On Wed, 2009-10-21 at 12:15 +0100, Kieran Mansley wrote: > On Tue, 2009-10-20 at 18:51 +0200, [email protected] wrote: > > Continuing this on lwip-devel... > > > > Jan Wester wrote: > > > Hi > > > I change my WND to 1024 (2*MSS) and now it works > > > > > > Thanks Simon and Kieran for your help > > > > > Kieran, I studied Jans wireshark logs and indeed it looks a little > > strange that the window doesn't open unless it reaches 0, although lwIP > > was sending ACKs all the time. Is this an intention of the window update > > threshold mechanism? I thought it was only to not send (duplicate) ACKs > > that only contain window updates, not to prevent window changes at all? > > My intention was that it would only affect the sending of explicit > window updates. Normal ACKs should contain an up-to-date window. There > might be some "silly window avoidance" that is getting in the way.
Yep, this is the case: the silly window avoidance means we update the advertised window only when it increases by at least one MSS. Kieran _______________________________________________ lwip-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/lwip-users
