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authorDaniel Müller <deso@posteo.net>2022-05-23 23:04:26 +0000
committerAndrii Nakryiko <andrii@kernel.org>2022-06-02 16:26:33 -0700
commitba5d1b5802d4a732cb563e81ff30b7f514257a99 (patch)
tree1f53ac89fdf96ece712a6c3e733dcfc8cd4dec10 /tools/lib/bpf/libbpf.c
parent1ba5ad36e00f46e3f7676f5de6b87f5a2f57f1f1 (diff)
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libbpf: Introduce libbpf_bpf_link_type_str
This change introduces a new function, libbpf_bpf_link_type_str, to the public libbpf API. The function allows users to get a string representation for a bpf_link_type enum variant. Signed-off-by: Daniel Müller <deso@posteo.net> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Quentin Monnet <quentin@isovalent.com> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20220523230428.3077108-11-deso@posteo.net
Diffstat (limited to 'tools/lib/bpf/libbpf.c')
-rw-r--r--tools/lib/bpf/libbpf.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index fa3987bc9172..5afe4cbd684f 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -118,6 +118,19 @@ static const char * const attach_type_name[] = {
[BPF_TRACE_KPROBE_MULTI] = "trace_kprobe_multi",
};
+static const char * const link_type_name[] = {
+ [BPF_LINK_TYPE_UNSPEC] = "unspec",
+ [BPF_LINK_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
+ [BPF_LINK_TYPE_TRACING] = "tracing",
+ [BPF_LINK_TYPE_CGROUP] = "cgroup",
+ [BPF_LINK_TYPE_ITER] = "iter",
+ [BPF_LINK_TYPE_NETNS] = "netns",
+ [BPF_LINK_TYPE_XDP] = "xdp",
+ [BPF_LINK_TYPE_PERF_EVENT] = "perf_event",
+ [BPF_LINK_TYPE_KPROBE_MULTI] = "kprobe_multi",
+ [BPF_LINK_TYPE_STRUCT_OPS] = "struct_ops",
+};
+
static const char * const map_type_name[] = {
[BPF_MAP_TYPE_UNSPEC] = "unspec",
[BPF_MAP_TYPE_HASH] = "hash",
@@ -9423,6 +9436,14 @@ const char *libbpf_bpf_attach_type_str(enum bpf_attach_type t)
return attach_type_name[t];
}
+const char *libbpf_bpf_link_type_str(enum bpf_link_type t)
+{
+ if (t < 0 || t >= ARRAY_SIZE(link_type_name))
+ return NULL;
+
+ return link_type_name[t];
+}
+
const char *libbpf_bpf_map_type_str(enum bpf_map_type t)
{
if (t < 0 || t >= ARRAY_SIZE(map_type_name))