[dpdk-dev] [PATCH 00/13] cxgbe: add CXGBE VF PMD and updates

[Shahaf Shuler]

Tuesday, March 27, 2018 10:02 AM, Rahul Lakkireddy:

[...]

> > >
> > > Patch 13 adds compile time option to keep outer vlan tag in Q-in-Q
> > > packet.
> >
> > We are trying to reduce the config options, is it possible to provide
> > this functionality with a runtime option (devargs) ?
> >
> 
> Thank you for pointing to this. It seems like a good option.
> 
> > Or there is already an offload option DEV_RX_OFFLOAD_QINQ_STRIP, I
> > guess this is different (is it?), if so does it make sense to have
> > another offload option to cover your case?
> >
> >
> 
> Yes, this is different. Here, its about stripping or preserving Outer-VLAN tag
> from double-vlan in Rx. We have few customers who need this for their use-
> case. So, adding another offload option would also help. Let us know which is
> preferred - either one, devargs OR another offload, seems fine.

What exactly is the offload you try to expose? To strip the inner VLAN while keeping the outer one? 

> 
> Thanks,
> Rahul