diff --git a/src/tlv_parser.c b/src/tlv_parser.c
new file mode 100644
index 0000000..182c54d
--- /dev/null
+++ b/src/tlv_parser.c
@@ -0,0 +1,25 @@
+#include <openbsc/tlv.h>
+
+int tlv_parse(struct tlv_parser *parser, u_int8_t *data, int data_len)
+{
+	u_int8_t *cur = data;
+	memset(parser, 0, sizeof(*parser));
+
+	while (cur +2 <= data + data_len) {
+		u_int8_t tag, len;
+		u_int8_t *val;
+
+		tag = *cur++;
+		len = *cur++;
+		val = cur;
+
+		parser->lv[tag].len = len;
+		parser->lv[tag].val = val;
+
+		if (cur + len > data + data_len)
+			break;
+
+		cur += len;
+	}
+	return 0;
+}