[ovs-build] Passed: ovsrobot/ovn#849 (series_188571 - 387d9f4)

Travis CI builds at travis-ci.com
Thu Jul 9 14:28:42 UTC 2020


Build Update for ovsrobot/ovn
-------------------------------------

Build: #849
Status: Passed

Duration: 19 mins and 42 secs
Commit: 387d9f4 (series_188571)
Author: Numan Siddique
Message: Fix the routing for external logical ports of bridged logical switches.

Routing for external logical ports is broken if these ports belonged
to bridged logical switches (with localnet port) and 'ovn-chassis-mac-mappings'
is configured. External logical ports are those which are external to OVN,
but there is a logical port for it and it is claimed by one of the HA chassis.
The claimed chassis provides routing and other native OVN serices like dhcp and dns.

When the external port sends ARP request for the router IP, the claimed chassis
replies for the ARP request, but the arp.sha is set to the actual router mac instead
of the chassis mac. This causes the traffic from external port VM/container to be handled
incorrectly. A ping to the router ip, is replied by all the chassis which can see this
packet instead of just the claimed HA chassis.

To fix this, this patch does 2 things.

1. In the table - OFTABLE_LOG_TO_PHY (65), it adds a 160 priority flow to
   modify the ARP packets arp.sha to store the chassis mac.

2. And when the packet destined to the chassis mac is received, it replaces the
   chassis mac with the actual router mac in table 0.

Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1829762
Reported-by: Daniel Alvarez <dalvarez at redhat.com>
CC: Ankur Sharma <ankur.sharma at nutanix.com>
Signed-off-by: Numan Siddique <numans at ovn.org>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovn/commit/387d9f4097ce

View the full build log and details: https://travis-ci.com/github/ovsrobot/ovn/builds/174950872?utm_medium=notification&utm_source=email

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