RE: [PATCH v2] ixgbe: make VLAN filter conditional

[Hiroshi Shimamoto]

> From: Hiroshi Shimamoto <h-shimamoto@xxxxxxxxxxxxx>
> 
> Disable hardware VLAN filtering if netdev->features VLAN flag is dropped.
> 
> In SR-IOV case, there is a use case which needs to disable VLAN filter.
> For example, we need to make a network function with VF in virtualized
> environment. That network function may be a software switch, a router
> or etc. It means that that network function will be an end point which
> terminates many VLANs.
> 
> In the current implementation, VLAN filtering always be turned on and
> VF can receive only 63 VLANs. It means that only 63 VLANs can be terminated
> in one NIC.
> 
> With this patch, if the user turns VLAN filtering off on the host, VF
> can receive every VLAN packet.
> 
> This VLAN filtering can be turned on or off when SR-IOV is disabled, if not
> the operation is rejected.

Hi,

any comment about this?
I added a warning message and prevent operation during SR-IOV is enabled.


thanks,
Hiroshi

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