diff options
-rw-r--r-- | conf/integration/01_testcases.conf | 11 | ||||
-rw-r--r-- | conf/integration/02_vswitch.conf | 12 | ||||
-rw-r--r-- | core/component_factory.py | 3 | ||||
-rw-r--r-- | core/vswitch_controller_ptunp.py | 238 | ||||
-rwxr-xr-x | docs/userguide/integration.rst | 49 | ||||
-rw-r--r-- | vswitches/ovs.py | 32 |
6 files changed, 345 insertions, 0 deletions
diff --git a/conf/integration/01_testcases.conf b/conf/integration/01_testcases.conf index e050e358..46312637 100644 --- a/conf/integration/01_testcases.conf +++ b/conf/integration/01_testcases.conf @@ -133,6 +133,17 @@ STEP_VSWITCH_PVVP_FLOWS_FINIT = [ # INTEGRATION_TESTS = [ { + "Name": "overlay_p2p_mod_tput", + "Traffic Type": "rfc2544", + "Deployment": "ptunp", + "biDirectional": 'True', + "Tunnel Type": "vxlan", + "Description": ("Tunneling Throughput RFC2544 Test." + "The encap and decap are performed inside the " + "virtual switch itself in each direction to avoid " + "the need of ingress overlay traffic."), + }, + { "Name": "overlay_p2p_tput", "Traffic Type": "rfc2544", "Deployment": "op2p", diff --git a/conf/integration/02_vswitch.conf b/conf/integration/02_vswitch.conf index 6bdf79d3..68eaf73e 100644 --- a/conf/integration/02_vswitch.conf +++ b/conf/integration/02_vswitch.conf @@ -28,3 +28,15 @@ TUNNEL_TYPE = 'vxlan' DUT_NIC1_MAC = '' # Used for OVS DPDK Decap DUT_NIC2_MAC = '' + +#Tunnel bridge configuration for P-TUN-P(VxLAN) deployment scenario +# to test VxLAN performance without any overlay ingress traffic by doing the +# encap decap inside the virtual switch itself. +TUNNEL_EXTERNAL_BRIDGE1 = 'br-phy1' +TUNNEL_EXTERNAL_BRIDGE2 = 'br-phy2' +TUNNEL_MODIFY_BRIDGE1 = 'br-mod1' +TUNNEL_MODIFY_BRIDGE2 = 'br-mod2' +TUNNEL_MODIFY_BRIDGE_MAC1 = '00:00:10:00:00:01' +TUNNEL_MODIFY_BRIDGE_MAC2 = '00:00:20:00:00:01' +TUNNEL_MODIFY_BRIDGE_IP1 = '10.0.0.1/24' +TUNNEL_MODIFY_BRIDGE_IP2 = '20.0.0.1/24' diff --git a/core/component_factory.py b/core/component_factory.py index a91872e2..258b7232 100644 --- a/core/component_factory.py +++ b/core/component_factory.py @@ -21,6 +21,7 @@ from core.vswitch_controller_p2p import VswitchControllerP2P from core.vswitch_controller_pvp import VswitchControllerPVP from core.vswitch_controller_pvvp import VswitchControllerPVVP from core.vswitch_controller_op2p import VswitchControllerOP2P +from core.vswitch_controller_ptunp import VswitchControllerPtunP from core.vnf_controller import VnfController from core.pktfwd_controller import PktFwdController from tools.load_gen.stress.stress import Stress @@ -73,6 +74,8 @@ def create_vswitch(deployment_scenario, vswitch_class, traffic, return VswitchControllerPVVP(vswitch_class, traffic) elif deployment_scenario.find("op2p") >= 0: return VswitchControllerOP2P(vswitch_class, traffic, tunnel_operation) + elif deployment_scenario.find("ptunp") >= 0: + return VswitchControllerPtunP(vswitch_class, traffic) elif deployment_scenario.find("clean") >= 0: return VswitchControllerClean(vswitch_class, traffic) diff --git a/core/vswitch_controller_ptunp.py b/core/vswitch_controller_ptunp.py new file mode 100644 index 00000000..27d26789 --- /dev/null +++ b/core/vswitch_controller_ptunp.py @@ -0,0 +1,238 @@ +# Copyright 2015-2016 Intel Corporation. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""VSwitch controller for Physical to VxLAN Tunnel Endpoint to Physical + deployment with mod operation. +""" + +import logging +from netaddr import EUI, IPNetwork, mac_unix + +from core.vswitch_controller import IVswitchController +from vswitches.utils import add_ports_to_flow +from conf import settings +from tools import tasks + +_FLOW_TEMPLATE = { + 'idle_timeout': '0' +} + +class VswitchControllerPtunP(IVswitchController): + """VSwitch controller for VxLAN ptunp deployment scenario. + The deployment scenario is to test VxLAN tunneling feature without using an + overlay ingress traffic. The VxLAN encap and decap performed in the virtual + switch in each direction. + + Attributes: + _vswitch_class: The vSwitch class to be used. + _vswitch: The vSwitch object controlled by this controller + _deployment_scenario: A string describing the scenario to set-up in the + constructor. + """ + def __init__(self, vswitch_class, traffic): + """Initializes up the prerequisites for the ptunp deployment scenario. + + :vswitch_class: the vSwitch class to be used. + """ + self._logger = logging.getLogger(__name__) + self._vswitch_class = vswitch_class + self._vswitch = vswitch_class() + self._deployment_scenario = "ptunp" + self._traffic = traffic.copy() + self.bridge_phy1 = settings.getValue('TUNNEL_EXTERNAL_BRIDGE1') + self.bridge_phy2 = settings.getValue('TUNNEL_EXTERNAL_BRIDGE2') + self.bridge_mod1 = settings.getValue('TUNNEL_MODIFY_BRIDGE1') + self.bridge_mod2 = settings.getValue('TUNNEL_MODIFY_BRIDGE2') + self.br_mod_mac1 = settings.getValue('TUNNEL_MODIFY_BRIDGE_MAC1') + self.br_mod_mac2 = settings.getValue('TUNNEL_MODIFY_BRIDGE_MAC2') + self.br_mod_ip1 = settings.getValue('TUNNEL_MODIFY_BRIDGE_IP1') + self.br_mod_ip2 = settings.getValue('TUNNEL_MODIFY_BRIDGE_IP2') + self.tunnel_type = settings.getValue('TUNNEL_TYPE') + self._logger.debug('Creation using ' + str(self._vswitch_class)) + + def setup(self): + """ Sets up the switch for VxLAN overlay PTUNP (tunnel encap or decap) + """ + self._logger.debug('Setting up phy-tun-phy tunneling scenario') + if self.tunnel_type is 'vxlan': + self._setup_vxlan_encap_decap() + else: + self._logger.error("Only VxLAN is supported for now") + raise NotImplementedError + + def _setup_vxlan_encap_decap(self): + """ Sets up switches for VxLAN overlay P-TUN-P test. + + Create 2 bridges br-phy1 and br-phy2 (The bridge to connect + physical ports. Two more bridges br-mod1 and br-mod2 to mangle + and redirect the packets from one tunnel port to other. + """ + self._logger.debug('Setup using ' + str(self._vswitch_class)) + try: + self._vswitch.start() + self._vswitch.add_switch(self.bridge_phy1) + self._vswitch.add_switch(self.bridge_phy2) + self._vswitch.add_switch(self.bridge_mod1, + params=["other_config:hwaddr=" + + self.br_mod_mac1 + ]) + self._vswitch.add_switch(self.bridge_mod2, + params=["other_config:hwaddr=" + + self.br_mod_mac2 + ]) + + tasks.run_task(['sudo', 'iptables', '-F'], + self._logger, 'Clean ip tables', + False) + tasks.run_task(['sudo', 'ip', 'addr', 'add', + self.br_mod_ip1, 'dev', self.bridge_mod1], + self._logger, 'Assign ' + + self.br_mod_ip1 + ' to ' + self.bridge_mod1, + False) + tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', self.bridge_mod1, 'up'], + self._logger, 'Bring up ' + self.bridge_mod1, False) + + tasks.run_task(['sudo', 'ip', 'addr', 'add', + self.br_mod_ip2, 'dev', self.bridge_mod2], + self._logger, 'Assign ' + + self.br_mod_ip2 + ' to ' + self.bridge_mod2, + False) + tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', self.bridge_mod2, 'up'], + self._logger, 'Bring up ' + self.bridge_mod2, False) + + tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', self.bridge_phy1, 'up'], + self._logger, 'Bring up ' + self.bridge_phy1, False) + tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', self.bridge_phy2, 'up'], + self._logger, 'Bring up ' + self.bridge_phy2, False) + self._vswitch.add_route(self.bridge_phy1, self.br_mod_ip1, self.bridge_mod1) + self._vswitch.add_route(self.bridge_phy2, self.br_mod_ip2, self.bridge_mod2) + + # Create tunnel ip and mac from the bridge ips + vxlan_local_ip1 = str(IPNetwork(self.br_mod_ip1).ip) + vxlan_local_ip2 = str(IPNetwork(self.br_mod_ip2).ip) + vxlan_rem_ip1 = str(IPNetwork(self.br_mod_ip1).ip + 1) + vxlan_rem_ip2 = str(IPNetwork(self.br_mod_ip2).ip + 1) + vxlan_rem_mac1 = EUI(int(EUI(self.br_mod_mac1)) + 1) + vxlan_rem_mac1.dialect = mac_unix + vxlan_rem_mac2 = EUI(int(EUI(self.br_mod_mac2)) + 1) + vxlan_rem_mac2.dialect = mac_unix + self._vswitch.set_tunnel_arp(vxlan_local_ip1, self.br_mod_mac1, + self.bridge_phy1) + self._vswitch.set_tunnel_arp(vxlan_local_ip2, self.br_mod_mac2, + self.bridge_phy2) + self._vswitch.set_tunnel_arp(vxlan_rem_ip1, str(vxlan_rem_mac1), + self.bridge_mod1) + self._vswitch.set_tunnel_arp(vxlan_rem_ip2, str(vxlan_rem_mac2), + self.bridge_mod2) + + # Lets add the ports to bridges + (_, phy1_number) = self._vswitch.add_phy_port(self.bridge_phy1) + (_, phy2_number) = self._vswitch.add_phy_port(self.bridge_phy2) + vxlan_vni = 'options:key=' + settings.getValue('VXLAN_VNI') + (_, phy3_number) = self._vswitch.add_tunnel_port(self.bridge_phy1, + vxlan_rem_ip1, + "vxlan", + params=[vxlan_vni]) + (_, phy4_number) = self._vswitch.add_tunnel_port(self.bridge_phy2, + vxlan_rem_ip2, + "vxlan", + params=[vxlan_vni]) + [(_, phy5_number), (_, phy6_number)] = \ + self._vswitch.add_veth_pair_port(self.bridge_mod1, self.bridge_mod2) + + # Set up flows for the switches + self._vswitch.del_flow(self.bridge_phy1) + self._vswitch.del_flow(self.bridge_phy2) + self._vswitch.del_flow(self.bridge_mod1) + self._vswitch.del_flow(self.bridge_mod2) + flow = add_ports_to_flow(_FLOW_TEMPLATE, phy1_number, + phy3_number) + self._vswitch.add_flow(self.bridge_phy1, flow) + flow = add_ports_to_flow(_FLOW_TEMPLATE, phy3_number, + phy1_number) + self._vswitch.add_flow(self.bridge_phy1, flow) + + flow = add_ports_to_flow(_FLOW_TEMPLATE, phy2_number, + phy4_number) + self._vswitch.add_flow(self.bridge_phy2, flow) + flow = add_ports_to_flow(_FLOW_TEMPLATE, phy4_number, + phy2_number) + self._vswitch.add_flow(self.bridge_phy2, flow) + flow = add_ports_to_flow(_FLOW_TEMPLATE, phy5_number, + 'LOCAL') + self._vswitch.add_flow(self.bridge_mod1, flow) + mod_flow_template = _FLOW_TEMPLATE.copy() + mod_flow_template.update({'ip':'', + 'actions': + ['mod_dl_src:' + str(vxlan_rem_mac2), + 'mod_dl_dst:' + self.br_mod_mac2, + 'mod_nw_src:' + vxlan_rem_ip2, + 'mod_nw_dst:' + vxlan_local_ip2 + ] + }) + flow = add_ports_to_flow(mod_flow_template, 'LOCAL', phy5_number) + self._vswitch.add_flow(self.bridge_mod1, flow) + flow = add_ports_to_flow(_FLOW_TEMPLATE, phy6_number, + 'LOCAL') + self._vswitch.add_flow(self.bridge_mod2, flow) + mod_flow_template = _FLOW_TEMPLATE.copy() + mod_flow_template.update({'ip':'', + 'actions': + ['mod_dl_src:' + str(vxlan_rem_mac1), + 'mod_dl_dst:' + self.br_mod_mac1, + 'mod_nw_src:' + vxlan_rem_ip1, + 'mod_nw_dst:' + vxlan_local_ip1] + }) + flow = add_ports_to_flow(mod_flow_template, 'LOCAL', phy6_number) + self._vswitch.add_flow(self.bridge_mod2, flow) + + except: + self._vswitch.stop() + raise + + def stop(self): + """Tears down the switch created in setup(). + """ + self._logger.debug('Stop using ' + str(self._vswitch_class)) + self._vswitch.stop() + + def __enter__(self): + self.setup() + + def __exit__(self, type_, value, traceback): + self.stop() + + def get_vswitch(self): + """See IVswitchController for description + """ + return self._vswitch + + def get_ports_info(self): + """See IVswitchController for description + """ + self._logger.debug('get_ports_info using ' + str(self._vswitch_class)) + ports = self._vswitch.get_ports(self.bridge_phy1) +\ + self._vswitch.get_ports(self.bridge_mod1) +\ + self._vswitch.get_ports(self.bridge_phy2) +\ + self._vswitch.get_ports(self.bridge_mod2) + return ports + + def dump_vswitch_flows(self): + """See IVswitchController for description + """ + self._logger.debug('dump_flows using ' + str(self._vswitch_class)) + self._vswitch.dump_flows(self.bridge_phy1) + self._vswitch.dump_flows(self.bridge_mod1) + self._vswitch.dump_flows(self.bridge_phy2) + self._vswitch.dump_flows(self.bridge_mod2) diff --git a/docs/userguide/integration.rst b/docs/userguide/integration.rst index c7886536..51c2f241 100755 --- a/docs/userguide/integration.rst +++ b/docs/userguide/integration.rst @@ -831,3 +831,52 @@ To run GENEVE decapsulation tests: ./vsperf --conf-file user_settings.py --integration --test-params 'tunnel_type=geneve' overlay_p2p_decap_cont + +Executing Tunnel encapsulation+decapsulation tests +-------------------------------------------------- + +The OVS DPDK encapsulation_decapsulation tests requires IPs, MAC addresses, +bridge names and WHITELIST_NICS for DPDK. + +The test cases can test the tunneling encap and decap without using any ingress +overlay traffic as compared to above test cases. To achieve this the OVS is +configured to perform encap and decap in a series on the same traffic stream as +given below. + +TRAFFIC-IN --> [ENCAP] --> [MOD-PKT] --> [DECAP] --> TRAFFIC-OUT + + +Default values are already provided. To customize for your environment, override +the following variables in you user_settings.py file: + + .. code-block:: python + + # Variables defined in conf/integration/02_vswitch.conf + + # Bridge names + TUNNEL_EXTERNAL_BRIDGE1 = 'br-phy1' + TUNNEL_EXTERNAL_BRIDGE2 = 'br-phy2' + TUNNEL_MODIFY_BRIDGE1 = 'br-mod1' + TUNNEL_MODIFY_BRIDGE2 = 'br-mod2' + + # IP of br-mod1 + TUNNEL_MODIFY_BRIDGE_IP1 = '10.0.0.1/24' + + # Mac of br-mod1 + TUNNEL_MODIFY_BRIDGE_MAC1 = '00:00:10:00:00:01' + + # IP of br-mod2 + TUNNEL_MODIFY_BRIDGE_IP2 = '20.0.0.1/24' + + #Mac of br-mod2 + TUNNEL_MODIFY_BRIDGE_MAC2 = '00:00:20:00:00:01' + + # vxlan|gre|geneve, Only VXLAN is supported for now. + TUNNEL_TYPE = 'vxlan' + +To run VXLAN encapsulation+decapsulation tests: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py --integration + overlay_p2p_mod_tput diff --git a/vswitches/ovs.py b/vswitches/ovs.py index 243619b6..d2814b6a 100644 --- a/vswitches/ovs.py +++ b/vswitches/ovs.py @@ -122,6 +122,38 @@ class IVSwitchOvs(IVSwitch, tasks.Process): """ raise NotImplementedError + def add_veth_pair_port(self, switch_name=None, remote_switch_name=None, + local_opts=None, remote_opts=None): + """Creates veth-pair port between 'switch_name' and 'remote_switch_name' + + """ + if switch_name is None or remote_switch_name is None: + return + + bridge = self._bridges[switch_name] + remote_bridge = self._bridges[remote_switch_name] + pcount = str(self._get_port_count('type=patch')) + # TODO ::: What if interface name longer than allowed width?? + local_port_name = switch_name + '-' + remote_switch_name + '-' + pcount + remote_port_name = remote_switch_name + '-' + switch_name + '-' + pcount + local_params = ['--', 'set', 'Interface', local_port_name, + 'type=patch', + 'options:peer=' + remote_port_name] + remote_params = ['--', 'set', 'Interface', remote_port_name, + 'type=patch', + 'options:peer=' + local_port_name] + + if local_opts is not None: + local_params = local_params + local_opts + + if remote_opts is not None: + remote_params = remote_params + remote_opts + + local_of_port = bridge.add_port(local_port_name, local_params) + remote_of_port = remote_bridge.add_port(remote_port_name, remote_params) + return [(local_port_name, local_of_port), + (remote_port_name, remote_of_port)] + def add_tunnel_port(self, switch_name, remote_ip, tunnel_type='vxlan', params=None): """Creates tunneling port """ |