Re: [RFC PATCH net-next v2 2/7] net: ravb: Count packets instead of descriptors in RX path

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To: Paul Barker <paul.barker.ct@xxxxxxxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>
Subject: Re: [RFC PATCH net-next v2 2/7] net: ravb: Count packets instead of descriptors in RX path
From: Sergey Shtylyov <s.shtylyov@xxxxxx>
Date: Sat, 10 Feb 2024 19:32:53 +0300
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>, Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>, <netdev@xxxxxxxxxxxxxxx>, <linux-renesas-soc@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <20240206091909.3191-3-paul.barker.ct@bp.renesas.com>
Organization: Open Mobile Platform
References: <20240206091909.3191-1-paul.barker.ct@bp.renesas.com> <20240206091909.3191-3-paul.barker.ct@bp.renesas.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1

On 2/6/24 12:19 PM, Paul Barker wrote:

> The units of "work done" in the RX path should be packets instead of
> descriptors, as large packets can be spread over multiple descriptors.

   Only for GbEth, right?
   This does look like a bug fix...

> Signed-off-by: Paul Barker <paul.barker.ct@xxxxxxxxxxxxxx>

[...]

MBR, Sergey

References:
- [RFC PATCH net-next v2 0/7] Improve GbEth performance on Renesas RZ/G2L and related SoCs
  - From: Paul Barker
- [RFC PATCH net-next v2 2/7] net: ravb: Count packets instead of descriptors in RX path
  - From: Paul Barker

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