X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fice%2Fice_dcf_ethdev.c;h=f510bad381db003643c6367740a2d9daa20f305f;hb=af167bcf174b59fa4776297e628a94143cf6a330;hp=94c6a6e61cd566a7cfa3ac2cfaa2aaeed61a949d;hpb=d54b51efb6ef12b8cdfc7316316d99e2a762e1cd;p=dpdk.git

diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c
index 94c6a6e61c..f510bad381 100644
--- a/drivers/net/ice/ice_dcf_ethdev.c
+++ b/drivers/net/ice/ice_dcf_ethdev.c
@@ -178,10 +178,15 @@ ice_dcf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 		    VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 			/* If WB_ON_ITR supports, enable it */
 			hw->msix_base = IAVF_RX_VEC_START;
+			/* Set the ITR for index zero, to 2us to make sure that
+			 * we leave time for aggregation to occur, but don't
+			 * increase latency dramatically.
+			 */
 			IAVF_WRITE_REG(&hw->avf,
 				       IAVF_VFINT_DYN_CTLN1(hw->msix_base - 1),
-				       IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
-				       IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
+				       (0 << IAVF_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
+				       IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK |
+				       (2UL << IAVF_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
 		} else {
 			/* If no WB_ON_ITR offload flags, need to set
 			 * interrupt for descriptor write back.