ixgbe: add new function to check for management presence
This patch adds a support function that will indicate for the
existence of management FW.
Signed-off-by: Donald C Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index b1e364d..08fcf57 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -504,16 +504,12 @@
**/
static void ixgbe_stop_mac_link_on_d3_82599(struct ixgbe_hw *hw)
{
- u32 autoc2_reg, fwsm;
+ u32 autoc2_reg;
u16 ee_ctrl_2 = 0;
hw->eeprom.ops.read(hw, IXGBE_EEPROM_CTRL_2, &ee_ctrl_2);
- /* Check to see if MNG FW could be enabled */
- fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM(hw));
-
- if (((fwsm & IXGBE_FWSM_MODE_MASK) != IXGBE_FWSM_FW_MODE_PT) &&
- !hw->wol_enabled &&
+ if (!ixgbe_mng_present(hw) && !hw->wol_enabled &&
ee_ctrl_2 & IXGBE_EEPROM_CCD_BIT) {
autoc2_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
autoc2_reg |= IXGBE_AUTOC2_LINK_DISABLE_ON_D3_MASK;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 4c1c267..3f56a80 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -3905,3 +3905,18 @@
}
}
}
+
+/** ixgbe_mng_present - returns true when management capability is present
+ * @hw: pointer to hardware structure
+ **/
+bool ixgbe_mng_present(struct ixgbe_hw *hw)
+{
+ u32 fwsm;
+
+ if (hw->mac.type < ixgbe_mac_82599EB)
+ return false;
+
+ fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM(hw));
+ fwsm &= IXGBE_FWSM_MODE_MASK;
+ return fwsm == IXGBE_FWSM_FW_MODE_PT;
+}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
index ec015fe..2f779f3 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
@@ -113,6 +113,7 @@
s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer,
u32 length, u32 timeout, bool return_data);
void ixgbe_clear_tx_pending(struct ixgbe_hw *hw);
+bool ixgbe_mng_present(struct ixgbe_hw *hw);
bool ixgbe_mng_enabled(struct ixgbe_hw *hw);
void ixgbe_set_rxpba_generic(struct ixgbe_hw *hw, int num_pb,