ethernet-input optimizations

[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 fcdc29b..c2e4d22 100644 (file)
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -363,6 +363,12 @@ dpdk_lib_init (dpdk_main_t * dm)
       clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
                   sizeof (struct rte_eth_txconf));
 
+      if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
+       {
+         xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
+         xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
+       }
+
       if (dm->conf->no_multi_seg)
        {
 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
@@ -500,6 +506,19 @@ dpdk_lib_init (dpdk_main_t * dm)
 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
              xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 #endif
+
+             if (dm->conf->no_tx_checksum_offload == 0)
+               {
+#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
+                 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
+                                                    ETH_TXQ_FLAGS_NOXSUMTCP);
+#else
+                 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
+                 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
+#endif
+                 xd->flags |=
+                   DPDK_DEVICE_FLAG_TX_OFFLOAD;
+               }
              break;
 
            case VNET_DPDK_PMD_ENA:
@@ -1805,10 +1824,10 @@ dpdk_init (vlib_main_t * vm)
   vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
 
   /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
-  dm->buffer_flags_template =
-    (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
-     | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
-     VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
+  dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
+                              VLIB_BUFFER_EXT_HDR_VALID |
+                              VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
+                              VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
 
   dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
   dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;