Merge branch 'GRO-Toeplitz-selftests'

Coco Li says:

====================
GRO and Toeplitz hash selftests

This patch contains two selftests in net, as well as respective
scripts to run the tests on a single machine in loopback mode.
GRO: tests the Linux kernel GRO behavior
Toeplitz: tests the toeplitz hash implementation
====================

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