[ovs-build] Errored: ovsrobot/ovs#1407 (series_124790 - e44cde1)

[Travis CI]

Build Update for ovsrobot/ovs
-------------------------------------

Build: #1407
Status: Errored

Duration: 1 hr, 10 mins, and 46 secs
Commit: e44cde1 (series_124790)
Author: Nitin Katiyar
Message: Improve MPLSoGRE performance by reducing EMC hash collisions.

When a packet is received, the RSS hash is calculated if it is not
already available. The Exact Match Cache (EMC) entry is then looked up
using this RSS hash.

When a MPLSoGRE encapsulated packet is received, the GRE header is
popped, the RSS hash is invalidated and the packet is recirculated for
further processing. When the recirculated packet is processed, the MPLS
header is popped and the packet is recirculated again. Since the RSS
hash has not been invalidated here, the EMC lookup will hit the same
entry as that after the first recirculation. This degrades performance
severely.

This patch invalides RSS hash after MPLS header is popped.

Signed-off-by: Nitin Katiyar <nitin.katiyar at ericsson.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/compare/58b34b0016bf^...e44cde1791ea

View the full build log and details: https://travis-ci.org/ovsrobot/ovs/builds/571247614?utm_medium=notification&utm_source=email

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