Import initial drop of OVS code

This is the modified OVS code that consist of the base for
openvswitch-halon

Change-Id: I538d5e85574246641ac91f5bc415c07a177323fe
Signed-off-by: Diego Dompe <[email protected]>

.gitignore

@@ -0,0 +1,72 @@
+#*#
+*.a
+*.d
+*.gcno
+*.gcda
+*.ko
+*.la
+*.lo
+*.loT
+*.mod.c
+*.o
+*.obj
+*.exe
+*.exp
+*.ilk
+*.lib
+*.pdb
+*.pyc
+*.so
+*.suo
+**/*.sym
+*~
+*,cover
+.#*
+.*.cmd
+.*.swp
+.coverage
+.deps
+.dirstamp
+.libs
+.tmp_versions
+.gitattributes
+/Makefile
+/Makefile.in
+/aclocal.m4
+/all-distfiles
+/all-gitfiles
+/autom4te.cache
+/build-arch-stamp
+/build-indep-stamp
+/compile
+/config.guess
+/config.h
+/config.h.in
+/config.log
+/config.status
+/config.sub
+/configure
+/configure-stamp
+/depcomp
+/distfiles
+/install-sh
+/libtool
+/manpage-check
+/missing
+/missing-distfiles
+/package.m4
+/m4/ltargz.m4
+/m4/ltdl.m4
+/stamp-h1
+/_build-gcc
+/_build-clang
+Module.symvers
+TAGS
+cscope.*
+tags
+_debian
+odp-netlink.h
+OvsDpInterface.h
+/.vagrant/
+/build
+/libltdl/

.travis.yml

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+language: c
+compiler:
+  - gcc
+  - clang
+
+before_install: ./.travis/prepare.sh
+
+env:
+  - OPTS="--disable-ssl"
+  - TESTSUITE=1 KERNEL=3.18.1
+  - TESTSUITE=1 OPTS="--enable-shared"
+  - KERNEL=3.17.7 DPDK=1
+  - KERNEL=3.17.7 DPDK=1 OPTS="--enable-shared"
+  - KERNEL=3.17.7
+  - KERNEL=3.16.7
+  - KERNEL=3.14.27
+  - KERNEL=3.12.35
+  - KERNEL=3.10.63
+  - KERNEL=3.4.105
+  - KERNEL=2.6.32.65
+
+script: ./.travis/build.sh $OPTS
+
+notifications:
+  email:
+    recipients:
+      - secure: V7W+NdS3L1aXCMUo2EBmOIHeQHT76r78p3f25XFISz8D4a2FnXA2ydwQVbhiZxa+TRgrskY/iB5GU1fS70+qmIaGxnGAVRV8lIQVshoiaKuxvMcha0FdN4d44i1AmLiM2DK8r5k3+fEWTQCvq9mrXQnDJVEPpYfVGj5+b+9oBx8=

.travis/build.sh

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+#!/bin/bash
+
+set -o errexit
+
+KERNELSRC=""
+CFLAGS="-Werror"
+EXTRA_OPTS=""
+
+function install_kernel()
+{
+    if [[ "$1" =~ ^3.* ]]; then
+        PREFIX="v3.x"
+    else
+        PREFIX="v2.6/longterm/v2.6.32"
+    fi
+
+    wget https://www.kernel.org/pub/linux/kernel/${PREFIX}/linux-${1}.tar.gz
+    tar xzvf linux-${1}.tar.gz > /dev/null
+    cd linux-${1}
+    make allmodconfig
+
+    # Older kernels do not include openvswitch
+    if [ -d "net/openvswitch" ]; then
+        make net/openvswitch/
+    else
+        make net/bridge/
+    fi
+
+    KERNELSRC=$(pwd)
+    if [ ! "$DPDK" ]; then
+        EXTRA_OPTS="--with-linux=$(pwd)"
+    fi
+    echo "Installed kernel source in $(pwd)"
+    cd ..
+}
+
+function install_dpdk()
+{
+    if [ -n "$DPDK_GIT" ]; then
+	git clone $DPDK_GIT dpdk-$1
+	cd dpdk-$1
+	git checkout v$1
+    else
+        wget http://www.dpdk.org/browse/dpdk/snapshot/dpdk-$1.tar.gz
+        tar xzvf dpdk-$1.tar.gz > /dev/null
+        cd dpdk-$1
+    fi
+    find ./ -type f | xargs sed -i 's/max-inline-insns-single=100/max-inline-insns-single=400/'
+    sed -ri 's,(CONFIG_RTE_BUILD_COMBINE_LIBS=).*,\1y,' config/common_linuxapp
+    sed -ri '/CONFIG_RTE_LIBNAME/a CONFIG_RTE_BUILD_FPIC=y' config/common_linuxapp
+    sed -ri '/EXECENV_CFLAGS  = -pthread -fPIC/{s/$/\nelse ifeq ($(CONFIG_RTE_BUILD_FPIC),y)/;s/$/\nEXECENV_CFLAGS  = -pthread -fPIC/}' mk/exec-env/linuxapp/rte.vars.mk
+    make config CC=gcc T=x86_64-native-linuxapp-gcc
+    make CC=gcc RTE_KERNELDIR=$KERNELSRC
+    echo "Installed DPDK source in $(pwd)"
+    cd ..
+}
+
+function configure_ovs()
+{
+    ./boot.sh && ./configure $*
+}
+
+if [ "$KERNEL" ] || [ "$DPDK" ]; then
+    install_kernel $KERNEL
+fi
+
+if [ "$DPDK" ]; then
+    if [ -z "$DPDK_VER" ]; then
+	    DPDK_VER="1.7.1"
+    fi
+    install_dpdk $DPDK_VER
+    # Disregard bad function cassts until DPDK is fixed
+    CFLAGS="$CFLAGS -Wno-error=bad-function-cast -Wno-error=cast-align"
+    EXTRA_OPTS+="--with-dpdk=./dpdk-$DPDK_VER/build"
+elif [ $CC != "clang" ]; then
+    # DPDK headers currently trigger sparse errors
+    CFLAGS="$CFLAGS -Wsparse-error"
+fi
+
+configure_ovs $EXTRA_OPTS $*
+
+# Only build datapath if we are testing kernel w/o running testsuite
+if [ $KERNEL ] && [ ! "$TESTSUITE" ] && [ ! "$DPDK" ]; then
+    cd datapath
+fi
+
+if [ $CC = "clang" ]; then
+    make CFLAGS="$CFLAGS -Wno-error=unused-command-line-argument"
+else
+    make CFLAGS="$CFLAGS" C=1
+fi
+
+if [ $TESTSUITE ] && [ $CC != "clang" ]; then
+    if ! make distcheck; then
+        # testsuite.log is necessary for debugging.
+        cat */_build/tests/testsuite.log
+        exit 1
+    fi
+fi
+
+exit 0

.travis/prepare.sh

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+#!/bin/bash
+
+sudo apt-get update -qq
+sudo apt-get install -qq libssl-dev llvm-dev
+
+git clone git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git
+cd sparse && make && sudo make install PREFIX=/usr && cd ..