[dpdk-dev] rte_mbuf's packet_type field

Zoltan Kiss zoltan.kiss at linaro.org
Fri Mar 4 14:40:25 CET 2016



On 04/03/16 10:58, Ananyev, Konstantin wrote:
> 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/

Thanks, this would do it!

Regards,

Zoltan

>
> Konstantin
>
>>
>> Regards,
>> Olivier
>


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