From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 92841E008DC; Mon, 1 Dec 2014 20:02:18 -0800 (PST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from smtp.webfaction.com (mail6.webfaction.com [74.55.86.74]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 5C289E0086F for ; Mon, 1 Dec 2014 20:02:15 -0800 (PST) Received: from [192.168.1.10] (unknown [68.38.40.177]) by smtp.webfaction.com (Postfix) with ESMTP id 2F35A59B2656; Tue, 2 Dec 2014 04:02:15 +0000 (UTC) Message-ID: <547D39C5.40203@mindchasers.com> Date: Mon, 01 Dec 2014 23:02:13 -0500 From: Bob Cochran User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: "ting.liu@freescale.com" , "Sandeep.Malik@freescale.com" References: <547A192E.7080209@mindchasers.com> In-Reply-To: Cc: "meta-freescale@yoctoproject.org" Subject: Re: meta-fsl-ppc: questioning reason to disable reverse path filtering... X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Dec 2014 04:02:18 -0000 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit On 12/01/2014 09:38 PM, ting.liu@freescale.com wrote: > Hi Bob, > > You are right. Below is the answer from Sandeep (added in): > > "The RP_FILTER issues are specific to AS_FASTPATH and with current ASF implementation the RP_FILTER needs to be disabled. Since the ASF is disabled by default so the RP_FILTER can be enabled by default and the same can be disabled when someone enables the AS_FASTPATH." > Thank you Ting. What is the right way to patch this? Can we remove the procps bbappend and add something to AS_FASTPATH Kconfig help as I had proposed? If not, please propose what you would like to see. > -Ting > >> -----Original Message----- >> From: meta-freescale-bounces@yoctoproject.org [mailto:meta-freescale- >> bounces@yoctoproject.org] On Behalf Of Bob Cochran >> Sent: Sunday, November 30, 2014 3:06 AM >> To: meta-freescale@yoctoproject.org >> Subject: [meta-freescale] meta-fsl-ppc: questioning reason to disable reverse >> path filtering... >> >> Hi, >> >> Reverse Path filtering (RPF) is disabled by meta-fsl-ppc/recipes- >> extended/procps_%.bbappend. >> >> The git log states: "rp_filter causes issues with VLAN interfaces." >> >> An email patch for procps from FSL back on 3/7/13 states: >> >> "disable rp_filter to enhance ASF IP forward performance, which is really fsl >> SDK specific." >> >> Are both of these statements true? >> >> If so, it looks like AS_FASTPATH is almost always disabled by default in the >> powerpc defconfigs. Therefore, if reverse path filtering issues are specific >> to AS_FASTPATH, I suggest RPF shouldn't be disabled by default. >> Perhaps add a comment in the drivers/net/Kconfig help for AS_FASTPATH that >> if AS_FASTPATH is enabled, then disable RPF. >> >> Regardless, can we get a description added to this recipe append file to >> document why it exists? And if there is no need to disable RPF in >> default configurations, can we just get rid of it? >> >> Thanks >> >> Bob >> >> >> >> >> >> >> -- >> _______________________________________________ >> meta-freescale mailing list >> meta-freescale@yoctoproject.org >> https://lists.yoctoproject.org/listinfo/meta-freescale >