On Tue, Feb 15, 2022 at 10:31:41AM +0200, Nikolay Aleksandrov wrote: > (+CC Ido) > On 15/02/2022 07:13, Jakub Kicinski wrote: > > On Fri, 11 Feb 2022 15:14:26 +0200 Oleksandr Mazur wrote: > >> Whenever bridge driver hits the max capacity of MDBs, it disables > >> the MC processing (by setting corresponding bridge option), but never > >> notifies switchdev about such change (the notifiers are called only upon > >> explicit setting of this option, through the registered netlink interface). > >> > >> This could lead to situation when Software MDB processing gets disabled, > >> but this event never gets offloaded to the underlying Hardware. > >> > >> Fix this by adding a notify message in such case. > > > > Any comments on this one? > > > > We have drivers offloading mdb so presumably this should have a Fixes > > tag and go to net, right? > > The change looks ok, but it'd be nice to get switchdev folks comment as well. > About the tree, -net should be targeted. I think the issue has existed > since mdb disabled could be offloaded, so the tag should be: > > Fixes: 147c1e9b902c ("switchdev: bridge: Offload multicast disabled") LGTM Oleksandr, please mark future patches as net/net-next: https://docs.kernel.org/networking/netdev-FAQ.html#how-do-i-indicate-which-tree-net-vs-net-next-my-patch-should-be-in