On Tue, Mar 05, 2024 at 12:22 PM -08, Yonghong Song wrote:
> An example output looks like:
> 9: sk_msg prog 108
> map_id 84 attach_type sk_msg_verdict
>
> Signed-off-by: Yonghong Song <yonghong.song@xxxxxxxxx>
> ---
> tools/bpf/bpftool/link.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
> index afde9d0c2ea1..5eb140197d3f 100644
> --- a/tools/bpf/bpftool/link.c
> +++ b/tools/bpf/bpftool/link.c
> @@ -526,6 +526,9 @@ static int show_link_close_json(int fd, struct bpf_link_info *info)
> show_link_ifindex_json(info->netkit.ifindex, json_wtr);
> show_link_attach_type_json(info->netkit.attach_type, json_wtr);
> break;
> + case BPF_LINK_TYPE_SK_MSG:
> + jsonw_uint_field(json_wtr, "map_id", info->skmsg.map_id);
> + show_link_attach_type_json(info->skmsg.attach_type, json_wtr);
Compiler says - missing break.
> case BPF_LINK_TYPE_XDP:
> show_link_ifindex_json(info->xdp.ifindex, json_wtr);
> break;
> @@ -915,6 +918,11 @@ static int show_link_close_plain(int fd, struct bpf_link_info *info)
> show_link_ifindex_plain(info->netkit.ifindex);
> show_link_attach_type_plain(info->netkit.attach_type);
> break;
> + case BPF_LINK_TYPE_SK_MSG:
> + printf("\n\t");
> + printf("map_id %u ", info->skmsg.map_id);
> + show_link_attach_type_plain(info->skmsg.attach_type);
> + break;
> case BPF_LINK_TYPE_XDP:
> printf("\n\t");
> show_link_ifindex_plain(info->xdp.ifindex);
