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Fri, 24 Sep 2021 17:47:22 +0000 From: Akhil Goyal To: Tal Shnaiderman , "dev@dpdk.org" CC: "thomas@monjalon.net" , "matan@nvidia.com" , "rasland@nvidia.com" , "asafp@nvidia.com" , "suanmingm@nvidia.com" , "stable@dpdk.org" Thread-Topic: [EXT] [dpdk-dev] [PATCH] crypto/mlx5: fix crypto QP indexing Thread-Index: AQHXqKhCLKo1g1zQxku61wmWoZHYbquzhwkA Date: Fri, 24 Sep 2021 17:47:22 +0000 Message-ID: References: <20210913140224.18788-1-talshn@nvidia.com> In-Reply-To: <20210913140224.18788-1-talshn@nvidia.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f522f325-85c5-4562-30ac-08d97f835cb0 x-ms-traffictypediagnostic: CO6PR18MB4418: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5797; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: marvell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO6PR18MB4484.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f522f325-85c5-4562-30ac-08d97f835cb0 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Sep 2021 17:47:22.0954 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: +2M9ltBzpjpw25uL+uZj51qPZhNoK652JeS0qWnYmRn5dYJkNs/LVAsPy5S4M/xzQWaGG5Owq0joQaTZHsPbBw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO6PR18MB4418 X-Proofpoint-GUID: LPkcqTA94JleIwSw-J7bgl_yj17-9F_5 X-Proofpoint-ORIG-GUID: LPkcqTA94JleIwSw-J7bgl_yj17-9F_5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-24_05,2021-09-24_02,2020-04-07_01 Subject: Re: [dpdk-stable] [EXT] [dpdk-dev] [PATCH] crypto/mlx5: fix crypto QP indexing X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 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" > The crypto QP consumer (ci) and producer (pi) indexes are increased > with each successful enqueue/dequeue operations. >=20 > However the QP pi index is calculated with a wraparound the number > of elements while the QP ci does not. >=20 > This is causing incorrect engine calculation for encqueued WQ values > (wq->pi - wq->ci) and eventually the device stops accepting new enqueue > operations. >=20 > Fixed by removing the wraparound on QP pi and using a temp calculation > where wraparound values are needed. >=20 > Fixes: 8e196c08ab53 ("crypto/mlx5: support enqueue/dequeue operations") > Cc: stable@dpdk.org >=20 > Signed-off-by: Tal Shnaiderman > Acked-by: Matan Azrad Applied to dpdk-next-crypto