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#!/bin/sh
#
# Copyright (c) 2015, Linaro Limited
# All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Test script wrapper for running ODP pktio apps on linux-generic.
#
# For linux-generic the default behavior is to create two pairs of
# virtual Ethernet interfaces and provide the names of these via
# environment variables to pktio apps, the interfaces will be removed
# before the script exits.
#
# Note that the creation of virtual Ethernet devices depends on having
# CONFIG_VETH enabled in the kernel, if not enabled the env setup will be skipped.
#
# Network set up
# IF0 <---> IF1
# IF2 <---> IF3
IF0=pktiop0p1
IF1=pktiop1p0
IF2=pktiop2p3
IF3=pktiop3p2
if [ "$0" = "$BASH_SOURCE" ]; then
echo "Error: Platform specific env file has to be sourced."
fi
check_for_root()
{
if [ "$(id -u)" != "0" ]; then
echo "check_for_root(): need to be root to setup VETH"
return 1
fi
return 0
}
# wait for a network interface's operational state to be "up"
wait_for_iface_up()
{
iface=$1
cnt=0
while [ $cnt -lt 50 ]; do
read operstate < /sys/class/net/$iface/operstate
if [ $? -ne 0 ]; then
break
elif [ "$operstate" = "up" ]; then
return 0
fi
sleep 0.1
cnt=`expr $cnt + 1`
done
return 1
}
setup_pktio_env()
{
echo "pktio: setting up test interfaces $IF0, $IF1, $IF2, $IF3."
check_for_root
if [ $? -ne 0 ]; then
return 1
fi
for iface in $IF0 $IF1 $IF2 $IF3; do
ip link show $iface 2> /dev/null
if [ $? -eq 0 ]; then
echo "pktio: interface $iface already exist $?"
return 2
fi
done
if [ "$1" = "clean" ]; then
trap cleanup_pktio_env EXIT
fi
ip link add $IF0 type veth peer name $IF1
if [ $? -ne 0 ]; then
echo "pktio: error: unable to create veth pair"
return 3
fi
ip link add $IF2 type veth peer name $IF3
if [ $? -ne 0 ]; then
echo "pktio: error: unable to create veth pair"
return 4
fi
for iface in $IF0 $IF1 $IF2 $IF3; do
ip link set $iface mtu 9216 up
ifconfig $iface -arp
done
# check that the interface has come up before starting the test
for iface in $IF0 $IF1 $IF2 $IF3; do
wait_for_iface_up $iface
if [ $? -ne 0 ]; then
echo "pktio: interface $iface failed to come up"
return 5
fi
done
}
cleanup_pktio_env()
{
echo "pktio: removing test interfaces $IF0, $IF1, $IF2, $IF3"
check_for_root
if [ $? -ne 0 ]; then
return 1
fi
for iface in $IF0 $IF1 $IF2 $IF3; do
ip link del $iface 2> /dev/null
done
return 0
}
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