linux-kernel - Re: [PATCH RFC net-next 02/10] net: bridge: Always multicast

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Date: Wed, 3 Apr 2024 16:52:44 +0100
From: Simon Horman <horms@...nel.org>
To: Joseph Huang <Joseph.Huang@...min.com>
Cc: netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Roopa Prabhu <roopa@...dia.com>,
	Nikolay Aleksandrov <razor@...ckwall.org>,
	Linus Lüssing <linus.luessing@...3.blue>,
	linux-kernel@...r.kernel.org, bridge@...ts.linux.dev
Subject: Re: [PATCH RFC net-next 02/10] net: bridge: Always multicast_flood
 Reports

On Mon, Apr 01, 2024 at 08:11:01PM -0400, Joseph Huang wrote:
> Modify the forwarding path so that IGMPv1/v2/MLDv1 Reports are always
> flooded by br_multicast_flood(), regardless of the check done
> by br_multicast_querier_exists().
> 
> This patch fixes the problems where shortly after a system boots up,
> the first couple of Reports are not handled properly in that:
> 
> 1) The Report from the Host is being flooded (via br_flood) to all
>    bridge ports, and
> 2) If the mrouter port's multicast flooding is disabled, the Reports
>    received from other hosts will not be forwarded to the Querier.
> 
> Fixes: b00589af3b04 ("bridge: disable snooping if there is no querier")
> 

There should be no blank line between Fixes and other tags.

If this is a fix, it should be targeted against net,
and likely broken out of this series.

If it is not a fix, then it should not have a Fixes tag.
Rather, you can reference a commit in the commit message text
(not tags) using something like.

Introduced by commit b00589af3b04 ("bridge: disable snooping if there is no querier")

Link: https://www.kernel.org/doc/html/next/process/maintainer-netdev.html

> Signed-off-by: Joseph Huang <Joseph.Huang@...min.com>

..