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 C9145146A66; Wed, 12 Nov 2025 01:18:50 +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=1762910331; cv=none; b=u0NOcJ/5i1aJVpS5uPcSibiI62KUgrz3AU7UkbT1CEH5T2g+TvrNBMZzCzNRrPaSKW0q6hH8dm8NdMwZRcNFOMLbxXvquCXDk4DbqBTuSM61vn1Ofbn++CJ6/gDg/Ja3gQg1Gl24CgSJfPfMue3ImwkLmfemDj+AFyRRX1wBoIQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762910331; c=relaxed/simple; bh=97xU45qdEBpW2fivb5PGMD/llcOzvONkpb6RqID0mCE=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cgj73TtJgUrJJrKF6rCXlDnGhefWRfLLKJ6Dpr9+74GJe5Xo3tkI2SizkQ49gj7wMJRkgYihFDJeso/806uR+WnrNi59HMs4TnWmDTR+MrX8J9ZC3qqHu2U2MtXpC/zemO1nrlD3IO8p+oVL5zyemPyQslVEGQuEJ60O/MZRXpI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TLPc63+d; 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="TLPc63+d" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B678C4CEF5; Wed, 12 Nov 2025 01:18:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762910330; bh=97xU45qdEBpW2fivb5PGMD/llcOzvONkpb6RqID0mCE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=TLPc63+dMvlBPnRfG3N925Xo9BAPQn4nhuvICt7vX/ogkcFEEN5FSjfLzWsafcs3B GdGLo8ylkJMcxrzw6Z5FZjYEDnhTUV4BCC5ciI2Dg3rRy2pW1UTw+wzO58PyzHh5UD Yiib+/YdGwGcgVHWYD3oDSt9AESHDpAGpZV5Odn0t7wEK7GmXVhwxO3IQEcKKIvpmQ xFNI1jij7O84TF632Q+3tOuHvTo2QLvYzhtrsXvwRBzslAj3FMI/vvvORx8/g2xkIU woBXRh6PHna01qzjnYUi+jWSguds+VpSYdCzIKALeSux0JOr2HiFoNcBpvdASddpVL gt7o9OCHfd7KA== Date: Tue, 11 Nov 2025 17:18:48 -0800 From: Jakub Kicinski To: Roger Quadros Cc: Siddharth Vadapalli , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Sumit Semwal , Christian =?UTF-8?B?S8O2bmln?= , Stanislav Fomichev , Simon Horman , srk@ti.com, Meghana Malladi , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Subject: Re: [PATCH net-next v2 0/7] net: ethernet: ti: am65-cpsw: add AF_XDP zero copy support Message-ID: <20251111171848.1a4c8c03@kernel.org> In-Reply-To: <20251109-am65-cpsw-xdp-zc-v2-0-858f60a09d12@kernel.org> References: <20251109-am65-cpsw-xdp-zc-v2-0-858f60a09d12@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sun, 09 Nov 2025 23:37:50 +0200 Roger Quadros wrote: > This series adds AF_XDP zero coppy support to am65-cpsw driver. > > Tests were performed on AM62x-sk with xdpsock application [1]. > > A clear improvement is seen in 64 byte packets on Transmit (txonly) > and receive (rxdrop). > 1500 byte test seems to be limited by line rate (1G link) so no > improvement seen there in packet rate. A test on higher speed link > (or PHY-less setup) might be worthwile. > > There is some issue during l2fwd with 64 byte packets and benchmark > results show 0. This issue needs to be debugged further. > A 512 byte l2fwd test result has been added to compare instead. It appears that the drivers/net/ethernet/ti/am65-* files do not fall under any MAINTAINERS entry. Please add one or extend the existing CPSW entry as the first patch of the series.