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Re: [RFC] mac80211: add IBSS merge support

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On Thu, 2011-08-25 at 11:33 -0700, Luis R. Rodriguez wrote:
> From: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx>
> 
> When you try to create an IBSS network with a lot of nodes
> you typically end up with split networks due to the fact that
> some nodes for one reason or another end up not listening to
> beacons from the node others do with a higher TSF. What ends
> up happening is you split the IBSS network and these do not
> converge. To address this you can force the BSSID as well as
> the SSID but if you just want to specify the SSID you can
> use the ibss_merge knob to force an IBSS merge by focing the
> BSSID to be based on the passed SSID.
> 
> Cc: Jouni Malinen <jouni@xxxxxxxxxxxxxxxx>
> Cc: Ivan Seskar <seskar@xxxxxxxxxxxxxxxxxx>
> Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx>
> ---
> 
> Ivan, I think this is what you were looking for but an alternative to this
> problem is to specify the BSSID every time you want to create your own large
> IBSS network, this would mean that its a requirement and also means we
> acknowledge a limitation by IEEE's adhoc definition. Is there any reason
> forcing a BSSID on the experimenter is not an equally good solution?

Even setting "fixed-bssid" is acknowledging that already, but I really
see no reason for this to live in the kernel.

johannes

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