Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 1 | # |
| 2 | # Copyright 2016 the original author or authors. |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | # |
| 16 | |
| 17 | """ |
| 18 | Tibit ONU device adapter |
| 19 | """ |
| 20 | |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 21 | import json |
| 22 | |
| 23 | from uuid import uuid4 |
| 24 | |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 25 | import structlog |
| 26 | from zope.interface import implementer |
| 27 | |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 28 | from scapy.layers.inet import ICMP, IP |
| 29 | from scapy.layers.l2 import Ether |
| 30 | from twisted.internet.defer import DeferredQueue, inlineCallbacks |
| 31 | from twisted.internet import reactor |
| 32 | |
Zsolt Haraszti | 85f1285 | 2016-12-24 08:30:58 -0800 | [diff] [blame^] | 33 | from voltha.core.flow_decomposer import * |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 34 | from voltha.core.logical_device_agent import mac_str_to_tuple |
| 35 | |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 36 | from voltha.adapters.interface import IAdapterInterface |
| 37 | from voltha.protos.adapter_pb2 import Adapter, AdapterConfig |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 38 | from voltha.protos.device_pb2 import Port |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 39 | from voltha.protos.device_pb2 import DeviceType, DeviceTypes |
| 40 | from voltha.protos.health_pb2 import HealthStatus |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 41 | from voltha.protos.common_pb2 import LogLevel, ConnectStatus |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 42 | from voltha.protos.common_pb2 import OperStatus, AdminState |
| 43 | |
| 44 | from voltha.protos.logical_device_pb2 import LogicalDevice, LogicalPort |
| 45 | from voltha.protos.openflow_13_pb2 import ofp_desc, ofp_port, OFPPF_10GB_FD, \ |
| 46 | OFPPF_FIBER, OFPPS_LIVE, ofp_switch_features, OFPC_PORT_STATS, \ |
| 47 | OFPC_GROUP_STATS, OFPC_TABLE_STATS, OFPC_FLOW_STATS |
| 48 | |
| 49 | from scapy.packet import Packet, bind_layers |
| 50 | from scapy.fields import StrField |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 51 | |
| 52 | log = structlog.get_logger() |
| 53 | |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 54 | from EOAM_TLV import AddStaticMacAddress, DeleteStaticMacAddress |
| 55 | from EOAM_TLV import ClearStaticMacTable |
Nathan Knuth | 6e57f33 | 2016-12-22 15:49:20 -0800 | [diff] [blame] | 56 | from EOAM_TLV import DeviceId |
| 57 | from EOAM import EOAMPayload, CablelabsOUI |
| 58 | from EOAM import DPoEOpcode_GetRequest, DPoEOpcode_SetRequest |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 59 | |
| 60 | @implementer(IAdapterInterface) |
| 61 | class TibitOnuAdapter(object): |
| 62 | |
| 63 | name = 'tibit_onu' |
| 64 | |
| 65 | supported_device_types = [ |
| 66 | DeviceType( |
| 67 | id='tibit_onu', |
| 68 | adapter=name, |
| 69 | accepts_bulk_flow_update=True |
| 70 | ) |
| 71 | ] |
| 72 | |
| 73 | def __init__(self, adapter_agent, config): |
| 74 | self.adapter_agent = adapter_agent |
| 75 | self.config = config |
| 76 | self.descriptor = Adapter( |
| 77 | id=self.name, |
| 78 | vendor='Tibit Communications Inc.', |
| 79 | version='0.1', |
| 80 | config=AdapterConfig(log_level=LogLevel.INFO) |
| 81 | ) |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 82 | self.incoming_messages = DeferredQueue() |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 83 | |
| 84 | def start(self): |
| 85 | log.debug('starting') |
| 86 | log.info('started') |
| 87 | |
| 88 | def stop(self): |
| 89 | log.debug('stopping') |
| 90 | log.info('stopped') |
| 91 | |
| 92 | def adapter_descriptor(self): |
| 93 | return self.descriptor |
| 94 | |
| 95 | def device_types(self): |
| 96 | return DeviceTypes(items=self.supported_device_types) |
| 97 | |
| 98 | def health(self): |
| 99 | return HealthStatus(state=HealthStatus.HealthState.HEALTHY) |
| 100 | |
| 101 | def change_master_state(self, master): |
| 102 | raise NotImplementedError() |
| 103 | |
| 104 | def adopt_device(self, device): |
| 105 | log.info('adopt-device', device=device) |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 106 | reactor.callLater(0.1, self._onu_device_activation, device) |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 107 | return device |
| 108 | |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 109 | @inlineCallbacks |
| 110 | def _onu_device_activation(self, device): |
| 111 | # first we verify that we got parent reference and proxy info |
| 112 | assert device.parent_id |
| 113 | assert device.proxy_address.device_id |
| 114 | assert device.proxy_address.channel_id |
| 115 | |
| 116 | # TODO: For now, pretend that we were able to contact the device and obtain |
| 117 | # additional information about it. Should add real message. |
| 118 | device.vendor = 'Tibit Communications, Inc.' |
| 119 | device.model = '10G GPON ONU' |
| 120 | device.hardware_version = 'fa161020' |
| 121 | device.firmware_version = '16.10.01' |
| 122 | device.software_version = '1.0' |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 123 | device.serial_number = uuid4().hex |
| 124 | device.connect_status = ConnectStatus.REACHABLE |
| 125 | self.adapter_agent.update_device(device) |
| 126 | |
| 127 | # then shortly after we create some ports for the device |
| 128 | uni_port = Port( |
| 129 | port_no=2, |
| 130 | label='UNI facing Ethernet port', |
| 131 | type=Port.ETHERNET_UNI, |
| 132 | admin_state=AdminState.ENABLED, |
| 133 | oper_status=OperStatus.ACTIVE |
| 134 | ) |
| 135 | self.adapter_agent.add_port(device.id, uni_port) |
| 136 | self.adapter_agent.add_port(device.id, Port( |
| 137 | port_no=1, |
| 138 | label='PON port', |
| 139 | type=Port.PON_ONU, |
| 140 | admin_state=AdminState.ENABLED, |
| 141 | oper_status=OperStatus.ACTIVE, |
| 142 | peers=[ |
| 143 | Port.PeerPort( |
| 144 | device_id=device.parent_id, |
| 145 | port_no=device.parent_port_no |
| 146 | ) |
| 147 | ] |
| 148 | )) |
| 149 | |
| 150 | # TODO adding vports to the logical device shall be done by agent? |
| 151 | # then we create the logical device port that corresponds to the UNI |
| 152 | # port of the device |
| 153 | |
| 154 | # obtain logical device id |
| 155 | parent_device = self.adapter_agent.get_device(device.parent_id) |
| 156 | logical_device_id = parent_device.parent_id |
| 157 | assert logical_device_id |
| 158 | |
| 159 | # we are going to use the proxy_address.channel_id as unique number |
| 160 | # and name for the virtual ports, as this is guaranteed to be unique |
| 161 | # in the context of the OLT port, so it is also unique in the context |
| 162 | # of the logical device |
| 163 | port_no = device.proxy_address.channel_id |
| 164 | cap = OFPPF_10GB_FD | OFPPF_FIBER |
| 165 | self.adapter_agent.add_logical_port(logical_device_id, LogicalPort( |
| 166 | id=str(port_no), |
| 167 | ofp_port=ofp_port( |
| 168 | port_no=port_no, |
| 169 | hw_addr=mac_str_to_tuple(device.mac_address), |
| 170 | name='uni-{}'.format(port_no), |
| 171 | config=0, |
| 172 | state=OFPPS_LIVE, |
| 173 | curr=cap, |
| 174 | advertised=cap, |
| 175 | peer=cap, |
| 176 | curr_speed=OFPPF_10GB_FD, |
| 177 | max_speed=OFPPF_10GB_FD |
| 178 | ), |
| 179 | device_id=device.id, |
| 180 | device_port_no=uni_port.port_no |
| 181 | )) |
| 182 | |
| 183 | # simulate a proxied message sending and receving a reply |
| 184 | reply = yield self._message_exchange(device) |
| 185 | |
| 186 | # and finally update to "ACTIVE" |
| 187 | device = self.adapter_agent.get_device(device.id) |
| 188 | device.oper_status = OperStatus.ACTIVE |
| 189 | self.adapter_agent.update_device(device) |
| 190 | |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 191 | def abandon_device(self, device): |
| 192 | raise NotImplementedError(0 |
| 193 | ) |
| 194 | def deactivate_device(self, device): |
| 195 | raise NotImplementedError() |
| 196 | |
| 197 | def update_flows_bulk(self, device, flows, groups): |
| 198 | log.debug('bulk-flow-update', device_id=device.id, |
| 199 | flows=flows, groups=groups) |
| 200 | |
Zsolt Haraszti | 85f1285 | 2016-12-24 08:30:58 -0800 | [diff] [blame^] | 201 | # sample code that analyzes the incoming flow table |
| 202 | assert len(groups.items) == 0, "Cannot yet deal with groups" |
| 203 | |
| 204 | for flow in flows.items: |
| 205 | in_port = get_in_port(flow) |
| 206 | assert in_port is not None |
| 207 | |
| 208 | if in_port == 2: |
| 209 | |
| 210 | # Downstream rule |
| 211 | |
| 212 | for field in get_ofb_fields(flow): |
| 213 | if field.type == ETH_TYPE: |
| 214 | _type = field.eth_type |
| 215 | pass # construct ether type based condition here |
| 216 | |
| 217 | elif field.type == IP_PROTO: |
| 218 | _proto = field.ip_proto |
| 219 | pass # construct ip_proto based condition here |
| 220 | |
| 221 | elif field.type == IN_PORT: |
| 222 | _port = field.port |
| 223 | pass # construct in_port based condition here |
| 224 | |
| 225 | elif field.type == VLAN_VID: |
| 226 | _vlan_vid = field.vlan_vid |
| 227 | pass # construct VLAN ID based filter condition here |
| 228 | |
| 229 | elif field.type == VLAN_PCP: |
| 230 | _vlan_pcp = field.vlan_pcp |
| 231 | pass # construct VLAN PCP based filter condition here |
| 232 | |
| 233 | # TODO |
| 234 | else: |
| 235 | raise NotImplementedError('field.type={}'.format( |
| 236 | field.type)) |
| 237 | |
| 238 | for action in get_actions(flow): |
| 239 | |
| 240 | if action.type == OUTPUT: |
| 241 | pass # construct packet emit rule here |
| 242 | |
| 243 | elif action.type == PUSH_VLAN: |
| 244 | if action.push.ethertype != 0x8100: |
| 245 | log.error('unhandled-ether-type', |
| 246 | ethertype=action.push.ethertype) |
| 247 | pass # construct vlan push command here |
| 248 | |
| 249 | elif action.type == POP_VLAN: |
| 250 | pass # construct vlan pop command here |
| 251 | |
| 252 | elif action.type == SET_FIELD: |
| 253 | assert (action.set_field.field.oxm_class == |
| 254 | ofp.OFPXMC_OPENFLOW_BASIC) |
| 255 | field = action.set_field.field.ofb_field |
| 256 | if field.type == VLAN_VID: |
| 257 | pass # construct vlan_id set command here |
| 258 | else: |
| 259 | log.error('unsupported-action-set-field-type', |
| 260 | field_type=field.type) |
| 261 | |
| 262 | else: |
| 263 | log.error('unsupported-action-type', |
| 264 | action_type=action.type) |
| 265 | |
| 266 | # final assembly of low level device flow rule and pushing it |
| 267 | # down to device |
| 268 | pass |
| 269 | |
| 270 | elif in_port == 1: |
| 271 | |
| 272 | # Upstream rule |
| 273 | |
| 274 | for field in get_ofb_fields(flow): |
| 275 | if field.type == ETH_TYPE: |
| 276 | _type = field.eth_type |
| 277 | pass # construct ether type based condition here |
| 278 | |
| 279 | elif field.type == IP_PROTO: |
| 280 | _proto = field.ip_proto |
| 281 | pass # construct ip_proto based condition here |
| 282 | |
| 283 | elif field.type == IN_PORT: |
| 284 | _port = field.port |
| 285 | pass # construct in_port based condition here |
| 286 | |
| 287 | elif field.type == VLAN_VID: |
| 288 | _vlan_vid = field.vlan_vid |
| 289 | pass # construct VLAN ID based filter condition here |
| 290 | |
| 291 | elif field.type == VLAN_PCP: |
| 292 | _vlan_pcp = field.vlan_pcp |
| 293 | pass # construct VLAN PCP based filter condition here |
| 294 | |
| 295 | elif field.type == IPV4_DST: |
| 296 | _ipv4_dst = field.ipv4_dst |
| 297 | pass # construct IPv4 DST address based condition |
| 298 | |
| 299 | elif field.type == UDP_DST: |
| 300 | _udp_dst = field.udp_dst |
| 301 | pass # construct UDP SDT based filter here |
| 302 | |
| 303 | # TODO |
| 304 | else: |
| 305 | raise NotImplementedError('field.type={}'.format( |
| 306 | field.type)) |
| 307 | |
| 308 | for action in get_actions(flow): |
| 309 | |
| 310 | if action.type == OUTPUT: |
| 311 | pass # construct packet emit rule here |
| 312 | |
| 313 | elif action.type == PUSH_VLAN: |
| 314 | if action.push.ethertype != 0x8100: |
| 315 | log.error('unhandled-ether-type', |
| 316 | ethertype=action.push.ethertype) |
| 317 | pass # construct vlan push command here |
| 318 | |
| 319 | elif action.type == SET_FIELD: |
| 320 | assert (action.set_field.field.oxm_class == |
| 321 | ofp.OFPXMC_OPENFLOW_BASIC) |
| 322 | field = action.set_field.field.ofb_field |
| 323 | if field.type == VLAN_VID: |
| 324 | pass # construct vlan_id set command here |
| 325 | else: |
| 326 | log.error('unsupported-action-set-field-type', |
| 327 | field_type=field.type) |
| 328 | |
| 329 | else: |
| 330 | log.error('unsupported-action-type', |
| 331 | action_type=action.type) |
| 332 | |
| 333 | # final assembly of low level device flow rule and pushing it |
| 334 | # down to device |
| 335 | pass |
| 336 | |
| 337 | else: |
| 338 | raise Exception('Port should be 1 or 2 by our convention') |
| 339 | |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 340 | def update_flows_incrementally(self, device, flow_changes, group_changes): |
| 341 | raise NotImplementedError() |
| 342 | |
| 343 | def send_proxied_message(self, proxy_address, msg): |
| 344 | raise NotImplementedError() |
| 345 | |
| 346 | def receive_proxied_message(self, proxy_address, msg): |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 347 | log.debug('receive-proxied-message', |
Zsolt Haraszti | ed09160 | 2016-12-08 13:36:38 -0800 | [diff] [blame] | 348 | proxy_address=proxy_address, msg=msg) |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 349 | self.incoming_messages.put(msg) |
| 350 | |
| 351 | @inlineCallbacks |
| 352 | def _message_exchange(self, device): |
| 353 | |
| 354 | # register for receiving async messages |
| 355 | self.adapter_agent.register_for_proxied_messages(device.proxy_address) |
| 356 | |
| 357 | # reset incoming message queue |
| 358 | while self.incoming_messages.pending: |
| 359 | _ = yield self.incoming_messages.get() |
| 360 | |
| 361 | # construct message |
Nathan Knuth | 6e57f33 | 2016-12-22 15:49:20 -0800 | [diff] [blame] | 362 | msg = EOAMPayload(body=CablelabsOUI() / |
| 363 | DPoEOpcode_GetRequest() / |
| 364 | DeviceId() |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 365 | ) |
| 366 | |
| 367 | # send message |
Nathan Knuth | 6e57f33 | 2016-12-22 15:49:20 -0800 | [diff] [blame] | 368 | log.info('ONU-send-proxied-message') |
Zsolt Haraszti | 348d193 | 2016-12-10 01:10:07 -0800 | [diff] [blame] | 369 | self.adapter_agent.send_proxied_message(device.proxy_address, msg) |
| 370 | |
| 371 | log.info('ONU-log incoming messages BEFORE') |
| 372 | # wait till we detect incoming message |
| 373 | yield self.incoming_messages.get() |
| 374 | log.info('ONU-log incoming messages AFTER') |
| 375 | |
| 376 | # by returning we allow the device to be shown as active, which |
| 377 | # indirectly verified that message passing works |