defer the frame.
-	 */
-
-	/* If the queue is allocated TX and return. */
-	if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) {
-		/*
-		 * Check that list is empty to avoid a race where txq_id is
-		 * already updated, but the queue allocation work wasn't
-		 * finished
-		 */
-		if (unlikely(txq->sta && !list_empty(&mvmtxq->list)))
-			return;
-
+	if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) ||
+	    !txq->sta) {
 		iwl_mvm_mac_itxq_xmit(hw, txq);
 		return;
 	}
 
-	/* The list is being deleted only after the queue is fully allocated. */
-	if (!list_empty(&mvmtxq->list))
-		return;
+	/* iwl_mvm_mac_itxq_xmit() will later be called by the worker
+	 * to handle any packets we leave on the txq now
+	 */
 
-	list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs);
-	schedule_work(&mvm->add_stream_wk);
+	spin_lock_bh(&mvm->add_stream_lock);
+	/* The list is being deleted only after the queue is fully allocated. */
+	if (list_empty(&mvmtxq->list) &&
+	    /* recheck under lock */
+	    !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) {
+		list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs);
+		schedule_work(&mvm->add_stream_wk);
+	}
+	spin_unlock_bh(&mvm->add_stream_lock);
 }
 
 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...)		\
@@ -5116,6 +5102,9 @@ static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
 	case RATE_MCS_CHAN_WIDTH_160:
 		rinfo->bw = RATE_INFO_BW_160;
 		break;
+	case RATE_MCS_CHAN_WIDTH_320:
+		rinfo->bw = RATE_INFO_BW_320;
+		break;
 	}
 
 	if (format == RATE_MCS_CCK_MSK ||
@@ -5176,6 +5165,10 @@ static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
 		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 
 	switch (format) {
+	case RATE_MCS_EHT_MSK:
+		/* TODO: GI/LTF/RU. How does the firmware encode them? */
+		rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS;
+		break;
 	case RATE_MCS_HE_MSK:
 		gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK);