tree d8bef1d48e73e2e5492765ae5348f1f0dffbad1c
parent 0f4f4ffa7b7c3d29d0537a126145c9f8d8ed5dbc
author Tom Herbert <therbert@google.com> 1401927623 -0700
committer David S. Miller <davem@davemloft.net> 1401947198 -0700

gre: Call gso_make_checksum

Call gso_make_checksum. This should have the benefit of using a
checksum that may have been previously computed for the packet.

This also adds NETIF_F_GSO_GRE_CSUM to differentiate devices that
offload GRE GSO with and without the GRE checksum offloaed.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>