diff options
Diffstat (limited to 'tools/testing/selftests/net/fib_tests.sh')
| -rwxr-xr-x | tools/testing/selftests/net/fib_tests.sh | 287 |
1 files changed, 231 insertions, 56 deletions
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 1080ff55a788..6dd403103800 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -9,11 +9,15 @@ ret=0 ksft_skip=4 # all tests in this script. Can be overridden with -t option -TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics" +TESTS="unregister down carrier nexthop suppress ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw rp_filter ipv4_del_addr" + VERBOSE=0 PAUSE_ON_FAIL=no PAUSE=no IP="ip -netns ns1" +NS_EXEC="ip netns exec ns1" + +which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping) log_test() { @@ -48,6 +52,7 @@ setup() { set -e ip netns add ns1 + ip netns set ns1 auto $IP link set dev lo up ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1 ip netns exec ns1 sysctl -qw net.ipv6.conf.all.forwarding=1 @@ -431,6 +436,37 @@ fib_carrier_test() fib_carrier_unicast_test } +fib_rp_filter_test() +{ + echo + echo "IPv4 rp_filter tests" + + setup + + set -e + $IP link set dev lo address 52:54:00:6a:c7:5e + $IP link set dummy0 address 52:54:00:6a:c7:5e + $IP link add dummy1 type dummy + $IP link set dummy1 address 52:54:00:6a:c7:5e + $IP link set dev dummy1 up + $NS_EXEC sysctl -qw net.ipv4.conf.all.rp_filter=1 + $NS_EXEC sysctl -qw net.ipv4.conf.all.accept_local=1 + $NS_EXEC sysctl -qw net.ipv4.conf.all.route_localnet=1 + + $NS_EXEC tc qd add dev dummy1 parent root handle 1: fq_codel + $NS_EXEC tc filter add dev dummy1 parent 1: protocol arp basic action mirred egress redirect dev lo + $NS_EXEC tc filter add dev dummy1 parent 1: protocol ip basic action mirred egress redirect dev lo + set +e + + run_cmd "ip netns exec ns1 ping -I dummy1 -w1 -c1 198.51.100.1" + log_test $? 0 "rp_filter passes local packets" + + run_cmd "ip netns exec ns1 ping -I dummy1 -w1 -c1 127.0.0.1" + log_test $? 0 "rp_filter passes loopback packets" + + cleanup +} + ################################################################################ # Tests on nexthop spec @@ -580,6 +616,20 @@ fib_nexthop_test() cleanup } +fib_suppress_test() +{ + $IP link add dummy1 type dummy + $IP link set dummy1 up + $IP -6 route add default dev dummy1 + $IP -6 rule add table main suppress_prefixlength 0 + ping -f -c 1000 -W 1 1234::1 || true + $IP -6 rule del table main suppress_prefixlength 0 + $IP link del dummy1 + + # If we got here without crashing, we're good. + return 0 +} + ################################################################################ # Tests on route add and replace @@ -605,6 +655,39 @@ run_cmd() return $rc } +check_expected() +{ + local out="$1" + local expected="$2" + local rc=0 + + [ "${out}" = "${expected}" ] && return 0 + + if [ -z "${out}" ]; then + if [ "$VERBOSE" = "1" ]; then + printf "\nNo route entry found\n" + printf "Expected:\n" + printf " ${expected}\n" + fi + return 1 + fi + + # tricky way to convert output to 1-line without ip's + # messy '\'; this drops all extra white space + out=$(echo ${out}) + if [ "${out}" != "${expected}" ]; then + rc=1 + if [ "${VERBOSE}" = "1" ]; then + printf " Unexpected route entry. Have:\n" + printf " ${out}\n" + printf " Expected:\n" + printf " ${expected}\n\n" + fi + fi + + return $rc +} + # add route for a prefix, flushing any existing routes first # expected to be the first step of a test add_route6() @@ -652,31 +735,7 @@ check_route6() pfx=$1 out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//') - [ "${out}" = "${expected}" ] && return 0 - - if [ -z "${out}" ]; then - if [ "$VERBOSE" = "1" ]; then - printf "\nNo route entry found\n" - printf "Expected:\n" - printf " ${expected}\n" - fi - return 1 - fi - - # tricky way to convert output to 1-line without ip's - # messy '\'; this drops all extra white space - out=$(echo ${out}) - if [ "${out}" != "${expected}" ]; then - rc=1 - if [ "${VERBOSE}" = "1" ]; then - printf " Unexpected route entry. Have:\n" - printf " ${out}\n" - printf " Expected:\n" - printf " ${expected}\n\n" - fi - fi - - return $rc + check_expected "${out}" "${expected}" } route_cleanup() @@ -698,6 +757,7 @@ route_setup() set -e ip netns add ns2 + ip netns set ns2 auto ip -netns ns2 link set dev lo up ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1 ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1 @@ -725,7 +785,7 @@ route_setup() ip -netns ns2 addr add 172.16.103.2/24 dev veth4 ip -netns ns2 addr add 172.16.104.1/24 dev dummy1 - set +ex + set +e } # assumption is that basic add of a single path route works @@ -960,7 +1020,8 @@ ipv6_addr_metric_test() run_cmd "$IP li set dev dummy2 down" rc=$? if [ $rc -eq 0 ]; then - check_route6 "" + out=$($IP -6 ro ls match 2001:db8:104::/64) + check_expected "${out}" "" rc=$? fi log_test $rc 0 "Prefix route removed on link down" @@ -1041,7 +1102,7 @@ ipv6_route_metrics_test() log_test $rc 0 "Multipath route with mtu metric" $IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300 - run_cmd "ip netns exec ns1 ping6 -w1 -c1 -s 1500 2001:db8:104::1" + run_cmd "ip netns exec ns1 ${ping6} -w1 -c1 -s 1500 2001:db8:104::1" log_test $? 0 "Using route with mtu metric" run_cmd "$IP -6 ro add 2001:db8:114::/64 via 2001:db8:101::2 congctl lock foo" @@ -1091,38 +1152,13 @@ check_route() local pfx local expected="$1" local out - local rc=0 set -- $expected pfx=$1 [ "${pfx}" = "unreachable" ] && pfx=$2 out=$($IP ro ls match ${pfx}) - [ "${out}" = "${expected}" ] && return 0 - - if [ -z "${out}" ]; then - if [ "$VERBOSE" = "1" ]; then - printf "\nNo route entry found\n" - printf "Expected:\n" - printf " ${expected}\n" - fi - return 1 - fi - - # tricky way to convert output to 1-line without ip's - # messy '\'; this drops all extra white space - out=$(echo ${out}) - if [ "${out}" != "${expected}" ]; then - rc=1 - if [ "${VERBOSE}" = "1" ]; then - printf " Unexpected route entry. Have:\n" - printf " ${out}\n" - printf " Expected:\n" - printf " ${expected}\n\n" - fi - fi - - return $rc + check_expected "${out}" "${expected}" } # assumption is that basic add of a single path route works @@ -1387,7 +1423,8 @@ ipv4_addr_metric_test() run_cmd "$IP li set dev dummy2 down" rc=$? if [ $rc -eq 0 ]; then - check_route "" + out=$($IP ro ls match 172.16.104.0/24) + check_expected "${out}" "" rc=$? fi log_test $rc 0 "Prefix route removed on link down" @@ -1401,6 +1438,27 @@ ipv4_addr_metric_test() fi log_test $rc 0 "Prefix route with metric on link up" + # explicitly check for metric changes on edge scenarios + run_cmd "$IP addr flush dev dummy2" + run_cmd "$IP addr add dev dummy2 172.16.104.0/24 metric 259" + run_cmd "$IP addr change dev dummy2 172.16.104.0/24 metric 260" + rc=$? + if [ $rc -eq 0 ]; then + check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.0 metric 260" + rc=$? + fi + log_test $rc 0 "Modify metric of .0/24 address" + + run_cmd "$IP addr flush dev dummy2" + run_cmd "$IP addr add dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 260" + run_cmd "$IP addr change dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 261" + rc=$? + if [ $rc -eq 0 ]; then + check_route "172.16.104.2 dev dummy2 proto kernel scope link src 172.16.104.1 metric 261" + rc=$? + fi + log_test $rc 0 "Modify metric of address with peer route" + $IP li del dummy1 $IP li del dummy2 cleanup @@ -1442,6 +1500,119 @@ ipv4_route_metrics_test() route_cleanup } +ipv4_del_addr_test() +{ + echo + echo "IPv4 delete address route tests" + + setup + + set -e + $IP li add dummy1 type dummy + $IP li set dummy1 up + $IP li add dummy2 type dummy + $IP li set dummy2 up + $IP li add red type vrf table 1111 + $IP li set red up + $IP ro add vrf red unreachable default + $IP li set dummy2 vrf red + + $IP addr add dev dummy1 172.16.104.1/24 + $IP addr add dev dummy1 172.16.104.11/24 + $IP addr add dev dummy2 172.16.104.1/24 + $IP addr add dev dummy2 172.16.104.11/24 + $IP route add 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11 + $IP route add vrf red 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11 + set +e + + # removing address from device in vrf should only remove route from vrf table + $IP addr del dev dummy2 172.16.104.11/24 + $IP ro ls vrf red | grep -q 172.16.105.0/24 + log_test $? 1 "Route removed from VRF when source address deleted" + + $IP ro ls | grep -q 172.16.105.0/24 + log_test $? 0 "Route in default VRF not removed" + + $IP addr add dev dummy2 172.16.104.11/24 + $IP route add vrf red 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11 + + $IP addr del dev dummy1 172.16.104.11/24 + $IP ro ls | grep -q 172.16.105.0/24 + log_test $? 1 "Route removed in default VRF when source address deleted" + + $IP ro ls vrf red | grep -q 172.16.105.0/24 + log_test $? 0 "Route in VRF is not removed by address delete" + + $IP li del dummy1 + $IP li del dummy2 + cleanup +} + + +ipv4_route_v6_gw_test() +{ + local rc + + echo + echo "IPv4 route with IPv6 gateway tests" + + route_setup + sleep 2 + + # + # single path route + # + run_cmd "$IP ro add 172.16.104.0/24 via inet6 2001:db8:101::2" + rc=$? + log_test $rc 0 "Single path route with IPv6 gateway" + if [ $rc -eq 0 ]; then + check_route "172.16.104.0/24 via inet6 2001:db8:101::2 dev veth1" + fi + + run_cmd "ip netns exec ns1 ping -w1 -c1 172.16.104.1" + log_test $rc 0 "Single path route with IPv6 gateway - ping" + + run_cmd "$IP ro del 172.16.104.0/24 via inet6 2001:db8:101::2" + rc=$? + log_test $rc 0 "Single path route delete" + if [ $rc -eq 0 ]; then + check_route "172.16.112.0/24" + fi + + # + # multipath - v6 then v4 + # + run_cmd "$IP ro add 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3" + rc=$? + log_test $rc 0 "Multipath route add - v6 nexthop then v4" + if [ $rc -eq 0 ]; then + check_route "172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1" + fi + + run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1" + log_test $? 2 " Multipath route delete - nexthops in wrong order" + + run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3" + log_test $? 0 " Multipath route delete exact match" + + # + # multipath - v4 then v6 + # + run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1" + rc=$? + log_test $rc 0 "Multipath route add - v4 nexthop then v6" + if [ $rc -eq 0 ]; then + check_route "172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 weight 1 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1" + fi + + run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3" + log_test $? 2 " Multipath route delete - nexthops in wrong order" + + run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1" + log_test $? 0 " Multipath route delete exact match" + + route_cleanup +} ################################################################################ # usage @@ -1504,13 +1675,17 @@ do fib_unreg_test|unregister) fib_unreg_test;; fib_down_test|down) fib_down_test;; fib_carrier_test|carrier) fib_carrier_test;; + fib_rp_filter_test|rp_filter) fib_rp_filter_test;; fib_nexthop_test|nexthop) fib_nexthop_test;; + fib_suppress_test|suppress) fib_suppress_test;; ipv6_route_test|ipv6_rt) ipv6_route_test;; ipv4_route_test|ipv4_rt) ipv4_route_test;; ipv6_addr_metric) ipv6_addr_metric_test;; ipv4_addr_metric) ipv4_addr_metric_test;; + ipv4_del_addr) ipv4_del_addr_test;; ipv6_route_metrics) ipv6_route_metrics_test;; ipv4_route_metrics) ipv4_route_metrics_test;; + ipv4_route_v6_gw) ipv4_route_v6_gw_test;; help) echo "Test names: $TESTS"; exit 0;; esac |
