[dpdk-dev] [PATCH v3 16/68] net/cxgbe: use contiguous allocation for DMA memory

Anatoly Burakov anatoly.burakov at intel.com
Wed Apr 4 01:21:28 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/cxgbe/Makefile | 3 +++
 drivers/net/cxgbe/sge.c    | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/cxgbe/Makefile b/drivers/net/cxgbe/Makefile
index 8fba1a5..0042f5e 100644
--- a/drivers/net/cxgbe/Makefile
+++ b/drivers/net/cxgbe/Makefile
@@ -18,6 +18,9 @@ EXPORT_MAP := rte_pmd_cxgbe_version.map
 
 LIBABIVER := 1
 
+# contiguous memzone reserve API are not yet stable
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
 ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y)
 #
 # CFLAGS for icc
diff --git a/drivers/net/cxgbe/sge.c b/drivers/net/cxgbe/sge.c
index 83e26d0..0cd3e56 100644
--- a/drivers/net/cxgbe/sge.c
+++ b/drivers/net/cxgbe/sge.c
@@ -1344,7 +1344,8 @@ static void *alloc_ring(size_t nelem, size_t elem_size,
 	 * handle the maximum ring size is allocated in order to allow for
 	 * resizing in later calls to the queue setup function.
 	 */
-	tz = rte_memzone_reserve_aligned(z_name, len, socket_id, 0, 4096);
+	tz = rte_memzone_reserve_aligned_contig(z_name, len, socket_id, 0,
+			4096);
 	if (!tz)
 		return NULL;
 
-- 
2.7.4


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