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 10/14] net: bridge: mcast: track active state, bridge up/down
Date: Sun, 8 Feb 2026 18:10:48 +0200 [thread overview]
Message-ID: <20260208161048.GJ154003@shredder> (raw)
In-Reply-To: <20260206030123.5430-11-linus.luessing@c0d3.blue>
On Fri, Feb 06, 2026 at 03:52:16AM +0100, Linus Lüssing wrote:
> diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
> index 2a2f54009e0f..7a32c6bed111 100644
> --- a/net/bridge/br_multicast.c
> +++ b/net/bridge/br_multicast.c
> @@ -1124,6 +1124,7 @@ static void br_multicast_notify_active(struct net_bridge_mcast *brmctx,
> *
> * The multicast active state is set, per protocol family, if:
> *
> + * - the bridge interface is up
> * - multicast snooping is enabled
> * - an IGMP/MLD querier is present
> * - for own IPv6 MLD querier: an IPv6 address is configured on the bridge
> @@ -1140,6 +1141,9 @@ static void br_multicast_update_active(struct net_bridge_mcast *brmctx)
>
> lockdep_assert_held_once(&brmctx->br->multicast_lock);
>
> + if (!netif_running(brmctx->br->dev))
> + force_inactive = true;
> +
Same comment as before. Let's skip unnecessary checks
> if (!br_opt_get(brmctx->br, BROPT_MULTICAST_ENABLED))
> force_inactive = true;
next prev parent reply other threads:[~2026-02-08 16:11 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
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 [this message]
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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