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Message-Id: <20180107104518.31693-18-idosch@mellanox.com>
Date: Sun, 7 Jan 2018 12:45:17 +0200
From: Ido Schimmel <idosch@...lanox.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, dsahern@...il.com, roopa@...ulusnetworks.com,
nicolas.dichtel@...nd.com, weiwan@...gle.com, kafai@...com,
yoshfuji@...ux-ipv6.org, mlxsw@...lanox.com,
Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 17/18] selftests: fib_tests: Add test cases for netdev down
Check that IPv4 and IPv6 react the same when a netdev is being put
administratively down.
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
tools/testing/selftests/net/fib_tests.sh | 141 +++++++++++++++++++++++++++++++
1 file changed, 141 insertions(+)
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 767d2ab2385d..25ba74f8a37e 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -120,9 +120,150 @@ fib_unreg_test()
fib_unreg_multipath_test
}
+fib_down_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 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 link set dev dummy0 down
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 198.51.100.2 &> /dev/null
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+ check_fail $?
+
+ ip netns exec testns ip link del dev dummy0
+
+ ip netns del testns
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: unicast route test"
+ return 1
+ fi
+ echo "PASS: unicast route test"
+}
+
+fib_down_multipath_test_do()
+{
+ local down_dev=$1
+ local up_dev=$2
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 \
+ oif $down_dev &> /dev/null
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 \
+ oif $down_dev &> /dev/null
+ check_fail $?
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 \
+ oif $up_dev &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 \
+ oif $up_dev &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 | \
+ grep $down_dev | grep -q "dead linkdown"
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 | \
+ grep $down_dev | grep -q "dead linkdown"
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 | \
+ grep $up_dev | grep -q "dead linkdown"
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 | \
+ grep $up_dev | grep -q "dead linkdown"
+ check_fail $?
+}
+
+fib_down_multipath_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 add dummy1 type dummy
+ ip netns exec testns ip link set dev dummy1 up
+
+ 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 address add 192.0.2.1/24 dev dummy1
+ ip netns exec testns ip -6 address add 2001:db8:2::1/64 dev dummy1
+
+ ip netns exec testns ip route add 203.0.113.0/24 \
+ nexthop via 198.51.100.2 dev dummy0 \
+ nexthop via 192.0.2.2 dev dummy1
+ ip netns exec testns ip -6 route add 2001:db8:3::/64 \
+ nexthop via 2001:db8:1::2 dev dummy0 \
+ nexthop via 2001:db8:2::2 dev dummy1
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip link set dev dummy0 down
+ check_err $?
+
+ fib_down_multipath_test_do "dummy0" "dummy1"
+
+ ip netns exec testns ip link set dev dummy0 up
+ check_err $?
+ ip netns exec testns ip link set dev dummy1 down
+ check_err $?
+
+ fib_down_multipath_test_do "dummy1" "dummy0"
+
+ ip netns exec testns ip link set dev dummy0 down
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 &> /dev/null
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+ check_fail $?
+
+ ip netns exec testns ip link del dev dummy1
+ ip netns exec testns ip link del dev dummy0
+
+ ip netns del testns
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: multipath route test"
+ return 1
+ fi
+ echo "PASS: multipath route test"
+}
+
+fib_down_test()
+{
+ echo "Running netdev down tests"
+
+ fib_down_unicast_test
+ fib_down_multipath_test
+}
+
fib_test()
{
fib_unreg_test
+ fib_down_test
}
if [ "$(id -u)" -ne 0 ];then
--
2.14.3
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