From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0ECBE19007D; Thu, 19 Sep 2024 07:26:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726730796; cv=none; b=VunZiY7MhGhjPF8mAGpwTguZkXdkwviHnKQviXvJho9/XcBE95dbj1ksPfe440KlFyvHGbLPY3yNCYGVVazezIuDWsNkF3cl3+OX7XG/rCusz6wrBCspKUoAr10TH7JTMWmAZeUtEwSd52QbXrz8KmvmR1IV93ms4gigImyV0Yg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726730796; c=relaxed/simple; bh=V21h8ErhgIyZ+3DZeFKp38C5/7/mog8Po+sKP9DvGkY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mckpu2Xpl8ceB7rwKCzwdMP6oZAi2FBy16DNnK7BcBOLtHGB4iGCfVq1h7nlUJok15KBrIIzFYWbNHjdGhZdV/tXfYW14WDGWwKdWnEIQqHMS5AM6fnCaGV+ncZpYSYBizod0ND6Y7wj+vXy4tmztXRUqCJo1nijKb6HtiLE+JE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LIB56Q0B; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LIB56Q0B" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AA17C4CEC5; Thu, 19 Sep 2024 07:26:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726730795; bh=V21h8ErhgIyZ+3DZeFKp38C5/7/mog8Po+sKP9DvGkY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LIB56Q0BX3y0y3t//Q/NxeiIG6ZGhhd79Z0f+2MXKimPM+47I04XSJFBh/jTTeI7/ FS6QLapsQ/ra970FTCk/I6FV663gOtXRcmARNuz/rYqkCdJQukP8e+/ymcbuyivvim VjLMQOMfYFly+LOchQXNqP1z53ASYQUwsKZUI+TAtJcpp8t5rcDpF9l87+nCCDkBQV BCQobSQVCwc1/63c7RgHTGo/StGK05wONBu1Erdzq0WI0GBLz4D75W46OqOyvVOOxO 0NqtuNWfY6oK2sntxtHh+YsFVp0agClB8oWUkHBJ1SBDD+Rhe9Fja9jgupVpDaAqGe SSLvc7y9uZ+9g== Date: Thu, 19 Sep 2024 08:24:55 +0100 From: Simon Horman To: Paul Barker Cc: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Niklas =?utf-8?Q?S=C3=B6derlund?= , Andrew Lunn , Biju Das , Claudiu Beznea , Lad Prabhakar , Mitsuhiro Kimura , Geert Uytterhoeven , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [net PATCH v3 1/2] net: ravb: Fix maximum TX frame size for GbEth devices Message-ID: <20240919072455.GC1044577@kernel.org> References: <20240918081839.259-1-paul.barker.ct@bp.renesas.com> <20240918081839.259-2-paul.barker.ct@bp.renesas.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240918081839.259-2-paul.barker.ct@bp.renesas.com> On Wed, Sep 18, 2024 at 09:18:38AM +0100, Paul Barker wrote: > The datasheets for all SoCs using the GbEth IP specify a maximum > transmission frame size of 1.5 kByte. I've confirmed through internal > discussions that support for 1522 byte frames has been validated, which > allows us to support the default MTU of 1500 bytes after reserving space > for the Ethernet header, frame checksums and an optional VLAN tag. > > Fixes: 2e95e08ac009 ("ravb: Add rx_max_buf_size to struct ravb_hw_info") > Reviewed-by: Niklas Söderlund > Reviewed-by: Sergey Shtylyov > Signed-off-by: Paul Barker Reviewed-by: Simon Horman