From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from stravinsky.debian.org (stravinsky.debian.org [82.195.75.108]) (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 DED831A9F87; Thu, 17 Sep 2026 08:45:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=82.195.75.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789634737; cv=none; b=DBaw2kvwazo/e6I9hQvj0caF2JN4jCS5Kw3IGFt4JrnT4sSs3W8AFvt52AZ8ljtOgBI1lN3Y+/ekbtYzY1AaU7XC+ewXbUxidyBlLVGuoA7SrfGG8JGPKSHqLw7DX9ulqp3gVwggCNC7LH+caKTfkGarnB/QLQggCa0gL5CYsAc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789634737; c=relaxed/simple; bh=/YxHcR7zN5gHYIpkoz2YiXe4KtW2XdGZpXTkpQiNz6g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PtJypO952SIkUQOZKZdD4CkzWi12S/aX5i2ogOR4tC+RMhBtHhDa6FbX9LWTqs737juUK3GCxtrnG/JmGAQU5hCORrlVDieFhMePTC88Rp7xpa9erLasnbKM/waV7bYIIJNWhHq0pc6rAadL+Xd++A7QVjVkOgebfpqOCXTu+Z8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=debian.org; spf=pass smtp.mailfrom=debian.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b=tEy+qVyH; arc=none smtp.client-ip=82.195.75.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=debian.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=debian.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b="tEy+qVyH" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.stravinsky; h=X-Debian-User:In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-ID:Content-Description; bh=/orWYEYjJ/XUN6vi4dr/RnNj0Upv0OXsBN+4WrpgRzw=; b=tEy+qVyHRddSlKGnFScqu6JlF1 tWmlmRkiQQRO7IAbfoh+ynN2dcrwMcoPE4+LU6zbUiE85Kr40dO52WuyyYLPbBLvSHtRsPjZAoE4b mdWnSmTn0qgUN7z3szeEQreXQMjHMFKnT4Q76cqAB9KIR8Ft8PeL9Di8YwcSwWoSzstL3JU9VvNd8 N1kz9nSUJhDjYNW2tj7Mi59B0ixSLsUgkCFsWt/Zm0EqXDDPlAUD5hV5p30e/Aj2mCIrjNGeEA2ay z6bI8Q6jXYcBWiK+/ZFQErkN2/OHSShNZ1oEgVOLFsPs3Qd7MHmadvGljtn2lbYVXQFW1C+X7VYJn HC3Y3tmA==; Received: from authenticated-user by stravinsky.debian.org with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1x77jw-005p3q-1V; Thu, 17 Sep 2026 08:45:08 +0000 Date: Thu, 17 Sep 2026 01:45:02 -0700 From: Breno Leitao To: =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= Cc: Alexander Duyck , Jakub Kicinski , kernel-team@meta.com, Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Shuah Khan , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Daniel Borkmann , "Mike Marciniszyn (Meta)" , Mohsin Bashir , Stanislav Fomichev , Bobby Eshleman , Dimitri Daskalakis , Weiming Shi , Maxime Chevallier , Jacob Keller , Tao Cui , Pavel Begunkov , David Wei Subject: Re: [PATCH net-next v3 5/5] selftests: drv-net: Request larger zcrx buffers Message-ID: References: <20260915182105.4162425-1-bjorn@kernel.org> <20260915182105.4162425-6-bjorn@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260915182105.4162425-6-bjorn@kernel.org> X-Debian-User: leitao On Tue, Sep 15, 2026 at 08:21:03PM +0200, Björn Töpel wrote: > The large-chunk test always requests two base pages. On interfaces with > a large MTU, that may not exceed two maximum-sized frames. > > Request a power-of-two buffer larger than twice the MTU. This makes the > existing rx_buf_len check and data-integrity traffic exercise the larger > layout. > > Signed-off-by: Björn Töpel Tested-by: Breno Leitao