[lwip-devel] [task #6849] Test how checksum on copy could be integrated into the stack

[Bill Auerbach]

Follow-up Comment #7, task #6849 (project lwip):

I can help out on this task.  We can have our hardware stream data and
generate checksums while copying the data.  My idea was to have it drop 0 to
pcb->mss bytes into memory with a u16_t word following, which is the checksum
of the packet.  If a tcp_enqueue_with_checksum existed which took up to
pcb->mss and the checksum for the data being sent, then a packet could be
queued inserting the checksum in the header.

Posts here mention UDP - I suspect the same thing has to be done.  A call at
some level passing in a precalculated checksum.

Bill

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