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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/dpll.c23
-rw-r--r--include/linux/mlx5/mlx5_ifc.h8
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dpll.c b/drivers/net/ethernet/mellanox/mlx5/core/dpll.c
index 07f43d5c90c6..4ad3d2d3d4c8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dpll.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dpll.c
@@ -41,6 +41,7 @@ struct mlx5_dpll_synce_status {
enum mlx5_msees_oper_status oper_status;
bool ho_acq;
bool oper_freq_measure;
+ enum mlx5_msees_failure_reason failure_reason;
s32 frequency_diff;
};
@@ -60,6 +61,7 @@ mlx5_dpll_synce_status_get(struct mlx5_core_dev *mdev,
synce_status->oper_status = MLX5_GET(msees_reg, out, oper_status);
synce_status->ho_acq = MLX5_GET(msees_reg, out, ho_acq);
synce_status->oper_freq_measure = MLX5_GET(msees_reg, out, oper_freq_measure);
+ synce_status->failure_reason = MLX5_GET(msees_reg, out, failure_reason);
synce_status->frequency_diff = MLX5_GET(msees_reg, out, frequency_diff);
return 0;
}
@@ -99,6 +101,26 @@ mlx5_dpll_lock_status_get(struct mlx5_dpll_synce_status *synce_status)
}
}
+static enum dpll_lock_status_error
+mlx5_dpll_lock_status_error_get(struct mlx5_dpll_synce_status *synce_status)
+{
+ switch (synce_status->oper_status) {
+ case MLX5_MSEES_OPER_STATUS_FAIL_HOLDOVER:
+ fallthrough;
+ case MLX5_MSEES_OPER_STATUS_FAIL_FREE_RUNNING:
+ switch (synce_status->failure_reason) {
+ case MLX5_MSEES_FAILURE_REASON_PORT_DOWN:
+ return DPLL_LOCK_STATUS_ERROR_MEDIA_DOWN;
+ case MLX5_MSEES_FAILURE_REASON_TOO_HIGH_FREQUENCY_DIFF:
+ return DPLL_LOCK_STATUS_ERROR_FRACTIONAL_FREQUENCY_OFFSET_TOO_HIGH;
+ default:
+ return DPLL_LOCK_STATUS_ERROR_UNDEFINED;
+ }
+ default:
+ return DPLL_LOCK_STATUS_ERROR_NONE;
+ }
+}
+
static enum dpll_pin_state
mlx5_dpll_pin_state_get(struct mlx5_dpll_synce_status *synce_status)
{
@@ -132,6 +154,7 @@ mlx5_dpll_device_lock_status_get(const struct dpll_device *dpll, void *priv,
if (err)
return err;
*status = mlx5_dpll_lock_status_get(&synce_status);
+ *status_error = mlx5_dpll_lock_status_error_get(&synce_status);
return 0;
}
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index c726f90ab752..6c44f107b8ba 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -12705,6 +12705,14 @@ enum mlx5_msees_oper_status {
MLX5_MSEES_OPER_STATUS_FAIL_FREE_RUNNING = 0x5,
};
+enum mlx5_msees_failure_reason {
+ MLX5_MSEES_FAILURE_REASON_UNDEFINED_ERROR = 0x0,
+ MLX5_MSEES_FAILURE_REASON_PORT_DOWN = 0x1,
+ MLX5_MSEES_FAILURE_REASON_TOO_HIGH_FREQUENCY_DIFF = 0x2,
+ MLX5_MSEES_FAILURE_REASON_NET_SYNCHRONIZER_DEVICE_ERROR = 0x3,
+ MLX5_MSEES_FAILURE_REASON_LACK_OF_RESOURCES = 0x4,
+};
+
struct mlx5_ifc_msees_reg_bits {
u8 reserved_at_0[0x8];
u8 local_port[0x8];