On 28/01/14 02:41, Sujith Manoharan wrote:
> Simon Wunderlich wrote:
>> Yeah, this patch works for my case. I'm not completely sure why we only unlink
>> for this special case (no stations & bssid = zero), I don't see why it would
>> hurt to always throw away that BSS and rescan on the next join?
>>
>> I'm CCing Teemu, who introduced this roughly 3.5 years ago ("mac80211: remove
>> BSS from cfg80211 list when leaving IBSS",
>> 5ea096c0c85e80335889539899af9a4717976e0b) , maybe he can explain it more. I
>> couldn't understand that from the commit message and the corresponding mail
>> thread.
>
> I think we can drop the BSS when we leave an IBSS network. The only advantage
> of not doing so is a slightly faster join command that is given after
> leaving - if there are more than 2 nodes in the cell, that is. But it would
> be prudent to scan and check if the network exists before trying to join it,
> so I'll send the patch for review.
Right now no scan takes place if you specify bssid and freq (+
fixed_freq attr). Then no matter if the BSS is already the scan list:
the join command will be fast.
Cheers,
--
Antonio Quartulli
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