From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (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 0E1553D556; Mon, 22 Apr 2024 23:23:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713828198; cv=none; b=X0Yj3rtnUwxCsriP1QXLgmC7FuJispgFDYFt93PAXcNiIKcoYDvClqfXGVYQ9MWO7RJmO9/OYwmhP/PEFS3hH3pKDUnTBEg0FNT2LXJAssLCBJT3pEeY3eJLTXrA1m3DuRus1721buljkuZ1eOR/K9UE861OsL7LeFocspIf+HA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713828198; c=relaxed/simple; bh=tGAT0/KqXPZ7vFH5lIixRoGblBIPTLyL1oM6f4j2m8Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Pc3QJ1MVfxYxmIZmIRYigLhV2gG0+SkmCjf5hI9h3GpWLOzdzEBGpDBIvDSBS6DBSxgvaXULgjvoaS7tkAE8l6kSeVWvTyNiKG8Szok4DrOlKrThwEZhrsKyGxT1Mj3NhT1g8cfICBxTA5BcT/YOVkInIUFk98DCeGqY+pdYpuE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=m7MwPPQ8; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="m7MwPPQ8" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=w34AumCooKNrepQz/ik6t7UXw9d+51JDT8B8iDo0sjE=; b=m7MwPPQ8WIdS0lTbrJdaFt9Qyn voDDkEXLUa8uQwIeHR7B3sSC6U3+FOHni4V5XfS/x9ynl40WeWnAX93xU6bhH6E7xhae1XQ5e4TTn T2125yHuHHdHOjNu/+YEqc60mZrQpdrcbjn9iWrBaKXEiO9qWLrEZ/Nb1Iz1MoXpl0Zw=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1rz301-00Desf-Dp; Tue, 23 Apr 2024 01:23:01 +0200 Date: Tue, 23 Apr 2024 01:23:01 +0200 From: Andrew Lunn To: Parthiban Veerasooran Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, saeedm@nvidia.com, anthony.l.nguyen@intel.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, corbet@lwn.net, linux-doc@vger.kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, devicetree@vger.kernel.org, horatiu.vultur@microchip.com, ruanjinjie@huawei.com, steen.hegelund@microchip.com, vladimir.oltean@nxp.com, UNGLinuxDriver@microchip.com, Thorsten.Kummermehr@microchip.com, Pier.Beruto@onsemi.com, Selvamani.Rajagopal@onsemi.com, Nicolas.Ferre@microchip.com, benjamin.bigler@bernformulastudent.ch Subject: Re: [PATCH net-next v4 00/12] Add support for OPEN Alliance 10BASE-T1x MACPHY Serial Interface Message-ID: <32160a96-c031-4e5a-bf32-fd5d4dee727e@lunn.ch> References: <20240418125648.372526-1-Parthiban.Veerasooran@microchip.com> <5f73edc0-1a25-4d03-be21-5b1aa9e933b2@lunn.ch> 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=us-ascii Content-Disposition: inline In-Reply-To: <5f73edc0-1a25-4d03-be21-5b1aa9e933b2@lunn.ch> On Mon, Apr 22, 2024 at 10:08:23PM +0200, Andrew Lunn wrote: > > Testing Details: > > ---------------- > > The driver performance was tested using iperf3 in the below two setups > > separately. > > > > Setup 1: > > -------- > > Node 0 - Raspberry Pi 4 with LAN8650 MAC-PHY > > Node 1 - Raspberry Pi 4 with EVB-LAN8670-USB USB Stick > > > > Setup 2: > > -------- > > Node 0 - SAMA7G54-EK with LAN8650 MAC-PHY > > Node 1 - Raspberry Pi 4 with EVB-LAN8670-USB USB Stick > > Would it be possible to chain these two setups together by adding two > USB dongles to one of the Ri 4s? If i remember correctly, there were > reports of issues when two devices were using the framework at once. Sorry, that makes no sense. Your USB device is unlikely to be doing USB->SPI->MAC-PHY. Do you have two LAN8650 MAC-PHY you can connect to one host? Andrew