libbpf: Introduce libbpf_bpf_attach_type_str

This change introduces a new function, libbpf_bpf_attach_type_str, to
the public libbpf API. The function allows users to get a string
representation for a bpf_attach_type variant.

Signed-off-by: Daniel Müller <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Acked-by: Quentin Monnet <[email protected]>
Acked-by: Yonghong Song <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]

1 files changed, 9 insertions, 0 deletions

diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 6c5b077351c6..37a234b141c6 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -52,6 +52,15 @@ enum libbpf_errno {
 LIBBPF_API int libbpf_strerror(int err, char *buf, size_t size);
 
 /**
+ * @brief **libbpf_bpf_attach_type_str()** converts the provided attach type
+ * value into a textual representation.
+ * @param t The attach type.
+ * @return Pointer to a static string identifying the attach type. NULL is
+ * returned for unknown **bpf_attach_type** values.
+ */
+LIBBPF_API const char *libbpf_bpf_attach_type_str(enum bpf_attach_type t);
+
+/**
  * @brief **libbpf_bpf_map_type_str()** converts the provided map type value
  * into a textual representation.
  * @param t The map type.