selftests: add 'ip get' to rtnetlink.sh

exercise ip/ip6 RTM_GETROUTE doit() callpath.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/net/rtnetlink.sh

@@ -164,6 +164,37 @@ kci_test_polrouting()
 	echo "PASS: policy routing"
 }
 
+kci_test_route_get()
+{
+	ret=0
+
+	ip route get 127.0.0.1 > /dev/null
+	check_err $?
+	ip route get 127.0.0.1 dev "$devdummy" > /dev/null
+	check_err $?
+	ip route get ::1 > /dev/null
+	check_err $?
+	ip route get fe80::1 dev "$devdummy" > /dev/null
+	check_err $?
+	ip route get 127.0.0.1 from 127.0.0.1 oif lo tos 0x1 mark 0x1 > /dev/null
+	check_err $?
+	ip route get ::1 from ::1 iif lo oif lo tos 0x1 mark 0x1 > /dev/null
+	check_err $?
+	ip addr add dev "$devdummy" 10.23.7.11/24
+	check_err $?
+	ip route get 10.23.7.11 from 10.23.7.12 iif "$devdummy" > /dev/null
+	check_err $?
+	ip addr del dev "$devdummy" 10.23.7.11/24
+	check_err $?
+
+	if [ $ret -ne 0 ];then
+		echo "FAIL: route get"
+		return 1
+	fi
+
+	echo "PASS: route get"
+}
+
 kci_test_rtnl()
 {
 	kci_add_dummy
@@ -173,6 +204,7 @@ kci_test_rtnl()
 	fi
 
 	kci_test_polrouting
+	kci_test_route_get
 	kci_test_tc
 	kci_test_gre
 	kci_test_bridge