From: Jakub Kicinski <kuba@kernel.org>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: Vladimir Oltean <olteanv@gmail.com>,
Woojung Huh <woojung.huh@microchip.com>,
Andrew Lunn <andrew@lunn.ch>,
Vivien Didelot <vivien.didelot@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
kernel@pengutronix.de, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, Lukas Wunner <lukas@wunner.de>,
UNGLinuxDriver@microchip.com
Subject: Re: [PATCH net-next v1 2/3] net: dsa: ar9331: add support for pause stats
Date: Mon, 27 Jun 2022 09:15:21 -0700 [thread overview]
Message-ID: <20220627091521.3b80a4e8@kernel.org> (raw)
In-Reply-To: <20220626171008.GA7581@pengutronix.de>
On Sun, 26 Jun 2022 19:10:08 +0200 Oleksij Rempel wrote:
> > Is there an authoritative source who is able to tell whether rtnl_link_stats64 ::
> > rx_packets and tx_packets should count PAUSE frames or not?
>
> Yes, it will be interesting to know how to proceed with it.
I'm curious as well, AFAIK most drivers do not count pause to ifc stats.
> For example KSZ switch do count pause frame Bytes together will other
> frames. At same time, atheros switch do not count pause frame bytes
> at all.
>
> To make things worse, i can manually send pause frame of any size, so
> it will not be accounted by HW. What ever decision we will made, i
> will need to calculate typical pause frame size and hope it will fit
> for 90% of cases.
:(
next prev parent reply other threads:[~2022-06-27 16:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-24 12:59 [PATCH net-next v1 1/3] net: dsa: add get_pause_stats support Oleksij Rempel
2022-06-24 12:59 ` [PATCH net-next v1 2/3] net: dsa: ar9331: add support for pause stats Oleksij Rempel
2022-06-24 22:03 ` Vladimir Oltean
2022-06-26 17:10 ` Oleksij Rempel
2022-06-27 16:15 ` Jakub Kicinski [this message]
2022-06-27 20:02 ` Vladimir Oltean
2022-06-28 3:09 ` Jakub Kicinski
2022-06-28 7:22 ` Andrew Lunn
2022-06-28 8:45 ` Oleksij Rempel
2022-06-28 16:10 ` Jakub Kicinski
2022-06-29 7:07 ` Oleksij Rempel
2022-06-24 12:59 ` [PATCH net-next v1 3/3] net: dsa: microchip: add pause stats support Oleksij Rempel
2022-06-24 21:52 ` Vladimir Oltean
2022-06-24 22:03 ` [PATCH net-next v1 1/3] net: dsa: add get_pause_stats support Vladimir Oltean
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