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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: BYAPR12MB3078.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5aa5047c-bed7-4ce3-8cdd-08d9eba9a7d8 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Feb 2022 08:53:34.6060 (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: IwYTJy+RV6PoIDDjj4ZRhdoGFWnizs7B56MpUfioAV+EotH6qkZ/WsdvSoUiclV90uZYjCtWEP4mxsk6iSbopA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1821 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 Hi, > -----Original Message----- > From: Alexander Kozyrev > Sent: Monday, February 7, 2022 3:29 PM > To: dev@dpdk.org > Cc: stable@dpdk.org; Raslan Darawsheh ; Slava > Ovsiienko ; Matan Azrad ; > Suanming Mou > Subject: [PATCH] net/mlx5: fix Committed Bucket Size calculation >=20 > Committed Bucket Size calculation tries to fit into 8-bit wide > mantissa field by setting 256 as a maximum value for it. > To compensate for this increase in the mantissa value the exponent > value has to be reduced by 8. But it gives a negative exponent > value for CBS less than 128. And negative exponent value is not > supported by the NIC. Adjust CSB calculation only for values > bigger than 128 to allow both small and big bucket sizes. >=20 > Fixes: 3bd26b23cef ("net/mlx5: support meter profile operations") > Cc: stable@dpdk.org >=20 > Signed-off-by: Alexander Kozyrev > Acked-by: Viacheslav Ovsiienko Patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh