Add the RoCE-specific LL2 logic [as well as GSI support] over
the 'generic' LL2 interface.
Signed-off-by: NRam Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: NYuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>