From: Karol Kolacinski <karol.kolacin...@intel.com>
Enable CGU error reporting for SyncE and TimeSync issues. Process TimeSync loss
of lock event by trying to acquire lock with the default config.
Signed-off-by: Karol Kolacinski <karol.kolacin...@intel.com>
Signed-off-by: Ian Stokes <ian.sto...@intel.com>
---
drivers/net/ice/base/ice_ptp_hw.c | 49 ++++++++++++++++++++++++++++++-
1 file changed, 48 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ice/base/ice_ptp_hw.c
b/drivers/net/ice/base/ice_ptp_hw.c
index 6929d72ccb..bf3c32ae64 100644
--- a/drivers/net/ice/base/ice_ptp_hw.c
+++ b/drivers/net/ice/base/ice_ptp_hw.c
@@ -787,7 +787,49 @@ static int ice_init_cgu_e82x(struct ice_hw *hw)
}
/**
- * @ice_ptp_tmr_cmd_to_src_reg - Convert to source timer command value
+ * ice_ptp_cgu_err_reporting - Enable/disable error reporting for CGU
+ * @hw: pointer to HW struct
+ * @enable: true if reporting should be enabled
+ *
+ * Enable or disable error events to be reported through Admin Queue.
+ *
+ * Return: 0 on success, error code otherwise
+ */
+static int ice_ptp_cgu_err_reporting(struct ice_hw *hw, bool enable)
+{
+ int err;
+
+ err = ice_aq_cfg_cgu_err(hw, enable, enable, NULL);
+ if (err) {
+ ice_debug(hw, ICE_DBG_PTP,
+ "Failed to %s CGU error reporting, err %d\n",
+ enable ? "enable" : "disable", err);
+ return err;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_ptp_process_cgu_err - Handle reported CGU error
+ * @hw: pointer to HW struct
+ * @event: reported CGU error descriptor
+ */
+void ice_ptp_process_cgu_err(struct ice_hw *hw, struct ice_rq_event_info
*event)
+{
+ u8 err_type = event->desc.params.cgu_err.err_type;
+
+ if (err_type & ICE_AQC_CGU_ERR_TIMESYNC_LOCK_LOSS) {
+ ice_warn(hw, "TimeSync PLL lock lost. Retrying to acquire lock
with default PLL configuration.\n");
+ ice_init_cgu_e82x(hw);
+ }
+
+ /* Reenable CGU error reporting */
+ ice_ptp_cgu_err_reporting(hw, true);
+}
+
+/**
+ * ice_ptp_tmr_cmd_to_src_reg - Convert to source timer command value
* @hw: pointer to HW struct
* @cmd: Timer command
*
@@ -3054,6 +3096,11 @@ static int ice_ptp_init_phc_e822(struct ice_hw *hw)
if (err)
return err;
+ /* Enable CGU error reporting */
+ err = ice_ptp_cgu_err_reporting(hw, true);
+ if (err)
+ return err;
+
/* Set window length for all the ports */
return ice_ptp_set_vernier_wl(hw);
}
--
2.43.0
