net/ena: switch memcpy to optimized version

[ upstream commit 142778b ]

memcpy is now mapped to rte_memcpy macro on x86 architectures.

Fixes: 9ba7981 ("ena: add communication layer for DPDK")

Signed-off-by: Igor Chauskin <igorch@amazon.com>
Reviewed-by: Michal Krawczyk <mk@semihalf.com>
Reviewed-by: Artur Rojek <ar@semihalf.com>

drivers/net/ena/base/ena_plat_dpdk.h

@@ -24,6 +24,7 @@
 #include <rte_spinlock.h>
 
 #include <sys/time.h>
+#include <rte_memcpy.h>
 
 typedef uint64_t u64;
 typedef uint32_t u32;
@@ -59,7 +60,11 @@ typedef uint64_t dma_addr_t;
 #define ENA_UDELAY(x) rte_delay_us_block(x)
 
 #define ENA_TOUCH(x) ((void)(x))
-#define memcpy_toio memcpy
+/* Avoid nested declaration on arm64, as it may define rte_memcpy as memcpy. */
+#if defined(RTE_ARCH_X86)
+#undef memcpy
+#define memcpy rte_memcpy
+#endif
 #define wmb rte_wmb
 #define rmb rte_rmb
 #define mb rte_mb