From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <qi.z.zhang@intel.com>
Received: from mga09.intel.com (mga09.intel.com [134.134.136.24])
by dpdk.org (Postfix) with ESMTP id B6D3C44C3;
Wed, 30 May 2018 10:48:38 +0200 (CEST)
X-Amp-Result: SKIPPED(no attachment in message)
X-Amp-File-Uploaded: False
Received: from fmsmga006.fm.intel.com ([10.253.24.20])
by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;
30 May 2018 01:48:37 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.49,459,1520924400"; d="scan'208";a="233090087"
Received: from fmsmsx108.amr.corp.intel.com ([10.18.124.206])
by fmsmga006.fm.intel.com with ESMTP; 30 May 2018 01:48:37 -0700
Received: from fmsmsx111.amr.corp.intel.com (10.18.116.5) by
FMSMSX108.amr.corp.intel.com (10.18.124.206) with Microsoft SMTP Server (TLS)
id 14.3.319.2; Wed, 30 May 2018 01:48:36 -0700
Received: from shsmsx104.ccr.corp.intel.com (10.239.4.70) by
fmsmsx111.amr.corp.intel.com (10.18.116.5) with Microsoft SMTP Server (TLS)
id 14.3.319.2; Wed, 30 May 2018 01:48:35 -0700
Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.51]) by
SHSMSX104.ccr.corp.intel.com ([169.254.5.87]) with mapi id 14.03.0319.002;
Wed, 30 May 2018 16:47:52 +0800
From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Zhang, Roy Fan" <roy.fan.zhang@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "Zhang, Helin" <helin.zhang@intel.com>, "stable@dpdk.org" <stable@dpdk.org>
Thread-Topic: [PATCH v3] net/i40e: fix link status update
Thread-Index: AQHT9/HkeLJhmpHWo0+94412o++p2KRH9YCQ
Date: Wed, 30 May 2018 08:47:52 +0000
Message-ID: <039ED4275CED7440929022BC67E706115322ECE6@SHSMSX103.ccr.corp.intel.com>
References: <20180530082634.33843-1-roy.fan.zhang@intel.com>
<20180530083047.33991-1-roy.fan.zhang@intel.com>
In-Reply-To: <20180530083047.33991-1-roy.fan.zhang@intel.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiODJmMWQwYTEtNDNkZC00Yjc5LTkyYzEtMWY2ZTMzMmQxNWM5IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiR0FnUkJCNEdnMlhFT2Nva1U1U0pNZVpHTWtIektMaVdaVEtkd3hRWTFGQjRaK2FJRUpuN2RsdWxcLzJIYlwvc2JjIn0=
x-ctpclassification: CTP_NT
dlp-product: dlpe-windows
dlp-version: 11.0.200.100
dlp-reaction: no-action
x-originating-ip: [10.239.127.40]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Subject: Re: [dpdk-dev] [PATCH v3] net/i40e: fix link status update
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://dpdk.org/ml/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://dpdk.org/ml/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Wed, 30 May 2018 08:48:39 -0000
> -----Original Message-----
> From: Zhang, Roy Fan
> Sent: Wednesday, May 30, 2018 4:31 PM
> To: dev@dpdk.org
> Cc: Zhang, Helin <helin.zhang@intel.com>; Zhang, Roy Fan
> <roy.fan.zhang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>;
> stable@dpdk.org
> Subject: [PATCH v3] net/i40e: fix link status update
>=20
> This patch fixes link status update problem in interrupt mode.
> Previously, directly reading link status register instead of accessing vi=
a admin
> queue command may cause the link status change interrupt callback inactiv=
e.
> This patch fixes the problem by making the driver only read the register =
in
> "no wait" and polling mode.
>=20
> Bugzilla ID: 54
> Fixes: eef2daf2e199 ("net/i40e: fix link update no wait")
> Cc: stable@dpdk.org
>=20
> Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>