linux-kernel - Re: [PATCH] allow setting wiphy.perm

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Message-ID: <CAOiHx=mWkvOf=An=TzWDidK2o4+KGQmz8MAHNo3rSuwbBzUWEg@mail.gmail.com>
Date:	Tue, 12 Aug 2014 10:43:27 +0200
From:	Jonas Gorski <jogo@...nwrt.org>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	Daniel Gimpelevich <daniel@...pelevich.san-francisco.ca.us>,
	"John W. Linville" <linville@...driver.com>,
	"linux-wireless@...r.kernel.org Wireless" 
	<linux-wireless@...r.kernel.org>,
	Johannes Berg <johannes@...solutions.net>,
	"David S. Miller" <davem@...emloft.net>,
	Network Development <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] allow setting wiphy.perm_addr after driver probe

On Tue, Aug 12, 2014 at 9:59 AM, Marcel Holtmann <marcel@...tmann.org> wrote:
> Hi Daniel,
>
>>> the way I read the nl80211 code is that the NL80211_CMD_NEW_INTERFACE
>>> requires a wiphy device to be specified. And that is actually just a
>>> number. So I have no idea what the MAC has to here.
>>>
>> OpenWrt finds a wiphy by its MAC.
>
> maybe that is the first problem right there. I see that over sysfs you get phy80211/macaddress. However if you do a dump via NL80211_CMD_GET_WIPHY then you do not have the MAC address there.

OpenWrt nowadays uses the device path in sysfs/devices to identify
wiphys, not the mac anymore (e.g 'pci0000:00/0000:00:01.0/ssb0:0').


Jonas
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