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Message-ID: <Y9lj7RJgyMJfjtGp@corigine.com>
Date:   Tue, 31 Jan 2023 19:54:37 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     "Hans J. Schultz" <netdev@...io-technology.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vladimir Oltean <olteanv@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Woojung Huh <woojung.huh@...rochip.com>,
        "maintainer:MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER" 
        <UNGLinuxDriver@...rochip.com>, Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Clément Léger <clement.leger@...tlin.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Ivan Vecera <ivecera@...hat.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Russell King <linux@...linux.org.uk>,
        Christian Marangi <ansuelsmth@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        "open list:RENESAS RZ/N1 A5PSW SWITCH DRIVER" 
        <linux-renesas-soc@...r.kernel.org>,
        "moderated list:ETHERNET BRIDGE" <bridge@...ts.linux-foundation.org>
Subject: Re: [PATCH net-next 3/5] drivers: net: dsa: add fdb entry flags
 incoming to switchcore drivers

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@...io-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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