From: Ido Schimmel <idosch@nvidia.com>
To: "Linus Lüssing" <linus.luessing@c0d3.blue>
Cc: bridge@lists.linux.dev, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
Nikolay Aleksandrov <razor@blackwall.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
Simon Horman <horms@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Jakub Kicinski <kuba@kernel.org>,
Eric Dumazet <edumazet@google.com>,
"David S . Miller" <davem@davemloft.net>,
Kuniyuki Iwashima <kuniyu@google.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Xiao Liang <shaw.leon@gmail.com>
Subject: Re: [PATCH net-next v2 07/14] net: bridge: mcast: track active state, own MLD querier disappearance
Date: Sun, 8 Feb 2026 18:09:07 +0200 [thread overview]
Message-ID: <20260208160907.GG154003@shredder> (raw)
In-Reply-To: <20260206030123.5430-8-linus.luessing@c0d3.blue>
In subject: s/own MLD querier disappearance/own querier disappearance/ ?
On Fri, Feb 06, 2026 at 03:52:13AM +0100, Linus Lüssing wrote:
> This change ensures that the new multicast active state variable is
> immediately unset if our internal IGMP/MLD querier was elected and
> now disabled.
>
> If no IGMP/MLD querier exists on the link then we can't reliably receive
> IGMP/MLD reports and in turn can't ensure the completeness of our MDB
> anymore either.
>
> No functional change for the fast/data path yet. This is the last
> necessary check before using the new multicast active state variable
> in the fast/data path, too.
The last sentence needs to be dropped?
>
> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Code looks fine:
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
> ---
> net/bridge/br_multicast.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
> index a1cde2ba2a3e..2710c21daef5 100644
> --- a/net/bridge/br_multicast.c
> +++ b/net/bridge/br_multicast.c
> @@ -4914,6 +4914,7 @@ int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val)
> #endif
>
> unlock:
> + br_multicast_update_active(brmctx);
> spin_unlock_bh(&brmctx->br->multicast_lock);
>
> return 0;
> --
> 2.51.0
>
next prev parent reply other threads:[~2026-02-08 16:09 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-06 2:52 [PATCH net-next v2 00/14] net: bridge: reduce multicast checks in fast path Linus Lüssing
2026-02-06 2:52 ` [PATCH net-next v2 01/14] net: bridge: mcast: export ip{4,6}_active state to netlink Linus Lüssing
2026-02-08 16:00 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 02/14] net: bridge: mcast: track active state, adding tests Linus Lüssing
2026-02-07 4:58 ` Jakub Kicinski
2026-02-08 16:00 ` Ido Schimmel
2026-02-10 21:06 ` Linus Lüssing
2026-02-11 9:42 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 03/14] net: bridge: mcast: avoid sleeping on bridge-down Linus Lüssing
2026-02-08 11:41 ` Ido Schimmel
2026-02-08 16:01 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 04/14] net: bridge: mcast: track active state, IGMP/MLD querier appearance Linus Lüssing
2026-02-08 16:07 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 05/14] net: bridge: mcast: track active state, foreign IGMP/MLD querier disappearance Linus Lüssing
2026-02-07 4:56 ` [net-next,v2,05/14] " Jakub Kicinski
2026-02-11 3:05 ` Linus Lüssing
2026-02-08 16:08 ` [PATCH net-next v2 05/14] " Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 06/14] net: bridge: mcast: track active state, IPv6 address availability Linus Lüssing
2026-02-08 16:08 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 07/14] net: bridge: mcast: track active state, own MLD querier disappearance Linus Lüssing
2026-02-08 16:09 ` Ido Schimmel [this message]
2026-02-06 2:52 ` [PATCH net-next v2 08/14] net: bridge: mcast: track active state, if snooping is enabled Linus Lüssing
2026-02-08 16:09 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 09/14] net: bridge: mcast: track active state, VLAN snooping Linus Lüssing
2026-02-08 16:10 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 10/14] net: bridge: mcast: track active state, bridge up/down Linus Lüssing
2026-02-08 16:10 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 11/14] net: bridge: mcast: track active state, prepare for outside lock reads Linus Lüssing
2026-02-08 16:11 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 12/14] net: bridge: mcast: use combined active state in netlink Linus Lüssing
2026-02-08 16:11 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 13/14] net: bridge: mcast: use combined active state in fast/data path Linus Lüssing
2026-02-08 16:12 ` Ido Schimmel
2026-02-06 2:52 ` [PATCH net-next v2 14/14] net: bridge: mcast: add inactive state assertions Linus Lüssing
2026-02-08 16:13 ` Ido Schimmel
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