selftests/net/fib_tests: update addr_metric_test for peer route testing

This patch update {ipv4, ipv6}_addr_metric_test with
1. Set metric of address with peer route and see if the route added
correctly.
2. Modify metric and peer address for peer route and see if the route
changed correctly.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 60273f1bc7d9c0cfe8324d8bd4b256cc88ad2fff..b7616704b55e982f20d55c768def568f54e0efc1 100755 (executable)
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -1041,6 +1041,27 @@ ipv6_addr_metric_test()
        fi
        log_test $rc 0 "Prefix route with metric on link up"
 
+       # verify peer metric added correctly
+       set -e
+       run_cmd "$IP -6 addr flush dev dummy2"
+       run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::1 peer 2001:db8:104::2 metric 260"
+       set +e
+
+       check_route6 "2001:db8:104::1 dev dummy2 proto kernel metric 260"
+       log_test $? 0 "Set metric with peer route on local side"
+       log_test $? 0 "User specified metric on local address"
+       check_route6 "2001:db8:104::2 dev dummy2 proto kernel metric 260"
+       log_test $? 0 "Set metric with peer route on peer side"
+
+       set -e
+       run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::1 peer 2001:db8:104::3 metric 261"
+       set +e
+
+       check_route6 "2001:db8:104::1 dev dummy2 proto kernel metric 261"
+       log_test $? 0 "Modify metric and peer address on local side"
+       check_route6 "2001:db8:104::3 dev dummy2 proto kernel metric 261"
+       log_test $? 0 "Modify metric and peer address on peer side"
+
        $IP li del dummy1
        $IP li del dummy2
        cleanup
@@ -1457,13 +1478,20 @@ ipv4_addr_metric_test()
 
        run_cmd "$IP addr flush dev dummy2"
        run_cmd "$IP addr add dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 260"
-       run_cmd "$IP addr change dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 261"
        rc=$?
        if [ $rc -eq 0 ]; then
-               check_route "172.16.104.2 dev dummy2 proto kernel scope link src 172.16.104.1 metric 261"
+               check_route "172.16.104.2 dev dummy2 proto kernel scope link src 172.16.104.1 metric 260"
+               rc=$?
+       fi
+       log_test $rc 0 "Set metric of address with peer route"
+
+       run_cmd "$IP addr change dev dummy2 172.16.104.1/32 peer 172.16.104.3 metric 261"
+       rc=$?
+       if [ $rc -eq 0 ]; then
+               check_route "172.16.104.3 dev dummy2 proto kernel scope link src 172.16.104.1 metric 261"
                rc=$?
        fi
-       log_test $rc 0 "Modify metric of address with peer route"
+       log_test $rc 0 "Modify metric and peer address for peer route"
 
        $IP li del dummy1
        $IP li del dummy2