netdev - Re: [PATCH RFC net-next] net: stmmac: enable RPS and RBU interrupts

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Message-ID: <821723dc-387c-4d57-aa73-1e5556fed0bc@bootlin.com>
Date: Mon, 19 Jan 2026 16:15:22 +0100
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
 Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, linux-arm-kernel@...ts.infradead.org,
 linux-stm32@...md-mailman.stormreply.com,
 Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org,
 Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH RFC net-next] net: stmmac: enable RPS and RBU interrupts

>> I'm not sure why we publish these statistic counters if we don't
>> enable the interrupts to allow them to ever be non-zero.

 [...]

> I personnaly find the stat useful,

Just to elaborate a bit more, I'd say I find it even harmful to have the
stat stay stuck at 0, which would be misleading when debugging while
relying on these counter values, especially if other stmmac flavours
make proper use of it.

Maxime