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Message #83348
[Bug 1888487] [NEW] Change the default value of "propagate_uplink_status" to True
Public bug reported:
RFE [1] implemented a new port extension for SR-IOV ports. When this
extension is enabled, the user can set this new flag
"propagate_uplink_status" to True. That will set the VF link-state
associated to this SR-IOV to "auto".
By default, without this extension, the link-state will be set to
"enable" or "disable".
With this extension and "propagate_uplink_status" to False, the behavior
will be the same ("enable"/"disable").
This bug is proposing to, by default, if this extension is enabled, to
set "propagate_uplink_status" to True. That will set the link-state of
the VF to "auto". That means the VF state will follow the PF state
NOTE: in some devices, the VF set to "enable" can transmit traffic when
the PF is "down". That means if the VF is set to "auto", the VF won't be
able to transmit. But, IMO, this behavior is more reasonable that
allowing the VF to use the line when the PF is down.
[1]https://bugs.launchpad.net/neutron/+bug/1722720
** Affects: neutron
Importance: Wishlist
Status: New
** Changed in: neutron
Importance: Undecided => Wishlist
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https://bugs.launchpad.net/bugs/1888487
Title:
Change the default value of "propagate_uplink_status" to True
Status in neutron:
New
Bug description:
RFE [1] implemented a new port extension for SR-IOV ports. When this
extension is enabled, the user can set this new flag
"propagate_uplink_status" to True. That will set the VF link-state
associated to this SR-IOV to "auto".
By default, without this extension, the link-state will be set to
"enable" or "disable".
With this extension and "propagate_uplink_status" to False, the
behavior will be the same ("enable"/"disable").
This bug is proposing to, by default, if this extension is enabled, to
set "propagate_uplink_status" to True. That will set the link-state of
the VF to "auto". That means the VF state will follow the PF state
NOTE: in some devices, the VF set to "enable" can transmit traffic
when the PF is "down". That means if the VF is set to "auto", the VF
won't be able to transmit. But, IMO, this behavior is more reasonable
that allowing the VF to use the line when the PF is down.
[1]https://bugs.launchpad.net/neutron/+bug/1722720
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