On Thu, Oct 14, 2021 at 03:34:33PM +0100, Lorenz Bauer wrote:
> ---
> include/uapi/linux/bpf.h | 60 ++++++++++++++++++++++++++++++++--------
> kernel/bpf/syscall.c | 18 ++++++------
> 2 files changed, 58 insertions(+), 20 deletions(-)
>
> diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
> index d3acd12d98c1..13d126c201ce 100644
> --- a/include/uapi/linux/bpf.h
> +++ b/include/uapi/linux/bpf.h
> @@ -1422,17 +1422,43 @@ union bpf_attr {
> __u32 cpu;
> } test;
>
> - struct { /* anonymous struct used by BPF_*_GET_*_ID */
> - union {
> - __u32 start_id;
> - __u32 prog_id;
> - __u32 map_id;
> - __u32 btf_id;
> - __u32 link_id;
> - };
> - __u32 next_id;
> - __u32 open_flags;
> - };
> + struct { /* used by BPF_PROG_GET_FD_BY_ID command */
> + __u32 id;
> + } prog_get_fd_by_id;
> +
> + struct { /* used by BPF_MAP_GET_FD_BY_ID command */
> + __u32 id;
> + __u32 ingnored;
> + __u32 open_flags;
> + } map_get_fd_by_id;
> +
> + struct { /* used by BPF_BTF_GET_FD_BY_ID command */
> + __u32 id;
> + } btf_get_fd_by_id;
> +
> + struct { /* used by BPF_LINK_GET_FD_BY_ID command */
> + __u32 id;
> + } link_get_fd_by_id;
> +
> + struct { /* used by BPF_PROG_GET_NEXT_ID command */
> + __u32 start_id;
> + __u32 next_id;
> + } prog_get_next_id;
> +
> + struct { /* used by BPF_MAP_GET_NEXT_ID command */
> + __u32 start_id;
> + __u32 next_id;
> + } map_get_next_id;
> +
> + struct { /* used by BPF_BTF_GET_NEXT_ID command */
> + __u32 start_id;
> + __u32 next_id;
> + } btf_get_next_id;
> +
> + struct { /* used by BPF_LINK_GET_NEXT_ID command */
> + __u32 start_id;
> + __u32 next_id;
> + } link_get_next_id;
This one looks like churn though.
