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Commit 5adb7683 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

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: default avatarIdo Schimmel <idosch@mellanox.com>
Acked-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 607bd2e5

tools/testing/selftests/net/fib_tests.sh

+141 −0
Original line number Diff line number Diff line
@@ -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