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path: root/drivers/net/ixgbe/ixgbe_phy.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_phy.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_phy.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index 22d21af14783..09e1911ff510 100644
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -135,6 +135,11 @@ static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id)
**/
s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)
{
+ /* Don't reset PHY if it's shut down due to overtemp. */
+ if (!hw->phy.reset_if_overtemp &&
+ (IXGBE_ERR_OVERTEMP == hw->phy.ops.check_overtemp(hw)))
+ return 0;
+
/*
* Perform soft PHY reset to the PHY_XS.
* This will cause a soft reset to the PHY
@@ -1345,3 +1350,28 @@ s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw,
return status;
}
+/**
+ * ixgbe_tn_check_overtemp - Checks if an overtemp occured.
+ * @hw: pointer to hardware structure
+ *
+ * Checks if the LASI temp alarm status was triggered due to overtemp
+ **/
+s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw)
+{
+ s32 status = 0;
+ u16 phy_data = 0;
+
+ if (hw->device_id != IXGBE_DEV_ID_82599_T3_LOM)
+ goto out;
+
+ /* Check that the LASI temp alarm status was triggered */
+ hw->phy.ops.read_reg(hw, IXGBE_TN_LASI_STATUS_REG,
+ MDIO_MMD_PMAPMD, &phy_data);
+
+ if (!(phy_data & IXGBE_TN_LASI_STATUS_TEMP_ALARM))
+ goto out;
+
+ status = IXGBE_ERR_OVERTEMP;
+out:
+ return status;
+}