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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=unavailable 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 2692FC282CE for ; Wed, 10 Apr 2019 02:09:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBE1621741 for ; Wed, 10 Apr 2019 02:09:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fmNW4xBR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727079AbfDJCJc (ORCPT ); Tue, 9 Apr 2019 22:09:32 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:33890 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726513AbfDJCJb (ORCPT ); Tue, 9 Apr 2019 22:09:31 -0400 Received: by mail-pg1-f194.google.com with SMTP id v12so543877pgq.1; Tue, 09 Apr 2019 19:09:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:openpgp:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=0UccuvA1Euxec4cc09BWLLE5hZIV1qg3gm753hmhrhk=; b=fmNW4xBRClJmOpbnMy4T5vjfvmp/MLoc5te+0CDYgWkRzMtLZBDeQmqnQj00UljJz6 uMq5PRE42R+TSk8/5658T0zot+FRUcX6zFbrOFZ8X8tOz970nQsIOYbzxalNUcZ/7tQg dd+EAZ4yUMk8r1529r44sK1Mp81YCAA0jaFYPjk2OU1JatVkA/TtjetdI0pWL7mXgHbo ZF6jza67hYkMqe2WmHX3oEZ2IGQpm1eCgEX4QpSuoWC0KSuDLIjq2lOGEbpmXfvNgrKm /ReqDChTmKqhl/STsMXGsTSCDHgoNBMGJkl9AmHVtbZVdyKmCjeBO+AyViFumU0rKzt5 edkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=0UccuvA1Euxec4cc09BWLLE5hZIV1qg3gm753hmhrhk=; b=DQrFdDF6sEoAw0XiNoGJRkvzbPikIJV3KgKKRTE8aQhvEulvs+TnJnwegJ8hp/0eVI O21kyytY+mYBWJSm6QeMjSRPtCOk1C5x98pG9ozxEmKaNlqdRITtDa9AHGkl4CnCcFNE bZ2BsYo2FC/3nGN2AMDPG6bEnSQ0dS8Dg2nq01WRj91D5SXkzE8VQYaCMFuMMkAzk7fA I3Fh4lNRJq1B8FwElQUITLD4jYAPY5v0vgYhB4AELn+7GsXGVCsRbOv455c2FiRrUw3s JXMJxDAyydWCm5xKEwQn2qiJPCY7Zmyl3ohQQhak0SiuD59VPO+LIVh2MCgMVttVl3Vj xVTQ== X-Gm-Message-State: APjAAAWVgCzn6i/MLXf1XygpAf9IyeUpsBv9k+8YKHnGejFtC2/WPp3F 43mrt95CQ2sOFRz4gYj1iocgKW38 X-Google-Smtp-Source: APXvYqzO7kyhsFmEYrpFGeKZiYZQkvMxNzqnpaSrfvlKjvGg3WJZSYOgtK/6zEck2SSWlCZSBR3J3w== X-Received: by 2002:a62:e816:: with SMTP id c22mr40669187pfi.54.1554862170956; Tue, 09 Apr 2019 19:09:30 -0700 (PDT) Received: from [10.230.28.107] ([192.19.223.250]) by smtp.gmail.com with ESMTPSA id b2sm41466674pfo.150.2019.04.09.19.09.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Apr 2019 19:09:30 -0700 (PDT) Subject: Re: [PATCH v2 net-next 20/22] net: dsa: sja1105: Reject unsupported link modes for AN To: Vladimir Oltean , vivien.didelot@gmail.com, andrew@lunn.ch, davem@davemloft.net Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, georg.waibel@sensor-technik.de References: <20190410005700.31582-1-olteanv@gmail.com> <20190410005700.31582-21-olteanv@gmail.com> From: Florian Fainelli Openpgp: preference=signencrypt Message-ID: Date: Tue, 9 Apr 2019 19:09:25 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190410005700.31582-21-olteanv@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 4/9/2019 5:56 PM, Vladimir Oltean wrote: > Ethernet flow control: > > The switch MAC does not consume, nor does it emit pause frames. It > simply forwards them as any other Ethernet frame (and since the DMAC is, > per IEEE spec, 01-80-C2-00-00-01, it means they are filtered as > link-local traffic and forwarded to the CPU, which can't do anything > useful with them). > > Duplex: > > There is no duplex setting in the SJA1105 MAC. It is known to forward > traffic at line rate on the same port in both directions. Therefore it > must be that it only supports full duplex. > > Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli -- Florian