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From: "Valo, Kalle" <kvalo@qca.qualcomm.com>
To: "Kolli, Anilkumar" <akolli@qti.qualcomm.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: [PATCH] ath10k: Reduce number of peers to support peer stats feature
Date: Fri, 4 Mar 2016 08:43:43 +0000	[thread overview]
Message-ID: <87wppiy6o5.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1456210197-27892-1-git-send-email-akolli@qti.qualcomm.com> (akolli@qti.qualcomm.com's message of "Tue, 23 Feb 2016 12:19:57	+0530")

<akolli@qti.qualcomm.com> writes:

> From: Anilkumar Kolli <akolli@qti.qualcomm.com>
>
> To enable per peer stats feature we are reducing the number of peers.
> Firmware has introduced tx stats feature. We have memory limitation in
> firmware to add these additional bytes.
>
> These are the new variables introduced in the firmware.
> ========		=======================
> Variable	      	Bytes required/per rate
> ========		=======================
> TX success packets 	1
> TX failed packets	1
> Retry packets		1
> Success bytes		2
> TX failed bytes		2
> Retry bytes		2
> Tx duration		4
> Rate			1
> Bw and AMPDU flags	1
> Total			16 (because of allocation in word pattern)
>
> Firmware sends these tx_stats in pktlog.
> If we consider 4 feedbacks at a time, Frimware need about ~1K memory for coding
> and 8192 bytes required / per rate [ 4*16*128(peers)].
> To accommodate this firmware needs to reduce 10 peers.
>
> Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com>

Applied, thanks.

I add a note in the commit log that this fixes a crash with
firmware-5.bin_10.2.4.70.22-2.

-- 
Kalle Valo
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      parent reply	other threads:[~2016-03-04  8:44 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-23  6:49 [PATCH] ath10k: Reduce number of peers to support peer stats feature akolli
2016-02-23  7:09 ` kbuild test robot
2016-02-23 10:03   ` Kolli, Anilkumar
2016-02-23 13:53 ` Ben Greear
2016-02-24 12:00   ` Kolli, Anilkumar
2016-03-04  8:43 ` Valo, Kalle [this message]

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