d5555fc900
Allow users and packagers to override the default RTE_MAX_ETHPORTS. This adds a new meson option, max_ethports which defaults to the current value. Signed-off-by: Chas Williams <3chas3@gmail.com> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
135 lines
4.3 KiB
Meson
135 lines
4.3 KiB
Meson
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2017 Intel Corporation
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# set the machine type and cflags for it
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if meson.is_cross_build()
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machine = host_machine.cpu()
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else
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machine = get_option('machine')
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endif
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# machine type 'default' is special, it defaults to the per arch agreed common
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# minimal baseline needed for DPDK.
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# That might not be the most optimized, but the most portable version while
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# still being able to support the CPU features required for DPDK.
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# This can be bumped up by the DPDK project, but it can never be an
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# invariant like 'native'
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if machine == 'default'
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if host_machine.cpu_family().startswith('x86')
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# matches the old pre-meson build systems default
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machine = 'corei7'
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elif host_machine.cpu_family().startswith('arm')
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machine = 'armv7-a'
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elif host_machine.cpu_family().startswith('aarch')
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# arm64 manages defaults in config/arm/meson.build
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machine = 'default'
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elif host_machine.cpu_family().startswith('ppc')
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machine = 'power8'
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endif
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endif
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dpdk_conf.set('RTE_MACHINE', machine)
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machine_args = []
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# ppc64 does not support -march= at all, use -mcpu and -mtune for that
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if host_machine.cpu_family().startswith('ppc')
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machine_args += '-mcpu=' + machine
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machine_args += '-mtune=' + machine
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else
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machine_args += '-march=' + machine
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endif
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toolchain = cc.get_id()
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dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
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dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
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dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
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add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
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dpdk_extra_ldflags += '-Wl,--no-as-needed'
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# use pthreads
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add_project_link_arguments('-pthread', language: 'c')
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dpdk_extra_ldflags += '-pthread'
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# some libs depend on maths lib
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add_project_link_arguments('-lm', language: 'c')
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dpdk_extra_ldflags += '-lm'
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# for linux link against dl, for bsd execinfo
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if host_machine.system() == 'linux'
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link_lib = 'dl'
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else
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link_lib = 'execinfo'
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endif
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add_project_link_arguments('-l' + link_lib, language: 'c')
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dpdk_extra_ldflags += '-l' + link_lib
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# check for libraries used in multiple places in DPDK
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has_libnuma = 0
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numa_dep = cc.find_library('numa', required: false)
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if numa_dep.found() and cc.has_header('numaif.h')
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dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
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has_libnuma = 1
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add_project_link_arguments('-lnuma', language: 'c')
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dpdk_extra_ldflags += '-lnuma'
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endif
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# check for strlcpy
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if host_machine.system() == 'linux' and cc.find_library('bsd',
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required: false).found() and cc.has_header('bsd/string.h')
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dpdk_conf.set('RTE_USE_LIBBSD', 1)
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add_project_link_arguments('-lbsd', language: 'c')
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dpdk_extra_ldflags += '-lbsd'
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endif
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# add -include rte_config to cflags
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add_project_arguments('-include', 'rte_config.h', language: 'c')
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# enable extra warnings and disable any unwanted warnings
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warning_flags = [
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'-Wsign-compare',
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'-Wcast-qual',
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'-Wno-address-of-packed-member'
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]
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if not dpdk_conf.get('RTE_ARCH_64')
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# for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
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warning_flags += '-Wno-pointer-to-int-cast'
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endif
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foreach arg: warning_flags
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if cc.has_argument(arg)
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add_project_arguments(arg, language: 'c')
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endif
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endforeach
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# set other values pulled from the build options
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dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
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dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
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dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
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dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
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dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
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# values which have defaults which may be overridden
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dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
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dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
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dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
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compile_time_cpuflags = []
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if host_machine.cpu_family().startswith('x86')
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arch_subdir = 'x86'
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elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
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arch_subdir = 'arm'
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elif host_machine.cpu_family().startswith('ppc')
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arch_subdir = 'ppc_64'
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endif
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subdir(arch_subdir)
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dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
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# set the install path for the drivers
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dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
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install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
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# enable VFIO only if it is linux OS
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dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')
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