From: Tobias Waldekranz <tobias@waldekranz.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: davem@davemloft.net, andrew@lunn.ch, vivien.didelot@gmail.com,
f.fainelli@gmail.com, olteanv@gmail.com, j.vosburgh@gmail.com,
vfalico@gmail.com, andy@greyhouse.net, netdev@vger.kernel.org
Subject: Re: [PATCH v3 net-next 2/4] net: dsa: Link aggregation support
Date: Wed, 02 Dec 2020 22:29:38 +0100 [thread overview]
Message-ID: <87k0tz7v7h.fsf@waldekranz.com> (raw)
In-Reply-To: <20201202105820.4de653a2@kicinski-fedora-pc1c0hjn.DHCP.thefacebook.com>
On Wed, Dec 02, 2020 at 10:58, Jakub Kicinski <kuba@kernel.org> wrote:
> On Wed, 2 Dec 2020 10:13:54 +0100 Tobias Waldekranz wrote:
>> Monitor the following events and notify the driver when:
>>
>> - A DSA port joins/leaves a LAG.
>> - A LAG, made up of DSA ports, joins/leaves a bridge.
>> - A DSA port in a LAG is enabled/disabled (enabled meaning
>> "distributing" in 802.3ad LACP terms).
>>
>> Each LAG interface to which a DSA port is attached is represented by a
>> `struct dsa_lag` which is globally reachable from the switch tree and
>> from each associated port.
>>
>> When a LAG joins a bridge, the DSA subsystem will treat that as each
>> individual port joining the bridge. The driver may look at the port's
>> LAG pointer to see if it is associated with any LAG, if that is
>> required. This is analogue to how switchdev events are replicated out
>> to all lower devices when reaching e.g. a LAG.
>>
>> Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
>
> Any idea where this is coming from?
>
> net/dsa/slave.c: note: in included file:
> net/dsa/dsa_priv.h:194:31: error: incompatible types in comparison expression (different address spaces):
> net/dsa/dsa_priv.h:194:31: struct net_device [noderef] __rcu *
> net/dsa/dsa_priv.h:194:31: struct net_device *
Sorry about this. I missed an rtnl_dereference in the refactor between
v2->v3. I have now integrated sparse into my workflow so at least this
should not happen again.
next prev parent reply other threads:[~2020-12-02 21:30 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-02 9:13 [PATCH v3 net-next 0/4] net: dsa: Link aggregation support Tobias Waldekranz
2020-12-02 9:13 ` [PATCH v3 net-next 1/4] net: bonding: Notify ports about their initial state Tobias Waldekranz
2020-12-02 19:09 ` Jay Vosburgh
2020-12-02 21:52 ` Tobias Waldekranz
2020-12-03 0:39 ` Jay Vosburgh
2020-12-03 8:16 ` Tobias Waldekranz
2020-12-02 9:13 ` [PATCH v3 net-next 2/4] net: dsa: Link aggregation support Tobias Waldekranz
2020-12-02 10:07 ` Vladimir Oltean
2020-12-02 10:51 ` Tobias Waldekranz
2020-12-02 18:58 ` Jakub Kicinski
2020-12-02 21:29 ` Tobias Waldekranz [this message]
2020-12-02 21:32 ` Vladimir Oltean
2020-12-03 16:24 ` Vladimir Oltean
2020-12-03 20:53 ` Tobias Waldekranz
2020-12-03 21:09 ` Andrew Lunn
2020-12-03 21:35 ` Tobias Waldekranz
2020-12-04 0:35 ` Vladimir Oltean
2020-12-03 21:57 ` Vladimir Oltean
2020-12-03 23:12 ` Tobias Waldekranz
2020-12-04 0:56 ` Vladimir Oltean
2020-12-07 21:49 ` Tobias Waldekranz
2020-12-04 1:33 ` Andrew Lunn
2020-12-04 4:18 ` Florian Fainelli
2020-12-07 21:56 ` Tobias Waldekranz
2020-12-03 20:48 ` Vladimir Oltean
2020-12-04 2:20 ` Andrew Lunn
2020-12-07 21:19 ` Tobias Waldekranz
2020-12-07 23:26 ` Andrew Lunn
2020-12-09 8:57 ` Tobias Waldekranz
2020-12-09 14:27 ` Andrew Lunn
2020-12-09 15:21 ` Tobias Waldekranz
2020-12-09 23:03 ` Andrew Lunn
2020-12-04 4:04 ` Florian Fainelli
2020-12-08 11:23 ` Vladimir Oltean
2020-12-08 15:33 ` Tobias Waldekranz
2020-12-08 16:37 ` Vladimir Oltean
2020-12-09 8:37 ` Tobias Waldekranz
2020-12-09 10:53 ` Vladimir Oltean
2020-12-09 14:11 ` Tobias Waldekranz
2020-12-09 16:04 ` Vladimir Oltean
2020-12-09 22:01 ` Tobias Waldekranz
2020-12-09 22:21 ` Vladimir Oltean
2020-12-10 10:18 ` Tobias Waldekranz
2020-12-09 22:59 ` Andrew Lunn
2020-12-10 1:05 ` Vladimir Oltean
2020-12-09 14:23 ` Andrew Lunn
2020-12-09 23:17 ` Vladimir Oltean
2020-12-08 17:26 ` Andrew Lunn
2020-12-11 20:50 ` Tobias Waldekranz
2020-12-12 14:26 ` Vladimir Oltean
2020-12-13 21:18 ` Tobias Waldekranz
2020-12-14 0:12 ` Vladimir Oltean
2020-12-14 11:42 ` Ido Schimmel
2020-12-16 15:15 ` Tobias Waldekranz
2020-12-16 18:48 ` Ido Schimmel
2020-12-14 9:41 ` Tobias Waldekranz
2020-12-02 9:13 ` [PATCH v3 net-next 3/4] net: dsa: mv88e6xxx: " Tobias Waldekranz
2020-12-02 9:13 ` [PATCH v3 net-next 4/4] net: dsa: tag_dsa: Support reception of packets from LAG devices Tobias Waldekranz
2020-12-04 3:58 ` Florian Fainelli
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