Re: Incremental update of TCP Checksum

[David S. Miller]

On Tue, 16 Sep 2003 23:28:26 -0400
"Raf D'Halleweyn" <raf@xxxxxxxxxx> wrote:

> This is what I wrote some time ago. But I haven't used it recently.

See include/net/ip.h:ip_increase_ttl().  Most people get this
code wrong, in particular the final carry.
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