diff options
Diffstat (limited to 'tools/testing/selftests/net/fib_tests.sh')
| -rwxr-xr-x | tools/testing/selftests/net/fib_tests.sh | 134 |
1 files changed, 133 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index a94b73a53f72..c5694cc4ddd2 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -11,7 +11,8 @@ TESTS="unregister down carrier nexthop suppress ipv6_notify ipv4_notify \ 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 \ ipv6_del_addr ipv4_mangle ipv6_mangle ipv4_bcast_neigh fib6_gc_test \ - ipv4_mpath_list ipv6_mpath_list ipv4_mpath_balance ipv6_mpath_balance" + ipv4_mpath_list ipv6_mpath_list ipv4_mpath_balance ipv6_mpath_balance \ + ipv4_mpath_balance_preferred fib6_ra_to_static" VERBOSE=0 PAUSE_ON_FAIL=no @@ -1476,6 +1477,68 @@ ipv6_route_metrics_test() route_cleanup } +fib6_ra_to_static() +{ + setup + + echo + echo "Fib6 route promotion from RA-learned to static test" + set -e + + # ra6 is required for the test. (ipv6toolkit) + if [ ! -x "$(command -v ra6)" ]; then + echo "SKIP: ra6 not found." + set +e + cleanup &> /dev/null + return + fi + + # Create a pair of veth devices to send a RA message from one + # device to another. + $IP link add veth1 type veth peer name veth2 + $IP link set dev veth1 up + $IP link set dev veth2 up + $IP -6 address add 2001:10::1/64 dev veth1 nodad + $IP -6 address add 2001:10::2/64 dev veth2 nodad + + # Make veth1 ready to receive RA messages. + $NS_EXEC sysctl -wq net.ipv6.conf.veth1.accept_ra=2 + + # Send a RA message with a prefix from veth2. + $NS_EXEC ra6 -i veth2 -d 2001:10::1 -P 2001:12::/64\#LA\#120\#60 + + # Wait for the RA message. + sleep 1 + + # systemd may mess up the test. Make sure that + # systemd-networkd.service and systemd-networkd.socket are stopped. + check_rt_num_clean 2 $($IP -6 route list|grep expires|wc -l) || return + + # Configure static address on the same prefix + $IP -6 address add 2001:12::dead/64 dev veth1 nodad + + # On-link route won't expire anymore, default route still owned by RA + check_rt_num 1 $($IP -6 route list |grep expires|wc -l) + + # Send a second RA message with a prefix from veth2. + $NS_EXEC ra6 -i veth2 -d 2001:10::1 -P 2001:12::/64\#LA\#120\#60 + sleep 1 + + # Expire is not back, on-link route is still static + check_rt_num 1 $($IP -6 route list |grep expires|wc -l) + + $IP -6 address del 2001:12::dead/64 dev veth1 nodad + + # Expire is back, on-link route is now owned by RA again + check_rt_num 2 $($IP -6 route list |grep expires|wc -l) + + log_test $ret 0 "ipv6 promote RA route to static" + + set +e + + cleanup &> /dev/null +} + # add route for a prefix, flushing any existing routes first # expected to be the first step of a test add_route() @@ -2688,6 +2751,73 @@ ipv4_mpath_balance_test() forwarding_cleanup } +get_route_dev_src() +{ + local pfx="$1" + local src="$2" + local out + + if out=$($IP -j route get "$pfx" from "$src" | jq -re ".[0].dev"); then + echo "$out" + fi +} + +ipv4_mpath_preferred() +{ + local src_ip=$1 + local pref_dev=$2 + local dev routes + local route0=0 + local route1=0 + local pref_route=0 + num_routes=254 + + for i in $(seq 1 $num_routes) ; do + dev=$(get_route_dev_src 172.16.105.$i $src_ip) + if [ "$dev" = "$pref_dev" ]; then + pref_route=$((pref_route+1)) + elif [ "$dev" = "veth1" ]; then + route0=$((route0+1)) + elif [ "$dev" = "veth3" ]; then + route1=$((route1+1)) + fi + done + + routes=$((route0+route1)) + + [ "$VERBOSE" = "1" ] && echo "multipath: routes seen: ($route0,$route1,$pref_route)" + + if [ x"$pref_dev" = x"" ]; then + [[ $routes -ge $num_routes ]] && [[ $route0 -gt 0 ]] && [[ $route1 -gt 0 ]] + else + [[ $pref_route -ge $num_routes ]] + fi + +} + +ipv4_mpath_balance_preferred_test() +{ + echo + echo "IPv4 multipath load balance preferred route" + + forwarding_setup + + $IP route add 172.16.105.0/24 \ + nexthop via 172.16.101.2 \ + nexthop via 172.16.103.2 + + ipv4_mpath_preferred 172.16.101.1 veth1 + log_test $? 0 "IPv4 multipath loadbalance from veth1" + + ipv4_mpath_preferred 172.16.103.1 veth3 + log_test $? 0 "IPv4 multipath loadbalance from veth3" + + ipv4_mpath_preferred 198.51.100.1 + log_test $? 0 "IPv4 multipath loadbalance from dummy" + + forwarding_cleanup +} + ipv6_mpath_balance_test() { echo @@ -2798,6 +2928,8 @@ do ipv6_mpath_list) ipv6_mpath_list_test;; ipv4_mpath_balance) ipv4_mpath_balance_test;; ipv6_mpath_balance) ipv6_mpath_balance_test;; + ipv4_mpath_balance_preferred) ipv4_mpath_balance_preferred_test;; + fib6_ra_to_static) fib6_ra_to_static;; help) echo "Test names: $TESTS"; exit 0;; esac |