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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 8F618C2BAEE for ; Tue, 24 Mar 2020 04:46:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 706C820663 for ; Tue, 24 Mar 2020 04:46:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727330AbgCXEqj (ORCPT ); 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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.