selftests: Add source route tests to fib_tests

Add tests to verify routes with source address set are deleted when
source address is deleted.

Signed-off-by: David Ahern <dsahern@kernel.org>
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 76c1897..6dd4031 100755 (executable)
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -9,7 +9,7 @@ ret=0
 ksft_skip=4
 
 # all tests in this script. Can be overridden with -t option
-TESTS="unregister down carrier nexthop suppress ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw rp_filter"
+TESTS="unregister down carrier nexthop suppress ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw rp_filter ipv4_del_addr"
 
 VERBOSE=0
 PAUSE_ON_FAIL=no
@@ -1500,6 +1500,55 @@ ipv4_route_metrics_test()
        route_cleanup
 }
 
+ipv4_del_addr_test()
+{
+       echo
+       echo "IPv4 delete address route tests"
+
+       setup
+
+       set -e
+       $IP li add dummy1 type dummy
+       $IP li set dummy1 up
+       $IP li add dummy2 type dummy
+       $IP li set dummy2 up
+       $IP li add red type vrf table 1111
+       $IP li set red up
+       $IP ro add vrf red unreachable default
+       $IP li set dummy2 vrf red
+
+       $IP addr add dev dummy1 172.16.104.1/24
+       $IP addr add dev dummy1 172.16.104.11/24
+       $IP addr add dev dummy2 172.16.104.1/24
+       $IP addr add dev dummy2 172.16.104.11/24
+       $IP route add 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11
+       $IP route add vrf red 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11
+       set +e
+
+       # removing address from device in vrf should only remove route from vrf table
+       $IP addr del dev dummy2 172.16.104.11/24
+       $IP ro ls vrf red | grep -q 172.16.105.0/24
+       log_test $? 1 "Route removed from VRF when source address deleted"
+
+       $IP ro ls | grep -q 172.16.105.0/24
+       log_test $? 0 "Route in default VRF not removed"
+
+       $IP addr add dev dummy2 172.16.104.11/24
+       $IP route add vrf red 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11
+
+       $IP addr del dev dummy1 172.16.104.11/24
+       $IP ro ls | grep -q 172.16.105.0/24
+       log_test $? 1 "Route removed in default VRF when source address deleted"
+
+       $IP ro ls vrf red | grep -q 172.16.105.0/24
+       log_test $? 0 "Route in VRF is not removed by address delete"
+
+       $IP li del dummy1
+       $IP li del dummy2
+       cleanup
+}
+
+
 ipv4_route_v6_gw_test()
 {
        local rc
@@ -1633,6 +1682,7 @@ do
        ipv4_route_test|ipv4_rt)        ipv4_route_test;;
        ipv6_addr_metric)               ipv6_addr_metric_test;;
        ipv4_addr_metric)               ipv4_addr_metric_test;;
+       ipv4_del_addr)                  ipv4_del_addr_test;;
        ipv6_route_metrics)             ipv6_route_metrics_test;;
        ipv4_route_metrics)             ipv4_route_metrics_test;;
        ipv4_route_v6_gw)               ipv4_route_v6_gw_test;;