linux-generic: pktio: add test for tap pktio

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-and-tested-by: Stuart Haslam <stuart.haslam@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

3 files changed, 118 insertions, 1 deletions

diff --git a/platform/linux-generic/test/Makefile.am b/platform/linux-generic/test/Makefile.am
index 76d357aa1..594aa11eb 100644
--- a/platform/linux-generic/test/Makefile.am
+++ b/platform/linux-generic/test/Makefile.am
@@ -5,6 +5,7 @@ ODP_MODULES = pktio
 
 if test_vald
 TESTS = pktio/pktio_run \
+	pktio/pktio_run_tap \
 	${top_builddir}/test/validation/buffer/buffer_main$(EXEEXT) \
 	${top_builddir}/test/validation/classification/classification_main$(EXEEXT) \
 	${top_builddir}/test/validation/config/config_main$(EXEEXT) \
diff --git a/platform/linux-generic/test/pktio/Makefile.am b/platform/linux-generic/test/pktio/Makefile.am
index 4d39372de..ea0ad87a5 100644
--- a/platform/linux-generic/test/pktio/Makefile.am
+++ b/platform/linux-generic/test/pktio/Makefile.am
@@ -1,5 +1,6 @@
 dist_check_SCRIPTS = pktio_env \
-		     pktio_run
+		     pktio_run \
+		     pktio_run_tap
 
 if HAVE_PCAP
 dist_check_SCRIPTS += pktio_run_pcap
diff --git a/platform/linux-generic/test/pktio/pktio_run_tap b/platform/linux-generic/test/pktio/pktio_run_tap
new file mode 100755
index 000000000..975da81b0
--- /dev/null
+++ b/platform/linux-generic/test/pktio/pktio_run_tap
@@ -0,0 +1,115 @@
+#!/bin/sh
+#
+# Copyright (c) 2015, Ilya Maximets <i.maximets@samsung.com>
+# All rights reserved.
+#
+# SPDX-License-Identifier:	BSD-3-Clause
+#
+
+# directories where pktio_main binary can be found:
+# -in the validation dir when running make check (intree or out of tree)
+# -in the script directory, when running after 'make install', or
+# -in the validation when running standalone intree.
+# -in the current directory.
+# running stand alone out of tree requires setting PATH
+PATH=${TEST_DIR}/pktio:$PATH
+PATH=$(dirname $0):$PATH
+PATH=$(dirname $0)/../../../../test/validation/pktio:$PATH
+PATH=.:$PATH
+
+pktio_main_path=$(which pktio_main${EXEEXT})
+if [ -x "$pktio_main_path" ] ; then
+	echo "running with $pktio_main_path"
+else
+	echo "cannot find pktio_main${EXEEXT}: please set you PATH for it."
+fi
+
+# exit code expected by automake for skipped tests
+TEST_SKIPPED=77
+
+TAP_BASE_NAME=iotap_vald
+IF0=${TAP_BASE_NAME}0
+IF1=${TAP_BASE_NAME}1
+BR=${TAP_BASE_NAME}_br
+
+export ODP_PKTIO_IF0="tap:$IF0"
+export ODP_PKTIO_IF1="tap:$IF1"
+
+tap_cleanup()
+{
+	ret=$?
+
+	for iface in $IF0 $IF1; do
+		ip link set dev $iface nomaster
+	done
+
+	ip link delete $BR type bridge
+
+	for iface in $IF0 $IF1; do
+		ip tuntap del mode tap $iface
+	done
+
+	trap - EXIT
+	exit $ret
+}
+
+tap_setup()
+{
+	if [ "$(id -u)" != "0" ]; then
+		echo "pktio: need to be root to setup TAP interfaces."
+		return $TEST_SKIPPED
+	fi
+
+	for iface in $IF0 $IF1 $BR; do
+		ip link show $iface 2> /dev/null
+		if [ $? -eq 0 ]; then
+			echo "pktio: interface $iface already exist $?"
+			return 2
+		fi
+	done
+
+	trap tap_cleanup EXIT
+
+	for iface in $IF0 $IF1; do
+		ip tuntap add mode tap $iface
+		if [ $? -ne 0 ]; then
+			echo "pktio: error: unable to create TAP device $iface"
+			return 3
+		fi
+	done
+
+	ip link add name $BR type bridge
+	if [ $? -ne 0 ]; then
+		echo "pktio: error: unable to create bridge $BR"
+		return 3
+	fi
+
+	for iface in $IF0 $IF1; do
+		ip link set dev $iface master $BR
+		if [ $? -ne 0 ]; then
+			echo "pktio: error: unable to add $iface to bridge $BR"
+			return 4
+		fi
+	done
+
+	for iface in $IF0 $IF1 $BR; do
+		ifconfig $iface -arp
+		sysctl -w net.ipv6.conf.${iface}.disable_ipv6=1
+		ip link set dev $iface mtu 9216 up
+	done
+
+	return 0
+}
+
+tap_setup
+ret=$?
+if [ $ret -ne 0 ]; then
+	echo "pktio: tap_setup() FAILED!"
+	exit $ret
+fi
+
+# Using ODP_WAIT_FOR_NETWORK to prevent fail if tap still not enabled in bridge
+ODP_WAIT_FOR_NETWORK=yes pktio_main${EXEEXT}
+ret=$?
+
+exit $ret