+/**
+ * @internal when c11 memory model enabled use c11 atomic memory barrier.
+ * when under non c11 memory model use rte_smp_* memory barrier.
+ *
+ * @param src
+ * Pointer to the source data.
+ * @param dst
+ * Pointer to the destination data.
+ * @param value
+ * Data value.
+ */
+#ifdef RTE_USE_C11_MEM_MODEL
+#define __KNI_LOAD_ACQUIRE(src) ({ \
+ __atomic_load_n((src), __ATOMIC_ACQUIRE); \
+ })
+#define __KNI_STORE_RELEASE(dst, value) do { \
+ __atomic_store_n((dst), value, __ATOMIC_RELEASE); \
+ } while(0)
+#else
+#define __KNI_LOAD_ACQUIRE(src) ({ \
+ typeof (*(src)) val = *(src); \
+ rte_smp_rmb(); \
+ val; \
+ })
+#define __KNI_STORE_RELEASE(dst, value) do { \
+ *(dst) = value; \
+ rte_smp_wmb(); \
+ } while(0)
+#endif
+