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#!/bin/bash
source configlib.sh
# Generates arch configurations in the current directory based on
# 1. an openvswitch.spec file
# 2. an expanded dpdk tree
if (( $# != 2 )); then
echo "$0: openvswitch.spec dpdk_tree" >&2
exit 1
fi
OVSSPEC="$1"
DPDKDIR="$2"
# accumulate all arch + name triples
OVS_DPDK_CONF_MACH_ARCH=()
for arch in $(grep %define\ dpdk_mach_arch "$OVSSPEC" | sed 's@%define dpdk_mach_arch @@')
do
OVS_DPDK_CONF_MACH_ARCH+=($arch)
done
OVS_DPDK_CONF_MACH_TMPL=()
for tmpl in $(grep %define\ dpdk_mach_tmpl "$OVSSPEC" | sed 's@%define dpdk_mach_tmpl @@')
do
OVS_DPDK_CONF_MACH_TMPL+=($tmpl)
done
OVS_DPDK_CONF_MACH=()
for mach in $(grep %define\ dpdk_mach\ "$OVSSPEC" | sed 's@%define dpdk_mach @@')
do
OVS_DPDK_CONF_MACH+=($mach)
done
OVS_DPDK_TARGETS=()
for ((i=0; i < ${#OVS_DPDK_CONF_MACH[@]}; i++));
do
OVS_DPDK_TARGETS+=("${OVS_DPDK_CONF_MACH_ARCH[$i]}-${OVS_DPDK_CONF_MACH_TMPL[$i]}-linuxapp-gcc")
echo "DPDK-target: ${OVS_DPDK_TARGETS[$i]}"
done
OUTPUT_DIR=$(pwd)
pushd "$DPDKDIR"
for ((i=0; i < ${#OVS_DPDK_TARGETS[@]}; i++));
do
echo "For ${OVS_DPDK_TARGETS[$i]}:"
echo " a. Generating initial config"
echo " make V=1 T=${OVS_DPDK_TARGETS[$i]} O=${OVS_DPDK_TARGETS[$i]}"
make V=1 T=${OVS_DPDK_TARGETS[$i]} O=${OVS_DPDK_TARGETS[$i]} -j8 config
ORIG_SHA=""
OUTDIR="${OVS_DPDK_TARGETS[$i]}"
echo " b. calculating and applying sha"
calc_sha ORIG_SHA "${OUTDIR}/.config"
if [ "$ORIG_SHA" == "" ]; then
echo "ERROR: Unable to get sha for arch ${OVS_DPDK_TARGETS[$i]}"
exit 1
fi
echo "# -*- cfg-sha: ${ORIG_SHA}" > ${OUTDIR}/.config.new
cat "${OUTDIR}/.config" >> "${OUTDIR}/.config.new"
cp "${OUTDIR}/.config" "${OUTDIR}/.config.orig"
mv -f "${OUTDIR}/.config.new" "${OUTDIR}/.config"
echo " c. setting initial configurations"
# these are the original setconf values from openvswitch.spec
set_conf "${OUTDIR}" CONFIG_RTE_MACHINE "\\\"${OVS_DPDK_CONF_MACH[$i]}\\\""
# Disable DPDK libraries not needed by OVS
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_TIMER n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_CFGFILE n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_JOBSTATS n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_LPM n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_ACL n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_POWER n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_DISTRIBUTOR n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_REORDER n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PORT n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_TABLE n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PIPELINE n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_KNI n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_CRYPTODEV n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_SECURITY n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_FLOW_CLASSIFY n
# Disable virtio user as not used by OVS
set_conf "${OUTDIR}" CONFIG_RTE_VIRTIO_USER n
# Enable DPDK libraries needed by OVS
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_VHOST_NUMA y
# start by disabling ALL PMDs
for pmd in $(grep _PMD= "${OUTDIR}/.config" | sed 's@=\(y\|n\)@@g')
do
set_conf "${OUTDIR}" $pmd n
done
# PMDs which have their own naming scheme
# the default for this was 'n' at one point. Make sure we keep it
# as such
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_QAT n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_VHOST n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_KNI n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_XENVIRT n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_NULL_CRYPTO n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_NULL n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_TAP n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_CRYPTO_SCHEDULER n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_SKELETON_EVENTDEV n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_PCAP n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_BOND n
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_AF_PACKET n
# whitelist of enabled PMDs
# Soft PMDs to enable
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_PMD_RING y
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_VIRTIO_PMD y
# HW PMDs
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_I40E_PMD y
case "${OVS_DPDK_CONF_MACH_ARCH[i]}" in
x86_64)
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_ENIC_PMD y
;&
arm64)
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_IXGBE_PMD y
set_conf "${OUTDIR}" CONFIG_RTE_LIBRTE_IGB_PMD y
;;
esac
# Disable kernel modules
set_conf "${OUTDIR}" CONFIG_RTE_EAL_IGB_UIO n
set_conf "${OUTDIR}" CONFIG_RTE_KNI_KMOD n
# Disable experimental stuff
set_conf "${OUTDIR}" CONFIG_RTE_NEXT_ABI n
cp "${OUTDIR}/.config" "${OUTPUT_DIR}/${OVS_DPDK_TARGETS[$i]}-config"
done
popd >/dev/null
echo -n "For each arch ( "
for ((i=0; i < ${#OVS_DPDK_CONF_MACH_ARCH[@]}; i++));
do
echo -n "${OVS_DPDK_CONF_MACH_ARCH[i]} "
done
echo "):"
echo "1. ensure you enable the requisite hw"