-extern boolean_t ixgb_setup_fc(struct ixgb_hw *hw);
-extern void ixgb_clear_hw_cntrs(struct ixgb_hw *hw);
-extern boolean_t mac_addr_valid(uint8_t *mac_addr);
-
-extern uint16_t ixgb_read_phy_reg(struct ixgb_hw *hw,
- uint32_t reg_addr,
- uint32_t phy_addr,
- uint32_t device_type);
-
-extern void ixgb_write_phy_reg(struct ixgb_hw *hw,
- uint32_t reg_addr,
- uint32_t phy_addr,
- uint32_t device_type,
- uint16_t data);