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From: Johannes Berg <johannes@sipsolutions.net>
To: Michal Kazior <michal.kazior@tieto.com>, linux-wireless@vger.kernel.org
Cc: dave.taht@gmail.com, make-wifi-fast@lists.bufferbloat.net, 
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Date: Sun, 17 Apr 2016 00:29:32 +0200
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Subject: Re: [Make-wifi-fast] [PATCHv3 4/5] mac80211: implement codel on
	fair queuing flows
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On Thu, 2016-04-14 at 14:18 +0200, Michal Kazior wrote:
> 
> +				struct ieee80211_vif *vif;
> +
> +				/* When packets are enqueued on txq
> it's easy
> +				 * to re-construct the vif pointer.
> There's no
> +				 * more space in tx_info so it can
> be used to
> +				 * store the necessary enqueue time
> for packet
> +				 * sojourn time computation.
> +				 */
> +				u64 enqueue_time;
> +			};

I wonder if we could move something like the hw_key into tx_control
instead?

johannes