ixgbe: make silicon specific functions generic

[net-next-2.6.git] / drivers / net / ixgbe / ixgbe_phy.c

diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index 6c0d42e33f21770092668b3c3405223c3e55d09b..bc255ec48428257917b40ec2335ac8ef0c16c5ca 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -424,6 +424,39 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
        return 0;
 }
 
+/**
+ * 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