[dpdk-dev] [PATCH v3 15/68] net/bnx2x: use contiguous allocation for DMA memory

Anatoly Burakov anatoly.burakov at intel.com
Wed Apr 4 01:21:27 CEST 2018


Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---

Notes:
    v3:
    - Moved patch earlier in the patchset
    - Allowed experimental API's in the makefile

 drivers/net/bnx2x/Makefile     | 3 +++
 drivers/net/bnx2x/bnx2x.c      | 2 +-
 drivers/net/bnx2x/bnx2x_rxtx.c | 3 ++-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x/Makefile b/drivers/net/bnx2x/Makefile
index 90ff8b1..d9b3ffd 100644
--- a/drivers/net/bnx2x/Makefile
+++ b/drivers/net/bnx2x/Makefile
@@ -17,6 +17,9 @@ EXPORT_MAP := rte_pmd_bnx2x_version.map
 
 LIBABIVER := 1
 
+# contiguous memzone reserve API are not yet stable
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
 ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y)
 CFLAGS += -wd188 #188: enumerated type mixed with another type
 endif
diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index fb02d0f..81f5dae 100644
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -177,7 +177,7 @@ bnx2x_dma_alloc(struct bnx2x_softc *sc, size_t size, struct bnx2x_dma *dma,
 			rte_get_timer_cycles());
 
 	/* Caller must take care that strlen(mz_name) < RTE_MEMZONE_NAMESIZE */
-	z = rte_memzone_reserve_aligned(mz_name, (uint64_t) (size),
+	z = rte_memzone_reserve_aligned_contig(mz_name, (uint64_t)size,
 					SOCKET_ID_ANY,
 					0, align);
 	if (z == NULL) {
diff --git a/drivers/net/bnx2x/bnx2x_rxtx.c b/drivers/net/bnx2x/bnx2x_rxtx.c
index a0d4ac9..325b94d 100644
--- a/drivers/net/bnx2x/bnx2x_rxtx.c
+++ b/drivers/net/bnx2x/bnx2x_rxtx.c
@@ -26,7 +26,8 @@ ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,
 	if (mz)
 		return mz;
 
-	return rte_memzone_reserve_aligned(z_name, ring_size, socket_id, 0, BNX2X_PAGE_SIZE);
+	return rte_memzone_reserve_aligned_contig(z_name, ring_size, socket_id,
+			0, BNX2X_PAGE_SIZE);
 }
 
 static void
-- 
2.7.4


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