From: Roopa Prabhu <ro...@cumulusnetworks.com> Date: Fri, 20 Jul 2018 13:21:00 -0700
> From: Roopa Prabhu <ro...@cumulusnetworks.com> > > Problem: > In vxlan_newlink, a default fdb entry is added before register_netdev. > The default fdb creation function notifies user-space of the > fdb entry on the vxlan device which user-space does not know about yet. > (RTM_NEWNEIGH goes before RTM_NEWLINK for the same ifindex). > > This series fixes the user-space netlink notification ordering issue > with the following changes: > - decouple fdb notify from fdb create. > - Move fdb notify after register_netdev. > - modify rtnl_configure_link to allow configuring a link early. > - Call rtnl_configure_link in vxlan newlink handler to notify > userspace about the newlink before fdb notify and > hence avoiding the user-space race. > > Fixes: afbd8bae9c79 ("vxlan: add implicit fdb entry for default destination") > Signed-off-by: Roopa Prabhu <ro...@cumulusnetworks.com> Series applied and queued up for -stable, thanks Roopa.