Add series of tests for valid and invalid nexthop specs for IPv6.
$ TEST=fib_nexthop_test ./fib_tests.sh
...
IPv6 nexthop tests
TEST: Directly connected nexthop, unicast address [ OK ]
TEST: Directly connected nexthop, unicast address with device [ OK ]
TEST: Gateway is linklocal address [ OK ]
TEST: Gateway is linklocal address, no device [ OK ]
TEST: Gateway can not be local unicast address [ OK ]
TEST: Gateway can not be local unicast address, with device [ OK ]
TEST: Gateway can not be a local linklocal address [ OK ]
TEST: Gateway can be local address in a VRF [ OK ]
TEST: Gateway can be local address in a VRF, with device [ OK ]
TEST: Gateway can be local linklocal address in a VRF [ OK ]
TEST: Redirect to VRF lookup [ OK ]
TEST: VRF route, gateway can be local address in default VRF [ OK ]
TEST: VRF route, gateway can not be a local address [ OK ]
TEST: VRF route, gateway can not be a local addr with device [ OK ]
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>