net/mlx5: spawn rdma-core dependency plug-in

[dpdk.git] / drivers / net / mlx5 / Makefile

diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile
index e7aca04..4b20d71 100644 (file)
--- a/drivers/net/mlx5/Makefile
+++ b/drivers/net/mlx5/Makefile
@@ -33,9 +33,13 @@ include $(RTE_SDK)/mk/rte.vars.mk
 
 # Library name.
 LIB = librte_pmd_mlx5.a
+LIB_GLUE = librte_pmd_mlx5_glue.so
 
 # Sources.
 SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5.c
+ifneq ($(CONFIG_RTE_LIBRTE_MLX5_DLOPEN_DEPS),y)
+SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_glue.c
+endif
 SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_rxq.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_txq.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_rxtx.c
@@ -54,6 +58,10 @@ SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_mr.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_flow.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_socket.c
 
+ifeq ($(CONFIG_RTE_LIBRTE_MLX5_DLOPEN_DEPS),y)
+INSTALL-$(CONFIG_RTE_LIBRTE_MLX5_PMD)-lib += $(LIB_GLUE)
+endif
+
 # Basic CFLAGS.
 CFLAGS += -O3
 CFLAGS += -std=c11 -Wall -Wextra
@@ -64,7 +72,16 @@ CFLAGS += -D_DEFAULT_SOURCE
 CFLAGS += -D_XOPEN_SOURCE=600
 CFLAGS += $(WERROR_FLAGS)
 CFLAGS += -Wno-strict-prototypes
+ifeq ($(CONFIG_RTE_LIBRTE_MLX5_DLOPEN_DEPS),y)
+CFLAGS += -DMLX5_GLUE='"$(LIB_GLUE)"'
+CFLAGS_mlx5_glue.o += -fPIC
+LDLIBS += -ldl
+else
 LDLIBS += -libverbs -lmlx5
+endif
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
+LDLIBS += -lrte_ethdev -lrte_net -lrte_kvargs
+LDLIBS += -lrte_bus_pci
 
 # A few warnings cannot be avoided in external headers.
 CFLAGS += -Wno-error=cast-qual
@@ -89,11 +106,6 @@ ifdef CONFIG_RTE_LIBRTE_MLX5_TX_MP_CACHE
 CFLAGS += -DMLX5_PMD_TX_MP_CACHE=$(CONFIG_RTE_LIBRTE_MLX5_TX_MP_CACHE)
 endif
 
-# Disable false positive warning
-ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y)
-CFLAGS_mlx5_txq.o += -wd3656
-endif
-
 include $(RTE_SDK)/mk/rte.lib.mk
 
 # Generate and clean-up mlx5_autoconf.h.
@@ -144,6 +156,11 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
                /usr/include/linux/ethtool.h \
                enum ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT \
                $(AUTOCONF_OUTPUT)
+       $Q sh -- '$<' '$@' \
+               HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT \
+               infiniband/verbs.h \
+               enum IBV_FLOW_SPEC_ACTION_COUNT \
+               $(AUTOCONF_OUTPUT)
 
 # Create mlx5_autoconf.h or update it in case it differs from the new one.
 
@@ -154,7 +171,23 @@ mlx5_autoconf.h: mlx5_autoconf.h.new
 
 $(SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD):.c=.o): mlx5_autoconf.h
 
+# Generate dependency plug-in for rdma-core when the PMD must not be linked
+# directly, so that applications do not inherit this dependency.
+
+ifeq ($(CONFIG_RTE_LIBRTE_MLX5_DLOPEN_DEPS),y)
+
+$(LIB): $(LIB_GLUE)
+
+$(LIB_GLUE): mlx5_glue.o
+       $Q $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) \
+               -s -shared -o $@ $< -libverbs -lmlx5
+
+mlx5_glue.o: mlx5_autoconf.h
+
+endif
+
 clean_mlx5: FORCE
        $Q rm -f -- mlx5_autoconf.h mlx5_autoconf.h.new
+       $Q rm -f -- mlx5_glue.o $(LIB_GLUE)
 
 clean: clean_mlx5