+ void *buf_addr __attribute__((__aligned__(RTE_CACHE_LINE_SIZE)));
+ uint64_t buf_physaddr;
+ uint16_t data_off; /**< Start address of data in segment buffer. */
+ char pad1[2];
+ uint16_t nb_segs; /**< Number of segments. */
+ char pad4[2];
+ uint64_t ol_flags; /**< Offload features. */
+ char pad2[4];
+ uint32_t pkt_len; /**< Total pkt len: sum of all segment data_len. */
+ uint16_t data_len; /**< Amount of data in segment buffer. */
+
+ /* fields on second cache line */
+ char pad3[8] __attribute__((__aligned__(RTE_CACHE_LINE_MIN_SIZE)));