[dpdk-dev] [PATCH v3 18/68] net/enic: use contiguous allocation for DMA memory

Anatoly Burakov anatoly.burakov at intel.com
Wed Apr 4 01:21:30 CEST 2018


Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Acked-by: John Daley <johndale at cisco.com>
---

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

 drivers/net/enic/Makefile    | 3 +++
 drivers/net/enic/enic_main.c | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/enic/Makefile b/drivers/net/enic/Makefile
index 7c6c29c..f117c96 100644
--- a/drivers/net/enic/Makefile
+++ b/drivers/net/enic/Makefile
@@ -13,6 +13,9 @@ EXPORT_MAP := rte_pmd_enic_version.map
 
 LIBABIVER := 1
 
+# contiguous memzone reserve API are not yet stable
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
 CFLAGS += -I$(SRCDIR)/base/
 CFLAGS += -I$(SRCDIR)
 CFLAGS += -O3
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 69ad425..d19033e 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -343,7 +343,7 @@ enic_alloc_consistent(void *priv, size_t size,
 	struct enic *enic = (struct enic *)priv;
 	struct enic_memzone_entry *mze;
 
-	rz = rte_memzone_reserve_aligned((const char *)name,
+	rz = rte_memzone_reserve_aligned_contig((const char *)name,
 					 size, SOCKET_ID_ANY, 0, ENIC_ALIGN);
 	if (!rz) {
 		pr_err("%s : Failed to allocate memory requested for %s\n",
@@ -887,7 +887,7 @@ int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
 		 "vnic_cqmsg-%s-%d-%d", enic->bdf_name, queue_idx,
 		instance++);
 
-	wq->cqmsg_rz = rte_memzone_reserve_aligned((const char *)name,
+	wq->cqmsg_rz = rte_memzone_reserve_aligned_contig((const char *)name,
 						   sizeof(uint32_t),
 						   SOCKET_ID_ANY, 0,
 						   ENIC_ALIGN);
-- 
2.7.4


More information about the dev mailing list