[PATCH v5 4/6] uapi/linux/virtio_net.h: Added USO types.
From: Andrew Melnychenko <hidden>
Date: 2022-12-07 11:52:15
Also in:
lkml, virtualization
Subsystem:
the rest, virtio core, virtio net driver · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
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 <redacted> --- include/uapi/linux/virtio_net.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index 6cb842ea8979..b4062bed186a 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h@@ -57,6 +57,9 @@ * 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. */ #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 +133,7 @@ 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