X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fdpdk%2Fdevice%2Finit.c;h=6d327cbdb243308969bd22fcc80b1e5925c2d623;hb=ac8bb9263438221cc93db62257ffd8db711530e2;hp=f668d98db5d69d23e9e2ad85542c50ace0f81e4a;hpb=cd120f9bbb2101dfd7eca11d1a28e06ac5ace479;p=vpp.git

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index f668d98db5d..6d327cbdb24 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -199,6 +199,15 @@ check_l3cache ()
   return 0;
 }
 
+static void
+dpdk_enable_l4_csum_offload (dpdk_device_t * xd)
+{
+  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 |
+    DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
+}
+
 static clib_error_t *
 dpdk_lib_init (dpdk_main_t * dm)
 {
@@ -482,6 +491,8 @@ dpdk_lib_init (dpdk_main_t * dm)
 	      /* Cisco VIC */
 	    case VNET_DPDK_PMD_ENIC:
 	      xd->port_type = port_type_from_link_speed (l.link_speed);
+	      if (dm->conf->enable_tcp_udp_checksum)
+		dpdk_enable_l4_csum_offload (xd);
 	      break;
 
 	      /* Intel Red Rock Canyon */