Merge pull request #1409 from sitoliu/ctrl_vlan

ctrl_vlan: add case to test 'ctrl_vlan' on linux and windows guest

qemu/tests/cfg/ctrl_vlan.cfg

+- ctrl_vlan:
+    type = ctrl_vlan
+    image_snapshot = yes
+    nic_model = virtio
+    vlan_id = 1
+    nic_extra_params = ",status=on"
+    Linux:
+        vlan_ip = 192.168.10.1
+        vlan_set_cmd = "ip link add link %s name %s.${vlan_id} type vlan id ${vlan_id}; "
+        vlan_set_cmd += "ip link set %s address 00:52:11:36:3f:00 up; "
+        vlan_set_cmd += "ifconfig %s ${vlan_ip}/24 up"
+    Windows:
+        vlan_set_cmd = powershell -command "Set-NetAdapter -Name '%s' -VlanID ${vlan_id} -Confirm:$false"
+    variants:
+        - ctrl_on:
+            nic_extra_params += ",ctrl_vlan=on"
+        - ctrl_off:
+            nic_extra_params += ",ctrl_vlan=off"

qemu/tests/ctrl_vlan.py

+import logging
+
+from virttest import error_context
+from virttest import utils_net
+from virttest import utils_test
+
+
+@error_context.context_aware
+def run(test, params, env):
+    """
+    Run ctrl_vlan check test.
+
+    1) Boot vm with ctrl_vlan=on/off
+    2) Verify if netkvm.sys is enabled in guest(only windows)
+    3) Check vlan table in rx-filter information
+    4) If ctrl_vlan=on, do step 5-6
+    5) Set vlan in guest
+    6) Check vlan table in rx-filter information again
+
+    :param test: QEMU test object.
+    :param params: Dictionary with the test parameters.
+    :param env: Dictionary with test environment.
+    """
+    def verify_vlan_table(expect_vlan=None):
+        error_context.context("Check vlan table in rx-filter", logging.info)
+        query_cmd = "query-rx-filter name=%s" % vm.virtnet[0].device_id
+        vlan_table = vm.monitor.send_args_cmd(query_cmd)[0].get("vlan-table")
+        if not expect_vlan:
+            vlan_table.sort()
+            if (len(set(vlan_table)) == 4096 and vlan_table[0] == 0 and
+                    vlan_table[-1] == 4095):
+                pass
+            else:
+                test.fail("Guest vlan table is not correct, expect: %s,"
+                          " actual: %s"
+                          % (expect_vlan, vlan_table))
+        elif vlan_table and vlan_table[0] != int(expect_vlan):
+            test.fail("Guest vlan table is not correct, expect: %s, actual: %s"
+                      % (expect_vlan, vlan_table[0]))
+
+    login_timeout = float(params.get("login_timeout", 360))
+    error_context.context("Init the VM, and try to login", logging.info)
+    vm = env.get_vm(params["main_vm"])
+    vm.verify_alive()
+    session = vm.wait_for_serial_login(timeout=login_timeout)
+
+    if ("ctrl_vlan=on" in params["nic_extra_params"] and
+            params["os_type"] == "linux"):
+        expect_vlan = vm.virtnet[0].vlan
+    else:
+        expect_vlan = None
+
+    if params["os_type"] == "windows":
+        error_context.context("Verify if netkvm.sys is enabled in guest",
+                              logging.info)
+        session = utils_test.qemu.windrv_check_running_verifier(session, vm,
+                                                                test, "netkvm",
+                                                                timeout=120)
+    verify_vlan_table(expect_vlan)
+
+    if "ctrl_vlan=on" in params["nic_extra_params"]:
+        error_context.context("Add vlan tag for guest network", logging.info)
+        vlan_set_cmd = params["vlan_set_cmd"]
+        vlan_id = params["vlan_id"]
+        if params["os_type"] == "linux":
+            ifname = utils_net.get_linux_ifname(session, vm.virtnet[0].mac)
+            vlan_set_cmd = vlan_set_cmd % (ifname, ifname, ifname, ifname)
+        else:
+            ifname = utils_net.get_windows_nic_attribute(session=session,
+                                                         key="netenabled",
+                                                         value=True,
+                                                         target="netconnectionID")
+            vlan_set_cmd = vlan_set_cmd % ifname
+        status, output = session.cmd_status_output(vlan_set_cmd)
+        if status:
+            test.error("Error occured when set vlan tag for network interface: %s, "
+                       "err info: %s " % (ifname, output))
+        verify_vlan_table(vlan_id)