Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2017 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" |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 22 | "log" |
| 23 | |
| 24 | ofp "github.com/donNewtonAlpha/goloxi/of13" |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 25 | "github.com/opencord/voltha-protos/go/openflow_13" |
| 26 | pb "github.com/opencord/voltha-protos/go/voltha" |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 27 | ) |
| 28 | |
| 29 | var oxmMap = map[string]int32{ |
| 30 | "in_port": 0, |
| 31 | "in_phy_port": 1, |
| 32 | "metadata": 2, |
| 33 | "eth_dst": 3, |
| 34 | "eth_src": 4, |
| 35 | "eth_type": 5, |
| 36 | "vlan_vid": 6, |
| 37 | "vlan_pcp": 7, |
| 38 | "ip_dscp": 8, |
| 39 | "ip_ecn": 9, |
| 40 | "ip_proto": 10, |
| 41 | "ipv4_src": 11, |
| 42 | "ipv4_dst": 12, |
| 43 | "tcp_src": 13, |
| 44 | "tcp_dst": 14, |
| 45 | "udp_src": 15, |
| 46 | "udp_dst": 16, |
| 47 | "sctp_src": 17, |
| 48 | "sctp_dst": 18, |
| 49 | "icmpv4_type": 19, |
| 50 | "icmpv4_code": 20, |
| 51 | "arp_op": 21, |
| 52 | "arp_spa": 22, |
| 53 | "arp_tpa": 23, |
| 54 | "arp_sha": 24, |
| 55 | "arp_tha": 25, |
| 56 | "ipv6_src": 26, |
| 57 | "ipv6_dst": 27, |
| 58 | "ipv6_flabel": 28, |
| 59 | "icmpv6_type": 29, |
| 60 | "icmpv6_code": 30, |
| 61 | "ipv6_nd_target": 31, |
| 62 | "ipv6_nd_sll": 32, |
| 63 | "ipv6_nd_tll": 33, |
| 64 | "mpls_label": 34, |
| 65 | "mpls_tc": 35, |
| 66 | "mpls_bos": 36, |
| 67 | "pbb_isid": 37, |
| 68 | "tunnel_id": 38, |
| 69 | "ipv6_exthdr": 39, |
| 70 | } |
| 71 | |
| 72 | func handleFlowAdd(flowAdd *ofp.FlowAdd, deviceId string) { |
| 73 | js, _ := json.Marshal(flowAdd) |
| 74 | log.Printf("handleFlowAdd called with %s", js) |
| 75 | |
| 76 | var flowUpdate openflow_13.FlowTableUpdate |
| 77 | flowUpdate.Id = deviceId |
| 78 | var flowMod pb.OfpFlowMod |
| 79 | flowMod.Cookie = flowAdd.Cookie |
| 80 | flowMod.CookieMask = flowAdd.CookieMask |
| 81 | flowMod.TableId = uint32(flowAdd.TableId) |
| 82 | flowMod.Command = pb.OfpFlowModCommand_OFPFC_ADD |
| 83 | flowMod.IdleTimeout = uint32(flowAdd.IdleTimeout) |
| 84 | flowMod.HardTimeout = uint32(flowAdd.HardTimeout) |
| 85 | flowMod.Priority = uint32(flowAdd.Priority) |
| 86 | flowMod.BufferId = flowAdd.BufferId |
| 87 | flowMod.OutPort = uint32(flowAdd.OutPort) |
| 88 | flowMod.OutGroup = uint32(flowAdd.OutGroup) |
| 89 | flowMod.Flags = uint32(flowAdd.Flags) |
| 90 | inMatch := flowAdd.Match |
| 91 | var flowMatch pb.OfpMatch |
| 92 | flowMatch.Type = pb.OfpMatchType(inMatch.GetType()) |
| 93 | var oxmList []*pb.OfpOxmField |
| 94 | inOxmList := inMatch.GetOxmList() |
| 95 | for i := 0; i < len(inOxmList); i++ { |
| 96 | oxmField := inOxmList[i] |
| 97 | j, _ := json.Marshal(oxmField) |
| 98 | |
| 99 | name := oxmMap[oxmField.GetOXMName()] |
| 100 | log.Printf("\n\n\n %s %d %s\n\n\n", j, name, oxmField.GetOXMName()) |
| 101 | |
| 102 | val := oxmField.GetOXMValue() |
| 103 | var ofpOxmField pb.OfpOxmField |
| 104 | ofpOxmField.OxmClass = ofp.OFPXMCOpenflowBasic |
| 105 | var field pb.OfpOxmOfbField |
| 106 | |
| 107 | field.Type = pb.OxmOfbFieldTypes(name) |
| 108 | log.Println("****\nFieldType: " + openflow_13.OxmOfbFieldTypes_name[name] + "\n\n\n\n") |
| 109 | |
| 110 | var x openflow_13.OfpOxmField_OfbField |
| 111 | x.OfbField = &field |
| 112 | ofpOxmField.Field = &x |
| 113 | |
| 114 | switch pb.OxmOfbFieldTypes(name) { |
| 115 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_IN_PORT: |
| 116 | port := val.(ofp.Port) |
| 117 | var value pb.OfpOxmOfbField_Port |
| 118 | value.Port = uint32(port) |
| 119 | field.Value = &value |
| 120 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_IN_PHY_PORT: |
| 121 | phyPort := val.(uint32) |
| 122 | var value pb.OfpOxmOfbField_PhysicalPort |
| 123 | value.PhysicalPort = phyPort |
| 124 | field.Value = &value |
| 125 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_METADATA: |
| 126 | metadata := val.(uint64) |
| 127 | var value pb.OfpOxmOfbField_TableMetadata |
| 128 | value.TableMetadata = metadata |
| 129 | field.Value = &value |
| 130 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_ETH_TYPE: |
| 131 | ethType := val.(ofp.EthernetType) |
| 132 | var value pb.OfpOxmOfbField_EthType |
| 133 | value.EthType = uint32(ethType) |
| 134 | field.Value = &value |
| 135 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_IP_PROTO: |
| 136 | proto := val.(ofp.IpPrototype) |
| 137 | var value pb.OfpOxmOfbField_IpProto |
| 138 | value.IpProto = uint32(proto) |
| 139 | field.Value = &value |
| 140 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_UDP_SRC: |
| 141 | udpSrc := val.(uint16) |
| 142 | var value pb.OfpOxmOfbField_UdpSrc |
| 143 | value.UdpSrc = uint32(udpSrc) |
| 144 | log.Printf("udpSrc %v", udpSrc) |
| 145 | field.Value = &value |
| 146 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_UDP_DST: |
| 147 | udpDst := val.(uint16) |
| 148 | var value pb.OfpOxmOfbField_UdpDst |
| 149 | value.UdpDst = uint32(udpDst) |
| 150 | field.Value = &value |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 151 | case pb.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_VID: |
| 152 | vid := val.(uint16) & 0xfff |
| 153 | var value pb.OfpOxmOfbField_VlanVid |
| 154 | value.VlanVid = uint32(vid) |
| 155 | field.Value = &value |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 156 | } |
| 157 | oxmList = append(oxmList, &ofpOxmField) |
| 158 | } |
| 159 | flowMatch.OxmFields = oxmList |
| 160 | flowMod.Match = &flowMatch |
| 161 | var instructions []*pb.OfpInstruction |
| 162 | ofpInstructions := flowAdd.GetInstructions() |
| 163 | for i := 0; i < len(ofpInstructions); i++ { |
| 164 | var instruction pb.OfpInstruction |
| 165 | ofpInstruction := ofpInstructions[i] |
| 166 | instructionType := ofpInstruction.GetType() |
| 167 | instruction.Type = uint32(instructionType) |
| 168 | switch instructionType { |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 169 | case ofp.OFPITGotoTable: |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 170 | goToTable := ofpInstruction.(ofp.IInstructionGotoTable) |
| 171 | var ofpGoToTable openflow_13.OfpInstruction_GotoTable |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 172 | var oGoToTable openflow_13.OfpInstructionGotoTable |
| 173 | ofpGoToTable.GotoTable = &oGoToTable |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 174 | ofpGoToTable.GotoTable.TableId = uint32(goToTable.GetTableId()) |
| 175 | instruction.Data = &ofpGoToTable |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 176 | case ofp.OFPITWriteMetadata: |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 177 | writeMetaData := ofpInstruction.(ofp.IInstructionWriteMetadata) |
| 178 | var ofpWriteMetadata openflow_13.OfpInstruction_WriteMetadata |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 179 | var writeMetadata openflow_13.OfpInstructionWriteMetadata |
| 180 | ofpWriteMetadata.WriteMetadata = &writeMetadata |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 181 | ofpWriteMetadata.WriteMetadata.Metadata = writeMetaData.GetMetadata() |
| 182 | ofpWriteMetadata.WriteMetadata.MetadataMask = writeMetaData.GetMetadataMask() |
| 183 | instruction.Data = &ofpWriteMetadata |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 184 | case ofp.OFPITWriteActions: |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 185 | writeAction := ofpInstruction.(ofp.IInstructionWriteActions) |
| 186 | var ofpInstructionActions openflow_13.OfpInstruction_Actions |
| 187 | var ofpActions []*openflow_13.OfpAction |
| 188 | actions := writeAction.GetActions() |
| 189 | for i := 0; i < len(actions); i++ { |
| 190 | action := actions[i] |
| 191 | ofpAction := extractAction(action) |
| 192 | ofpActions = append(ofpActions, ofpAction) |
| 193 | } |
| 194 | instruction.Data = &ofpInstructionActions |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 195 | case ofp.OFPITApplyActions: |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 196 | applyAction := ofpInstruction.(ofp.IInstructionApplyActions) |
| 197 | var ofpInstructionActions openflow_13.OfpInstruction_Actions |
| 198 | var ofpActions []*openflow_13.OfpAction |
| 199 | actions := applyAction.GetActions() |
| 200 | for i := 0; i < len(actions); i++ { |
| 201 | action := actions[i] |
| 202 | ofpAction := extractAction(action) |
| 203 | ofpActions = append(ofpActions, ofpAction) |
| 204 | } |
| 205 | var actionsHolder openflow_13.OfpInstructionActions |
| 206 | actionsHolder.Actions = ofpActions |
| 207 | ofpInstructionActions.Actions = &actionsHolder |
| 208 | instruction.Data = &ofpInstructionActions |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 209 | case ofp.OFPITMeter: |
| 210 | var instructionMeter = ofpInstruction.(ofp.IInstructionMeter) |
| 211 | var meterInstruction openflow_13.OfpInstruction_Meter |
| 212 | var meter openflow_13.OfpInstructionMeter |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 213 | |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame^] | 214 | meter.MeterId = instructionMeter.GetMeterId() |
| 215 | meterInstruction.Meter = &meter |
| 216 | instruction.Data = &meterInstruction |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 217 | } |
| 218 | instructions = append(instructions, &instruction) |
| 219 | } |
| 220 | |
| 221 | flowMod.Instructions = instructions |
| 222 | flowUpdate.FlowMod = &flowMod |
| 223 | grpcClient := *getGrpcClient() |
| 224 | flowUpdateJs, _ := json.Marshal(flowUpdate) |
| 225 | log.Printf("FLOW UPDATE %s", flowUpdateJs) |
| 226 | empty, err := grpcClient.UpdateLogicalDeviceFlowTable(context.Background(), &flowUpdate) |
| 227 | if err != nil { |
| 228 | log.Printf("ERROR DOING FLOW MOD ADD %v", err) |
| 229 | } |
| 230 | emptyJs, _ := json.Marshal(empty) |
| 231 | log.Printf("FLOW MOD RESPONSE %s", emptyJs) |
| 232 | |
| 233 | } |
| 234 | |
| 235 | func handleFlowMod(flowMod *ofp.FlowMod, deviceId string) { |
| 236 | js, _ := json.Marshal(flowMod) |
| 237 | log.Printf("handleFlowMod called with %s", js) |
| 238 | } |
| 239 | |
| 240 | func handleFlowModStrict(flowModStrict *ofp.FlowModifyStrict, deviceId string) { |
| 241 | js, _ := json.Marshal(flowModStrict) |
| 242 | log.Printf("handleFlowModStrict called with %s", js) |
| 243 | } |
| 244 | func handleFlowDelete(flowDelete *ofp.FlowDelete, deviceId string) { |
| 245 | js, _ := json.Marshal(flowDelete) |
| 246 | log.Printf("handleFlowDelete called with %s", js) |
| 247 | |
| 248 | } |
| 249 | func handleFlowDeleteStrict(flowDeleteStrict *ofp.FlowDeleteStrict, deviceId string) { |
| 250 | js, _ := json.Marshal(flowDeleteStrict) |
| 251 | log.Printf("handleFlowDeleteStrict called with %s", js) |
| 252 | |
| 253 | } |