Index: sys/dev/ixgbe/if_ix.c
===================================================================
--- sys/dev/ixgbe/if_ix.c
+++ sys/dev/ixgbe/if_ix.c
@@ -2113,8 +2113,10 @@
 static inline void
 ixgbe_perform_aim(struct adapter *adapter, struct ix_rx_queue *que)
 {
-	uint32_t newitr = 0;
+	struct ix_tx_queue *txq = &adapter->tx_queues[que->msix];
+	struct tx_ring *txr = &txq->txr;
 	struct rx_ring *rxr = &que->rxr;
+	uint32_t newitr = 0;
 
 	/*
 	 * Do Adaptive Interrupt Moderation:
@@ -2129,12 +2131,14 @@
 
 	que->eitr_setting = 0;
 	/* Idle, do nothing */
-	if (rxr->bytes == 0) {
+	if ((txr->bytes == 0) && (rxr->bytes == 0)) {
 		return;
 	}
 
+	if ((txr->bytes) && (txr->packets))
+		newitr = txr->bytes / txr->packets;
 	if ((rxr->bytes) && (rxr->packets)) {
-		newitr = (rxr->bytes / rxr->packets);
+		newitr = max(newitr, rxr->bytes / rxr->packets);
 	}
 
 	newitr += 24; /* account for hardware frame, crc */
@@ -2158,6 +2162,8 @@
 	que->eitr_setting = newitr;
 
 	/* Reset state */
+	txr->bytes = 0;
+	txr->packets = 0;
 	rxr->bytes = 0;
 	rxr->packets = 0;