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Re: [lwip-users] Bug in tcp_receive()?

From: David Empson
Subject: Re: [lwip-users] Bug in tcp_receive()?
Date: Fri, 07 Aug 2009 16:22:03 +1200

I agree. This is definitely a bug. I've filed a bug report for it on Savannah.
Well spotted.
----- Original Message -----
From: Mousom
Sent: Thursday, August 06, 2009 10:11 PM
Subject: [lwip-users] Bug in tcp_receive()?

  if (flags & TCP_ACK) {
    right_wnd_edge = pcb->snd_wnd + pcb->snd_wl1;
Should not this be?
  if (flags & TCP_ACK) {
    right_wnd_edge = pcb->snd_wnd + pcb->snd_wl2;
Also later
      if (pcb->snd_wl1 + pcb->snd_wnd == right_wnd_edge){
seems to be wrong and should be
      if (pcb->snd_wl2 + pcb->snd_wnd == right_wnd_edge){
There is also a third reference in a debug message.

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