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 ( |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 20 | "context" |
khenaidoo | 787224a | 2020-04-16 18:08:47 -0400 | [diff] [blame] | 21 | "fmt" |
Mahir Gunyel | addb66a | 2020-04-29 18:08:50 -0700 | [diff] [blame] | 22 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 23 | "github.com/gogo/protobuf/proto" |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 24 | "github.com/opencord/voltha-go/rw_core/coreif" |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 25 | "github.com/opencord/voltha-go/rw_core/route" |
serkant.uluderya | 2ae470f | 2020-01-21 11:13:09 -0800 | [diff] [blame] | 26 | fu "github.com/opencord/voltha-lib-go/v3/pkg/flows" |
| 27 | "github.com/opencord/voltha-lib-go/v3/pkg/log" |
| 28 | ofp "github.com/opencord/voltha-protos/v3/go/openflow_13" |
| 29 | "github.com/opencord/voltha-protos/v3/go/voltha" |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 30 | "google.golang.org/grpc/codes" |
| 31 | "google.golang.org/grpc/status" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 32 | ) |
| 33 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 34 | // FlowDecomposer represent flow decomposer attribute |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 35 | type FlowDecomposer struct { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 36 | deviceMgr coreif.DeviceManager |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 37 | } |
| 38 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 39 | // NewFlowDecomposer creates flow decomposer instance |
| 40 | func NewFlowDecomposer(deviceMgr coreif.DeviceManager) *FlowDecomposer { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 41 | var decomposer FlowDecomposer |
| 42 | decomposer.deviceMgr = deviceMgr |
| 43 | return &decomposer |
| 44 | } |
| 45 | |
| 46 | //DecomposeRules decomposes per-device flows and flow-groups from the flows and groups defined on a logical device |
Kent Hagerman | 433a31a | 2020-05-20 19:04:48 -0400 | [diff] [blame] | 47 | func (fd *FlowDecomposer) DecomposeRules(ctx context.Context, agent coreif.LogicalDeviceAgent, flows map[uint64]*ofp.OfpFlowStats, groups map[uint32]*ofp.OfpGroupEntry) (*fu.DeviceRules, error) { |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 48 | deviceRules := *fu.NewDeviceRules() |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 49 | devicesToUpdate := make(map[string]string) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 50 | |
Kent Hagerman | 433a31a | 2020-05-20 19:04:48 -0400 | [diff] [blame] | 51 | for _, flow := range flows { |
| 52 | decomposedRules, err := fd.decomposeFlow(ctx, agent, flow, groups) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 53 | if err != nil { |
| 54 | return nil, err |
| 55 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 56 | for deviceID, flowAndGroups := range decomposedRules.Rules { |
| 57 | deviceRules.CreateEntryIfNotExist(deviceID) |
| 58 | deviceRules.Rules[deviceID].AddFrom(flowAndGroups) |
| 59 | devicesToUpdate[deviceID] = deviceID |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 60 | } |
| 61 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 62 | return deviceRules.FilterRules(devicesToUpdate), nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 63 | } |
| 64 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 65 | // Handles special case of any controller-bound flow for a parent device |
| 66 | func (fd *FlowDecomposer) updateOutputPortForControllerBoundFlowForParentDevide(flow *ofp.OfpFlowStats, |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 67 | dr *fu.DeviceRules) (*fu.DeviceRules, error) { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 68 | EAPOL := fu.EthType(0x888e) |
| 69 | IGMP := fu.IpProto(2) |
| 70 | UDP := fu.IpProto(17) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 71 | |
| 72 | newDeviceRules := dr.Copy() |
| 73 | // Check whether we are dealing with a parent device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 74 | for deviceID, fg := range dr.GetRules() { |
| 75 | if root, _ := fd.deviceMgr.IsRootDevice(deviceID); root { |
| 76 | newDeviceRules.ClearFlows(deviceID) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 77 | for i := 0; i < fg.Flows.Len(); i++ { |
| 78 | f := fg.GetFlow(i) |
| 79 | UpdateOutPortNo := false |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 80 | for _, field := range fu.GetOfbFields(f) { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 81 | UpdateOutPortNo = (field.String() == EAPOL.String()) |
| 82 | UpdateOutPortNo = UpdateOutPortNo || (field.String() == IGMP.String()) |
| 83 | UpdateOutPortNo = UpdateOutPortNo || (field.String() == UDP.String()) |
| 84 | if UpdateOutPortNo { |
| 85 | break |
| 86 | } |
| 87 | } |
| 88 | if UpdateOutPortNo { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 89 | f = fu.UpdateOutputPortByActionType(f, uint32(ofp.OfpInstructionType_OFPIT_APPLY_ACTIONS), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 90 | uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) |
| 91 | } |
| 92 | // Update flow Id as a change in the instruction field will result in a new flow ID |
Mahir Gunyel | addb66a | 2020-04-29 18:08:50 -0700 | [diff] [blame] | 93 | //var err error |
| 94 | //if f.Id, err = fu.HashFlowStats(f); err != nil { |
| 95 | //return nil, err |
| 96 | //} |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 97 | newDeviceRules.AddFlow(deviceID, (proto.Clone(f)).(*ofp.OfpFlowStats)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 98 | } |
| 99 | } |
| 100 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 101 | |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 102 | return newDeviceRules, nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 103 | } |
| 104 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 105 | //processControllerBoundFlow decomposes trap flows |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 106 | func (fd *FlowDecomposer) processControllerBoundFlow(ctx context.Context, agent coreif.LogicalDeviceAgent, path []route.Hop, |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 107 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) (*fu.DeviceRules, error) { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 108 | |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 109 | logger.Debugw(ctx, "trap-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "flow": flow}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 110 | deviceRules := fu.NewDeviceRules() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 111 | meterID := fu.GetMeterIdFromFlow(flow) |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 112 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(ctx, flow) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 113 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 114 | ingressHop := path[0] |
| 115 | egressHop := path[1] |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 116 | |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 117 | //case of packet_in from NNI port rule |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 118 | if agent.GetDeviceRoutes().IsRootPort(inPortNo) { |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 119 | // Trap flow for NNI port |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 120 | logger.Debug(ctx, "trap-nni") |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 121 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 122 | fa := &fu.FlowArgs{ |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 123 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 124 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 125 | fu.InPort(egressHop.Egress), |
| 126 | }, |
| 127 | Actions: fu.GetActions(flow), |
| 128 | } |
| 129 | // Augment the matchfields with the ofpfields from the flow |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 130 | fg := fu.NewFlowsAndGroups() |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 131 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 132 | fs, err := fu.MkFlowStat(fa) |
| 133 | if err != nil { |
| 134 | return nil, err |
| 135 | } |
| 136 | fg.AddFlow(fs) |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 137 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 138 | } else { |
| 139 | // Trap flow for UNI port |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 140 | logger.Debug(ctx, "trap-uni") |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 141 | |
Matt Jeanneret | e75f284 | 2020-03-14 15:45:12 -0400 | [diff] [blame] | 142 | //inPortNo is 0 for wildcard input case, do not include upstream port for controller bound flow in input |
Kent Hagerman | fa9d6d4 | 2020-05-25 11:49:40 -0400 | [diff] [blame] | 143 | var inPorts = map[uint32]struct{}{inPortNo: {}} |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 144 | if inPortNo == 0 { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 145 | inPorts = agent.GetWildcardInputPorts(ctx, egressHop.Egress) // exclude egress_hop.egress_port.port_no |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 146 | } |
Kent Hagerman | fa9d6d4 | 2020-05-25 11:49:40 -0400 | [diff] [blame] | 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.Output(egressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 157 | }, |
| 158 | } |
| 159 | // Augment the matchfields with the ofpfields from the flow |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 160 | faParent.MatchFields = append(faParent.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
| 161 | fgParent := fu.NewFlowsAndGroups() |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 162 | fs, err := fu.MkFlowStat(faParent) |
| 163 | if err != nil { |
| 164 | return nil, err |
| 165 | } |
| 166 | fgParent.AddFlow(fs) |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 167 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fgParent) |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 168 | logger.Debugw(ctx, "parent-trap-flow-set", log.Fields{"flow": faParent}) |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 169 | |
| 170 | // Upstream flow on child (onu) device |
| 171 | var actions []*ofp.OfpAction |
| 172 | setvid := fu.GetVlanVid(flow) |
| 173 | if setvid != nil { |
| 174 | // have this child push the vlan the parent is matching/trapping on above |
| 175 | actions = []*ofp.OfpAction{ |
| 176 | fu.PushVlan(0x8100), |
| 177 | fu.SetField(fu.VlanVid(*setvid)), |
| 178 | fu.Output(ingressHop.Egress), |
| 179 | } |
| 180 | } else { |
| 181 | // otherwise just set the egress port |
| 182 | actions = []*ofp.OfpAction{ |
| 183 | fu.Output(ingressHop.Egress), |
| 184 | } |
| 185 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 186 | faChild := &fu.FlowArgs{ |
| 187 | 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] | 188 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 189 | fu.InPort(ingressHop.Ingress), |
| 190 | fu.TunnelId(uint64(inputPort)), |
| 191 | }, |
| 192 | Actions: actions, |
| 193 | } |
| 194 | // Augment the matchfields with the ofpfields from the flow. |
| 195 | // If the parent has a match vid and the child is setting that match vid exclude the the match vlan |
| 196 | // for the child given it will be setting that vlan and the parent will be matching on it |
| 197 | if setvid != nil { |
| 198 | faChild.MatchFields = append(faChild.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT, fu.VLAN_VID)...) |
| 199 | } else { |
| 200 | faChild.MatchFields = append(faChild.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
| 201 | } |
| 202 | fgChild := fu.NewFlowsAndGroups() |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 203 | fs, err = fu.MkFlowStat(faChild) |
| 204 | if err != nil { |
| 205 | return nil, err |
| 206 | } |
| 207 | fgChild.AddFlow(fs) |
Matt Jeanneret | b423bad | 2019-10-10 20:42:19 -0400 | [diff] [blame] | 208 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fgChild) |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 209 | logger.Debugw(ctx, "child-trap-flow-set", log.Fields{"flow": faChild}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 210 | } |
| 211 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 212 | |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 213 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | // processUpstreamNonControllerBoundFlow processes non-controller bound flow. We assume that anything that is |
| 217 | // upstream needs to get Q-in-Q treatment and that this is expressed via two flow rules, the first using the |
| 218 | // goto-statement. We also assume that the inner tag is applied at the ONU, while the outer tag is |
| 219 | // applied at the OLT |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 220 | func (fd *FlowDecomposer) processUpstreamNonControllerBoundFlow(ctx context.Context, |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 221 | path []route.Hop, inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) (*fu.DeviceRules, error) { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 222 | |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 223 | logger.Debugw(ctx, "upstream-non-controller-bound-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 224 | deviceRules := fu.NewDeviceRules() |
| 225 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 226 | meterID := fu.GetMeterIdFromFlow(flow) |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 227 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(ctx, flow) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 228 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 229 | ingressHop := path[0] |
| 230 | egressHop := path[1] |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 231 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 232 | if flow.TableId == 0 && fu.HasNextTable(flow) { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 233 | logger.Debugw(ctx, "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] | 234 | if outPortNo != 0 { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 235 | logger.Warnw(ctx, "outPort-should-not-be-specified", log.Fields{"outPortNo": outPortNo}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 236 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 237 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 238 | fa := &fu.FlowArgs{ |
| 239 | 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] | 240 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 241 | fu.InPort(ingressHop.Ingress), |
| 242 | fu.TunnelId(uint64(inPortNo)), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 243 | }, |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 244 | Actions: fu.GetActions(flow), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 245 | } |
| 246 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 247 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 248 | |
| 249 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 250 | fa.Actions = append(fa.Actions, fu.Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 251 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 252 | fg := fu.NewFlowsAndGroups() |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 253 | fs, err := fu.MkFlowStat(fa) |
| 254 | if err != nil { |
| 255 | return nil, err |
| 256 | } |
| 257 | fg.AddFlow(fs) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 258 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 259 | } else if flow.TableId == 1 && outPortNo != 0 { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 260 | logger.Debugw(ctx, "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] | 261 | fa := &fu.FlowArgs{ |
| 262 | 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] | 263 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 264 | fu.InPort(egressHop.Ingress), |
| 265 | fu.TunnelId(uint64(inPortNo)), |
| 266 | }, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 267 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 268 | // Augment the matchfields with the ofpfields from the flow |
| 269 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 270 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 271 | //Augment the actions |
| 272 | filteredAction := fu.GetActions(flow, fu.OUTPUT) |
| 273 | filteredAction = append(filteredAction, fu.Output(egressHop.Egress)) |
| 274 | fa.Actions = filteredAction |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 275 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 276 | fg := fu.NewFlowsAndGroups() |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 277 | fs, err := fu.MkFlowStat(fa) |
| 278 | if err != nil { |
| 279 | return nil, err |
| 280 | } |
| 281 | fg.AddFlow(fs) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 282 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 283 | } |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 284 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 285 | } |
| 286 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 287 | // processDownstreamFlowWithNextTable decomposes downstream flows containing next table ID instructions |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 288 | func (fd *FlowDecomposer) processDownstreamFlowWithNextTable(ctx context.Context, agent coreif.LogicalDeviceAgent, path []route.Hop, |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 289 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) (*fu.DeviceRules, error) { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 290 | logger.Debugw(ctx, "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] | 291 | deviceRules := fu.NewDeviceRules() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 292 | meterID := fu.GetMeterIdFromFlow(flow) |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 293 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(ctx, flow) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 294 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 295 | if outPortNo != 0 { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 296 | logger.Warnw(ctx, "outPort-should-not-be-specified", log.Fields{"outPortNo": outPortNo}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 297 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 298 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 299 | |
| 300 | if flow.TableId != 0 { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 301 | logger.Warnw(ctx, "This is not olt pipeline table, so skipping", log.Fields{"tableId": flow.TableId}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 302 | return deviceRules, nil |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 303 | } |
| 304 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 305 | ingressHop := path[0] |
| 306 | egressHop := path[1] |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 307 | if metadataFromwriteMetadata != 0 { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 308 | logger.Debugw(ctx, "creating-metadata-flow", log.Fields{"flow": flow}) |
| 309 | portNumber := fu.GetEgressPortNumberFromWriteMetadata(ctx, flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 310 | if portNumber != 0 { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 311 | recalculatedRoute, err := agent.GetRoute(ctx, inPortNo, portNumber) |
| 312 | if err != nil { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 313 | logger.Errorw(ctx, "no-route-double-tag", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "metadata": metadataFromwriteMetadata, "error": err}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 314 | return deviceRules, nil |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 315 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 316 | switch len(recalculatedRoute) { |
| 317 | case 0: |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 318 | logger.Errorw(ctx, "no-route-double-tag", log.Fields{"inPortNo": inPortNo, "outPortNo": portNumber, "comment": "deleting-flow", "metadata": metadataFromwriteMetadata}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 319 | //TODO: Delete flow |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 320 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 321 | case 2: |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 322 | logger.Debugw(ctx, "route-found", log.Fields{"ingressHop": ingressHop, "egressHop": egressHop}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 323 | default: |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 324 | logger.Errorw(ctx, "invalid-route-length", log.Fields{"routeLen": len(path)}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 325 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 326 | } |
| 327 | ingressHop = recalculatedRoute[0] |
| 328 | } |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 329 | innerTag := fu.GetInnerTagFromMetaData(ctx, flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 330 | if innerTag == 0 { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 331 | logger.Errorw(ctx, "no-inner-route-double-tag", log.Fields{"inPortNo": inPortNo, "outPortNo": portNumber, "comment": "deleting-flow", "metadata": metadataFromwriteMetadata}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 332 | //TODO: Delete flow |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 333 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 334 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 335 | fa := &fu.FlowArgs{ |
| 336 | 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] | 337 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 338 | fu.InPort(ingressHop.Ingress), |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 339 | fu.Metadata_ofp(uint64(innerTag)), |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 340 | fu.TunnelId(uint64(portNumber)), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 341 | }, |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 342 | Actions: fu.GetActions(flow), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 343 | } |
| 344 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 345 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT, fu.METADATA)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 346 | |
| 347 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 348 | fa.Actions = append(fa.Actions, fu.Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 349 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 350 | fg := fu.NewFlowsAndGroups() |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 351 | fs, err := fu.MkFlowStat(fa) |
| 352 | if err != nil { |
| 353 | return nil, err |
| 354 | } |
| 355 | fg.AddFlow(fs) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 356 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
| 357 | } else { // Create standard flow |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 358 | logger.Debugw(ctx, "creating-standard-flow", log.Fields{"flow": flow}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 359 | fa := &fu.FlowArgs{ |
| 360 | 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] | 361 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 362 | fu.InPort(ingressHop.Ingress), |
| 363 | fu.TunnelId(uint64(inPortNo)), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 364 | }, |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 365 | Actions: fu.GetActions(flow), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 366 | } |
| 367 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 368 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 369 | |
| 370 | // Augment the Actions |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 371 | fa.Actions = append(fa.Actions, fu.Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 372 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 373 | fg := fu.NewFlowsAndGroups() |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 374 | fs, err := fu.MkFlowStat(fa) |
| 375 | if err != nil { |
| 376 | return nil, err |
| 377 | } |
| 378 | fg.AddFlow(fs) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 379 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
| 380 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 381 | |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 382 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 383 | } |
| 384 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 385 | // processUnicastFlow decomposes unicast flows |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 386 | func (fd *FlowDecomposer) processUnicastFlow(ctx context.Context, path []route.Hop, |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 387 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) (*fu.DeviceRules, error) { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 388 | |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 389 | logger.Debugw(ctx, "decomposing-onu-flow-in-downstream-unicast-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 390 | deviceRules := fu.NewDeviceRules() |
| 391 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 392 | egressHop := path[1] |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 393 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 394 | meterID := fu.GetMeterIdFromFlow(flow) |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 395 | metadataFromwriteMetadata := fu.GetMetadataFromWriteMetadataAction(ctx, flow) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 396 | fa := &fu.FlowArgs{ |
| 397 | 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] | 398 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 399 | fu.InPort(egressHop.Ingress), |
| 400 | }, |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 401 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 402 | // Augment the matchfields with the ofpfields from the flow |
| 403 | fa.MatchFields = append(fa.MatchFields, fu.GetOfbFields(flow, fu.IN_PORT)...) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 404 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 405 | // Augment the Actions |
| 406 | filteredAction := fu.GetActions(flow, fu.OUTPUT) |
| 407 | filteredAction = append(filteredAction, fu.Output(egressHop.Egress)) |
| 408 | fa.Actions = filteredAction |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 409 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 410 | fg := fu.NewFlowsAndGroups() |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 411 | fs, err := fu.MkFlowStat(fa) |
| 412 | if err != nil { |
| 413 | return nil, err |
| 414 | } |
| 415 | fg.AddFlow(fs) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 416 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 417 | return deviceRules, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 418 | } |
| 419 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 420 | // processMulticastFlow decompose multicast flows |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 421 | func (fd *FlowDecomposer) processMulticastFlow(ctx context.Context, path []route.Hop, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 422 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats, grpID uint32, |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 423 | groupMap map[uint32]*ofp.OfpGroupEntry) *fu.DeviceRules { |
| 424 | |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 425 | logger.Debugw(ctx, "multicast-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 426 | deviceRules := fu.NewDeviceRules() |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 427 | |
| 428 | //having no Group yet is the same as having a Group with no buckets |
| 429 | var grp *ofp.OfpGroupEntry |
| 430 | var ok bool |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 431 | if grp, ok = groupMap[grpID]; !ok { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 432 | logger.Warnw(ctx, "Group-id-not-present-in-map", log.Fields{"grpId": grpID, "groupMap": groupMap}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 433 | return deviceRules |
| 434 | } |
| 435 | if grp == nil || grp.Desc == nil { |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 436 | logger.Warnw(ctx, "Group-or-desc-nil", log.Fields{"grpId": grpID, "grp": grp}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 437 | return deviceRules |
| 438 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 439 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 440 | deviceRules.CreateEntryIfNotExist(path[0].DeviceID) |
Esin Karaman | 09959ae | 2019-11-29 13:59:58 +0000 | [diff] [blame] | 441 | fg := fu.NewFlowsAndGroups() |
| 442 | fg.AddFlow(flow) |
| 443 | //return the multicast flow without decomposing it |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 444 | deviceRules.AddFlowsAndGroup(path[0].DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 445 | return deviceRules |
| 446 | } |
| 447 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 448 | // decomposeFlow decomposes a flow for a logical device into flows for each physical device |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 449 | func (fd *FlowDecomposer) decomposeFlow(ctx context.Context, agent coreif.LogicalDeviceAgent, flow *ofp.OfpFlowStats, |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 450 | groupMap map[uint32]*ofp.OfpGroupEntry) (*fu.DeviceRules, error) { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame] | 451 | |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 452 | inPortNo := fu.GetInPort(flow) |
Esin Karaman | 09959ae | 2019-11-29 13:59:58 +0000 | [diff] [blame] | 453 | if fu.HasGroup(flow) && inPortNo == 0 { |
| 454 | //if no in-port specified for a multicast flow, put NNI port as in-port |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 455 | //so that a valid path can be found for the flow |
Esin Karaman | 09959ae | 2019-11-29 13:59:58 +0000 | [diff] [blame] | 456 | nniPorts := agent.GetNNIPorts() |
| 457 | if len(nniPorts) > 0 { |
Kent Hagerman | fa9d6d4 | 2020-05-25 11:49:40 -0400 | [diff] [blame] | 458 | for port := range nniPorts { |
| 459 | inPortNo = port |
| 460 | break |
| 461 | } |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 462 | logger.Debugw(ctx, "assigning-nni-port-as-in-port-for-multicast-flow", log.Fields{"nni": inPortNo, "flow:": flow}) |
Esin Karaman | 09959ae | 2019-11-29 13:59:58 +0000 | [diff] [blame] | 463 | } |
| 464 | } |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 465 | outPortNo := fu.GetOutPort(flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 466 | deviceRules := fu.NewDeviceRules() |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 467 | path, err := agent.GetRoute(ctx, inPortNo, outPortNo) |
| 468 | if err != nil { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 469 | return deviceRules, err |
| 470 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 471 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 472 | switch len(path) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 473 | case 0: |
khenaidoo | 787224a | 2020-04-16 18:08:47 -0400 | [diff] [blame] | 474 | return deviceRules, fmt.Errorf("no route from:%d to:%d :%w", inPortNo, outPortNo, route.ErrNoRoute) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 475 | case 2: |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 476 | logger.Debugw(ctx, "route-found", log.Fields{"ingressHop": path[0], "egressHop": path[1]}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 477 | default: |
khenaidoo | 787224a | 2020-04-16 18:08:47 -0400 | [diff] [blame] | 478 | return deviceRules, fmt.Errorf("invalid route length %d :%w", len(path), route.ErrNoRoute) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 479 | } |
| 480 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 481 | // Process controller bound flow |
| 482 | if outPortNo != 0 && (outPortNo&0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER) { |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 483 | deviceRules, err = fd.processControllerBoundFlow(ctx, agent, path, inPortNo, outPortNo, flow) |
| 484 | if err != nil { |
| 485 | return nil, err |
| 486 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 487 | } else { |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 488 | var ingressDevice *voltha.Device |
| 489 | var err error |
Kent Hagerman | 45a13e4 | 2020-04-13 12:23:50 -0400 | [diff] [blame] | 490 | if ingressDevice, err = fd.deviceMgr.GetDevice(ctx, &voltha.ID{Id: path[0].DeviceID}); err != nil { |
khenaidoo | 787224a | 2020-04-16 18:08:47 -0400 | [diff] [blame] | 491 | // This can happen in a race condition where a device is deleted right after we obtain a |
| 492 | // route involving the device (GetRoute() above). Handle it as a no route event as well. |
| 493 | return deviceRules, fmt.Errorf("get-device-error :%v :%w", err, route.ErrNoRoute) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 494 | } |
| 495 | isUpstream := !ingressDevice.Root |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 496 | if isUpstream { // Unicast OLT and ONU UL |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 497 | logger.Debug(ctx, "process-olt-nd-onu-upstream-noncontrollerbound-unicast-flows", log.Fields{"flows": flow}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 498 | deviceRules, err = fd.processUpstreamNonControllerBoundFlow(ctx, path, inPortNo, outPortNo, flow) |
| 499 | if err != nil { |
| 500 | return nil, err |
| 501 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 502 | } else if fu.HasNextTable(flow) && flow.TableId == 0 { // Unicast OLT flow DL |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 503 | logger.Debugw(ctx, "process-olt-downstream-noncontrollerbound-flow-with-nexttable", log.Fields{"flows": flow}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 504 | deviceRules, err = fd.processDownstreamFlowWithNextTable(ctx, agent, path, inPortNo, outPortNo, flow) |
| 505 | if err != nil { |
| 506 | return nil, err |
| 507 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 508 | } else if flow.TableId == 1 && outPortNo != 0 { // Unicast ONU flow DL |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 509 | logger.Debugw(ctx, "process-onu-downstream-unicast-flow", log.Fields{"flows": flow}) |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 510 | deviceRules, err = fd.processUnicastFlow(ctx, path, inPortNo, outPortNo, flow) |
| 511 | if err != nil { |
| 512 | return nil, err |
| 513 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 514 | } else if grpID := fu.GetGroup(flow); grpID != 0 && flow.TableId == 0 { //Multicast |
Rohan Agrawal | 31f2180 | 2020-06-12 05:38:46 +0000 | [diff] [blame^] | 515 | logger.Debugw(ctx, "process-multicast-flow", log.Fields{"flows": flow}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 516 | deviceRules = fd.processMulticastFlow(ctx, path, inPortNo, outPortNo, flow, grpID, groupMap) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 517 | } else { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 518 | return deviceRules, status.Errorf(codes.Aborted, "unknown downstream flow %v", *flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 519 | } |
| 520 | } |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 521 | deviceRules, err = fd.updateOutputPortForControllerBoundFlowForParentDevide(flow, deviceRules) |
| 522 | return deviceRules, err |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 523 | } |