dpdk: lro support

[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 f923da6..8c49ab8 100644 (file)
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -372,6 +372,19 @@ dpdk_lib_init (dpdk_main_t * dm)
            xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
        }
 
+      if (dm->conf->enable_lro)
+       {
+         if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
+           {
+             xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_LRO;
+             if (devconf->max_lro_pkt_size)
+               xd->port_conf.rxmode.max_lro_pkt_size =
+                 devconf->max_lro_pkt_size;
+             else
+               xd->port_conf.rxmode.max_lro_pkt_size =
+                 DPDK_MAX_LRO_SIZE_DEFAULT;
+           }
+       }
       if (dm->conf->no_multi_seg)
        {
          xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
@@ -474,9 +487,16 @@ dpdk_lib_init (dpdk_main_t * dm)
 
              xd->port_conf.intr_conf.rxq = 1;
              break;
+           case VNET_DPDK_PMD_MLX5:
+             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 |
+                              DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
+               }
            case VNET_DPDK_PMD_CXGBE:
            case VNET_DPDK_PMD_MLX4:
-           case VNET_DPDK_PMD_MLX5:
            case VNET_DPDK_PMD_QEDE:
            case VNET_DPDK_PMD_BNXT:
              xd->port_type = port_type_from_speed_capa (&dev_info);
@@ -1270,6 +1290,9 @@ dpdk_device_config (dpdk_config_main_t *conf, void *addr,
       else if (unformat (input, "rss-queues %U",
                         unformat_bitmap_list, &devconf->rss_queues))
        ;
+      else if (unformat (input, "max-lro-pkt-size %u",
+                        &devconf->max_lro_pkt_size))
+       ;
       else
        {
          error = clib_error_return (0, "unknown input `%U'",
@@ -1376,6 +1399,8 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
 
       else if (unformat (input, "no-multi-seg"))
        conf->no_multi_seg = 1;
+      else if (unformat (input, "enable-lro"))
+       conf->enable_lro = 1;
       else if (unformat (input, "max-simd-bitwidth %U",
                         unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
        ;