Merge branch 'gve-jumbo-frame'

Jeroen de Borst says:

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gve: Add jumbo-frame support for GQ

This patchset introduces jumbo-frame support for the GQ queue format.
The device already supports jumbo-frames on TX. This introduces
multi-descriptor RX packets using a packet continuation bit.

A widely deployed driver has a bug with causes it to fail to load
when a MTU greater than 2048 bytes is configured. A jumbo-frame device
option is introduced to pass a jumbo-frame MTU only to drivers that
support it.
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Signed-off-by: David S. Miller <davem@davemloft.net>