From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: [PATCH v2 3/3] net/af_packet: get 'framesz' from the iface's MTU Date: Wed, 28 Nov 2018 13:33:13 +0000 Message-ID: <8b9cbc2b-3b1b-f8d8-7b03-43d7029a3058@intel.com> References: <1542707697-175836-1-git-send-email-tiago.lam@intel.com> <1542709592-215007-1-git-send-email-tiago.lam@intel.com> <1542709592-215007-3-git-send-email-tiago.lam@intel.com> <59e1bdba-331b-e337-56e7-dc4f52057d56@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit To: "Lam, Tiago" , dev@dpdk.org, linville@tuxdriver.com Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 785B51B20C for ; Wed, 28 Nov 2018 14:33:16 +0100 (CET) In-Reply-To: Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 11/28/2018 1:12 PM, Lam, Tiago wrote: > On 27/11/2018 17:43, Ferruh Yigit wrote: >> On 11/20/2018 10:26 AM, Tiago Lam wrote: >>> Use the underlying MTU to calculate the framsize to be used for the mmap >>> RINGs. This is to make it more flexible on deployments with different >>> MTU requirements, instead of using a pre-defined value of 2048B. >> >> This behavior change should be documented in af_packet documentation which is >> missing unfortunately. >> Would you able to introduce the initial/basic af_packet doc to at least to >> document device argument? If not please let me know, I can work on it. >> > > Thanks for the review, Ferruh. > > Yeah, I don't mind cooking something up and submitting here for review; > I'll wait a couple of days for a reply from John W. before proceeding, > though. Thanks, appreciated. Agreed to wait a little. > > But given there's no documentation for af_packet yet, do you prefer to > wait for that to be available, and apply it all together? Or could that > be applied later as part of another patch? Both are OK, depends on your availability. I think it is better, to show the history, first patch as the documentation patch for existing behavior and your patch updating framsz usage (3/3) to update that document as well. Thanks, ferruh