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 | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 38 | logicalDeviceId string |
| 39 | rootDeviceId string |
| 40 | deviceMgr *DeviceManager |
| 41 | ldeviceMgr *LogicalDeviceManager |
| 42 | clusterDataProxy *model.Proxy |
| 43 | exitChannel chan int |
| 44 | deviceGraph *graph.DeviceGraph |
| 45 | flowProxy *model.Proxy |
| 46 | groupProxy *model.Proxy |
| 47 | ldProxy *model.Proxy |
| 48 | portProxies map[string]*model.Proxy |
| 49 | portProxiesLock sync.RWMutex |
| 50 | lockLogicalDevice sync.RWMutex |
| 51 | logicalPortsNo map[uint32]bool //value is true for NNI port |
| 52 | lockLogicalPortsNo sync.RWMutex |
| 53 | flowDecomposer *fd.FlowDecomposer |
| 54 | defaultTimeout int64 |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 55 | } |
| 56 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 57 | func newLogicalDeviceAgent(id string, deviceId string, ldeviceMgr *LogicalDeviceManager, |
| 58 | deviceMgr *DeviceManager, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 59 | cdProxy *model.Proxy, timeout int64) *LogicalDeviceAgent { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 60 | var agent LogicalDeviceAgent |
| 61 | agent.exitChannel = make(chan int, 1) |
| 62 | agent.logicalDeviceId = id |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 63 | agent.rootDeviceId = deviceId |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 64 | agent.deviceMgr = deviceMgr |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 65 | agent.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 66 | agent.ldeviceMgr = ldeviceMgr |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 67 | agent.flowDecomposer = fd.NewFlowDecomposer(agent.deviceMgr) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 68 | agent.lockLogicalDevice = sync.RWMutex{} |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 69 | agent.portProxies = make(map[string]*model.Proxy) |
| 70 | agent.portProxiesLock = sync.RWMutex{} |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 71 | agent.lockLogicalPortsNo = sync.RWMutex{} |
| 72 | agent.logicalPortsNo = make(map[uint32]bool) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 73 | agent.defaultTimeout = timeout |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 74 | return &agent |
| 75 | } |
| 76 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 77 | // start creates the logical device and add it to the data model |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 78 | func (agent *LogicalDeviceAgent) start(ctx context.Context, loadFromdB bool) error { |
| 79 | log.Infow("starting-logical_device-agent", log.Fields{"logicaldeviceId": agent.logicalDeviceId, "loadFromdB": loadFromdB}) |
| 80 | var ld *voltha.LogicalDevice |
| 81 | if !loadFromdB { |
| 82 | //Build the logical device based on information retrieved from the device adapter |
| 83 | var switchCap *ic.SwitchCapability |
| 84 | var err error |
| 85 | if switchCap, err = agent.deviceMgr.getSwitchCapability(ctx, agent.rootDeviceId); err != nil { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 86 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 87 | return err |
| 88 | } |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 89 | ld = &voltha.LogicalDevice{Id: agent.logicalDeviceId, RootDeviceId: agent.rootDeviceId} |
| 90 | |
| 91 | // Create the datapath ID (uint64) using the logical device ID (based on the MAC Address) |
| 92 | var datapathID uint64 |
| 93 | if datapathID, err = CreateDataPathId(agent.logicalDeviceId); err != nil { |
| 94 | log.Errorw("error-creating-datapath-id", log.Fields{"error": err}) |
| 95 | return err |
| 96 | } |
| 97 | ld.DatapathId = datapathID |
| 98 | ld.Desc = (proto.Clone(switchCap.Desc)).(*ofp.OfpDesc) |
khenaidoo | 6d05513 | 2019-02-12 16:51:19 -0500 | [diff] [blame] | 99 | log.Debugw("Switch-capability", log.Fields{"Desc": ld.Desc, "fromAd": switchCap.Desc}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 100 | ld.SwitchFeatures = (proto.Clone(switchCap.SwitchFeatures)).(*ofp.OfpSwitchFeatures) |
| 101 | ld.Flows = &ofp.Flows{Items: nil} |
| 102 | ld.FlowGroups = &ofp.FlowGroups{Items: nil} |
| 103 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 104 | agent.lockLogicalDevice.Lock() |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 105 | // Save the logical device |
| 106 | if added := agent.clusterDataProxy.AddWithID("/logical_devices", ld.Id, ld, ""); added == nil { |
| 107 | log.Errorw("failed-to-add-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 108 | } else { |
| 109 | log.Debugw("logicaldevice-created", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 110 | } |
| 111 | agent.lockLogicalDevice.Unlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 112 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 113 | // TODO: Set the logical ports in a separate call once the port update issue is fixed. |
| 114 | go agent.setupLogicalPorts(ctx) |
| 115 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 116 | } else { |
| 117 | // load from dB - the logical may not exist at this time. On error, just return and the calling function |
| 118 | // will destroy this agent. |
| 119 | var err error |
| 120 | if ld, err = agent.GetLogicalDevice(); err != nil { |
| 121 | log.Warnw("failed-to-load-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 122 | return err |
| 123 | } |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 124 | |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 125 | // Update the root device Id |
| 126 | agent.rootDeviceId = ld.RootDeviceId |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 127 | |
| 128 | // Setup the local list of logical ports |
| 129 | agent.addLogicalPortsToMap(ld.Ports) |
| 130 | |
| 131 | // Setup the device graph |
| 132 | agent.generateDeviceGraph() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 133 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 134 | agent.lockLogicalDevice.Lock() |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 135 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 136 | |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 137 | agent.flowProxy = agent.clusterDataProxy.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 138 | fmt.Sprintf("/logical_devices/%s/flows", agent.logicalDeviceId), |
| 139 | false) |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 140 | agent.groupProxy = agent.clusterDataProxy.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 141 | fmt.Sprintf("/logical_devices/%s/flow_groups", agent.logicalDeviceId), |
| 142 | false) |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 143 | agent.ldProxy = agent.clusterDataProxy.CreateProxy( |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 144 | fmt.Sprintf("/logical_devices/%s", agent.logicalDeviceId), |
| 145 | false) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 146 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 147 | // TODO: Use a port proxy once the POST_ADD is fixed |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 148 | if agent.ldProxy != nil { |
| 149 | agent.ldProxy.RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 150 | } else { |
| 151 | log.Errorw("logical-device-proxy-null", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 152 | return status.Error(codes.Internal, "logical-device-proxy-null") |
| 153 | } |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 154 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 155 | return nil |
| 156 | } |
| 157 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 158 | // stop stops the logical devuce agent. This removes the logical device from the data model. |
| 159 | func (agent *LogicalDeviceAgent) stop(ctx context.Context) { |
| 160 | log.Info("stopping-logical_device-agent") |
| 161 | agent.lockLogicalDevice.Lock() |
| 162 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 163 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 164 | //Remove the logical device from the model |
| 165 | if removed := agent.clusterDataProxy.Remove("/logical_devices/"+agent.logicalDeviceId, ""); removed == nil { |
| 166 | log.Errorw("failed-to-remove-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 167 | } else { |
| 168 | log.Debugw("logicaldevice-removed", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 169 | } |
| 170 | agent.exitChannel <- 1 |
| 171 | log.Info("logical_device-agent-stopped") |
| 172 | } |
| 173 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 174 | // GetLogicalDevice locks the logical device model and then retrieves the latest logical device information |
| 175 | func (agent *LogicalDeviceAgent) GetLogicalDevice() (*voltha.LogicalDevice, error) { |
| 176 | log.Debug("GetLogicalDevice") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 177 | agent.lockLogicalDevice.RLock() |
| 178 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 179 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 180 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 181 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 182 | } |
| 183 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 184 | } |
| 185 | |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 186 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlows() (*ofp.Flows, error) { |
| 187 | log.Debug("ListLogicalDeviceFlows") |
| 188 | agent.lockLogicalDevice.RLock() |
| 189 | defer agent.lockLogicalDevice.RUnlock() |
| 190 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
| 191 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 192 | cFlows := (proto.Clone(lDevice.Flows)).(*ofp.Flows) |
| 193 | return cFlows, nil |
| 194 | } |
| 195 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 196 | } |
| 197 | |
| 198 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlowGroups() (*ofp.FlowGroups, error) { |
| 199 | log.Debug("ListLogicalDeviceFlowGroups") |
| 200 | agent.lockLogicalDevice.RLock() |
| 201 | defer agent.lockLogicalDevice.RUnlock() |
| 202 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
| 203 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 204 | cFlowGroups := (proto.Clone(lDevice.FlowGroups)).(*ofp.FlowGroups) |
| 205 | return cFlowGroups, nil |
| 206 | } |
| 207 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 208 | } |
| 209 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 210 | func (agent *LogicalDeviceAgent) ListLogicalDevicePorts() (*voltha.LogicalPorts, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 211 | log.Debug("ListLogicalDevicePorts") |
| 212 | agent.lockLogicalDevice.RLock() |
| 213 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 214 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 215 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 216 | lPorts := make([]*voltha.LogicalPort, 0) |
| 217 | for _, port := range lDevice.Ports { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 218 | lPorts = append(lPorts, port) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 219 | } |
| 220 | return &voltha.LogicalPorts{Items: lPorts}, nil |
| 221 | } |
| 222 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 223 | } |
| 224 | |
| 225 | // listFlows locks the logical device model and then retrieves the latest flow information |
| 226 | func (agent *LogicalDeviceAgent) listFlows() []*ofp.OfpFlowStats { |
| 227 | log.Debug("listFlows") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 228 | agent.lockLogicalDevice.RLock() |
| 229 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 230 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 231 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 232 | return lDevice.Flows.Items |
| 233 | } |
| 234 | return nil |
| 235 | } |
| 236 | |
| 237 | // listFlowGroups locks the logical device model and then retrieves the latest flow groups information |
| 238 | func (agent *LogicalDeviceAgent) listFlowGroups() []*ofp.OfpGroupEntry { |
| 239 | log.Debug("listFlowGroups") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 240 | agent.lockLogicalDevice.RLock() |
| 241 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 242 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 243 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 244 | return lDevice.FlowGroups.Items |
| 245 | } |
| 246 | return nil |
| 247 | } |
| 248 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 249 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 250 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowsWithoutLock(flows *ofp.Flows) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 251 | afterUpdate := agent.flowProxy.Update("/", flows, false, "") |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 252 | if afterUpdate == nil { |
| 253 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flows:%s", agent.logicalDeviceId) |
| 254 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 255 | return nil |
| 256 | } |
| 257 | |
| 258 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 259 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowGroupsWithoutLock(flowGroups *ofp.FlowGroups) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 260 | afterUpdate := agent.groupProxy.Update("/", flowGroups, false, "") |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 261 | if afterUpdate == nil { |
| 262 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flow-groups:%s", agent.logicalDeviceId) |
| 263 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 264 | return nil |
| 265 | } |
| 266 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 267 | // getLogicalDeviceWithoutLock retrieves a logical device from the model without locking it. This is used only by |
| 268 | // functions that have already acquired the logical device lock to the model |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 269 | func (agent *LogicalDeviceAgent) getLogicalDeviceWithoutLock() (*voltha.LogicalDevice, error) { |
| 270 | log.Debug("getLogicalDeviceWithoutLock") |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 271 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 272 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 273 | //log.Debug("getLogicalDeviceWithoutLock", log.Fields{"ldevice": lDevice}) |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 274 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 275 | } |
| 276 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 277 | } |
| 278 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 279 | func (agent *LogicalDeviceAgent) updateLogicalPort(device *voltha.Device, port *voltha.Port) error { |
| 280 | log.Debugw("updateLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
| 281 | var err error |
| 282 | if port.Type == voltha.Port_ETHERNET_NNI { |
| 283 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
| 284 | return err |
| 285 | } |
| 286 | agent.addLogicalPortToMap(port.PortNo, true) |
| 287 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 288 | if _, err = agent.addUNILogicalPort(device, port); err != nil { |
| 289 | return err |
| 290 | } |
| 291 | agent.addLogicalPortToMap(port.PortNo, false) |
| 292 | } else { |
| 293 | // Update the device graph to ensure all routes on the logical device have been calculated |
| 294 | if err = agent.updateRoutes(device, port); err != nil { |
| 295 | log.Errorw("failed-to-update-routes", log.Fields{"deviceId": device.Id, "port": port, "error": err}) |
| 296 | return err |
| 297 | } |
| 298 | } |
| 299 | return nil |
| 300 | } |
| 301 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 302 | func (agent *LogicalDeviceAgent) addLogicalPort(device *voltha.Device, port *voltha.Port) error { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 303 | log.Debugw("addLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 304 | var err error |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 305 | if port.Type == voltha.Port_ETHERNET_NNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 306 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 307 | return err |
| 308 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 309 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 310 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 311 | if _, err = agent.addUNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 312 | return err |
| 313 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 314 | agent.addLogicalPortToMap(port.PortNo, false) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 315 | } else { |
| 316 | log.Debugw("invalid-port-type", log.Fields{"deviceId": device.Id, "port": port}) |
| 317 | return nil |
| 318 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 319 | return nil |
| 320 | } |
| 321 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 322 | // setupLogicalPorts is invoked once the logical device has been created and is ready to get ports |
| 323 | // added to it. While the logical device was being created we could have received requests to add |
| 324 | // NNI and UNI ports which were discarded. Now is the time to add them if needed |
| 325 | func (agent *LogicalDeviceAgent) setupLogicalPorts(ctx context.Context) error { |
| 326 | log.Infow("setupLogicalPorts", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 327 | // First add any NNI ports which could have been missing |
| 328 | if err := agent.setupNNILogicalPorts(nil, agent.rootDeviceId); err != nil { |
| 329 | log.Errorw("error-setting-up-NNI-ports", log.Fields{"error": err, "deviceId": agent.rootDeviceId}) |
| 330 | return err |
| 331 | } |
| 332 | |
| 333 | // Now, set up the UNI ports if needed. |
| 334 | if children, err := agent.deviceMgr.getAllChildDevices(agent.rootDeviceId); err != nil { |
| 335 | log.Errorw("error-getting-child-devices", log.Fields{"error": err, "deviceId": agent.rootDeviceId}) |
| 336 | return err |
| 337 | } else { |
| 338 | chnlsList := make([]chan interface{}, 0) |
| 339 | for _, child := range children.Items { |
| 340 | ch := make(chan interface{}) |
| 341 | chnlsList = append(chnlsList, ch) |
| 342 | go func(device *voltha.Device, ch chan interface{}) { |
| 343 | if err = agent.setupUNILogicalPorts(nil, device); err != nil { |
| 344 | log.Error("setting-up-UNI-ports-failed", log.Fields{"deviceID": device.Id}) |
| 345 | ch <- status.Errorf(codes.Internal, "UNI-ports-setup-failed: %s", device.Id) |
| 346 | } |
| 347 | ch <- nil |
| 348 | }(child, ch) |
| 349 | } |
| 350 | // Wait for completion |
| 351 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 352 | return status.Errorf(codes.Aborted, "errors-%s", res) |
| 353 | } |
| 354 | } |
| 355 | return nil |
| 356 | } |
| 357 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 358 | // setupNNILogicalPorts creates an NNI port on the logical device that represents an NNI interface on a root device |
| 359 | func (agent *LogicalDeviceAgent) setupNNILogicalPorts(ctx context.Context, deviceId string) error { |
| 360 | log.Infow("setupNNILogicalPorts-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 361 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 362 | var err error |
| 363 | |
| 364 | var device *voltha.Device |
| 365 | if device, err = agent.deviceMgr.GetDevice(deviceId); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 366 | log.Errorw("error-retrieving-device", log.Fields{"error": err, "deviceId": deviceId}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 367 | return err |
| 368 | } |
| 369 | |
| 370 | //Get UNI port number |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 371 | for _, port := range device.Ports { |
| 372 | if port.Type == voltha.Port_ETHERNET_NNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 373 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 374 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 375 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 376 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 377 | } |
| 378 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 379 | return err |
| 380 | } |
| 381 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 382 | // updatePortsState updates the ports state related to the device |
| 383 | func (agent *LogicalDeviceAgent) updatePortsState(device *voltha.Device, state voltha.AdminState_AdminState) error { |
| 384 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 385 | agent.lockLogicalDevice.Lock() |
| 386 | defer agent.lockLogicalDevice.Unlock() |
| 387 | // Get the latest logical device info |
| 388 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 389 | log.Warnw("logical-device-unknown", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 390 | return err |
| 391 | } else { |
| 392 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 393 | for _, lport := range cloned.Ports { |
| 394 | if lport.DeviceId == device.Id { |
| 395 | switch state { |
| 396 | case voltha.AdminState_ENABLED: |
| 397 | lport.OfpPort.Config = lport.OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 398 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LIVE) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 399 | case voltha.AdminState_DISABLED: |
| 400 | lport.OfpPort.Config = lport.OfpPort.Config | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 401 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LINK_DOWN) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 402 | default: |
| 403 | log.Warnw("unsupported-state-change", log.Fields{"deviceId": device.Id, "state": state}) |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 408 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 409 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 410 | return err |
| 411 | } |
| 412 | } |
| 413 | return nil |
| 414 | } |
| 415 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 416 | // setupUNILogicalPorts creates a UNI port on the logical device that represents a child UNI interface |
| 417 | func (agent *LogicalDeviceAgent) setupUNILogicalPorts(ctx context.Context, childDevice *voltha.Device) error { |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 418 | log.Infow("setupUNILogicalPort", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 419 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 420 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 421 | |
| 422 | //Get UNI port number |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 423 | for _, port := range childDevice.Ports { |
| 424 | if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 425 | if _, err = agent.addUNILogicalPort(childDevice, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 426 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 427 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 428 | agent.addLogicalPortToMap(port.PortNo, false) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 429 | } |
| 430 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 431 | return err |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 432 | } |
| 433 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 434 | // deleteAllLogicalPorts deletes all logical ports associated with this device |
| 435 | func (agent *LogicalDeviceAgent) deleteAllLogicalPorts(device *voltha.Device) error { |
| 436 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 437 | agent.lockLogicalDevice.Lock() |
| 438 | defer agent.lockLogicalDevice.Unlock() |
| 439 | // Get the latest logical device info |
| 440 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 441 | log.Warnw("logical-device-unknown", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 442 | return err |
| 443 | } else { |
| 444 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 445 | updateLogicalPorts := []*voltha.LogicalPort{} |
| 446 | for _, lport := range cloned.Ports { |
| 447 | if lport.DeviceId != device.Id { |
| 448 | updateLogicalPorts = append(updateLogicalPorts, lport) |
| 449 | } |
| 450 | } |
| 451 | if len(updateLogicalPorts) < len(cloned.Ports) { |
| 452 | cloned.Ports = updateLogicalPorts |
| 453 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 454 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 455 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 456 | return err |
| 457 | } |
| 458 | } else { |
| 459 | log.Debugw("no-change-required", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 460 | } |
| 461 | } |
| 462 | return nil |
| 463 | } |
| 464 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 465 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 466 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(logicalDevice *voltha.LogicalDevice) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 467 | afterUpdate := agent.clusterDataProxy.Update("/logical_devices/"+agent.logicalDeviceId, logicalDevice, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 468 | if afterUpdate == nil { |
| 469 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceId) |
| 470 | } |
| 471 | return nil |
| 472 | } |
| 473 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 474 | //updateFlowTable updates the flow table of that logical device |
| 475 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
| 476 | log.Debug("updateFlowTable") |
| 477 | if flow == nil { |
| 478 | return nil |
| 479 | } |
| 480 | switch flow.GetCommand() { |
| 481 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
| 482 | return agent.flowAdd(flow) |
| 483 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
| 484 | return agent.flowDelete(flow) |
| 485 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
| 486 | return agent.flowDeleteStrict(flow) |
| 487 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 488 | return agent.flowModify(flow) |
| 489 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 490 | return agent.flowModifyStrict(flow) |
| 491 | } |
| 492 | return status.Errorf(codes.Internal, |
| 493 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, flow.GetCommand()) |
| 494 | } |
| 495 | |
| 496 | //updateGroupTable updates the group table of that logical device |
| 497 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
| 498 | log.Debug("updateGroupTable") |
| 499 | if groupMod == nil { |
| 500 | return nil |
| 501 | } |
| 502 | switch groupMod.GetCommand() { |
| 503 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
| 504 | return agent.groupAdd(groupMod) |
| 505 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
| 506 | return agent.groupDelete(groupMod) |
| 507 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
| 508 | return agent.groupModify(groupMod) |
| 509 | } |
| 510 | return status.Errorf(codes.Internal, |
| 511 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, groupMod.GetCommand()) |
| 512 | } |
| 513 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 514 | //flowAdd adds a flow to the flow table of that logical device |
| 515 | func (agent *LogicalDeviceAgent) flowAdd(mod *ofp.OfpFlowMod) error { |
| 516 | log.Debug("flowAdd") |
| 517 | if mod == nil { |
| 518 | return nil |
| 519 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 520 | agent.lockLogicalDevice.Lock() |
| 521 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 522 | |
| 523 | var lDevice *voltha.LogicalDevice |
| 524 | var err error |
| 525 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 526 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 527 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 528 | } |
| 529 | |
| 530 | var flows []*ofp.OfpFlowStats |
| 531 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 532 | flows = lDevice.Flows.Items |
| 533 | } |
| 534 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 535 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 536 | //oldData := proto.Clone(lDevice.Flows).(*voltha.Flows) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 537 | changed := false |
| 538 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 539 | if checkOverlap { |
| 540 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 541 | // TODO: should this error be notified other than being logged? |
| 542 | log.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 543 | } else { |
| 544 | // Add flow |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 545 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 546 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 547 | updatedFlows = append(updatedFlows, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 548 | changed = true |
| 549 | } |
| 550 | } else { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 551 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 552 | idx := fu.FindFlows(flows, flow) |
| 553 | if idx >= 0 { |
| 554 | oldFlow := flows[idx] |
| 555 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 556 | flow.ByteCount = oldFlow.ByteCount |
| 557 | flow.PacketCount = oldFlow.PacketCount |
| 558 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 559 | if !reflect.DeepEqual(oldFlow, flow) { |
| 560 | flows[idx] = flow |
| 561 | updatedFlows = append(updatedFlows, flow) |
| 562 | changed = true |
| 563 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 564 | } else { |
| 565 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 566 | updatedFlows = append(updatedFlows, flow) |
| 567 | changed = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 568 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 569 | } |
| 570 | if changed { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 571 | // Launch a routine to decompose the flows |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 572 | if err := agent.decomposeAndSendFlows(&ofp.Flows{Items: updatedFlows}, lDevice.FlowGroups); err != nil { |
manikkaraj k | 259a6f7 | 2019-05-06 09:55:44 -0400 | [diff] [blame] | 573 | log.Errorw("decomposing-and-sending-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 574 | return err |
| 575 | } |
| 576 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 577 | // Update model |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 578 | flowsToUpdate := &ofp.Flows{} |
| 579 | if lDevice.Flows != nil { |
| 580 | flowsToUpdate = &ofp.Flows{Items: flows} |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 581 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 582 | if err := agent.updateLogicalDeviceFlowsWithoutLock(flowsToUpdate); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 583 | log.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 584 | return err |
| 585 | } |
| 586 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 587 | return nil |
| 588 | } |
| 589 | |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 590 | func (agent *LogicalDeviceAgent) decomposeAndSendFlows(flows *ofp.Flows, groups *ofp.FlowGroups) error { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 591 | log.Debugw("decomposeAndSendFlows", log.Fields{"logicalDeviceID": agent.logicalDeviceId}) |
| 592 | |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 593 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *flows, *groups) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 594 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 595 | |
| 596 | chnlsList := make([]chan interface{}, 0) |
| 597 | for deviceId, value := range deviceRules.GetRules() { |
| 598 | ch := make(chan interface{}) |
| 599 | chnlsList = append(chnlsList, ch) |
| 600 | go func(deviceId string, flows []*ofp.OfpFlowStats, groups []*ofp.OfpGroupEntry) { |
| 601 | if err := agent.deviceMgr.addFlowsAndGroups(deviceId, flows, groups); err != nil { |
| 602 | log.Error("flow-update-failed", log.Fields{"deviceID": deviceId}) |
| 603 | ch <- status.Errorf(codes.Internal, "flow-update-failed: %s", deviceId) |
| 604 | } |
| 605 | ch <- nil |
| 606 | }(deviceId, value.ListFlows(), value.ListGroups()) |
| 607 | } |
| 608 | // Wait for completion |
| 609 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 610 | return status.Errorf(codes.Aborted, "errors-%s", res) |
| 611 | } |
| 612 | return nil |
| 613 | } |
| 614 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 615 | //flowDelete deletes a flow from the flow table of that logical device |
| 616 | func (agent *LogicalDeviceAgent) flowDelete(mod *ofp.OfpFlowMod) error { |
| 617 | log.Debug("flowDelete") |
| 618 | if mod == nil { |
| 619 | return nil |
| 620 | } |
| 621 | agent.lockLogicalDevice.Lock() |
| 622 | defer agent.lockLogicalDevice.Unlock() |
| 623 | |
| 624 | var lDevice *voltha.LogicalDevice |
| 625 | var err error |
| 626 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 627 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 628 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 629 | } |
| 630 | flows := lDevice.Flows.Items |
| 631 | |
| 632 | //build a list of what to keep vs what to delete |
| 633 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 634 | for _, f := range flows { |
| 635 | if !fu.FlowMatchesMod(f, mod) { |
| 636 | toKeep = append(toKeep, f) |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | //Update flows |
| 641 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 642 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
| 643 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 644 | return err |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | //TODO: send announcement on delete |
| 649 | return nil |
| 650 | } |
| 651 | |
| 652 | //flowStatsDelete deletes a flow from the flow table of that logical device |
| 653 | func (agent *LogicalDeviceAgent) flowStatsDelete(flow *ofp.OfpFlowStats) error { |
| 654 | log.Debug("flowStatsDelete") |
| 655 | if flow == nil { |
| 656 | return nil |
| 657 | } |
| 658 | agent.lockLogicalDevice.Lock() |
| 659 | defer agent.lockLogicalDevice.Unlock() |
| 660 | |
| 661 | var lDevice *voltha.LogicalDevice |
| 662 | var err error |
| 663 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 664 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 665 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 666 | } |
| 667 | flows := lDevice.Flows.Items |
| 668 | |
| 669 | //build a list of what to keep vs what to delete |
| 670 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 671 | for _, f := range flows { |
| 672 | if !fu.FlowMatch(f, flow) { |
| 673 | toKeep = append(toKeep, f) |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | //Update flows |
| 678 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 679 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 680 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 681 | return err |
| 682 | } |
| 683 | } |
| 684 | return nil |
| 685 | } |
| 686 | |
| 687 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
| 688 | func (agent *LogicalDeviceAgent) flowDeleteStrict(mod *ofp.OfpFlowMod) error { |
| 689 | log.Debug("flowDeleteStrict") |
| 690 | if mod == nil { |
| 691 | return nil |
| 692 | } |
| 693 | agent.lockLogicalDevice.Lock() |
| 694 | defer agent.lockLogicalDevice.Unlock() |
| 695 | |
| 696 | var lDevice *voltha.LogicalDevice |
| 697 | var err error |
| 698 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 699 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 700 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 701 | } |
| 702 | flows := lDevice.Flows.Items |
| 703 | changed := false |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 704 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 705 | idx := fu.FindFlows(flows, flow) |
| 706 | if idx >= 0 { |
| 707 | flows = append(flows[:idx], flows[idx+1:]...) |
| 708 | changed = true |
| 709 | } else { |
| 710 | return errors.New(fmt.Sprintf("Cannot delete flow - %s", flow)) |
| 711 | } |
| 712 | |
| 713 | if changed { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 714 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 715 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 716 | return err |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | return nil |
| 721 | } |
| 722 | |
| 723 | //flowModify modifies a flow from the flow table of that logical device |
| 724 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 725 | return errors.New("flowModify not implemented") |
| 726 | } |
| 727 | |
| 728 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 729 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 730 | return errors.New("flowModifyStrict not implemented") |
| 731 | } |
| 732 | |
| 733 | func (agent *LogicalDeviceAgent) groupAdd(groupMod *ofp.OfpGroupMod) error { |
| 734 | log.Debug("groupAdd") |
| 735 | if groupMod == nil { |
| 736 | return nil |
| 737 | } |
| 738 | agent.lockLogicalDevice.Lock() |
| 739 | defer agent.lockLogicalDevice.Unlock() |
| 740 | |
| 741 | var lDevice *voltha.LogicalDevice |
| 742 | var err error |
| 743 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 744 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 745 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 746 | } |
| 747 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 748 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 749 | groups = append(groups, fu.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 750 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 751 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 752 | return err |
| 753 | } |
| 754 | } else { |
| 755 | return errors.New(fmt.Sprintf("Groups %d already present", groupMod.GroupId)) |
| 756 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 757 | return nil |
| 758 | } |
| 759 | |
| 760 | func (agent *LogicalDeviceAgent) groupDelete(groupMod *ofp.OfpGroupMod) error { |
| 761 | log.Debug("groupDelete") |
| 762 | if groupMod == nil { |
| 763 | return nil |
| 764 | } |
| 765 | agent.lockLogicalDevice.Lock() |
| 766 | defer agent.lockLogicalDevice.Unlock() |
| 767 | |
| 768 | var lDevice *voltha.LogicalDevice |
| 769 | var err error |
| 770 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 771 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 772 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 773 | } |
| 774 | groups := lDevice.FlowGroups.Items |
| 775 | flows := lDevice.Flows.Items |
| 776 | groupsChanged := false |
| 777 | flowsChanged := false |
| 778 | groupId := groupMod.GroupId |
| 779 | if groupId == uint32(ofp.OfpGroup_OFPG_ALL) { |
| 780 | //TODO we must delete all flows that point to this group and |
| 781 | //signal controller as requested by flow's flag |
| 782 | groups = []*ofp.OfpGroupEntry{} |
| 783 | groupsChanged = true |
| 784 | } else { |
| 785 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
| 786 | return nil // Valid case |
| 787 | } else { |
| 788 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupId) |
| 789 | groups = append(groups[:idx], groups[idx+1:]...) |
| 790 | groupsChanged = true |
| 791 | } |
| 792 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 793 | if groupsChanged { |
| 794 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 795 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 796 | return err |
| 797 | } |
| 798 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 799 | if flowsChanged { |
| 800 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
| 801 | log.Errorw("Cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 802 | return err |
| 803 | } |
| 804 | } |
| 805 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 806 | return nil |
| 807 | } |
| 808 | |
| 809 | func (agent *LogicalDeviceAgent) groupModify(groupMod *ofp.OfpGroupMod) error { |
| 810 | log.Debug("groupModify") |
| 811 | if groupMod == nil { |
| 812 | return nil |
| 813 | } |
| 814 | agent.lockLogicalDevice.Lock() |
| 815 | defer agent.lockLogicalDevice.Unlock() |
| 816 | |
| 817 | var lDevice *voltha.LogicalDevice |
| 818 | var err error |
| 819 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 820 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 821 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 822 | } |
| 823 | groups := lDevice.FlowGroups.Items |
| 824 | groupsChanged := false |
| 825 | groupId := groupMod.GroupId |
| 826 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 827 | return errors.New(fmt.Sprintf("group-absent:%d", groupId)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 828 | } else { |
| 829 | //replace existing group entry with new group definition |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 830 | groupEntry := fu.GroupEntryFromGroupMod(groupMod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 831 | groups[idx] = groupEntry |
| 832 | groupsChanged = true |
| 833 | } |
| 834 | if groupsChanged { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 835 | //lDevice.FlowGroups.Items = groups |
| 836 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 837 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 838 | return err |
| 839 | } |
| 840 | } |
| 841 | return nil |
| 842 | } |
| 843 | |
| 844 | // deleteLogicalPort removes the logical port |
| 845 | func (agent *LogicalDeviceAgent) deleteLogicalPort(lPort *voltha.LogicalPort) error { |
| 846 | agent.lockLogicalDevice.Lock() |
| 847 | defer agent.lockLogicalDevice.Unlock() |
| 848 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 849 | // Get the most up to date logical device |
| 850 | var logicaldevice *voltha.LogicalDevice |
| 851 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 852 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 853 | return nil |
| 854 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 855 | index := -1 |
| 856 | for i, logicalPort := range logicaldevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 857 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 858 | index = i |
| 859 | break |
| 860 | } |
| 861 | } |
| 862 | if index >= 0 { |
| 863 | copy(logicaldevice.Ports[index:], logicaldevice.Ports[index+1:]) |
| 864 | logicaldevice.Ports[len(logicaldevice.Ports)-1] = nil |
| 865 | logicaldevice.Ports = logicaldevice.Ports[:len(logicaldevice.Ports)-1] |
| 866 | log.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 867 | if err := agent.updateLogicalDeviceWithoutLock(logicaldevice); err != nil { |
| 868 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 869 | return err |
| 870 | } |
| 871 | // Reset the logical device graph |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 872 | go agent.generateDeviceGraph() |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 873 | } |
| 874 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 875 | } |
| 876 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 877 | // deleteLogicalPorts removes the logical ports associated with that deviceId |
| 878 | func (agent *LogicalDeviceAgent) deleteLogicalPorts(deviceId string) error { |
| 879 | agent.lockLogicalDevice.Lock() |
| 880 | defer agent.lockLogicalDevice.Unlock() |
| 881 | |
| 882 | // Get the most up to date logical device |
| 883 | var logicaldevice *voltha.LogicalDevice |
| 884 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 885 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 886 | return nil |
| 887 | } |
| 888 | updatedLPorts := []*voltha.LogicalPort{} |
| 889 | for _, logicalPort := range logicaldevice.Ports { |
| 890 | if logicalPort.DeviceId != deviceId { |
| 891 | updatedLPorts = append(updatedLPorts, logicalPort) |
| 892 | } |
| 893 | } |
| 894 | logicaldevice.Ports = updatedLPorts |
| 895 | log.Debugw("updated-logical-ports", log.Fields{"ports": updatedLPorts}) |
| 896 | if err := agent.updateLogicalDeviceWithoutLock(logicaldevice); err != nil { |
| 897 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 898 | return err |
| 899 | } |
| 900 | // Reset the logical device graph |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 901 | go agent.generateDeviceGraph() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 902 | |
| 903 | return nil |
| 904 | } |
| 905 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 906 | // enableLogicalPort enables the logical port |
| 907 | func (agent *LogicalDeviceAgent) enableLogicalPort(lPort *voltha.LogicalPort) error { |
| 908 | agent.lockLogicalDevice.Lock() |
| 909 | defer agent.lockLogicalDevice.Unlock() |
| 910 | |
| 911 | // Get the most up to date logical device |
| 912 | var logicaldevice *voltha.LogicalDevice |
| 913 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 914 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 915 | return nil |
| 916 | } |
| 917 | index := -1 |
| 918 | for i, logicalPort := range logicaldevice.Ports { |
| 919 | if logicalPort.Id == lPort.Id { |
| 920 | index = i |
| 921 | break |
| 922 | } |
| 923 | } |
| 924 | if index >= 0 { |
| 925 | logicaldevice.Ports[index].OfpPort.Config = logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 926 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 927 | } |
| 928 | //TODO: Trigger subsequent actions on the device |
| 929 | return nil |
| 930 | } |
| 931 | |
| 932 | // disableLogicalPort disabled the logical port |
| 933 | func (agent *LogicalDeviceAgent) disableLogicalPort(lPort *voltha.LogicalPort) error { |
| 934 | agent.lockLogicalDevice.Lock() |
| 935 | defer agent.lockLogicalDevice.Unlock() |
| 936 | |
| 937 | // Get the most up to date logical device |
| 938 | var logicaldevice *voltha.LogicalDevice |
| 939 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 940 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 941 | return nil |
| 942 | } |
| 943 | index := -1 |
| 944 | for i, logicalPort := range logicaldevice.Ports { |
| 945 | if logicalPort.Id == lPort.Id { |
| 946 | index = i |
| 947 | break |
| 948 | } |
| 949 | } |
| 950 | if index >= 0 { |
| 951 | logicaldevice.Ports[index].OfpPort.Config = (logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 952 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 953 | } |
| 954 | //TODO: Trigger subsequent actions on the device |
| 955 | return nil |
| 956 | } |
| 957 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 958 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) []graph.RouteHop { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 959 | log.Debugw("ROUTE", log.Fields{"len": len(agent.deviceGraph.Routes)}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 960 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 961 | log.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 962 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
| 963 | return route |
| 964 | } |
| 965 | } |
| 966 | log.Warnw("no-route", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "ingress": ingress, "egress": egress}) |
| 967 | return nil |
| 968 | } |
| 969 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 970 | func (agent *LogicalDeviceAgent) GetRoute(ingressPortNo uint32, egressPortNo uint32) []graph.RouteHop { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 971 | log.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 972 | routes := make([]graph.RouteHop, 0) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 973 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 974 | // Note: A port value of 0 is equivalent to a nil port |
| 975 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 976 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 977 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 978 | log.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
| 979 | if agent.isNNIPort(ingressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 980 | log.Debug("returning-half-route") |
| 981 | //This is a trap on the NNI Port |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 982 | if len(agent.deviceGraph.Routes) == 0 { |
| 983 | // If there are no routes set (usually when the logical device has only NNI port(s), then just return an |
| 984 | // internal route |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 985 | hop := graph.RouteHop{DeviceID: agent.rootDeviceId, Ingress: ingressPortNo, Egress: egressPortNo} |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 986 | routes = append(routes, hop) |
| 987 | routes = append(routes, hop) |
| 988 | return routes |
| 989 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 990 | //Return a 'half' route to make the flow decomposer logic happy |
| 991 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 992 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 993 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 994 | routes = append(routes, route[1]) |
| 995 | return routes |
| 996 | } |
| 997 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 998 | 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] | 999 | return nil |
| 1000 | } |
| 1001 | //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] | 1002 | var err error |
| 1003 | if egressPortNo, err = agent.getFirstNNIPort(); err != nil { |
| 1004 | log.Warnw("no-nni-port", log.Fields{"error": err}) |
| 1005 | return nil |
| 1006 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1007 | } |
| 1008 | //If ingress port is not specified (nil), it may be a wildcarded |
| 1009 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 1010 | //in which case we need to create a half-route where only the egress |
| 1011 | //hop is filled, the first hop is nil |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1012 | if ingressPortNo == 0 && agent.isNNIPort(egressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1013 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
| 1014 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1015 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1016 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 1017 | routes = append(routes, route[1]) |
| 1018 | return routes |
| 1019 | } |
| 1020 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1021 | 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] | 1022 | return nil |
| 1023 | } |
| 1024 | //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] | 1025 | if egressPortNo == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1026 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1027 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1028 | routes = append(routes, route[0]) |
| 1029 | routes = append(routes, graph.RouteHop{}) |
| 1030 | return routes |
| 1031 | } |
| 1032 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1033 | 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] | 1034 | return nil |
| 1035 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1036 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1037 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1038 | } |
| 1039 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1040 | //GetWildcardInputPorts filters out the logical port number from the set of logical ports on the device and |
| 1041 | //returns their port numbers. This function is invoked only during flow decomposition where the lock on the logical |
| 1042 | //device is already held. Therefore it is safe to retrieve the logical device without lock. |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1043 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 1044 | lPorts := make([]uint32, 0) |
| 1045 | var exclPort uint32 |
| 1046 | if len(excludePort) == 1 { |
| 1047 | exclPort = excludePort[0] |
| 1048 | } |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1049 | if lDevice, _ := agent.getLogicalDeviceWithoutLock(); lDevice != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1050 | for _, port := range lDevice.Ports { |
| 1051 | if port.OfpPort.PortNo != exclPort { |
| 1052 | lPorts = append(lPorts, port.OfpPort.PortNo) |
| 1053 | } |
| 1054 | } |
| 1055 | } |
| 1056 | return lPorts |
| 1057 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1058 | |
| 1059 | func (agent *LogicalDeviceAgent) GetDeviceGraph() *graph.DeviceGraph { |
| 1060 | return agent.deviceGraph |
| 1061 | } |
| 1062 | |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 1063 | //updateRoutes rebuilds the device graph if not done already |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1064 | func (agent *LogicalDeviceAgent) updateRoutes(device *voltha.Device, port *voltha.Port) error { |
| 1065 | log.Debugf("updateRoutes", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "device": device.Id, "port": port}) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1066 | agent.lockLogicalDevice.Lock() |
| 1067 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1068 | if agent.deviceGraph == nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1069 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1070 | } |
| 1071 | // Get all the logical ports on that logical device |
| 1072 | if lDevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
manikkaraj k | 259a6f7 | 2019-05-06 09:55:44 -0400 | [diff] [blame] | 1073 | log.Errorw("unknown-logical-device", log.Fields{"error": err, "logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1074 | return err |
| 1075 | } else { |
| 1076 | //TODO: Find a better way to refresh only missing routes |
| 1077 | agent.deviceGraph.ComputeRoutes(lDevice.Ports) |
| 1078 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1079 | agent.deviceGraph.Print() |
| 1080 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1081 | } |
| 1082 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1083 | //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] | 1084 | func (agent *LogicalDeviceAgent) updateDeviceGraph(lp *voltha.LogicalPort) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1085 | log.Debugf("updateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1086 | agent.lockLogicalDevice.Lock() |
| 1087 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1088 | if agent.deviceGraph == nil { |
| 1089 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
| 1090 | } |
| 1091 | agent.deviceGraph.AddPort(lp) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1092 | agent.deviceGraph.Print() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1093 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1094 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1095 | //generateDeviceGraph regenerates the device graph |
| 1096 | func (agent *LogicalDeviceAgent) generateDeviceGraph() { |
| 1097 | log.Debugf("generateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1098 | agent.lockLogicalDevice.Lock() |
| 1099 | defer agent.lockLogicalDevice.Unlock() |
| 1100 | // Get the latest logical device |
| 1101 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1102 | log.Errorw("logical-device-not-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1103 | } else { |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1104 | log.Debugw("generating-graph", log.Fields{"lDeviceId": agent.logicalDeviceId, "deviceGraph": agent.deviceGraph, "lPorts": len(ld.Ports)}) |
| 1105 | if agent.deviceGraph == nil { |
| 1106 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
| 1107 | } |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1108 | agent.deviceGraph.ComputeRoutes(ld.Ports) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1109 | agent.deviceGraph.Print() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1110 | } |
| 1111 | } |
| 1112 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1113 | // portAdded is a callback invoked when a port is added to the logical device. |
| 1114 | // TODO: To use when POST_ADD is fixed. |
| 1115 | func (agent *LogicalDeviceAgent) portAdded(args ...interface{}) interface{} { |
| 1116 | log.Debugw("portAdded-callback", log.Fields{"argsLen": len(args)}) |
| 1117 | |
| 1118 | var port *voltha.LogicalPort |
| 1119 | |
| 1120 | // Sanity check |
| 1121 | if args[0] != nil { |
| 1122 | log.Warnw("previous-data-not-nil", log.Fields{"args0": args[0]}) |
| 1123 | } |
| 1124 | var ok bool |
| 1125 | if port, ok = args[1].(*voltha.LogicalPort); !ok { |
| 1126 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1127 | return nil |
| 1128 | } |
| 1129 | |
| 1130 | // Set the proxy and callback for that port |
| 1131 | agent.portProxiesLock.Lock() |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 1132 | agent.portProxies[port.Id] = agent.clusterDataProxy.CreateProxy( |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1133 | fmt.Sprintf("/logical_devices/%s/ports/%s", agent.logicalDeviceId, port.Id), |
| 1134 | false) |
| 1135 | agent.portProxies[port.Id].RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1136 | agent.portProxiesLock.Unlock() |
| 1137 | |
| 1138 | // Send the port change event to the OF controller |
| 1139 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1140 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1141 | |
| 1142 | return nil |
| 1143 | } |
| 1144 | |
| 1145 | // portRemoved is a callback invoked when a port is removed from the logical device. |
| 1146 | // TODO: To use when POST_ADD is fixed. |
| 1147 | func (agent *LogicalDeviceAgent) portRemoved(args ...interface{}) interface{} { |
| 1148 | log.Debugw("portRemoved-callback", log.Fields{"argsLen": len(args)}) |
| 1149 | |
| 1150 | var port *voltha.LogicalPort |
| 1151 | |
| 1152 | // Sanity check |
| 1153 | if args[1] != nil { |
| 1154 | log.Warnw("data-not-nil", log.Fields{"args1": args[1]}) |
| 1155 | } |
| 1156 | var ok bool |
| 1157 | if port, ok = args[0].(*voltha.LogicalPort); !ok { |
| 1158 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1159 | return nil |
| 1160 | } |
| 1161 | |
| 1162 | // Remove the proxy and callback for that port |
| 1163 | agent.portProxiesLock.Lock() |
| 1164 | agent.portProxies[port.Id].UnregisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1165 | delete(agent.portProxies, port.Id) |
| 1166 | agent.portProxiesLock.Unlock() |
| 1167 | |
| 1168 | // Send the port change event to the OF controller |
| 1169 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1170 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1171 | |
| 1172 | return nil |
| 1173 | } |
| 1174 | |
| 1175 | // 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] | 1176 | func diff(oldList, newList []*voltha.LogicalPort) (newPorts, changedPorts, deletedPorts []*voltha.LogicalPort) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1177 | newPorts = make([]*voltha.LogicalPort, 0) |
| 1178 | changedPorts = make([]*voltha.LogicalPort, 0) |
| 1179 | deletedPorts = make([]*voltha.LogicalPort, 0) |
| 1180 | for _, o := range oldList { |
| 1181 | found := false |
| 1182 | changed := false |
| 1183 | for _, n := range newList { |
| 1184 | if o.Id == n.Id { |
| 1185 | changed = !reflect.DeepEqual(o, n) |
| 1186 | found = true |
| 1187 | break |
| 1188 | } |
| 1189 | } |
| 1190 | if !found { |
| 1191 | deletedPorts = append(deletedPorts, o) |
| 1192 | } |
| 1193 | if changed { |
| 1194 | changedPorts = append(changedPorts, o) |
| 1195 | } |
| 1196 | } |
| 1197 | for _, n := range newList { |
| 1198 | found := false |
| 1199 | for _, o := range oldList { |
| 1200 | if o.Id == n.Id { |
| 1201 | found = true |
| 1202 | break |
| 1203 | } |
| 1204 | } |
| 1205 | if !found { |
| 1206 | newPorts = append(newPorts, n) |
| 1207 | } |
| 1208 | } |
| 1209 | return |
| 1210 | } |
| 1211 | |
| 1212 | // portUpdated is invoked when a port is updated on the logical device. Until |
| 1213 | // the POST_ADD notification is fixed, we will use the logical device to |
| 1214 | // update that data. |
| 1215 | func (agent *LogicalDeviceAgent) portUpdated(args ...interface{}) interface{} { |
| 1216 | log.Debugw("portUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 1217 | |
| 1218 | var oldLD *voltha.LogicalDevice |
| 1219 | var newlD *voltha.LogicalDevice |
| 1220 | |
| 1221 | var ok bool |
| 1222 | if oldLD, ok = args[0].(*voltha.LogicalDevice); !ok { |
| 1223 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1224 | return nil |
| 1225 | } |
| 1226 | if newlD, ok = args[1].(*voltha.LogicalDevice); !ok { |
| 1227 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1228 | return nil |
| 1229 | } |
| 1230 | |
| 1231 | if reflect.DeepEqual(oldLD.Ports, newlD.Ports) { |
| 1232 | log.Debug("ports-have-not-changed") |
| 1233 | return nil |
| 1234 | } |
| 1235 | |
| 1236 | // Get the difference between the two list |
| 1237 | newPorts, changedPorts, deletedPorts := diff(oldLD.Ports, newlD.Ports) |
| 1238 | |
| 1239 | // Send the port change events to the OF controller |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1240 | for _, newP := range newPorts { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1241 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1242 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: newP.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1243 | } |
| 1244 | for _, change := range changedPorts { |
| 1245 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1246 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_MODIFY, Desc: change.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1247 | } |
| 1248 | for _, del := range deletedPorts { |
| 1249 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1250 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: del.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1251 | } |
| 1252 | |
| 1253 | return nil |
| 1254 | } |
| 1255 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1256 | // addNNILogicalPort adds an NNI port to the logical device. It returns a bool representing whether a port has been |
| 1257 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1258 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1259 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1260 | func (agent *LogicalDeviceAgent) addNNILogicalPort(device *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1261 | log.Debugw("addNNILogicalPort", log.Fields{"NNI": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1262 | if device.AdminState != voltha.AdminState_ENABLED || device.OperStatus != voltha.OperStatus_ACTIVE { |
| 1263 | log.Infow("device-not-ready", log.Fields{"deviceId": device.Id, "admin": device.AdminState, "oper": device.OperStatus}) |
| 1264 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1265 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1266 | agent.lockLogicalDevice.RLock() |
| 1267 | if agent.portExist(device, port) { |
| 1268 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1269 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1270 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1271 | } |
| 1272 | agent.lockLogicalDevice.RUnlock() |
| 1273 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1274 | var portCap *ic.PortCapability |
| 1275 | var err error |
| 1276 | // First get the port capability |
| 1277 | if portCap, err = agent.deviceMgr.getPortCapability(nil, device.Id, port.PortNo); err != nil { |
| 1278 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1279 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1280 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1281 | |
| 1282 | agent.lockLogicalDevice.Lock() |
| 1283 | defer agent.lockLogicalDevice.Unlock() |
| 1284 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1285 | if agent.portExist(device, port) { |
| 1286 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1287 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1288 | } |
| 1289 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1290 | portCap.Port.RootPort = true |
| 1291 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1292 | lp.DeviceId = device.Id |
| 1293 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 1294 | lp.OfpPort.PortNo = port.PortNo |
| 1295 | lp.OfpPort.Name = lp.Id |
| 1296 | lp.DevicePortNo = port.PortNo |
| 1297 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1298 | var ld *voltha.LogicalDevice |
| 1299 | if ld, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1300 | log.Errorw("error-retrieving-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1301 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1302 | } |
| 1303 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 1304 | if cloned.Ports == nil { |
| 1305 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1306 | } |
| 1307 | cloned.Ports = append(cloned.Ports, lp) |
| 1308 | |
| 1309 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1310 | log.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1311 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1312 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1313 | |
| 1314 | // Update the device graph with this new logical port |
| 1315 | clonedLP := (proto.Clone(lp)).(*voltha.LogicalPort) |
| 1316 | go agent.updateDeviceGraph(clonedLP) |
| 1317 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1318 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1319 | } |
| 1320 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1321 | func (agent *LogicalDeviceAgent) portExist(device *voltha.Device, port *voltha.Port) bool { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1322 | if ldevice, _ := agent.getLogicalDeviceWithoutLock(); ldevice != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1323 | for _, lPort := range ldevice.Ports { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1324 | if lPort.DeviceId == device.Id && lPort.DevicePortNo == port.PortNo && lPort.Id == port.Label { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1325 | return true |
| 1326 | } |
| 1327 | } |
| 1328 | } |
| 1329 | return false |
| 1330 | } |
| 1331 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1332 | // addUNILogicalPort adds an UNI port to the logical device. It returns a bool representing whether a port has been |
| 1333 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1334 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1335 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1336 | func (agent *LogicalDeviceAgent) addUNILogicalPort(childDevice *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1337 | log.Debugw("addUNILogicalPort", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1338 | if childDevice.AdminState != voltha.AdminState_ENABLED || childDevice.OperStatus != voltha.OperStatus_ACTIVE { |
| 1339 | log.Infow("device-not-ready", log.Fields{"deviceId": childDevice.Id, "admin": childDevice.AdminState, "oper": childDevice.OperStatus}) |
| 1340 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1341 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1342 | agent.lockLogicalDevice.RLock() |
| 1343 | if agent.portExist(childDevice, port) { |
| 1344 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1345 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1346 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1347 | } |
| 1348 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1349 | var portCap *ic.PortCapability |
| 1350 | var err error |
| 1351 | // First get the port capability |
| 1352 | if portCap, err = agent.deviceMgr.getPortCapability(nil, childDevice.Id, port.PortNo); err != nil { |
| 1353 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1354 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1355 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1356 | agent.lockLogicalDevice.Lock() |
| 1357 | defer agent.lockLogicalDevice.Unlock() |
| 1358 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1359 | if agent.portExist(childDevice, port) { |
| 1360 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1361 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1362 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1363 | // Get stored logical device |
| 1364 | if ldevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1365 | return false, status.Error(codes.NotFound, agent.logicalDeviceId) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1366 | } else { |
| 1367 | log.Debugw("adding-uni", log.Fields{"deviceId": childDevice.Id}) |
| 1368 | portCap.Port.RootPort = false |
Matt Jeanneret | 3815e32 | 2019-03-12 19:15:49 -0400 | [diff] [blame] | 1369 | portCap.Port.Id = port.Label |
| 1370 | portCap.Port.OfpPort.PortNo = port.PortNo |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1371 | portCap.Port.DeviceId = childDevice.Id |
| 1372 | portCap.Port.DevicePortNo = port.PortNo |
| 1373 | cloned := (proto.Clone(ldevice)).(*voltha.LogicalDevice) |
| 1374 | if cloned.Ports == nil { |
| 1375 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1376 | } |
| 1377 | cloned.Ports = append(cloned.Ports, portCap.Port) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1378 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1379 | return false, err |
| 1380 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1381 | // Update the device graph with this new logical port |
| 1382 | clonedLP := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1383 | go agent.updateDeviceGraph(clonedLP) |
| 1384 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1385 | } |
| 1386 | } |
| 1387 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1388 | func (agent *LogicalDeviceAgent) packetOut(packet *ofp.OfpPacketOut) { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1389 | log.Debugw("packet-out", log.Fields{"packet": packet.GetInPort()}) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1390 | outPort := fu.GetPacketOutPort(packet) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1391 | //frame := packet.GetData() |
| 1392 | //TODO: Use a channel between the logical agent and the device agent |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1393 | if err := agent.deviceMgr.packetOut(agent.rootDeviceId, outPort, packet); err != nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1394 | log.Error("packetout-failed", log.Fields{"logicalDeviceID": agent.rootDeviceId}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1395 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1396 | } |
| 1397 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1398 | func (agent *LogicalDeviceAgent) packetIn(port uint32, transactionId string, packet []byte) { |
| 1399 | log.Debugw("packet-in", log.Fields{"port": port, "packet": packet, "transactionId": transactionId}) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1400 | packetIn := fu.MkPacketIn(port, packet) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1401 | agent.ldeviceMgr.grpcNbiHdlr.sendPacketIn(agent.logicalDeviceId, transactionId, packetIn) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1402 | log.Debugw("sending-packet-in", log.Fields{"packet-in": packetIn}) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1403 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1404 | |
| 1405 | func (agent *LogicalDeviceAgent) addLogicalPortToMap(portNo uint32, nniPort bool) { |
| 1406 | agent.lockLogicalPortsNo.Lock() |
| 1407 | defer agent.lockLogicalPortsNo.Unlock() |
| 1408 | if exist := agent.logicalPortsNo[portNo]; !exist { |
| 1409 | agent.logicalPortsNo[portNo] = nniPort |
| 1410 | } |
| 1411 | } |
| 1412 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1413 | func (agent *LogicalDeviceAgent) addLogicalPortsToMap(lps []*voltha.LogicalPort) { |
| 1414 | agent.lockLogicalPortsNo.Lock() |
| 1415 | defer agent.lockLogicalPortsNo.Unlock() |
| 1416 | for _, lp := range lps { |
| 1417 | if exist := agent.logicalPortsNo[lp.DevicePortNo]; !exist { |
| 1418 | agent.logicalPortsNo[lp.DevicePortNo] = lp.RootPort |
| 1419 | } |
| 1420 | } |
| 1421 | } |
| 1422 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1423 | func (agent *LogicalDeviceAgent) deleteLogicalPortFromMap(portNo uint32) { |
| 1424 | agent.lockLogicalPortsNo.Lock() |
| 1425 | defer agent.lockLogicalPortsNo.Unlock() |
| 1426 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1427 | delete(agent.logicalPortsNo, portNo) |
| 1428 | } |
| 1429 | } |
| 1430 | |
| 1431 | func (agent *LogicalDeviceAgent) isNNIPort(portNo uint32) bool { |
| 1432 | agent.lockLogicalPortsNo.RLock() |
| 1433 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1434 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1435 | return agent.logicalPortsNo[portNo] |
| 1436 | } |
| 1437 | return false |
| 1438 | } |
| 1439 | |
| 1440 | func (agent *LogicalDeviceAgent) getFirstNNIPort() (uint32, error) { |
| 1441 | agent.lockLogicalPortsNo.RLock() |
| 1442 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1443 | for portNo, nni := range agent.logicalPortsNo { |
| 1444 | if nni { |
| 1445 | return portNo, nil |
| 1446 | } |
| 1447 | } |
| 1448 | return 0, status.Error(codes.NotFound, "No NNI port found") |
| 1449 | } |