diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-04 08:00:54 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-04 08:00:54 -0800 |
commit | 93890b71a34f9490673a6edd56b61c2124215e46 (patch) | |
tree | c5d82620f2cb69f0bf43639e63f54b0c0e2eb744 /include/linux/virtio_net.h | |
parent | f5bb3a5e9dcdb8435471562b6cada89525cf4df1 (diff) | |
parent | 6b35e40767c6c1ac783330109ae8e0c09ea6bc82 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (25 commits)
virtio: balloon driver
virtio: Use PCI revision field to indicate virtio PCI ABI version
virtio: PCI device
virtio_blk: implement naming for vda-vdz,vdaa-vdzz,vdaaa-vdzzz
virtio_blk: Dont waste major numbers
virtio_blk: provide getgeo
virtio_net: parametrize the napi_weight for virtio receive queue.
virtio: free transmit skbs when notified, not on next xmit.
virtio: flush buffers on open
virtnet: remove double ether_setup
virtio: Allow virtio to be modular and used by modules
virtio: Use the sg_phys convenience function.
virtio: Put the virtio under the virtualization menu
virtio: handle interrupts after callbacks turned off
virtio: reset function
virtio: populate network rings in the probe routine, not open
virtio: Tweak virtio_net defines
virtio: Net header needs hdr_len
virtio: remove unused id field from struct virtio_blk_outhdr
virtio: clarify NO_NOTIFY flag usage
...
Diffstat (limited to 'include/linux/virtio_net.h')
-rw-r--r-- | include/linux/virtio_net.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index ae469ae55d3..1ea3351df60 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -5,32 +5,32 @@ /* The ID for virtio_net */ #define VIRTIO_ID_NET 1 -/* The bitmap of config for virtio net */ -#define VIRTIO_CONFIG_NET_F 0x40 -#define VIRTIO_NET_F_NO_CSUM 0 -#define VIRTIO_NET_F_TSO4 1 -#define VIRTIO_NET_F_UFO 2 -#define VIRTIO_NET_F_TSO4_ECN 3 -#define VIRTIO_NET_F_TSO6 4 +/* The feature bitmap for virtio net */ +#define VIRTIO_NET_F_CSUM 0 /* Can handle pkts w/ partial csum */ +#define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ +#define VIRTIO_NET_F_GSO 6 /* Can handle pkts w/ any GSO type */ -/* The config defining mac address. */ -#define VIRTIO_CONFIG_NET_MAC_F 0x41 +struct virtio_net_config +{ + /* The config defining mac address (if VIRTIO_NET_F_MAC) */ + __u8 mac[6]; +} __attribute__((packed)); /* This is the first element of the scatter-gather list. If you don't * specify GSO or CSUM features, you can simply ignore the header. */ struct virtio_net_hdr { #define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset - __u8 flags; + __u8 flags; #define VIRTIO_NET_HDR_GSO_NONE 0 // Not a GSO frame #define VIRTIO_NET_HDR_GSO_TCPV4 1 // GSO frame, IPv4 TCP (TSO) -/* FIXME: Do we need this? If they said they can handle ECN, do they care? */ -#define VIRTIO_NET_HDR_GSO_TCPV4_ECN 2 // GSO frame, IPv4 TCP w/ ECN #define VIRTIO_NET_HDR_GSO_UDP 3 // GSO frame, IPv4 UDP (UFO) #define VIRTIO_NET_HDR_GSO_TCPV6 4 // GSO frame, IPv6 TCP - __u8 gso_type; - __u16 gso_size; - __u16 csum_start; - __u16 csum_offset; +#define VIRTIO_NET_HDR_GSO_ECN 0x80 // TCP has ECN set + __u8 gso_type; + __u16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */ + __u16 gso_size; /* Bytes to append to gso_hdr_len per frame */ + __u16 csum_start; /* Position to start checksumming from */ + __u16 csum_offset; /* Offset after that to place checksum */ }; #endif /* _LINUX_VIRTIO_NET_H */ |