*/
#define RTE_KNI_NAMESIZE 32
+#define RTE_CACHE_LINE_MIN_SIZE 64
+
/*
* Request id.
*/
* Padding is necessary to assure the offsets of these fields
*/
struct rte_kni_mbuf {
+ void *buf_addr __attribute__((__aligned__(RTE_CACHE_LINE_SIZE)));
+ char pad0[10];
+ uint16_t data_off; /**< Start address of data in segment buffer. */
+ char pad1[4];
+ 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)));
void *pool;
- void *buf_addr;
- char pad0[14];
- uint16_t ol_flags; /**< Offload features. */
void *next;
- void *data; /**< Start address of data in segment buffer. */
- uint16_t data_len; /**< Amount of data in segment buffer. */
- char pad2[2];
- uint16_t pkt_len; /**< Total pkt len: sum of all segment data_len. */
-} __attribute__((__aligned__(64)));
+};
/*
* Struct used to create a KNI device. Passed to the kernel in IOCTL call