[dpdk-dev] [PATCH v12 0/6] add Tx preparation

[Ananyev, Konstantin]

> > > This means vmxnet3 PMD also should be updated, right?
> >
> > Yes, that's right.
> >
> > >Should that update
> > > be part of tx_prep patchset? Or separate patch?
> >
> > Another question I suppose is who will do the actual patch for vmxnet3.
> > Yong, are you ok to do the patch for vmxnet3, or prefer us to do that?
> > Please note, that in both cases will need your help in testing/reviewing it.
> > Konstantin
> 
> It will be great if you can put together a patch as part of the entire patchset on tx_prep() for vmxnet3 and I will definitely help review
> it.

Ok. 

> 
> Regarding testing, I can definitely help but I don't have a testing harness to cover the entire matrix (different ESX version, different
> vmxnet3 device version, VM-VM, VM-physical over different uplinks, etc.) so it will be limited.  Related to this, I have the impression
> that Intel has some existing coverage for vmxnet3 as well as other NICs.  Do we know if that will cover this use case as well?

I'll ask our validation team, but I don't know off-hand what coverage for vmxnet3 we have.
Konstantin


> 
> > >
> > > >>>
> > > >>
> > > >>>>> This is for any TX offload for which the upper layer SW would have
> > > >>
> > > >>>>> to modify the contents of the packet.
> > > >>
> > > >>>>> Though as I can see for qede neither PKT_TX_IP_CKSUM or
> > > >>
> > > >>>> PKT_TX_TCP_CKSUM
> > > >>
> > > >>>>> exhibits any extra requirements for the user.
> > > >>
> > > >>>>> Is that correct?
> > > >>
> > > >>
> > > >