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# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2018 6WIND S.A.
# Copyright 2018 Mellanox Technologies, Ltd
if not is_linux
build = false
reason = 'only supported on Linux'
subdir_done()
endif
static_ibverbs = (get_option('ibverbs_link') == 'static')
dlopen_ibverbs = (get_option('ibverbs_link') == 'dlopen')
LIB_GLUE_BASE = 'librte_pmd_mlx4_glue.so'
LIB_GLUE_VERSION = '18.02.0'
LIB_GLUE = LIB_GLUE_BASE + '.' + LIB_GLUE_VERSION
if dlopen_ibverbs
dpdk_conf.set('RTE_IBVERBS_LINK_DLOPEN', 1)
cflags += [
'-DMLX4_GLUE="@0@"'.format(LIB_GLUE),
'-DMLX4_GLUE_VERSION="@0@"'.format(LIB_GLUE_VERSION),
]
endif
libnames = [ 'mlx4', 'ibverbs' ]
libs = []
foreach libname:libnames
lib = dependency('lib' + libname, static:static_ibverbs, required:false)
if not lib.found() and not static_ibverbs
lib = cc.find_library(libname, required:false)
endif
if lib.found()
libs += lib
if not static_ibverbs and not dlopen_ibverbs
ext_deps += lib
endif
else
build = false
reason = 'missing dependency, "' + libname + '"'
subdir_done()
endif
endforeach
if static_ibverbs or dlopen_ibverbs
# Build without adding shared libs to Requires.private
ibv_cflags = run_command(pkgconf, '--cflags', 'libibverbs').stdout()
ext_deps += declare_dependency(compile_args: ibv_cflags.split())
endif
if static_ibverbs
# Add static deps ldflags to internal apps and Libs.private
ibv_ldflags = run_command(ldflags_ibverbs_static, check:true).stdout()
ext_deps += declare_dependency(link_args:ibv_ldflags.split())
endif
sources = files(
'mlx4.c',
'mlx4_ethdev.c',
'mlx4_flow.c',
'mlx4_intr.c',
'mlx4_mp.c',
'mlx4_mr.c',
'mlx4_rxq.c',
'mlx4_rxtx.c',
'mlx4_txq.c',
'mlx4_utils.c',
)
if not dlopen_ibverbs
sources += files('mlx4_glue.c')
endif
cflags_options = [
'-std=c11',
'-Wno-strict-prototypes',
'-D_BSD_SOURCE',
'-D_DEFAULT_SOURCE',
'-D_XOPEN_SOURCE=600'
]
foreach option:cflags_options
if cc.has_argument(option)
cflags += option
endif
endforeach
if get_option('buildtype').contains('debug')
cflags += [ '-pedantic', '-DPEDANTIC' ]
else
cflags += [ '-UPEDANTIC' ]
endif
# To maintain the compatibility with the make build system
# mlx4_autoconf.h file is still generated.
# input array for meson member search:
# [ "MACRO to define if found", "header for the search",
# "symbol to search", "struct member to search" ]
#
has_member_args = [
[ 'HAVE_IBV_MLX4_WQE_LSO_SEG', 'infiniband/mlx4dv.h',
'struct mlx4_wqe_lso_seg', 'mss_hdr_size' ],
]
# input array for meson symbol search:
# [ "MACRO to define if found", "header for the search",
# "symbol to search" ]
has_sym_args = [
[ 'HAVE_IBV_MLX4_BUF_ALLOCATORS', 'infiniband/mlx4dv.h',
'MLX4DV_SET_CTX_ATTR_BUF_ALLOCATORS' ],
[ 'HAVE_IBV_MLX4_UAR_MMAP_OFFSET', 'infiniband/mlx4dv.h',
'MLX4DV_QP_MASK_UAR_MMAP_OFFSET' ],
]
config = configuration_data()
foreach arg:has_sym_args
config.set(arg[0], cc.has_header_symbol(arg[1], arg[2],
dependencies: libs))
endforeach
foreach arg:has_member_args
file_prefix = '#include <' + arg[1] + '>'
config.set(arg[0], cc.has_member(arg[2], arg[3],
prefix: file_prefix, dependencies: libs))
endforeach
configure_file(output : 'mlx4_autoconf.h', configuration : config)
# Build Glue Library
if dlopen_ibverbs
dlopen_name = 'mlx4_glue'
dlopen_lib_name = driver_name_fmt.format(dlopen_name)
dlopen_so_version = LIB_GLUE_VERSION
dlopen_sources = files('mlx4_glue.c')
dlopen_install_dir = [ eal_pmd_path + '-glue' ]
shared_lib = shared_library(
dlopen_lib_name,
dlopen_sources,
include_directories: global_inc,
c_args: cflags,
dependencies: libs,
link_args: [
'-Wl,-export-dynamic',
'-Wl,-h,@0@'.format(LIB_GLUE),
],
soversion: dlopen_so_version,
install: true,
install_dir: dlopen_install_dir,
)
endif
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