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if_vtnet: Support VIRTIO_NET_F_MTU

Description

if_vtnet: Support VIRTIO_NET_F_MTU

This feature lets the guest driver know the maximum MTU size
supported by the host device. If set, use this to limit the
acceptable MTUs, and improve how the receive mbuf cluster size
then is selected.

Reviewed by: grehan (mentor)
Differential Revision: https://reviews.freebsd.org/D27907

Details

Provenance
bryanvAuthored on Jan 19 2021, 4:55 AM
Reviewer
grehan
Differential Revision
D27907: if_vtnet: Support VIRTIO_NET_F_MTU
Parents
R10:fa7ca1e33241: if_vtnet: Rx path cleanup
Branches
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