1*4882a593Smuzhiyun.. SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun==================== 4*4882a593Smuzhiyunmlx5 devlink support 5*4882a593Smuzhiyun==================== 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunThis document describes the devlink features implemented by the ``mlx5`` 8*4882a593Smuzhiyundevice driver. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunParameters 11*4882a593Smuzhiyun========== 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun.. list-table:: Generic parameters implemented 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun * - Name 16*4882a593Smuzhiyun - Mode 17*4882a593Smuzhiyun * - ``enable_roce`` 18*4882a593Smuzhiyun - driverinit 19*4882a593Smuzhiyun 20*4882a593SmuzhiyunThe ``mlx5`` driver also implements the following driver-specific 21*4882a593Smuzhiyunparameters. 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun.. list-table:: Driver-specific parameters implemented 24*4882a593Smuzhiyun :widths: 5 5 5 85 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun * - Name 27*4882a593Smuzhiyun - Type 28*4882a593Smuzhiyun - Mode 29*4882a593Smuzhiyun - Description 30*4882a593Smuzhiyun * - ``flow_steering_mode`` 31*4882a593Smuzhiyun - string 32*4882a593Smuzhiyun - runtime 33*4882a593Smuzhiyun - Controls the flow steering mode of the driver 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun * ``dmfs`` Device managed flow steering. In DMFS mode, the HW 36*4882a593Smuzhiyun steering entities are created and managed through firmware. 37*4882a593Smuzhiyun * ``smfs`` Software managed flow steering. In SMFS mode, the HW 38*4882a593Smuzhiyun steering entities are created and manage through the driver without 39*4882a593Smuzhiyun firmware intervention. 40*4882a593Smuzhiyun * - ``fdb_large_groups`` 41*4882a593Smuzhiyun - u32 42*4882a593Smuzhiyun - driverinit 43*4882a593Smuzhiyun - Control the number of large groups (size > 1) in the FDB table. 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun * The default value is 15, and the range is between 1 and 1024. 46*4882a593Smuzhiyun 47*4882a593SmuzhiyunThe ``mlx5`` driver supports reloading via ``DEVLINK_CMD_RELOAD`` 48*4882a593Smuzhiyun 49*4882a593SmuzhiyunInfo versions 50*4882a593Smuzhiyun============= 51*4882a593Smuzhiyun 52*4882a593SmuzhiyunThe ``mlx5`` driver reports the following versions 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun.. list-table:: devlink info versions implemented 55*4882a593Smuzhiyun :widths: 5 5 90 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun * - Name 58*4882a593Smuzhiyun - Type 59*4882a593Smuzhiyun - Description 60*4882a593Smuzhiyun * - ``fw.psid`` 61*4882a593Smuzhiyun - fixed 62*4882a593Smuzhiyun - Used to represent the board id of the device. 63*4882a593Smuzhiyun * - ``fw.version`` 64*4882a593Smuzhiyun - stored, running 65*4882a593Smuzhiyun - Three digit major.minor.subminor firmware version number. 66