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Message-ID: <649207f8.1c0a0220.86856.8798@mx.google.com>
Date: Tue, 20 Jun 2023 13:22:57 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [net-next PATCH] net: dsa: qca8k: add support for
port_change_master
On Tue, Jun 20, 2023 at 08:37:47AM +0200, Christian Marangi wrote:
> Add support for port_change_master to permit assigning an alternative
> CPU port if the switch have both CPU port connected or create a LAG on
> both CPU port and assign the LAG as DSA master.
>
> On port change master request, we check if the master is a LAG.
> With LAG we compose the cpu_port_mask with the CPU port in the LAG, if
> master is a simple dsa_port, we derive the index.
>
> Finally we apply the new cpu_port_mask to the LOOKUP MEMBER to permit
> the port to receive packet by the new CPU port setup for the port and
> we reenable the target port previously disabled.
>
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
> ---
> drivers/net/dsa/qca/qca8k-8xxx.c | 54 ++++++++++++++++++++++++++++++++
> drivers/net/dsa/qca/qca8k.h | 1 +
> 2 files changed, 55 insertions(+)
>
Please ignore I notice some problem and I have to test this further.
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