ci: guest netdev test case

This patch adds guest netdev test case

Signed-off-by: Kommula Shiva Shankar <kshankar@marvell.com>
Change-Id: Ie6f10428737ddd3ea8670939124840d7a50da7bd
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/dataplane/dpu-offload/+/136779
Tested-by: sa_ip-toolkits-Jenkins <sa_ip-toolkits-jenkins@marvell.com>
Reviewed-by: Srujana Challa <schalla@marvell.com>

ci/test/dao-test/common/ep_guest_utils.sh

@@ -39,6 +39,56 @@ function ep_guest_setup()
 	echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode
 }
 
+function ep_guest_start_ping_test()
+{
+	local pfx=$1
+	local src_addr=$2
+	local dst_addr=$3
+	local count=$4
+	local ping_out
+	local pkt_sizes=(64 1000 1500)
+	local pkt_size
+
+        for pkt_size in "${pkt_sizes[@]}"
+        do
+                ping_out=$(ping -c $count -s $pkt_size -i 0.2 \
+                                -I $src_addr $dst_addr || true)
+                if [[ -n $(echo $ping_out | grep ", 0% packet loss,") ]]; then
+                        echo "$pkt_size packet size ping test SUCCESS" \
+				>> /root/hostshare/netdev.ping_pass.out.$pfx
+                else
+                        echo "$pkt_size packet size ping FAILED" \
+				 >> /root/hostshare/netdev.ping_fail.out.$pfx
+                        echo "stopping test execution" \
+				>> /root/hostshare/netdev.ping_fail.out.$pfx
+                        break
+                fi
+        done
+}
+
+function ep_guest_netdev_config()
+{
+        local net_bdf
+        local ip_addr=$2
+        local net_name
+        local k=1
+
+        net_bdf=$(lspci -Dd ::0200 | awk '{print $1}')
+        for dev in $net_bdf; do
+                virtio_dir=$(echo /sys/bus/pci/devices/$dev/virtio*)
+                if [[ -d $virtio_dir ]]; then
+                        if [[ -d $virtio_dir/net ]]; then
+                                net_name=$(basename $(readlink -f $virtio_dir/net/*))
+                                ip link set dev $net_name up
+                                ip addr add $ip_addr dev $net_name
+                                k=0
+                                break
+                        fi
+                fi
+        done
+        return $k
+}
+
 function ep_guest_testpmd_launch()
 {
 	local pfx=$1

ci/test/dao-test/common/ep_host_utils.sh

@@ -297,6 +297,40 @@ function ep_host_stop_guest_traffic()
 	echo "./ep_guest_utils.sh testpmd_stop $pfx" >> $in
 }
 
+function ep_host_netdev_config()
+{
+	local pfx=$1
+	local in=guest.in.$pfx
+	local out=guest.out.$pfx
+	local args=${@:2}
+
+	echo "Configuring guest netdev"
+	echo "./ep_guest_utils.sh netdev_config $pfx $args" >> $in
+}
+
+function ep_host_netdev_ping_test()
+{
+	local pfx=$1
+	local in=guest.in.$pfx
+	local out=guest.out.$pfx
+	local args=${@:2}
+	local ping_test_fail_res="$EP_GUEST_SHARE_DIR/netdev.ping_fail.out.$pfx"
+	local ping_test_pass_res="$EP_GUEST_SHARE_DIR/netdev.ping_pass.out.$pfx"
+	local res
+
+	echo "./ep_guest_utils.sh start_ping_test $pfx $args" >> $in
+	# Wait ping command to complete
+	sleep 60
+	if [[ -f $ping_test_fail_res ]]; then
+		echo "Ping test failed"
+		echo "$(cat $ping_test_fail_res)"
+		return 1
+	elif [[ -f $ping_test_pass_res ]]; then
+		echo "$(cat $ping_test_pass_res)"
+		return 0
+	fi
+}
+
 function ep_host_shutdown_guest()
 {
 	local pfx=$1

ci/test/dao-test/virtio/l2fwd/meson.build

@@ -11,7 +11,8 @@ tests = [
     ['virtio_l2fwd_host_net_1c', 'virtio_l2fwd_1c.sh', ''],
     ['virtio_l2fwd_csum', 'virtio_l2fwd_csum.sh', ''],
     ['virtio_l2fwd_mactest', 'virtio_l2fwd_1c.sh', ''],
-    ['virtio_l2fwd_reset', 'virtio_l2fwd_1c.sh', '']
+    ['virtio_l2fwd_reset', 'virtio_l2fwd_1c.sh', ''],
+    ['virtio_l2fwd_guest_net_1c', 'virtio_l2fwd_1c.sh', ''],
 ]
 
 test_dir = meson.current_build_dir()

ci/test/dao-test/virtio/l2fwd/virtio_l2fwd_1c.sh

@@ -290,6 +290,84 @@ function virtio_l2fwd_host_net_1c_run()
 	return $k
 }
 
+function virtio_l2fwd_guest_net_1c_run()
+{
+	local l2fwd_pfx=${DAO_TEST}
+	local guest_net_pfx=${DAO_TEST}_guest_net
+	local l2fwd_out=virtio_l2fwd.${l2fwd_pfx}.out
+	local npa_pf=$(ep_device_get_unused_npa_pf)
+	local ep_device_dtap_addr=20.20.20.2
+	local ep_guest_ip_addr=20.20.20.1
+	local app_args
+	local cidr=24
+	local ping_out
+	local count=60
+	local k=0
+
+	if [ -z "${1:-}" ]; then
+		ff_enable=""
+	else
+		ff_enable=$1
+	fi
+
+	l2fwd_register_sig_handler ${DAO_TEST} $guest_net_pfx $l2fwd_out
+
+	ep_common_bind_driver pci $npa_pf vfio-pci
+
+	# Launch virtio l2fwd without cgx loopback
+	app_args="-p 0x1 -v 0x1 -P $ff_enable"
+	if ! l2fwd_app_launch_with_tap_dev $npa_pf $l2fwd_pfx $l2fwd_out "4-7" "$app_args"; then
+		echo "Failed to launch virtio l2fwd"
+
+		# Quit l2fwd app
+		l2fwd_app_quit $l2fwd_pfx $l2fwd_out
+
+		# Unbind NPA device
+		ep_common_unbind_driver pci $npa_pf vfio-pci
+
+		return 1
+	fi
+
+	echo "Configuring TAP interface on EP device"
+	#By default, Linux interfaces are named dtapX
+	ep_device_configure_tap_iface dtap0 $ep_device_dtap_addr/$cidr
+
+	ep_host_op vdpa_setup $(ep_device_get_part)
+	ep_host_op_bg 300 launch_guest $guest_net_pfx
+	local k=$?
+	if [[ "$k" != "0" ]]; then
+		echo "Failed to launch Guest"
+
+		# Quit l2fwd app
+		l2fwd_app_quit $l2fwd_pfx $l2fwd_out
+
+		# Unbind NPA device
+		ep_common_unbind_driver pci $npa_pf vfio-pci
+
+		return 1
+	fi
+
+	#configure guest netdev
+	ep_host_op netdev_config $guest_net_pfx $ep_guest_ip_addr/$cidr
+
+	echo "Verifying ping"
+	ep_host_op netdev_ping_test $guest_net_pfx $ep_guest_ip_addr $ep_device_dtap_addr $count
+	local k=$?
+
+	ep_host_op shutdown_guest $guest_net_pfx
+
+	echo "virtio_vdpa_cleanup"
+	ep_host_op virtio_vdpa_cleanup
+
+	# Quit l2fwd app
+	l2fwd_app_quit $l2fwd_pfx $l2fwd_out
+
+	#Unbind NPA device
+	ep_common_unbind_driver pci $npa_pf vfio-pci
+
+	return $k
+}
+
 function virtio_l2fwd_host_net_1c()
 {
         local k
@@ -311,6 +389,27 @@ function virtio_l2fwd_host_net_1c()
         echo ${DAO_TEST}" Test PASSED"
 }
 
+function virtio_l2fwd_guest_net_1c()
+{
+        local k
+
+        virtio_l2fwd_guest_net_1c_run
+        k=$?
+        if [[ "$k" != "0" ]]; then
+                echo ${DAO_TEST}" Guest net FF Test FAILED"
+                return $k
+        fi
+
+        virtio_l2fwd_guest_net_1c_run -f
+        k=$?
+        if [[ "$k" != "0" ]]; then
+                echo ${DAO_TEST}" Guest net NO_FF Test FAILED "
+                return $k
+        fi
+
+        echo ${DAO_TEST}" Guest net Test PASSED"
+}
+
 function virtio_l2fwd_mactest()
 {
 	tx_upcap=$EP_DIR/ci/test/dao-test/virtio/l2fwd/pcap/ucast.pcap