Re: [PATCH net-next 3/5] drivers: net: dsa: add fdb entry flags incoming to switchcore drivers

From: Simon Horman <simon.horman@corigine.com>
To: "Hans J. Schultz" <netdev@kapio-technology.com>
Cc: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Vladimir Oltean" <olteanv@gmail.com>,
	"Eric Dumazet" <edumazet@google.com>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Kurt Kanzenbach" <kurt@linutronix.de>,
	"Hauke Mehrtens" <hauke@hauke-m.de>,
	"Woojung Huh" <woojung.huh@microchip.com>,
	"maintainer:MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER"
	<UNGLinuxDriver@microchip.com>,
	"Sean Wang" <sean.wang@mediatek.com>,
	"Landen Chao" <Landen.Chao@mediatek.com>,
	"DENG Qingfang" <dqfext@gmail.com>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	"Claudiu Manoil" <claudiu.manoil@nxp.com>,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
	"Clément Léger" <clement.leger@bootlin.com>,
	"Jiri Pirko" <jiri@resnulli.us>,
	"Ivan Vecera" <ivecera@redhat.com>,
	"Roopa Prabhu" <roopa@nvidia.com>,
	"Nikolay Aleksandrov" <razor@blackwall.org>,
	"Russell King" <linux@armlinux.org.uk>,
	"Christian Marangi" <ansuelsmth@gmail.com>,
	"open list" <linux-kernel@vger.kernel.org>,
	"moderated list:ARM/Mediatek SoC support"
	<linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/Mediatek SoC support"
	<linux-mediatek@lists.infradead.org>,
	"open list:RENESAS RZ/N1 A5PSW SWITCH DRIVER"
	<linux-renesas-soc@vger.kernel.org>,
	"moderated list:ETHERNET BRIDGE"
	<bridge@lists.linux-foundation.org>
Subject: Re: [PATCH net-next 3/5] drivers: net: dsa: add fdb entry flags incoming to switchcore drivers
Date: Tue, 31 Jan 2023 19:54:37 +0100	[thread overview]
Message-ID: <Y9lj7RJgyMJfjtGp@corigine.com> (raw)
In-Reply-To: <20230130173429.3577450-4-netdev@kapio-technology.com>

On Mon, Jan 30, 2023 at 06:34:27PM +0100, Hans J. Schultz wrote:
> Ignore FDB entries with set flags coming in on all switchcore drivers.
> 
> Signed-off-by: Hans J. Schultz <netdev@kapio-technology.com>
> ---
>  drivers/net/dsa/b53/b53_common.c       | 12 ++++++++++--
>  drivers/net/dsa/b53/b53_priv.h         |  4 ++--
>  drivers/net/dsa/hirschmann/hellcreek.c | 12 ++++++++++--
>  drivers/net/dsa/lan9303-core.c         | 12 ++++++++++--
>  drivers/net/dsa/lantiq_gswip.c         | 12 ++++++++++--
>  drivers/net/dsa/microchip/ksz9477.c    |  8 ++++----
>  drivers/net/dsa/microchip/ksz9477.h    |  8 ++++----
>  drivers/net/dsa/microchip/ksz_common.c | 14 +++++++++++---
>  drivers/net/dsa/mt7530.c               | 12 ++++++++++--
>  drivers/net/dsa/mv88e6xxx/chip.c       | 12 ++++++++++--
>  drivers/net/dsa/ocelot/felix.c         | 12 ++++++++++--
>  drivers/net/dsa/qca/qca8k-common.c     | 12 ++++++++++--
>  drivers/net/dsa/qca/qca8k.h            |  4 ++--
>  drivers/net/dsa/rzn1_a5psw.c           | 12 ++++++++++--
>  drivers/net/dsa/sja1105/sja1105_main.c | 19 ++++++++++++++-----
>  include/net/dsa.h                      |  4 ++--
>  net/dsa/switch.c                       | 12 ++++++++----
>  17 files changed, 137 insertions(+), 44 deletions(-)
> 
> diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
> index 59cdfc51ce06..cec60af6dfdc 100644
> --- a/drivers/net/dsa/b53/b53_common.c
> +++ b/drivers/net/dsa/b53/b53_common.c
> @@ -1684,11 +1684,15 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
>  
>  int b53_fdb_add(struct dsa_switch *ds, int port,
>  		const unsigned char *addr, u16 vid,
> -		struct dsa_db db)
> +		u16 fdb_flags, struct dsa_db db)
>  {
>  	struct b53_device *priv = ds->priv;
>  	int ret;
>  
> +	/* Ignore entries with set flags */
> +	if (fdb_flags)
> +		return 0;


	Would returning -EOPNOTSUPP be more appropriate?

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