1.. SPDX-License-Identifier: GPL-2.0 2 3==================== 4mlx5 devlink support 5==================== 6 7This document describes the devlink features implemented by the ``mlx5`` 8device driver. 9 10Parameters 11========== 12 13.. list-table:: Generic parameters implemented 14 15 * - Name 16 - Mode 17 * - ``enable_roce`` 18 - driverinit 19 20The ``mlx5`` driver also implements the following driver-specific 21parameters. 22 23.. list-table:: Driver-specific parameters implemented 24 :widths: 5 5 5 85 25 26 * - Name 27 - Type 28 - Mode 29 - Description 30 * - ``flow_steering_mode`` 31 - string 32 - runtime 33 - Controls the flow steering mode of the driver 34 35 * ``dmfs`` Device managed flow steering. In DMFS mode, the HW 36 steering entities are created and managed through firmware. 37 * ``smfs`` Software managed flow steering. In SMFS mode, the HW 38 steering entities are created and manage through the driver without 39 firmware intervention. 40 * - ``fdb_large_groups`` 41 - u32 42 - driverinit 43 - Control the number of large groups (size > 1) in the FDB table. 44 45 * The default value is 15, and the range is between 1 and 1024. 46 47The ``mlx5`` driver supports reloading via ``DEVLINK_CMD_RELOAD`` 48 49Info versions 50============= 51 52The ``mlx5`` driver reports the following versions 53 54.. list-table:: devlink info versions implemented 55 :widths: 5 5 90 56 57 * - Name 58 - Type 59 - Description 60 * - ``fw.psid`` 61 - fixed 62 - Used to represent the board id of the device. 63 * - ``fw.version`` 64 - stored, running 65 - Three digit major.minor.subminor firmware version number. 66