Re: [PATCH net-next v3 0/6] Device memory TCP TX

[Jakub Kicinski]

On Tue, 4 Feb 2025 11:41:09 -0800 Stanislav Fomichev wrote:
> > > Don't we need some way for the device to opt-in (or opt-out) and avoid
> > > such issues?
> > >  
> > 
> > Yeah, I think likely the driver needs to declare support (i.e. it's
> > not using dma-mapping API with dma-buf addresses).  
> 
> netif_skb_features/ndo_features_check seems like a good fit?

validate_xmit_skb()