Messages in this thread | | | From | Moshe Shemesh <> | Subject | [PATCH net-next 00/10] Add configuration parameters support | Date | Wed, 4 Jul 2018 14:30:27 +0300 |
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Add configuration parameters setting through devlink. Each device registers supported configuration parameters table. Each parameter can be either generic or driver specific. The user can retrieve data on these parameters by "devlink param show" command and can set new value to a parameter by "devlink param set" command. The parameters can be set in different configuration modes: runtime - set while driver is running, no reset required. driverinit - applied while driver initializes, requires restart driver by devlink reload command. permanent - written to device's non-volatile memory, hard reset required.
The patches at the end of the patchset introduce few params that are using the introduced infrastructure on mlx4 and bnxt.
Command examples and output:
# devlink dev param show pci/0000:81:00.0: name internal_error_reset type generic values: cmode runtime value true cmode driverinit value true name max_macs type generic values: cmode driverinit value 128 name enable_64b_cqe_eqe type driver-specific values: cmode driverinit value true name enable_4k_uar type driver-specific values: cmode driverinit value false
# devlink dev param set pci/0000:81:00.0 name internal_error_reset cmode runtime value false
# devlink dev param show pci/0000:81:00.0 name internal_error_reset pci/0000:81:00.0: name internal_error_reset type generic values: cmode runtime value false cmode driverinit value true
Moshe Shemesh (8): devlink: Add devlink_param register and unregister devlink: Add param get command devlink: Add param set command devlink: Add support for get/set driverinit value devlink: Add devlink notifications support for params devlink: Add generic parameters internal_err_reset and max_macs mlx4: Add mlx4 initial parameters table and register it mlx4: Add support for devlink reload and load driverinit values
Vasundhara Volam (2): devlink: Add enable_sriov boolean generic parameter bnxt_en: Add bnxt_en initial params table and register it.
drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 121 +++- drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h | 15 + drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h | 13 + drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c | 9 +- drivers/net/ethernet/mellanox/mlx4/catas.c | 2 +- drivers/net/ethernet/mellanox/mlx4/main.c | 161 +++++- drivers/net/ethernet/mellanox/mlx4/mlx4.h | 3 +- include/net/devlink.h | 149 +++++ include/uapi/linux/devlink.h | 24 + net/core/devlink.c | 675 ++++++++++++++++++++++ 10 files changed, 1156 insertions(+), 16 deletions(-)
-- 1.8.3.1
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