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if_vtnet: Support VIRTIO_NET_F_MTU

Authored by bryanv on Jan 2 2021, 8:57 PM.



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.

Diff Detail

R10 FreeBSD src repository
Automatic diff as part of commit; lint not applicable.
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

bryanv published this revision for review.Jan 2 2021, 10:00 PM
This revision was not accepted when it landed; it landed in state Needs Review.Jan 19 2021, 5:11 AM
This revision was automatically updated to reflect the committed changes.