Re: [PATCH bpf-next v6 1/2] bpf: support BPF_PROG_QUERY for progs attached to sockmap

From: Jakub Sitnicki
Date: Thu Jan 20 2022 - 13:49:40 EST


On Wed, Jan 19, 2022 at 02:40 AM CET, Di Zhu wrote:
> Right now there is no way to query whether BPF programs are
> attached to a sockmap or not.
>
> we can use the standard interface in libbpf to query, such as:
> bpf_prog_query(mapFd, BPF_SK_SKB_STREAM_PARSER, 0, NULL, ...);
> the mapFd is the fd of sockmap.
>
> Signed-off-by: Di Zhu <zhudi2@xxxxxxxxxx>
> Acked-by: Yonghong Song <yhs@xxxxxx>
> ---

Thanks for adding the annotation.

Reviewed-by: Jakub Sitnicki <jakub@xxxxxxxxxxxxxx>