#include <linux/if_ether.h>
#include <linux/if_vlan.h>
+#include <linux/ip.h>
#include <linux/filter.h>
#ifdef __KERNEL__
#include <linux/in.h>
#define OFF_NEXT 6
#define OFF_UDP_DST 2
+#define OFF_PTP_SOURCE_UUID 22 /* PTPv1 only */
+#define OFF_PTP_SEQUENCE_ID 30
+#define OFF_PTP_CONTROL 32 /* PTPv1 only */
+
+#define IPV4_HLEN(data) (((struct iphdr *)(data + OFF_IHL))->ihl << 2)
+
#define IP6_HLEN 40
#define UDP_HLEN 8