Re: [PATCH iproute2 -next v2] tc, bpf: finalize eBPF support for cls and act front-end

[Thomas Graf <tgraf@suug.ch>]

On 04/01/15 at 05:57pm, Daniel Borkmann wrote:
> This work finalizes both eBPF front-ends for the classifier and action
> part in tc, it allows for custom ELF section selection, a simplified tc
> command frontend (while keeping compat), reusing of common maps between
> classifier and actions residing in the same object file, and exporting
> of all map fds to an eBPF agent for handing off further control in user
> space.
> 
> It also adds an extensive example of how eBPF can be used, and a minimal
> self-contained example agent that dumps map data. The example is well
> documented and hopefully provides a good starting point into programming
> cls_bpf and act_bpf.
> 
> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
> Cc: Alexei Starovoitov <ast@plumgrid.com>
> Cc: Jiri Pirko <jiri@resnulli.us>
> Cc: Jamal Hadi Salim <jhs@mojatatu.com>

The examples for both the classifier/action and the map fd handover
are very nicely written and help a lot to understand how all of
this works.

FWIW:
Acked-by: Thomas Graf <tgraf@suug.ch>