tree 07c0b874476d6d82f8618c071402e742b1705b66
parent 64c6d08e6490fb18cea09bb03686c149946bd818
author Eric Dumazet <edumazet@google.com> 1348712093 +0000
committer David S. Miller <davem@davemloft.net> 1349125227 -0400

tcp: gro: add checksuming helpers

skb with CHECKSUM_NONE cant currently be handled by GRO, and
we notice this deep in GRO stack in tcp[46]_gro_receive()

But there are cases where GRO can be a benefit, even with a lack
of checksums.

This preliminary work is needed to add GRO support
to tunnels.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>