Linking with libbpf v0.8.0 causes deprication warnings. As a temporary measure, prevent linking with libbpf versions v0.8.0 and greater. This limitation should be removed in the future when appropriate compatibility measures are introduced.
Signed-off-by: Ciara Loftus <ciara.lof...@intel.com> --- doc/guides/nics/af_xdp.rst | 3 ++- drivers/net/af_xdp/meson.build | 7 ++----- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/doc/guides/nics/af_xdp.rst b/doc/guides/nics/af_xdp.rst index 56681c8365..46738e089d 100644 --- a/doc/guides/nics/af_xdp.rst +++ b/doc/guides/nics/af_xdp.rst @@ -43,7 +43,8 @@ Prerequisites This is a Linux-specific PMD, thus the following prerequisites apply: * A Linux Kernel (version > v4.18) with XDP sockets configuration enabled; -* Both libxdp >=v1.2.2 and libbpf libraries installed, or, libbpf <=v0.6.0 +* Both libxdp >=v1.2.2 and libbpf <=v0.7.0 libraries installed, or, libbpf + <=v0.6.0. * If using libxdp, it requires an environment variable called LIBXDP_OBJECT_PATH to be set to the location of where libxdp placed its bpf object files. This is usually in /usr/local/lib/bpf or /usr/local/lib64/bpf. diff --git a/drivers/net/af_xdp/meson.build b/drivers/net/af_xdp/meson.build index 1e0de23705..52862e90a1 100644 --- a/drivers/net/af_xdp/meson.build +++ b/drivers/net/af_xdp/meson.build @@ -10,10 +10,7 @@ endif 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 +bpf_dep = dependency('libbpf', version : '<=0.7.0', required: false, method: 'pkg-config') if cc.has_header('linux/if_xdp.h') if xdp_dep.found() and cc.has_header('xdp/xsk.h') @@ -29,7 +26,7 @@ if cc.has_header('linux/if_xdp.h') endif else build = false - reason = 'missing dependency, libbpf' + reason = 'missing dependency, libbpf <= v0.7.0' 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 -- 2.25.1