diff options
| -rw-r--r-- | src/vnet/devices/virtio/vhost_user_output.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/vnet/devices/virtio/vhost_user_output.c b/src/vnet/devices/virtio/vhost_user_output.c index 9b9f763b92f..4f72d00161e 100644 --- a/src/vnet/devices/virtio/vhost_user_output.c +++ b/src/vnet/devices/virtio/vhost_user_output.c @@ -295,6 +295,7 @@ VNET_DEVICE_CLASS_TX_FN (vhost_user_device_class) (vlib_main_t * vm, u8 retry = 8; u16 copy_len; u16 tx_headers_len; + u32 or_flags; if (PREDICT_FALSE (!vui->admin_up)) { @@ -388,8 +389,13 @@ retry: hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_NONE; hdr->num_buffers = 1; //This is local, no need to check - /* Guest supports csum offload? */ - if (vui->features & (1ULL << FEAT_VIRTIO_NET_F_GUEST_CSUM)) + or_flags = (b0->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM) || + (b0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM) || + (b0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM); + + /* Guest supports csum offload and buffer requires checksum offload? */ + if (or_flags + && (vui->features & (1ULL << FEAT_VIRTIO_NET_F_GUEST_CSUM))) vhost_user_handle_tx_offload (vui, b0, &hdr->hdr); // Prepare a copy order executed later for the header |