Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp465486ybf; Wed, 26 Feb 2020 16:40:37 -0800 (PST) X-Google-Smtp-Source: APXvYqwLnKpioJnOIQ8mwsxHDe793dJUa6bzc9LaJMuEr3rGLTcX9qUw/u2jtD5KC5TusuvsXPN5 X-Received: by 2002:aca:44c1:: with SMTP id r184mr1305302oia.151.1582764037378; Wed, 26 Feb 2020 16:40:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582764037; cv=none; d=google.com; s=arc-20160816; b=LrJnttSizOENI0r3YmIykikfmrHCSpSskXr7AG1j60fAAax5zWWuKiE24RHAM3nedE XUioK3P5EfajvROh8vy6wmmJdJc72jJKOzDL3bcVD4DgYX9dodf6PDGTdHpXscxV/Cyr XTaU4f+2WYCOHzs0wCAAoOKiHxKW5y02h+qWRZfIfEkFPZtetRlwkoXO/vZ9sFpncjDC WO1uoRu2d6prnNdEe7en+hsrWxBVRTmcckp9WXN9H5XbA9h3gqiIbvE9/H2ZKg4aWz0x 4bRbi78/mrDp5+FNce3OUUl35QiarZEAEQFG5j9zhYzPpD8y4k9fYlpH56xDR9Ri1iVv Adwg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=gdsMCb0FEe0GuHuMcO+OROSEi6LP06UfRLIE85Ukpfs=; b=Cw9umVMndC/Nf7MyFcBr1nPafATxwZj20dnVjaUsSxghjdxhkJFnTQi0anryBQIxq+ zE9Q/VOc0lkp2r2zslr46omAe2/RRERif7Y20qaHZtsXpfmQPmSOLcJnd23BFkvSH5g1 UlSuDx5DaME6j8UplFj+1xVhmEwZKS+avgN8rL4DbnNkkMgCZ2oxavfV8PHAqm+qkZOw ITFUdTIPNKbdzTleIx0g2GOCRfB9OUGmfNCuGwQ9KNE3gQY1UuFgA9xxI0W6aZMPnzUK q1kTmfLuVtR+7fVf2yFb8KHIQW8p1jqfVIKEtOc9tLmS7pdQZMdQQjCR4aYqvSim0XOW tz+w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 2si478769oij.97.2020.02.26.16.40.25; Wed, 26 Feb 2020 16:40:37 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728090AbgB0Aju (ORCPT + 99 others); Wed, 26 Feb 2020 19:39:50 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:35320 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727987AbgB0Aju (ORCPT ); Wed, 26 Feb 2020 19:39:50 -0500 Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id D29E915ADF427; Wed, 26 Feb 2020 16:39:49 -0800 (PST) Date: Wed, 26 Feb 2020 16:39:49 -0800 (PST) Message-Id: <20200226.163949.936741955680517789.davem@davemloft.net> To: f.fainelli@gmail.com Cc: netdev@vger.kernel.org, andrew@lunn.ch, vivien.didelot@gmail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] net: dsa: bcm_sf2: Forcibly configure IMP port for 1Gb/sec From: David Miller In-Reply-To: <20200224235632.5163-1-f.fainelli@gmail.com> References: <20200224235632.5163-1-f.fainelli@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 26 Feb 2020 16:39:50 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Florian Fainelli Date: Mon, 24 Feb 2020 15:56:32 -0800 > We are still experiencing some packet loss with the existing advanced > congestion buffering (ACB) settings with the IMP port configured for > 2Gb/sec, so revert to conservative link speeds that do not produce > packet loss until this is resolved. > > Fixes: 8f1880cbe8d0 ("net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec") > Fixes: de34d7084edd ("net: dsa: bcm_sf2: Only 7278 supports 2Gb/sec IMP port") > Signed-off-by: Florian Fainelli Applied and queued up for v5.5 -stable. Thanks.