Re: Incremental update of TCP Checksum

David S. Miller
2003-09-17T04:43:36Z

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