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Sun, 20 Oct 2019 10:07:55 +0000 Received: from DB3PR0502MB3964.eurprd05.prod.outlook.com ([fe80::1528:69ed:ffec:764b]) by DB3PR0502MB3964.eurprd05.prod.outlook.com ([fe80::1528:69ed:ffec:764b%5]) with mapi id 15.20.2347.028; Sun, 20 Oct 2019 10:07:55 +0000 From: Raslan Darawsheh To: Moti Haimovsky , Slava Ovsiienko CC: "dev@dpdk.org" Thread-Topic: [PATCH v2] net/mlx5: retry when link update fails Thread-Index: AQHVg/QZYfFv0Zh1E0mgDq9P+EXCUadjVF5g Date: Sun, 20 Oct 2019 10:07:55 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=rasland@mellanox.com; x-originating-ip: [212.29.221.74] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 060ee963-fa6f-4d41-6737-08d75545608c x-ms-office365-filtering-ht: Tenant x-ms-traffictypediagnostic: DB3PR0502MB4074:|DB3PR0502MB4074: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1284; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 060ee963-fa6f-4d41-6737-08d75545608c X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Oct 2019 10:07:55.6593 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: KBvjdtCv3i2Spo0zQs4LlEEv28xow6Mm37joi3i01jjCHb21nhtAYRJEf1fDfvYg4mabWOb4gjVA2tGdM7QLXQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0502MB4074 Subject: Re: [dpdk-dev] [PATCH v2] net/mlx5: retry when link update fails X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi, > -----Original Message----- > From: Moti Haimovsky > Sent: Wednesday, October 16, 2019 10:34 AM > To: Slava Ovsiienko ; Raslan Darawsheh > > Cc: dev@dpdk.org > Subject: [PATCH v2] net/mlx5: retry when link update fails >=20 > mlx5_link_update immediately returns when called with no-wait parameter > and its call for retrieving the link status returns with EAGAIN error. > This is too harsh on busy systems where a first call fails with EAGAIN fr= om > time to time. > This patch adds a (very limited) retry on such cases in order to allow > retrieving the link status. >=20 > Signed-off-by: Moti Haimovsky > --- > V2: > * Code rebase Patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh