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Re: [RFC] mac80211: add IBSS merge support

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On Mon, Aug 29, 2011 at 6:22 AM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:
> 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.

Agreed, I was just hoping Ivan can test that does indeed fix that
issue and we can throw this out as one of those "bogus" features
MadWifi had for researchers.

  Luis
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