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 <[email protected]> Reviewed-by: Galazka Krzysztof <[email protected]> Reviewed-by: Paul M Stillwell Jr <[email protected]> Reviewed-by: Formela Marcin <[email protected]> Reviewed-by: Kirsher Jeffrey T <[email protected]> Reviewed-by: Michael Alice <[email protected]> Signed-off-by: Xiaolong Ye <[email protected]> --- 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
