** Changed in: neutron
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1469871
Title:
OVS Neutron Agent support for ovs+dpdk netdev datapath
Status in neutron:
Fix Released
Bug description:
The OVS Neuton Agent currently supports managing 2 datapaths.
the linux kernel data path and the newly added openvswitch windows datapath.
Based on feedback from the summit this whishlist bug has been created
in place of a blueprint to capture the changes required to enable
the ovs l2 agent to managed the userspace netdev datapath.
2 new config should be added to allow configuation of ovs and the ovs
l2 agent.
cfg.StrOpt('ovs_datapath', default='system', choices=['system','netdev'],
help=_("ovs datapath to use.")),
and
cfg.StrOpt('agent_type', default=q_const.AGENT_TYPE_OVS,
choices=[q_const.AGENT_TYPE_OVS,
q_const.AGENT_TYPE_OVS_DPDK],
help=_("Selects the Agent Type
reported"))
the ovs_datapath config option will provided a mechanism at deploy time to
select which datapath to enable.
the 'system'(kernel) datapath will be enabled by default as it is today. the
netdev(userspace) datapath option will enabled the ovs agent to configure and
manage the netdev data path. this config option will be added to the ovs
section of the ml2_conf.ini
the agent_type config option will provided a mechanism to enable coexistence
of dpdk enabled ovs nodes and vanilla ovs nodes.
by allowing a configurable agent_type both the standard openvswitch ml2
mechanism driver and the ovsdpdk mechanism driver can be used. by default the
agent_type reported will be unchanged 'Open vSwitch agent'. during deployment
an operator can chose to spcify an agent_type of 'DPDK OVS Agent' if they have
deployed a dpdk enabled.
these are the only changes required to extent the ovs agent to suport
the netdev datapath.
documentation and unit tests will be provided to cover these changes.
a new job can be added to the intel-networking-ci to continue to validate
this configuration if additional 3rd party
testing is desired.
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