From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2840AC433DF for ; Mon, 18 May 2020 13:36:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE18E206D4 for ; Mon, 18 May 2020 13:36:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="JxJEvVRg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727987AbgERNgy (ORCPT ); Mon, 18 May 2020 09:36:54 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:52406 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726918AbgERNgx (ORCPT ); Mon, 18 May 2020 09:36:53 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04IDahY6089771; Mon, 18 May 2020 08:36:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589809003; bh=gKUJRSdjNQnlN2s5eKUQq+ubvPAIsEetXhJ0LY3JnRs=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=JxJEvVRg6rhpU1e8wZ1P2Wkjnk36DLCS8NEhoL+sj+4Uh21dymHODRk87ZNsUhQVR 6NXNEqnxBSwigmpSvxwMFYzbx4N27KzgtxylS4Bl7GV5sb3LSJn84HHvw4g8Pzcwoi ShkQS/XMMy0Jo8UPF4vHbUisCG0cHif5SiVC0YpQ= Received: from DLEE100.ent.ti.com (dlee100.ent.ti.com [157.170.170.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04IDahmv112525; Mon, 18 May 2020 08:36:43 -0500 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 18 May 2020 08:36:42 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Mon, 18 May 2020 08:36:42 -0500 Received: from [10.250.74.234] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04IDagxD025637; Mon, 18 May 2020 08:36:42 -0500 Subject: Re: [next-queue RFC 0/4] ethtool: Add support for frame preemption To: Michael Walle , Vinicius Costa Gomes CC: , , , , References: <20200516012948.3173993-1-vinicius.gomes@intel.com> <20200517170601.31832446@apollo> From: Murali Karicheri Message-ID: <6e26814b-242e-b60b-a9b5-6ed6608d0fce@ti.com> Date: Mon, 18 May 2020 09:36:42 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200517170601.31832446@apollo> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi, On 5/17/20 11:06 AM, Michael Walle wrote: > What about the Qbu handshake state? And some NICs support overriding > this. I.e. enable frame preemption even if the handshake wasn't > successful. You are talking about Verify procedure to hand shake with peer to know if remote support IET fragmentation and re-assembly? If yes, this manual mode of provisioning is required as well. So one optional parameter needed is enable-verify. If that is not enabled then device assumes the remote is capable of fragmentation and re-assembly. -- Murali Karicheri Texas Instruments