Re: FreeBSD TCP ignores zero window size

2012-03-31 Thread Darren Reed
Andre, Your changes bring it closer to working correctly with a small change: rather than "tiwin > tp->snd_wnd", it should be "tiwin != tp->snd_wnd". In this trace, the remote end has set a window scale factor of 5 during connection establishment. The same change should be made in the if() a few

Re: kern.eventtimer.periodic

2012-03-31 Thread Adrian Chadd
Hi, Please file a PR about this. Mav will need to know what situations aren't correctly being handled in his new timer framework. Adrian ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send

Re: kern.eventtimer.periodic

2012-03-31 Thread Joe Holden
Joe Holden wrote: Hey, So I have another box that has time issues since being upgraded to 9.0-REL, again kern.eventtimer.periodic=1 seems to be the fix. Should this perhaps be a default in future releases? Oops, that should have been to -stable! sorry for the noise _

kern.eventtimer.periodic

2012-03-31 Thread Joe Holden
Hey, So I have another box that has time issues since being upgraded to 9.0-REL, again kern.eventtimer.periodic=1 seems to be the fix. Should this perhaps be a default in future releases? ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.

Re: Possible interoperability issue with TCP timestamps between FreeBSD and Linux

2012-03-31 Thread Jason Wolfe
On Sat, Mar 31, 2012 at 5:25 AM, Andre Oppermann wrote: > On 31.03.2012 00:07, Jason Wolfe wrote: >> >> So I'm seeing an issue that appears to be caused by the strict TCP >> timestamp adherence in the Linux kernel when there are connections >> being initiated by both sides of a Linux and FreeBSD p

Re: Possible interoperability issue with TCP timestamps between FreeBSD and Linux

2012-03-31 Thread Andre Oppermann
On 31.03.2012 00:07, Jason Wolfe wrote: So I'm seeing an issue that appears to be caused by the strict TCP timestamp adherence in the Linux kernel when there are connections being initiated by both sides of a Linux and FreeBSD pair of servers. What is looks like is FreeBSD is only tracking the ti

Re: FreeBSD TCP ignores zero window size

2012-03-31 Thread Andre Oppermann
On 31.03.2012 12:40, Darren Reed wrote: Darren Reed wrote: Andre Oppermann wrote: On 30.03.2012 16:22, Darren Reed wrote: I've been tracking down some problems with FreeBSD's sending of TCP packets and seem to have come to the conclusion that in FreeBSD 8.2-RELEASE, when the system is working

Re: FreeBSD TCP ignores zero window size

2012-03-31 Thread Darren Reed
Darren Reed wrote: Andre Oppermann wrote: On 30.03.2012 16:22, Darren Reed wrote: I've been tracking down some problems with FreeBSD's sending of TCP packets and seem to have come to the conclusion that in FreeBSD 8.2-RELEASE, when the system is working with a TCP connection that has a moderate

Re: FreeBSD TCP ignores zero window size

2012-03-31 Thread Darren Reed
Andre Oppermann wrote: On 30.03.2012 16:22, Darren Reed wrote: I've been tracking down some problems with FreeBSD's sending of TCP packets and seem to have come to the conclusion that in FreeBSD 8.2-RELEASE, when the system is working with a TCP connection that has a moderate delay in it, FreeBS

Re: FreeBSD TCP ignores zero window size

2012-03-31 Thread Darren Reed
Jason Hellenthal wrote: On Sat, Mar 31, 2012 at 01:22:27AM +1100, Darren Reed wrote: I've been tracking down some problems with FreeBSD's sending of TCP packets and seem to have come to the conclusion that in FreeBSD 8.2-RELEASE, when the system is working with a TCP connection that has a mod