[dpdk-dev] [PATCH v3 22/68] net/vmxnet3: use contiguous allocation for DMA memory

Anatoly Burakov anatoly.burakov at intel.com
Wed Apr 4 01:21:34 CEST 2018


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

Notes:
    v3:
    - Moved patch earlier in the patchset
    - Allowed experimental API in Makefile

 drivers/net/vmxnet3/Makefile         | 3 +++
 drivers/net/vmxnet3/vmxnet3_ethdev.c | 7 ++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/vmxnet3/Makefile b/drivers/net/vmxnet3/Makefile
index 6bfbf01..7f76086 100644
--- a/drivers/net/vmxnet3/Makefile
+++ b/drivers/net/vmxnet3/Makefile
@@ -45,6 +45,9 @@ EXPORT_MAP := rte_pmd_vmxnet3_version.map
 
 LIBABIVER := 1
 
+# contiguous memzone reserve API are not yet stable
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
 #
 # all source are stored in SRCS-y
 #
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index 4260087..3f323a0 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -149,14 +149,15 @@ gpa_zone_reserve(struct rte_eth_dev *dev, uint32_t size,
 	if (!reuse) {
 		if (mz)
 			rte_memzone_free(mz);
-		return rte_memzone_reserve_aligned(z_name, size, socket_id,
-						   0, align);
+		return rte_memzone_reserve_aligned_contig(z_name, size,
+				socket_id, 0, align);
 	}
 
 	if (mz)
 		return mz;
 
-	return rte_memzone_reserve_aligned(z_name, size, socket_id, 0, align);
+	return rte_memzone_reserve_aligned_contig(z_name, size, socket_id, 0,
+			align);
 }
 
 /*
-- 
2.7.4


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