travis: Check compilation with DPDK experimental API.

Add Travis jobs to check compilation with DPDK experimental API enabled.
This will help us catch issues for the day we need one of them.

Note: this should not be merged to master, intended for dpdk-latest
branch only.

Signed-off-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>

.ci/linux-build.sh

@@ -7,6 +7,9 @@ CFLAGS_FOR_OVS="-g -O2"
 SPARSE_FLAGS=""
 EXTRA_OPTS="--enable-Werror"
 
+[ -z "$DPDK_EXPERIMENTAL" ] || DPDK=1
+[ -z "$DPDK_SHARED" ] || DPDK=1
+
 on_exit() {
     if [ $? = 0 ]; then
         exit
@@ -214,7 +217,7 @@ if [ "$KERNEL" ]; then
     install_kernel $KERNEL
 fi
 
-if [ "$DPDK" ] || [ "$DPDK_SHARED" ]; then
+if [ "$DPDK" ]; then
     if [ -z "$DPDK_VER" ]; then
         DPDK_VER="20.11.1"
     fi
@@ -223,6 +226,9 @@ if [ "$DPDK" ] || [ "$DPDK_SHARED" ]; then
         # Disregard cast alignment errors until DPDK is fixed
         CFLAGS_FOR_OVS="${CFLAGS_FOR_OVS} -Wno-cast-align"
     fi
+    if [ -n "$DPDK_EXPERIMENTAL" ]; then
+        CFLAGS_FOR_OVS="${CFLAGS_FOR_OVS} -DALLOW_EXPERIMENTAL_API"
+    fi
 fi
 
 if [ "$CC" = "clang" ]; then

.github/workflows/build-and-test.yml

@@ -17,6 +17,7 @@ jobs:
       DEB_PACKAGE: ${{ matrix.deb_package }}
       DPDK:        ${{ matrix.dpdk }}
       DPDK_SHARED: ${{ matrix.dpdk_shared }}
+      DPDK_EXPERIMENTAL: ${{ matrix.dpdk_experimental }}
       KERNEL:      ${{ matrix.kernel }}
       KERNEL_LIST: ${{ matrix.kernel_list }}
       LIBS:        ${{ matrix.libs }}
@@ -102,6 +103,9 @@ jobs:
             dpdk_shared:  dpdk-shared
             opts:         --enable-shared
 
+          - compiler:     gcc
+            dpdk_shared:  dpdk-experimental
+
           - compiler:     gcc
             m32:          m32
             opts:         --disable-ssl
@@ -124,7 +128,7 @@ jobs:
         python-version: '3.9'
 
     - name: create ci signature file for the dpdk cache key
-      if:   matrix.dpdk != '' || matrix.dpdk_shared != ''
+      if:   matrix.dpdk != '' || matrix.dpdk_shared != '' || matrix.dpdk_experimental != ''
       # This will collect most of DPDK related lines, so hash will be different
       # if something changed in a way we're building DPDK including DPDK_VER.
       # This also allows us to use cache from any branch as long as version
@@ -134,10 +138,10 @@ jobs:
         cat dpdk-ci-signature
 
     - name: cache
-      if:   matrix.dpdk != '' || matrix.dpdk_shared != ''
+      if:   matrix.dpdk != '' || matrix.dpdk_shared != '' || matrix.dpdk_experimental != ''
       uses: actions/cache@v2
       env:
-        matrix_key: ${{ matrix.dpdk }}${{ matrix.dpdk_shared }}
+        matrix_key: ${{ matrix.dpdk }}${{ matrix.dpdk_shared }}${{ matrix.dpdk_experimental}}
         ci_key:     ${{ hashFiles('dpdk-ci-signature') }}
       with:
         path: dpdk-dir

.travis.yml

@@ -38,6 +38,9 @@ matrix:
     - arch: arm64
       compiler: gcc
       env: TESTSUITE=1 DPDK=1
+    - arch: arm64
+      compiler: gcc
+      env: DPDK_EXPERIMENTAL=1
     - arch: arm64
       compiler: gcc
       env: KERNEL_LIST="5.5 4.19"