ixgbe: make silicon specific functions generic
The new MAC type X540 shares much of the same functionality of
some silicon specific functions. To reduce duplicate code,
made these functions generic.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index 6c0d42e..bc255ec 100644
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -425,6 +425,39 @@
}
/**
+ * ixgbe_get_copper_link_capabilities_generic - Determines link capabilities
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @autoneg: boolean auto-negotiation value
+ *
+ * Determines the link capabilities by reading the AUTOC register.
+ */
+s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
+ ixgbe_link_speed *speed,
+ bool *autoneg)
+{
+ s32 status = IXGBE_ERR_LINK_SETUP;
+ u16 speed_ability;
+
+ *speed = 0;
+ *autoneg = true;
+
+ status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
+ &speed_ability);
+
+ if (status == 0) {
+ if (speed_ability & MDIO_SPEED_10G)
+ *speed |= IXGBE_LINK_SPEED_10GB_FULL;
+ if (speed_ability & MDIO_PMA_SPEED_1000)
+ *speed |= IXGBE_LINK_SPEED_1GB_FULL;
+ if (speed_ability & MDIO_PMA_SPEED_100)
+ *speed |= IXGBE_LINK_SPEED_100_FULL;
+ }
+
+ return status;
+}
+
+/**
* ixgbe_reset_phy_nl - Performs a PHY reset
* @hw: pointer to hardware structure
**/