dpdk: Update to use DPDK v20.11.

This commit adds support for DPDK v20.11, it includes the following
changes.

1. travis: Remove explicit DPDK kmods configuration.
2. sparse: Fix build with 20.05 DPDK tracepoints.
3. netdev-dpdk: Remove experimental API flag.

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=173216&state=*

4. sparse: Update to DPDK 20.05 trace point header.

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=179604&state=*

5. sparse: Fix build with DPDK 20.08.

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=200181&state=*

6. build: Add support for DPDK meson build.

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=199138&state=*

7. netdev-dpdk: Remove usage of RTE_ETH_DEV_CLOSE_REMOVE flag.

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=207850&state=*

8. netdev-dpdk: Fix build with 20.11-rc1.

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=209006&state=*

9. sparse: Fix __ATOMIC_* redefinition errors

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=209452&state=*

10. build: Remove DPDK make build references.

   http://patchwork.ozlabs.org/project/openvswitch/list/?series=216682&state=*

For credit all authors of the original commits to 'dpdk-latest' with the
above changes have been added as co-authors for this commit.

Signed-off-by: David Marchand <david.marchand@redhat.com>
Co-authored-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Sunil Pai G <sunil.pai.g@intel.com>
Co-authored-by: Sunil Pai G <sunil.pai.g@intel.com>
Signed-off-by: Eli Britstein <elibr@nvidia.com>
Co-authored-by: Eli Britstein <elibr@nvidia.com>
Tested-by: Harry van Haaren <harry.van.haaren@intel.com>
Tested-by: Govindharajan, Hariprasad <hariprasad.govindharajan@intel.com>
Tested-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>

2 files changed, 32 insertions, 17 deletions

diff --git a/.ci/linux-build.sh b/.ci/linux-build.sh
index 16102ac94..3e5136fd4 100755
--- a/.ci/linux-build.sh
+++ b/.ci/linux-build.sh
@@ -87,17 +87,29 @@ 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/*/}" != "${DPDK_VER}" ]; then
         # Avoid using cache for git tree build.
         rm -rf dpdk-dir
@@ -110,7 +122,8 @@ function install_dpdk()
         if [ -f "${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
@@ -124,23 +137,24 @@ function install_dpdk()
         pushd dpdk-dir
     fi
 
-    make config CC=gcc T=$TARGET
+    # Switching to 'default' machine to make dpdk-dir cache usable on
+    # different CPUs. We can't be sure that all CI machines are exactly same.
+    DPDK_OPTS="$DPDK_OPTS -Dmachine=default"
 
-    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
+    # Disable building DPDK unit tests. Not needed for OVS build or tests.
+    DPDK_OPTS="$DPDK_OPTS -Dtests=false"
+
+    # Install DPDK using prefix.
+    DPDK_OPTS="$DPDK_OPTS --prefix=$(pwd)/build"
+
+    CC=gcc meson $DPDK_OPTS build
+    ninja -C build
+    ninja -C build install
 
-    # Disable building DPDK kernel modules. Not needed for OVS build or tests.
-    sed -i '/CONFIG_RTE_EAL_IGB_UIO=y/s/=y/=n/' build/.config
-    sed -i '/CONFIG_RTE_KNI_KMOD=y/s/=y/=n/' build/.config
+    # Update the library paths.
+    sudo ldconfig
 
-    # Switching to 'default' machine to make dpdk-dir cache usable on different
-    # CPUs.  We can't be sure that all CI machines are exactly same.
-    sed -i '/CONFIG_RTE_MACHINE="native"/s/="native"/="default"/' build/.config
 
-    make -j4 CC=gcc EXTRA_CFLAGS='-fPIC'
-    EXTRA_OPTS="$EXTRA_OPTS --with-dpdk=$(pwd)/build"
     echo "Installed DPDK source in $(pwd)"
     popd
     echo "${DPDK_VER}" > ${VERSION_FILE}
@@ -187,7 +201,7 @@ fi
 
 if [ "$DPDK" ] || [ "$DPDK_SHARED" ]; then
     if [ -z "$DPDK_VER" ]; then
-        DPDK_VER="19.11.2"
+        DPDK_VER="20.11"
     fi
     install_dpdk $DPDK_VER
     if [ "$CC" = "clang" ]; then
diff --git a/.ci/linux-prepare.sh b/.ci/linux-prepare.sh
index fea905a83..69a40011f 100755
--- a/.ci/linux-prepare.sh
+++ b/.ci/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.