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From: Holger Schurig <hs4233@mail.mn-solutions.de>
To: linux-wireless@vger.kernel.org
Subject: Re: ieee80211_rx_mgmt: pushing fake 'management' frames into userspace
Date: Wed, 27 Jun 2007 17:30:59 +0200
References: <A2CE5E0A70B68046A98EB5145552E27701173B8F@sinse303.ap.infineon.com> <1182952910.4769.20.camel@johannes.berg>
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> Also, I thought you were doing a fullmac chipset? Then you
> shouldn't be worrying about mac80211 *at all*

Yes, unfortunately.

Currently, Linux has only fullmac and softmac. However, I'm 
working with a half-soft-half-full-mac hardware (libertas). What 
I mean is that the generation of the low-level packets etc are 
all done by the firmware in the card (fullmac). However, 
issueing scans (for IBSS or Managed mode), selecting a proper AP 
from the scan result, associating etc are all commands that the 
PC has to send to the firmware.

Some of this is not yet correctly working, e.g. when I kick out 
the WLAN card from the AP, then libertas just notifies this, but 
stays up ... it doesn't re-scan and re-associates. There are 
other scenarios where the current libertas code doesn't 
automatically re-scan/re-associate as well.

All of this is included in net/mac80211/ieee80211_sta.c, but 
tightly coupled to mac80211 so that it is unusable for 
non-mac80211 cards. Sigh.