From: Florin Coras <fcoras@cisco.com>
Date: Tue, 23 Nov 2021 05:25:39 +0000 (-0800)
Subject: dpdk: enable vmxnet3 l4 checksum offload
X-Git-Tag: v22.06-rc0~197
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=fa1fb608b6092fd057b993cfd779bd9ee8306974;p=vpp.git

dpdk: enable vmxnet3 l4 checksum offload

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ia25e671084dd2c0010c0577649bf51ba6495b6ac
---

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index fddbf2aba73..af96d44ead7 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -622,6 +622,12 @@ dpdk_lib_init (dpdk_main_t * dm)
 	    case VNET_DPDK_PMD_VMXNET3:
 	      xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
 	      xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
+	      if (dm->conf->no_tx_checksum_offload == 0)
+		{
+		  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
+		  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
+		  xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
+		}
 	      break;
 
 	    case VNET_DPDK_PMD_AF_PACKET: