Thread (4 messages) flat view 4 messages, 4 authors, 2026-01-21

Re: [PATCH net-next v3] net: airoha_eth: increase max MTU to 9220 for DSA jumbo frames

From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-01-21 02:40:56
Also in: linux-arm-kernel, linux-mediatek

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski [off-list ref]:

On Mon, 19 Jan 2026 13:06:58 +0530 you wrote:
The industry standard jumbo frame MTU is 9216 bytes. When using the DSA
subsystem, a 4-byte tag is added to each Ethernet frame.

Increase AIROHA_MAX_MTU to 9220 bytes (9216 + 4) so that users can set a
standard 9216-byte MTU on DSA ports.

The underlying hardware supports significantly larger frame sizes
(approximately 16K). However, the maximum MTU is limited to 9220 bytes
for now, as this is sufficient to support standard jumbo frames and does
not incur additional memory allocation overhead.

[...]
Here is the summary with links:
  - [net-next,v3] net: airoha_eth: increase max MTU to 9220 for DSA jumbo frames
    https://git.kernel.org/netdev/net-next/c/6406fc709ace

You are awesome, thank you!
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