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Subject: Re: The mac80211 softmac driver subsystem and handling of monitor
 interfaces
From: Johannes Berg <johannes@sipsolutions.net>
To: Roger James <roger@beardandsandals.co.uk>,
	linux-wireless@vger.kernel.org
Date: Tue, 15 Mar 2016 14:08:06 +0100
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On Tue, 2016-03-15 at 13:01 +0000, Roger James wrote:
> 
> roger@dragon:~/linux-mainline$ find . -name "*.[ch]" -exec grep -n 
> IEEE80211_HW_WANT_MONITOR_VIF {} \; -print
> 1851: * @IEEE80211_HW_WANT_MONITOR_VIF: The driver would like to be 
> informed of
> 1928:    IEEE80211_HW_WANT_MONITOR_VIF,
> ./include/net/mac80211.h
> 
> Is that what you meant. Nobody seems to be using it. Even mac80211 
> itself. Or am I being stupid again :-)
> 

There are macros generating the checks and setting it, so you want to
grep without the IEEE80211_HW_ prefix

johannes