Re: [PATCH v7 bpf-next 0/9] introduce support for XDP programs in CPUMAP

Daniel Borkmann
2020-07-16T16:27:16Z

On 7/14/20 5:35 PM, Lorenzo Bianconi wrote:
>> On Tue, Jul 14, 2020 at 6:56 AM Lorenzo Bianconi <lorenzo@kernel.org> wrote:
>>>
>>> Similar to what David Ahern proposed in [1] for DEVMAPs, introduce the
>>> capability to attach and run a XDP program to CPUMAP entries.
>>> The idea behind this feature is to add the possibility to define on which CPU
>>> run the eBPF program if the underlying hw does not support RSS.
>>> I respin patch 1/6 from a previous series sent by David [2].
>>> The functionality has been tested on Marvell Espressobin, i40e and mlx5.
>>> Detailed tests results can be found here:
>>> https://github.com/xdp-project/xdp-project/blob/master/areas/cpumap/cpumap04-map-xdp-prog.org
>>>
>>> Changes since v6:
>>> - rebase on top of bpf-next
>>> - move bpf_cpumap_val and bpf_prog in the first bpf_cpu_map_entry cache-line
>>
>> fyi. I'm waiting on Daniel to do one more look, since he commented in the past.
>
> ack, thx. I have just figured out today that v6 is not applying anymore.

LGTM, I've applied it, thanks!