| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | /* Copyright (c) 2022 Red Hat, Inc. */ |
| 3 | #include "bpf_iter.h" |
| 4 | #include <bpf/bpf_helpers.h> |
| 5 | |
| 6 | char _license[] SEC("license") = "GPL"; |
| 7 | |
| 8 | SEC("iter/bpf_link") |
| 9 | int dump_bpf_link(struct bpf_iter__bpf_link *ctx) |
| 10 | { |
| 11 | struct seq_file *seq = ctx->meta->seq; |
| 12 | struct bpf_link *link = ctx->link; |
| 13 | int link_id; |
| 14 | |
| 15 | if (!link) |
| 16 | return 0; |
| 17 | |
| 18 | link_id = link->id; |
| 19 | bpf_seq_write(seq, &link_id, sizeof(link_id)); |
| 20 | return 0; |
| 21 | } |
| 22 |