Re: [PATCH 1/1] mac80211: scan on IBSS mode like on STA mode

[Johannes Berg <johannes@sipsolutions.net>]

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On Thu, 2008-09-11 at 00:32 +0300, Tomas Winkler wrote:

> Okay so here is the scenario. Iwlwifi reject scan that is triggered
> withing fixed period after
> association to leave time to finish EAPOL exchange.

Why is iwlwifi thinking it's associating in an IBSS?

> We never hit the problem in STA mode because of this code
> 
>  if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
> 		return ieee80211_sta_start_scan(dev, ssid, ssid_len);
> 
> which makes it go through the work queue, just pure timing luck.

Well the remainder of the code makes it go through, but yeah.

> I will remove this delay for IBSS, there is no association and no 1X
> is going on.

Ok, makes sense.

> For BSS I suggest to enforce similar delay already mac80211, iwlwifi I
> just return empty scan completion and buffered results will be
> returned.

We might want to enforce a similar delay like that in mac80211 instead
of iwlwifi, yeah.

johannes

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