Add support for parsing PW Ethernet and Enhanced MPLS parsing

src/packet/tcp_utils.h

@@ -262,6 +262,10 @@ static inline void tcp_hdr_set_opt_data(struct tcphdr *hdr, const char *ptr)
     memcpy((char *)hdr + sizeof(struct tcphdr), ptr, tcp_hdr_get_opt_len(hdr));
 }
 
+/******************************************************************************
+ * print
+ ******************************************************************************/
+
 static inline int tcp_hdr_to_str(const struct tcphdr *hdr, char *buf, size_t size)
 {
     memset(buf, 0, size);