Merge branch 'gve-improvements'

Jeroen de Borst says:

====================
gve improvements

This patchset consists of unrelated changes:

A bug fix for an issue that disabled jumbo-frame support, a few code
improvements and minor funcitonal changes and 3 new features:
  Supporting tx|rx-coalesce-usec for DQO
  Suspend/resume/shutdown
  Optional metadata descriptors
====================

Signed-off-by: David S. Miller <davem@davemloft.net>