u8 ixgbe_calculate_checksum(u8 *buffer, u32 length);
s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer,
u32 length, u32 timeout, bool return_data);
+s32 ixgbe_hic_unlocked(struct ixgbe_hw *, u32 *buffer, u32 length, u32 timeout);
void ixgbe_clear_tx_pending(struct ixgbe_hw *hw);