HW currently restricts the IB MTU range between 512 and 4096.
Fail connection for MTUs lesser than 512.
Signed-off-by: NNaga Irrinki <naga.irrinki@avagotech.com>
Signed-off-by: NSelvin Xavier <selvin.xavier@avagotech.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>