diff options
| author | Ilya Maximets <i.maximets@ovn.org> | 2019-10-21 15:33:04 +0200 |
|---|---|---|
| committer | Ilya Maximets <i.maximets@ovn.org> | 2019-10-21 22:07:00 +0200 |
| commit | d5ad58044a9a5b415db8a94f42576380fecb2dd7 (patch) | |
| tree | 243cf5792c2e4ce44073689326acc1e40d81c8f9 | |
| parent | a6028d3abb104e7c4815b979deab57a6292e57c9 (diff) | |
| download | openvswitch-d5ad58044a9a5b415db8a94f42576380fecb2dd7.tar.gz | |
travis: Test build with afxdp.
We can't easily update the kernel on TravisCI to run system tests
with AF_XDP, but we could run build tests with libbpf and headers
from newer kernels.
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Ben Pfaff <blp@ovn.org>
Acked-by: Aaron Conole <aconole@redhat.com>
| -rw-r--r-- | .travis.yml | 1 | ||||
| -rwxr-xr-x | .travis/linux-build.sh | 34 |
2 files changed, 29 insertions, 6 deletions
diff --git a/.travis.yml b/.travis.yml index eabbad92d..5676d9748 100644 --- a/.travis.yml +++ b/.travis.yml @@ -39,6 +39,7 @@ env: - TESTSUITE=1 LIBS=-ljemalloc - KERNEL_LIST="5.0 4.20 4.19 4.18 4.17 4.16" - KERNEL_LIST="4.15 4.14 4.9 4.4 3.19 3.16" + - AFXDP=1 KERNEL=5.3 - M32=1 OPTS="--disable-ssl" - DPDK=1 OPTS="--enable-shared" - DPDK_SHARED=1 diff --git a/.travis/linux-build.sh b/.travis/linux-build.sh index 758c8235c..889c7d2fe 100755 --- a/.travis/linux-build.sh +++ b/.travis/linux-build.sh @@ -38,7 +38,7 @@ function install_kernel() wget ${url} || wget ${url} || wget ${url/cdn/www} tar xvf linux-${version}.tar.xz > /dev/null - cd linux-${version} + pushd linux-${version} make allmodconfig # Cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler @@ -60,9 +60,26 @@ function install_kernel() make net/bridge/ fi - EXTRA_OPTS="${EXTRA_OPTS} --with-linux=$(pwd)" - echo "Installed kernel source in $(pwd)" - cd .. + if [ "$AFXDP" ]; then + sudo make headers_install INSTALL_HDR_PATH=/usr + pushd tools/lib/bpf/ + # Bulding with gcc because there are some issues in make files + # that breaks building libbpf with clang on Travis. + CC=gcc sudo make install + CC=gcc sudo make install_headers + sudo ldconfig + popd + # The Linux kernel defines __always_inline in stddef.h (283d7573), and + # sys/cdefs.h tries to re-define it. Older libc-dev package in xenial + # doesn't have a fix for this issue. Applying it manually. + sudo sed -i '/^# define __always_inline .*/i # undef __always_inline' \ + /usr/include/x86_64-linux-gnu/sys/cdefs.h || true + EXTRA_OPTS="${EXTRA_OPTS} --enable-afxdp" + else + EXTRA_OPTS="${EXTRA_OPTS} --with-linux=$(pwd)" + echo "Installed kernel source in $(pwd)" + fi + popd } function install_dpdk() @@ -127,8 +144,9 @@ function build_ovs() configure_ovs $OPTS make selinux-policy - # Only build datapath if we are testing kernel w/o running testsuite - if [ "${KERNEL}" ]; then + # Only build datapath if we are testing kernel w/o running testsuite and + # AF_XDP support. + if [ "${KERNEL}" ] && ! [ "$AFXDP" ]; then pushd datapath make -j4 popd @@ -161,6 +179,10 @@ elif [ "$M32" ]; then export CC="$CC -m32" else OPTS="--enable-sparse" + if [ "$AFXDP" ]; then + # netdev-afxdp uses memset for 64M for umem initialization. + SPARSE_FLAGS="${SPARSE_FLAGS} -Wno-memcpy-max-count" + fi CFLAGS_FOR_OVS="${CFLAGS_FOR_OVS} ${SPARSE_FLAGS}" fi |