else
machine = get_option('machine')
endif
+
+# machine type 'default' is special, it defaults to the per arch agreed common
+# minimal baseline needed for DPDK.
+# That might not be the most optimized, but the most portable version while
+# still being able to support the CPU features required for DPDK.
+# This can be bumped up by the DPDK project, but it can never be an
+# invariant like 'native'
+if machine == 'default'
+ if host_machine.cpu_family().startswith('x86')
+ # matches the old pre-meson build systems default
+ machine = 'corei7'
+ elif host_machine.cpu_family().startswith('arm')
+ machine = 'armv7-a'
+ elif host_machine.cpu_family().startswith('aarch')
+ # arm64 manages defaults in config/arm/meson.build
+ machine = 'default'
+ elif host_machine.cpu_family().startswith('ppc')
+ machine = 'power8'
+ endif
+endif
+
dpdk_conf.set('RTE_MACHINE', machine)
machine_args = []
-# ppc64 does not support -march=native
-if host_machine.cpu_family().startswith('ppc') and machine == 'native'
+
+# ppc64 does not support -march= at all, use -mcpu and -mtune for that
+if host_machine.cpu_family().startswith('ppc')
machine_args += '-mcpu=' + machine
machine_args += '-mtune=' + machine
else
dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
+dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
+
add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
dpdk_extra_ldflags += '-Wl,--no-as-needed'
endif
# check for strlcpy
-if host_machine.system() == 'linux' and cc.find_library('bsd',
- required: false).found() and cc.has_header('bsd/string.h')
- dpdk_conf.set('RTE_USE_LIBBSD', 1)
- add_project_link_arguments('-lbsd', language: 'c')
- dpdk_extra_ldflags += '-lbsd'
+if host_machine.system() == 'linux'
+ libbsd = dependency('libbsd', required: false)
+ if libbsd.found()
+ dpdk_conf.set('RTE_USE_LIBBSD', 1)
+ endif
endif
# add -include rte_config to cflags
'-Wcast-qual',
'-Wno-address-of-packed-member'
]
-if cc.sizeof('void *') == 4
+if not dpdk_conf.get('RTE_ARCH_64')
# for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
warning_flags += '-Wno-pointer-to-int-cast'
endif
# set other values pulled from the build options
dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
+dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
# values which have defaults which may be overridden
dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
+
compile_time_cpuflags = []
if host_machine.cpu_family().startswith('x86')
arch_subdir = 'x86'
dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
+
+# enable VFIO only if it is linux OS
+dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')