netdev - Re: [PATCH net-next v2 3/6] net: dsa: qca: ar9331: add forwarding database support'

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Message-ID: <YN8tWtqfRRO7kAlb@lunn.ch>
Date:   Fri, 2 Jul 2021 17:14:34 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Oleksij Rempel <o.rempel@...gutronix.de>, '@...n.ch
Cc:     Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH net-next v2 3/6] net: dsa: qca: ar9331: add forwarding
 database support'

On Fri, Jul 02, 2021 at 12:17:48PM +0200, Oleksij Rempel wrote:
> This switch provides simple address resolution table, without VLAN or
> multicast specific information.
> With this patch we are able now to read, modify unicast and mulicast

mul_t_icast.

> addresses.
> +static int ar9331_sw_port_fdb_dump(struct dsa_switch *ds, int port,
> +				   dsa_fdb_dump_cb_t *cb, void *data)
> +{
> +	struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
> +	int cnt = AR9331_SW_NUM_ARL_RECORDS;
> +	struct ar9331_sw_fdb _fdb = { 0 };

Why use _fdb? There does not appear to be an fdb?

> +static int ar9331_sw_port_fdb_rmw(struct ar9331_sw_priv *priv,
> +				  const unsigned char *mac,
> +				  u8 port_mask_set,
> +				  u8 port_mask_clr)
> +{
> +	struct regmap *regmap = priv->regmap;
> +	u32 f0, f1, f2 = 0;
> +	u8 port_mask, port_mask_new, status, func;
> +	int ret;

Reverse Christmas tree.

> +static int ar9331_sw_port_fdb_add(struct dsa_switch *ds, int port,
> +				  const unsigned char *mac, u16 vid)
> +{
> +	struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
> +	u16 port_mask = BIT(port);
> +
> +	dev_info(priv->dev, "%s(%pM, %x)\n", __func__, mac, port);

dev_dbg()?

	Andrew