1 files changed, 16 insertions, 0 deletions
diff --git a/tools/testing/selftests/tc-testing/scripts/taprio_wait_for_admin.sh b/tools/testing/selftests/tc-testing/scripts/taprio_wait_for_admin.sh
new file mode 100755
index 000000000000..f5335e8ad6b4
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/scripts/taprio_wait_for_admin.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+TC="$1"; shift
+ETH="$1"; shift
+
+# The taprio architecture changes the admin schedule from a hrtimer and not
+# from process context, so we need to wait in order to make sure that any
+# schedule change actually took place.
+while :; do
+	has_admin="$($TC -j qdisc show dev $ETH root | jq '.[].options | has("admin")')"
+	if [ "$has_admin" = "false" ]; then
+		break;
+	fi
+
+	sleep 1
+done