On Mon, Apr 02, 2018 at 12:09:44PM -0600, David Ahern wrote: > On 4/2/18 12:03 PM, John Fastabend wrote: > > > > Can the above be a normal BPF helper that returns an > > ifindex? Then something roughly like this patter would > > work for all drivers with redirect support, > > > > > > route_ifindex = ip_route_lookup(__daddr, ....) > > if (!route_ifindex) > > return do_foo() > > return xdp_redirect(route_ifindex); > > > > So my suggestion is, > > > > 1. enable veth xdp (including redirect support) > > 2. add a helper to lookup route from routing table > > > > Alternatively you can skip step (2) and encode the routing > > table in BPF directly. Maybe we need a more efficient data > > structure but that should also work. > > > > That's what I have here: > > https://github.com/dsahern/linux/commit/bab42f158c0925339f7519df7fb2cde8eac33aa8
was wondering what's up with the delay and when are you going to submit them officially... The use case came up several times.
