#include <rte_byteorder.h>
-#define OCTTX_PACKET_WQE_SKIP 128
-#define OCTTX_PACKET_FIRST_SKIP 240
+#define OCTTX_PACKET_WQE_SKIP 128
+#define OCTTX_PACKET_FIRST_SKIP_MAXREGVAL 496
+#define OCTTX_PACKET_FIRST_SKIP_MAXLEN 512
+#define OCTTX_PACKET_FIRST_SKIP_ADJUST(x) \
+ (RTE_MIN(x, OCTTX_PACKET_FIRST_SKIP_MAXREGVAL))
+#define OCTTX_PACKET_FIRST_SKIP_SUM(p) \
+ (OCTTX_PACKET_WQE_SKIP \
+ + rte_pktmbuf_priv_size(p) \
+ + RTE_PKTMBUF_HEADROOM)
+#define OCTTX_PACKET_FIRST_SKIP(p) \
+ OCTTX_PACKET_FIRST_SKIP_ADJUST(OCTTX_PACKET_FIRST_SKIP_SUM(p))
#define OCTTX_PACKET_LATER_SKIP 128
/* WQE descriptor */