Re: [PATCH v3 bpf-next 08/11] libbpf: add libbpf support to batch ops

[Andrii Nakryiko]

On Wed, Dec 11, 2019 at 2:35 PM Brian Vazquez <brianvv@xxxxxxxxxx> wrote:
>
> From: Yonghong Song <yhs@xxxxxx>
>
> Added four libbpf API functions to support map batch operations:
>   . int bpf_map_delete_batch( ... )
>   . int bpf_map_lookup_batch( ... )
>   . int bpf_map_lookup_and_delete_batch( ... )
>   . int bpf_map_update_batch( ... )
>
> Signed-off-by: Yonghong Song <yhs@xxxxxx>
> ---

These libbpf APIs should use _opts approach from the get go to make
them extensible, but preserving backwards/forward compatibility.
Please take a look at one of few that are already using them (or
follow Andrey's bpf_prog_attach work, as he's adding opts-based one at
the moment).

>  tools/lib/bpf/bpf.c      | 61 ++++++++++++++++++++++++++++++++++++++++
>  tools/lib/bpf/bpf.h      | 14 +++++++++
>  tools/lib/bpf/libbpf.map |  4 +++
>  3 files changed, 79 insertions(+)
>

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