[Intel-wired-lan] [next PATCH 00/11] ixgbe: Add support for mixed PF/VF virtualization

Jeff Kirsher jeffrey.t.kirsher at intel.com
Tue Nov 3 12:38:51 UTC 2015

On Mon, 2015-11-02 at 17:09 -0800, Alexander Duyck wrote:
> This patch series extends the abilities of the ixgbe driver so that
> we can
> now support VLAN trunking on top of the PF when SR-IOV is enabled. 
> By
> doing this we are able to extend the existing capabilities that were
> enabled with the "bridge fdb add" support that was added some time
> ago.  It
> had enabled the ability to have PF and VF mixed on a flat network,
> this
> makes it so that it also works on a VLAN enabled network.
> The first few patches in this series are basically just cleanup. 
> They
> either fix bugs found in the code, or address complexity that was
> making it
> hard to either read or sort out exactly how the code was supposed to
> work.
> The second half of the patch set is where we start adding features.
> Specifically with this patch set the VLAN behavior changes for the PF
> in
> two ways.  First we do not need to use the VLVF if the VFs have not
> already
> set up a pool list.  As such I added functionality so that we can
> skip that
> step when it is not needed.  Then I added support for VLAN
> promiscuous by
> simply setting all of the bits in the VFTA and letting the packets
> fall
> through to the default pool.  In addition when in promiscuous mode we
> set
> the pool bit for the PF in all of the VLVF entries.  This way if
> anyone
> adds a new entry it will automatically have the PF enabled.
> The last few patches address some more issues I found during testing.
>   The
> issues were primarily related to stale entries floating around in
> either
> the RAR or VLVFB registers which were pointing to pools which were
> not
> valid for the given L2 address.

I have added these patches to my queue, Dave.
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