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From: Vladimir Oltean <olteanv@gmail.com>
To: Tobias Waldekranz <tobias@waldekranz.com>
Cc: davem@davemloft.net, kuba@kernel.org,
	Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.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>,
	Petr Machata <petrm@nvidia.com>, Ido Schimmel <idosch@nvidia.com>,
	Matt Johnston <matt@codeconstruct.com.au>,
	Cooper Lees <me@cooperlees.com>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	bridge@lists.linux-foundation.org
Subject: Re: [PATCH v4 net-next 12/15] net: dsa: Handle MST state changes
Date: Wed, 16 Mar 2022 15:02:56 +0200	[thread overview]
Message-ID: <20220316130256.3hgbllxioz4igxen@skbuf> (raw)
In-Reply-To: <87wngujkdm.fsf@waldekranz.com>

On Wed, Mar 16, 2022 at 10:51:17AM +0100, Tobias Waldekranz wrote:
> > Question though:
> >
> >>> +			err = dsa_port_msti_fast_age(dp, state->msti);
> >
> > If _msti_fast_age returns an error here, do we want that to bubble up to
> > the bridge? It seems more important to keep the bridge in sync with the
> > hardware. I.e. the hardware state has already been successfully synced,
> > we just weren't able to flush all VLANs for some reason. We could revert
> > the state I guess, but what if that fails?
> >
> > Should we settle for a log message?
> 
> Or should we set the extack message? Similar to how we report software
> fallback of bridging/LAGs?

A warning extack and chug along sounds great. The worst that can happen
if flushing a VLAN's FDB fails is that the topology will reconverge slower.

  reply	other threads:[~2022-03-16 13:03 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-15  0:25 [PATCH v4 net-next 00/15] net: bridge: Multiple Spanning Trees Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 01/15] net: bridge: mst: Multiple Spanning Tree (MST) mode Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 02/15] net: bridge: mst: Allow changing a VLAN's MSTI Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 03/15] net: bridge: mst: Support setting and reporting MST port states Tobias Waldekranz
2022-03-15  9:52   ` Nikolay Aleksandrov
2022-03-15 16:54   ` Vladimir Oltean
2022-03-15 22:35     ` Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 04/15] net: bridge: mst: Notify switchdev drivers of MST mode changes Tobias Waldekranz
2022-03-15  5:32   ` Jakub Kicinski
2022-03-15 22:28     ` Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 05/15] net: bridge: mst: Notify switchdev drivers of VLAN MSTI migrations Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 06/15] net: bridge: mst: Notify switchdev drivers of MST state changes Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 07/15] net: bridge: mst: Add helper to map an MSTI to a VID set Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 08/15] net: bridge: mst: Add helper to check if MST is enabled Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 09/15] net: dsa: Never offload FDB entries on standalone ports Tobias Waldekranz
2022-03-15 16:33   ` Vladimir Oltean
2022-03-15 22:26     ` Tobias Waldekranz
2022-03-15 22:42       ` Vladimir Oltean
2022-03-15 22:57         ` Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 10/15] net: dsa: Validate hardware support for MST Tobias Waldekranz
2022-03-15 17:11   ` Vladimir Oltean
2022-03-16  9:15     ` Tobias Waldekranz
2022-03-16 13:03       ` Vladimir Oltean
2022-03-15  0:25 ` [PATCH v4 net-next 11/15] net: dsa: Pass VLAN MSTI migration notifications to driver Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 12/15] net: dsa: Handle MST state changes Tobias Waldekranz
2022-03-15 16:42   ` Vladimir Oltean
2022-03-15 16:44     ` Vladimir Oltean
2022-03-16  9:45     ` Tobias Waldekranz
2022-03-16  9:51       ` Tobias Waldekranz
2022-03-16 13:02         ` Vladimir Oltean [this message]
2022-03-15  0:25 ` [PATCH v4 net-next 13/15] net: dsa: mv88e6xxx: Disentangle STU from VTU Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 14/15] net: dsa: mv88e6xxx: Export STU as devlink region Tobias Waldekranz
2022-03-15  0:25 ` [PATCH v4 net-next 15/15] net: dsa: mv88e6xxx: MST Offloading Tobias Waldekranz

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