Subject: Re: preliminary port of some ath tools
To: Steven M. Bellovin <>
From: Sam Leffler <>
List: current-users
Date: 10/23/2005 19:13:14
Steven M. Bellovin wrote:
> I've ported a few of the FreeBSD tools for ath and 802.11 monitoring.
> Testing thus far has been minimal.  You can find them at
>  I have not attempted
> to figure out where they should fit in our source tree, nor do the
> #include files reflect any location in the tree.  My testing was
> done on 3.99.9 from about a month ago.
> 80211debug has a problem with its sysctls; I neither know what
> it's trying to accomplish nor do I know what a % in sysctlbyname means
> in that version of FreeBSD.  (I can probably figure it out now that
> I'm back online, but I did my work on a airplane...)  80211stats
> has lots of undefined symbols, and I haven't found where, if anywhere,
> NetBSD keeps its equivalents.  It's possible that 'ifconfig -v'
> subsumes it.

This is probably the backpointer from the wlan sysctl tree to the 
device.  That is net80211 instances have a separate sysctl hierarchy 
distinct from the underyling device for future compatibility with vap's 
(where you can have multiple instances per-device).