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+#! /bin/bash
+
+# BSD LICENSE
+#
+# Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Intel Corporation nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# version: DPDK.L.1.2.3-3
+
+#
+# Run with "source /path/to/setup.sh"
+#
+
+#
+# Change to DPDK directory ( <this-script's-dir>/.. ), and export it as RTE_SDK
+#
+cd $(dirname ${BASH_SOURCE[0]})/..
+export RTE_SDK=$PWD
+echo "------------------------------------------------------------------------------"
+echo " RTE_SDK exported as $RTE_SDK"
+echo "------------------------------------------------------------------------------"
+
+#
+# Application EAL parameters for setting memory options (amount/channels/ranks).
+#
+EAL_PARAMS='-n 4'
+
+#
+# Sets QUIT variable so script will finish.
+#
+quit()
+{
+ QUIT=$1
+}
+
+#
+# Sets up envronment variables for ICC.
+#
+setup_icc()
+{
+ DEFAULT_PATH=/opt/intel/bin/iccvars.sh
+ param=$1
+ shpath=`which iccvars.sh 2> /dev/null`
+ if [ $? -eq 0 ] ; then
+ echo "Loading iccvars.sh from $shpath for $param"
+ source $shpath $param
+ elif [ -f $DEFAULT_PATH ] ; then
+ echo "Loading iccvars.sh from $DEFAULT_PATH for $param"
+ source $DEFAULT_PATH $param
+ else
+ echo "## ERROR: cannot find 'iccvars.sh' script to set up ICC."
+ echo "## To fix, please add the directory that contains"
+ echo "## iccvars.sh to your 'PATH' environment variable."
+ quit
+ fi
+}
+
+#
+# Sets RTE_TARGET and does a "make install".
+#
+setup_target()
+{
+ option=$1
+ export RTE_TARGET=${TARGETS[option]}
+
+ compiler=${RTE_TARGET##*-}
+ if [ "$compiler" == "icc" ] ; then
+ platform=${RTE_TARGET%%-*}
+ if [ "$platform" == "x86_64" ] ; then
+ setup_icc intel64
+ else
+ setup_icc ia32
+ fi
+ fi
+ if [ "$QUIT" == "0" ] ; then
+ make install T=${RTE_TARGET}
+ fi
+ echo "------------------------------------------------------------------------------"
+ echo " RTE_TARGET exported as $RTE_TARGET"
+ echo "------------------------------------------------------------------------------"
+}
+
+#
+# Uninstall all targets.
+#
+uninstall_targets()
+{
+ make uninstall
+}
+
+#
+# Creates hugepage filesystem.
+#
+create_mnt_huge()
+{
+ echo "Creating /mnt/huge and mounting as hugetlbfs"
+ sudo mkdir -p /mnt/huge
+
+ grep -s '/mnt/huge' /proc/mounts > /dev/null
+ if [ $? -ne 0 ] ; then
+ sudo mount -t hugetlbfs nodev /mnt/huge
+ fi
+}
+
+#
+# Removes hugepage filesystem.
+#
+remove_mnt_huge()
+{
+ echo "Unmounting /mnt/huge and removing directory"
+ grep -s '/mnt/huge' /proc/mounts > /dev/null
+ if [ $? -eq 0 ] ; then
+ sudo umount /mnt/huge
+ fi
+
+ if [ -d /mnt/huge ] ; then
+ sudo rm -R /mnt/huge
+ fi
+}
+
+#
+# Unloads igb_uio.ko.
+#
+remove_igb_uio_module()
+{
+ echo "Unloading any existing DPDK UIO module"
+ /sbin/lsmod | grep -s igb_uio > /dev/null
+ if [ $? -eq 0 ] ; then
+ sudo /sbin/rmmod igb_uio
+ fi
+}
+
+#
+# Loads new igb_uio.ko (and uio module if needed).
+#
+load_igb_uio_module()
+{
+ if [ ! -f $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko ];then
+ echo "## ERROR: Target does not have the DPDK UIO Kernel Module."
+ echo " To fix, please try to rebuild target."
+ return
+ fi
+
+ remove_igb_uio_module
+
+ /sbin/lsmod | grep -s uio > /dev/null
+ if [ $? -ne 0 ] ; then
+ if [ -f /lib/modules/$(uname -r)/kernel/drivers/uio/uio.ko ] ; then
+ echo "Loading uio module"
+ sudo /sbin/modprobe uio
+ fi
+ fi
+
+ # UIO may be compiled into kernel, so it may not be an error if it can't
+ # be loaded.
+
+ echo "Loading DPDK UIO module"
+ sudo /sbin/insmod $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko
+ if [ $? -ne 0 ] ; then
+ echo "## ERROR: Could not load kmod/igb_uio.ko."
+ quit
+ fi
+}
+
+#
+# Removes all reserved hugepages.
+#
+clear_huge_pages()
+{
+ echo > .echo_tmp
+ for d in /sys/devices/system/node/node? ; do
+ echo "echo 0 > $d/hugepages/hugepages-2048kB/nr_hugepages" >> .echo_tmp
+ done
+ echo "Removing currently reserved hugepages"
+ sudo sh .echo_tmp
+ rm -f .echo_tmp
+
+ remove_mnt_huge
+}
+
+#
+# Creates hugepages.
+#
+set_non_numa_pages()
+{
+ clear_huge_pages
+
+ echo ""
+ echo " Input the number of 2MB pages"
+ echo " Example: to have 128MB of hugepages available, enter '64' to"
+ echo " reserve 64 * 2MB pages"
+ echo -n "Number of pages: "
+ read Pages
+
+ echo "echo $Pages > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages" > .echo_tmp
+
+ echo "Reserving hugepages"
+ sudo sh .echo_tmp
+ rm -f .echo_tmp
+
+ create_mnt_huge
+}
+
+#
+# Creates hugepages on specific NUMA nodes.
+#
+set_numa_pages()
+{
+ clear_huge_pages
+
+ echo ""
+ echo " Input the number of 2MB pages for each node"
+ echo " Example: to have 128MB of hugepages available per node,"
+ echo " enter '64' to reserve 64 * 2MB pages on each node"
+
+ echo > .echo_tmp
+ for d in /sys/devices/system/node/node? ; do
+ node=$(basename $d)
+ echo -n "Number of pages for $node: "
+ read Pages
+ echo "echo $Pages > $d/hugepages/hugepages-2048kB/nr_hugepages" >> .echo_tmp
+ done
+ echo "Reserving hugepages"
+ sudo sh .echo_tmp
+ rm -f .echo_tmp
+
+ create_mnt_huge
+}
+
+#
+# Run unit test application.
+#
+run_test_app()
+{
+ echo ""
+ echo " Enter hex bitmask of cores to execute test app on"
+ echo " Example: to execute app on cores 0 to 7, enter 0xff"
+ echo -n "bitmask: "
+ read Bitmask
+ echo "Launching app"
+ sudo ${RTE_TARGET}/app/test -c $Bitmask $EAL_PARAMS
+}
+
+#
+# Run unit testpmd application.
+#
+run_testpmd_app()
+{
+ echo ""
+ echo " Enter hex bitmask of cores to execute testpmd app on"
+ echo " Example: to execute app on cores 0 to 7, enter 0xff"
+ echo -n "bitmask: "
+ read Bitmask
+ echo "Launching app"
+ sudo ${RTE_TARGET}/app/testpmd -c $Bitmask $EAL_PARAMS -- -i
+}
+
+#
+# Print hugepage information.
+#
+grep_meminfo()
+{
+ grep -i huge /proc/meminfo
+}
+
+#
+# List all hugepage file references
+#
+ls_mnt_huge()
+{
+ ls -lh /mnt/huge
+}
+
+#
+# Options for building a target. Note that this step MUST be first as it sets
+# up TARGETS[] starting from 1, and this is accessed in setup_target using the
+# user entered option.
+#
+step1_func()
+{
+ TITLE="Select the DPDK environment to build"
+ CONFIG_NUM=1
+ for cfg in config/defconfig_* ; do
+ cfg=${cfg/config\/defconfig_/}
+ TEXT[$CONFIG_NUM]="$cfg"
+ TARGETS[$CONFIG_NUM]=$cfg
+ FUNC[$CONFIG_NUM]="setup_target"
+ let "CONFIG_NUM+=1"
+ done
+}
+
+#
+# Options for setting up environment.
+#
+step2_func()
+{
+ TITLE="Setup linuxapp environment"
+
+ TEXT[1]="Insert IGB UIO module"
+ FUNC[1]="load_igb_uio_module"
+
+ TEXT[2]="Setup hugepage mappings for non-NUMA systems"
+ FUNC[2]="set_non_numa_pages"
+
+ TEXT[3]="Setup hugepage mappings for NUMA systems"
+ FUNC[3]="set_numa_pages"
+}
+
+#
+# Options for running applications.
+#
+step3_func()
+{
+ TITLE="Run test application for linuxapp environment"
+
+ TEXT[1]="Run test application (\$RTE_TARGET/app/test)"
+ FUNC[1]="run_test_app"
+
+ TEXT[2]="Run testpmd application in interactive mode (\$RTE_TARGET/app/testpmd)"
+ FUNC[2]="run_testpmd_app"
+}
+
+#
+# Other options
+#
+step4_func()
+{
+ TITLE="Other tools"
+
+ TEXT[1]="List hugepage info from /proc/meminfo"
+ FUNC[1]="grep_meminfo"
+
+ TEXT[2]="List hugepage files in /mnt/huge"
+ FUNC[2]="ls_mnt_huge"
+}
+
+#
+# Options for cleaning up the system
+#
+step5_func()
+{
+ TITLE="Uninstall and system cleanup"
+
+ TEXT[1]="Uninstall all targets"
+ FUNC[1]="uninstall_targets"
+
+ TEXT[2]="Remove IGB UIO module"
+ FUNC[2]="remove_igb_uio_module"
+
+ TEXT[3]="Remove hugepage mappings"
+ FUNC[3]="clear_huge_pages"
+}
+
+STEPS[1]="step1_func"
+STEPS[2]="step2_func"
+STEPS[3]="step3_func"
+STEPS[4]="step4_func"
+STEPS[5]="step5_func"
+
+QUIT=0
+
+while [ "$QUIT" == "0" ]; do
+ OPTION_NUM=1
+
+ for s in $(seq ${#STEPS[@]}) ; do
+ ${STEPS[s]}
+
+ echo "----------------------------------------------------------"
+ echo " Step $s: ${TITLE}"
+ echo "----------------------------------------------------------"
+
+ for i in $(seq ${#TEXT[@]}) ; do
+ echo "[$OPTION_NUM] ${TEXT[i]}"
+ OPTIONS[$OPTION_NUM]=${FUNC[i]}
+ let "OPTION_NUM+=1"
+ done
+
+ # Clear TEXT and FUNC arrays before next step
+ unset TEXT
+ unset FUNC
+
+ echo ""
+ done
+
+ echo "[$OPTION_NUM] Exit Script"
+ OPTIONS[$OPTION_NUM]="quit"
+ echo ""
+ echo -n "Option: "
+ read our_entry
+ echo ""
+ ${OPTIONS[our_entry]} ${our_entry}
+ echo
+ echo -n "Press enter to continue ..."; read
+done