From: Florin Coras <fcoras@cisco.com>
Date: Thu, 9 Dec 2021 18:24:31 +0000 (-0800)
Subject: dpdk: disable l4 csum offload for vmxnet3
X-Git-Tag: v22.06-rc0~134
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=514df6f931fb95e801c5033b114967e86113e778;p=vpp.git

dpdk: disable l4 csum offload for vmxnet3

TCP csum offload fails although udp seems to work.

Type: fix
Fixes: fa1fb60

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ie0651887b09920365806eaad776b0d13059faee8
---

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index af96d44ead7..3808a5b1e4d 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -622,8 +622,11 @@ 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)
+	      /* TCP csum offload not working although udp might work. Left
+	       * disabled for now */
+	      if (0 && (dm->conf->no_tx_checksum_offload == 0))
 		{
+		  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
 		  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;