diff options
| author | Ladi Prosek | 2016-04-11 11:26:57 +0200 |
|---|---|---|
| committer | Michael Brown | 2016-04-15 18:28:06 +0200 |
| commit | 7b499f849edc79f30b27dfe8143c04e90e3154c9 (patch) | |
| tree | 2cdcf8be0f2c03c502709f9b27d4347aafab4971 /src/drivers/net/virtio-net.h | |
| parent | [pci] Add pci_find_next_capability() (diff) | |
| download | ipxe-7b499f849edc79f30b27dfe8143c04e90e3154c9.tar.gz ipxe-7b499f849edc79f30b27dfe8143c04e90e3154c9.tar.xz ipxe-7b499f849edc79f30b27dfe8143c04e90e3154c9.zip | |
[virtio] Add virtio 1.0 constants and data structures
Virtio 1.0 introduces new constants and data structures, common to all
devices as well as specific to virtio-net. This commit adds a subset
of these to be able to drive the virtio-net 1.0 network device.
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/drivers/net/virtio-net.h')
| -rw-r--r-- | src/drivers/net/virtio-net.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/drivers/net/virtio-net.h b/src/drivers/net/virtio-net.h index 3abef28e..c2b4a17c 100644 --- a/src/drivers/net/virtio-net.h +++ b/src/drivers/net/virtio-net.h @@ -14,6 +14,12 @@ #define VIRTIO_NET_F_HOST_TSO6 12 /* Host can handle TSOv6 in. */ #define VIRTIO_NET_F_HOST_ECN 13 /* Host can handle TSO[6] w/ ECN in. */ #define VIRTIO_NET_F_HOST_UFO 14 /* Host can handle UFO in. */ +#define VIRTIO_NET_F_MRG_RXBUF 15 /* Driver can merge receive buffers. */ +#define VIRTIO_NET_F_STATUS 16 /* Configuration status field is available. */ +#define VIRTIO_NET_F_CTRL_VQ 17 /* Control channel is available. */ +#define VIRTIO_NET_F_CTRL_RX 18 /* Control channel RX mode support. */ +#define VIRTIO_NET_F_CTRL_VLAN 19 /* Control channel VLAN filtering. */ +#define VIRTIO_NET_F_GUEST_ANNOUNCE 21 /* Driver can send gratuitous packets. */ struct virtio_net_config { @@ -41,4 +47,14 @@ struct virtio_net_hdr uint16_t csum_start; uint16_t csum_offset; }; + +/* Virtio 1.0 version of the first element of the scatter-gather list. */ +struct virtio_net_hdr_modern +{ + struct virtio_net_hdr legacy; + + /* Used only if VIRTIO_NET_F_MRG_RXBUF: */ + uint16_t num_buffers; +}; + #endif /* _VIRTIO_NET_H_ */ |