net/virtio: support TSO

[dpdk.git] / drivers / net / virtio / virtio_ethdev.c

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 157e44c..e6cd671 100644 (file)
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1593,6 +1593,7 @@ virtio_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complet
 static void
 virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
+       uint64_t tso_mask;
        struct virtio_hw *hw = dev->data->dev_private;
 
        if (dev->pci_dev)
@@ -1620,6 +1621,11 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
                        DEV_TX_OFFLOAD_UDP_CKSUM |
                        DEV_TX_OFFLOAD_TCP_CKSUM;
        }
+
+       tso_mask = (1ULL << VIRTIO_NET_F_HOST_TSO4) |
+               (1ULL << VIRTIO_NET_F_HOST_TSO6);
+       if ((hw->guest_features & tso_mask) == tso_mask)
+               dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
 }
 
 /*