selftests: Add test cases for `ip nexthop flush proto XX`

Add some test cases to allow the fib_nexthops.sh test code
to test the flushing of nexthops based upon the proto passed
in upon creation of the nexthop group.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>

diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index f9ebeac..796670e 100755 (executable)
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -940,6 +940,20 @@ basic()
        run_cmd "$IP nexthop add id 104 group 1 dev veth1"
        log_test $? 2 "Nexthop group and device"
 
+       # Tests to ensure that flushing works as expected.
+       run_cmd "$IP nexthop add id 105 blackhole proto 99"
+       run_cmd "$IP nexthop add id 106 blackhole proto 100"
+       run_cmd "$IP nexthop add id 107 blackhole proto 99"
+       run_cmd "$IP nexthop flush proto 99"
+       check_nexthop "id 105" ""
+       check_nexthop "id 106" "id 106 blackhole proto 100"
+       check_nexthop "id 107" ""
+       run_cmd "$IP nexthop flush proto 100"
+       check_nexthop "id 106" ""
+
+       run_cmd "$IP nexthop flush proto 100"
+       log_test $? 0 "Test proto flush"
+
        run_cmd "$IP nexthop add id 104 group 1 blackhole"
        log_test $? 2 "Nexthop group and blackhole"