macvlan: Allow some packets to bypass broadcast queue
macvlan: Skip broadcast queue if multicast with single receiver
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2179199 Upstream Status: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git Tested: setup with bclim option only
First 2 patches are the feature, and the 3rd one is a follow-up.
Signed-off-by: Xin Long lxin@redhat.com