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 7329E23C9; Mon, 26 Aug 2024 01:48:43 +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=1724636925; cv=none; b=GxBdIHEYttr5QdyMzvsbeSaNfrq9mRL+TdKYyWXwgXP+Xd1Ck1UEBUHichiXS4Ooa9LZO8itawEizgAopKuxpYEDqdETZe30Rlx0b9Z23nD51Nx7jr49I9sJXKAmzCM4SCzvpQTANN5+759t727BnSdo0J3sgInDRjbYohRUTgw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724636925; c=relaxed/simple; bh=IFpIjq7M4Q8HeW5xUDg2Mnv7OtXsD56oTLv+w/F+s04=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=A6HTE0yQAfT2s49PRL1T/zVV1j1qABJ8Tlaz2nkFnmPBmyodEo5yHrlY7x2FS/KOHHn6aTpYr9x4DlghxvX2kz55y8MJAIo0RJKEL5+y/0vHEShh9h2bWFf1uJuWWPsc1IY01/JFcw/I0jCw7ANDSYWUqTJI7ImBexC0Qeykb3M= 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=mXdr6Rlm; 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="mXdr6Rlm" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Transfer-Encoding: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=iv6ZEUuPPqeOj8zp4uUVvcR1G/kNOJR6TPjSTE0A0Eg=; b=mX dr6RlmAgSezIxhXPY1aayBO0uRGpArjLeF6sACQPASjHPD8v4kQLI3PbIlXtOJ3fSBSAwgDAtApa/ 0yHr8iHZI/XuKlK65/scrLyh4ksw8AUNjt8kwIqQBquFqJfoQbxl5pxZgTee+j6mP2LB3lKEF5cht 2NPQFr6ggugHuw4=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1siOqK-005fFg-NM; Mon, 26 Aug 2024 03:48:28 +0200 Date: Mon, 26 Aug 2024 03:48:28 +0200 From: Andrew Lunn To: Carlos Bilbao Cc: eli@mellanox.com, mst@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, dtatulea@nvidia.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, eperezma@redhat.com, sashal@kernel.org, yuehaibing@huawei.com, steven.sistare@oracle.com Subject: Re: [RFC] Why is set_config not supported in mlx5_vnet? Message-ID: References: <33feec1a-2c5d-46eb-8d66-baa802130d7f@digitalocean.com> 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: <33feec1a-2c5d-46eb-8d66-baa802130d7f@digitalocean.com> On Fri, Aug 23, 2024 at 11:54:13AM -0500, Carlos Bilbao wrote: > Hello, > > I'm debugging my vDPA setup, and when using ioctl to retrieve the > configuration, I noticed that it's running in half duplex mode: > > Configuration data (24 bytes): >   MAC address: (Mac address) >   Status: 0x0001 >   Max virtqueue pairs: 8 >   MTU: 1500 >   Speed: 0 Mb >   Duplex: Half Duplex If the speed is 0, does duplex even matter? Andrew