Merge branch 'hv_netvsc-TCP-hash-level'

Haiyang Zhang says:

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hv_netvsc: support changing TCP hash level

The patch set simplifies the existing hash level switching code for
UDP. It also adds the support for changing TCP hash level. So users
can switch between L3 an L4 hash levels for TCP and UDP.
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Signed-off-by: David S. Miller <davem@davemloft.net>