IXGBE_CPU_TO_BE16
write_cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
hic.cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));
buffer.length = IXGBE_CPU_TO_BE16(words_to_read * 2);
buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));