linux-kernel - Re: [PATCH v8 net-next 03/12] net: bridge: enable bridge to install locked fdb entries from drivers

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Message-ID: <20221020125549.v6kls2lk7etvay7c@skbuf>
Date:   Thu, 20 Oct 2022 15:55:49 +0300
From:   Vladimir Oltean <olteanv@...il.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>,
        Vivien Didelot <vivien.didelot@...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>,
        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>,
        Jiri Pirko <jiri@...nulli.us>,
        Ivan Vecera <ivecera@...hat.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Shuah Khan <shuah@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Christian Marangi <ansuelsmth@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Yuwei Wang <wangyuweihx@...il.com>,
        Petr Machata <petrm@...dia.com>,
        Ido Schimmel <idosch@...dia.com>,
        Florent Fourcot <florent.fourcot@...irst.fr>,
        Hans Schultz <schultz.hans@...il.com>,
        Joachim Wiberg <troglobit@...il.com>,
        Amit Cohen <amcohen@...dia.com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        bridge@...ts.linux-foundation.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v8 net-next 03/12] net: bridge: enable bridge to install
 locked fdb entries from drivers

On Tue, Oct 18, 2022 at 06:56:10PM +0200, Hans J. Schultz wrote:
> diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
> index 8f3d76c751dd..c6b938c01a74 100644
> --- a/net/bridge/br_switchdev.c
> +++ b/net/bridge/br_switchdev.c
> @@ -136,6 +136,7 @@ static void br_switchdev_fdb_populate(struct net_bridge *br,
>  	item->added_by_user = test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags);
>  	item->offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags);
>  	item->is_local = test_bit(BR_FDB_LOCAL, &fdb->flags);
> +	item->locked = test_bit(BR_FDB_LOCKED, &fdb->flags);

Shouldn't this be set to 0 here, since it is the bridge->driver
direction?

>  	item->info.dev = (!p || item->is_local) ? br->dev : p->dev;
>  	item->info.ctx = ctx;
>  }
> -- 
> 2.34.1
>