On Mon, 19 Jan 2026 13:23:02 +0200 (IST)
"Etelson, Gregory" <[email protected]> wrote:

> Hello,
> 
> >> In some cases application does not need to receive entire packet
> >> from port hardware.  
> >
> > Which scenarios need to be used?  
> 
> A typical use case for the selective Rx data read can be the SAMPLE flow 
> action.
> In that scenario, Rx queue that receives sampled packet copy can be 
> configured 
> to deliver to application partial packet data.
> 
> > What is the behavior when
> > LRO(TCP packet aggregation is performed by hardware) is enabled?
> >  
> 
> The selective Rx data read is applied to MBUF layout that will be delivered 
> to 
> an application.
> That functionality comes after all HW Rx offloads.


What is the intended behavior in the selective case. Is there any mechanism for
application to see original length?

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