[dpdk-dev] [PATCH v3 19/68] net/i40e: use contiguous allocation for DMA memory

[Anatoly Burakov]

Signed-off-by: Anatoly Burakov <anatoly.bura...@intel.com>
---

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

 drivers/net/i40e/Makefile      | 3 +++
 drivers/net/i40e/i40e_ethdev.c | 2 +-
 drivers/net/i40e/i40e_rxtx.c   | 2 +-
 drivers/net/i40e/meson.build   | 3 +++
 4 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/i40e/Makefile b/drivers/net/i40e/Makefile
index 5663f5b..bbc33b8 100644
--- a/drivers/net/i40e/Makefile
+++ b/drivers/net/i40e/Makefile
@@ -19,6 +19,9 @@ EXPORT_MAP := rte_pmd_i40e_version.map
 
 LIBABIVER := 2
 
+# contiguous memzone reserve API are not yet stable
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
 #
 # Add extra flags for base driver files (also known as shared code)
 # to disable warnings
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index d0bf4e3..6d72726 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -4053,7 +4053,7 @@ i40e_allocate_dma_mem_d(__attribute__((unused)) struct 
i40e_hw *hw,
                return I40E_ERR_PARAM;
 
        snprintf(z_name, sizeof(z_name), "i40e_dma_%"PRIu64, rte_rand());
-       mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY, 0,
+       mz = rte_memzone_reserve_bounded_contig(z_name, size, SOCKET_ID_ANY, 0,
                                         alignment, RTE_PGSIZE_2M);
        if (!mz)
                return I40E_ERR_NO_MEMORY;
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 1217e5a..6b2b40e 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2189,7 +2189,7 @@ i40e_memzone_reserve(const char *name, uint32_t len, int 
socket_id)
        if (mz)
                return mz;
 
-       mz = rte_memzone_reserve_aligned(name, len,
+       mz = rte_memzone_reserve_aligned_contig(name, len,
                                         socket_id, 0, I40E_RING_BASE_ALIGN);
        return mz;
 }
diff --git a/drivers/net/i40e/meson.build b/drivers/net/i40e/meson.build
index 197e611..e418791 100644
--- a/drivers/net/i40e/meson.build
+++ b/drivers/net/i40e/meson.build
@@ -46,3 +46,6 @@ endif
 includes += include_directories('base')
 
 install_headers('rte_pmd_i40e.h')
+
+# contig memzone allocation is not yet part of stable API
+allow_experimental_apis = true
-- 
2.7.4