From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jay Rolette Subject: Re: BUG - KNI broken in 4.2 kernel Date: Thu, 27 Aug 2015 10:49:24 -0500 Message-ID: References: <20150826171516.7160bcb2@urahara> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: "dev@dpdk.org" To: "Zhang, Helin" Return-path: Received: from mail-yk0-f177.google.com (mail-yk0-f177.google.com [209.85.160.177]) by dpdk.org (Postfix) with ESMTP id 5C521591A for ; Thu, 27 Aug 2015 17:49:25 +0200 (CEST) Received: by ykbi184 with SMTP id i184so24216431ykb.2 for ; Thu, 27 Aug 2015 08:49:24 -0700 (PDT) In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Thu, Aug 27, 2015 at 10:23 AM, Zhang, Helin wrote: > > > > -----Original Message----- > > From: Stephen Hemminger [mailto:stephen@networkplumber.org] > > Sent: Wednesday, August 26, 2015 5:15 PM > > To: dev@dpdk.org; Zhang, Helin > > Subject: BUG - KNI broken in 4.2 kernel > > > > The network device ops handles changed again. > > > > Does KNI really need to keep yet another copy of the Intel driver code. > Yes, it is a bit ugly. But there is no better way till now, as some of > users want to have the functionality of KNI ethtool though limited now. > I have an idea that is to disable KNI ethtool support by default, as most > of users may not care about it. Then these users will not be bothered by > these type of issues. > Do you know of anyone that uses KNI that doesn't care about it? Since KNI presents as a normal network interface, it really needs to support the normal Linux commands (ifconfig, ethtool, ...) Jay > For those users who are using KNI ethtool support, they need to fix the > issues on any new versions of kernel or similar. > Any good ideas or comments? > > Helin > > > There already are 4 versions: > > 1. Out-of tree base driver > > 2. In-kernel mainline Linux driver > > 3. DPDK driver > > 4. KNI DPDK driver > > > > No wonder they can't stay in sync. >