drivers/net/af_xdp/meson.build

   1 # SPDX-License-Identifier: BSD-3-Clause
   2 # Copyright(c) 2019 Intel Corporation
   3
   4 if is_windows
   5     build = false
   6     reason = 'not supported on Windows'
   7     subdir_done()
   8 endif
   9
  10 sources = files('rte_eth_af_xdp.c')
  11
  12 xdp_dep = dependency('libxdp', version : '>=1.2.2', required: false, method: 'pkg-config')
  13 bpf_dep = dependency('libbpf', required: false, method: 'pkg-config')
  14 if not bpf_dep.found()
  15     bpf_dep = cc.find_library('bpf', required: false)
  16 endif
  17
  18 if cc.has_header('linux/if_xdp.h')
  19     if xdp_dep.found() and cc.has_header('xdp/xsk.h')
  20         if bpf_dep.found() and cc.has_header('bpf/bpf.h')
  21             cflags += ['-DRTE_NET_AF_XDP_LIBXDP']
  22             cflags += ['-DRTE_NET_AF_XDP_SHARED_UMEM']
  23             ext_deps += xdp_dep
  24             ext_deps += bpf_dep
  25         else
  26             build = false
  27             reason = 'missing dependency, libbpf'
  28         endif
  29     elif bpf_dep.found() and cc.has_header('bpf/xsk.h') and cc.has_header('bpf/bpf.h')
  30         # libxdp not found. Rely solely on libbpf for xsk functionality
  31         # which is only available in versions <= v0.6.0.
  32         bpf_ver_dep = dependency('libbpf', version : '<=0.6.0',
  33                                  required: false, method: 'pkg-config')
  34         if bpf_ver_dep.found()
  35             ext_deps += bpf_dep
  36             bpf_shumem_ver_dep = dependency('libbpf', version : '>=0.2.0',
  37                             required: false, method: 'pkg-config')
  38             if bpf_shumem_ver_dep.found()
  39                 cflags += ['-DRTE_NET_AF_XDP_SHARED_UMEM']
  40             endif
  41         else
  42             build = false
  43             reason = 'missing dependency, "libxdp" or "libbpf <= v0.6.0"'
  44         endif
  45     else
  46         build = false
  47         reason = 'missing dependency, "libxdp" and "libbpf"'
  48     endif
  49 else
  50     build = false
  51     reason = 'missing header, "linux/if_xdp.h"'
  52 endif