linux-kernel - Re: How do I get mac80211 debugfs?

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Date:	Tue, 02 Oct 2012 08:38:10 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Kevin Cruz <skate_ops@...oo.com>
Cc:	Intel Wireless <ilw@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
Subject: Re: How do I get mac80211 debugfs?

Hi Kevin,

> So I tried that but all I got back was:
> 
>     cat: /sys/kernel/debug/ieee80211/phy*/queues: No such file or directory
> 
> so I'm assuming it's because I must not have mac80211 debugfs.  So how
> do I get it?

First, make sure it's mounted, check "mount" and if not mount it:

sudo mount -t debugfs debugfs /sys/kernel/debug

If that doesn't work you don't have it enabled in the kernel config,
check for CONFIG_DEBUG_FS. If you do have it, but not mac80211's files,
check for CONFIG_MAC80211_DEBUGFS.

Thanks,
johannes

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