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Diffstat (limited to 'tools/testing/selftests/net/fib_tests.sh')
| -rwxr-xr-x | tools/testing/selftests/net/fib_tests.sh | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh new file mode 100755 index 000000000000..a9154eefb2e2 --- /dev/null +++ b/tools/testing/selftests/net/fib_tests.sh @@ -0,0 +1,429 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# This test is for checking IPv4 and IPv6 FIB behavior in response to +# different events. + +ret=0 + +check_err() +{ + if [ $ret -eq 0 ]; then + ret=$1 + fi +} + +check_fail() +{ + if [ $1 -eq 0 ]; then + ret=1 + fi +} + +netns_create() +{ + local testns=$1 + + ip netns add $testns + ip netns exec $testns ip link set dev lo up +} + +fib_unreg_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 del dev dummy0 + 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 del testns + + if [ $ret -ne 0 ]; then + echo "FAIL: unicast route test" + return 1 + fi + echo "PASS: unicast route test" +} + +fib_unreg_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 del dev dummy0 + 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 + # In IPv6 we do not flush the entire multipath route. + check_err $? + + ip netns exec testns ip link del dev dummy1 + + ip netns del testns + + if [ $ret -ne 0 ]; then + echo "FAIL: multipath route test" + return 1 + fi + echo "PASS: multipath route test" +} + +fib_unreg_test() +{ + echo "Running netdev unregister tests" + + fib_unreg_unicast_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_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 + echo "SKIP: Need root privileges" + exit 0 +fi + +if [ ! -x "$(command -v ip)" ]; then + echo "SKIP: Could not run test without ip tool" + exit 0 +fi + +ip route help 2>&1 | grep -q fibmatch +if [ $? -ne 0 ]; then + echo "SKIP: iproute2 too old, missing fibmatch" + exit 0 +fi + +fib_test + +exit $ret |