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To: Vivek Natarajan <vnatarajan@atheros.com>
Cc: <linux-wireless@vger.kernel.org>
Subject: Re: [RFC PATCH] mac80211: Send null data frame after disabling power save in Tx path.
References: <1259132754-18164-1-git-send-email-vnatarajan@atheros.com>
From: Kalle Valo <kalle.valo@iki.fi>
Date: Wed, 25 Nov 2009 10:37:17 +0200
In-Reply-To: <1259132754-18164-1-git-send-email-vnatarajan@atheros.com> (Vivek Natarajan's message of "Wed\, 25 Nov 2009 12\:35\:54 +0530")
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Vivek Natarajan <vnatarajan@atheros.com> writes:

> For drivers setting IEEE80211_HW_PS_NULLFUNC_STACK, a null data frame
> with PM bit off has to be sent before sending normal data frames.

Why? Sending a data frame with PM bit off should be enough to inform
AP that the client is awake.

-- 
Kalle Valo