On Thu, Feb 14, 2019 at 11:24:27AM +0100, Linus Walleij wrote: > 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> > Reviewed-by: Nikolay Aleksandrov <nikolay@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> > --- > include/linux/if_bridge.h | 1 + > include/uapi/linux/if_link.h | 1 + > net/bridge/br_forward.c | 39 +++++++++++++++- > net/bridge/br_mdb.c | 2 +- > net/bridge/br_multicast.c | 90 ++++++++++++++++++++++++++---------- > net/bridge/br_netlink.c | 5 ++ > net/bridge/br_private.h | 3 +- > net/bridge/br_sysfs_if.c | 2 + > 8 files changed, 114 insertions(+), 29 deletions(-) What is the git commit id of this patch upstream? I need that on the patches themselves. thanks, greg k-h
