rtnetlink: add RTNH_F_EXTERNAL flag for fib offload

Add new RTNH_F_EXTERNAL flag to mark fib entries offloaded externally, for
example to a switchdev switch device.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed