linux-kernel - Re: [PATCH net v2] net: spacemit: k1-emac: program frame size registers for jumbo frames

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Message-ID: <20260127172401.4bb7bd83@kernel.org>
Date: Tue, 27 Jan 2026 17:24:01 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Vivian Wang <wangruikang@...as.ac.cn>
Cc: Tomas Hlavacek <tmshlvck@...il.com>, netdev@...r.kernel.org,
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org, "David S . Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, Andrew Lunn <andrew+netdev@...n.ch>, Yixun Lan
 <dlan@...nel.org>
Subject: Re: [PATCH net v2] net: spacemit: k1-emac: program frame size
 registers for jumbo frames

On Tue, 27 Jan 2026 12:58:21 +0800 Vivian Wang wrote:
> Oh and... maybe these should be priv->ndev->mtu + ETH_HLEN + ETH_FCS_LEN?

+ 2 * VLAN_HLEN perhaps?