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=-9.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 E8D56C4727C for ; Wed, 30 Sep 2020 19:19:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A97D920719 for ; Wed, 30 Sep 2020 19:19:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730188AbgI3TT6 (ORCPT ); Wed, 30 Sep 2020 15:19:58 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:36684 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728031AbgI3TT5 (ORCPT ); Wed, 30 Sep 2020 15:19:57 -0400 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kNhds-00Gwtg-5v; Wed, 30 Sep 2020 21:19:56 +0200 Date: Wed, 30 Sep 2020 21:19:56 +0200 From: Andrew Lunn To: Peter Vollmer Cc: Network Development Subject: Re: dsa/mv88e6xxx: leaking packets on MV88E6341 switch Message-ID: <20200930191956.GV3996795@lunn.ch> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > What would be the best way to debug this ? Is there a way to dump the > ATU MAC tables to see what's going on with the address learning ? If you jump to net-next, and use https://github.com/lunn/mv88e6xxx_dump You can dump the full ATU from the switch. bridge fdb show can give you some idea what is going on, but it is less clear what is in the hardware and what is in software. Andrew