Public bug reported:
in case a user create direct port with binding-profile such as:
--binding-profile '{"capabilities": ["switchdev"]}'. nova-compute will
overwrite that info with the pci_vendor_info pci_slot which are used for the
SR-IOV mechanism driver and agent, and on delete it will clear the
binding:profile.
This change is important to OVS hardware-offload, because we distinguish
between legacy SR-IOV to switchdev SR-IOV with the {"capabilities":
["switchdev"]} in the port profile. And with this info we know what
mechanism driver will bind the direct port. {"capabilities":
["switchdev"]} - will bound by the OVS and all the others will be bound
by SR-IOV mechanism driver
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1719327
Title:
nova compute overwrite binding-profile when updating port direct port
Status in OpenStack Compute (nova):
New
Bug description:
in case a user create direct port with binding-profile such as:
--binding-profile '{"capabilities": ["switchdev"]}'. nova-compute will
overwrite that info with the pci_vendor_info pci_slot which are used for the
SR-IOV mechanism driver and agent, and on delete it will clear the
binding:profile.
This change is important to OVS hardware-offload, because we
distinguish between legacy SR-IOV to switchdev SR-IOV with the
{"capabilities": ["switchdev"]} in the port profile. And with this
info we know what mechanism driver will bind the direct port.
{"capabilities": ["switchdev"]} - will bound by the OVS and all the
others will be bound by SR-IOV mechanism driver
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https://bugs.launchpad.net/nova/+bug/1719327/+subscriptions
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