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-rw-r--r--tools/testing/selftests/net/forwarding/lib.sh13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 2d57912d3973..3353a1745946 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -738,6 +738,19 @@ setup_wait()
sleep $WAIT_TIME
}
+wait_for_dev()
+{
+ local dev=$1; shift
+ local timeout=${1:-$WAIT_TIMEOUT}; shift
+
+ slowwait $timeout ip link show dev $dev &> /dev/null
+ if (( $? )); then
+ check_err 1
+ log_test wait_for_dev "Interface $dev did not appear."
+ exit $EXIT_STATUS
+ fi
+}
+
cmd_jq()
{
local cmd=$1