Hi Daniel and Alexei,

On 07.01.2016 04:53, Alexei Starovoitov wrote:
On Wed, Jan 06, 2016 at 02:00:56AM +0100, Daniel Borkmann wrote:

I decided to extend the sch_ingress module with clsact functionality so
that commonly used code can be reused, the module is being aliased with
sch_clsact so that it can be auto-loaded properly. Alternative would have been
to add a flag when initializing ingress to alter its behaviour plus aliasing
to a different name (as it's more than just ingress). However, the first would
end up, based on the flag, choosing the new/old behaviour by calling different
function implementations to handle each anyway, the latter would require to
register ingress qdisc once again under different alias. So, this really begs
to provide a minimal, cleaner approach to have Qdisc_ops and Qdisc_class_ops
by its own that share callbacks used by both.
...
Signed-off-by: Daniel Borkmann <dan...@iogearbox.net>

we've been going back and forth on the design and this final approach
presented seems to be the best, since pros outweigh the cons.

Acked-by: Alexei Starovoitov <a...@kernel.org>

One question:

With the advance in lockless qdiscs by John Fastabend, is it possible to push the handle_egress hook further down into sched layer?

Bye,
Hannes

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