From: Simon Horman <horms@kernel.org>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Kuniyuki Iwashima <kuniyu@google.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH net-next] net: dropreason: add SKB_DROP_REASON_{BROAD,MULTI}CAST_BACKLOG
Date: Mon, 6 Apr 2026 14:49:50 +0100 [thread overview]
Message-ID: <20260406134950.GA395680@kernel.org> (raw)
In-Reply-To: <20260403022443.3480770-1-edumazet@google.com>
On Fri, Apr 03, 2026 at 02:24:43AM +0000, Eric Dumazet wrote:
> ipvlan and macvlan use queues to process broadcast or multicast packets
> from a work queue.
>
> Under attack these queues can drop packets.
>
> Add BROADCAST_BACKLOG drop_reason for macvlan broadcast queue.
>
> Add MULTICAST_BACKLOG drop_reason for ipvlan multicast queue.
>
> Also change ipvlan_rcv_frame() to use SKB_DROP_REASON_DEV_READY
> when the device is not UP.
>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2026-04-06 13:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-03 2:24 [PATCH net-next] net: dropreason: add SKB_DROP_REASON_{BROAD,MULTI}CAST_BACKLOG Eric Dumazet
2026-04-06 13:49 ` Simon Horman [this message]
2026-04-06 18:22 ` Joe Damato
2026-04-07 1:02 ` Jakub Kicinski
2026-04-07 10:09 ` Eric Dumazet
2026-04-07 14:04 ` Jakub Kicinski
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