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Message-ID: <20250602093728.qp7gczoykrown34k@skbuf>
Date: Mon, 2 Jun 2025 12:37:28 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Álvaro Fernández Rojas <noltari@...il.com>
Cc: jonas.gorski@...il.com, florian.fainelli@...adcom.com, andrew@...n.ch,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, vivien.didelot@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, dgcbueu@...il.com
Subject: Re: [RFC PATCH 02/10] net: dsa: b53: prevent FAST_AGE access on
 BCM5325

Hello,

On Sat, May 31, 2025 at 12:13:00PM +0200, Álvaro Fernández Rojas wrote:
> BCM5325 doesn't implement FAST_AGE registers so we should avoid reading or
> writing them.
> 
> Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch")
> Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
> ---

How about implementing a "slow age" procedure instead? Walk through the
FDB, and delete the dynamically learned entries for the port?

Address aging is important for STP state transitions.

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