[IPV4]: Unify assignment of fi to fib_result
[linux-2.6/btrfs-unstable.git] / include / linux / virtio_net.h
blobae469ae55d3662fe80c198fea895e68c6890e204
1 #ifndef _LINUX_VIRTIO_NET_H
2 #define _LINUX_VIRTIO_NET_H
3 #include <linux/virtio_config.h>
5 /* The ID for virtio_net */
6 #define VIRTIO_ID_NET 1
8 /* The bitmap of config for virtio net */
9 #define VIRTIO_CONFIG_NET_F 0x40
10 #define VIRTIO_NET_F_NO_CSUM 0
11 #define VIRTIO_NET_F_TSO4 1
12 #define VIRTIO_NET_F_UFO 2
13 #define VIRTIO_NET_F_TSO4_ECN 3
14 #define VIRTIO_NET_F_TSO6 4
16 /* The config defining mac address. */
17 #define VIRTIO_CONFIG_NET_MAC_F 0x41
19 /* This is the first element of the scatter-gather list. If you don't
20 * specify GSO or CSUM features, you can simply ignore the header. */
21 struct virtio_net_hdr
23 #define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset
24 __u8 flags;
25 #define VIRTIO_NET_HDR_GSO_NONE 0 // Not a GSO frame
26 #define VIRTIO_NET_HDR_GSO_TCPV4 1 // GSO frame, IPv4 TCP (TSO)
27 /* FIXME: Do we need this? If they said they can handle ECN, do they care? */
28 #define VIRTIO_NET_HDR_GSO_TCPV4_ECN 2 // GSO frame, IPv4 TCP w/ ECN
29 #define VIRTIO_NET_HDR_GSO_UDP 3 // GSO frame, IPv4 UDP (UFO)
30 #define VIRTIO_NET_HDR_GSO_TCPV6 4 // GSO frame, IPv6 TCP
31 __u8 gso_type;
32 __u16 gso_size;
33 __u16 csum_start;
34 __u16 csum_offset;
36 #endif /* _LINUX_VIRTIO_NET_H */