sources = files('rte_eth_af_xdp.c')
+xdp_dep = dependency('libxdp', version : '>=1.2.2', required: false, method: 'pkg-config')
bpf_dep = dependency('libbpf', required: false, method: 'pkg-config')
if not bpf_dep.found()
bpf_dep = cc.find_library('bpf', required: false)
endif
-if bpf_dep.found() and cc.has_header('bpf/xsk.h') and cc.has_header('linux/if_xdp.h')
- ext_deps += bpf_dep
- # check for libbpf shared umem APIs
- bpf_ver_dep = dependency('libbpf', version : '>=0.2.0',
- required: false, method: 'pkg-config')
- if bpf_ver_dep.found()
- dpdk_conf.set('RTE_LIBRTE_AF_XDP_PMD_SHARED_UMEM', 1)
- endif
- # check for libbpf bpf link support
- bpf_link_dep = dependency('libbpf', version : '>=0.4.0',
- required: false, method: 'pkg-config')
- if bpf_link_dep.found()
- dpdk_conf.set('RTE_LIBRTE_AF_XDP_PMD_BPF_LINK', 1)
+if cc.has_header('linux/if_xdp.h')
+ if xdp_dep.found() and cc.has_header('xdp/xsk.h')
+ if bpf_dep.found() and cc.has_header('bpf/bpf.h')
+ cflags += ['-DRTE_NET_AF_XDP_LIBXDP']
+ cflags += ['-DRTE_NET_AF_XDP_SHARED_UMEM']
+ ext_deps += xdp_dep
+ ext_deps += bpf_dep
+ bpf_ver_dep = dependency('libbpf', version : '>=0.7.0',
+ required: false, method: 'pkg-config')
+ if bpf_ver_dep.found()
+ cflags += ['-DRTE_NET_AF_XDP_LIBBPF_OBJ_OPEN']
+ endif
+ else
+ build = false
+ reason = 'missing dependency, libbpf'
+ endif
+ elif bpf_dep.found() and cc.has_header('bpf/xsk.h') and cc.has_header('bpf/bpf.h')
+ # libxdp not found. Rely solely on libbpf for xsk functionality
+ # which is only available in versions <= v0.6.0.
+ bpf_ver_dep = dependency('libbpf', version : '<=0.6.0',
+ required: false, method: 'pkg-config')
+ if bpf_ver_dep.found()
+ ext_deps += bpf_dep
+ bpf_shumem_ver_dep = dependency('libbpf', version : '>=0.2.0',
+ required: false, method: 'pkg-config')
+ if bpf_shumem_ver_dep.found()
+ cflags += ['-DRTE_NET_AF_XDP_SHARED_UMEM']
+ endif
+ else
+ build = false
+ reason = 'missing dependency, "libxdp" or "libbpf <= v0.6.0"'
+ endif
+ else
+ build = false
+ reason = 'missing dependency, "libxdp" and "libbpf"'
endif
else
build = false
- reason = 'missing dependency, "libbpf"'
+ reason = 'missing header, "linux/if_xdp.h"'
endif