selftests: fib_tests: Add test cases for netdev carrier change
Check that IPv4 and IPv6 react the same when the carrier of a netdev is
toggled. Local routes should not be affected by this, whereas unicast
routes should.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-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 25ba74f..a9154ee 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -260,10 +260,152 @@
fib_down_multipath_test
}
+fib_carrier_local_test()
+{
+ ret=0
+
+ # Local routes should not be affected when carrier changes.
+ netns_create "testns"
+
+ ip netns exec testns ip link add dummy0 type dummy
+ ip netns exec testns ip link set dev dummy0 up
+
+ ip netns exec testns ip link set dev dummy0 carrier on
+
+ ip netns exec testns ip address add 198.51.100.1/24 dev dummy0
+ ip netns exec testns ip -6 address add 2001:db8:1::1/64 dev dummy0
+
+ ip netns exec testns ip route get fibmatch 198.51.100.1 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 198.51.100.1 | \
+ grep -q "linkdown"
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 | \
+ grep -q "linkdown"
+ check_fail $?
+
+ ip netns exec testns ip link set dev dummy0 carrier off
+
+ ip netns exec testns ip route get fibmatch 198.51.100.1 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 198.51.100.1 | \
+ grep -q "linkdown"
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 | \
+ grep -q "linkdown"
+ check_fail $?
+
+ ip netns exec testns ip address add 192.0.2.1/24 dev dummy0
+ ip netns exec testns ip -6 address add 2001:db8:2::1/64 dev dummy0
+
+ ip netns exec testns ip route get fibmatch 192.0.2.1 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:2::1 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 192.0.2.1 | \
+ grep -q "linkdown"
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:2::1 | \
+ grep -q "linkdown"
+ check_fail $?
+
+ ip netns exec testns ip link del dev dummy0
+
+ ip netns del testns
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: local route carrier test"
+ return 1
+ fi
+ echo "PASS: local route carrier test"
+}
+
+fib_carrier_unicast_test()
+{
+ ret=0
+
+ netns_create "testns"
+
+ ip netns exec testns ip link add dummy0 type dummy
+ ip netns exec testns ip link set dev dummy0 up
+
+ ip netns exec testns ip link set dev dummy0 carrier on
+
+ ip netns exec testns ip address add 198.51.100.1/24 dev dummy0
+ ip netns exec testns ip -6 address add 2001:db8:1::1/64 dev dummy0
+
+ ip netns exec testns ip route get fibmatch 198.51.100.2 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 198.51.100.2 | \
+ grep -q "linkdown"
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 | \
+ grep -q "linkdown"
+ check_fail $?
+
+ ip netns exec testns ip link set dev dummy0 carrier off
+
+ ip netns exec testns ip route get fibmatch 198.51.100.2 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 198.51.100.2 | \
+ grep -q "linkdown"
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 | \
+ grep -q "linkdown"
+ check_err $?
+
+ ip netns exec testns ip address add 192.0.2.1/24 dev dummy0
+ ip netns exec testns ip -6 address add 2001:db8:2::1/64 dev dummy0
+
+ ip netns exec testns ip route get fibmatch 192.0.2.2 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:2::2 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 192.0.2.2 | \
+ grep -q "linkdown"
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:2::2 | \
+ grep -q "linkdown"
+ check_err $?
+
+ ip netns exec testns ip link del dev dummy0
+
+ ip netns del testns
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: unicast route carrier test"
+ return 1
+ fi
+ echo "PASS: unicast route carrier test"
+}
+
+fib_carrier_test()
+{
+ echo "Running netdev carrier change tests"
+
+ fib_carrier_local_test
+ fib_carrier_unicast_test
+}
+
fib_test()
{
fib_unreg_test
fib_down_test
+ fib_carrier_test
}
if [ "$(id -u)" -ne 0 ];then