On Sun, Jan 07, 2018 at 10:20:11AM -0700, David Ahern wrote: > One of many follow on changes that would be beneficial is to remove the > idev dereference in the hot path to check the > ignore_routes_with_linkdown sysctl.
When a netdev loses its carrier we can set the RTNH_F_DEAD flag for all the nexthops using it as their nexthop device, in case the sysctl is set. Similarly, when the sysctl is toggled we can walk the routing tables and toggle the flag where appropriate. You have a different idea? Thanks for reviewing!