From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 67ED2A051A for ; Fri, 17 Jan 2020 15:34:25 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 43801235; Fri, 17 Jan 2020 15:34:25 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 4E73C235; Fri, 17 Jan 2020 15:34:22 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Jan 2020 06:34:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,330,1574150400"; d="scan'208";a="274388198" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.35]) ([10.237.221.35]) by FMSMGA003.fm.intel.com with ESMTP; 17 Jan 2020 06:34:19 -0800 From: Ferruh Yigit To: "Wei Hu (Xavier)" , dev@dpdk.org Cc: stable@dpdk.org, arybchenko@solarflare.com, thomas@monjalon.net References: <20200117114914.4937-1-huwei013@chinasoftinc.com> <7ca8acf4-05d4-f0e8-4021-043261307b6c@intel.com> Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v3] ethdev: fix VLAN offloads set if no driver callback X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On 1/17/2020 2:31 PM, Ferruh Yigit wrote: > On 1/17/2020 11:49 AM, Wei Hu (Xavier) wrote: >> From: "Wei Hu (Xavier)" >> >> Currently, there is a potential problem that changing the content of >> dev->data->dev_conf.rxmode.offloads even when there is no vlan_offload_set >> driver callback. >> >> It is a good idea that prevent the side effect and make the API return >> success if no change requested. This patch fixes the problem, the detail >> information as below: >> - keep possibility to do dummy set even if there is no driver callback >> - do not touch Rx mode offloads in device data before checking the driver >> callback availability >> - ensure that Rx mode offloads are rolled back correctly if driver >> callback returns error >> >> Fixes: dfebfc9882fb ("ethdev: support dynamic configuration of QinQ strip") > > I think the problem (API modifying the device config even 'vlan_offload_set' > dev_ops is not implemented) exists from the beginning. > > Fixes: 81f9db8ecc2c ("ethdev: add vlan offload support") > > >> Cc: stable@dpdk.org >> >> Signed-off-by: Wei Hu (Xavier) >> Signed-off-by: Chunsong Feng >> Signed-off-by: Min Wang (Jushui) >> Signed-off-by: Min Hu (Connor) >> Reviewed-by: Andrew Rybchenko Applied to dpdk-next-net/master, thanks.