Re: WLC_SET_BSSID in adhoc mode on Broadcom

Hi Alex,

Felix' hack will just bump up the TSF AFAIK. The (high) TSF is sent by the 
local driver in order to convince other nodes to use the local BSSID. Thats 
not working well. Reasons:

- There are drivers which ignore TSF (e.g. the Ralink
   RT73-USB-legacy compares BSSIDs. The highes
   BSSID wins (non-standard behaviour)

- In every bigger mesh (>20 nodes) you will experience
   a TSF of ~ 500.000 years (in milliseconds). Use "horst" to
   see jumpy values advancing by days or months in a couple of secs.
   Sooner or later, the 64bit counter wraps. Now try to imagine
   what happens next.

Conclusio: fiddeling with TSF does not work. You need to be deaf and insist 
on the manually configured BSSID. Nothing else.

P.S: Batman binaries for Freifunk are here (does'nt look too old):
http://downloads.open-mesh.net/batman/development/wrt-freifunk/

// Sven-Ola

"Alexander Morlang" <alx@...> schrieb im Newsbeitrag 
news:48295B0B.2040400@...
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Sven-Ola Tuecke schrieb:
> Hi,
>
> I doubt, that this is the case. The original Fixed-BSSID-Hack is made by 
> me
> and I have only hacke a specific wl.o wireless driver module (needs 
> correct
> binary offsets). Hence it works only if you have a) the same kernel 
> module,
> b) a patched verion of the wl_compat.o module and the necessary hacks in
> /sbin/wifi to activate the hack. Just check this:
>
> f4454baba83a8076f4c91d777f5ff60b  /lib/modules/2.4.30/wl.o
>
> [X] need to re-publish the details (requires digging in deep dirt)

sure, the first fixed bssid hack, but there are several different, like
the OpenWrt one, which is working different.

felix promised to put it in RSN.
>
> // Sven-Ola
>

Alex

<no more tofu please>
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