IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD
phy_addr = FIELD_GET(IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD,
hw->phy.mdio.prtad = FIELD_GET(IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD,