Commit 34061b34 authored by Andrew Melnychenko's avatar Andrew Melnychenko Committed by David S. Miller
Browse files

uapi/linux/virtio_net.h: Added USO types. 



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: default avatarAndrew Melnychenko <andrew@daynix.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 399e0827

include/uapi/linux/virtio_net.h

+4 −0
Original line number Diff line number Diff line
@@ -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 */