[dpdk-dev] rte_mbuf's packet_type field

[Ananyev, Konstantin]

Hi,

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Olivier MATZ
> Sent: Friday, March 04, 2016 9:29 AM
> To: Zoltan Kiss; dev at dpdk.org
> Subject: Re: [dpdk-dev] rte_mbuf's packet_type field
> 
> Hi Zoltan,
> 
> On 03/01/2016 06:15 PM, Zoltan Kiss wrote:
> > I have a quick question about this field: how do I know if the
> > underlying PMD supports a particular protocol parsing. Let's say I want
> > to check for SCTP packets, looking at this field tells me EITHER the
> > packet is SCTP (or not), OR that the hardware has no idea about SCTP. Is
> > there a way to figure that support out?
> 
> I'm not aware of such a feature. I guess you want to avoid to re-check
> all protocols in software if the hardware supports some of them and
> did not recognize them? In that case it may be interesting, but it would
> result in a lot of feature flags.

Nothing in the mainline, but there is a patches in-flight:
http://dpdk.org/dev/patchwork/patch/10921/

Konstantin

> 
> Regards,
> Olivier