[dpdk-dev] [PATCH v4 01/19] net/ena: switch memcpy to dpdk-optimized version
From: Michal Krawczyk <hidden>
Date: 2021-05-11 06:46:20
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Igor Chauskin <redacted>
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 <redacted>
Reviewed-by: Michal Krawczyk <redacted>
Reviewed-by: Artur Rojek <redacted>
---
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