--- zzzz-none-000/linux-3.10.107/include/uapi/linux/udp.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/uapi/linux/udp.h	2021-02-04 17:41:59.000000000 +0000
@@ -24,11 +24,13 @@
 	__be16	dest;
 	__be16	len;
 	__sum16	check;
-};
+} __attribute__((packed, aligned(2)));
 
 /* UDP socket options */
 #define UDP_CORK	1	/* Never send partially complete segments */
 #define UDP_ENCAP	100	/* Set the socket to accept encapsulated packets */
+#define UDP_NO_CHECK6_TX 101	/* Disable sending checksum for UDP6X */
+#define UDP_NO_CHECK6_RX 102	/* Disable accpeting checksum for UDP6 */
 
 /* UDP encapsulation types */
 #define UDP_ENCAP_ESPINUDP_NON_IKE	1 /* draft-ietf-ipsec-nat-t-ike-00/01 */