linux-kernel - Re: [PATCH net v2] net: dsa: qca8k: reset cpu port on MTU change

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Message-Id: <165594841333.25849.16798970262846753043.git-patchwork-notify@kernel.org>
Date:   Thu, 23 Jun 2022 01:40:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Christian Marangi <ansuelsmth@...il.com>
Cc:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, noodles@...th.li,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH net v2] net: dsa: qca8k: reset cpu port on MTU change

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 21 Jun 2022 17:11:22 +0200 you wrote:
> It was discovered that the Documentation lacks of a fundamental detail
> on how to correctly change the MAX_FRAME_SIZE of the switch.
> 
> In fact if the MAX_FRAME_SIZE is changed while the cpu port is on, the
> switch panics and cease to send any packet. This cause the mgmt ethernet
> system to not receive any packet (the slow fallback still works) and
> makes the device not reachable. To recover from this a switch reset is
> required.
> 
> [...]

Here is the summary with links:
  - [net,v2] net: dsa: qca8k: reset cpu port on MTU change
    https://git.kernel.org/netdev/net/c/386228c694bf

You are awesome, thank you!
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