Message-ID: <55EEA958.4060300@broadcom.com> (sfid-20150908_112453_130768_50994F98)
Date: Tue, 8 Sep 2015 11:24:40 +0200
From: Arend van Spriel <arend@broadcom.com>
MIME-Version: 1.0
To: Gucea Doru <gucea.doru@gmail.com>
CC: <linux-wireless@vger.kernel.org>
Subject: Re: Fwd: bcmdhd: Concurrent use of wlan0 and virtual interface in
 managed mode
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On 09/08/2015 09:50 AM, Gucea Doru wrote:
> On Tue, Sep 8, 2015 at 12:01 AM, Arend van Spriel <arend@broadcom.com> wrote:
>
>> The BCM4339 chip does not rely on mac80211. Instead, there is an
>> 802.11 stack running on the device, ie. in firmware. The driver creates the
>> primary interface, ie. wlan0. Additional P2P interfaces are created by
>> wpa_supplicant.
>>
>
> Hm, BCM4339 uses the bcmdhd driver.
> So the bcmdhd driver is not a softmac[1] driver and the the 802.11
> processing is not done in software, right?

Sure it is done in software. Just not on the host, ie. in linux kernel, 
but on the device.

Regards,
Arend

> [1] https://wireless.wiki.kernel.org/en/developers/documentation/glossary#softmac
>
> Regards,
> Doru
>