From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zoltan Kiss Subject: Re: rte_mbuf's packet_type field Date: Fri, 4 Mar 2016 13:40:25 +0000 Message-ID: <56D99049.5090102@linaro.org> References: <56D5CE1B.2070002@linaro.org> <56D95547.8080601@6wind.com> <2601191342CEEE43887BDE71AB97725836B162E0@irsmsx105.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit To: "Ananyev, Konstantin" , Olivier MATZ , "dev@dpdk.org" Return-path: Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) by dpdk.org (Postfix) with ESMTP id 8C8762949 for ; Fri, 4 Mar 2016 14:40:25 +0100 (CET) Received: by mail-wm0-f51.google.com with SMTP id l68so20816671wml.0 for ; Fri, 04 Mar 2016 05:40:25 -0800 (PST) In-Reply-To: <2601191342CEEE43887BDE71AB97725836B162E0@irsmsx105.ger.corp.intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 04/03/16 10:58, Ananyev, Konstantin wrote: > Hi, > >> -----Original Message----- >> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Olivier MATZ >> Sent: Friday, March 04, 2016 9:29 AM >> To: Zoltan Kiss; dev@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 >