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