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Commit 82e45b6f authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

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: 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 5adb7683

tools/testing/selftests/net/fib_tests.sh

+142 −0
Original line number Diff line number Diff line
@@ -260,10 +260,152 @@ fib_down_test() 
	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