From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: [PATCH 00/13] net/sfc: fix device reconfigure Date: Fri, 31 Mar 2017 16:31:43 +0100 Message-ID: <4219af0c-aec0-c1fa-9cba-cae62c0e52eb@intel.com> References: <1490955743-9868-1-git-send-email-arybchenko@solarflare.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit To: Andrew Rybchenko , dev@dpdk.org Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id D4BCC2BA4 for ; Fri, 31 Mar 2017 17:31:46 +0200 (CEST) In-Reply-To: <1490955743-9868-1-git-send-email-arybchenko@solarflare.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 3/31/2017 11:22 AM, Andrew Rybchenko wrote: > When I implemented initial version of the driver I had incorrect > understanding of the required state transition to reconfigure > device. It was assumed that close is required before reconfigure. > Looking at description in rte_ethdev.h, rte_eth_dev_close() > description and rte_eth_dev_configure() implementation I see that > I was wrong. > > If reconfigure attempt is done without the patch series, testpmd > crashes on segmentation fault. The patch series fixes it. So, > technically it is a bug fix, but unfortunately pretty big. > > The patch series should be applied after [1] (patch [2]). > > Testing the patch requires [3] (patch [4]). Intel compilation of > the patch fails since it is applied to dpdk.git tree instead of > dpdk-next-net.git. > > [1] http://dpdk.org/ml/archives/dev/2017-March/062155.html > [2] http://dpdk.org/dev/patchwork/patch/22758/ > [3] http://dpdk.org/ml/archives/dev/2017-March/062157.html > [4] http://dpdk.org/dev/patchwork/patch/22756/ > > Andrew Rybchenko (13): > net/sfc: clarify interrupts support function names > net/sfc: bind EvQ DMA space to EvQ type and type-local index > net/sfc: remove unused max entries from EvQ info > net/sfc: move EvQ entries to the EvQ control structure > net/sfc: remove flags from EvQ info > net/sfc: remove EvQ info array to simplify reconfigure > net/sfc: move event support init to attach stage > net/sfc: initialize port data on attach > net/sfc: clarify Rx subsystem configure/close function names > net/sfc: clarify Tx subsystem configure/close function names > net/sfc: support changing the number of receive queues > net/sfc: support changing the number of transmit queues > net/sfc: fix device reconfigure Series applied to dpdk-next-net/master, thanks.