David K. Bainbridge | 157bdab | 2020-01-16 14:38:05 -0800 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2020 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 | package openflow |
| 18 | |
| 19 | import ( |
| 20 | "context" |
| 21 | "encoding/json" |
| 22 | ofp "github.com/donNewtonAlpha/goloxi/of13" |
David K. Bainbridge | aea73cd | 2020-01-27 10:44:50 -0800 | [diff] [blame] | 23 | "github.com/opencord/voltha-lib-go/v3/pkg/log" |
| 24 | "github.com/opencord/voltha-protos/v3/go/openflow_13" |
| 25 | "github.com/opencord/voltha-protos/v3/go/voltha" |
David K. Bainbridge | 157bdab | 2020-01-16 14:38:05 -0800 | [diff] [blame] | 26 | ) |
| 27 | |
| 28 | var oxmMap = map[string]int32{ |
| 29 | "in_port": 0, |
| 30 | "in_phy_port": 1, |
| 31 | "metadata": 2, |
| 32 | "eth_dst": 3, |
| 33 | "eth_src": 4, |
| 34 | "eth_type": 5, |
| 35 | "vlan_vid": 6, |
| 36 | "vlan_pcp": 7, |
| 37 | "ip_dscp": 8, |
| 38 | "ip_ecn": 9, |
| 39 | "ip_proto": 10, |
| 40 | "ipv4_src": 11, |
| 41 | "ipv4_dst": 12, |
| 42 | "tcp_src": 13, |
| 43 | "tcp_dst": 14, |
| 44 | "udp_src": 15, |
| 45 | "udp_dst": 16, |
| 46 | "sctp_src": 17, |
| 47 | "sctp_dst": 18, |
| 48 | "icmpv4_type": 19, |
| 49 | "icmpv4_code": 20, |
| 50 | "arp_op": 21, |
| 51 | "arp_spa": 22, |
| 52 | "arp_tpa": 23, |
| 53 | "arp_sha": 24, |
| 54 | "arp_tha": 25, |
| 55 | "ipv6_src": 26, |
| 56 | "ipv6_dst": 27, |
| 57 | "ipv6_flabel": 28, |
| 58 | "icmpv6_type": 29, |
| 59 | "icmpv6_code": 30, |
| 60 | "ipv6_nd_target": 31, |
| 61 | "ipv6_nd_sll": 32, |
| 62 | "ipv6_nd_tll": 33, |
| 63 | "mpls_label": 34, |
| 64 | "mpls_tc": 35, |
| 65 | "mpls_bos": 36, |
| 66 | "pbb_isid": 37, |
| 67 | "tunnel_id": 38, |
| 68 | "ipv6_exthdr": 39, |
| 69 | } |
| 70 | |
| 71 | func (ofc *OFClient) handleFlowAdd(flowAdd *ofp.FlowAdd) { |
| 72 | if logger.V(log.DebugLevel) { |
| 73 | js, _ := json.Marshal(flowAdd) |
| 74 | logger.Debugw("handleFlowAdd called", |
| 75 | log.Fields{ |
| 76 | "device-id": ofc.DeviceID, |
| 77 | "params": js}) |
| 78 | } |
| 79 | |
| 80 | // Construct the match |
| 81 | var oxmList []*voltha.OfpOxmField |
| 82 | for _, oxmField := range flowAdd.Match.GetOxmList() { |
| 83 | name := oxmMap[oxmField.GetOXMName()] |
| 84 | val := oxmField.GetOXMValue() |
| 85 | field := voltha.OfpOxmOfbField{Type: voltha.OxmOfbFieldTypes(name)} |
| 86 | ofpOxmField := voltha.OfpOxmField{ |
| 87 | OxmClass: ofp.OFPXMCOpenflowBasic, |
| 88 | Field: &openflow_13.OfpOxmField_OfbField{OfbField: &field}, |
| 89 | } |
| 90 | switch voltha.OxmOfbFieldTypes(name) { |
| 91 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_IN_PORT: |
| 92 | field.Value = &voltha.OfpOxmOfbField_Port{ |
| 93 | Port: uint32(val.(ofp.Port)), |
| 94 | } |
| 95 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_IN_PHY_PORT: |
| 96 | field.Value = &voltha.OfpOxmOfbField_PhysicalPort{ |
| 97 | PhysicalPort: val.(uint32), |
| 98 | } |
| 99 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_METADATA: |
| 100 | field.Value = &voltha.OfpOxmOfbField_TableMetadata{ |
| 101 | TableMetadata: val.(uint64), |
| 102 | } |
| 103 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_ETH_TYPE: |
| 104 | field.Value = &voltha.OfpOxmOfbField_EthType{ |
| 105 | EthType: uint32(val.(ofp.EthernetType)), |
| 106 | } |
| 107 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_IP_PROTO: |
| 108 | field.Value = &voltha.OfpOxmOfbField_IpProto{ |
| 109 | IpProto: uint32(val.(ofp.IpPrototype)), |
| 110 | } |
| 111 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_UDP_SRC: |
| 112 | field.Value = &voltha.OfpOxmOfbField_UdpSrc{ |
| 113 | UdpSrc: uint32(val.(uint16)), |
| 114 | } |
| 115 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_UDP_DST: |
| 116 | field.Value = &voltha.OfpOxmOfbField_UdpDst{ |
| 117 | UdpDst: uint32(val.(uint16)), |
| 118 | } |
| 119 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_VID: |
| 120 | field.Value = &voltha.OfpOxmOfbField_VlanVid{ |
| 121 | VlanVid: uint32((val.(uint16) & 0xfff) | 0x1000), |
| 122 | } |
| 123 | } |
| 124 | oxmList = append(oxmList, &ofpOxmField) |
| 125 | } |
| 126 | |
| 127 | // Construct the instructions |
| 128 | var instructions []*voltha.OfpInstruction |
| 129 | for _, ofpInstruction := range flowAdd.GetInstructions() { |
| 130 | instructionType := ofpInstruction.GetType() |
| 131 | instruction := voltha.OfpInstruction{Type: uint32(instructionType)} |
| 132 | switch instructionType { |
| 133 | case ofp.OFPITGotoTable: |
| 134 | instruction.Data = &openflow_13.OfpInstruction_GotoTable{ |
| 135 | GotoTable: &openflow_13.OfpInstructionGotoTable{ |
| 136 | TableId: uint32(ofpInstruction.(ofp.IInstructionGotoTable).GetTableId()), |
| 137 | }, |
| 138 | } |
| 139 | case ofp.OFPITWriteMetadata: |
| 140 | instruction.Data = &openflow_13.OfpInstruction_WriteMetadata{ |
| 141 | WriteMetadata: &openflow_13.OfpInstructionWriteMetadata{ |
| 142 | Metadata: ofpInstruction.(ofp.IInstructionWriteMetadata).GetMetadata(), |
| 143 | MetadataMask: ofpInstruction.(ofp.IInstructionWriteMetadata).GetMetadataMask(), |
| 144 | }, |
| 145 | } |
| 146 | case ofp.OFPITWriteActions: |
| 147 | var ofpActions []*openflow_13.OfpAction |
| 148 | for _, action := range ofpInstruction.(ofp.IInstructionWriteActions).GetActions() { |
| 149 | ofpActions = append(ofpActions, extractAction(action)) |
| 150 | } |
| 151 | instruction.Data = &openflow_13.OfpInstruction_Actions{ |
| 152 | Actions: &openflow_13.OfpInstructionActions{ |
| 153 | Actions: ofpActions, |
| 154 | }, |
| 155 | } |
| 156 | case ofp.OFPITApplyActions: |
| 157 | var ofpActions []*openflow_13.OfpAction |
| 158 | for _, action := range ofpInstruction.(ofp.IInstructionApplyActions).GetActions() { |
| 159 | ofpActions = append(ofpActions, extractAction(action)) |
| 160 | } |
| 161 | instruction.Data = &openflow_13.OfpInstruction_Actions{ |
| 162 | Actions: &openflow_13.OfpInstructionActions{ |
| 163 | Actions: ofpActions, |
| 164 | }, |
| 165 | } |
| 166 | case ofp.OFPITMeter: |
| 167 | instruction.Data = &openflow_13.OfpInstruction_Meter{ |
| 168 | Meter: &openflow_13.OfpInstructionMeter{ |
| 169 | MeterId: ofpInstruction.(ofp.IInstructionMeter).GetMeterId(), |
| 170 | }, |
| 171 | } |
| 172 | } |
| 173 | instructions = append(instructions, &instruction) |
| 174 | } |
| 175 | |
| 176 | // Construct the request |
| 177 | flowUpdate := openflow_13.FlowTableUpdate{ |
| 178 | Id: ofc.DeviceID, |
| 179 | FlowMod: &voltha.OfpFlowMod{ |
| 180 | Cookie: flowAdd.Cookie, |
| 181 | CookieMask: flowAdd.CookieMask, |
| 182 | TableId: uint32(flowAdd.TableId), |
| 183 | Command: voltha.OfpFlowModCommand_OFPFC_ADD, |
| 184 | IdleTimeout: uint32(flowAdd.IdleTimeout), |
| 185 | HardTimeout: uint32(flowAdd.HardTimeout), |
| 186 | Priority: uint32(flowAdd.Priority), |
| 187 | BufferId: flowAdd.BufferId, |
| 188 | OutPort: uint32(flowAdd.OutPort), |
| 189 | OutGroup: uint32(flowAdd.OutGroup), |
| 190 | Flags: uint32(flowAdd.Flags), |
| 191 | Match: &voltha.OfpMatch{ |
| 192 | Type: voltha.OfpMatchType(flowAdd.Match.GetType()), |
| 193 | OxmFields: oxmList, |
| 194 | }, |
| 195 | |
| 196 | Instructions: instructions, |
| 197 | }, |
| 198 | } |
| 199 | if logger.V(log.DebugLevel) { |
| 200 | flowUpdateJs, _ := json.Marshal(flowUpdate) |
| 201 | logger.Debugf("FlowUpdate being sent to Voltha", |
| 202 | log.Fields{ |
| 203 | "device-id": ofc.DeviceID, |
| 204 | "flow-mod-request": flowUpdateJs}) |
| 205 | } |
| 206 | if _, err := ofc.VolthaClient.UpdateLogicalDeviceFlowTable(context.Background(), &flowUpdate); err != nil { |
| 207 | logger.Errorw("Error calling FlowUpdate ", |
| 208 | log.Fields{ |
| 209 | "device-id": ofc.DeviceID, |
| 210 | "error": err}) |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | func (ofc *OFClient) handleFlowMod(flowMod *ofp.FlowMod) { |
| 215 | if logger.V(log.DebugLevel) { |
| 216 | js, _ := json.Marshal(flowMod) |
| 217 | logger.Debugw("handleMod called", |
| 218 | log.Fields{ |
| 219 | "device-id": ofc.DeviceID, |
| 220 | "flow-mod": js}) |
| 221 | } |
| 222 | logger.Errorw("handleFlowMod not implemented", |
| 223 | log.Fields{"device-id": ofc.DeviceID}) |
| 224 | } |
| 225 | |
| 226 | func (ofc *OFClient) handleFlowModStrict(flowModStrict *ofp.FlowModifyStrict) { |
| 227 | if logger.V(log.DebugLevel) { |
| 228 | js, _ := json.Marshal(flowModStrict) |
| 229 | logger.Debugw("handleFlowModStrict called", |
| 230 | log.Fields{ |
| 231 | "device-id": ofc.DeviceID, |
| 232 | "flow-mod-strict": js}) |
| 233 | } |
| 234 | logger.Error("handleFlowModStrict not implemented", |
| 235 | log.Fields{"device-id": ofc.DeviceID}) |
| 236 | } |
| 237 | |
| 238 | func (ofc *OFClient) handleFlowDelete(flowDelete *ofp.FlowDelete) { |
| 239 | if logger.V(log.DebugLevel) { |
| 240 | js, _ := json.Marshal(flowDelete) |
| 241 | logger.Debugw("handleFlowDelete called", |
| 242 | log.Fields{ |
| 243 | "device-id": ofc.DeviceID, |
| 244 | "flow-delete": js}) |
| 245 | } |
| 246 | logger.Error("handleFlowDelete not implemented", |
| 247 | log.Fields{"device-id": ofc.DeviceID}) |
| 248 | |
| 249 | } |
| 250 | |
| 251 | func (ofc *OFClient) handleFlowDeleteStrict(flowDeleteStrict *ofp.FlowDeleteStrict) { |
| 252 | if logger.V(log.DebugLevel) { |
| 253 | js, _ := json.Marshal(flowDeleteStrict) |
| 254 | logger.Debugw("handleFlowAdd called", |
| 255 | log.Fields{ |
| 256 | "device-id": ofc.DeviceID, |
| 257 | "flow-delete-strict": js}) |
| 258 | } |
| 259 | |
| 260 | // Construct match |
| 261 | var oxmList []*voltha.OfpOxmField |
| 262 | for _, oxmField := range flowDeleteStrict.Match.GetOxmList() { |
| 263 | name := oxmMap[oxmField.GetOXMName()] |
| 264 | val := oxmField.GetOXMValue() |
| 265 | var ofpOxmField voltha.OfpOxmField |
| 266 | ofpOxmField.OxmClass = ofp.OFPXMCOpenflowBasic |
| 267 | var field voltha.OfpOxmOfbField |
| 268 | field.Type = voltha.OxmOfbFieldTypes(name) |
| 269 | |
| 270 | var x openflow_13.OfpOxmField_OfbField |
| 271 | x.OfbField = &field |
| 272 | ofpOxmField.Field = &x |
| 273 | |
| 274 | switch voltha.OxmOfbFieldTypes(name) { |
| 275 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_IN_PORT: |
| 276 | field.Value = &voltha.OfpOxmOfbField_Port{ |
| 277 | Port: uint32(val.(ofp.Port)), |
| 278 | } |
| 279 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_IN_PHY_PORT: |
| 280 | field.Value = &voltha.OfpOxmOfbField_PhysicalPort{ |
| 281 | PhysicalPort: val.(uint32), |
| 282 | } |
| 283 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_METADATA: |
| 284 | field.Value = &voltha.OfpOxmOfbField_TableMetadata{ |
| 285 | TableMetadata: val.(uint64), |
| 286 | } |
| 287 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_ETH_TYPE: |
| 288 | field.Value = &voltha.OfpOxmOfbField_EthType{ |
| 289 | EthType: uint32(val.(ofp.EthernetType)), |
| 290 | } |
| 291 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_IP_PROTO: |
| 292 | field.Value = &voltha.OfpOxmOfbField_IpProto{ |
| 293 | IpProto: uint32(val.(ofp.IpPrototype)), |
| 294 | } |
| 295 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_UDP_SRC: |
| 296 | field.Value = &voltha.OfpOxmOfbField_UdpSrc{ |
| 297 | UdpSrc: uint32(val.(uint16)), |
| 298 | } |
| 299 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_UDP_DST: |
| 300 | field.Value = &voltha.OfpOxmOfbField_UdpDst{ |
| 301 | UdpDst: uint32(val.(uint16)), |
| 302 | } |
| 303 | case voltha.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_VID: |
| 304 | field.Value = &voltha.OfpOxmOfbField_VlanVid{ |
| 305 | VlanVid: uint32(val.(uint16)), |
| 306 | } |
| 307 | } |
| 308 | oxmList = append(oxmList, &ofpOxmField) |
| 309 | } |
| 310 | |
| 311 | // Construct request |
| 312 | flowUpdate := openflow_13.FlowTableUpdate{ |
| 313 | Id: ofc.DeviceID, |
| 314 | FlowMod: &voltha.OfpFlowMod{ |
| 315 | Cookie: flowDeleteStrict.Cookie, |
| 316 | CookieMask: flowDeleteStrict.CookieMask, |
| 317 | TableId: uint32(flowDeleteStrict.TableId), |
| 318 | Command: voltha.OfpFlowModCommand_OFPFC_DELETE_STRICT, |
| 319 | IdleTimeout: uint32(flowDeleteStrict.IdleTimeout), |
| 320 | HardTimeout: uint32(flowDeleteStrict.HardTimeout), |
| 321 | Priority: uint32(flowDeleteStrict.Priority), |
| 322 | BufferId: flowDeleteStrict.BufferId, |
| 323 | OutPort: uint32(flowDeleteStrict.OutPort), |
| 324 | OutGroup: uint32(flowDeleteStrict.OutGroup), |
| 325 | Flags: uint32(flowDeleteStrict.Flags), |
| 326 | Match: &voltha.OfpMatch{ |
| 327 | Type: voltha.OfpMatchType(flowDeleteStrict.Match.GetType()), |
| 328 | OxmFields: oxmList, |
| 329 | }, |
| 330 | }, |
| 331 | } |
| 332 | |
| 333 | if logger.V(log.DebugLevel) { |
| 334 | flowUpdateJs, _ := json.Marshal(flowUpdate) |
| 335 | logger.Debugf("FlowUpdate being sent to Voltha", |
| 336 | log.Fields{ |
| 337 | "device-id": ofc.DeviceID, |
| 338 | "flow-update": flowUpdateJs}) |
| 339 | } |
| 340 | if _, err := ofc.VolthaClient.UpdateLogicalDeviceFlowTable(context.Background(), &flowUpdate); err != nil { |
| 341 | logger.Errorw("Error calling FlowUpdate ", |
| 342 | log.Fields{ |
| 343 | "device-id": ofc.DeviceID, |
| 344 | "error": err}) |
| 345 | } |
| 346 | } |