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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FCEDC433F5 for ; Mon, 8 Nov 2021 22:44:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E8004619A6 for ; Mon, 8 Nov 2021 22:44:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240763AbhKHWrF (ORCPT ); Mon, 8 Nov 2021 17:47:05 -0500 Received: from mail.kernel.org ([198.145.29.99]:35840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233784AbhKHWrF (ORCPT ); Mon, 8 Nov 2021 17:47:05 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BBE8B6134F; Mon, 8 Nov 2021 22:44:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636411460; bh=Cv6/NH7miMVkWzIxv+M+4e6cGqvbYoabkOSuh8B6w0k=; h=Date:From:To:Cc:Subject:From; b=Uqd0Xqs3NU6jRwhCBMOXfI+Ep9TukvF/ZI5cTYGsFQN2dUcy9ZUh/2UXplxpYNsiJ nv6za0sSN30v3XtXhgEhQugz4nllWoFWtppAdl7QfwMbNPL5DYOovdYchMqJtEslOI oxl0bVxHwBLh/gVBqpz5frEws/EmTbzZw/I+2R1zoP9i7zAf4p13W92xA3+Pwi65Fi aa+Sj/7VG7oge+x3e1XEKiXZMbtj2rm2xZoLrVTqeTvrJXvCHx0GnE29osWpv1WwDj DSyz73I7Bxwo7IUB/z9Ce9hw7S4d8wUu7hMCo/LdOgzgQHn0aOM68v9ic63N1lgD9z xygRmoKuPsR+g== Date: Mon, 8 Nov 2021 23:44:16 +0100 From: Marek =?UTF-8?B?QmVow7pu?= To: Andrew Lunn Cc: netdev@vger.kernel.org Subject: about "net: mvpp2: increase MTU limit when XDP enabled" Message-ID: <20211108234416.660a29b1@thinkpad> X-Mailer: Claws Mail 3.18.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello Andrew, I am writing regarding your suggestion on the patch I sent 6 months ago: https://www.mail-archive.com/netdev@vger.kernel.org/msg380830.html Sorry about the delay :-( I forgot about this patch. Anyway I don't think it can be done, at least not in a simple way. Would it be sufficient if I added the maximum MTU (MVPP2_MAX_RX_BUF_SIZE) to the first error message, in mvpp2_change_mtu()) ? + netdev_err(dev, "Illegal MTU value %d (> %d) for XDP mode\n", + mtu, (int)MVPP2_MAX_RX_BUF_SIZE); Thanks. Marek