X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fiavf%2Fiavf_rxtx.c;h=6a713df828af2f95aa4584c4ab8cdc0a1bdb7886;hb=97de3819ed93f4b3a71e429147a7e6a435789ab2;hp=87f7eebc650b58ae617e25400b473bcf3dd90c3a;hpb=bb3ef9aaa478c92a76546cec98b5ffd832762309;p=dpdk.git

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 87f7eebc65..6a713df828 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -2245,6 +2245,11 @@ iavf_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 				(volatile struct iavf_tx_context_desc *)
 							&txr[tx_id];
 
+			/* clear QW0 or the previous writeback value
+			 * may impact next write
+			 */
+			*(volatile uint64_t *)ctx_txd = 0;
+
 			txn = &sw_ring[txe->next_id];
 			RTE_MBUF_PREFETCH_TO_FREE(txn->mbuf);
 			if (txe->mbuf) {
@@ -2393,7 +2398,6 @@ iavf_set_rx_function(struct rte_eth_dev *dev)
 	struct iavf_rx_queue *rxq;
 	int i;
 	int check_ret;
-	bool use_sse = false;
 	bool use_avx2 = false;
 	bool use_avx512 = false;
 	bool use_flex = false;
@@ -2401,7 +2405,6 @@ iavf_set_rx_function(struct rte_eth_dev *dev)
 	check_ret = iavf_rx_vec_dev_check(dev);
 	if (check_ret >= 0 &&
 	    rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
-		use_sse = true;
 		if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
 		     rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
 		    rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
@@ -2414,9 +2417,6 @@ iavf_set_rx_function(struct rte_eth_dev *dev)
 			use_avx512 = true;
 #endif
 
-		if (!use_sse && !use_avx2 && !use_avx512)
-			goto normal;
-
 		if (vf->vf_res->vf_cap_flags &
 			VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)
 			use_flex = true;
@@ -2520,7 +2520,6 @@ iavf_set_rx_function(struct rte_eth_dev *dev)
 		return;
 	}
 
-normal:
 #endif
 	if (dev->data->scattered_rx) {
 		PMD_DRV_LOG(DEBUG, "Using a Scattered Rx callback (port=%d).",