khenaidoo | b920354 | 2018-09-17 22:56:37 -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 | package core |
| 17 | |
| 18 | import ( |
| 19 | "context" |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 20 | "errors" |
| 21 | "fmt" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 22 | "github.com/gogo/protobuf/proto" |
| 23 | "github.com/opencord/voltha-go/common/log" |
| 24 | "github.com/opencord/voltha-go/db/model" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 25 | fd "github.com/opencord/voltha-go/rw_core/flow_decomposition" |
| 26 | "github.com/opencord/voltha-go/rw_core/graph" |
| 27 | fu "github.com/opencord/voltha-go/rw_core/utils" |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 28 | ic "github.com/opencord/voltha-protos/go/inter_container" |
| 29 | ofp "github.com/opencord/voltha-protos/go/openflow_13" |
| 30 | "github.com/opencord/voltha-protos/go/voltha" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 31 | "google.golang.org/grpc/codes" |
| 32 | "google.golang.org/grpc/status" |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 33 | "reflect" |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 34 | "sync" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 35 | ) |
| 36 | |
| 37 | type LogicalDeviceAgent struct { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 38 | logicalDeviceId string |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 39 | //lastData *voltha.LogicalDevice |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 40 | rootDeviceId string |
| 41 | deviceMgr *DeviceManager |
| 42 | ldeviceMgr *LogicalDeviceManager |
| 43 | clusterDataProxy *model.Proxy |
| 44 | exitChannel chan int |
| 45 | deviceGraph *graph.DeviceGraph |
| 46 | DefaultFlowRules *fu.DeviceRules |
| 47 | flowProxy *model.Proxy |
| 48 | groupProxy *model.Proxy |
| 49 | ldProxy *model.Proxy |
| 50 | portProxies map[string]*model.Proxy |
| 51 | portProxiesLock sync.RWMutex |
| 52 | lockLogicalDevice sync.RWMutex |
| 53 | logicalPortsNo map[uint32]bool //value is true for NNI port |
| 54 | lockLogicalPortsNo sync.RWMutex |
| 55 | flowDecomposer *fd.FlowDecomposer |
| 56 | includeDefaultFlows bool |
| 57 | defaultTimeout int64 |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 58 | } |
| 59 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 60 | func newLogicalDeviceAgent(id string, deviceId string, ldeviceMgr *LogicalDeviceManager, |
| 61 | deviceMgr *DeviceManager, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 62 | cdProxy *model.Proxy, timeout int64) *LogicalDeviceAgent { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 63 | var agent LogicalDeviceAgent |
| 64 | agent.exitChannel = make(chan int, 1) |
| 65 | agent.logicalDeviceId = id |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 66 | agent.rootDeviceId = deviceId |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 67 | agent.deviceMgr = deviceMgr |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 68 | agent.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 69 | agent.ldeviceMgr = ldeviceMgr |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 70 | agent.flowDecomposer = fd.NewFlowDecomposer(agent.deviceMgr) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 71 | agent.lockLogicalDevice = sync.RWMutex{} |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 72 | agent.portProxies = make(map[string]*model.Proxy) |
| 73 | agent.portProxiesLock = sync.RWMutex{} |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 74 | agent.lockLogicalPortsNo = sync.RWMutex{} |
| 75 | agent.logicalPortsNo = make(map[uint32]bool) |
| 76 | agent.includeDefaultFlows = true |
| 77 | agent.defaultTimeout = timeout |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 78 | return &agent |
| 79 | } |
| 80 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 81 | // start creates the logical device and add it to the data model |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 82 | func (agent *LogicalDeviceAgent) start(ctx context.Context, loadFromdB bool) error { |
| 83 | log.Infow("starting-logical_device-agent", log.Fields{"logicaldeviceId": agent.logicalDeviceId, "loadFromdB": loadFromdB}) |
| 84 | var ld *voltha.LogicalDevice |
| 85 | if !loadFromdB { |
| 86 | //Build the logical device based on information retrieved from the device adapter |
| 87 | var switchCap *ic.SwitchCapability |
| 88 | var err error |
| 89 | if switchCap, err = agent.deviceMgr.getSwitchCapability(ctx, agent.rootDeviceId); err != nil { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 90 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 91 | return err |
| 92 | } |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 93 | ld = &voltha.LogicalDevice{Id: agent.logicalDeviceId, RootDeviceId: agent.rootDeviceId} |
| 94 | |
| 95 | // Create the datapath ID (uint64) using the logical device ID (based on the MAC Address) |
| 96 | var datapathID uint64 |
| 97 | if datapathID, err = CreateDataPathId(agent.logicalDeviceId); err != nil { |
| 98 | log.Errorw("error-creating-datapath-id", log.Fields{"error": err}) |
| 99 | return err |
| 100 | } |
| 101 | ld.DatapathId = datapathID |
| 102 | ld.Desc = (proto.Clone(switchCap.Desc)).(*ofp.OfpDesc) |
khenaidoo | 6d05513 | 2019-02-12 16:51:19 -0500 | [diff] [blame] | 103 | log.Debugw("Switch-capability", log.Fields{"Desc": ld.Desc, "fromAd": switchCap.Desc}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 104 | ld.SwitchFeatures = (proto.Clone(switchCap.SwitchFeatures)).(*ofp.OfpSwitchFeatures) |
| 105 | ld.Flows = &ofp.Flows{Items: nil} |
| 106 | ld.FlowGroups = &ofp.FlowGroups{Items: nil} |
| 107 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 108 | agent.lockLogicalDevice.Lock() |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 109 | // Save the logical device |
| 110 | if added := agent.clusterDataProxy.AddWithID("/logical_devices", ld.Id, ld, ""); added == nil { |
| 111 | log.Errorw("failed-to-add-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 112 | } else { |
| 113 | log.Debugw("logicaldevice-created", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 114 | } |
| 115 | agent.lockLogicalDevice.Unlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 116 | |
| 117 | // TODO: Set the NNI ports in a separate call once the port update issue is fixed. |
| 118 | go agent.setupNNILogicalPorts(ctx, agent.rootDeviceId) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 119 | } else { |
| 120 | // load from dB - the logical may not exist at this time. On error, just return and the calling function |
| 121 | // will destroy this agent. |
| 122 | var err error |
| 123 | if ld, err = agent.GetLogicalDevice(); err != nil { |
| 124 | log.Warnw("failed-to-load-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 125 | return err |
| 126 | } |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 127 | // Update the root device Id |
| 128 | agent.rootDeviceId = ld.RootDeviceId |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 129 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 130 | agent.lockLogicalDevice.Lock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 131 | |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 132 | agent.flowProxy = agent.clusterDataProxy.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 133 | fmt.Sprintf("/logical_devices/%s/flows", agent.logicalDeviceId), |
| 134 | false) |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 135 | agent.groupProxy = agent.clusterDataProxy.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 136 | fmt.Sprintf("/logical_devices/%s/flow_groups", agent.logicalDeviceId), |
| 137 | false) |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 138 | agent.ldProxy = agent.clusterDataProxy.CreateProxy( |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 139 | fmt.Sprintf("/logical_devices/%s", agent.logicalDeviceId), |
| 140 | false) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 141 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 142 | // TODO: Use a port proxy once the POST_ADD is fixed |
| 143 | agent.ldProxy.RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 144 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 145 | agent.includeDefaultFlows = true |
| 146 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 147 | agent.lockLogicalDevice.Unlock() |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 148 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 149 | return nil |
| 150 | } |
| 151 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 152 | // stop stops the logical devuce agent. This removes the logical device from the data model. |
| 153 | func (agent *LogicalDeviceAgent) stop(ctx context.Context) { |
| 154 | log.Info("stopping-logical_device-agent") |
| 155 | agent.lockLogicalDevice.Lock() |
| 156 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 157 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 158 | //Remove the logical device from the model |
| 159 | if removed := agent.clusterDataProxy.Remove("/logical_devices/"+agent.logicalDeviceId, ""); removed == nil { |
| 160 | log.Errorw("failed-to-remove-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 161 | } else { |
| 162 | log.Debugw("logicaldevice-removed", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 163 | } |
| 164 | agent.exitChannel <- 1 |
| 165 | log.Info("logical_device-agent-stopped") |
| 166 | } |
| 167 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 168 | // GetLogicalDevice locks the logical device model and then retrieves the latest logical device information |
| 169 | func (agent *LogicalDeviceAgent) GetLogicalDevice() (*voltha.LogicalDevice, error) { |
| 170 | log.Debug("GetLogicalDevice") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 171 | agent.lockLogicalDevice.RLock() |
| 172 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 173 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 174 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 175 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 176 | } |
| 177 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 178 | } |
| 179 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 180 | func (agent *LogicalDeviceAgent) ListLogicalDevicePorts() (*voltha.LogicalPorts, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 181 | log.Debug("ListLogicalDevicePorts") |
| 182 | agent.lockLogicalDevice.RLock() |
| 183 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 184 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 185 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 186 | lPorts := make([]*voltha.LogicalPort, 0) |
| 187 | for _, port := range lDevice.Ports { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 188 | lPorts = append(lPorts, port) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 189 | } |
| 190 | return &voltha.LogicalPorts{Items: lPorts}, nil |
| 191 | } |
| 192 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 193 | } |
| 194 | |
| 195 | // listFlows locks the logical device model and then retrieves the latest flow information |
| 196 | func (agent *LogicalDeviceAgent) listFlows() []*ofp.OfpFlowStats { |
| 197 | log.Debug("listFlows") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 198 | agent.lockLogicalDevice.RLock() |
| 199 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 200 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 201 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 202 | return lDevice.Flows.Items |
| 203 | } |
| 204 | return nil |
| 205 | } |
| 206 | |
| 207 | // listFlowGroups locks the logical device model and then retrieves the latest flow groups information |
| 208 | func (agent *LogicalDeviceAgent) listFlowGroups() []*ofp.OfpGroupEntry { |
| 209 | log.Debug("listFlowGroups") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 210 | agent.lockLogicalDevice.RLock() |
| 211 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 212 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 213 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 214 | return lDevice.FlowGroups.Items |
| 215 | } |
| 216 | return nil |
| 217 | } |
| 218 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 219 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 220 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowsWithoutLock(flows *ofp.Flows) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 221 | afterUpdate := agent.flowProxy.Update("/", flows, false, "") |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 222 | if afterUpdate == nil { |
| 223 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flows:%s", agent.logicalDeviceId) |
| 224 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 225 | return nil |
| 226 | } |
| 227 | |
| 228 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 229 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowGroupsWithoutLock(flowGroups *ofp.FlowGroups) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 230 | afterUpdate := agent.groupProxy.Update("/", flowGroups, false, "") |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 231 | if afterUpdate == nil { |
| 232 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flow-groups:%s", agent.logicalDeviceId) |
| 233 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 234 | return nil |
| 235 | } |
| 236 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 237 | // getLogicalDeviceWithoutLock retrieves a logical device from the model without locking it. This is used only by |
| 238 | // functions that have already acquired the logical device lock to the model |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 239 | func (agent *LogicalDeviceAgent) getLogicalDeviceWithoutLock() (*voltha.LogicalDevice, error) { |
| 240 | log.Debug("getLogicalDeviceWithoutLock") |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 241 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 242 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 243 | //log.Debug("getLogicalDeviceWithoutLock", log.Fields{"ldevice": lDevice}) |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 244 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 245 | } |
| 246 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 247 | } |
| 248 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 249 | func (agent *LogicalDeviceAgent) updateLogicalPort(device *voltha.Device, port *voltha.Port) error { |
| 250 | log.Debugw("updateLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
| 251 | var err error |
| 252 | if port.Type == voltha.Port_ETHERNET_NNI { |
| 253 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
| 254 | return err |
| 255 | } |
| 256 | agent.addLogicalPortToMap(port.PortNo, true) |
| 257 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 258 | if _, err = agent.addUNILogicalPort(device, port); err != nil { |
| 259 | return err |
| 260 | } |
| 261 | agent.addLogicalPortToMap(port.PortNo, false) |
| 262 | } else { |
| 263 | // Update the device graph to ensure all routes on the logical device have been calculated |
| 264 | if err = agent.updateRoutes(device, port); err != nil { |
| 265 | log.Errorw("failed-to-update-routes", log.Fields{"deviceId": device.Id, "port": port, "error": err}) |
| 266 | return err |
| 267 | } |
| 268 | } |
| 269 | return nil |
| 270 | } |
| 271 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 272 | func (agent *LogicalDeviceAgent) addLogicalPort(device *voltha.Device, port *voltha.Port) error { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 273 | log.Debugw("addLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 274 | var err error |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 275 | if port.Type == voltha.Port_ETHERNET_NNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 276 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 277 | return err |
| 278 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 279 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 280 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 281 | if _, err = agent.addUNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 282 | return err |
| 283 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 284 | agent.addLogicalPortToMap(port.PortNo, false) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 285 | } else { |
| 286 | log.Debugw("invalid-port-type", log.Fields{"deviceId": device.Id, "port": port}) |
| 287 | return nil |
| 288 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 289 | return nil |
| 290 | } |
| 291 | |
| 292 | // setupNNILogicalPorts creates an NNI port on the logical device that represents an NNI interface on a root device |
| 293 | func (agent *LogicalDeviceAgent) setupNNILogicalPorts(ctx context.Context, deviceId string) error { |
| 294 | log.Infow("setupNNILogicalPorts-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 295 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 296 | var err error |
| 297 | |
| 298 | var device *voltha.Device |
| 299 | if device, err = agent.deviceMgr.GetDevice(deviceId); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 300 | log.Errorw("error-retrieving-device", log.Fields{"error": err, "deviceId": deviceId}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 301 | return err |
| 302 | } |
| 303 | |
| 304 | //Get UNI port number |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 305 | for _, port := range device.Ports { |
| 306 | if port.Type == voltha.Port_ETHERNET_NNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 307 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 308 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 309 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 310 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 311 | } |
| 312 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 313 | return err |
| 314 | } |
| 315 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 316 | // updatePortsState updates the ports state related to the device |
| 317 | func (agent *LogicalDeviceAgent) updatePortsState(device *voltha.Device, state voltha.AdminState_AdminState) error { |
| 318 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 319 | agent.lockLogicalDevice.Lock() |
| 320 | defer agent.lockLogicalDevice.Unlock() |
| 321 | // Get the latest logical device info |
| 322 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 323 | log.Warnw("logical-device-unknown", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 324 | return err |
| 325 | } else { |
| 326 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 327 | for _, lport := range cloned.Ports { |
| 328 | if lport.DeviceId == device.Id { |
| 329 | switch state { |
| 330 | case voltha.AdminState_ENABLED: |
| 331 | lport.OfpPort.Config = lport.OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 332 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LIVE) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 333 | case voltha.AdminState_DISABLED: |
| 334 | lport.OfpPort.Config = lport.OfpPort.Config | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 335 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LINK_DOWN) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 336 | default: |
| 337 | log.Warnw("unsupported-state-change", log.Fields{"deviceId": device.Id, "state": state}) |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 342 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 343 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 344 | return err |
| 345 | } |
| 346 | } |
| 347 | return nil |
| 348 | } |
| 349 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 350 | // setupUNILogicalPorts creates a UNI port on the logical device that represents a child UNI interface |
| 351 | func (agent *LogicalDeviceAgent) setupUNILogicalPorts(ctx context.Context, childDevice *voltha.Device) error { |
| 352 | log.Infow("setupUNILogicalPort-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 353 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 354 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 355 | |
| 356 | //Get UNI port number |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 357 | for _, port := range childDevice.Ports { |
| 358 | if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 359 | if _, err = agent.addUNILogicalPort(childDevice, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 360 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 361 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 362 | agent.addLogicalPortToMap(port.PortNo, false) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 363 | } |
| 364 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 365 | return err |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 366 | } |
| 367 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 368 | // deleteAllLogicalPorts deletes all logical ports associated with this device |
| 369 | func (agent *LogicalDeviceAgent) deleteAllLogicalPorts(device *voltha.Device) error { |
| 370 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 371 | agent.lockLogicalDevice.Lock() |
| 372 | defer agent.lockLogicalDevice.Unlock() |
| 373 | // Get the latest logical device info |
| 374 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 375 | log.Warnw("logical-device-unknown", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 376 | return err |
| 377 | } else { |
| 378 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 379 | updateLogicalPorts := []*voltha.LogicalPort{} |
| 380 | for _, lport := range cloned.Ports { |
| 381 | if lport.DeviceId != device.Id { |
| 382 | updateLogicalPorts = append(updateLogicalPorts, lport) |
| 383 | } |
| 384 | } |
| 385 | if len(updateLogicalPorts) < len(cloned.Ports) { |
| 386 | cloned.Ports = updateLogicalPorts |
| 387 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 388 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 389 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 390 | return err |
| 391 | } |
| 392 | } else { |
| 393 | log.Debugw("no-change-required", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 394 | } |
| 395 | } |
| 396 | return nil |
| 397 | } |
| 398 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 399 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 400 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(logicalDevice *voltha.LogicalDevice) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 401 | afterUpdate := agent.clusterDataProxy.Update("/logical_devices/"+agent.logicalDeviceId, logicalDevice, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 402 | if afterUpdate == nil { |
| 403 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceId) |
| 404 | } |
| 405 | return nil |
| 406 | } |
| 407 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 408 | //updateFlowTable updates the flow table of that logical device |
| 409 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
| 410 | log.Debug("updateFlowTable") |
| 411 | if flow == nil { |
| 412 | return nil |
| 413 | } |
| 414 | switch flow.GetCommand() { |
| 415 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
| 416 | return agent.flowAdd(flow) |
| 417 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
| 418 | return agent.flowDelete(flow) |
| 419 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
| 420 | return agent.flowDeleteStrict(flow) |
| 421 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 422 | return agent.flowModify(flow) |
| 423 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 424 | return agent.flowModifyStrict(flow) |
| 425 | } |
| 426 | return status.Errorf(codes.Internal, |
| 427 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, flow.GetCommand()) |
| 428 | } |
| 429 | |
| 430 | //updateGroupTable updates the group table of that logical device |
| 431 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
| 432 | log.Debug("updateGroupTable") |
| 433 | if groupMod == nil { |
| 434 | return nil |
| 435 | } |
| 436 | switch groupMod.GetCommand() { |
| 437 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
| 438 | return agent.groupAdd(groupMod) |
| 439 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
| 440 | return agent.groupDelete(groupMod) |
| 441 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
| 442 | return agent.groupModify(groupMod) |
| 443 | } |
| 444 | return status.Errorf(codes.Internal, |
| 445 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, groupMod.GetCommand()) |
| 446 | } |
| 447 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 448 | //flowAdd adds a flow to the flow table of that logical device |
| 449 | func (agent *LogicalDeviceAgent) flowAdd(mod *ofp.OfpFlowMod) error { |
| 450 | log.Debug("flowAdd") |
| 451 | if mod == nil { |
| 452 | return nil |
| 453 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 454 | agent.lockLogicalDevice.Lock() |
| 455 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 456 | |
| 457 | var lDevice *voltha.LogicalDevice |
| 458 | var err error |
| 459 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 460 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 461 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 462 | } |
| 463 | |
| 464 | var flows []*ofp.OfpFlowStats |
| 465 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 466 | flows = lDevice.Flows.Items |
| 467 | } |
| 468 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 469 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 470 | //oldData := proto.Clone(lDevice.Flows).(*voltha.Flows) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 471 | changed := false |
| 472 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 473 | if checkOverlap { |
| 474 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 475 | // TODO: should this error be notified other than being logged? |
| 476 | log.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 477 | } else { |
| 478 | // Add flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 479 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 480 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 481 | updatedFlows = append(updatedFlows, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 482 | changed = true |
| 483 | } |
| 484 | } else { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 485 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 486 | idx := fu.FindFlows(flows, flow) |
| 487 | if idx >= 0 { |
| 488 | oldFlow := flows[idx] |
| 489 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 490 | flow.ByteCount = oldFlow.ByteCount |
| 491 | flow.PacketCount = oldFlow.PacketCount |
| 492 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 493 | if !reflect.DeepEqual(oldFlow, flow) { |
| 494 | flows[idx] = flow |
| 495 | updatedFlows = append(updatedFlows, flow) |
| 496 | changed = true |
| 497 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 498 | } else { |
| 499 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 500 | updatedFlows = append(updatedFlows, flow) |
| 501 | changed = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 502 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 503 | } |
| 504 | if changed { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 505 | // Launch a routine to decompose the flows |
| 506 | if err := agent.decomposeAndSendFlows(&ofp.Flows{Items: updatedFlows}, lDevice.FlowGroups, agent.includeDefaultFlows); err != nil { |
manikkaraj k | 259a6f7 | 2019-05-06 09:55:44 -0400 | [diff] [blame] | 507 | log.Errorw("decomposing-and-sending-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 508 | return err |
| 509 | } |
| 510 | |
| 511 | // We no longer need to sent the default flows, unless there is a change in device topology |
| 512 | agent.includeDefaultFlows = false |
| 513 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 514 | // Update model |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 515 | flowsToUpdate := &ofp.Flows{} |
| 516 | if lDevice.Flows != nil { |
| 517 | flowsToUpdate = &ofp.Flows{Items: flows} |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 518 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 519 | if err := agent.updateLogicalDeviceFlowsWithoutLock(flowsToUpdate); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 520 | log.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 521 | return err |
| 522 | } |
| 523 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 524 | return nil |
| 525 | } |
| 526 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 527 | func (agent *LogicalDeviceAgent) decomposeAndSendFlows(flows *ofp.Flows, groups *ofp.FlowGroups, includeDefaultFlows bool) error { |
| 528 | log.Debugw("decomposeAndSendFlows", log.Fields{"logicalDeviceID": agent.logicalDeviceId}) |
| 529 | |
| 530 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *flows, *groups, includeDefaultFlows) |
| 531 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 532 | |
| 533 | chnlsList := make([]chan interface{}, 0) |
| 534 | for deviceId, value := range deviceRules.GetRules() { |
| 535 | ch := make(chan interface{}) |
| 536 | chnlsList = append(chnlsList, ch) |
| 537 | go func(deviceId string, flows []*ofp.OfpFlowStats, groups []*ofp.OfpGroupEntry) { |
| 538 | if err := agent.deviceMgr.addFlowsAndGroups(deviceId, flows, groups); err != nil { |
| 539 | log.Error("flow-update-failed", log.Fields{"deviceID": deviceId}) |
| 540 | ch <- status.Errorf(codes.Internal, "flow-update-failed: %s", deviceId) |
| 541 | } |
| 542 | ch <- nil |
| 543 | }(deviceId, value.ListFlows(), value.ListGroups()) |
| 544 | } |
| 545 | // Wait for completion |
| 546 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 547 | return status.Errorf(codes.Aborted, "errors-%s", res) |
| 548 | } |
| 549 | return nil |
| 550 | } |
| 551 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 552 | //flowDelete deletes a flow from the flow table of that logical device |
| 553 | func (agent *LogicalDeviceAgent) flowDelete(mod *ofp.OfpFlowMod) error { |
| 554 | log.Debug("flowDelete") |
| 555 | if mod == nil { |
| 556 | return nil |
| 557 | } |
| 558 | agent.lockLogicalDevice.Lock() |
| 559 | defer agent.lockLogicalDevice.Unlock() |
| 560 | |
| 561 | var lDevice *voltha.LogicalDevice |
| 562 | var err error |
| 563 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 564 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 565 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 566 | } |
| 567 | flows := lDevice.Flows.Items |
| 568 | |
| 569 | //build a list of what to keep vs what to delete |
| 570 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 571 | for _, f := range flows { |
| 572 | if !fu.FlowMatchesMod(f, mod) { |
| 573 | toKeep = append(toKeep, f) |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | //Update flows |
| 578 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 579 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
| 580 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 581 | return err |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | //TODO: send announcement on delete |
| 586 | return nil |
| 587 | } |
| 588 | |
| 589 | //flowStatsDelete deletes a flow from the flow table of that logical device |
| 590 | func (agent *LogicalDeviceAgent) flowStatsDelete(flow *ofp.OfpFlowStats) error { |
| 591 | log.Debug("flowStatsDelete") |
| 592 | if flow == nil { |
| 593 | return nil |
| 594 | } |
| 595 | agent.lockLogicalDevice.Lock() |
| 596 | defer agent.lockLogicalDevice.Unlock() |
| 597 | |
| 598 | var lDevice *voltha.LogicalDevice |
| 599 | var err error |
| 600 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 601 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 602 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 603 | } |
| 604 | flows := lDevice.Flows.Items |
| 605 | |
| 606 | //build a list of what to keep vs what to delete |
| 607 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 608 | for _, f := range flows { |
| 609 | if !fu.FlowMatch(f, flow) { |
| 610 | toKeep = append(toKeep, f) |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | //Update flows |
| 615 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 616 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 617 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 618 | return err |
| 619 | } |
| 620 | } |
| 621 | return nil |
| 622 | } |
| 623 | |
| 624 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
| 625 | func (agent *LogicalDeviceAgent) flowDeleteStrict(mod *ofp.OfpFlowMod) error { |
| 626 | log.Debug("flowDeleteStrict") |
| 627 | if mod == nil { |
| 628 | return nil |
| 629 | } |
| 630 | agent.lockLogicalDevice.Lock() |
| 631 | defer agent.lockLogicalDevice.Unlock() |
| 632 | |
| 633 | var lDevice *voltha.LogicalDevice |
| 634 | var err error |
| 635 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 636 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 637 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 638 | } |
| 639 | flows := lDevice.Flows.Items |
| 640 | changed := false |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 641 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 642 | idx := fu.FindFlows(flows, flow) |
| 643 | if idx >= 0 { |
| 644 | flows = append(flows[:idx], flows[idx+1:]...) |
| 645 | changed = true |
| 646 | } else { |
| 647 | return errors.New(fmt.Sprintf("Cannot delete flow - %s", flow)) |
| 648 | } |
| 649 | |
| 650 | if changed { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 651 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 652 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 653 | return err |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | return nil |
| 658 | } |
| 659 | |
| 660 | //flowModify modifies a flow from the flow table of that logical device |
| 661 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 662 | return errors.New("flowModify not implemented") |
| 663 | } |
| 664 | |
| 665 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 666 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 667 | return errors.New("flowModifyStrict not implemented") |
| 668 | } |
| 669 | |
| 670 | func (agent *LogicalDeviceAgent) groupAdd(groupMod *ofp.OfpGroupMod) error { |
| 671 | log.Debug("groupAdd") |
| 672 | if groupMod == nil { |
| 673 | return nil |
| 674 | } |
| 675 | agent.lockLogicalDevice.Lock() |
| 676 | defer agent.lockLogicalDevice.Unlock() |
| 677 | |
| 678 | var lDevice *voltha.LogicalDevice |
| 679 | var err error |
| 680 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 681 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 682 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 683 | } |
| 684 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 685 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 686 | groups = append(groups, fu.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 687 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 688 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 689 | return err |
| 690 | } |
| 691 | } else { |
| 692 | return errors.New(fmt.Sprintf("Groups %d already present", groupMod.GroupId)) |
| 693 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 694 | return nil |
| 695 | } |
| 696 | |
| 697 | func (agent *LogicalDeviceAgent) groupDelete(groupMod *ofp.OfpGroupMod) error { |
| 698 | log.Debug("groupDelete") |
| 699 | if groupMod == nil { |
| 700 | return nil |
| 701 | } |
| 702 | agent.lockLogicalDevice.Lock() |
| 703 | defer agent.lockLogicalDevice.Unlock() |
| 704 | |
| 705 | var lDevice *voltha.LogicalDevice |
| 706 | var err error |
| 707 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 708 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 709 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 710 | } |
| 711 | groups := lDevice.FlowGroups.Items |
| 712 | flows := lDevice.Flows.Items |
| 713 | groupsChanged := false |
| 714 | flowsChanged := false |
| 715 | groupId := groupMod.GroupId |
| 716 | if groupId == uint32(ofp.OfpGroup_OFPG_ALL) { |
| 717 | //TODO we must delete all flows that point to this group and |
| 718 | //signal controller as requested by flow's flag |
| 719 | groups = []*ofp.OfpGroupEntry{} |
| 720 | groupsChanged = true |
| 721 | } else { |
| 722 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
| 723 | return nil // Valid case |
| 724 | } else { |
| 725 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupId) |
| 726 | groups = append(groups[:idx], groups[idx+1:]...) |
| 727 | groupsChanged = true |
| 728 | } |
| 729 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 730 | if groupsChanged { |
| 731 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 732 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 733 | return err |
| 734 | } |
| 735 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 736 | if flowsChanged { |
| 737 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
| 738 | log.Errorw("Cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 739 | return err |
| 740 | } |
| 741 | } |
| 742 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 743 | return nil |
| 744 | } |
| 745 | |
| 746 | func (agent *LogicalDeviceAgent) groupModify(groupMod *ofp.OfpGroupMod) error { |
| 747 | log.Debug("groupModify") |
| 748 | if groupMod == nil { |
| 749 | return nil |
| 750 | } |
| 751 | agent.lockLogicalDevice.Lock() |
| 752 | defer agent.lockLogicalDevice.Unlock() |
| 753 | |
| 754 | var lDevice *voltha.LogicalDevice |
| 755 | var err error |
| 756 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 757 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 758 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 759 | } |
| 760 | groups := lDevice.FlowGroups.Items |
| 761 | groupsChanged := false |
| 762 | groupId := groupMod.GroupId |
| 763 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 764 | return errors.New(fmt.Sprintf("group-absent:%d", groupId)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 765 | } else { |
| 766 | //replace existing group entry with new group definition |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 767 | groupEntry := fu.GroupEntryFromGroupMod(groupMod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 768 | groups[idx] = groupEntry |
| 769 | groupsChanged = true |
| 770 | } |
| 771 | if groupsChanged { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 772 | //lDevice.FlowGroups.Items = groups |
| 773 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 774 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 775 | return err |
| 776 | } |
| 777 | } |
| 778 | return nil |
| 779 | } |
| 780 | |
| 781 | // deleteLogicalPort removes the logical port |
| 782 | func (agent *LogicalDeviceAgent) deleteLogicalPort(lPort *voltha.LogicalPort) error { |
| 783 | agent.lockLogicalDevice.Lock() |
| 784 | defer agent.lockLogicalDevice.Unlock() |
| 785 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 786 | // Get the most up to date logical device |
| 787 | var logicaldevice *voltha.LogicalDevice |
| 788 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 789 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 790 | return nil |
| 791 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 792 | index := -1 |
| 793 | for i, logicalPort := range logicaldevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 794 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 795 | index = i |
| 796 | break |
| 797 | } |
| 798 | } |
| 799 | if index >= 0 { |
| 800 | copy(logicaldevice.Ports[index:], logicaldevice.Ports[index+1:]) |
| 801 | logicaldevice.Ports[len(logicaldevice.Ports)-1] = nil |
| 802 | logicaldevice.Ports = logicaldevice.Ports[:len(logicaldevice.Ports)-1] |
| 803 | log.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 804 | if err := agent.updateLogicalDeviceWithoutLock(logicaldevice); err != nil { |
| 805 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 806 | return err |
| 807 | } |
| 808 | // Reset the logical device graph |
| 809 | go agent.redoDeviceGraph() |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 810 | } |
| 811 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 812 | } |
| 813 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 814 | // deleteLogicalPorts removes the logical ports associated with that deviceId |
| 815 | func (agent *LogicalDeviceAgent) deleteLogicalPorts(deviceId string) error { |
| 816 | agent.lockLogicalDevice.Lock() |
| 817 | defer agent.lockLogicalDevice.Unlock() |
| 818 | |
| 819 | // Get the most up to date logical device |
| 820 | var logicaldevice *voltha.LogicalDevice |
| 821 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 822 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 823 | return nil |
| 824 | } |
| 825 | updatedLPorts := []*voltha.LogicalPort{} |
| 826 | for _, logicalPort := range logicaldevice.Ports { |
| 827 | if logicalPort.DeviceId != deviceId { |
| 828 | updatedLPorts = append(updatedLPorts, logicalPort) |
| 829 | } |
| 830 | } |
| 831 | logicaldevice.Ports = updatedLPorts |
| 832 | log.Debugw("updated-logical-ports", log.Fields{"ports": updatedLPorts}) |
| 833 | if err := agent.updateLogicalDeviceWithoutLock(logicaldevice); err != nil { |
| 834 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 835 | return err |
| 836 | } |
| 837 | // Reset the logical device graph |
| 838 | go agent.redoDeviceGraph() |
| 839 | |
| 840 | return nil |
| 841 | } |
| 842 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 843 | // enableLogicalPort enables the logical port |
| 844 | func (agent *LogicalDeviceAgent) enableLogicalPort(lPort *voltha.LogicalPort) error { |
| 845 | agent.lockLogicalDevice.Lock() |
| 846 | defer agent.lockLogicalDevice.Unlock() |
| 847 | |
| 848 | // Get the most up to date logical device |
| 849 | var logicaldevice *voltha.LogicalDevice |
| 850 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 851 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 852 | return nil |
| 853 | } |
| 854 | index := -1 |
| 855 | for i, logicalPort := range logicaldevice.Ports { |
| 856 | if logicalPort.Id == lPort.Id { |
| 857 | index = i |
| 858 | break |
| 859 | } |
| 860 | } |
| 861 | if index >= 0 { |
| 862 | logicaldevice.Ports[index].OfpPort.Config = logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 863 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 864 | } |
| 865 | //TODO: Trigger subsequent actions on the device |
| 866 | return nil |
| 867 | } |
| 868 | |
| 869 | // disableLogicalPort disabled the logical port |
| 870 | func (agent *LogicalDeviceAgent) disableLogicalPort(lPort *voltha.LogicalPort) error { |
| 871 | agent.lockLogicalDevice.Lock() |
| 872 | defer agent.lockLogicalDevice.Unlock() |
| 873 | |
| 874 | // Get the most up to date logical device |
| 875 | var logicaldevice *voltha.LogicalDevice |
| 876 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 877 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 878 | return nil |
| 879 | } |
| 880 | index := -1 |
| 881 | for i, logicalPort := range logicaldevice.Ports { |
| 882 | if logicalPort.Id == lPort.Id { |
| 883 | index = i |
| 884 | break |
| 885 | } |
| 886 | } |
| 887 | if index >= 0 { |
| 888 | logicaldevice.Ports[index].OfpPort.Config = (logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 889 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 890 | } |
| 891 | //TODO: Trigger subsequent actions on the device |
| 892 | return nil |
| 893 | } |
| 894 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 895 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) []graph.RouteHop { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 896 | log.Debugw("ROUTE", log.Fields{"len": len(agent.deviceGraph.Routes)}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 897 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 898 | log.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 899 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
| 900 | return route |
| 901 | } |
| 902 | } |
| 903 | log.Warnw("no-route", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "ingress": ingress, "egress": egress}) |
| 904 | return nil |
| 905 | } |
| 906 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 907 | func (agent *LogicalDeviceAgent) GetRoute(ingressPortNo uint32, egressPortNo uint32) []graph.RouteHop { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 908 | log.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 909 | routes := make([]graph.RouteHop, 0) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 910 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 911 | // Note: A port value of 0 is equivalent to a nil port |
| 912 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 913 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 914 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 915 | log.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
| 916 | if agent.isNNIPort(ingressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 917 | log.Debug("returning-half-route") |
| 918 | //This is a trap on the NNI Port |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 919 | if len(agent.deviceGraph.Routes) == 0 { |
| 920 | // If there are no routes set (usually when the logical device has only NNI port(s), then just return an |
| 921 | // internal route |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 922 | hop := graph.RouteHop{DeviceID: agent.rootDeviceId, Ingress: ingressPortNo, Egress: egressPortNo} |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 923 | routes = append(routes, hop) |
| 924 | routes = append(routes, hop) |
| 925 | return routes |
| 926 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 927 | //Return a 'half' route to make the flow decomposer logic happy |
| 928 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 929 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 930 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 931 | routes = append(routes, route[1]) |
| 932 | return routes |
| 933 | } |
| 934 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 935 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 936 | return nil |
| 937 | } |
| 938 | //treat it as if the output port is the first NNI of the OLT |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 939 | var err error |
| 940 | if egressPortNo, err = agent.getFirstNNIPort(); err != nil { |
| 941 | log.Warnw("no-nni-port", log.Fields{"error": err}) |
| 942 | return nil |
| 943 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 944 | } |
| 945 | //If ingress port is not specified (nil), it may be a wildcarded |
| 946 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 947 | //in which case we need to create a half-route where only the egress |
| 948 | //hop is filled, the first hop is nil |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 949 | if ingressPortNo == 0 && agent.isNNIPort(egressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 950 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
| 951 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 952 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 953 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 954 | routes = append(routes, route[1]) |
| 955 | return routes |
| 956 | } |
| 957 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 958 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 959 | return nil |
| 960 | } |
| 961 | //If egress port is not specified (nil), we can also can return a "half" route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 962 | if egressPortNo == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 963 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 964 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 965 | routes = append(routes, route[0]) |
| 966 | routes = append(routes, graph.RouteHop{}) |
| 967 | return routes |
| 968 | } |
| 969 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 970 | log.Warnw("no-downstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 971 | return nil |
| 972 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 973 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 974 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 975 | } |
| 976 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 977 | func (agent *LogicalDeviceAgent) rootDeviceDefaultRules() *fu.FlowsAndGroups { |
| 978 | return fu.NewFlowsAndGroups() |
| 979 | } |
| 980 | |
| 981 | func (agent *LogicalDeviceAgent) leafDeviceDefaultRules(deviceId string) *fu.FlowsAndGroups { |
| 982 | fg := fu.NewFlowsAndGroups() |
| 983 | var device *voltha.Device |
| 984 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 985 | if device, err = agent.deviceMgr.GetDevice(deviceId); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 986 | return fg |
| 987 | } |
| 988 | //set the upstream and downstream ports |
| 989 | upstreamPorts := make([]*voltha.Port, 0) |
| 990 | downstreamPorts := make([]*voltha.Port, 0) |
| 991 | for _, port := range device.Ports { |
| 992 | if port.Type == voltha.Port_PON_ONU || port.Type == voltha.Port_VENET_ONU { |
| 993 | upstreamPorts = append(upstreamPorts, port) |
| 994 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 995 | downstreamPorts = append(downstreamPorts, port) |
| 996 | } |
| 997 | } |
| 998 | //it is possible that the downstream ports are not created, but the flow_decomposition has already |
| 999 | //kicked in. In such scenarios, cut short the processing and return. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1000 | if len(downstreamPorts) == 0 || len(upstreamPorts) == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1001 | return fg |
| 1002 | } |
| 1003 | // set up the default flows |
| 1004 | var fa *fu.FlowArgs |
| 1005 | fa = &fu.FlowArgs{ |
| 1006 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 1007 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1008 | fu.InPort(downstreamPorts[0].PortNo), |
| 1009 | fu.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1010 | }, |
| 1011 | Actions: []*ofp.OfpAction{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1012 | fu.SetField(fu.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
| 1013 | fu.Output(upstreamPorts[0].PortNo), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1014 | }, |
| 1015 | } |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1016 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1017 | |
| 1018 | fa = &fu.FlowArgs{ |
| 1019 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 1020 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1021 | fu.InPort(downstreamPorts[0].PortNo), |
| 1022 | fu.VlanVid(0), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1023 | }, |
| 1024 | Actions: []*ofp.OfpAction{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1025 | fu.PushVlan(0x8100), |
| 1026 | fu.SetField(fu.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
| 1027 | fu.Output(upstreamPorts[0].PortNo), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1028 | }, |
| 1029 | } |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1030 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1031 | |
| 1032 | fa = &fu.FlowArgs{ |
| 1033 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 1034 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1035 | fu.InPort(upstreamPorts[0].PortNo), |
| 1036 | fu.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1037 | }, |
| 1038 | Actions: []*ofp.OfpAction{ |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1039 | fu.SetField(fu.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0)), |
| 1040 | fu.Output(downstreamPorts[0].PortNo), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1041 | }, |
| 1042 | } |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1043 | fg.AddFlow(fu.MkFlowStat(fa)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1044 | |
| 1045 | return fg |
| 1046 | } |
| 1047 | |
| 1048 | func (agent *LogicalDeviceAgent) generateDefaultRules() *fu.DeviceRules { |
| 1049 | rules := fu.NewDeviceRules() |
| 1050 | var ld *voltha.LogicalDevice |
| 1051 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1052 | if ld, err = agent.GetLogicalDevice(); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1053 | log.Warnw("no-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 1054 | return rules |
| 1055 | } |
| 1056 | |
| 1057 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1058 | for deviceId := range deviceNodeIds { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1059 | if deviceId == ld.RootDeviceId { |
| 1060 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1061 | } |
| 1062 | } |
| 1063 | return rules |
| 1064 | } |
| 1065 | |
| 1066 | func (agent *LogicalDeviceAgent) GetAllDefaultRules() *fu.DeviceRules { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1067 | return agent.DefaultFlowRules |
| 1068 | } |
| 1069 | |
| 1070 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 1071 | lPorts := make([]uint32, 0) |
| 1072 | var exclPort uint32 |
| 1073 | if len(excludePort) == 1 { |
| 1074 | exclPort = excludePort[0] |
| 1075 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1076 | if lDevice, _ := agent.GetLogicalDevice(); lDevice != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1077 | for _, port := range lDevice.Ports { |
| 1078 | if port.OfpPort.PortNo != exclPort { |
| 1079 | lPorts = append(lPorts, port.OfpPort.PortNo) |
| 1080 | } |
| 1081 | } |
| 1082 | } |
| 1083 | return lPorts |
| 1084 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1085 | |
| 1086 | func (agent *LogicalDeviceAgent) GetDeviceGraph() *graph.DeviceGraph { |
| 1087 | return agent.deviceGraph |
| 1088 | } |
| 1089 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1090 | //updateRoutes redo the device graph if not done already and setup the default rules as well |
| 1091 | func (agent *LogicalDeviceAgent) updateRoutes(device *voltha.Device, port *voltha.Port) error { |
| 1092 | log.Debugf("updateRoutes", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "device": device.Id, "port": port}) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1093 | agent.lockLogicalDevice.Lock() |
| 1094 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1095 | rules := fu.NewDeviceRules() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1096 | if agent.deviceGraph == nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1097 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1098 | } |
| 1099 | // Get all the logical ports on that logical device |
| 1100 | if lDevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
manikkaraj k | 259a6f7 | 2019-05-06 09:55:44 -0400 | [diff] [blame] | 1101 | log.Errorw("unknown-logical-device", log.Fields{"error": err, "logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1102 | return err |
| 1103 | } else { |
| 1104 | //TODO: Find a better way to refresh only missing routes |
| 1105 | agent.deviceGraph.ComputeRoutes(lDevice.Ports) |
| 1106 | } |
| 1107 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
| 1108 | for deviceId := range deviceNodeIds { |
| 1109 | if deviceId == agent.rootDeviceId { |
| 1110 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1111 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1112 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1113 | agent.DefaultFlowRules = rules |
| 1114 | |
| 1115 | // Reset the default flows flag to ensure all default flows are sent to all devices, including the newly added |
| 1116 | // one when a flow request is received. |
| 1117 | agent.includeDefaultFlows = true |
| 1118 | agent.deviceGraph.Print() |
| 1119 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1120 | } |
| 1121 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1122 | //updateDeviceGraph updates the device graph if not done already and setup the default rules as well |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1123 | func (agent *LogicalDeviceAgent) updateDeviceGraph(lp *voltha.LogicalPort) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1124 | log.Debugf("updateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1125 | agent.lockLogicalDevice.Lock() |
| 1126 | defer agent.lockLogicalDevice.Unlock() |
| 1127 | rules := fu.NewDeviceRules() |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1128 | if agent.deviceGraph == nil { |
| 1129 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
| 1130 | } |
| 1131 | agent.deviceGraph.AddPort(lp) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1132 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
| 1133 | for deviceId := range deviceNodeIds { |
| 1134 | if deviceId == agent.rootDeviceId { |
| 1135 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1136 | } |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 1137 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1138 | agent.DefaultFlowRules = rules |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1139 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1140 | // Reset the default flows flag to ensure all default flows are sent to all devices, including the newly added |
| 1141 | // one when a flow request is received. |
| 1142 | agent.includeDefaultFlows = true |
| 1143 | agent.deviceGraph.Print() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1144 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1145 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1146 | //redoDeviceGraph regenerates the device graph upon port changes on a device graph |
| 1147 | //TODO: it may yield better performance to have separate deleteLogicalPort functions that would remove |
| 1148 | // all the routes/nodes related to the deleted logical port. |
| 1149 | func (agent *LogicalDeviceAgent) redoDeviceGraph() { |
| 1150 | log.Debugf("redoDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1151 | agent.lockLogicalDevice.Lock() |
| 1152 | defer agent.lockLogicalDevice.Unlock() |
| 1153 | // Get the latest logical device |
| 1154 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1155 | log.Errorw("logical-device-not-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1156 | } else { |
| 1157 | agent.deviceGraph.ComputeRoutes(ld.Ports) |
| 1158 | } |
| 1159 | } |
| 1160 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1161 | // portAdded is a callback invoked when a port is added to the logical device. |
| 1162 | // TODO: To use when POST_ADD is fixed. |
| 1163 | func (agent *LogicalDeviceAgent) portAdded(args ...interface{}) interface{} { |
| 1164 | log.Debugw("portAdded-callback", log.Fields{"argsLen": len(args)}) |
| 1165 | |
| 1166 | var port *voltha.LogicalPort |
| 1167 | |
| 1168 | // Sanity check |
| 1169 | if args[0] != nil { |
| 1170 | log.Warnw("previous-data-not-nil", log.Fields{"args0": args[0]}) |
| 1171 | } |
| 1172 | var ok bool |
| 1173 | if port, ok = args[1].(*voltha.LogicalPort); !ok { |
| 1174 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1175 | return nil |
| 1176 | } |
| 1177 | |
| 1178 | // Set the proxy and callback for that port |
| 1179 | agent.portProxiesLock.Lock() |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 1180 | agent.portProxies[port.Id] = agent.clusterDataProxy.CreateProxy( |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1181 | fmt.Sprintf("/logical_devices/%s/ports/%s", agent.logicalDeviceId, port.Id), |
| 1182 | false) |
| 1183 | agent.portProxies[port.Id].RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1184 | agent.portProxiesLock.Unlock() |
| 1185 | |
| 1186 | // Send the port change event to the OF controller |
| 1187 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1188 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1189 | |
| 1190 | return nil |
| 1191 | } |
| 1192 | |
| 1193 | // portRemoved is a callback invoked when a port is removed from the logical device. |
| 1194 | // TODO: To use when POST_ADD is fixed. |
| 1195 | func (agent *LogicalDeviceAgent) portRemoved(args ...interface{}) interface{} { |
| 1196 | log.Debugw("portRemoved-callback", log.Fields{"argsLen": len(args)}) |
| 1197 | |
| 1198 | var port *voltha.LogicalPort |
| 1199 | |
| 1200 | // Sanity check |
| 1201 | if args[1] != nil { |
| 1202 | log.Warnw("data-not-nil", log.Fields{"args1": args[1]}) |
| 1203 | } |
| 1204 | var ok bool |
| 1205 | if port, ok = args[0].(*voltha.LogicalPort); !ok { |
| 1206 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1207 | return nil |
| 1208 | } |
| 1209 | |
| 1210 | // Remove the proxy and callback for that port |
| 1211 | agent.portProxiesLock.Lock() |
| 1212 | agent.portProxies[port.Id].UnregisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1213 | delete(agent.portProxies, port.Id) |
| 1214 | agent.portProxiesLock.Unlock() |
| 1215 | |
| 1216 | // Send the port change event to the OF controller |
| 1217 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1218 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1219 | |
| 1220 | return nil |
| 1221 | } |
| 1222 | |
| 1223 | // diff go over two lists of logical ports and return what's new, what's changed and what's removed. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1224 | func diff(oldList, newList []*voltha.LogicalPort) (newPorts, changedPorts, deletedPorts []*voltha.LogicalPort) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1225 | newPorts = make([]*voltha.LogicalPort, 0) |
| 1226 | changedPorts = make([]*voltha.LogicalPort, 0) |
| 1227 | deletedPorts = make([]*voltha.LogicalPort, 0) |
| 1228 | for _, o := range oldList { |
| 1229 | found := false |
| 1230 | changed := false |
| 1231 | for _, n := range newList { |
| 1232 | if o.Id == n.Id { |
| 1233 | changed = !reflect.DeepEqual(o, n) |
| 1234 | found = true |
| 1235 | break |
| 1236 | } |
| 1237 | } |
| 1238 | if !found { |
| 1239 | deletedPorts = append(deletedPorts, o) |
| 1240 | } |
| 1241 | if changed { |
| 1242 | changedPorts = append(changedPorts, o) |
| 1243 | } |
| 1244 | } |
| 1245 | for _, n := range newList { |
| 1246 | found := false |
| 1247 | for _, o := range oldList { |
| 1248 | if o.Id == n.Id { |
| 1249 | found = true |
| 1250 | break |
| 1251 | } |
| 1252 | } |
| 1253 | if !found { |
| 1254 | newPorts = append(newPorts, n) |
| 1255 | } |
| 1256 | } |
| 1257 | return |
| 1258 | } |
| 1259 | |
| 1260 | // portUpdated is invoked when a port is updated on the logical device. Until |
| 1261 | // the POST_ADD notification is fixed, we will use the logical device to |
| 1262 | // update that data. |
| 1263 | func (agent *LogicalDeviceAgent) portUpdated(args ...interface{}) interface{} { |
| 1264 | log.Debugw("portUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 1265 | |
| 1266 | var oldLD *voltha.LogicalDevice |
| 1267 | var newlD *voltha.LogicalDevice |
| 1268 | |
| 1269 | var ok bool |
| 1270 | if oldLD, ok = args[0].(*voltha.LogicalDevice); !ok { |
| 1271 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1272 | return nil |
| 1273 | } |
| 1274 | if newlD, ok = args[1].(*voltha.LogicalDevice); !ok { |
| 1275 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1276 | return nil |
| 1277 | } |
| 1278 | |
| 1279 | if reflect.DeepEqual(oldLD.Ports, newlD.Ports) { |
| 1280 | log.Debug("ports-have-not-changed") |
| 1281 | return nil |
| 1282 | } |
| 1283 | |
| 1284 | // Get the difference between the two list |
| 1285 | newPorts, changedPorts, deletedPorts := diff(oldLD.Ports, newlD.Ports) |
| 1286 | |
| 1287 | // Send the port change events to the OF controller |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1288 | for _, newP := range newPorts { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1289 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1290 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: newP.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1291 | } |
| 1292 | for _, change := range changedPorts { |
| 1293 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1294 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_MODIFY, Desc: change.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1295 | } |
| 1296 | for _, del := range deletedPorts { |
| 1297 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1298 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: del.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1299 | } |
| 1300 | |
| 1301 | return nil |
| 1302 | } |
| 1303 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1304 | // addNNILogicalPort adds an NNI port to the logical device. It returns a bool representing whether a port has been |
| 1305 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1306 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1307 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1308 | func (agent *LogicalDeviceAgent) addNNILogicalPort(device *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1309 | log.Debugw("addNNILogicalPort", log.Fields{"NNI": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1310 | if device.AdminState != voltha.AdminState_ENABLED || device.OperStatus != voltha.OperStatus_ACTIVE { |
| 1311 | log.Infow("device-not-ready", log.Fields{"deviceId": device.Id, "admin": device.AdminState, "oper": device.OperStatus}) |
| 1312 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1313 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1314 | agent.lockLogicalDevice.RLock() |
| 1315 | if agent.portExist(device, port) { |
| 1316 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1317 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1318 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1319 | } |
| 1320 | agent.lockLogicalDevice.RUnlock() |
| 1321 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1322 | var portCap *ic.PortCapability |
| 1323 | var err error |
| 1324 | // First get the port capability |
| 1325 | if portCap, err = agent.deviceMgr.getPortCapability(nil, device.Id, port.PortNo); err != nil { |
| 1326 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1327 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1328 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1329 | |
| 1330 | agent.lockLogicalDevice.Lock() |
| 1331 | defer agent.lockLogicalDevice.Unlock() |
| 1332 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1333 | if agent.portExist(device, port) { |
| 1334 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1335 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1336 | } |
| 1337 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1338 | portCap.Port.RootPort = true |
| 1339 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1340 | lp.DeviceId = device.Id |
| 1341 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 1342 | lp.OfpPort.PortNo = port.PortNo |
| 1343 | lp.OfpPort.Name = lp.Id |
| 1344 | lp.DevicePortNo = port.PortNo |
| 1345 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1346 | var ld *voltha.LogicalDevice |
| 1347 | if ld, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1348 | log.Errorw("error-retrieving-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1349 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1350 | } |
| 1351 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 1352 | if cloned.Ports == nil { |
| 1353 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1354 | } |
| 1355 | cloned.Ports = append(cloned.Ports, lp) |
| 1356 | |
| 1357 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1358 | log.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1359 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1360 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1361 | |
| 1362 | // Update the device graph with this new logical port |
| 1363 | clonedLP := (proto.Clone(lp)).(*voltha.LogicalPort) |
| 1364 | go agent.updateDeviceGraph(clonedLP) |
| 1365 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1366 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1367 | } |
| 1368 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1369 | func (agent *LogicalDeviceAgent) portExist(device *voltha.Device, port *voltha.Port) bool { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1370 | if ldevice, _ := agent.getLogicalDeviceWithoutLock(); ldevice != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1371 | for _, lPort := range ldevice.Ports { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1372 | if lPort.DeviceId == device.Id && lPort.DevicePortNo == port.PortNo && lPort.Id == port.Label { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1373 | return true |
| 1374 | } |
| 1375 | } |
| 1376 | } |
| 1377 | return false |
| 1378 | } |
| 1379 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1380 | // addUNILogicalPort adds an UNI port to the logical device. It returns a bool representing whether a port has been |
| 1381 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1382 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1383 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1384 | func (agent *LogicalDeviceAgent) addUNILogicalPort(childDevice *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1385 | log.Debugw("addUNILogicalPort", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1386 | if childDevice.AdminState != voltha.AdminState_ENABLED || childDevice.OperStatus != voltha.OperStatus_ACTIVE { |
| 1387 | log.Infow("device-not-ready", log.Fields{"deviceId": childDevice.Id, "admin": childDevice.AdminState, "oper": childDevice.OperStatus}) |
| 1388 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1389 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1390 | agent.lockLogicalDevice.RLock() |
| 1391 | if agent.portExist(childDevice, port) { |
| 1392 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1393 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1394 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1395 | } |
| 1396 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1397 | var portCap *ic.PortCapability |
| 1398 | var err error |
| 1399 | // First get the port capability |
| 1400 | if portCap, err = agent.deviceMgr.getPortCapability(nil, childDevice.Id, port.PortNo); err != nil { |
| 1401 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1402 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1403 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1404 | agent.lockLogicalDevice.Lock() |
| 1405 | defer agent.lockLogicalDevice.Unlock() |
| 1406 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1407 | if agent.portExist(childDevice, port) { |
| 1408 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1409 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1410 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1411 | // Get stored logical device |
| 1412 | if ldevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1413 | return false, status.Error(codes.NotFound, agent.logicalDeviceId) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1414 | } else { |
| 1415 | log.Debugw("adding-uni", log.Fields{"deviceId": childDevice.Id}) |
| 1416 | portCap.Port.RootPort = false |
Matt Jeanneret | 3815e32 | 2019-03-12 19:15:49 -0400 | [diff] [blame] | 1417 | portCap.Port.Id = port.Label |
| 1418 | portCap.Port.OfpPort.PortNo = port.PortNo |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1419 | portCap.Port.DeviceId = childDevice.Id |
| 1420 | portCap.Port.DevicePortNo = port.PortNo |
| 1421 | cloned := (proto.Clone(ldevice)).(*voltha.LogicalDevice) |
| 1422 | if cloned.Ports == nil { |
| 1423 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1424 | } |
| 1425 | cloned.Ports = append(cloned.Ports, portCap.Port) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1426 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1427 | return false, err |
| 1428 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1429 | // Update the device graph with this new logical port |
| 1430 | clonedLP := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1431 | go agent.updateDeviceGraph(clonedLP) |
| 1432 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1433 | } |
| 1434 | } |
| 1435 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1436 | func (agent *LogicalDeviceAgent) packetOut(packet *ofp.OfpPacketOut) { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1437 | log.Debugw("packet-out", log.Fields{"packet": packet.GetInPort()}) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1438 | outPort := fu.GetPacketOutPort(packet) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1439 | //frame := packet.GetData() |
| 1440 | //TODO: Use a channel between the logical agent and the device agent |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1441 | if err := agent.deviceMgr.packetOut(agent.rootDeviceId, outPort, packet); err != nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1442 | log.Error("packetout-failed", log.Fields{"logicalDeviceID": agent.rootDeviceId}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1443 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1444 | } |
| 1445 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1446 | func (agent *LogicalDeviceAgent) packetIn(port uint32, transactionId string, packet []byte) { |
| 1447 | log.Debugw("packet-in", log.Fields{"port": port, "packet": packet, "transactionId": transactionId}) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1448 | packetIn := fu.MkPacketIn(port, packet) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1449 | agent.ldeviceMgr.grpcNbiHdlr.sendPacketIn(agent.logicalDeviceId, transactionId, packetIn) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1450 | log.Debugw("sending-packet-in", log.Fields{"packet-in": packetIn}) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1451 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1452 | |
| 1453 | func (agent *LogicalDeviceAgent) addLogicalPortToMap(portNo uint32, nniPort bool) { |
| 1454 | agent.lockLogicalPortsNo.Lock() |
| 1455 | defer agent.lockLogicalPortsNo.Unlock() |
| 1456 | if exist := agent.logicalPortsNo[portNo]; !exist { |
| 1457 | agent.logicalPortsNo[portNo] = nniPort |
| 1458 | } |
| 1459 | } |
| 1460 | |
| 1461 | func (agent *LogicalDeviceAgent) deleteLogicalPortFromMap(portNo uint32) { |
| 1462 | agent.lockLogicalPortsNo.Lock() |
| 1463 | defer agent.lockLogicalPortsNo.Unlock() |
| 1464 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1465 | delete(agent.logicalPortsNo, portNo) |
| 1466 | } |
| 1467 | } |
| 1468 | |
| 1469 | func (agent *LogicalDeviceAgent) isNNIPort(portNo uint32) bool { |
| 1470 | agent.lockLogicalPortsNo.RLock() |
| 1471 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1472 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1473 | return agent.logicalPortsNo[portNo] |
| 1474 | } |
| 1475 | return false |
| 1476 | } |
| 1477 | |
| 1478 | func (agent *LogicalDeviceAgent) getFirstNNIPort() (uint32, error) { |
| 1479 | agent.lockLogicalPortsNo.RLock() |
| 1480 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1481 | for portNo, nni := range agent.logicalPortsNo { |
| 1482 | if nni { |
| 1483 | return portNo, nil |
| 1484 | } |
| 1485 | } |
| 1486 | return 0, status.Error(codes.NotFound, "No NNI port found") |
| 1487 | } |