openstack/neutron
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de712bf467888b05de14bcbe6e65cc1765692c62
neutron/doc/source/contributor/internals/l2_agent_extensions.rst
Akihiro Motoki 2a47ffd96d Rearrange existing documentation to fit the new standard layout 
For more detail, see the doc migration spec.
http://specs.openstack.org/openstack/docs-specs/specs/pike/os-manuals-migration.html

Change-Id: I142a686a3abbe65138a9f3296cd21fc21fbd763a
2017-07-08 05:49:56 +00:00

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L2 agent extensions

L2 agent extensions are part of a generalized L2/L3 extension framework. See agent extensions <agent_extensions>.

Open vSwitch agent API

  • neutron.plugins.ml2.drivers.openvswitch.agent.ovs_agent_extension_api

Open vSwitch agent API object includes two methods that return wrapped and hardened bridge objects with cookie values allocated for calling extensions:

#. request_int_br
#. request_tun_br

Bridge objects returned by those methods already have new default cookie values allocated for extension flows. All flow management methods (add_flow, mod_flow, ...) enforce those allocated cookies.