#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
/* Until 2.6.22, the start of the transport header was
* also the start of data to be checksummed. Linux
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
/* Until 2.6.22, the start of the transport header was
* also the start of data to be checksummed. Linux