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 for ath10k@lists.infradead.org; Fri, 18 Mar 2016 07:53:28 +0000
From: "Valo, Kalle" <kvalo@qca.qualcomm.com>
Subject: Re: [PATCH v5] ath10k: move mgmt descriptor limit handle under mgmt_tx
Date: Fri, 18 Mar 2016 07:53:00 +0000
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References: <1457535346-16159-1-git-send-email-rmanohar@qti.qualcomm.com>
In-Reply-To: <1457535346-16159-1-git-send-email-rmanohar@qti.qualcomm.com>
 (Rajkumar Manoharan's message of "Wed, 9 Mar 2016 20:25:46 +0530")
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To: "Manoharan, Rajkumar" <rmanohar@qti.qualcomm.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>, "rmanohar@codeaurora.org" <rmanohar@codeaurora.org>, "ath10k@lists.infradead.org" <ath10k@lists.infradead.org>

Rajkumar Manoharan <rmanohar@qti.qualcomm.com> writes:

> Frames that are transmitted via MGMT_TX are using reserved descriptor
> slots in firmware. This limitation is for the htt_mgmt_tx path itself,
> not for mgmt frames per se. In 16 MBSSID scenario, these reserved slots
> will be easy exhausted due to frequent probe responses. So for 10.4
> based solutions, probe responses are limited by a threshold (24).
>
> management tx path is separate for all except tlv based solutions. Since
> tlv solutions (qca6174 & qca9377) do not support 16 AP interfaces, it is
> safe to move management descriptor limitation check under mgmt_tx
> function. Though CPU improvement is negligible, unlikely conditions or
> never hit conditions in hot path can be avoided on data transmission.
>
> Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>

Applied, thanks.

-- 
Kalle Valo
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