+/**
+ * enum for the tx_offload bit-fields lengths and offsets.
+ * defines the layout of rte_mbuf tx_offload field.
+ */
+enum {
+ RTE_MBUF_L2_LEN_BITS = 7,
+ RTE_MBUF_L3_LEN_BITS = 9,
+ RTE_MBUF_L4_LEN_BITS = 8,
+ RTE_MBUF_TSO_SEGSZ_BITS = 16,
+ RTE_MBUF_OUTL3_LEN_BITS = 9,
+ RTE_MBUF_OUTL2_LEN_BITS = 7,
+ RTE_MBUF_TXOFLD_UNUSED_BITS = sizeof(uint64_t) * CHAR_BIT -
+ RTE_MBUF_L2_LEN_BITS -
+ RTE_MBUF_L3_LEN_BITS -
+ RTE_MBUF_L4_LEN_BITS -
+ RTE_MBUF_TSO_SEGSZ_BITS -
+ RTE_MBUF_OUTL3_LEN_BITS -
+ RTE_MBUF_OUTL2_LEN_BITS,
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ RTE_MBUF_L2_LEN_OFS =
+ sizeof(uint64_t) * CHAR_BIT - RTE_MBUF_L2_LEN_BITS,
+ RTE_MBUF_L3_LEN_OFS = RTE_MBUF_L2_LEN_OFS - RTE_MBUF_L3_LEN_BITS,
+ RTE_MBUF_L4_LEN_OFS = RTE_MBUF_L3_LEN_OFS - RTE_MBUF_L4_LEN_BITS,
+ RTE_MBUF_TSO_SEGSZ_OFS = RTE_MBUF_L4_LEN_OFS - RTE_MBUF_TSO_SEGSZ_BITS,
+ RTE_MBUF_OUTL3_LEN_OFS =
+ RTE_MBUF_TSO_SEGSZ_OFS - RTE_MBUF_OUTL3_LEN_BITS,
+ RTE_MBUF_OUTL2_LEN_OFS =
+ RTE_MBUF_OUTL3_LEN_OFS - RTE_MBUF_OUTL2_LEN_BITS,
+ RTE_MBUF_TXOFLD_UNUSED_OFS =
+ RTE_MBUF_OUTL2_LEN_OFS - RTE_MBUF_TXOFLD_UNUSED_BITS,
+#else
+ RTE_MBUF_L2_LEN_OFS = 0,
+ RTE_MBUF_L3_LEN_OFS = RTE_MBUF_L2_LEN_OFS + RTE_MBUF_L2_LEN_BITS,
+ RTE_MBUF_L4_LEN_OFS = RTE_MBUF_L3_LEN_OFS + RTE_MBUF_L3_LEN_BITS,
+ RTE_MBUF_TSO_SEGSZ_OFS = RTE_MBUF_L4_LEN_OFS + RTE_MBUF_L4_LEN_BITS,
+ RTE_MBUF_OUTL3_LEN_OFS =
+ RTE_MBUF_TSO_SEGSZ_OFS + RTE_MBUF_TSO_SEGSZ_BITS,
+ RTE_MBUF_OUTL2_LEN_OFS =
+ RTE_MBUF_OUTL3_LEN_OFS + RTE_MBUF_OUTL3_LEN_BITS,
+ RTE_MBUF_TXOFLD_UNUSED_OFS =
+ RTE_MBUF_OUTL2_LEN_OFS + RTE_MBUF_OUTL2_LEN_BITS,
+#endif
+};
+