Merge branch 'mvpp2-various-improvements'

Antoine Tenart says:

====================
net: mvpp2: various improvements

These patches are sent as a series to avoid any possible conflict, even
though there're not entirely related. I can send them separately if
needed. The series applies on today's net-next tree.

Since v1:
  - Removed the patch disabling TSO on allocation errors.
====================

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