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Mon, 13 Jan 2020 09:35:45 +0000 Received: from AM0PR05MB6707.eurprd05.prod.outlook.com ([fe80::95ff:bfb2:7f11:87b2]) by AM0PR05MB6707.eurprd05.prod.outlook.com ([fe80::95ff:bfb2:7f11:87b2%5]) with mapi id 15.20.2623.015; Mon, 13 Jan 2020 09:35:45 +0000 From: Raslan Darawsheh To: Slava Ovsiienko , "dev@dpdk.org" CC: Matan Azrad , Ori Kam , Ferruh Yigit Thread-Topic: [PATCH v2 0/4] net/mlx5: remove Tx descriptor reserved field usage Thread-Index: AQHVxtt2k36oFxsbekmON9WYeLk2WqfoW9EA Date: Mon, 13 Jan 2020 09:35:44 +0000 Message-ID: References: <1578500161-20156-1-git-send-email-viacheslavo@mellanox.com> <1578567380-26994-1-git-send-email-viacheslavo@mellanox.com> In-Reply-To: <1578567380-26994-1-git-send-email-viacheslavo@mellanox.com> 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-ht: Tenant x-ms-office365-filtering-correlation-id: c7680c73-7359-4cc9-fb56-08d7980bf6e5 x-ms-traffictypediagnostic: AM0PR05MB6242:|AM0PR05MB6242: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; 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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: c7680c73-7359-4cc9-fb56-08d7980bf6e5 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jan 2020 09:35:44.9757 (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: YntzeQ3UJ6ySxiIa3w/jRkZeGGSJfZHw/4tIb6NTnC9zr6WEcVTyZvlDose3ucYktaLloT2XPCxaFtzQWG2ojw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB6242 Subject: Re: [dpdk-dev] [PATCH v2 0/4] net/mlx5: remove Tx descriptor reserved field usage 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, This series will be removed from next-net-mlx, will apply V3 instead. Kindest regards, Raslan Darawsheh > -----Original Message----- > From: Viacheslav Ovsiienko > Sent: Thursday, January 9, 2020 12:56 PM > To: dev@dpdk.org > Cc: Matan Azrad ; Raslan Darawsheh > ; Ori Kam > Subject: [PATCH v2 0/4] net/mlx5: remove Tx descriptor reserved field usa= ge >=20 > The current Tx datapath implementation in mlx5 PMD uses the 16-bit > reserved field within transmit descriptor to store the indices of the elt= s array > keeping the mbuf pointers to be freed on transmit completion. On > completion PMD fetches the descriptor index, then fetches the elts array > index from reserved field and frees the mbufs. >=20 > The new ConnectX-6DX NIC might use this reserved descriptor field and > existing implementation might not work in intended way. > To resolve this issue the dedicated buffer is introduced to store indices= to > instead of descriptor field. >=20 > Signed-off-by: Viacheslav Ovsiienko >=20 > Viacheslav Ovsiienko (4): > net/mlx5: move Tx complete request routine > net/mlx5: update Tx error handling routine > net/mlx5: add free on completion queue > net/mlx5: engage free on completion queue >=20 > drivers/net/mlx5/mlx5_rxtx.c | 153 ++++++++++++++++++++----------------- > ------ > drivers/net/mlx5/mlx5_rxtx.h | 13 ++-- drivers/net/mlx5/mlx5_txq.c | = 19 > +++++- > 3 files changed, 94 insertions(+), 91 deletions(-) >=20 > -- > v1: > https://eur03.safelinks.protection.outlook.com/?url=3Dhttp%3A%2F%2Fpatch > es.dpdk.org%2Fcover%2F64293%2F&data=3D02%7C01%7Crasland%40mell > anox.com%7C56986b5d3d3c46f2725b08d794f297e6%7Ca652971c7d2e4d9ba6 > a4d149256f461b%7C0%7C0%7C637141641963098885&sdata=3DRP4VgjCQlp > oJc5J38aajK9Rr8twtJ4d%2FSVP2JxM5C98%3D&reserved=3D0 > v2: resolve minor compilation per patch issues >=20 > 1.8.3.1