add case for basic QinQ check test

   xxxx-95976: [virtual network][virual-nic-device] Basic QinQ test - 10x4094 check -- only for linux
Signed-off-by: nanli <[email protected]>

Author: nanli1

libvirt/tests/cfg/virtual_network/qemu/bridge_qinq.cfg

@@ -0,0 +1,40 @@
+- virtual_network.qemu_test.bridge_qinq:
+    only Linux
+    only bridge
+    type = bridge_qinq
+    private_bridge = qinq_br
+    func_supported_since_qemu_kvm_ver = (8, 1, 0)
+    create_vm_libvirt = "yes"
+    image_snapshot = "no"
+    kill_vm_libvirt = "yes"
+    guest_qinq_dir = "/home/"
+    start_vm = "yes"
+    qin_script = 'linux_qinq/qinq.sh'
+    ping_count = 10
+    net_mask = "24"
+    set_ip_cmd = "ip addr add %s/${net_mask} dev %s"
+    ip_vm = "192.168.1.2"
+    vlan_id = 10
+    L1tag_iface = "v1v${vlan_id}"
+    L1tag_iface_ip = "192.168.10.10"
+    tcpdump_cmd = "setsid tcpdump -xxvvleni %s > %s 2> /dev/null"
+    tcpdump_log = "/tmp/tcpdump-%s.log"
+    get_tcpdump_log_cmd = "cat ${tcpdump_log}"
+    advlan_name = "${private_bridge}-vl${vlan_id}"
+    add_advlan_cmd = "ip link add link ${private_bridge} name ${advlan_name} type vlan proto 802.1ad id ${vlan_id}"
+    advlan_mac = "54:52:01:2a:0b:02"
+    advlan_ip = "192.168.10.1"
+    L2vid = 20
+    L2tag_iface = "v2v${vlan_id}_${L2vid}"
+    L2tag_iface_ip = "192.168.20.10"
+    qvlan_name = "${private_bridge}-vl${vlan_id}_${L2vid}"
+    qvlan_ip = "192.168.20.1"
+    add_qvlan_cmd = "ip link add link ${advlan_name} name ${qvlan_name} type vlan id ${L2vid}"
+    login_timeout = 720
+    stop_NM_cmd = "systemctl stop NetworkManager"
+    firewalld_service = disable
+    file_size = 4096
+    guest_path = "/var/tmp/transferred_file"
+    transfer_timeout = 1000
+    shell_port = 22
+    iface_dict = {'type_name': 'bridge', 'source': {'bridge': '${private_bridge}'}}

libvirt/tests/deps/linux_qinq/qinq.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+iface=$1
+file1=/tmp/pass1
+file2=/tmp/pass2
+vns_pre=10
+vns=1024
+proto=802.1ad
+if [ -z "${iface:-}" ]
+then
+    echo "please provide an interface, e.g. $(basename "$0") eth0"
+    exit 1
+else
+    echo "you are testing with $iface."
+fi
+
+rm -f "$file1" "$file2"
+
+for i in `seq $vns_pre`
+do
+    ip link add link $iface name v1v$i type vlan proto $proto id $i
+    if [ $? -eq 0 ]
+    then
+        echo $i>>$file1
+    else
+        echo "v1v$i is not created"
+    fi
+    sleep 2
+    for s in `seq $vns`
+    do
+        ip link add link v1v$i name v2v$i\_$s type vlan id $s
+        if [ $? -eq 0 ]
+        then
+            echo $i\_$s>>$file2
+        else
+            echo "v2v$i\_$s is not created"
+        fi
+    done
+done
+ret1=`cat $file1 |wc -l`
+ret2=`cat $file2 |wc -l`
+if [ $ret1 -ne $vns_pre ] || [ $ret2 -ne $((vns_pre*vns)) ]
+then
+    echo "$ret2 dot1ad vlans created, case failed, please check"
+    exit 1
+fi
+echo "$ret2 dot1ad vlans created successfully"