On 05/10/17 13:36, Jiri Pirko wrote: > From: Yotam Gigi <yot...@mellanox.com> > > Add an access function that, given a bridge netdevice, returns whether the > bridge device is currently an mrouter or not. The function uses the already > existing br_multicast_is_router function to check that. > > This function is needed in order to allow ports that join an already > existing bridge to know the current mrouter state of the bridge device. > Together with the bridge device mrouter ports switchdev notifications, it > is possible to have full offloading of the semantics of the bridge device > mcast router state. > > Due to the fact that the bridge multicast router status can change in > packet RX path, take the multicast_router bridge spinlock to protect the > read. > > Signed-off-by: Yotam Gigi <yot...@mellanox.com> > Reviewed-by: Nogah Frankel <nog...@mellanox.com> > Signed-off-by: Jiri Pirko <j...@mellanox.com> > --- > include/linux/if_bridge.h | 5 +++++ > net/bridge/br_multicast.c | 12 ++++++++++++ > 2 files changed, 17 insertions(+) >
Reviewed-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
