mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-03-22 05:09:56 -04:00
Setting up IPv6 addresses on configurations with many macvlans is not really working, as many multicast messages are dropped. Add a multicast filter to macvlan to reduce the amount of cloned skbs and overhead. Successfully tested with 1024 macvlans on one ethernet device. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Ben Greear <greearb@candelatech.com> Signed-off-by: David S. Miller <davem@davemloft.net>