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Miller" , Jakub Kicinski , Paolo Abeni , Simon Horman , Kuniyuki Iwashima , Andrew Lunn , netdev@vger.kernel.org, eric.dumazet@gmail.com Subject: Re: [PATCH net-next] net: dropreason: add SKB_DROP_REASON_{BROAD,MULTI}CAST_BACKLOG Message-ID: Mail-Followup-To: Joe Damato , Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni , Simon Horman , Kuniyuki Iwashima , Andrew Lunn , netdev@vger.kernel.org, eric.dumazet@gmail.com References: <20260403022443.3480770-1-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 > --- > 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