TCPv4 checksum errors

[Andreas Schwab]

Alan Cox <alan at cymru.net> writes:

|> The classic bad packet error is a frame that ends up with
|> 
|> checksum =FFFF end around carry left =1

There can never be a carry if the sum is FFFF.  A sum of two 16 bit values
is never be bigger than 1FFFE.

Andreas.

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