Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp4445176ybb; Mon, 23 Mar 2020 21:48:58 -0700 (PDT) X-Google-Smtp-Source: ADFU+vvxlwtsJfWZkb+oWWZTjH1ZhSkXTpPU9+mZV0l69DlT9u7Jxs5ka76NQrdWd0NJJyuR/J03 X-Received: by 2002:a05:6830:10cd:: with SMTP id z13mr19998813oto.210.1585025338600; Mon, 23 Mar 2020 21:48:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585025338; cv=none; d=google.com; s=arc-20160816; b=YvArvDNGd29zTCsWjy0NqKArwH0YX/um5cjkLkiz5CWZE+KLTFRBTNIMPCYV1E1X1O BdhDaUPS7w06/m+6LnQbmyag3Om1XtuGoRZb5BHAfJsU4r9Ol32xjnV7YDHGJsIqGO8L ADLuFmeR63CScj0I+XxnbAwzcPlxJLJi4OR6mju+ram7baxtgfPbSqQusZTgofRooER3 raFlTSgFatnckpheGRujbTjZq9INDrf0k5d8QYL5Zm4eu04Pon6STAw3mDIgBQr2DEGt ycCOlSSAtwhsVrmYYn+lWBcD37Up5T0YMO1azz31tg2cl6zNSpz+ekbvgONki5hJd6I4 v9qQ== 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=vy8rYIFDkMW8gXXq2pViuPNKdji42OcsS6AsdcWpRdY=; b=SxzECN8VVWzGksQRevgIhY2CvNxk8ti+w2Wu1jG1EztnT7e74YV5RKgfmHssnYv962 Md09VU8KZAYc5UsEvwFwXgGhYYF3Ovry14SJMBsLYBeS9IVRtA1JAKr5PrfjJ0AldDWB MZFHQW4jLi+JX3+EPhjFVEjBmgVCSu4VpeKB0AHyRNInM0siOHLAcUuW9+cfqc+nTD53 2yKK8F3gc8boFCvIpnkHWUk/HAQHcVPQTmKPZE7tqUNQLmm2sPnhKjhnbY4eFmqvSG4D pokTWIBC0WngCyYlea+QMW+TM8dGS28r9nXGsKKfGOxLR8ki5n38s2t0gjbJSB+8KNaO YMRg== 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 s11si8261410oih.95.2020.03.23.21.48.45; Mon, 23 Mar 2020 21:48:58 -0700 (PDT) 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 S1727334AbgCXEqj (ORCPT + 99 others); Tue, 24 Mar 2020 00:46:39 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:56336 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727299AbgCXEqj (ORCPT ); Tue, 24 Mar 2020 00:46:39 -0400 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 E14451579A57D; Mon, 23 Mar 2020 21:46:37 -0700 (PDT) Date: Mon, 23 Mar 2020 21:46:36 -0700 (PDT) Message-Id: <20200323.214636.1040830888283850102.davem@davemloft.net> To: f.fainelli@gmail.com Cc: netdev@vger.kernel.org, mbizon@freebox.fr, andrew@lunn.ch, vivien.didelot@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] net: dsa: Fix duplicate frames flooded by learning From: David Miller In-Reply-To: <20200322205850.3528-1-f.fainelli@gmail.com> References: <20200322205850.3528-1-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]); Mon, 23 Mar 2020 21:46:38 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Florian Fainelli Date: Sun, 22 Mar 2020 13:58:50 -0700 > When both the switch and the bridge are learning about new addresses, > switch ports attached to the bridge would see duplicate ARP frames > because both entities would attempt to send them. > > Fixes: 5037d532b83d ("net: dsa: add Broadcom tag RX/TX handler") > Reported-by: Maxime Bizon > Signed-off-by: Florian Fainelli Applied and queued up for -stable.