From: Linus Lüssing <linus.luessing@xxxxxxxxx> Date: Sat, 21 Jan 2017 21:01:32 +0100 > From: Felix Fietkau <nbd@xxxxxxxx> > > Implements an optional, per bridge port flag and feature to deliver > multicast packets to any host on the according port via unicast > individually. This is done by copying the packet per host and > changing the multicast destination MAC to a unicast one accordingly. > > multicast-to-unicast works on top of the multicast snooping feature of > the bridge. Which means unicast copies are only delivered to hosts which > are interested in it and signalized this via IGMP/MLD reports > previously. > > This feature is intended for interface types which have a more reliable > and/or efficient way to deliver unicast packets than broadcast ones > (e.g. wifi). > > However, it should only be enabled on interfaces where no IGMPv2/MLDv1 > report suppression takes place. This feature is disabled by default. > > The initial patch and idea is from Felix Fietkau. > > Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> > [linus.luessing@xxxxxxxxx: various bug + style fixes, commit message] > Signed-off-by: Linus Lüssing <linus.luessing@xxxxxxxxx> I'm not completely happy that things have progressed this way, however I don't have a better solution to suggest.
