Merge branch 'r8169-improve-HW-csum-and-TSO-handling'

Heiner Kallweit says:

====================
r8169: improve HW csum and TSO handling

This series:
- delegates more tasks from the driver to the core
- enables HW csum and TSO per default
- copies quirks for buggy chip versions from vendor driver
====================

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