Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]

2008-07-06 Thread Andrew Snow
I'm no expert, but I imagine the problem is because the net processing of FreeBSD is not pipelined enough. We are now able to affordably throw many gigabytes of RAM into a machine, as well 2 to 8 CPUs. So why not allow for big buffers and multiple processing steps? I be happy to give up a

Re: kern/122145: [build] error while compiling with device ath_rate_amrr

2008-07-06 Thread linimon
Old Synopsis: error while compiling with device ath_rate_amrr New Synopsis: [build] error while compiling with device ath_rate_amrr Responsible-Changed-From-To: freebsd-net->sam Responsible-Changed-By: linimon Responsible-Changed-When: Sun Jul 6 09:17:46 UTC 2008 Responsible-Changed-Why: Over to

Re: kern/122685: It is not visible passing packets in tcpdump

2008-07-06 Thread linimon
Synopsis: It is not visible passing packets in tcpdump Responsible-Changed-From-To: freebsd-bugs->freebsd-net Responsible-Changed-By: linimon Responsible-Changed-When: Sun Jul 6 09:16:38 UTC 2008 Responsible-Changed-Why: Over to maintainer(s). http://www.freebsd.org/cgi/query-pr.cgi?pr=122685 __

Re: kern/123200: [netgraph] Server failure due to netgraph mpd and dhcpclient

2008-07-06 Thread linimon
Old Synopsis: Server failure due to netgraph mpd and dhcpclient New Synopsis: [netgraph] Server failure due to netgraph mpd and dhcpclient Responsible-Changed-From-To: freebsd-bugs->freebsd-net Responsible-Changed-By: linimon Responsible-Changed-When: Sun Jul 6 09:09:28 UTC 2008 Responsible-Change

Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]

2008-07-06 Thread Sepherosa Ziehau
On Sat, Jul 5, 2008 at 2:03 AM, Paul <[EMAIL PROTECTED]> wrote: > I tried all of this :/ still, 256/512 descriptors seem to work the best. > Happy to let you log into the machine and fiddle around if you want :) I think you need to ktr the packet processing time. Standard gigabit max at ~1488095

Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]

2008-07-06 Thread Robert Watson
On Sat, 5 Jul 2008, Paul wrote: ULE + PREEMPTION for non SMP no major differences with SMP with ULE/4BSD and preemption ON/OFF 32 bit UP test coming up with new cpu and I'm installing dragonfly sometime this weekend :] UP: 1mpps in one direction with no firewall/no routing table is not too