[ovs-dev] [PATCH dpdk-latest v4] build: Add support for DPDK meson build.
Stokes, Ian
ian.stokes at intel.com
Tue Dec 15 11:27:55 UTC 2020
> On 12/15/20 10:43 AM, Richardson, Bruce wrote:
> >
> >
> >> -----Original Message-----
> >> From: Ilya Maximets <i.maximets at ovn.org>
> >> Sent: Tuesday, December 15, 2020 9:33 AM
> >> To: Tonghao Zhang <xiangxia.m.yue at gmail.com>; Pai G, Sunil
> >> <sunil.pai.g at intel.com>
> >> Cc: ovs dev <dev at openvswitch.org>; Richardson, Bruce
> >> <bruce.richardson at intel.com>; Ilya Maximets <i.maximets at ovn.org>; David
> >> Marchand <david.marchand at redhat.com>; Stokes, Ian
> <ian.stokes at intel.com>
> >> Subject: Re: [ovs-dev] [PATCH dpdk-latest v4] build: Add support for DPDK
> >> meson build.
> >>
> >> On 12/15/20 5:02 AM, Tonghao Zhang wrote:
> >>> On Thu, Sep 3, 2020 at 2:06 AM Sunil Pai G <sunil.pai.g at intel.com>
> >> wrote:
> >>>>
> >>>> Make based build is deprecated in DPDK. Meson based
> >>>> build to be used for future DPDK releases.
> >>>>
> >>>> This updates travis, configure script and documentation
> >>>> for using DPDK Meson with OVS.
> >>>>
> >>>> Tested-at: https://travis-ci.org/github/Sunil-Pai-G/ovs-
> >> copy/builds/723510063
> >>>> Signed-off-by: Sunil Pai G <sunil.pai.g at intel.com>
> >>>> ---
> >>>> v3->v4:
> >>>> - Fix checkpatch errors
> >>>>
> >>>> v2->v3:
> >>>> - Update Documentation for vhost-user
> >>>>
> >>>> v1->v2:
> >>>> - Update Documentation
> >>>> - Simplify the pkg-config parsing script
> >>>> - Rename and move the pkg-config parsing script to python dir
> >>>> - Update travis to:
> >>>> - install DPDK to cached dir
> >>>> - disable DPDK tests
> >>>> - removed fPIC flag for DPDK
> >>>> - removed cross compilation for aarch64
> >>>> ---
> >>>> .travis.yml | 3 ++
> >>>> .travis/linux-build.sh | 39 ++++++++++-----
> >>>> .travis/linux-prepare.sh | 1 +
> >>>> Documentation/intro/install/afxdp.rst | 2 +-
> >>>> Documentation/intro/install/dpdk.rst | 63 ++++++++++++++++++++----
> >>>> Documentation/topics/dpdk/vhost-user.rst | 18 +------
> >>>> acinclude.m4 | 44 +++++++++++------
> >>>> python/automake.mk | 3 +-
> >>>> python/build/pkgcfg.py | 30 +++++++++++
> >>>> 9 files changed, 149 insertions(+), 54 deletions(-)
> >>>> create mode 100644 python/build/pkgcfg.py
> >>>>
> >>>> diff --git a/.travis.yml b/.travis.yml
> >>>> index 3dd5d1d23..a8f9a4d79 100644
> >>>> --- a/.travis.yml
> >>>> +++ b/.travis.yml
> >>>> @@ -27,6 +27,9 @@ addons:
> >>>> - selinux-policy-dev
> >>>> - libunbound-dev
> >>>> - libunwind-dev
> >>>> + - python3-setuptools
> >>>> + - python3-wheel
> >>>> + - ninja-build
> >>>>
> >>>> before_install: ./.travis/${TRAVIS_OS_NAME}-prepare.sh
> >>>>
> >>>> diff --git a/.travis/linux-build.sh b/.travis/linux-build.sh
> >>>> index 817bf24aa..14ef833c9 100755
> >>>> --- a/.travis/linux-build.sh
> >>>> +++ b/.travis/linux-build.sh
> >>>> @@ -85,17 +85,29 @@ function install_dpdk()
> >>>> {
> >>>> local DPDK_VER=$1
> >>>> local VERSION_FILE="dpdk-dir/travis-dpdk-cache-version"
> >>>> + local DPDK_OPTS=""
> >>>> + local DPDK_LIB=""
> >>>>
> >>>> if [ -z "$TRAVIS_ARCH" ] ||
> >>>> [ "$TRAVIS_ARCH" == "amd64" ]; then
> >>>> - TARGET="x86_64-native-linuxapp-gcc"
> >>>> + DPDK_LIB=$(pwd)/dpdk-dir/build/lib/x86_64-linux-gnu
> >>>> elif [ "$TRAVIS_ARCH" == "aarch64" ]; then
> >>>> - TARGET="arm64-armv8a-linuxapp-gcc"
> >>>> + DPDK_LIB=$(pwd)/dpdk-dir/build/lib/aarch64-linux-gnu
> >>>> else
> >>>> echo "Target is unknown"
> >>>> exit 1
> >>>> fi
> >>>>
> >>>> + if [ "$DPDK_SHARED" ]; then
> >>>> + EXTRA_OPTS="$EXTRA_OPTS --with-dpdk=shared"
> >>>> + export LD_LIBRARY_PATH=$DPDK_LIB/:$LD_LIBRARY_PATH
> >>>> + else
> >>>> + EXTRA_OPTS="$EXTRA_OPTS --with-dpdk=static"
> >>>> + fi
> >>>> +
> >>>> + # Export the following path for pkg-config to find the .pc file.
> >>>> + export
> PKG_CONFIG_PATH=$DPDK_LIB/pkgconfig/:$PKG_CONFIG_PATH
> >>>> +
> >>>> if [ "${DPDK_VER##refs/*/}" != "${DPDK_VER}" ]; then
> >>>> # Avoid using cache for git tree build.
> >>>> rm -rf dpdk-dir
> >>>> @@ -108,7 +120,8 @@ function install_dpdk()
> >>>> if [ -f "${VERSION_FILE}" ]; then
> >>>> VER=$(cat ${VERSION_FILE})
> >>>> if [ "${VER}" = "${DPDK_VER}" ]; then
> >>>> - EXTRA_OPTS="${EXTRA_OPTS} --with-dpdk=$(pwd)/dpdk-
> >> dir/build"
> >>>> + # Update the library paths.
> >>>> + sudo ldconfig
> >>>> echo "Found cached DPDK ${VER} build in $(pwd)/dpdk-
> >> dir"
> >>>> return
> >>>> fi
> >>>> @@ -122,16 +135,20 @@ function install_dpdk()
> >>>> pushd dpdk-dir
> >>>> fi
> >>>>
> >>>> - make config CC=gcc T=$TARGET
> >>>> + # Disable building DPDK unit tests. Not needed for OVS build or
> >> tests.
> >>>> + DPDK_OPTS="$DPDK_OPTS -Dtests=false"
> >>>>
> >>>> - if [ "$DPDK_SHARED" ]; then
> >>>> - sed -i '/CONFIG_RTE_BUILD_SHARED_LIB=n/s/=n/=y/' build/.config
> >>>> - export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/$TARGET/lib
> >>>> - fi
> >>>> + # Install DPDK using prefix.
> >>>> + DPDK_OPTS="$DPDK_OPTS --prefix=$(pwd)/build"
> >>>> +
> >>>> + CC=gcc meson $DPDK_OPTS build
> >>>> + ninja -C build
> >>>> + sudo ninja -C build install
> >>>> +
> >>>> + # Update the library paths.
> >>>> + sudo ldconfig
> >>>>
> >>>> - make -j4 CC=gcc EXTRA_CFLAGS='-fPIC'
> >>>> - EXTRA_OPTS="$EXTRA_OPTS --with-dpdk=$(pwd)/build"
> >>>> - echo "Installed DPDK source in $(pwd)"
> >>>> + echo "Installed DPDK source"
> >>>> popd
> >>>> echo "${DPDK_VER}" > ${VERSION_FILE}
> >>>> }
> >>>> diff --git a/.travis/linux-prepare.sh b/.travis/linux-prepare.sh
> >>>> index 71eb347e8..1baa11641 100755
> >>>> --- a/.travis/linux-prepare.sh
> >>>> +++ b/.travis/linux-prepare.sh
> >>>> @@ -22,6 +22,7 @@ cd ..
> >>>>
> >>>> pip3 install --disable-pip-version-check --user flake8 hacking
> >>>> pip3 install --user --upgrade docutils
> >>>> +pip3 install --user 'meson==0.47.1'
> >>>>
> >>>> if [ "$M32" ]; then
> >>>> # Installing 32-bit libraries.
> >>>> diff --git a/Documentation/intro/install/afxdp.rst
> >> b/Documentation/intro/install/afxdp.rst
> >>>> index 3c8f78825..327f2b3df 100644
> >>>> --- a/Documentation/intro/install/afxdp.rst
> >>>> +++ b/Documentation/intro/install/afxdp.rst
> >>>> @@ -396,7 +396,7 @@ PVP using vhostuser device
> >>>> --------------------------
> >>>> First, build OVS with DPDK and AFXDP::
> >>>>
> >>>> - ./configure --enable-afxdp --with-dpdk=<dpdk path>
> >>>> + ./configure --enable-afxdp --with-dpdk=shared|static|<dpdk path>
> >>>> make -j4 && make install
> >>>>
> >>>> Create a vhost-user port from OVS::
> >>>> diff --git a/Documentation/intro/install/dpdk.rst
> >> b/Documentation/intro/install/dpdk.rst
> >>>> index 39544f835..cd7e51c75 100644
> >>>> --- a/Documentation/intro/install/dpdk.rst
> >>>> +++ b/Documentation/intro/install/dpdk.rst
> >>>> @@ -62,6 +62,8 @@ Detailed system requirements can be found at `DPDK
> >> requirements`_.
> >>>> .. _DPDK supported NIC: http://dpdk.org/doc/nics
> >>>> .. _DPDK requirements:
> >> http://dpdk.org/doc/guides/linux_gsg/sys_reqs.html
> >>>>
> >>>> +.. _dpdk-install:
> >>>> +
> >>>> Installing
> >>>> ----------
> >>>>
> >>>> @@ -76,10 +78,31 @@ Install DPDK
> >>>> $ export DPDK_DIR=/usr/src/dpdk-stable-19.11.2
> >>>> $ cd $DPDK_DIR
> >>>>
> >>>> +#. Configure and install DPDK using Meson
> >>>> +
> >>>> + Meson is the preferred tool to build recent DPDK releases
> >>>> + as Make support is deprecated and will be removed from DPDK 20.11.
> >>>> + OVS supports DPDK Meson builds from DPDK 19.11 onwards.
> >>>> +
> >>>> + Build and install the DPDK library::
> >>>> +
> >>>> + $ export DPDK_TARGET=x86_64-native-linuxapp-gcc
> >>>> + $ export DPDK_BUILD=$DPDK_DIR/$DPDK_TARGET
> >>>> + $ meson $DPDK_TARGET
> >>>> + $ ninja -C $DPDK_TARGET
> >>>> + $ sudo ninja -C $DPDK_TARGET install
> >>>> + $ sudo ldconfig
> >>>> +
> >>>> + Detailed information can be found at `DPDK documentation`_.
> >>>> +
> >>>> #. (Optional) Configure DPDK as a shared library
> >>>>
> >>>> - DPDK can be built as either a static library or a shared library.
> >> By
> >>>> - default, it is configured for the former. If you wish to use the
> >> latter, set
> >>>> + When using Meson, DPDK is built both as static and shared library.
> >>>> + So no extra configuration is required in this case.
> >>>> +
> >>>> + In case of Make, DPDK can be built as either a static library or a
> >> shared
> >>>> + library. By default, it is configured for the former. If you wish
> >> to use
> >>>> + the latter, set
> >>>> ``CONFIG_RTE_BUILD_SHARED_LIB=y`` in
> >> ``$DPDK_DIR/config/common_base``.
> >>>>
> >>>> .. note::
> >>>> @@ -87,7 +110,7 @@ Install DPDK
> >>>> Minor performance loss is expected when using OVS with a shared
> >> DPDK
> >>>> library compared to a static DPDK library.
> >>>>
> >>>> -#. Configure and install DPDK
> >>>> +#. Configure and install DPDK using Make
> >>>>
> >>>> Build and install the DPDK library::
> >>>>
> >>>> @@ -97,12 +120,22 @@ Install DPDK
> >>>>
> >>>> #. (Optional) Export the DPDK shared library location
> >>>>
> >>>> - If DPDK was built as a shared library, export the path to this
> >> library for
> >>>> - use when building OVS::
> >>>> + If DPDK was built as a shared library using Make, export the path
> >> to this
> >>>> + library for use when building OVS::
> >>>>
> >>>> $ export LD_LIBRARY_PATH=$DPDK_DIR/x86_64-native-linuxapp-
> >> gcc/lib
> >>>>
> >>>> + In case of Meson, exporting the path to library is not necessary if
> >>>> + the DPDK libraries are system installed. For libraries installed
> >> using
> >>>> + a prefix(assuming $DPDK_INSTALL in the below case), export the path
> >> to this
> >>>> + library and also update the $PKG_CONFIG_PATH for use before
> >> building OVS::
> >>>> +
> >>>> + $ export $DPDK_LIB=$DPDK_INSTALL/lib/x86_64-linux-gnu
> >>>> + $ export LD_LIBRARY_PATH=$DPDK_LIB/:$LD_LIBRARY_PATH
> >>>> + $ export
> PKG_CONFIG_PATH=$DPDK_LIB/pkgconfig/:$PKG_CONFIG_PATH
> >>>> +
> >>>> .. _DPDK sources: http://dpdk.org/rel
> >>>> +.. _DPDK documentation:
> >> https://doc.dpdk.org/guides/linux_gsg/build_dpdk.html
> >>>>
> >>>> Install OVS
> >>>> ~~~~~~~~~~~
> >>>> @@ -121,17 +154,27 @@ has to be configured to build against the DPDK
> >> library (``--with-dpdk``).
> >>>>
> >>>> #. Bootstrap, if required, as described in :ref:`general-
> >> bootstrapping`
> >>>>
> >>>> -#. Configure the package using the ``--with-dpdk`` flag::
> >>>> +#. Configure the package using the ``--with-dpdk`` flag:
> >>>> +
> >>>> + Depending on the tool used to build DPDK and the type of
> >>>> + DPDK library to use, one can configure OVS as follows:
> >>>> +
> >>>> + When DPDK is built using Meson, and OVS must consume DPDK shared
> >> libraries
> >>>> + (also equivalent to leaving --with-dpdk option empty)::
> >>>> +
> >>>> + $ ./configure --with-dpdk=shared
> >>> Hi all
> >>> when I build ovs with --with-dpdk=shared, Compilation is fine, but we
> >>> I launch the ovs:
> >>>
> >>> 41 2020-12-14T10:42:22.964Z|00018|dpdk|INFO|EAL ARGS: ovs-vswitchd -
> a
> >>>
> >>
> 0000:82:00.0,dv_flow_en=1,dv_esw_en=1,l3_vxlan_en=1,dv_xmeta_en=2,repre
> sen
> >> tor=[0-6]
> >>> -c 0xe --huge-dir /dev/hugepages --socket -mem 1024,1024
> >>> --socket-limit 1024,1024.
> >>> 42 2020-12-14T10:42:22.969Z|00019|dpdk|INFO|EAL: Detected 56 lcore(s)
> >>> 43 2020-12-14T10:42:22.969Z|00020|dpdk|INFO|EAL: Detected 2 NUMA
> nodes
> >>> 44 2020-12-14T10:42:22.969Z|00021|dpdk|ERR|EAL: failed to parse device
> >>> "0000:82:00.0"
> >>> 45 2020-12-14T10:42:22.969Z|00022|dpdk|ERR|EAL: Unable to parse
> device
> >>>
> >>
> '0000:82:00.0,dv_flow_en=1,dv_esw_en=1,l3_vxlan_en=1,dv_xmeta_en=2,repr
> ese
> >> ntor=[0-6]'
> >>> 46 2020-12-14T10:42:22.969Z|00023|dpdk|EMER|Unable to initialize
> DPDK:
> >>> No such device
> >>>
> >>> In dpdk:
> >>> eal_plugins_init
> >>> rte_pci_scan
> >>> rte_bus_register
> >>> eal_option_device_parse -- no pci bus
> >>>
> >>> pkg-config is pkgconf-1.4.2
> >>>> + When DPDK is built using Meson, and OVS must consume DPDK static
> >> libraries::
> >>>> +
> >>>> + $ ./configure --with-dpdk=static
> >>> Only one issue, if we use the pkgconfig-0.27
> >>> The ovs log:
> >>> 2020-12-14T11:58:22.622Z|00018|dpdk|INFO|EAL ARGS: ovs-vswitchd -a
> >>>
> >>
> 0000:82:00.0,dv_flow_en=1,dv_esw_en=1,l3_vxlan_en=1,dv_xmeta_en=2,repre
> sen
> >> tor=[0-6]
> >>> -c 0xe --huge-dir /dev/hugepages --socket-mem 1024,1024 --socket-limit
> >>> 1024,1024.
> >>> 2020-12-14T11:58:22.627Z|00019|dpdk|INFO|EAL: Detected 56 lcore(s)
> >>> 2020-12-14T11:58:22.627Z|00020|dpdk|INFO|EAL: Detected 2 NUMA
> nodes
> >>> 2020-12-14T11:58:22.627Z|00021|dpdk|ERR|EAL: failed to parse device
> >>> "0000:82:00.0"
> >>> 2020-12-14T11:58:22.627Z|00022|dpdk|ERR|EAL: Unable to parse device
> >>>
> >>
> '0000:82:00.0,dv_flow_en=1,dv_esw_en=1,l3_vxlan_en=1,dv_xmeta_en=2,repr
> ese
> >> ntor=[0-6]'
> >>> 2020-12-14T11:58:22.627Z|00023|dpdk|EMER|Unable to initialize DPDK:
> No
> >>> such device
> >>>
> >>> Because /bin/pkg-config --static --libs libdpdk
> >>> pkg_cv_DPDK_LIBS='-Wl,--whole-archive -Wl,--no-whole-archive
> >>> -Wl,--as-needed -pthread -L/root/local/dpdk-next-net/lib64
> >>> -l:librte_common_cpt.a -l:librte_common_dpaax.a
> >>> -l:librte_common_iavf.a -l:librte_common_octeontx.a
> >>> -l:librte_common_octeontx2.a -l:librte_common_sfc_efx.a
> >>> -l:librte_bus_dpaa.a -l:librte_bus_fslmc.a -l:librte_bus_ifpga.a
> >>> -l:librte_bus_pci.a -l:librte_bus_vdev.a -l:librte_bus_vmbus.a
> >>> -l:librte_common_mlx5.a -l:librte_common_qat.a
> >>> -l:librte_mempool_bucket.a -l:librte_mempool_dpaa.a
> >>> -l:librte_mempool_dpaa2.a -l:librte_mempool_octeontx.a
> >>> -l:librte_mempool_octeontx2.a -l:librte_mempool_ring.a
> >>> -l:librte_mempool_stack.a -l:librte_net_af_packet.a
> >>> -l:librte_net_ark.a -l:librte_net_atlantic.a -l:librte_net_avp.a
> >>> -l:librte_net_axgbe.a -l:librte_net_bond.a -l:librte_net_bnxt.a
> >>> -l:librte_net_cxgbe.a -l:librte_net_dpaa.a -l:librte_net_dpaa2.a
> >>> -l:librte_net_e1000.a -l:librte_net_ena.a -l:librte_net_enetc.a
> >>> -l:librte_net_enic.a -l:librte_net_failsafe.a -l:librte_net_fm10k.a
> >>> -l:librte_net_i40e.a -l:librte_net_hinic.a -l:librte_net_hns3.a
> >>> -l:librte_net_iavf.a -l:librte_net_ice.a -l:librte_net_igc.a
> >>> -l:librte_net_ixgbe.a -l:librte_net_kni.a -l:librte_net_liquidio.a
> >>> -l:librte_net_memif.a -l:librte_net_mlx5.a -l:librte_net_netvsc.a
> >>> -l:librte_net_nfp.a -l:librte_net_null.a -l:librte_net_octeontx.a
> >>> -l:librte_net_octeontx2.a -l:librte_net_pcap.a -l:librte_net_pfe.a
> >>> -l:librte_net_qede.a -l:librte_net_ring.a -l:librte_net_sfc.a
> >>> -l:librte_net_softnic.a -l:librte_net_thunderx.a -l:librte_net_txgbe.a
> >>> -l:librte_net_vdev_netvsc.a -l:librte_net_vhost.a
> >>> -l:librte_net_virtio.a -l:librte_net_vmxnet3.a
> >>> -l:librte_raw_dpaa2_cmdif.a -l:librte_raw_dpaa2_qdma.a
> >>> -l:librte_raw_ioat.a -l:librte_raw_ntb.a -l:librte_raw_octeontx2_dma.a
> >>> -l:librte_raw_octeontx2_ep.a -l:librte_raw_skeleton.a
> >>> -l:librte_compress_octeontx.a -l:librte_regex_mlx5.a
> >>> -l:librte_regex_octeontx2.a -l:librte_vdpa_ifc.a -l:librte_vdpa_mlx5.a
> >>> -l:librte_baseband_null.a -l:librte_baseband_turbo_sw.a
> >>> -l:librte_baseband_fpga_lte_fec.a -l:librte_baseband_fpga_5gnr_fec.a
> >>> -l:librte_baseband_acc100.a -l:librte_node.a -l:librte_graph.a
> >>> -l:librte_bpf.a -l:librte_flow_classify.a -l:librte_pipeline.a
> >>> -l:librte_table.a -l:librte_port.a -l:librte_fib.a -l:librte_ipsec.a
> >>> -l:librte_vhost.a -l:librte_stack.a -l:librte_security.a
> >>> -l:librte_sched.a -l:librte_reorder.a -l:librte_rib.a
> >>> -l:librte_regexdev.a -l:librte_rawdev.a -l:librte_pdump.a
> >>> -l:librte_power.a -l:librte_member.a -l:librte_lpm.a
> >>> -l:librte_latencystats.a -l:librte_kni.a -l:librte_jobstats.a
> >>> -l:librte_ip_frag.a -l:librte_gso.a -l:librte_gro.a
> >>> -l:librte_eventdev.a -l:librte_efd.a -l:librte_distributor.a
> >>> -l:librte_cryptodev.a -l:librte_compressdev.a -l:librte_cfgfile.a
> >>> -l:librte_bitratestats.a -l:librte_bbdev.a -l:librte_acl.a
> >>> -l:librte_timer.a -l:librte_hash.a -l:librte_metrics.a
> >>> -l:librte_cmdline.a -l:librte_pci.a -l:librte_ethdev.a
> >>> -l:librte_meter.a -l:librte_net.a -l:librte_mbuf.a -l:librte_mempool.a
> >>> -l:librte_rcu.a -l:librte_ring.a -l:librte_eal.a -l:librte_telemetry.a
> >>> -l:librte_kvargs.a -lmlx5 -libverbs -lrte_node -lrte_graph -lrte_bpf
> >>> -lrte_flow_classify -lrte_pipeline -lrte_table -lrte_port -lrte_fib
> >>> -lrte_ipsec -lrte_vhost -lrte_stack -lrte_security -lrte_sched
> >>> -lrte_reorder -lrte_rib -lrte_regexdev -lrte_rawdev -lrte_pdump
> >>> -lrte_power -lrte_member -lrte_lpm -lrte_latencystats -lrte_kni
> >>> -lrte_jobstats -lrte_ip_frag -lrte_gso -lrte_gro -lrte_eventdev
> >>> -lrte_efd -lrte_distributor -lrte_cryptodev -lrte_compressdev
> >>> -lrte_cfgfile -lrte_bitratestats -lrte_bbdev -lrte_acl -lrte_timer
> >>> -lrte_hash -lrte_metrics -lrte_cmdline -lrte_pci -lrte_ethdev
> >>> -lrte_meter -lrte_net -lrte_mbuf -lrte_mempool -lrte_rcu -lrte_ring
> >>> -lrte_eal -lrte_telemetry -lrte_kvargs -lm -ldl -lnuma -lpcap '
> >>>
> >>> Note that:
> >>> -Wl,--whole-archive -Wl,--no-whole-archive (RTE_INIT in dpdk doesn't
> >> work.)
> >>> I guess we dont hope that, It should be:
> >>> -Wl,--whole-archive ...(other -lxxx)... -Wl,--no-whole-archive
> >>>
> >>> update pkg-config to pkgconf-1.4.2
> >>> /bin/pkg-config --static --libs libdpdk
> >>> pkg_cv_DPDK_LIBS='-Wl,--whole-archive
> >>> -L/root/local/dpdk-next-net/lib64 -l:librte_common_cpt.a
> >>> -l:librte_common_dpaax.a -l:librte_common_iavf.a
> >>> -l:librte_common_octeontx.a -l:librte_common_octeontx2.a
> >>> -l:librte_common_sfc_efx.a -l:librte_bus_dpaa.a -l:librte_bus_fslmc.a
> >>> -l:librte_bus_ifpga.a -l:librte_bus_pci.a -l:librte_bus_vdev.a
> >>> -l:librte_bus_vmbus.a -l:librte_common_mlx5.a -l:librte_common_qat.a
> >>> -l:librte_mempool_bucket.a -l:librte_mempool_dpaa.a
> >>> -l:librte_mempool_dpaa2.a -l:librte_mempool_octeontx.a
> >>> -l:librte_mempool_octeontx2.a -l:librte_mempool_ring.a
> >>> -l:librte_mempool_stack.a -l:librte_net_af_packet.a
> >>> -l:librte_net_ark.a -l:librte_net_atlantic.a -l:librte_net_avp.a
> >>> -l:librte_net_axgbe.a -l:librte_net_bond.a -l:librte_net_bnxt.a
> >>> -l:librte_net_cxgbe.a -l:librte_net_dpaa.a -l:librte_net_dpaa2.a
> >>> -l:librte_net_e1000.a -l:librte_net_ena.a -l:librte_net_enetc.a
> >>> -l:librte_net_enic.a -l:librte_net_failsafe.a -l:librte_net_fm10k.a
> >>> -l:librte_net_i40e.a -l:librte_net_hinic.a -l:librte_net_hns3.a
> >>> -l:librte_net_iavf.a -l:librte_net_ice.a -l:librte_net_igc.a
> >>> -l:librte_net_ixgbe.a -l:librte_net_kni.a -l:librte_net_liquidio.a
> >>> -l:librte_net_memif.a -l:librte_net_mlx5.a -l:librte_net_netvsc.a
> >>> -l:librte_net_nfp.a -l:librte_net_null.a -l:librte_net_octeontx.a
> >>> -l:librte_net_octeontx2.a -l:librte_net_pcap.a -l:librte_net_pfe.a
> >>> -l:librte_net_qede.a -l:librte_net_ring.a -l:librte_net_sfc.a
> >>> -l:librte_net_softnic.a -l:librte_net_thunderx.a -l:librte_net_txgbe.a
> >>> -l:librte_net_vdev_netvsc.a -l:librte_net_vhost.a
> >>> -l:librte_net_virtio.a -l:librte_net_vmxnet3.a
> >>> -l:librte_raw_dpaa2_cmdif.a -l:librte_raw_dpaa2_qdma.a
> >>> -l:librte_raw_ioat.a -l:librte_raw_ntb.a -l:librte_raw_octeontx2_dma.a
> >>> -l:librte_raw_octeontx2_ep.a -l:librte_raw_skeleton.a
> >>> -l:librte_compress_octeontx.a -l:librte_regex_mlx5.a
> >>> -l:librte_regex_octeontx2.a -l:librte_vdpa_ifc.a -l:librte_vdpa_mlx5.a
> >>> -l:librte_baseband_null.a -l:librte_baseband_turbo_sw.a
> >>> -l:librte_baseband_fpga_lte_fec.a -l:librte_baseband_fpga_5gnr_fec.a
> >>> -l:librte_baseband_acc100.a -l:librte_node.a -l:librte_graph.a
> >>> -l:librte_bpf.a -l:librte_flow_classify.a -l:librte_pipeline.a
> >>> -l:librte_table.a -l:librte_port.a -l:librte_fib.a -l:librte_ipsec.a
> >>> -l:librte_vhost.a -l:librte_stack.a -l:librte_security.a
> >>> -l:librte_sched.a -l:librte_reorder.a -l:librte_rib.a
> >>> -l:librte_regexdev.a -l:librte_rawdev.a -l:librte_pdump.a
> >>> -l:librte_power.a -l:librte_member.a -l:librte_lpm.a
> >>> -l:librte_latencystats.a -l:librte_kni.a -l:librte_jobstats.a
> >>> -l:librte_ip_frag.a -l:librte_gso.a -l:librte_gro.a
> >>> -l:librte_eventdev.a -l:librte_efd.a -l:librte_distributor.a
> >>> -l:librte_cryptodev.a -l:librte_compressdev.a -l:librte_cfgfile.a
> >>> -l:librte_bitratestats.a -l:librte_bbdev.a -l:librte_acl.a
> >>> -l:librte_timer.a -l:librte_hash.a -l:librte_metrics.a
> >>> -l:librte_cmdline.a -l:librte_pci.a -l:librte_ethdev.a
> >>> -l:librte_meter.a -l:librte_net.a -l:librte_mbuf.a -l:librte_mempool.a
> >>> -l:librte_rcu.a -l:librte_ring.a -l:librte_eal.a -l:librte_telemetry.a
> >>> -l:librte_kvargs.a -Wl,--no-whole-archive -lpcap -lmlx5 -libverbs
> >>> -Wl,--as-needed -lrte_node -lrte_graph -lrte_bpf -lrte_flow_classify
> >>> -lrte_pipeline -lrte_table -lrte_port -lrte_fib -lrte_ipsec
> >>> -lrte_vhost -lrte_stack -lrte_security -lrte_sched -lrte_reorder
> >>> -lrte_rib -lrte_regexdev -lrte_rawdev -lrte_pdump -lrte_power
> >>> -lrte_member -lrte_lpm -lrte_latencystats -lrte_kni -lrte_jobstats
> >>> -lrte_ip_frag -lrte_gso -lrte_gro -lrte_eventdev -lrte_efd
> >>> -lrte_distributor -lrte_cryptodev -lrte_compressdev -lrte_cfgfile
> >>> -lrte_bitratestats -lrte_bbdev -lrte_acl -lrte_timer -lrte_hash
> >>> -lrte_metrics -lrte_cmdline -lrte_pci -lrte_ethdev -lrte_meter
> >>> -lrte_net -lrte_mbuf -lrte_mempool -lrte_rcu -lrte_ring -lrte_eal
> >>> -lrte_telemetry -lrte_kvargs -pthread -lm -ldl -lnuma -lpcap '
> >>>
> >>> ovs works fine.
> >>
> >> Hmm. Thanks for the report.
> >>
> >> It'll be great if you can test this with new version of this patch:
> >> https://patchwork.ozlabs.org/project/openvswitch/patch/1607977825-
> 30877-1-
> >> git-send-email-ian.stokes at intel.com/
> >>
> >> Bruce, David, it looks like not all versions of pkg-config could be used.
> >> Do you know what is the minimal required version or how to protect us from
> >> this kind of issues?
> >>
> >> Best regards, Ilya Maximets.
> >
> > This was just recently flagged to us and discussed on this email thread on
> > the dpdk dev list.
> >
> > http://inbox.dpdk.org/dev/20201029091638.26646-1-getelson@nvidia.com/
> >
> > At the end of the discussion the follow was noted in our docs as a known
> > issue for DPDK.
> >
> > "pkg-config v0.27 supplied with RHEL-7 does not process correctly libdpdk.pc
> Libs.private section."
> >
> > If you have any suggestions as to how we could work around this issue, I'd
> > be very keen to hear them, though unfortunately it does seem to be a bug
> > in pkg-config that is outside of our control.
>
> Thanks for the information. Ugh.
>
> It looks like we need to implement the check in our configure script and abort
> if pkg-config is bad to avoid weired runtime issues due to not linked libs.
>
> Probably, a grep, similar to what is in above dpdk patch, over the
> DPDK_vswitchd_LDFLAGS with some meaningfull error message should do the
> trick.
>
> Ian, what do you think?
Sounds good, Let myself and Sunil take a look at this and send a new v4 with the check.
Regards
Ian
>
> Best regards, Ilya Maximets.
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