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 | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 316 | // setupUNILogicalPorts creates a UNI port on the logical device that represents a child UNI interface |
| 317 | func (agent *LogicalDeviceAgent) setupUNILogicalPorts(ctx context.Context, childDevice *voltha.Device) error { |
| 318 | log.Infow("setupUNILogicalPort-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 319 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 320 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 321 | |
| 322 | //Get UNI port number |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 323 | for _, port := range childDevice.Ports { |
| 324 | if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 325 | if _, err = agent.addUNILogicalPort(childDevice, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 326 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 327 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 328 | agent.addLogicalPortToMap(port.PortNo, false) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 329 | } |
| 330 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 331 | return err |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 335 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(logicalDevice *voltha.LogicalDevice) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 336 | afterUpdate := agent.clusterDataProxy.Update("/logical_devices/"+agent.logicalDeviceId, logicalDevice, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 337 | if afterUpdate == nil { |
| 338 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceId) |
| 339 | } |
| 340 | return nil |
| 341 | } |
| 342 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 343 | //updateFlowTable updates the flow table of that logical device |
| 344 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
| 345 | log.Debug("updateFlowTable") |
| 346 | if flow == nil { |
| 347 | return nil |
| 348 | } |
| 349 | switch flow.GetCommand() { |
| 350 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
| 351 | return agent.flowAdd(flow) |
| 352 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
| 353 | return agent.flowDelete(flow) |
| 354 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
| 355 | return agent.flowDeleteStrict(flow) |
| 356 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 357 | return agent.flowModify(flow) |
| 358 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 359 | return agent.flowModifyStrict(flow) |
| 360 | } |
| 361 | return status.Errorf(codes.Internal, |
| 362 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, flow.GetCommand()) |
| 363 | } |
| 364 | |
| 365 | //updateGroupTable updates the group table of that logical device |
| 366 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
| 367 | log.Debug("updateGroupTable") |
| 368 | if groupMod == nil { |
| 369 | return nil |
| 370 | } |
| 371 | switch groupMod.GetCommand() { |
| 372 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
| 373 | return agent.groupAdd(groupMod) |
| 374 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
| 375 | return agent.groupDelete(groupMod) |
| 376 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
| 377 | return agent.groupModify(groupMod) |
| 378 | } |
| 379 | return status.Errorf(codes.Internal, |
| 380 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, groupMod.GetCommand()) |
| 381 | } |
| 382 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 383 | //flowAdd adds a flow to the flow table of that logical device |
| 384 | func (agent *LogicalDeviceAgent) flowAdd(mod *ofp.OfpFlowMod) error { |
| 385 | log.Debug("flowAdd") |
| 386 | if mod == nil { |
| 387 | return nil |
| 388 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 389 | agent.lockLogicalDevice.Lock() |
| 390 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 391 | |
| 392 | var lDevice *voltha.LogicalDevice |
| 393 | var err error |
| 394 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 395 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 396 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 397 | } |
| 398 | |
| 399 | var flows []*ofp.OfpFlowStats |
| 400 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 401 | flows = lDevice.Flows.Items |
| 402 | } |
| 403 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 404 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 405 | //oldData := proto.Clone(lDevice.Flows).(*voltha.Flows) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 406 | changed := false |
| 407 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 408 | if checkOverlap { |
| 409 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 410 | // TODO: should this error be notified other than being logged? |
| 411 | log.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 412 | } else { |
| 413 | // Add flow |
| 414 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 415 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 416 | updatedFlows = append(updatedFlows, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 417 | changed = true |
| 418 | } |
| 419 | } else { |
| 420 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 421 | idx := fu.FindFlows(flows, flow) |
| 422 | if idx >= 0 { |
| 423 | oldFlow := flows[idx] |
| 424 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 425 | flow.ByteCount = oldFlow.ByteCount |
| 426 | flow.PacketCount = oldFlow.PacketCount |
| 427 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 428 | if !reflect.DeepEqual(oldFlow, flow) { |
| 429 | flows[idx] = flow |
| 430 | updatedFlows = append(updatedFlows, flow) |
| 431 | changed = true |
| 432 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 433 | } else { |
| 434 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 435 | updatedFlows = append(updatedFlows, flow) |
| 436 | changed = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 437 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 438 | } |
| 439 | if changed { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 440 | // Launch a routine to decompose the flows |
| 441 | if err := agent.decomposeAndSendFlows(&ofp.Flows{Items: updatedFlows}, lDevice.FlowGroups, agent.includeDefaultFlows); err != nil { |
| 442 | log.Errorf("decomposing-and-sending-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 443 | return err |
| 444 | } |
| 445 | |
| 446 | // We no longer need to sent the default flows, unless there is a change in device topology |
| 447 | agent.includeDefaultFlows = false |
| 448 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 449 | // Update model |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 450 | flowsToUpdate := &ofp.Flows{} |
| 451 | if lDevice.Flows != nil { |
| 452 | flowsToUpdate = &ofp.Flows{Items: flows} |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 453 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 454 | if err := agent.updateLogicalDeviceFlowsWithoutLock(flowsToUpdate); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 455 | log.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 456 | return err |
| 457 | } |
| 458 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 459 | return nil |
| 460 | } |
| 461 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 462 | func (agent *LogicalDeviceAgent) decomposeAndSendFlows(flows *ofp.Flows, groups *ofp.FlowGroups, includeDefaultFlows bool) error { |
| 463 | log.Debugw("decomposeAndSendFlows", log.Fields{"logicalDeviceID": agent.logicalDeviceId}) |
| 464 | |
| 465 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *flows, *groups, includeDefaultFlows) |
| 466 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 467 | |
| 468 | chnlsList := make([]chan interface{}, 0) |
| 469 | for deviceId, value := range deviceRules.GetRules() { |
| 470 | ch := make(chan interface{}) |
| 471 | chnlsList = append(chnlsList, ch) |
| 472 | go func(deviceId string, flows []*ofp.OfpFlowStats, groups []*ofp.OfpGroupEntry) { |
| 473 | if err := agent.deviceMgr.addFlowsAndGroups(deviceId, flows, groups); err != nil { |
| 474 | log.Error("flow-update-failed", log.Fields{"deviceID": deviceId}) |
| 475 | ch <- status.Errorf(codes.Internal, "flow-update-failed: %s", deviceId) |
| 476 | } |
| 477 | ch <- nil |
| 478 | }(deviceId, value.ListFlows(), value.ListGroups()) |
| 479 | } |
| 480 | // Wait for completion |
| 481 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 482 | return status.Errorf(codes.Aborted, "errors-%s", res) |
| 483 | } |
| 484 | return nil |
| 485 | } |
| 486 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 487 | //flowDelete deletes a flow from the flow table of that logical device |
| 488 | func (agent *LogicalDeviceAgent) flowDelete(mod *ofp.OfpFlowMod) error { |
| 489 | log.Debug("flowDelete") |
| 490 | if mod == nil { |
| 491 | return nil |
| 492 | } |
| 493 | agent.lockLogicalDevice.Lock() |
| 494 | defer agent.lockLogicalDevice.Unlock() |
| 495 | |
| 496 | var lDevice *voltha.LogicalDevice |
| 497 | var err error |
| 498 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 499 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 500 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 501 | } |
| 502 | flows := lDevice.Flows.Items |
| 503 | |
| 504 | //build a list of what to keep vs what to delete |
| 505 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 506 | for _, f := range flows { |
| 507 | if !fu.FlowMatchesMod(f, mod) { |
| 508 | toKeep = append(toKeep, f) |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | //Update flows |
| 513 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 514 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
| 515 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 516 | return err |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | //TODO: send announcement on delete |
| 521 | return nil |
| 522 | } |
| 523 | |
| 524 | //flowStatsDelete deletes a flow from the flow table of that logical device |
| 525 | func (agent *LogicalDeviceAgent) flowStatsDelete(flow *ofp.OfpFlowStats) error { |
| 526 | log.Debug("flowStatsDelete") |
| 527 | if flow == nil { |
| 528 | return nil |
| 529 | } |
| 530 | agent.lockLogicalDevice.Lock() |
| 531 | defer agent.lockLogicalDevice.Unlock() |
| 532 | |
| 533 | var lDevice *voltha.LogicalDevice |
| 534 | var err error |
| 535 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 536 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 537 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 538 | } |
| 539 | flows := lDevice.Flows.Items |
| 540 | |
| 541 | //build a list of what to keep vs what to delete |
| 542 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 543 | for _, f := range flows { |
| 544 | if !fu.FlowMatch(f, flow) { |
| 545 | toKeep = append(toKeep, f) |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | //Update flows |
| 550 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 551 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 552 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 553 | return err |
| 554 | } |
| 555 | } |
| 556 | return nil |
| 557 | } |
| 558 | |
| 559 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
| 560 | func (agent *LogicalDeviceAgent) flowDeleteStrict(mod *ofp.OfpFlowMod) error { |
| 561 | log.Debug("flowDeleteStrict") |
| 562 | if mod == nil { |
| 563 | return nil |
| 564 | } |
| 565 | agent.lockLogicalDevice.Lock() |
| 566 | defer agent.lockLogicalDevice.Unlock() |
| 567 | |
| 568 | var lDevice *voltha.LogicalDevice |
| 569 | var err error |
| 570 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 571 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 572 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 573 | } |
| 574 | flows := lDevice.Flows.Items |
| 575 | changed := false |
| 576 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 577 | idx := fu.FindFlows(flows, flow) |
| 578 | if idx >= 0 { |
| 579 | flows = append(flows[:idx], flows[idx+1:]...) |
| 580 | changed = true |
| 581 | } else { |
| 582 | return errors.New(fmt.Sprintf("Cannot delete flow - %s", flow)) |
| 583 | } |
| 584 | |
| 585 | if changed { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 586 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 587 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 588 | return err |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | return nil |
| 593 | } |
| 594 | |
| 595 | //flowModify modifies a flow from the flow table of that logical device |
| 596 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 597 | return errors.New("flowModify not implemented") |
| 598 | } |
| 599 | |
| 600 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 601 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 602 | return errors.New("flowModifyStrict not implemented") |
| 603 | } |
| 604 | |
| 605 | func (agent *LogicalDeviceAgent) groupAdd(groupMod *ofp.OfpGroupMod) error { |
| 606 | log.Debug("groupAdd") |
| 607 | if groupMod == nil { |
| 608 | return nil |
| 609 | } |
| 610 | agent.lockLogicalDevice.Lock() |
| 611 | defer agent.lockLogicalDevice.Unlock() |
| 612 | |
| 613 | var lDevice *voltha.LogicalDevice |
| 614 | var err error |
| 615 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 616 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 617 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 618 | } |
| 619 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 620 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
| 621 | groups = append(groups, fd.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 622 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 623 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 624 | return err |
| 625 | } |
| 626 | } else { |
| 627 | return errors.New(fmt.Sprintf("Groups %d already present", groupMod.GroupId)) |
| 628 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 629 | return nil |
| 630 | } |
| 631 | |
| 632 | func (agent *LogicalDeviceAgent) groupDelete(groupMod *ofp.OfpGroupMod) error { |
| 633 | log.Debug("groupDelete") |
| 634 | if groupMod == nil { |
| 635 | return nil |
| 636 | } |
| 637 | agent.lockLogicalDevice.Lock() |
| 638 | defer agent.lockLogicalDevice.Unlock() |
| 639 | |
| 640 | var lDevice *voltha.LogicalDevice |
| 641 | var err error |
| 642 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 643 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 644 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 645 | } |
| 646 | groups := lDevice.FlowGroups.Items |
| 647 | flows := lDevice.Flows.Items |
| 648 | groupsChanged := false |
| 649 | flowsChanged := false |
| 650 | groupId := groupMod.GroupId |
| 651 | if groupId == uint32(ofp.OfpGroup_OFPG_ALL) { |
| 652 | //TODO we must delete all flows that point to this group and |
| 653 | //signal controller as requested by flow's flag |
| 654 | groups = []*ofp.OfpGroupEntry{} |
| 655 | groupsChanged = true |
| 656 | } else { |
| 657 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
| 658 | return nil // Valid case |
| 659 | } else { |
| 660 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupId) |
| 661 | groups = append(groups[:idx], groups[idx+1:]...) |
| 662 | groupsChanged = true |
| 663 | } |
| 664 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 665 | if groupsChanged { |
| 666 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 667 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 668 | return err |
| 669 | } |
| 670 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 671 | if flowsChanged { |
| 672 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
| 673 | log.Errorw("Cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 674 | return err |
| 675 | } |
| 676 | } |
| 677 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 678 | return nil |
| 679 | } |
| 680 | |
| 681 | func (agent *LogicalDeviceAgent) groupModify(groupMod *ofp.OfpGroupMod) error { |
| 682 | log.Debug("groupModify") |
| 683 | if groupMod == nil { |
| 684 | return nil |
| 685 | } |
| 686 | agent.lockLogicalDevice.Lock() |
| 687 | defer agent.lockLogicalDevice.Unlock() |
| 688 | |
| 689 | var lDevice *voltha.LogicalDevice |
| 690 | var err error |
| 691 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 692 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 693 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 694 | } |
| 695 | groups := lDevice.FlowGroups.Items |
| 696 | groupsChanged := false |
| 697 | groupId := groupMod.GroupId |
| 698 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 699 | return errors.New(fmt.Sprintf("group-absent:%d", groupId)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 700 | } else { |
| 701 | //replace existing group entry with new group definition |
| 702 | groupEntry := fd.GroupEntryFromGroupMod(groupMod) |
| 703 | groups[idx] = groupEntry |
| 704 | groupsChanged = true |
| 705 | } |
| 706 | if groupsChanged { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 707 | //lDevice.FlowGroups.Items = groups |
| 708 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 709 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 710 | return err |
| 711 | } |
| 712 | } |
| 713 | return nil |
| 714 | } |
| 715 | |
| 716 | // deleteLogicalPort removes the logical port |
| 717 | func (agent *LogicalDeviceAgent) deleteLogicalPort(lPort *voltha.LogicalPort) error { |
| 718 | agent.lockLogicalDevice.Lock() |
| 719 | defer agent.lockLogicalDevice.Unlock() |
| 720 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 721 | // Get the most up to date logical device |
| 722 | var logicaldevice *voltha.LogicalDevice |
| 723 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 724 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 725 | return nil |
| 726 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 727 | index := -1 |
| 728 | for i, logicalPort := range logicaldevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 729 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 730 | index = i |
| 731 | break |
| 732 | } |
| 733 | } |
| 734 | if index >= 0 { |
| 735 | copy(logicaldevice.Ports[index:], logicaldevice.Ports[index+1:]) |
| 736 | logicaldevice.Ports[len(logicaldevice.Ports)-1] = nil |
| 737 | logicaldevice.Ports = logicaldevice.Ports[:len(logicaldevice.Ports)-1] |
| 738 | log.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 739 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 740 | } |
| 741 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 742 | } |
| 743 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 744 | // enableLogicalPort enables the logical port |
| 745 | func (agent *LogicalDeviceAgent) enableLogicalPort(lPort *voltha.LogicalPort) error { |
| 746 | agent.lockLogicalDevice.Lock() |
| 747 | defer agent.lockLogicalDevice.Unlock() |
| 748 | |
| 749 | // Get the most up to date logical device |
| 750 | var logicaldevice *voltha.LogicalDevice |
| 751 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 752 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 753 | return nil |
| 754 | } |
| 755 | index := -1 |
| 756 | for i, logicalPort := range logicaldevice.Ports { |
| 757 | if logicalPort.Id == lPort.Id { |
| 758 | index = i |
| 759 | break |
| 760 | } |
| 761 | } |
| 762 | if index >= 0 { |
| 763 | logicaldevice.Ports[index].OfpPort.Config = logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 764 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 765 | } |
| 766 | //TODO: Trigger subsequent actions on the device |
| 767 | return nil |
| 768 | } |
| 769 | |
| 770 | // disableLogicalPort disabled the logical port |
| 771 | func (agent *LogicalDeviceAgent) disableLogicalPort(lPort *voltha.LogicalPort) error { |
| 772 | agent.lockLogicalDevice.Lock() |
| 773 | defer agent.lockLogicalDevice.Unlock() |
| 774 | |
| 775 | // Get the most up to date logical device |
| 776 | var logicaldevice *voltha.LogicalDevice |
| 777 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 778 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 779 | return nil |
| 780 | } |
| 781 | index := -1 |
| 782 | for i, logicalPort := range logicaldevice.Ports { |
| 783 | if logicalPort.Id == lPort.Id { |
| 784 | index = i |
| 785 | break |
| 786 | } |
| 787 | } |
| 788 | if index >= 0 { |
| 789 | logicaldevice.Ports[index].OfpPort.Config = (logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 790 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 791 | } |
| 792 | //TODO: Trigger subsequent actions on the device |
| 793 | return nil |
| 794 | } |
| 795 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 796 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) []graph.RouteHop { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 797 | log.Debugw("ROUTE", log.Fields{"len": len(agent.deviceGraph.Routes)}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 798 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 799 | log.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 800 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
| 801 | return route |
| 802 | } |
| 803 | } |
| 804 | log.Warnw("no-route", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "ingress": ingress, "egress": egress}) |
| 805 | return nil |
| 806 | } |
| 807 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 808 | func (agent *LogicalDeviceAgent) GetRoute(ingressPortNo uint32, egressPortNo uint32) []graph.RouteHop { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 809 | log.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 810 | routes := make([]graph.RouteHop, 0) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 811 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 812 | // Note: A port value of 0 is equivalent to a nil port |
| 813 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 814 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 815 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 816 | log.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
| 817 | if agent.isNNIPort(ingressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 818 | log.Debug("returning-half-route") |
| 819 | //This is a trap on the NNI Port |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 820 | if len(agent.deviceGraph.Routes) == 0 { |
| 821 | // If there are no routes set (usually when the logical device has only NNI port(s), then just return an |
| 822 | // internal route |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 823 | hop := graph.RouteHop{DeviceID: agent.rootDeviceId, Ingress: ingressPortNo, Egress: egressPortNo} |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 824 | routes = append(routes, hop) |
| 825 | routes = append(routes, hop) |
| 826 | return routes |
| 827 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 828 | //Return a 'half' route to make the flow decomposer logic happy |
| 829 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 830 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 831 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 832 | routes = append(routes, route[1]) |
| 833 | return routes |
| 834 | } |
| 835 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 836 | 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] | 837 | return nil |
| 838 | } |
| 839 | //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^] | 840 | var err error |
| 841 | if egressPortNo, err = agent.getFirstNNIPort(); err != nil { |
| 842 | log.Warnw("no-nni-port", log.Fields{"error": err}) |
| 843 | return nil |
| 844 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 845 | } |
| 846 | //If ingress port is not specified (nil), it may be a wildcarded |
| 847 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 848 | //in which case we need to create a half-route where only the egress |
| 849 | //hop is filled, the first hop is nil |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 850 | if ingressPortNo == 0 && agent.isNNIPort(egressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 851 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
| 852 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 853 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 854 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 855 | routes = append(routes, route[1]) |
| 856 | return routes |
| 857 | } |
| 858 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 859 | 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] | 860 | return nil |
| 861 | } |
| 862 | //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] | 863 | if egressPortNo == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 864 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 865 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 866 | routes = append(routes, route[0]) |
| 867 | routes = append(routes, graph.RouteHop{}) |
| 868 | return routes |
| 869 | } |
| 870 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 871 | 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] | 872 | return nil |
| 873 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 874 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 875 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 876 | } |
| 877 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 878 | func (agent *LogicalDeviceAgent) rootDeviceDefaultRules() *fu.FlowsAndGroups { |
| 879 | return fu.NewFlowsAndGroups() |
| 880 | } |
| 881 | |
| 882 | func (agent *LogicalDeviceAgent) leafDeviceDefaultRules(deviceId string) *fu.FlowsAndGroups { |
| 883 | fg := fu.NewFlowsAndGroups() |
| 884 | var device *voltha.Device |
| 885 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 886 | if device, err = agent.deviceMgr.GetDevice(deviceId); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 887 | return fg |
| 888 | } |
| 889 | //set the upstream and downstream ports |
| 890 | upstreamPorts := make([]*voltha.Port, 0) |
| 891 | downstreamPorts := make([]*voltha.Port, 0) |
| 892 | for _, port := range device.Ports { |
| 893 | if port.Type == voltha.Port_PON_ONU || port.Type == voltha.Port_VENET_ONU { |
| 894 | upstreamPorts = append(upstreamPorts, port) |
| 895 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 896 | downstreamPorts = append(downstreamPorts, port) |
| 897 | } |
| 898 | } |
| 899 | //it is possible that the downstream ports are not created, but the flow_decomposition has already |
| 900 | //kicked in. In such scenarios, cut short the processing and return. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 901 | if len(downstreamPorts) == 0 || len(upstreamPorts) == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 902 | return fg |
| 903 | } |
| 904 | // set up the default flows |
| 905 | var fa *fu.FlowArgs |
| 906 | fa = &fu.FlowArgs{ |
| 907 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 908 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 909 | fd.InPort(downstreamPorts[0].PortNo), |
| 910 | fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0), |
| 911 | }, |
| 912 | Actions: []*ofp.OfpAction{ |
| 913 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 914 | fd.Output(upstreamPorts[0].PortNo), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 915 | }, |
| 916 | } |
| 917 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 918 | |
| 919 | fa = &fu.FlowArgs{ |
| 920 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 921 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 922 | fd.InPort(downstreamPorts[0].PortNo), |
| 923 | fd.VlanVid(0), |
| 924 | }, |
| 925 | Actions: []*ofp.OfpAction{ |
| 926 | fd.PushVlan(0x8100), |
| 927 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
| 928 | fd.Output(upstreamPorts[0].PortNo), |
| 929 | }, |
| 930 | } |
| 931 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 932 | |
| 933 | fa = &fu.FlowArgs{ |
| 934 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 935 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 936 | fd.InPort(upstreamPorts[0].PortNo), |
| 937 | fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan), |
| 938 | }, |
| 939 | Actions: []*ofp.OfpAction{ |
| 940 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0)), |
| 941 | fd.Output(downstreamPorts[0].PortNo), |
| 942 | }, |
| 943 | } |
| 944 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 945 | |
| 946 | return fg |
| 947 | } |
| 948 | |
| 949 | func (agent *LogicalDeviceAgent) generateDefaultRules() *fu.DeviceRules { |
| 950 | rules := fu.NewDeviceRules() |
| 951 | var ld *voltha.LogicalDevice |
| 952 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 953 | if ld, err = agent.GetLogicalDevice(); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 954 | log.Warnw("no-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 955 | return rules |
| 956 | } |
| 957 | |
| 958 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 959 | for deviceId := range deviceNodeIds { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 960 | if deviceId == ld.RootDeviceId { |
| 961 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
| 962 | } else { |
| 963 | rules.AddFlowsAndGroup(deviceId, agent.leafDeviceDefaultRules(deviceId)) |
| 964 | } |
| 965 | } |
| 966 | return rules |
| 967 | } |
| 968 | |
| 969 | func (agent *LogicalDeviceAgent) GetAllDefaultRules() *fu.DeviceRules { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 970 | return agent.DefaultFlowRules |
| 971 | } |
| 972 | |
| 973 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 974 | lPorts := make([]uint32, 0) |
| 975 | var exclPort uint32 |
| 976 | if len(excludePort) == 1 { |
| 977 | exclPort = excludePort[0] |
| 978 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 979 | if lDevice, _ := agent.GetLogicalDevice(); lDevice != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 980 | for _, port := range lDevice.Ports { |
| 981 | if port.OfpPort.PortNo != exclPort { |
| 982 | lPorts = append(lPorts, port.OfpPort.PortNo) |
| 983 | } |
| 984 | } |
| 985 | } |
| 986 | return lPorts |
| 987 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 988 | |
| 989 | func (agent *LogicalDeviceAgent) GetDeviceGraph() *graph.DeviceGraph { |
| 990 | return agent.deviceGraph |
| 991 | } |
| 992 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 993 | //updateRoutes redo the device graph if not done already and setup the default rules as well |
| 994 | func (agent *LogicalDeviceAgent) updateRoutes(device *voltha.Device, port *voltha.Port) error { |
| 995 | log.Debugf("updateRoutes", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "device": device.Id, "port": port}) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 996 | agent.lockLogicalDevice.Lock() |
| 997 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 998 | rules := fu.NewDeviceRules() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 999 | if agent.deviceGraph == nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1000 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1001 | } |
| 1002 | // Get all the logical ports on that logical device |
| 1003 | if lDevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1004 | log.Errorf("unknown-logical-device", log.Fields{"error": err, "logicalDeviceId": agent.logicalDeviceId}) |
| 1005 | return err |
| 1006 | } else { |
| 1007 | //TODO: Find a better way to refresh only missing routes |
| 1008 | agent.deviceGraph.ComputeRoutes(lDevice.Ports) |
| 1009 | } |
| 1010 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
| 1011 | for deviceId := range deviceNodeIds { |
| 1012 | if deviceId == agent.rootDeviceId { |
| 1013 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
| 1014 | } else { |
| 1015 | rules.AddFlowsAndGroup(deviceId, agent.leafDeviceDefaultRules(deviceId)) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1016 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1017 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1018 | agent.DefaultFlowRules = rules |
| 1019 | |
| 1020 | // Reset the default flows flag to ensure all default flows are sent to all devices, including the newly added |
| 1021 | // one when a flow request is received. |
| 1022 | agent.includeDefaultFlows = true |
| 1023 | agent.deviceGraph.Print() |
| 1024 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1025 | } |
| 1026 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1027 | //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] | 1028 | func (agent *LogicalDeviceAgent) updateDeviceGraph(lp *voltha.LogicalPort) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1029 | log.Debugf("updateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1030 | agent.lockLogicalDevice.Lock() |
| 1031 | defer agent.lockLogicalDevice.Unlock() |
| 1032 | rules := fu.NewDeviceRules() |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1033 | if agent.deviceGraph == nil { |
| 1034 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
| 1035 | } |
| 1036 | agent.deviceGraph.AddPort(lp) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1037 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
| 1038 | for deviceId := range deviceNodeIds { |
| 1039 | if deviceId == agent.rootDeviceId { |
| 1040 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
| 1041 | } else { |
| 1042 | rules.AddFlowsAndGroup(deviceId, agent.leafDeviceDefaultRules(deviceId)) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1043 | } |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 1044 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1045 | agent.DefaultFlowRules = rules |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1046 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1047 | // Reset the default flows flag to ensure all default flows are sent to all devices, including the newly added |
| 1048 | // one when a flow request is received. |
| 1049 | agent.includeDefaultFlows = true |
| 1050 | agent.deviceGraph.Print() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1051 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1052 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1053 | // portAdded is a callback invoked when a port is added to the logical device. |
| 1054 | // TODO: To use when POST_ADD is fixed. |
| 1055 | func (agent *LogicalDeviceAgent) portAdded(args ...interface{}) interface{} { |
| 1056 | log.Debugw("portAdded-callback", log.Fields{"argsLen": len(args)}) |
| 1057 | |
| 1058 | var port *voltha.LogicalPort |
| 1059 | |
| 1060 | // Sanity check |
| 1061 | if args[0] != nil { |
| 1062 | log.Warnw("previous-data-not-nil", log.Fields{"args0": args[0]}) |
| 1063 | } |
| 1064 | var ok bool |
| 1065 | if port, ok = args[1].(*voltha.LogicalPort); !ok { |
| 1066 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1067 | return nil |
| 1068 | } |
| 1069 | |
| 1070 | // Set the proxy and callback for that port |
| 1071 | agent.portProxiesLock.Lock() |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 1072 | agent.portProxies[port.Id] = agent.clusterDataProxy.CreateProxy( |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1073 | fmt.Sprintf("/logical_devices/%s/ports/%s", agent.logicalDeviceId, port.Id), |
| 1074 | false) |
| 1075 | agent.portProxies[port.Id].RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1076 | agent.portProxiesLock.Unlock() |
| 1077 | |
| 1078 | // Send the port change event to the OF controller |
| 1079 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1080 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1081 | |
| 1082 | return nil |
| 1083 | } |
| 1084 | |
| 1085 | // portRemoved is a callback invoked when a port is removed from the logical device. |
| 1086 | // TODO: To use when POST_ADD is fixed. |
| 1087 | func (agent *LogicalDeviceAgent) portRemoved(args ...interface{}) interface{} { |
| 1088 | log.Debugw("portRemoved-callback", log.Fields{"argsLen": len(args)}) |
| 1089 | |
| 1090 | var port *voltha.LogicalPort |
| 1091 | |
| 1092 | // Sanity check |
| 1093 | if args[1] != nil { |
| 1094 | log.Warnw("data-not-nil", log.Fields{"args1": args[1]}) |
| 1095 | } |
| 1096 | var ok bool |
| 1097 | if port, ok = args[0].(*voltha.LogicalPort); !ok { |
| 1098 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1099 | return nil |
| 1100 | } |
| 1101 | |
| 1102 | // Remove the proxy and callback for that port |
| 1103 | agent.portProxiesLock.Lock() |
| 1104 | agent.portProxies[port.Id].UnregisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1105 | delete(agent.portProxies, port.Id) |
| 1106 | agent.portProxiesLock.Unlock() |
| 1107 | |
| 1108 | // Send the port change event to the OF controller |
| 1109 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1110 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1111 | |
| 1112 | return nil |
| 1113 | } |
| 1114 | |
| 1115 | // 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] | 1116 | func diff(oldList, newList []*voltha.LogicalPort) (newPorts, changedPorts, deletedPorts []*voltha.LogicalPort) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1117 | newPorts = make([]*voltha.LogicalPort, 0) |
| 1118 | changedPorts = make([]*voltha.LogicalPort, 0) |
| 1119 | deletedPorts = make([]*voltha.LogicalPort, 0) |
| 1120 | for _, o := range oldList { |
| 1121 | found := false |
| 1122 | changed := false |
| 1123 | for _, n := range newList { |
| 1124 | if o.Id == n.Id { |
| 1125 | changed = !reflect.DeepEqual(o, n) |
| 1126 | found = true |
| 1127 | break |
| 1128 | } |
| 1129 | } |
| 1130 | if !found { |
| 1131 | deletedPorts = append(deletedPorts, o) |
| 1132 | } |
| 1133 | if changed { |
| 1134 | changedPorts = append(changedPorts, o) |
| 1135 | } |
| 1136 | } |
| 1137 | for _, n := range newList { |
| 1138 | found := false |
| 1139 | for _, o := range oldList { |
| 1140 | if o.Id == n.Id { |
| 1141 | found = true |
| 1142 | break |
| 1143 | } |
| 1144 | } |
| 1145 | if !found { |
| 1146 | newPorts = append(newPorts, n) |
| 1147 | } |
| 1148 | } |
| 1149 | return |
| 1150 | } |
| 1151 | |
| 1152 | // portUpdated is invoked when a port is updated on the logical device. Until |
| 1153 | // the POST_ADD notification is fixed, we will use the logical device to |
| 1154 | // update that data. |
| 1155 | func (agent *LogicalDeviceAgent) portUpdated(args ...interface{}) interface{} { |
| 1156 | log.Debugw("portUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 1157 | |
| 1158 | var oldLD *voltha.LogicalDevice |
| 1159 | var newlD *voltha.LogicalDevice |
| 1160 | |
| 1161 | var ok bool |
| 1162 | if oldLD, ok = args[0].(*voltha.LogicalDevice); !ok { |
| 1163 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1164 | return nil |
| 1165 | } |
| 1166 | if newlD, ok = args[1].(*voltha.LogicalDevice); !ok { |
| 1167 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1168 | return nil |
| 1169 | } |
| 1170 | |
| 1171 | if reflect.DeepEqual(oldLD.Ports, newlD.Ports) { |
| 1172 | log.Debug("ports-have-not-changed") |
| 1173 | return nil |
| 1174 | } |
| 1175 | |
| 1176 | // Get the difference between the two list |
| 1177 | newPorts, changedPorts, deletedPorts := diff(oldLD.Ports, newlD.Ports) |
| 1178 | |
| 1179 | // Send the port change events to the OF controller |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1180 | for _, newP := range newPorts { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1181 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1182 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: newP.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1183 | } |
| 1184 | for _, change := range changedPorts { |
| 1185 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1186 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_MODIFY, Desc: change.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1187 | } |
| 1188 | for _, del := range deletedPorts { |
| 1189 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1190 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: del.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1191 | } |
| 1192 | |
| 1193 | return nil |
| 1194 | } |
| 1195 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1196 | // addNNILogicalPort adds an NNI port to the logical device. It returns a bool representing whether a port has been |
| 1197 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1198 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1199 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1200 | func (agent *LogicalDeviceAgent) addNNILogicalPort(device *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1201 | log.Debugw("addNNILogicalPort", log.Fields{"NNI": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1202 | if device.AdminState != voltha.AdminState_ENABLED || device.OperStatus != voltha.OperStatus_ACTIVE { |
| 1203 | log.Infow("device-not-ready", log.Fields{"deviceId": device.Id, "admin": device.AdminState, "oper": device.OperStatus}) |
| 1204 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1205 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1206 | agent.lockLogicalDevice.RLock() |
| 1207 | if agent.portExist(device, port) { |
| 1208 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1209 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1210 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1211 | } |
| 1212 | agent.lockLogicalDevice.RUnlock() |
| 1213 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1214 | var portCap *ic.PortCapability |
| 1215 | var err error |
| 1216 | // First get the port capability |
| 1217 | if portCap, err = agent.deviceMgr.getPortCapability(nil, device.Id, port.PortNo); err != nil { |
| 1218 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1219 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1220 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1221 | |
| 1222 | agent.lockLogicalDevice.Lock() |
| 1223 | defer agent.lockLogicalDevice.Unlock() |
| 1224 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1225 | if agent.portExist(device, port) { |
| 1226 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1227 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1228 | } |
| 1229 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1230 | portCap.Port.RootPort = true |
| 1231 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1232 | lp.DeviceId = device.Id |
| 1233 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 1234 | lp.OfpPort.PortNo = port.PortNo |
| 1235 | lp.OfpPort.Name = lp.Id |
| 1236 | lp.DevicePortNo = port.PortNo |
| 1237 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1238 | var ld *voltha.LogicalDevice |
| 1239 | if ld, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1240 | log.Errorw("error-retrieving-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1241 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1242 | } |
| 1243 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 1244 | if cloned.Ports == nil { |
| 1245 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1246 | } |
| 1247 | cloned.Ports = append(cloned.Ports, lp) |
| 1248 | |
| 1249 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1250 | log.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1251 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1252 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1253 | |
| 1254 | // Update the device graph with this new logical port |
| 1255 | clonedLP := (proto.Clone(lp)).(*voltha.LogicalPort) |
| 1256 | go agent.updateDeviceGraph(clonedLP) |
| 1257 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1258 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1259 | } |
| 1260 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1261 | func (agent *LogicalDeviceAgent) portExist(device *voltha.Device, port *voltha.Port) bool { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1262 | if ldevice, _ := agent.getLogicalDeviceWithoutLock(); ldevice != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1263 | for _, lPort := range ldevice.Ports { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1264 | if lPort.DeviceId == device.Id && lPort.DevicePortNo == port.PortNo && lPort.Id == port.Label { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1265 | return true |
| 1266 | } |
| 1267 | } |
| 1268 | } |
| 1269 | return false |
| 1270 | } |
| 1271 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1272 | // addUNILogicalPort adds an UNI port to the logical device. It returns a bool representing whether a port has been |
| 1273 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1274 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1275 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1276 | func (agent *LogicalDeviceAgent) addUNILogicalPort(childDevice *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1277 | log.Debugw("addUNILogicalPort", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1278 | if childDevice.AdminState != voltha.AdminState_ENABLED || childDevice.OperStatus != voltha.OperStatus_ACTIVE { |
| 1279 | log.Infow("device-not-ready", log.Fields{"deviceId": childDevice.Id, "admin": childDevice.AdminState, "oper": childDevice.OperStatus}) |
| 1280 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1281 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1282 | agent.lockLogicalDevice.RLock() |
| 1283 | if agent.portExist(childDevice, port) { |
| 1284 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1285 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1286 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1287 | } |
| 1288 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1289 | var portCap *ic.PortCapability |
| 1290 | var err error |
| 1291 | // First get the port capability |
| 1292 | if portCap, err = agent.deviceMgr.getPortCapability(nil, childDevice.Id, port.PortNo); err != nil { |
| 1293 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1294 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1295 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1296 | agent.lockLogicalDevice.Lock() |
| 1297 | defer agent.lockLogicalDevice.Unlock() |
| 1298 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1299 | if agent.portExist(childDevice, port) { |
| 1300 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1301 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1302 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1303 | // Get stored logical device |
| 1304 | if ldevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1305 | return false, status.Error(codes.NotFound, agent.logicalDeviceId) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1306 | } else { |
| 1307 | log.Debugw("adding-uni", log.Fields{"deviceId": childDevice.Id}) |
| 1308 | portCap.Port.RootPort = false |
Matt Jeanneret | 3815e32 | 2019-03-12 19:15:49 -0400 | [diff] [blame] | 1309 | portCap.Port.Id = port.Label |
| 1310 | portCap.Port.OfpPort.PortNo = port.PortNo |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1311 | portCap.Port.DeviceId = childDevice.Id |
| 1312 | portCap.Port.DevicePortNo = port.PortNo |
| 1313 | cloned := (proto.Clone(ldevice)).(*voltha.LogicalDevice) |
| 1314 | if cloned.Ports == nil { |
| 1315 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1316 | } |
| 1317 | cloned.Ports = append(cloned.Ports, portCap.Port) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1318 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1319 | return false, err |
| 1320 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1321 | // Update the device graph with this new logical port |
| 1322 | clonedLP := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1323 | go agent.updateDeviceGraph(clonedLP) |
| 1324 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1325 | } |
| 1326 | } |
| 1327 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1328 | func (agent *LogicalDeviceAgent) packetOut(packet *ofp.OfpPacketOut) { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1329 | log.Debugw("packet-out", log.Fields{"packet": packet.GetInPort()}) |
| 1330 | outPort := fd.GetPacketOutPort(packet) |
| 1331 | //frame := packet.GetData() |
| 1332 | //TODO: Use a channel between the logical agent and the device agent |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1333 | if err := agent.deviceMgr.packetOut(agent.rootDeviceId, outPort, packet); err != nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1334 | log.Error("packetout-failed", log.Fields{"logicalDeviceID": agent.rootDeviceId}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1335 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1336 | } |
| 1337 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1338 | func (agent *LogicalDeviceAgent) packetIn(port uint32, transactionId string, packet []byte) { |
| 1339 | log.Debugw("packet-in", log.Fields{"port": port, "packet": packet, "transactionId": transactionId}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1340 | packetIn := fd.MkPacketIn(port, packet) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1341 | agent.ldeviceMgr.grpcNbiHdlr.sendPacketIn(agent.logicalDeviceId, transactionId, packetIn) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1342 | log.Debugw("sending-packet-in", log.Fields{"packet-in": packetIn}) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1343 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame^] | 1344 | |
| 1345 | func (agent *LogicalDeviceAgent) addLogicalPortToMap(portNo uint32, nniPort bool) { |
| 1346 | agent.lockLogicalPortsNo.Lock() |
| 1347 | defer agent.lockLogicalPortsNo.Unlock() |
| 1348 | if exist := agent.logicalPortsNo[portNo]; !exist { |
| 1349 | agent.logicalPortsNo[portNo] = nniPort |
| 1350 | } |
| 1351 | } |
| 1352 | |
| 1353 | func (agent *LogicalDeviceAgent) deleteLogicalPortFromMap(portNo uint32) { |
| 1354 | agent.lockLogicalPortsNo.Lock() |
| 1355 | defer agent.lockLogicalPortsNo.Unlock() |
| 1356 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1357 | delete(agent.logicalPortsNo, portNo) |
| 1358 | } |
| 1359 | } |
| 1360 | |
| 1361 | func (agent *LogicalDeviceAgent) isNNIPort(portNo uint32) bool { |
| 1362 | agent.lockLogicalPortsNo.RLock() |
| 1363 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1364 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1365 | return agent.logicalPortsNo[portNo] |
| 1366 | } |
| 1367 | return false |
| 1368 | } |
| 1369 | |
| 1370 | func (agent *LogicalDeviceAgent) getFirstNNIPort() (uint32, error) { |
| 1371 | agent.lockLogicalPortsNo.RLock() |
| 1372 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1373 | for portNo, nni := range agent.logicalPortsNo { |
| 1374 | if nni { |
| 1375 | return portNo, nil |
| 1376 | } |
| 1377 | } |
| 1378 | return 0, status.Error(codes.NotFound, "No NNI port found") |
| 1379 | } |