dpdk: TSO does not work for Cisco VIC

[vpp.git] / src / plugins / dpdk / device / init.c

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 5d0e5a2..6d327cb 100644 (file)
--- 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)
 {
@@ -295,8 +304,14 @@ dpdk_lib_init (dpdk_main_t * dm)
       else
        devconf = &dm->conf->default_devconf;
 
+      /* Handle representor devices that share the same PCI ID */
+      if (dev_info.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
+        {
+          if (dev_info.switch_info.port_id != (uint16_t)-1)
+            xd->interface_name_suffix = format (0, "%d", dev_info.switch_info.port_id);
+        }
       /* Handle interface naming for devices with multiple ports sharing same PCI ID */
-      if (pci_dev &&
+      else if (pci_dev &&
          ((next_port_id = rte_eth_find_next (i + 1)) != RTE_MAX_ETHPORTS))
        {
          struct rte_eth_dev_info di = { 0 };
@@ -476,6 +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 */