diff options
| author | Michal Swiatkowski <michal.swiatkowski@linux.intel.com> | 2024-12-03 07:58:15 +0100 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2025-02-05 09:04:57 -0800 |
| commit | 87181cd6985fbd591ba2b7b7c5ab9772c7cab689 (patch) | |
| tree | cef68c9d5b7d8f323cd3ffd26298277542588d93 | |
| parent | a8c2d3932c1106af2764cc6869b29bcf3cb5bc47 (diff) | |
ice: enable_rdma devlink param
Implement enable_rdma devlink parameter to allow user to turn RDMA
feature on and off.
It is useful when there is no enough interrupts and user doesn't need
RDMA feature.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Jan Sokolowski <jan.sokolowski@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/ice/devlink/devlink.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.c | 8 |
2 files changed, 28 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index 81de5fbc130e..504aaf4b8855 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -1576,6 +1576,19 @@ ice_devlink_msix_min_pf_validate(struct devlink *devlink, u32 id, return 0; } +static int ice_devlink_enable_rdma_validate(struct devlink *devlink, u32 id, + union devlink_param_value val, + struct netlink_ext_ack *extack) +{ + struct ice_pf *pf = devlink_priv(devlink); + bool new_state = val.vbool; + + if (new_state && !test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) + return -EOPNOTSUPP; + + return 0; +} + enum ice_param_id { ICE_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, ICE_DEVLINK_PARAM_ID_TX_SCHED_LAYERS, @@ -1591,6 +1604,8 @@ static const struct devlink_param ice_dvl_rdma_params[] = { ice_devlink_enable_iw_get, ice_devlink_enable_iw_set, ice_devlink_enable_iw_validate), + DEVLINK_PARAM_GENERIC(ENABLE_RDMA, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), + NULL, NULL, ice_devlink_enable_rdma_validate), }; static const struct devlink_param ice_dvl_msix_params[] = { @@ -1731,6 +1746,12 @@ int ice_devlink_register_params(struct ice_pf *pf) devl_param_driverinit_value_set(devlink, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, value); + + value.vbool = test_bit(ICE_FLAG_RDMA_ENA, pf->flags); + devl_param_driverinit_value_set(devlink, + DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, + value); + return 0; unregister_msix_params: diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 1827f1f20ce8..16c419809849 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -833,7 +833,13 @@ bool ice_is_safe_mode(struct ice_pf *pf) */ bool ice_is_rdma_ena(struct ice_pf *pf) { - return test_bit(ICE_FLAG_RDMA_ENA, pf->flags); + union devlink_param_value value; + int err; + + err = devl_param_driverinit_value_get(priv_to_devlink(pf), + DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, + &value); + return err ? test_bit(ICE_FLAG_RDMA_ENA, pf->flags) : value.vbool; } /** |