From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id E7CD9A05D3 for ; Thu, 25 Apr 2019 17:27:55 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 697E71B5C1; Thu, 25 Apr 2019 17:27:55 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id A4CC41B59B for ; Thu, 25 Apr 2019 17:27:53 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Apr 2019 08:27:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,394,1549958400"; d="scan'208";a="137408846" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.33]) ([10.237.221.33]) by orsmga008.jf.intel.com with ESMTP; 25 Apr 2019 08:27:50 -0700 To: Thomas Monjalon Cc: dev@dpdk.org, Wenzhuo Lu , Jingjing Wu , Bernard Iremonger , Andrew Rybchenko , WenjieX A Li References: <20190424220309.84270-1-ferruh.yigit@intel.com> <2485235.lFPfLJtBTM@xps> <1838455.hGyFdCOQE1@xps> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1838455.hGyFdCOQE1@xps> Content-Type: text/plain; charset="UTF-8" Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH] Revert "app/testpmd: set fixed flag for exact link speed" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Message-ID: <20190425152749.MHcmIXIq7BYKPM5uVZofzkk-nGSPhsvTo0W7_cHhD84@z> On 4/25/2019 2:29 PM, Thomas Monjalon wrote: > 25/04/2019 13:47, Ferruh Yigit: >> On 4/25/2019 9:19 AM, Thomas Monjalon wrote: >>> 25/04/2019 00:03, Ferruh Yigit: >>>> This reverts commit bdca79053b6aea504d02691d9319fa976062457f. >>>> >>>> Not all PMDs support the fixed link speed set, and link speed can be set >>>> even with auto negotiation enabled. Reverting the patch to not break >>>> existing usage. >>> >>> Which PMDs do not support this flag? >>> Why not fixing the PMDs? >>> >> >> At least ixgbe and i40e is not supporting setting a fixed speed. >> But I am not sure if this is something to fix, the command in testpmd is to set >> the link speed, what is the problem with setting the link speed without >> disabling the auto-negotiation? > > It means it will negotiate with only one speed proposed. Yes. > The real issue is to not support the fixed flag. I don't know if this is a real issue but even it is, is it an issue in the scope of this testpmd command? right now we are first updating the command to set fixed speed flag, and requesting PMDs to fix for it, I am suggesting not to update the command at all.