From: Joe Damato <joe@dama.to>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>,
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 11:22:29 -0700 [thread overview]
Message-ID: <adP55WGtpzoEGXek@devvm20253.cco0.facebook.com> (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>
> ---
> drivers/net/ipvlan/ipvlan_core.c | 4 ++--
> drivers/net/macvlan.c | 2 +-
> include/net/dropreason-core.h | 12 ++++++++++++
> 3 files changed, 15 insertions(+), 3 deletions(-)
Reviewed-by: Joe Damato <joe@dama.to>
next prev parent reply other threads:[~2026-04-06 18:22 UTC|newest]
Thread overview: 4+ 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
2026-04-06 18:22 ` Joe Damato [this message]
2026-04-07 1:02 ` Jakub Kicinski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=adP55WGtpzoEGXek@devvm20253.cco0.facebook.com \
--to=joe@dama.to \
--cc=andrew+netdev@lunn.ch \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=eric.dumazet@gmail.com \
--cc=horms@kernel.org \
--cc=kuba@kernel.org \
--cc=kuniyu@google.com \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox