mrg_buff_doc: Add documentation on mergable buffer option
[vswitchperf.git] / vswitches / ovs_vanilla.py
index 77d3dea..12a460a 100644 (file)
 
 import logging
 from conf import settings
-from vswitches.vswitch import IVSwitch
-from src.ovs import VSwitchd, OFBridge, DPCtl
+from vswitches.ovs import IVSwitchOvs
+from src.ovs import DPCtl
 from tools.module_manager import ModuleManager
 from tools import tasks
 
-_LOGGER = logging.getLogger(__name__)
-VSWITCHD_CONST_ARGS = ['--', '--log-file']
-
-class OvsVanilla(IVSwitch):
-    """VSwitch Vanilla implementation
+class OvsVanilla(IVSwitchOvs):
+    """ Open vSwitch
 
     This is wrapper for functionality implemented in src.ovs.
 
@@ -35,31 +32,17 @@ class OvsVanilla(IVSwitch):
     see the interface definition.
     """
 
-    _logger = logging.getLogger()
-    _ports = settings.getValue('VSWITCH_VANILLA_PHY_PORT_NAMES')
     _current_id = 0
     _vport_id = 0
 
     def __init__(self):
-        #vswitchd_args = VSWITCHD_CONST_ARGS
-        vswitchd_args = ["unix:%s" % VSwitchd.get_db_sock_path()]
-        vswitchd_args += settings.getValue('VSWITCHD_VANILLA_ARGS')
-        self._vswitchd = VSwitchd(vswitchd_args=vswitchd_args,
-                                  expected_cmd="db.sock: connected")
-        self._bridges = {}
+        super(OvsVanilla, self).__init__()
+        self._ports = list(nic['device'] for nic in settings.getValue('NICS'))
+        self._logger = logging.getLogger(__name__)
+        self._vswitchd_args += ["unix:%s" % self.get_db_sock_path()]
+        self._vswitchd_args += settings.getValue('VSWITCHD_VANILLA_ARGS')
         self._module_manager = ModuleManager()
 
-    def start(self):
-        """See IVswitch for general description
-
-        Activates kernel modules, ovsdb and vswitchd.
-        """
-        self._module_manager.insert_modules(
-            settings.getValue('VSWITCH_VANILLA_KERNEL_MODULES'))
-        self._logger.info("Starting Vswitchd...")
-        self._vswitchd.start()
-        self._logger.info("Vswitchd...Started.")
-
     def stop(self):
         """See IVswitch for general description
 
@@ -68,38 +51,23 @@ class OvsVanilla(IVSwitch):
         # remove all tap interfaces
         for i in range(self._vport_id):
             tapx = 'tap' + str(i)
-            tasks.run_task(['sudo', 'ip', 'tuntap', 'del',
-                            tapx, 'mode', 'tap'],
-                           _LOGGER, 'Deleting ' + tapx, False)
+            tap_cmd_list = ['sudo', 'ip', 'tuntap', 'del', tapx, 'mode', 'tap']
+            # let's assume, that all VMs have NIC QUEUES enabled or disabled
+            # at the same time
+            if int(settings.getValue('GUEST_NIC_QUEUES')[0]):
+                tap_cmd_list += ['multi_queue']
+            tasks.run_task(tap_cmd_list, self._logger, 'Deleting ' + tapx, False)
         self._vport_id = 0
 
-        self._vswitchd.kill()
+        super(OvsVanilla, self).stop()
         dpctl = DPCtl()
         dpctl.del_dp()
 
         self._module_manager.remove_modules()
 
-
-    def add_switch(self, switch_name, params=None):
-        """See IVswitch for general description
-        """
-        bridge = OFBridge(switch_name)
-        bridge.create(params)
-        bridge.set_db_attribute('Open_vSwitch', '.',
-                                'other_config:max-idle', '60000')
-        self._bridges[switch_name] = bridge
-
-    def del_switch(self, switch_name):
-        """See IVswitch for general description
-        """
-        bridge = self._bridges[switch_name]
-        self._bridges.pop(switch_name)
-        bridge.destroy()
-
     def add_phy_port(self, switch_name):
         """
-        Method adds port based on configured VSWITCH_VANILLA_PHY_PORT_NAMES
-        stored in config file.
+        Method adds port based on detected device names.
 
         See IVswitch for general description
         """
@@ -110,16 +78,18 @@ class OvsVanilla(IVSwitch):
             raise
 
         if not self._ports[self._current_id]:
-            self._logger.error("VSWITCH_VANILLA_PHY_PORT_NAMES not set")
-            raise ValueError("Invalid VSWITCH_VANILLA_PHY_PORT_NAMES")
+            self._logger.error("Can't detect device name for NIC %s", self._current_id)
+            raise ValueError("Invalid device name for %s" % self._current_id)
 
         bridge = self._bridges[switch_name]
         port_name = self._ports[self._current_id]
         params = []
 
         # For PVP only
-        tasks.run_task(['sudo', 'ifconfig', port_name, '0'],
-                       _LOGGER, 'Remove IP', False)
+        tasks.run_task(['sudo', 'ip', 'addr', 'flush', 'dev', port_name],
+                       self._logger, 'Remove IP', False)
+        tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', port_name, 'up'],
+                       self._logger, 'Bring up ' + port_name, False)
 
         of_port = bridge.add_port(port_name, params)
         self._current_id += 1
@@ -134,98 +104,29 @@ class OvsVanilla(IVSwitch):
         # Create tap devices for the VM
         tap_name = 'tap' + str(self._vport_id)
         self._vport_id += 1
-
-        tasks.run_task(['sudo', 'ip', 'tuntap', 'del',
-                        tap_name, 'mode', 'tap'],
-                       _LOGGER, 'Creating tap device...', False)
-
-        tasks.run_task(['sudo', 'ip', 'tuntap', 'add',
-                        tap_name, 'mode', 'tap'],
-                       _LOGGER, 'Creating tap device...', False)
-
-        tasks.run_task(['sudo', 'ifconfig', tap_name, '0'],
-                       _LOGGER, 'Bring up ' + tap_name, False)
+        tap_cmd_list = ['sudo', 'ip', 'tuntap', 'del', tap_name, 'mode', 'tap']
+        # let's assume, that all VMs have NIC QUEUES enabled or disabled
+        # at the same time
+        if int(settings.getValue('GUEST_NIC_QUEUES')[0]):
+            tap_cmd_list += ['multi_queue']
+        tasks.run_task(tap_cmd_list, self._logger,
+                       'Creating tap device...', False)
+
+        tap_cmd_list = ['sudo', 'ip', 'tuntap', 'add', tap_name, 'mode', 'tap']
+        # let's assume, that all VMs have NIC QUEUES enabled or disabled
+        # at the same time
+        if int(settings.getValue('GUEST_NIC_QUEUES')[0]):
+            tap_cmd_list += ['multi_queue']
+        tasks.run_task(tap_cmd_list, self._logger,
+                       'Creating tap device...', False)
+
+        tasks.run_task(['sudo', 'ip', 'addr', 'flush', 'dev', tap_name],
+                       self._logger, 'Remove IP', False)
+        tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', tap_name, 'up'],
+                       self._logger, 'Bring up ' + tap_name, False)
 
         bridge = self._bridges[switch_name]
         of_port = bridge.add_port(tap_name, [])
         return (tap_name, of_port)
 
-    def add_tunnel_port(self, switch_name, remote_ip, tunnel_type='vxlan',
-                        params=None):
-        """Creates tunneling port
-        """
-        bridge = self._bridges[switch_name]
-        pcount = str(self._get_port_count('type=' + tunnel_type))
-        port_name = tunnel_type + pcount
-        local_params = ['--', 'set', 'Interface', port_name,
-                        'type=' + tunnel_type,
-                        'options:remote_ip=' + remote_ip]
-
-        if params is not None:
-            local_params = local_params + params
-
-        of_port = bridge.add_port(port_name, local_params)
-        return (port_name, of_port)
-
-    def get_ports(self, switch_name):
-        """See IVswitch for general description
-        """
-        bridge = self._bridges[switch_name]
-        ports = list(bridge.get_ports().items())
-        return [(name, of_port) for (name, (of_port, _)) in ports]
-
-    def del_port(self, switch_name, port_name):
-        """See IVswitch for general description
-        """
-        bridge = self._bridges[switch_name]
-        bridge.del_port(port_name)
-
-    def add_flow(self, switch_name, flow, cache='off'):
-        """See IVswitch for general description
-        """
-        bridge = self._bridges[switch_name]
-        bridge.add_flow(flow, cache=cache)
-
-    def del_flow(self, switch_name, flow=None):
-        """See IVswitch for general description
-        """
-        flow = flow or {}
-        bridge = self._bridges[switch_name]
-        bridge.del_flow(flow)
-
-    def dump_flows(self, switch_name):
-        """See IVswitch for general description
-        """
-        bridge = self._bridges[switch_name]
-        bridge.dump_flows()
-
-    def add_route(self, switch_name, network, destination):
-        """See IVswitch for general description
-        """
-        bridge = self._bridges[switch_name]
-        bridge.add_route(network, destination)
-
-    def set_tunnel_arp(self, ip_addr, mac_addr, switch_name):
-        """See IVswitch for general description
-        """
-        bridge = self._bridges[switch_name]
-        bridge.set_tunnel_arp(ip_addr, mac_addr, switch_name)
-
-    def _get_port_count(self, param):
-        """Returns the number of ports having a certain parameter
-
-        :param bridge: The src.ovs.ofctl.OFBridge on which to operate
-        :param param: The parameter to search for
-        :returns: Count of matches
-        """
-        cnt = 0
-        for k in self._bridges:
-            pparams = [c for (_, (_, c)) in list(self._bridges[k].get_ports().items())]
-            phits = [i for i in pparams if param in i]
-            cnt += len(phits)
-
-        if cnt is None:
-            cnt = 0
-        return cnt
-