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Subject: Re: Reading the current monitor flags of an interface
From: Johannes Berg <johannes@sipsolutions.net>
To: Roger James <roger@beardandsandals.co.uk>,
	linux-wireless@vger.kernel.org
Date: Tue, 05 Jan 2016 17:02:35 +0100
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On Sat, 2016-01-02 at 16:27 +0000, Roger James wrote:
> Hi,
> 
> I am trying to get at the current monitor flags setting of a wireless
> monitor mode virtual interface. I have tried to do this by hacking
> the 
> iw source. However I never see a NL80211_ATTR_MNTR_FLAGS attribute 
> returned in response to the
> 
> TOPLEVEL(info, NULL, NL80211_CMD_GET_INTERFACE, 0, CIB_NETDEV, 
> handle_interface_info,
>       "Show information for this interface.");
> 
> command in iw's interface.c code.
> 
> Questions.
> 
> 1. Am I wasting my time? (e.g. the rt2800usb driver never returns
> this 
> info, or there is another easy way of viewing this info, etc)
> 

Looks like it's never set in the corresponding kernel code.

johannes