After NVM update on some 25g cards link start periodically flap.
The issue was fixed by adding additional check into
i40e_get_lpi_counters() which calls i40e_aq_run_phy_activity()
only for EEE capable cards.
Signed-off-by: Aleksandr Loktionov <aleksandr.loktio...@intel.com>
Reviewed-by: Galazka Krzysztof <krzysztof.gala...@intel.com>
Reviewed-by: Paul M Stillwell Jr <paul.m.stillwell...@intel.com>
Reviewed-by: Formela Marcin <marcin.form...@intel.com>
Reviewed-by: Kirsher Jeffrey T <jeffrey.t.kirs...@intel.com>
Reviewed-by: Michael Alice <alice.mich...@intel.com>
Signed-off-by: Xiaolong Ye <xiaolong...@intel.com>
---
drivers/net/i40e/base/i40e_common.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/net/i40e/base/i40e_common.c
b/drivers/net/i40e/base/i40e_common.c
index 4d2d86196..337d62b5f 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -7176,6 +7176,15 @@ enum i40e_status_code i40e_get_lpi_counters(struct
i40e_hw *hw,
enum i40e_status_code retval;
u32 cmd_status;
+ /* only X710-T*L requires special handling of counters
+ * for other devices we just read the MAC registers
+ */
+ if (hw->device_id != I40E_DEV_ID_10G_BASE_T_BC) {
+ *tx_counter = rd32(hw, I40E_PRTPM_TLPIC);
+ *rx_counter = rd32(hw, I40E_PRTPM_RLPIC);
+ return I40E_SUCCESS;
+ }
+
retval = i40e_aq_run_phy_activity(hw,
I40E_AQ_RUN_PHY_ACTIVITY_ACTIVITY_ID_USER_DEFINED,
I40E_AQ_RUN_PHY_ACTIVITY_DNL_OPCODE_GET_EEE_STATISTICS,
--
2.17.1
