linux-kernel - Re: [PATCH net 1/4] net: ravb: Count packets instead of descriptors in R-Car RX path

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Date: Thu, 11 Apr 2024 19:23:22 +0300
From: Sergey Shtylyov <s.shtylyov@....ru>
To: Paul Barker <paul.barker.ct@...renesas.com>, "David S. Miller"
	<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Niklas Söderlund <niklas.soderlund+renesas@...natech.se>,
	Geert Uytterhoeven <geert+renesas@...der.be>
CC: <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net 1/4] net: ravb: Count packets instead of descriptors
 in R-Car RX path

On 4/11/24 2:44 PM, Paul Barker wrote:

> The units of "work done" in the RX path should be packets instead of
> descriptors.
> 
> Descriptors which are used by the hardware to record error conditions or
> are empty in the case of a DMA mapping error should not count towards
> our RX work budget.
> 
> Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
> Signed-off-by: Paul Barker <paul.barker.ct@...renesas.com>

Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>

[...]

MBR, Sergey