Re: TCPv4 bad checksum in 2.1.131-ac8/9/10

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 16 Dec 1998 21:28:49 +0000 (GMT)

> based custom board with 21143 ethernet chip. I tracked it
> down to eth_copy_and_sum routine utilized by the tulip.c driver.
> When I replaced it with memcpy the problem went away.

I believe the ARM eth_copy_and_csum routine was buggy, certainly Russell
weren't "oops" the phone when I mentioned the need for the second end around
carry

Alan

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