[ovs-build] Fixed: booxter/ovn#40 (vxlan-support - 9130b98)

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Mon Aug 3 21:51:46 UTC 2020


Build Update for booxter/ovn
-------------------------------------

Build: #40
Status: Fixed

Duration: 18 mins and 27 secs
Commit: 9130b98 (vxlan-support)
Author: Ihar Hrachyshka
Message: Add VXLAN support for non-VTEP datapath bindings

Because of limited space in VXLAN VNI to pass over all three of -
datapath id, ingress port, egress port - the implementation ignores
ingress; and splits the remaining 24 bits of VNI into two chunks, 12
bits each - one for datapath and one for egress port.

Limitations: because ingress port is not passed, ACLs that rely on it
won't work with VXLAN; reduced number of networks and ports per
network (max 4096 for both).

Renamed MLF_RCV_FROM_VXLAN_BIT into MLF_RCV_FROM_VTEP_BIT to reflect
the new use case.

Simple test case that pings through VXLAN tunnel between two
hypervisors added.

TODO:
* introduce new helper to detect vxlan enabled.
^ read all encaps (?) and return true if any are true. maybe once per execution?
* lower max tunnel key when vxlan is enabled.
  ^ can be achieved with vni_ranges for openstack type driver.
* fail to start ovn-controller when datapath/port ids are mixed.
* forbid acls matching against ingress port when vxlan is enabled.

Changes:
- v2: run several dvr connectivity tests with vxlan tunnels.
- v2: update ovn-architecture.7 documentation.

Signed-off-by: Ihar Hrachyshka <ihrachys at redhat.com>

View the changeset: https://github.com/booxter/ovn/compare/b9dc7a35c229...9130b9866e01

View the full build log and details: https://travis-ci.com/github/booxter/ovn/builds/178321594?utm_medium=notification&utm_source=email


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