[PATCH bpf-next v2 5/9] bpf: Add type match support

["Daniel Müller" <deso@posteo.net>]

This change implements the kernel side of the "type matches" support,
just calling the previously added core logic in relo_core.c.

Signed-off-by: Daniel Müller <deso@posteo.net>
---
 kernel/bpf/btf.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index f08037..d06855d 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -7524,6 +7524,15 @@ int bpf_core_types_are_compat(const struct btf *local_btf, __u32 local_id,
 					   MAX_TYPES_ARE_COMPAT_DEPTH);
 }
 
+#define MAX_TYPES_MATCH_DEPTH 2
+
+int bpf_core_types_match(const struct btf *local_btf, u32 local_id,
+			 const struct btf *targ_btf, u32 targ_id)
+{
+	return __bpf_core_types_match(local_btf, local_id, targ_btf, targ_id,
+				      MAX_TYPES_MATCH_DEPTH);
+}
+
 static bool bpf_core_is_flavor_sep(const char *s)
 {
 	/* check X___Y name pattern, where X and Y are not underscores */
-- 
2.30.2