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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB3753.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 16ab6d08-5632-455b-11e0-08db876f1580 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Jul 2023 09:12:17.4829 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: lbPlIAttNbazsIx7bZVgQEprwMmwqROuye/54ZziPaJy+iff5eovW+S0moBP57uiyHULRIsYe++CEuxW/ELrjw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB7960 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 > -----Original Message----- > From: Alexander Kozyrev > Sent: Wednesday, May 31, 2023 10:00 PM > To: dev@dpdk.org > Cc: stable@dpdk.org; Raslan Darawsheh ; Slava > Ovsiienko ; Matan Azrad ; > Michael Baum > Subject: [PATCH v2] net/mlx5: fix MPRQ stride size to accommodate the > headroom >=20 > The space for the headroom is reserved at the end of every MPRQ stride fo= r > the next packet. The Rx burst logic is to copy any overlapping packet dat= a if > there is an overlap with this reserved headroom space. > But it is not possible if the headroom size is bigger than the whole stri= de. > Adjust the stride size to make sure the stride size is greater than the > headroom size. >=20 > Fixes: 34776af600df ("net/mlx5: fix MPRQ stride devargs adjustment") >=20 > Signed-off-by: Alexander Kozyrev Acked-by: Viacheslav Ovsiienko