[dpdk-dev] [PATCH 3/3] mempool: introduce stack mempool driver

Shreyansh Jain shreyansh.jain at nxp.com
Fri Mar 31 07:29:18 CEST 2017


Moved from lib/librte_mempool, stack mempool handler is an independent
driver.
Shared builds would now require to link in librte_mempool_stack for
"stack" mempool handler.

Signed-off-by: Shreyansh Jain <shreyansh.jain at nxp.com>
---
 MAINTAINERS                                        |  1 +
 config/common_base                                 |  1 +
 drivers/mempool/Makefile                           |  2 +
 drivers/mempool/stack/Makefile                     | 51 ++++++++++++++++++++++
 .../mempool/stack}/rte_mempool_stack.c             |  0
 .../mempool/stack/rte_mempool_stack_version.map    |  4 ++
 lib/librte_mempool/Makefile                        |  1 -
 mk/rte.app.mk                                      |  1 +
 8 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 drivers/mempool/stack/Makefile
 rename {lib/librte_mempool => drivers/mempool/stack}/rte_mempool_stack.c (100%)
 create mode 100644 drivers/mempool/stack/rte_mempool_stack_version.map

diff --git a/MAINTAINERS b/MAINTAINERS
index 403d0dd..bd402d1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -211,6 +211,7 @@ Core Libraries
 Memory pool
 M: Olivier Matz <olivier.matz at 6wind.com>
 F: lib/librte_mempool/
+F: drivers/mempool/stack
 F: drivers/mempool/ring
 F: doc/guides/prog_guide/mempool_lib.rst
 F: test/test/test_mempool*
diff --git a/config/common_base b/config/common_base
index 9acd557..41191c8 100644
--- a/config/common_base
+++ b/config/common_base
@@ -464,6 +464,7 @@ CONFIG_RTE_LIBRTE_MEMPOOL_DEBUG=n
 # Compile Mempool drivers
 #
 CONFIG_RTE_DRIVER_MEMPOOL_RING=y
+CONFIG_RTE_DRIVER_MEMPOOL_STACK=y
 
 #
 # Compile librte_mbuf
diff --git a/drivers/mempool/Makefile b/drivers/mempool/Makefile
index 6a8a1da..0c6c45c 100644
--- a/drivers/mempool/Makefile
+++ b/drivers/mempool/Makefile
@@ -35,5 +35,7 @@ core-libs := librte_eal librte_mempool librte_ring
 
 DIRS-$(CONFIG_RTE_DRIVER_MEMPOOL_RING) += ring
 DEPDIRS-ring = $(core-libs)
+DIRS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK) += stack
+DEPDIRS-stack = $(core-libs)
 
 include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/mempool/stack/Makefile b/drivers/mempool/stack/Makefile
new file mode 100644
index 0000000..8f3125c
--- /dev/null
+++ b/drivers/mempool/stack/Makefile
@@ -0,0 +1,51 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2017 NXP.
+#   All rights reserved.
+#
+#   Redistribution and use in source and binary forms, with or without
+#   modification, are permitted provided that the following conditions
+#   are met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in
+#       the documentation and/or other materials provided with the
+#       distribution.
+#     * Neither the name of NXP nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_mempool_stack.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+# Headers
+CFLAGS += -I$(RTE_SDK)/lib/librte_mempool
+
+EXPORT_MAP := rte_mempool_stack_version.map
+
+LIBABIVER := 1
+
+SRCS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK) += rte_mempool_stack.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/lib/librte_mempool/rte_mempool_stack.c b/drivers/mempool/stack/rte_mempool_stack.c
similarity index 100%
rename from lib/librte_mempool/rte_mempool_stack.c
rename to drivers/mempool/stack/rte_mempool_stack.c
diff --git a/drivers/mempool/stack/rte_mempool_stack_version.map b/drivers/mempool/stack/rte_mempool_stack_version.map
new file mode 100644
index 0000000..8591cc0
--- /dev/null
+++ b/drivers/mempool/stack/rte_mempool_stack_version.map
@@ -0,0 +1,4 @@
+DPDK_17.05 {
+
+	local: *;
+};
diff --git a/lib/librte_mempool/Makefile b/lib/librte_mempool/Makefile
index efd4383..7b5bdfe 100644
--- a/lib/librte_mempool/Makefile
+++ b/lib/librte_mempool/Makefile
@@ -43,7 +43,6 @@ LIBABIVER := 2
 # all source are stored in SRCS-y
 SRCS-$(CONFIG_RTE_LIBRTE_MEMPOOL) +=  rte_mempool.c
 SRCS-$(CONFIG_RTE_LIBRTE_MEMPOOL) +=  rte_mempool_ops.c
-SRCS-$(CONFIG_RTE_LIBRTE_MEMPOOL) +=  rte_mempool_stack.c
 # install includes
 SYMLINK-$(CONFIG_RTE_LIBRTE_MEMPOOL)-include := rte_mempool.h
 
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 5ebb6ec..336e448 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -102,6 +102,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_REORDER)        += -lrte_reorder
 ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),n)
 # plugins (link only if static libraries)
 _LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_RING)   += -lrte_mempool_ring
+_LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK)  += -lrte_mempool_stack
 
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET)  += -lrte_pmd_af_packet
 _LDLIBS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD)      += -lrte_pmd_bnx2x -lz
-- 
2.7.4



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