[PATCH 2/3] mempool: introduce ring mempool driver

[Shreyansh Jain <shreyansh.jain@nxp.com>]

Moved from lib/librte_mempool, ring mempool is now an independent
driver.
Shared builds would now need to add librte_mempool_ring for:
* ring_mp_mc
* ring_sp_sc
* ring_sp_mc
* ring_mp_sc

Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---
 MAINTAINERS                                        |  1 +
 config/common_base                                 |  5 +++
 drivers/Makefile                                   |  1 +
 drivers/mempool/Makefile                           | 39 ++++++++++++++++++
 drivers/mempool/ring/Makefile                      | 48 ++++++++++++++++++++++
 .../mempool/ring}/rte_mempool_ring.c               |  0
 drivers/mempool/ring/rte_mempool_ring_version.map  |  4 ++
 lib/librte_mempool/Makefile                        |  1 -
 mk/rte.app.mk                                      |  1 +
 9 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 drivers/mempool/Makefile
 create mode 100644 drivers/mempool/ring/Makefile
 rename {lib/librte_mempool => drivers/mempool/ring}/rte_mempool_ring.c (100%)
 create mode 100644 drivers/mempool/ring/rte_mempool_ring_version.map

diff --git a/MAINTAINERS b/MAINTAINERS
index 4cb6e49..403d0dd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -211,6 +211,7 @@ Core Libraries
 Memory pool
 M: Olivier Matz <olivier.matz@6wind.com>
 F: lib/librte_mempool/
+F: drivers/mempool/ring
 F: doc/guides/prog_guide/mempool_lib.rst
 F: test/test/test_mempool*
 F: test/test/test_func_reentrancy.c
diff --git a/config/common_base b/config/common_base
index 2d54ddf..9acd557 100644
--- a/config/common_base
+++ b/config/common_base
@@ -461,6 +461,11 @@ CONFIG_RTE_MEMPOOL_CACHE_MAX_SIZE=512
 CONFIG_RTE_LIBRTE_MEMPOOL_DEBUG=n
 
 #
+# Compile Mempool drivers
+#
+CONFIG_RTE_DRIVER_MEMPOOL_RING=y
+
+#
 # Compile librte_mbuf
 #
 CONFIG_RTE_LIBRTE_MBUF=y
diff --git a/drivers/Makefile b/drivers/Makefile
index 81c03a8..193056b 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -31,6 +31,7 @@
 
 include $(RTE_SDK)/mk/rte.vars.mk
 
+DIRS-y += mempool
 DIRS-y += net
 DIRS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += crypto
 
diff --git a/drivers/mempool/Makefile b/drivers/mempool/Makefile
new file mode 100644
index 0000000..6a8a1da
--- /dev/null
+++ b/drivers/mempool/Makefile
@@ -0,0 +1,39 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2017 NXP. All rights reserved.
+#   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 $(RTE_SDK)/mk/rte.vars.mk
+
+core-libs := librte_eal librte_mempool librte_ring
+
+DIRS-$(CONFIG_RTE_DRIVER_MEMPOOL_RING) += ring
+DEPDIRS-ring = $(core-libs)
+
+include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/mempool/ring/Makefile b/drivers/mempool/ring/Makefile
new file mode 100644
index 0000000..54630d9
--- /dev/null
+++ b/drivers/mempool/ring/Makefile
@@ -0,0 +1,48 @@
+#   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_ring.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+EXPORT_MAP := rte_mempool_ring_version.map
+
+LIBABIVER := 1
+
+SRCS-$(CONFIG_RTE_DRIVER_MEMPOOL_RING) += rte_mempool_ring.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/lib/librte_mempool/rte_mempool_ring.c b/drivers/mempool/ring/rte_mempool_ring.c
similarity index 100%
rename from lib/librte_mempool/rte_mempool_ring.c
rename to drivers/mempool/ring/rte_mempool_ring.c
diff --git a/drivers/mempool/ring/rte_mempool_ring_version.map b/drivers/mempool/ring/rte_mempool_ring_version.map
new file mode 100644
index 0000000..8591cc0
--- /dev/null
+++ b/drivers/mempool/ring/rte_mempool_ring_version.map
@@ -0,0 +1,4 @@
+DPDK_17.05 {
+
+	local: *;
+};
diff --git a/lib/librte_mempool/Makefile b/lib/librte_mempool/Makefile
index 96b6ca2..efd4383 100644
--- a/lib/librte_mempool/Makefile
+++ b/lib/librte_mempool/Makefile
@@ -43,7 +43,6 @@ LIBABIVER := 2
 # all source are stored in SRCS-y
 SRCS-$(CONFIG_RTE_LIBRTE_MEMPOOL) +=  rte_mempool.c
 SRCS-$(CONFIG_RTE_LIBRTE_MEMPOOL) +=  rte_mempool_ops.c
-SRCS-$(CONFIG_RTE_LIBRTE_MEMPOOL) +=  rte_mempool_ring.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 62a2a1a..5ebb6ec 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -101,6 +101,7 @@ _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-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET)  += -lrte_pmd_af_packet
 _LDLIBS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD)      += -lrte_pmd_bnx2x -lz
-- 
2.7.4