3 # Copyright 2012-2015 6WIND S.A.
4 # Copyright 2012 Mellanox.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
10 # * Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # * Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in
14 # the documentation and/or other materials provided with the
16 # * Neither the name of 6WIND S.A. nor the names of its
17 # contributors may be used to endorse or promote products derived
18 # from this software without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 include $(RTE_SDK)/mk/rte.vars.mk
35 LIB = librte_pmd_mlx4.a
38 SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4.c
42 CFLAGS += -std=gnu99 -Wall -Wextra
45 CFLAGS += -D_BSD_SOURCE
46 CFLAGS += -D_DEFAULT_SOURCE
47 CFLAGS += -D_XOPEN_SOURCE=600
48 CFLAGS += $(WERROR_FLAGS)
51 # A few warnings cannot be avoided in external headers.
52 CFLAGS += -Wno-error=cast-qual
54 EXPORT_MAP := rte_pmd_mlx4_version.map
57 # DEBUG which is usually provided on the command-line may enable
58 # CONFIG_RTE_LIBRTE_MLX4_DEBUG.
60 CONFIG_RTE_LIBRTE_MLX4_DEBUG := y
63 # User-defined CFLAGS.
64 ifeq ($(CONFIG_RTE_LIBRTE_MLX4_DEBUG),y)
65 CFLAGS += -pedantic -UNDEBUG -DPEDANTIC
67 CFLAGS += -DNDEBUG -UPEDANTIC
70 ifdef CONFIG_RTE_LIBRTE_MLX4_SGE_WR_N
71 CFLAGS += -DMLX4_PMD_SGE_WR_N=$(CONFIG_RTE_LIBRTE_MLX4_SGE_WR_N)
74 ifdef CONFIG_RTE_LIBRTE_MLX4_MAX_INLINE
75 CFLAGS += -DMLX4_PMD_MAX_INLINE=$(CONFIG_RTE_LIBRTE_MLX4_MAX_INLINE)
78 ifdef CONFIG_RTE_LIBRTE_MLX4_TX_MP_CACHE
79 CFLAGS += -DMLX4_PMD_TX_MP_CACHE=$(CONFIG_RTE_LIBRTE_MLX4_TX_MP_CACHE)
82 ifdef CONFIG_RTE_LIBRTE_MLX4_SOFT_COUNTERS
83 CFLAGS += -DMLX4_PMD_SOFT_COUNTERS=$(CONFIG_RTE_LIBRTE_MLX4_SOFT_COUNTERS)
86 include $(RTE_SDK)/mk/rte.lib.mk
88 # Generate and clean-up mlx4_autoconf.h.
90 export CC CFLAGS CPPFLAGS EXTRA_CFLAGS EXTRA_CPPFLAGS
91 export AUTO_CONFIG_CFLAGS = -Wno-error
94 AUTOCONF_OUTPUT := >/dev/null
97 mlx4_autoconf.h.new: FORCE
99 mlx4_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
104 enum IBV_EXP_DEVICE_UD_RSS $(AUTOCONF_OUTPUT)
108 enum IBV_EXP_DEVICE_ATTR_INLINE_RECV_SZ $(AUTOCONF_OUTPUT)
110 HAVE_EXP_QUERY_DEVICE \
112 type 'struct ibv_exp_device_attr' $(AUTOCONF_OUTPUT)
114 HAVE_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
116 enum IBV_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
119 # Create mlx4_autoconf.h or update it in case it differs from the new one.
121 mlx4_autoconf.h: mlx4_autoconf.h.new
123 cmp '$<' '$@' $(AUTOCONF_OUTPUT) || \
126 mlx4.o: mlx4_autoconf.h
129 $Q rm -f -- mlx4_autoconf.h mlx4_autoconf.h.new