X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Frobot%2Fperformance%2Fperformance_limits.robot;h=67ef3cf5b0636e8e0c2a27349c03d7ea8237f3f8;hp=759ee5c28f2620de9f0d104dccc4a76710e10c4b;hb=1ec52fd5f0886f917743fcad37fb8ef67c88f449;hpb=3d1e8a1fdfa0ec734adf7cc4370e955508882fdc

diff --git a/resources/libraries/robot/performance/performance_limits.robot b/resources/libraries/robot/performance/performance_limits.robot
index 759ee5c28f..67ef3cf5b0 100644
--- a/resources/libraries/robot/performance/performance_limits.robot
+++ b/resources/libraries/robot/performance/performance_limits.robot
@@ -75,6 +75,11 @@
 | | ... | \| Set test Variable \| \${frame_size} \| IMIX_v4_1 \|
 | | ... | \| Set Max Rate And Jumbo \|
 | | ...
+| | # Negative overhead is possible, if DUT-DUT traffic is less encapsulated
+| | # than TG-DUT traffic.
+| | # TODO: Re-check overhead values in suites with both traffics encapsulated.
+| | # TODO: Improve layered setup to detect encap/decap and update overhead.
+| | ${overhead} = | Set Variable If | ${overhead} >= 0 | ${overhead} | ${0}
 | | ${pps_limit} = | Set Variable | ${18750000.0}
 | | ${bps_limit} = | Get From Dictionary | ${NIC_NAME_TO_LIMIT} | ${nic_name}
 | | ${avg_size} = | Get Average Frame Size | ${frame_size}