On Wed, 2017-04-12 at 14:30 -0700, Stephen Hemminger wrote:
> On Wed, 12 Apr 2017 14:54:15 -0400 (EDT)
> David Miller <davem@xxxxxxxxxxxxx> wrote:
>
> > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > index b0aa089..071a58b 100644
> > --- a/include/linux/netdevice.h
> > +++ b/include/linux/netdevice.h
> > @@ -1891,9 +1891,17 @@ struct net_device {
> > struct lock_class_key *qdisc_tx_busylock;
> > struct lock_class_key *qdisc_running_key;
> > bool proto_down;
> > + struct bpf_prog __rcu *xdp_prog;
>
> It would be good if all devices could reuse this for the xdp_prog pointer.
> It would allow for could be used for introspection utility functions in future.
Problem is that some xdp usages were envisioning a per RX queue xdp
program.
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