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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76E98ECAAD3 for ; Mon, 19 Sep 2022 13:36:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230476AbiISNgH (ORCPT ); Mon, 19 Sep 2022 09:36:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229778AbiISNgF (ORCPT ); Mon, 19 Sep 2022 09:36:05 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 214CA11455; Mon, 19 Sep 2022 06:36:05 -0700 (PDT) From: Kurt Kanzenbach DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1663594563; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=AsQVsvTF/HOpeN38ebD/PN6GbT91o7JcgHzzjww8Q64=; b=iCs8dt2nxzdxfd+BMaLN0I2NfejhA/p8DKUzFS/qfdLXoGBurYOZOa23r6T6Xva08FxEjN gbhJBh1NF0csnmt27rHhFRwhTQexHZcL/3zcw/y5YBe2LyA+Ypwb6Dc+cE9q5NJSt+axFb AUcndXEWL/JBhXtjRRqv02D7PinW7Ltwb3IWgoMRNm1VndOSRuNrAXoagIFTDpt4OE8uVu v/BPCYgNEdidmHuTIc05q0sb3dllb7Z/SUIK9ru9Ypjry2iLinjpxMxVomTjZrbydM10WU FTjdEIZy9OB6zvVmBR35nnNUes+PVCSU1TsQ/GXP0Fs3J6/ncNw2K6torCA0qg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1663594563; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=AsQVsvTF/HOpeN38ebD/PN6GbT91o7JcgHzzjww8Q64=; b=FM1sJpHnraUmCrIiIOUI/AyC8mXrjNk7sPunFwHAN2lriWY5pOpKHtdjDtfpQ9ZXhnsLFG 4J4SSOYdcBn3/GBg== To: Vladimir Oltean Cc: "netdev@vger.kernel.org" , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Xiaoliang Yang , Rui Sousa , Claudiu Manoil , Alexandre Belloni , "UNGLinuxDriver@microchip.com" , Andrew Lunn , Vivien Didelot , Florian Fainelli , Michael Walle , Vinicius Costa Gomes , Maxim Kochetkov , Colin Foster , Richie Pearn , Vladimir Oltean , Jesse Brandeburg , Tony Nguyen , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Jamal Hadi Salim , Cong Wang , Jiri Pirko , Gerhard Engleder , Grygorii Strashko , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH net-next 08/13] net: dsa: hellcreek: deny tc-taprio changes to per-tc max SDU In-Reply-To: <20220915115925.zujsneox4jqzod2g@skbuf> References: <20220914153303.1792444-1-vladimir.oltean@nxp.com> <20220914153303.1792444-9-vladimir.oltean@nxp.com> <87a671bz8e.fsf@kurt> <20220914184051.2awuutgr4vm4tfgf@skbuf> <87r10dxiw5.fsf@kurt> <20220915115925.zujsneox4jqzod2g@skbuf> Date: Mon, 19 Sep 2022 15:36:01 +0200 Message-ID: <87bkrbzdtq.fsf@kurt> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu Sep 15 2022, Vladimir Oltean wrote: > On Thu, Sep 15, 2022 at 08:15:54AM +0200, Kurt Kanzenbach wrote: >> > So the maxSDU hardware register tracks exactly the L2 payload size, li= ke >> > the software variable does, or does it include the Ethernet header size >> > and/or FCS? >>=20 >> This is something I'm not sure about. I'll ask the HW engineer when he's >> back from vacation. > > You can also probably figure this out by limiting the max-sdu to a value > like 200 and seeing what frame sizes pass through. Oh, yes. I'll try that. Thanks, Kurt --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJHBAEBCgAxFiEEvLm/ssjDfdPf21mSwZPR8qpGc4IFAmMocEETHGt1cnRAbGlu dXRyb25peC5kZQAKCRDBk9HyqkZzgu+cEACHTcvU7q9lPx5uB5lstpykvqf3SJ// LHEb0vAGLP6y2etVFztxDEbuaaQKkhYsl6ZxNZhfAoKFKb9HnZ4XWEv/b4x68dOw mRR1hZBcZDt7ecNqxCKfwI+qB/Aza1V3h7j0g+kcHY7pfj0Hrj1hrKqmBHlBrBRG Mv2luJN+/4pvJ79ZfKuTkLDrAYShDGCxxWiw2RXHGGuZbDLeyb3eZsBUnCmEi7Pc +l265kLHuQ/ve1CVTlZlMSksAZcQeeJH6gHwdc3ZdVbamEQFaxBmf495JX6Q628N pkaRRp60MXpxUifVksTZKQsVYKMnvp+y8hEVUnh++1MMUWHlUVM2LqO+vQlb1BSZ AxKFsHhgokXipRFXnc5YMQ/DPhiF650CDakmLd73FPAaSVII2a0CEITPBdHF9Qjl OSeDvAstcfD2Pmz6Oq1AfUEcpyqyiegLVT0dQvUM/fmtYoADywbEAEH1uUTLE7qb je7pkUykjfeQ/UPJgScSr69rQIOTLYOxbX27ThpWmuP8sbd8SqJvExnaexy/H1mD TtLpaRJm0kXO1bfoRdxn/RUabQItsTm5zZnatL/OiHIcyDcb8wAT9WVA5r7Ndj8T aUjkIRclGQUDbGiiBGdpeEeFwGCl/Dd7JnukSxbJyd+PjWXbj5KZloteXXpZZig0 SPoChYb8zYia9g== =36wz -----END PGP SIGNATURE----- --=-=-=--