[Olsr-users] Favorite Madwifi drivers, patches and settings for Adhoc?

Derek C (spam-protected)
Fri Mar 20 00:11:41 CET 2009

Hi Sean,

I've had better luck with ahdemo mode (no network splits but no security

I've had lots of problems with diversity settings with various hardware
including WRAP x86/CM9 cards and Ubiquiti NS2 units -I still don't know
what the right settings are really and sometimes setting diversity to 0
seems to be ignored because I see the txantenna and rxantenna numbers
jumping around anyway - it eventually seemed to work so I looked the other
way :s.

I've settled on kamikaze 8.09_rc1 (rc2 and the new stable releases caused
me a nightmare and lots of lost days with not being able to make one node
ping a very nearby node so a problem with madwifi versions maybe?) - this
is weird and I should really look into it a bit more.


On Thu, March 12, 2009 11:55 pm, Sean wrote:
> Hello,
> I wanted to get some info on how people are implementing OLSR with
> Atheros chipsets and adhoc. I have been messing around with settings and
> drivers. So far I have seen some improvement with madwifi-hal-testing.
> http://madwifi-project.org/wiki/news/20080829/new-hal-release-for-atheros
> -hardware
> Some settings I've seen so far:
> iwpriv ath0 mode 3                  #force 802.11g mode iwpriv ath0 bgscan
> 0                #turn off background scanning iwconfig ath0 ap
> 02:ca:ff:ee:ba:be  #force bssid to prevent network
> splits
> disable diversity (especially if you only have one connected antenna)
> sysctl -w dev.wifi0.diversity=0 sysctl -w dev.wifi0.txantenna=1 sysctl -w
> dev.wifi0.rxantenna=1
> or this, depending on your card sysctl -w dev.wifi0.diversity=0 sysctl -w
> dev.wifi0.txantenna=2 sysctl -w dev.wifi0.rxantenna=2
> Any other drivers, patches or settings?
> Sean
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Derek C
In Ireland

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