On Wed, Jun 18, 2025 at 07:40:25PM +0900, Yuyang Huang wrote: > This commit adds a new kernel selftest to verify RTNLGRP_IPV6_ACADDR > notifications. The test works by adding/removing a dummy interface, > enabling packet forwarding, and then confirming that user space can > correctly receive anycast notifications. > > The test relies on the iproute2 version to be 6.13+. > > Tested by the following command: > $ vng -v --user root --cpus 16 -- \ > make -C tools/testing/selftests TARGETS=net > TEST_PROGS=rtnetlink_notification.sh \ > TEST_GEN_PROGS="" run_tests > > Signed-off-by: Yuyang Huang <yuyanghu...@google.com> > --- > .../selftests/net/rtnetlink_notification.sh | 52 +++++++++++++++++-- > 1 file changed, 47 insertions(+), 5 deletions(-) > > diff --git a/tools/testing/selftests/net/rtnetlink_notification.sh > b/tools/testing/selftests/net/rtnetlink_notification.sh
... > @@ -18,12 +20,11 @@ kci_test_mcast_addr_notification() > local tmpfile > local monitor_pid > local match_result > - local test_dev="test-dummy1" > > tmpfile=$(mktemp) > defer rm "$tmpfile" > > - ip monitor maddr > $tmpfile & > + ip monitor maddr > "$tmpfile" & > monitor_pid=$! > defer kill_process "$monitor_pid" > > @@ -32,7 +33,7 @@ kci_test_mcast_addr_notification() > if [ ! -e "/proc/$monitor_pid" ]; then > RET=$ksft_skip > log_test "mcast addr notification: iproute2 too old" > - return $RET > + return "$RET" > fi > > ip link add name "$test_dev" type dummy > @@ -53,7 +54,48 @@ kci_test_mcast_addr_notification() > RET=$ksft_fail > fi > log_test "mcast addr notification: Expected 4 matches, got > $match_result" > - return $RET > + return "$RET" > +} ... > @@ -67,4 +109,4 @@ require_command ip > > tests_run > > -exit $EXIT_STATUS > +exit "$EXIT_STATUS" Hi, While I like the changes above (that I haven't trimmed-out) these seem to be clean-ups that aren't strictly related to the subject of this patch. IOW, they don't belong in this patch (but could be a separate patch). -- pw-bot: changes-requested