1 files changed, 5 insertions, 0 deletions
diff --git a/scripts/automation/trex_control_plane/console/parsing_opts.py b/scripts/automation/trex_control_plane/console/parsing_opts.py
index ab678586..14e8c563 100755
--- a/scripts/automation/trex_control_plane/console/parsing_opts.py
+++ b/scripts/automation/trex_control_plane/console/parsing_opts.py
@@ -23,6 +23,11 @@ FORCE = 10
 # list of ArgumentGroup types
 MUTEX = 1
 
+def check_negative(value):
+    ivalue = int(value)
+    if ivalue < 0:
+        raise argparse.ArgumentTypeError("non positive value provided: '{0}'".format(value))
+    return ivalue
 
 def match_time_unit(val):
     '''match some val against time shortcut inputs '''