tree 8f50d875b7e101f75c98f358a9f963ef1c024242
parent 8761169cf15fdc9336abfddbb9c8dda59d974190
author Steve Glendinning <steve.glendinning@smsc.com> 1227183561 -0800
committer David S. Miller <davem@davemloft.net> 1227183561 -0800

smsc95xx: add tx checksum offload support

LAN9500 supports tx checksum offload, which slightly decreases cpu
utilisation.  The benefit isn't very large because we still require
the skb to be linearized, but it does save a few cycles.

This patch adds support for it, and enables it by default.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>