5a9b8e2c1a
Add a simple test for bpf link iterator Signed-off-by: Dmitrii Dolgov <9erthalion6@gmail.com> Link: https://lore.kernel.org/r/20220510155233.9815-5-9erthalion6@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
22 lines
439 B
C
22 lines
439 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2022 Red Hat, Inc. */
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#include "bpf_iter.h"
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#include <bpf/bpf_helpers.h>
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char _license[] SEC("license") = "GPL";
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SEC("iter/bpf_link")
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int dump_bpf_link(struct bpf_iter__bpf_link *ctx)
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{
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struct seq_file *seq = ctx->meta->seq;
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struct bpf_link *link = ctx->link;
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int link_id;
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if (!link)
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return 0;
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link_id = link->id;
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bpf_seq_write(seq, &link_id, sizeof(link_id));
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return 0;
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}
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