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From: Michal Krawczyk <mk@semihalf.com>
To: ferruh.yigit@intel.com
Cc: dev@dpdk.org, ndagan@amazon.com, gtzalik@amazon.com, igorch@amazon.com,
upstream@semihalf.com, stable@dpdk.org, Michal Krawczyk <mk@semihalf.com>,
Artur Rojek <ar@semihalf.com>
Date: Tue, 11 May 2021 08:45:36 +0200
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Subject: [dpdk-dev] [PATCH v4 01/19] net/ena: switch memcpy to
dpdk-optimized version
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From: Igor Chauskin <igorch@amazon.com>
memcpy is now mapped to rte_memcpy macro on x86 architectures.
Fixes: 9ba7981ec992 ("ena: add communication layer for DPDK")
Cc: stable@dpdk.org
Signed-off-by: Igor Chauskin <igorch@amazon.com>
Reviewed-by: Michal Krawczyk <mk@semihalf.com>
Reviewed-by: Artur Rojek <ar@semihalf.com>
---
v4:
* Add release notes
v2:
* Fix nested declaration of the rte_memcpy on arm64 architecture.
doc/guides/rel_notes/release_21_05.rst | 7 +++++++
drivers/net/ena/base/ena_plat_dpdk.h | 7 ++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/doc/guides/rel_notes/release_21_05.rst b/doc/guides/rel_notes/release_21_05.rst
index 30dec1c1d1..eb1107729a 100644
--- a/doc/guides/rel_notes/release_21_05.rst
+++ b/doc/guides/rel_notes/release_21_05.rst
@@ -202,6 +202,13 @@ New Features
Added packed ring support for async vhost.
+* **Updated Amazon ENA PMD.**
+
+ The new driver version (v2.3.0) introduces bug fixes and improvements,
+ including:
+
+ * Changed memcpy mapping to the dpdk-optimized version.
+
* **Added support of multiple data-units in cryptodev API.**
The cryptodev library has been enhanced to allow operations on multiple
diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h
index a1d749f83f..ae68f860a5 100644
--- a/drivers/net/ena/base/ena_plat_dpdk.h
+++ b/drivers/net/ena/base/ena_plat_dpdk.h
@@ -25,6 +25,7 @@
#include <rte_spinlock.h>
#include <sys/time.h>
+#include <rte_memcpy.h>
typedef uint64_t u64;
typedef uint32_t u32;
@@ -62,7 +63,11 @@ 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
--
2.25.1