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| author |   Michael S. Tsirkin <mst@redhat.com> | 2015-06-29 11:16:25 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-07-01 10:11:17 +0200 |
| commit | 8b0a9d42301e45d501d751074a6f767fded680b1 (patch) | |
| tree | f466ecfc783ec76fb5da6a60da8a848bf76da04c /include/uapi/linux/virtio_net.h | |
| parent | virtio-pci: alloc only resources actually used. (diff) | |
| download | linux-dev-8b0a9d42301e45d501d751074a6f767fded680b1.tar.xz linux-dev-8b0a9d42301e45d501d751074a6f767fded680b1.zip | |
virtio_net: document VIRTIO_NET_CTRL_GUEST_OFFLOADS
Document VIRTIO_NET_CTRL_GUEST_OFFLOADS and the
relevant feature bits.
Will allow ethtool control of the offloads down the road.
Reported-by: Yan Vugenfirer <yan@daynix.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | include/uapi/linux/virtio_net.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h index 7bbee79ca293..ec32293a00db 100644 --- a/include/uapi/linux/virtio_net.h +++ b/include/uapi/linux/virtio_net.h @@ -34,6 +34,7 @@ /* The feature bitmap for virtio net */ #define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */ #define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */ +#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Dynamic offload configuration. */ #define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ #define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */ #define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */ @@ -226,4 +227,19 @@ struct virtio_net_ctrl_mq { #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 +/* + * Control network offloads + * + * Reconfigures the network offloads that Guest can handle. + * + * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit. + * + * Command data format matches the feature bit mask exactly. + * + * See VIRTIO_NET_F_GUEST_* for the list of offloads + * that can be enabled/disabled. + */ +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5 +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0 + #endif /* _LINUX_VIRTIO_NET_H */ |