linux-kernel - Re: [PATCH net 1/1] net: dsa: qca: ar9331: make proper initial port defaults

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Message-ID: <20210803084432.gvl7dexmhqii6a5s@pengutronix.de>
Date:   Tue, 3 Aug 2021 10:44:32 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     DENG Qingfang <dqfext@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        linux-mips@...r.kernel.org, netdev@...r.kernel.org,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Jakub Kicinski <kuba@...nel.org>,
        Vladimir Oltean <olteanv@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 1/1] net: dsa: qca: ar9331: make proper initial port
 defaults

On Tue, Aug 03, 2021 at 04:14:35PM +0800, DENG Qingfang wrote:
> On Tue, Aug 03, 2021 at 08:54:24AM +0200, Oleksij Rempel wrote:
> > +	if (dsa_is_cpu_port(ds, port)) {
> > +		/* CPU port should be allowed to communicate with all user
> > +		 * ports.
> > +		 */
> > +		port_mask = dsa_user_ports(ds);
> > +		/* Enable Atheros header on CPU port. This will allow us
> > +		 * communicate with each port separately
> > +		 */
> > +		port_ctrl |= AR9331_SW_PORT_CTRL_HEAD_EN;
> > +	} else if (dsa_is_user_port(ds, port)) {
> > +		/* User ports should communicate only with the CPU port.
> > +		 */
> > +		port_mask = BIT(dsa_to_port(ds, port)->cpu_dp->index);
> > +		port_ctrl |= AR9331_SW_PORT_CTRL_LEARN_EN;
> 
> All user ports should start with address learning disabled.
> To toggle it, implement .port_pre_bridge_flags and .port_bridge_flags.

Ok, thx! Will move it to the separate patch

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