On Fri, Dec 02, 2022 at 12:33:30AM +0200, Andrew Melnychenko wrote:
> Added new GSO type for USO: VIRTIO_NET_HDR_GSO_UDP_L4.
> Feature VIRTIO_NET_F_HOST_USO allows to enable NETIF_F_GSO_UDP_L4.
> Separated VIRTIO_NET_F_GUEST_USO4 & VIRTIO_NET_F_GUEST_USO6 features
> required for Windows guests.
>
> Signed-off-by: Andrew Melnychenko <andrew@xxxxxxxxxx>
Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> ---
> include/uapi/linux/virtio_net.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
> index 6cb842ea8979..cbc631247489 100644
> --- a/include/uapi/linux/virtio_net.h
> +++ b/include/uapi/linux/virtio_net.h
> @@ -57,6 +57,10 @@
> * Steering */
> #define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */
> #define VIRTIO_NET_F_NOTF_COAL 53 /* Device supports notifications coalescing */
> +#define VIRTIO_NET_F_GUEST_USO4 54 /* Guest can handle USOv4 in. */
> +#define VIRTIO_NET_F_GUEST_USO6 55 /* Guest can handle USOv6 in. */
> +#define VIRTIO_NET_F_HOST_USO 56 /* Host can handle USO in. */
> +
for consistency pls don't add an empty line here.
> #define VIRTIO_NET_F_HASH_REPORT 57 /* Supports hash report */
> #define VIRTIO_NET_F_RSS 60 /* Supports RSS RX steering */
> #define VIRTIO_NET_F_RSC_EXT 61 /* extended coalescing info */
> @@ -130,6 +134,7 @@ struct virtio_net_hdr_v1 {
> #define VIRTIO_NET_HDR_GSO_TCPV4 1 /* GSO frame, IPv4 TCP (TSO) */
> #define VIRTIO_NET_HDR_GSO_UDP 3 /* GSO frame, IPv4 UDP (UFO) */
> #define VIRTIO_NET_HDR_GSO_TCPV6 4 /* GSO frame, IPv6 TCP */
> +#define VIRTIO_NET_HDR_GSO_UDP_L4 5 /* GSO frame, IPv4& IPv6 UDP (USO) */
> #define VIRTIO_NET_HDR_GSO_ECN 0x80 /* TCP has ECN set */
> __u8 gso_type;
> __virtio16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */
> --
> 2.38.1
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