linux-kernel - Re: [PATCH net-next v4 3/9] net: stmmac: enlarge max rx/tx queues and channels to 16

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Message-ID: <836bc916-a392-40b4-aa82-7378082d4299@lunn.ch>
Date:   Sun, 20 Aug 2023 21:19:38 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Jisheng Zhang <jszhang@...nel.org>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net-next v4 3/9] net: stmmac: enlarge max rx/tx queues
 and channels to 16

On Wed, Aug 16, 2023 at 11:29:20PM +0800, Jisheng Zhang wrote:
> xgmac supports up to 16 rx/tx queues and up to 16 channels.

What is the effect on memory usage with this? Does this only affect
the limits with ethtool --set-ring, but has no effect by default?

	Andrew