Re: [9fans] 9vx and native networking

["Devon H. O'Dell" <devon.odell@gmail.com>]

2009/2/11 erik quanstrom <quanstro@quanstro.net>:
> On Wed Feb 11 07:27:47 EST 2009, anothy@gmail.com wrote:
>> Devon got this working for him about a month and a half ago; see this message:
>> http://9fans.net/archive/2008/12/501
>> I've still not made it work for me (on OS X), but i think the issues
>> are actually in changes outside the ethernet stuff. I haven't had much
>> time to dig in.
>
> it's been working well for me.  i've been using etherrs (raw socket)
> on linux.  the pcap version didn't work very well for me.  probablly
> due to some linux misconfiguration.  also, if you're looking to ping,
> make sure that the filter compiled into etherve.c doesn't drop non-ip
> packets.  arp is not ip.

I fixed that issue some time ago; it turned out that the performance
issue was something that is built into pcap to buffer packets for a
certain time period. So there was always an additional 500ms latency
on it because it was waiting that long before it returned its packet
buffer up to the OS. I believe I also have the code in hg doing the
right thing with the filter, as the pcap version did end up working
for me.

--dho

> unfortunately, what you can't do is boot from a plan 9 fs.  and since
> 9vx requires many more cycles and much more memory than drawterm,
> i've fallen back to that.  a faster linux machine might have lead to a
> different decision.
>
> - erik