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Date:   Mon, 18 Jul 2022 20:25:04 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Saeed Mahameed <saeed@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>, Gal Pressman <gal@...dia.com>
Subject: Re: [net-next 03/14] net/mlx5e: Expose rx_oversize_pkts_buffer
 counter

On Sun, 17 Jul 2022 14:33:41 -0700 Saeed Mahameed wrote:
> From: Gal Pressman <gal@...dia.com>
> 
> Add the rx_oversize_pkts_buffer counter to ethtool statistics.
> This counter exposes the number of dropped received packets due to
> length which arrived to RQ and exceed software buffer size allocated by
> the device for incoming traffic. It might imply that the device MTU is
> larger than the software buffers size.

Is it counted towards any of the existing stats as well? It needs 
to end up in struct rtnl_link_stats64::rx_length_errors somehow.

On ethtool side - are you not counting this towards FrameTooLongErrors
because it's not dropped in the MAC? Can we count it as RMON's
oversize_pkts?

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