Re: Linux not seeing ACK on FIN|ACK packets

Matthew Vanecek (mev0003@unt.edu)
Tue, 30 Mar 1999 16:53:55 -0600

David Miller wrote:
>
> Date: Mon, 29 Mar 1999 18:44:44 -0600 (EST)
> From: Taral <taral@cyberjunkie.com>
>
> Attached are the patch and the tcpdump which exhibits the faulty
> behavior.
>
> Nice work... but I think the following is a better fix, can you
> test it for me? I just did this using my eyes.
>
> --- net/ipv4/tcp_input.c.~1~ Wed Mar 17 11:31:31 1999
> +++ net/ipv4/tcp_input.c Tue Mar 30 03:36:08 1999
> @@ -253,7 +253,7 @@
> u32 end_window = tp->rcv_wup + tp->rcv_wnd;
>
> if (tp->rcv_wnd &&
> - after(end_seq, tp->rcv_nxt) &&
> + !before(end_seq, tp->rcv_nxt) &&
> before(seq, end_window))
> return 1;
> if (seq != end_window)

Does anyone have the original message/question, or would it be at the
archives already? I've been having a problem, and it sounds like this
could be a very similar one.

Thanks

-- 
Matthew Vanecek
Course of Study: http://www.unt.edu/bcis
Visit my Website at http://people.unt.edu/~mev0003
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