khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 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 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 17 | package flowdecomposition |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 18 | |
| 19 | import ( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 20 | "github.com/gogo/protobuf/proto" |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 21 | "github.com/opencord/voltha-go/rw_core/coreif" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 22 | "github.com/opencord/voltha-go/rw_core/graph" |
Scott Baker | 807addd | 2019-10-24 15:16:21 -0700 | [diff] [blame] | 23 | fu "github.com/opencord/voltha-lib-go/v2/pkg/flows" |
| 24 | "github.com/opencord/voltha-lib-go/v2/pkg/log" |
Scott Baker | 555307d | 2019-11-04 08:58:01 -0800 | [diff] [blame] | 25 | ofp "github.com/opencord/voltha-protos/v2/go/openflow_13" |
| 26 | "github.com/opencord/voltha-protos/v2/go/voltha" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 27 | ) |
| 28 | |
| 29 | func init() { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 30 | _, err := log.AddPackage(log.JSON, log.DebugLevel, nil) |
| 31 | if err != nil { |
| 32 | log.Errorw("unable-to-register-package-to-the-log-map", log.Fields{"error": err}) |
| 33 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 34 | } |
| 35 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 36 | // FlowDecomposer represent flow decomposer attribute |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 37 | type FlowDecomposer struct { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 38 | deviceMgr coreif.DeviceManager |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 39 | } |
| 40 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 41 | // NewFlowDecomposer creates flow decomposer instance |
| 42 | func NewFlowDecomposer(deviceMgr coreif.DeviceManager) *FlowDecomposer { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 43 | var decomposer FlowDecomposer |
| 44 | decomposer.deviceMgr = deviceMgr |
| 45 | return &decomposer |
| 46 | } |
| 47 | |
| 48 | //DecomposeRules decomposes per-device flows and flow-groups from the flows and groups defined on a logical device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 49 | func (fd *FlowDecomposer) DecomposeRules(agent coreif.LogicalDeviceAgent, flows ofp.Flows, groups ofp.FlowGroups) *fu.DeviceRules { |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 50 | deviceRules := *fu.NewDeviceRules() |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 51 | devicesToUpdate := make(map[string]string) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 52 | |
| 53 | groupMap := make(map[uint32]*ofp.OfpGroupEntry) |
| 54 | for _, groupEntry := range groups.Items { |
| 55 | groupMap[groupEntry.Desc.GroupId] = groupEntry |
| 56 | } |
| 57 | |
| 58 | var decomposedRules *fu.DeviceRules |
| 59 | for _, flow := range flows.Items { |
| 60 | decomposedRules = fd.decomposeFlow(agent, flow, groupMap) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 61 | for deviceID, flowAndGroups := range decomposedRules.Rules { |
| 62 | deviceRules.CreateEntryIfNotExist(deviceID) |
| 63 | deviceRules.Rules[deviceID].AddFrom(flowAndGroups) |
| 64 | devicesToUpdate[deviceID] = deviceID |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 65 | } |
| 66 | } |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 67 | return deviceRules.FilterRules(devicesToUpdate) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 68 | } |
| 69 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 70 | // Handles special case of any controller-bound flow for a parent device |
| 71 | func (fd *FlowDecomposer) updateOutputPortForControllerBoundFlowForParentDevide(flow *ofp.OfpFlowStats, |
| 72 | dr *fu.DeviceRules) *fu.DeviceRules { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 73 | EAPOL := fu.EthType(0x888e) |
| 74 | IGMP := fu.IpProto(2) |
| 75 | UDP := fu.IpProto(17) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 76 | |
| 77 | newDeviceRules := dr.Copy() |
| 78 | // Check whether we are dealing with a parent device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 79 | for deviceID, fg := range dr.GetRules() { |
| 80 | if root, _ := fd.deviceMgr.IsRootDevice(deviceID); root { |
| 81 | newDeviceRules.ClearFlows(deviceID) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 82 | for i := 0; i < fg.Flows.Len(); i++ { |
| 83 | f := fg.GetFlow(i) |
| 84 | UpdateOutPortNo := false |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 85 | for _, field := range fu.GetOfbFields(f) { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 86 | UpdateOutPortNo = (field.String() == EAPOL.String()) |
| 87 | UpdateOutPortNo = UpdateOutPortNo || (field.String() == IGMP.String()) |
| 88 | UpdateOutPortNo = UpdateOutPortNo || (field.String() == UDP.String()) |
| 89 | if UpdateOutPortNo { |
| 90 | break |
| 91 | } |
| 92 | } |
| 93 | if UpdateOutPortNo { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 94 | f = fu.UpdateOutputPortByActionType(f, uint32(ofp.OfpInstructionType_OFPIT_APPLY_ACTIONS), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 95 | uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) |
| 96 | } |
| 97 | // Update flow Id as a change in the instruction field will result in a new flow ID |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 98 | f.Id = fu.HashFlowStats(f) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 99 | newDeviceRules.AddFlow(deviceID, (proto.Clone(f)).(*ofp.OfpFlowStats)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 100 | } |
| 101 | } |
| 102 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 103 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 104 | return newDeviceRules |
| 105 | } |
| 106 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 107 | //processControllerBoundFlow decomposes trap flows |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 108 | func (fd *FlowDecomposer) processControllerBoundFlow(agent coreif.LogicalDeviceAgent, route []graph.RouteHop, |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 109 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
| 110 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 111 | log.Debugw("trap-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "flow": flow}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 112 | deviceRules := fu.NewDeviceRules() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 113 | meterID := fu.GetMeterIdFromFlow(flow) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 114 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(flow) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 115 | |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 116 | ingressHop := route[0] |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 117 | egressHop := route[1] |
| 118 | |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 119 | //case of packet_in from NNI port rule |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 120 | if agent.GetDeviceGraph().IsRootPort(inPortNo) { |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 121 | // Trap flow for NNI port |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 122 | log.Debug("trap-nni") |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 123 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 124 | fa := &fu.FlowArgs{ |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 125 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 126 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 127 | fu.InPort(egressHop.Egress), |
| 128 | }, |
| 129 | Actions: fu.GetActions(flow), |
| 130 | } |
| 131 | // Augment the matchfields with the ofpfields from the flow |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 132 | fg := fu.NewFlowsAndGroups() |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 133 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
| 134 | fg.AddFlow(fu.MkFlowStat(fa)) |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 135 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 136 | } else { |
| 137 | // Trap flow for UNI port |
| 138 | log.Debug("trap-uni") |
| 139 | |
| 140 | //inPortNo is 0 for wildcard input case, do not include upstream port for 4000 flow in input |
| 141 | var inPorts []uint32 |
| 142 | if inPortNo == 0 { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 143 | inPorts = agent.GetWildcardInputPorts(egressHop.Egress) // exclude egress_hop.egress_port.port_no |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 144 | } else { |
| 145 | inPorts = []uint32{inPortNo} |
| 146 | } |
| 147 | for _, inputPort := range inPorts { |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 148 | // Upstream flow on parent (olt) device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 149 | faParent := &fu.FlowArgs{ |
| 150 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie, "meter_id": uint64(meterID), "write_metadata": metadataFromwriteMetadata}, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 151 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 152 | fu.InPort(egressHop.Ingress), |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 153 | fu.TunnelId(uint64(inputPort)), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 154 | }, |
| 155 | Actions: []*ofp.OfpAction{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 156 | fu.PushVlan(0x8100), |
| 157 | fu.SetField(fu.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 4000)), |
| 158 | fu.Output(egressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 159 | }, |
| 160 | } |
| 161 | // Augment the matchfields with the ofpfields from the flow |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 162 | faParent.MatchFields = append(faParent.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
| 163 | fgParent := fu.NewFlowsAndGroups() |
| 164 | fgParent.AddFlow(fu.MkFlowStat(faParent)) |
| 165 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fgParent) |
| 166 | log.Debugw("parent-trap-flow-set", log.Fields{"flow": faParent}) |
| 167 | |
| 168 | // Upstream flow on child (onu) device |
| 169 | var actions []*ofp.OfpAction |
| 170 | setvid := fu.GetVlanVid(flow) |
| 171 | if setvid != nil { |
| 172 | // have this child push the vlan the parent is matching/trapping on above |
| 173 | actions = []*ofp.OfpAction{ |
| 174 | fu.PushVlan(0x8100), |
| 175 | fu.SetField(fu.VlanVid(*setvid)), |
| 176 | fu.Output(ingressHop.Egress), |
| 177 | } |
| 178 | } else { |
| 179 | // otherwise just set the egress port |
| 180 | actions = []*ofp.OfpAction{ |
| 181 | fu.Output(ingressHop.Egress), |
| 182 | } |
| 183 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 184 | faChild := &fu.FlowArgs{ |
| 185 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie, "meter_id": uint64(meterID), "write_metadata": metadataFromwriteMetadata}, |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 186 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 187 | fu.InPort(ingressHop.Ingress), |
| 188 | fu.TunnelId(uint64(inputPort)), |
| 189 | }, |
| 190 | Actions: actions, |
| 191 | } |
| 192 | // Augment the matchfields with the ofpfields from the flow. |
| 193 | // If the parent has a match vid and the child is setting that match vid exclude the the match vlan |
| 194 | // for the child given it will be setting that vlan and the parent will be matching on it |
| 195 | if setvid != nil { |
| 196 | faChild.MatchFields = append(faChild.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT, fu.VLAN_VID)...) |
| 197 | } else { |
| 198 | faChild.MatchFields = append(faChild.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
| 199 | } |
| 200 | fgChild := fu.NewFlowsAndGroups() |
| 201 | fgChild.AddFlow(fu.MkFlowStat(faChild)) |
| 202 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fgChild) |
| 203 | log.Debugw("child-trap-flow-set", log.Fields{"flow": faChild}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 204 | } |
| 205 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 206 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 207 | return deviceRules |
| 208 | } |
| 209 | |
| 210 | // processUpstreamNonControllerBoundFlow processes non-controller bound flow. We assume that anything that is |
| 211 | // upstream needs to get Q-in-Q treatment and that this is expressed via two flow rules, the first using the |
| 212 | // goto-statement. We also assume that the inner tag is applied at the ONU, while the outer tag is |
| 213 | // applied at the OLT |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 214 | func (fd *FlowDecomposer) processUpstreamNonControllerBoundFlow(agent coreif.LogicalDeviceAgent, |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 215 | route []graph.RouteHop, inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
| 216 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 217 | log.Debugw("upstream-non-controller-bound-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 218 | deviceRules := fu.NewDeviceRules() |
| 219 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 220 | meterID := fu.GetMeterIdFromFlow(flow) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 221 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(flow) |
| 222 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 223 | ingressHop := route[0] |
| 224 | egressHop := route[1] |
| 225 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 226 | if flow.TableId == 0 && fu.HasNextTable(flow) { |
| 227 | log.Debugw("decomposing-onu-flow-in-upstream-has-next-table", log.Fields{"table_id": flow.TableId}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 228 | if outPortNo != 0 { |
| 229 | log.Warnw("outPort-should-not-be-specified", log.Fields{"outPortNo": outPortNo}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 230 | return deviceRules |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 231 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 232 | fa := &fu.FlowArgs{ |
| 233 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie, "meter_id": uint64(meterID), "write_metadata": metadataFromwriteMetadata}, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 234 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 235 | fu.InPort(ingressHop.Ingress), |
| 236 | fu.TunnelId(uint64(inPortNo)), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 237 | }, |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 238 | Actions: fu.GetActions(flow), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 239 | } |
| 240 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 241 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 242 | |
| 243 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 244 | fa.Actions = append(fa.Actions, fu.Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 245 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 246 | fg := fu.NewFlowsAndGroups() |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 247 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 248 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 249 | } else if flow.TableId == 1 && outPortNo != 0 { |
| 250 | log.Debugw("decomposing-olt-flow-in-upstream-has-next-table", log.Fields{"table_id": flow.TableId}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 251 | fa := &fu.FlowArgs{ |
| 252 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie, "meter_id": uint64(meterID), "write_metadata": metadataFromwriteMetadata}, |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 253 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 254 | fu.InPort(egressHop.Ingress), |
| 255 | fu.TunnelId(uint64(inPortNo)), |
| 256 | }, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 257 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 258 | // Augment the matchfields with the ofpfields from the flow |
| 259 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 260 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 261 | //Augment the actions |
| 262 | filteredAction := fu.GetActions(flow, fu.OUTPUT) |
| 263 | filteredAction = append(filteredAction, fu.Output(egressHop.Egress)) |
| 264 | fa.Actions = filteredAction |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 265 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 266 | fg := fu.NewFlowsAndGroups() |
| 267 | fg.AddFlow(fu.MkFlowStat(fa)) |
| 268 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 269 | } |
| 270 | return deviceRules |
| 271 | } |
| 272 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 273 | // processDownstreamFlowWithNextTable decomposes downstream flows containing next table ID instructions |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 274 | func (fd *FlowDecomposer) processDownstreamFlowWithNextTable(agent coreif.LogicalDeviceAgent, route []graph.RouteHop, |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 275 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 276 | log.Debugw("decomposing-olt-flow-in-downstream-flow-with-next-table", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 277 | deviceRules := fu.NewDeviceRules() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 278 | meterID := fu.GetMeterIdFromFlow(flow) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 279 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(flow) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 280 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 281 | if outPortNo != 0 { |
| 282 | log.Warnw("outPort-should-not-be-specified", log.Fields{"outPortNo": outPortNo}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 283 | return deviceRules |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 284 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 285 | |
| 286 | if flow.TableId != 0 { |
| 287 | log.Warnw("This is not olt pipeline table, so skipping", log.Fields{"tableId": flow.TableId}) |
| 288 | return deviceRules |
| 289 | } |
| 290 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 291 | ingressHop := route[0] |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 292 | egressHop := route[1] |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 293 | if metadataFromwriteMetadata != 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 294 | log.Debugw("creating-metadata-flow", log.Fields{"flow": flow}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 295 | portNumber := fu.GetEgressPortNumberFromWriteMetadata(flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 296 | if portNumber != 0 { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 297 | recalculatedRoute := agent.GetRoute(inPortNo, portNumber) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 298 | switch len(recalculatedRoute) { |
| 299 | case 0: |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 300 | log.Errorw("no-route-double-tag", log.Fields{"inPortNo": inPortNo, "outPortNo": portNumber, "comment": "deleting-flow", "metadata": metadataFromwriteMetadata}) |
| 301 | //TODO: Delete flow |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 302 | return deviceRules |
| 303 | case 2: |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 304 | log.Debugw("route-found", log.Fields{"ingressHop": ingressHop, "egressHop": egressHop}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 305 | default: |
| 306 | log.Errorw("invalid-route-length", log.Fields{"routeLen": len(route)}) |
| 307 | return deviceRules |
| 308 | } |
| 309 | ingressHop = recalculatedRoute[0] |
| 310 | } |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 311 | innerTag := fu.GetInnerTagFromMetaData(flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 312 | if innerTag == 0 { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 313 | log.Errorw("no-inner-route-double-tag", log.Fields{"inPortNo": inPortNo, "outPortNo": portNumber, "comment": "deleting-flow", "metadata": metadataFromwriteMetadata}) |
| 314 | //TODO: Delete flow |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 315 | return deviceRules |
| 316 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 317 | fa := &fu.FlowArgs{ |
| 318 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie, "meter_id": uint64(meterID), "write_metadata": metadataFromwriteMetadata}, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 319 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 320 | fu.InPort(ingressHop.Ingress), |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 321 | fu.Metadata_ofp(uint64(innerTag)), |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 322 | fu.TunnelId(uint64(portNumber)), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 323 | }, |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 324 | Actions: fu.GetActions(flow), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 325 | } |
| 326 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 327 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT, fu.METADATA)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 328 | |
| 329 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 330 | fa.Actions = append(fa.Actions, fu.Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 331 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 332 | fg := fu.NewFlowsAndGroups() |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 333 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 334 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
| 335 | } else { // Create standard flow |
| 336 | log.Debugw("creating-standard-flow", log.Fields{"flow": flow}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 337 | fa := &fu.FlowArgs{ |
| 338 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie, "meter_id": uint64(meterID), "write_metadata": metadataFromwriteMetadata}, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 339 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 340 | fu.InPort(ingressHop.Ingress), |
| 341 | fu.TunnelId(uint64(inPortNo)), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 342 | }, |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 343 | Actions: fu.GetActions(flow), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 344 | } |
| 345 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 346 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 347 | |
| 348 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 349 | fa.Actions = append(fa.Actions, fu.Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 350 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 351 | fg := fu.NewFlowsAndGroups() |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 352 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 353 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
| 354 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 355 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 356 | return deviceRules |
| 357 | } |
| 358 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 359 | // processUnicastFlow decomposes unicast flows |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 360 | func (fd *FlowDecomposer) processUnicastFlow(agent coreif.LogicalDeviceAgent, route []graph.RouteHop, |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 361 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
| 362 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 363 | log.Debugw("decomposing-onu-flow-in-downstream-unicast-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 364 | deviceRules := fu.NewDeviceRules() |
| 365 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 366 | egressHop := route[1] |
| 367 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 368 | meterID := fu.GetMeterIdFromFlow(flow) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 369 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(flow) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 370 | fa := &fu.FlowArgs{ |
| 371 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie, "meter_id": uint64(meterID), "write_metadata": metadataFromwriteMetadata}, |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 372 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 373 | fu.InPort(egressHop.Ingress), |
| 374 | }, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 375 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 376 | // Augment the matchfields with the ofpfields from the flow |
| 377 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 378 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 379 | // Augment the Actions |
| 380 | filteredAction := fu.GetActions(flow, fu.OUTPUT) |
| 381 | filteredAction = append(filteredAction, fu.Output(egressHop.Egress)) |
| 382 | fa.Actions = filteredAction |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 383 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 384 | fg := fu.NewFlowsAndGroups() |
| 385 | fg.AddFlow(fu.MkFlowStat(fa)) |
| 386 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 387 | return deviceRules |
| 388 | } |
| 389 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 390 | // processMulticastFlow decompose multicast flows |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 391 | func (fd *FlowDecomposer) processMulticastFlow(agent coreif.LogicalDeviceAgent, route []graph.RouteHop, |
| 392 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats, grpID uint32, |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 393 | groupMap map[uint32]*ofp.OfpGroupEntry) *fu.DeviceRules { |
| 394 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 395 | log.Debugw("multicast-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 396 | deviceRules := fu.NewDeviceRules() |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 397 | |
| 398 | //having no Group yet is the same as having a Group with no buckets |
| 399 | var grp *ofp.OfpGroupEntry |
| 400 | var ok bool |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 401 | if grp, ok = groupMap[grpID]; !ok { |
| 402 | log.Warnw("Group-id-not-present-in-map", log.Fields{"grpId": grpID, "groupMap": groupMap}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 403 | return deviceRules |
| 404 | } |
| 405 | if grp == nil || grp.Desc == nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 406 | log.Warnw("Group-or-desc-nil", log.Fields{"grpId": grpID, "grp": grp}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 407 | return deviceRules |
| 408 | } |
| 409 | for _, bucket := range grp.Desc.Buckets { |
| 410 | otherActions := make([]*ofp.OfpAction, 0) |
| 411 | for _, action := range bucket.Actions { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 412 | if action.Type == fu.OUTPUT { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 413 | outPortNo = action.GetOutput().Port |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 414 | } else if action.Type != fu.POP_VLAN { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 415 | otherActions = append(otherActions, action) |
| 416 | } |
| 417 | } |
| 418 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 419 | route2 := agent.GetRoute(inPortNo, outPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 420 | switch len(route2) { |
| 421 | case 0: |
| 422 | log.Errorw("mc-no-route", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "comment": "deleting flow"}) |
| 423 | // TODO: Delete flow |
| 424 | return deviceRules |
| 425 | case 2: |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 426 | log.Debugw("route-found", log.Fields{"ingressHop": route2[0], "egressHop": route2[1]}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 427 | default: |
| 428 | log.Errorw("invalid-route-length", log.Fields{"routeLen": len(route)}) |
| 429 | return deviceRules |
| 430 | } |
| 431 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 432 | ingressHop := route[0] |
| 433 | ingressHop2 := route2[0] |
| 434 | egressHop := route2[1] |
| 435 | |
| 436 | if ingressHop.Ingress != ingressHop2.Ingress { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 437 | log.Errorw("mc-ingress-hop-hop2-mismatch", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "comment": "ignoring flow"}) |
| 438 | return deviceRules |
| 439 | } |
| 440 | // Set the parent device flow |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 441 | fa := &fu.FlowArgs{ |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 442 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 443 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 444 | fu.InPort(ingressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 445 | }, |
| 446 | } |
| 447 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 448 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 449 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 450 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 451 | filteredAction := fu.GetActions(flow, fu.GROUP) |
| 452 | filteredAction = append(filteredAction, fu.PopVlan()) |
| 453 | filteredAction = append(filteredAction, fu.Output(route2[1].Ingress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 454 | fa.Actions = filteredAction |
| 455 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 456 | fg := fu.NewFlowsAndGroups() |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 457 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 458 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 459 | |
| 460 | // Set the child device flow |
| 461 | fa = &fu.FlowArgs{ |
| 462 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 463 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 464 | fu.InPort(egressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 465 | }, |
| 466 | } |
| 467 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 468 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT, fu.VLAN_VID, fu.VLAN_PCP)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 469 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 470 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 471 | otherActions = append(otherActions, fu.Output(egressHop.Egress)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 472 | fa.Actions = otherActions |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 473 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 474 | fg = fu.NewFlowsAndGroups() |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 475 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 476 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 477 | } |
| 478 | return deviceRules |
| 479 | } |
| 480 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 481 | // decomposeFlow decomposes a flow for a logical device into flows for each physical device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 482 | func (fd *FlowDecomposer) decomposeFlow(agent coreif.LogicalDeviceAgent, flow *ofp.OfpFlowStats, |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 483 | groupMap map[uint32]*ofp.OfpGroupEntry) *fu.DeviceRules { |
| 484 | |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 485 | inPortNo := fu.GetInPort(flow) |
| 486 | outPortNo := fu.GetOutPort(flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 487 | deviceRules := fu.NewDeviceRules() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 488 | route := agent.GetRoute(inPortNo, outPortNo) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 489 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 490 | switch len(route) { |
| 491 | case 0: |
| 492 | log.Errorw("no-route", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "comment": "deleting-flow"}) |
| 493 | // TODO: Delete flow |
| 494 | return deviceRules |
| 495 | case 2: |
| 496 | log.Debugw("route-found", log.Fields{"ingressHop": route[0], "egressHop": route[1]}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 497 | default: |
| 498 | log.Errorw("invalid-route-length", log.Fields{"routeLen": len(route)}) |
| 499 | return deviceRules |
| 500 | } |
| 501 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 502 | // Process controller bound flow |
| 503 | if outPortNo != 0 && (outPortNo&0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER) { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 504 | deviceRules = fd.processControllerBoundFlow(agent, route, inPortNo, outPortNo, flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 505 | } else { |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 506 | var ingressDevice *voltha.Device |
| 507 | var err error |
| 508 | if ingressDevice, err = fd.deviceMgr.GetDevice(route[0].DeviceID); err != nil { |
| 509 | log.Errorw("ingress-device-not-found", log.Fields{"deviceId": route[0].DeviceID, "flow": flow}) |
| 510 | return deviceRules |
| 511 | } |
| 512 | isUpstream := !ingressDevice.Root |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 513 | if isUpstream { // Unicast OLT and ONU UL |
| 514 | log.Info("processOltAndOnuUpstreamNonControllerBoundUnicastFlows", log.Fields{"flows": flow}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 515 | deviceRules = fd.processUpstreamNonControllerBoundFlow(agent, route, inPortNo, outPortNo, flow) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 516 | } else if fu.HasNextTable(flow) && flow.TableId == 0 { // Unicast OLT flow DL |
| 517 | log.Debugw("processOltDownstreamNonControllerBoundFlowWithNextTable", log.Fields{"flows": flow}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 518 | deviceRules = fd.processDownstreamFlowWithNextTable(agent, route, inPortNo, outPortNo, flow) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 519 | } else if flow.TableId == 1 && outPortNo != 0 { // Unicast ONU flow DL |
| 520 | log.Debugw("processOnuDownstreamUnicastFlow", log.Fields{"flows": flow}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 521 | deviceRules = fd.processUnicastFlow(agent, route, inPortNo, outPortNo, flow) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 522 | } else if grpID := fu.GetGroup(flow); grpID != 0 && flow.TableId == 0 { //Multicast |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 523 | log.Debugw("processMulticastFlow", log.Fields{"flows": flow}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame^] | 524 | deviceRules = fd.processMulticastFlow(agent, route, inPortNo, outPortNo, flow, grpID, groupMap) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 525 | } else { |
| 526 | log.Errorw("unknown-downstream-flow", log.Fields{"flow": *flow}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 527 | } |
| 528 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 529 | deviceRules = fd.updateOutputPortForControllerBoundFlowForParentDevide(flow, deviceRules) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 530 | return deviceRules |
| 531 | } |