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 | */ |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 16 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 17 | package core |
| 18 | |
| 19 | import ( |
| 20 | "context" |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 21 | "encoding/hex" |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 22 | "errors" |
| 23 | "fmt" |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 24 | "reflect" |
| 25 | "sync" |
| 26 | "time" |
| 27 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 28 | "github.com/gogo/protobuf/proto" |
sbarbari | 17d7e22 | 2019-11-05 10:02:29 -0500 | [diff] [blame] | 29 | "github.com/opencord/voltha-go/db/model" |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 30 | fd "github.com/opencord/voltha-go/rw_core/flowdecomposition" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 31 | "github.com/opencord/voltha-go/rw_core/graph" |
Scott Baker | b671a86 | 2019-10-24 10:53:40 -0700 | [diff] [blame] | 32 | coreutils "github.com/opencord/voltha-go/rw_core/utils" |
Scott Baker | 807addd | 2019-10-24 15:16:21 -0700 | [diff] [blame] | 33 | fu "github.com/opencord/voltha-lib-go/v2/pkg/flows" |
| 34 | "github.com/opencord/voltha-lib-go/v2/pkg/log" |
Scott Baker | 555307d | 2019-11-04 08:58:01 -0800 | [diff] [blame] | 35 | ic "github.com/opencord/voltha-protos/v2/go/inter_container" |
| 36 | ofp "github.com/opencord/voltha-protos/v2/go/openflow_13" |
| 37 | "github.com/opencord/voltha-protos/v2/go/voltha" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 38 | "google.golang.org/grpc/codes" |
| 39 | "google.golang.org/grpc/status" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 40 | ) |
| 41 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 42 | // LogicalDeviceAgent represent attributes of logical device agent |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 43 | type LogicalDeviceAgent struct { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 44 | logicalDeviceID string |
| 45 | rootDeviceID string |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 46 | deviceMgr *DeviceManager |
| 47 | ldeviceMgr *LogicalDeviceManager |
| 48 | clusterDataProxy *model.Proxy |
| 49 | exitChannel chan int |
| 50 | deviceGraph *graph.DeviceGraph |
| 51 | flowProxy *model.Proxy |
| 52 | groupProxy *model.Proxy |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 53 | meterProxy *model.Proxy |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 54 | ldProxy *model.Proxy |
| 55 | portProxies map[string]*model.Proxy |
| 56 | portProxiesLock sync.RWMutex |
| 57 | lockLogicalDevice sync.RWMutex |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 58 | lockDeviceGraph sync.RWMutex |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 59 | logicalPortsNo map[uint32]bool //value is true for NNI port |
| 60 | lockLogicalPortsNo sync.RWMutex |
| 61 | flowDecomposer *fd.FlowDecomposer |
| 62 | defaultTimeout int64 |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 63 | logicalDevice *voltha.LogicalDevice |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 64 | } |
| 65 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 66 | func newLogicalDeviceAgent(id string, deviceID string, ldeviceMgr *LogicalDeviceManager, |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 67 | deviceMgr *DeviceManager, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 68 | cdProxy *model.Proxy, timeout int64) *LogicalDeviceAgent { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 69 | var agent LogicalDeviceAgent |
| 70 | agent.exitChannel = make(chan int, 1) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 71 | agent.logicalDeviceID = id |
| 72 | agent.rootDeviceID = deviceID |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 73 | agent.deviceMgr = deviceMgr |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 74 | agent.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 75 | agent.ldeviceMgr = ldeviceMgr |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 76 | agent.flowDecomposer = fd.NewFlowDecomposer(agent.deviceMgr) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 77 | agent.lockLogicalDevice = sync.RWMutex{} |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 78 | agent.portProxies = make(map[string]*model.Proxy) |
| 79 | agent.portProxiesLock = sync.RWMutex{} |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 80 | agent.lockLogicalPortsNo = sync.RWMutex{} |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 81 | agent.lockDeviceGraph = sync.RWMutex{} |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 82 | agent.logicalPortsNo = make(map[uint32]bool) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 83 | agent.defaultTimeout = timeout |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 84 | return &agent |
| 85 | } |
| 86 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 87 | // start creates the logical device and add it to the data model |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 88 | func (agent *LogicalDeviceAgent) start(ctx context.Context, loadFromdB bool) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 89 | log.Infow("starting-logical_device-agent", log.Fields{"logicaldeviceId": agent.logicalDeviceID, "loadFromdB": loadFromdB}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 90 | var ld *voltha.LogicalDevice |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 91 | var err error |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 92 | if !loadFromdB { |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 93 | //Build the logical device based on information retrieved from the device adapter |
| 94 | var switchCap *ic.SwitchCapability |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 95 | var err error |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 96 | if switchCap, err = agent.deviceMgr.getSwitchCapability(ctx, agent.rootDeviceID); err != nil { |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 97 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 98 | return err |
| 99 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 100 | ld = &voltha.LogicalDevice{Id: agent.logicalDeviceID, RootDeviceId: agent.rootDeviceID} |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 101 | |
| 102 | // Create the datapath ID (uint64) using the logical device ID (based on the MAC Address) |
| 103 | var datapathID uint64 |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 104 | if datapathID, err = CreateDataPathID(agent.logicalDeviceID); err != nil { |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 105 | log.Errorw("error-creating-datapath-id", log.Fields{"error": err}) |
| 106 | return err |
| 107 | } |
| 108 | ld.DatapathId = datapathID |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 109 | ld.Desc = (proto.Clone(switchCap.Desc)).(*ofp.OfpDesc) |
| 110 | log.Debugw("Switch-capability", log.Fields{"Desc": ld.Desc, "fromAd": switchCap.Desc}) |
| 111 | ld.SwitchFeatures = (proto.Clone(switchCap.SwitchFeatures)).(*ofp.OfpSwitchFeatures) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 112 | ld.Flows = &ofp.Flows{Items: nil} |
| 113 | ld.FlowGroups = &ofp.FlowGroups{Items: nil} |
| 114 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 115 | agent.lockLogicalDevice.Lock() |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 116 | // Save the logical device |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 117 | added, err := agent.clusterDataProxy.AddWithID(ctx, "/logical_devices", ld.Id, ld, "") |
| 118 | if err != nil { |
| 119 | log.Errorw("failed-to-save-logical-devices-to-cluster-proxy", log.Fields{"error": err}) |
| 120 | agent.lockLogicalDevice.Unlock() |
| 121 | return err |
| 122 | } |
| 123 | if added == nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 124 | log.Errorw("failed-to-add-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceID}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 125 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 126 | log.Debugw("logicaldevice-created", log.Fields{"logicaldeviceId": agent.logicalDeviceID}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 127 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 128 | |
| 129 | agent.logicalDevice = proto.Clone(ld).(*voltha.LogicalDevice) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 130 | agent.lockLogicalDevice.Unlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 131 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 132 | // TODO: Set the logical ports in a separate call once the port update issue is fixed. |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 133 | go func() { |
| 134 | err := agent.setupLogicalPorts(ctx) |
| 135 | if err != nil { |
| 136 | log.Errorw("unable-to-setup-logical-ports", log.Fields{"error": err}) |
| 137 | } |
| 138 | }() |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 139 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 140 | } else { |
| 141 | // load from dB - the logical may not exist at this time. On error, just return and the calling function |
| 142 | // will destroy this agent. |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 143 | agent.lockLogicalDevice.Lock() |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 144 | logicalDevice, err := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceID, 0, true, "") |
| 145 | if err != nil { |
| 146 | return status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceID) |
| 147 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 148 | ld, ok := logicalDevice.(*voltha.LogicalDevice) |
| 149 | if !ok { |
| 150 | agent.lockLogicalDevice.Unlock() |
| 151 | return status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceID) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 152 | } |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 153 | // Update the root device Id |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 154 | agent.rootDeviceID = ld.RootDeviceId |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 155 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 156 | // Update the last data |
| 157 | agent.logicalDevice = proto.Clone(ld).(*voltha.LogicalDevice) |
| 158 | |
| 159 | agent.lockLogicalDevice.Unlock() |
| 160 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 161 | // Setup the local list of logical ports |
| 162 | agent.addLogicalPortsToMap(ld.Ports) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 163 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 164 | agent.lockLogicalDevice.Lock() |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 165 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 166 | |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 167 | agent.flowProxy, err = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 168 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 169 | fmt.Sprintf("/logical_devices/%s/flows", agent.logicalDeviceID), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 170 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 171 | if err != nil { |
| 172 | log.Errorw("failed-to-create-flow-proxy", log.Fields{"error": err}) |
| 173 | return err |
| 174 | } |
| 175 | agent.meterProxy, err = agent.clusterDataProxy.CreateProxy( |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 176 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 177 | fmt.Sprintf("/logical_devices/%s/meters", agent.logicalDeviceID), |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 178 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 179 | if err != nil { |
| 180 | log.Errorw("failed-to-create-meter-proxy", log.Fields{"error": err}) |
| 181 | return err |
| 182 | } |
| 183 | agent.groupProxy, err = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 184 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 185 | fmt.Sprintf("/logical_devices/%s/flow_groups", agent.logicalDeviceID), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 186 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 187 | if err != nil { |
| 188 | log.Errorw("failed-to-create-group-proxy", log.Fields{"error": err}) |
| 189 | return err |
| 190 | } |
| 191 | agent.ldProxy, err = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 192 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 193 | fmt.Sprintf("/logical_devices/%s", agent.logicalDeviceID), |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 194 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 195 | if err != nil { |
| 196 | log.Errorw("failed-to-create-logical-device-proxy", log.Fields{"error": err}) |
| 197 | return err |
| 198 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 199 | // TODO: Use a port proxy once the POST_ADD is fixed |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 200 | if agent.ldProxy != nil { |
| 201 | agent.ldProxy.RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 202 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 203 | log.Errorw("logical-device-proxy-null", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 204 | return status.Error(codes.Internal, "logical-device-proxy-null") |
| 205 | } |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 206 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 207 | // Setup the device graph - run it in its own routine |
| 208 | if loadFromdB { |
| 209 | go agent.generateDeviceGraph() |
| 210 | } |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 211 | return nil |
| 212 | } |
| 213 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 214 | // stop stops the logical devuce agent. This removes the logical device from the data model. |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 215 | func (agent *LogicalDeviceAgent) stop(ctx context.Context) error { |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 216 | log.Info("stopping-logical_device-agent") |
| 217 | agent.lockLogicalDevice.Lock() |
| 218 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 219 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 220 | //Remove the logical device from the model |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 221 | if removed, err := agent.clusterDataProxy.Remove(ctx, "/logical_devices/"+agent.logicalDeviceID, ""); err != nil { |
| 222 | log.Errorw("failed-to-remove-device", log.Fields{"error": err}) |
| 223 | return err |
| 224 | } else if removed == nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 225 | log.Errorw("failed-to-remove-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceID}) |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 226 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 227 | log.Debugw("logicaldevice-removed", log.Fields{"logicaldeviceId": agent.logicalDeviceID}) |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 228 | } |
| 229 | agent.exitChannel <- 1 |
| 230 | log.Info("logical_device-agent-stopped") |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 231 | return nil |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 232 | } |
| 233 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 234 | // GetLogicalDevice returns the latest logical device data |
| 235 | func (agent *LogicalDeviceAgent) GetLogicalDevice() *voltha.LogicalDevice { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 236 | agent.lockLogicalDevice.RLock() |
| 237 | defer agent.lockLogicalDevice.RUnlock() |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 238 | |
| 239 | return proto.Clone(agent.logicalDevice).(*voltha.LogicalDevice) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 240 | } |
| 241 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 242 | // ListLogicalDeviceFlows returns logical device flows |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 243 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlows() *ofp.Flows { |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 244 | log.Debug("ListLogicalDeviceFlows") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 245 | |
| 246 | logicalDevice := agent.GetLogicalDevice() |
| 247 | if logicalDevice.Flows == nil { |
| 248 | return &ofp.Flows{} |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 249 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 250 | return (proto.Clone(logicalDevice.Flows)).(*ofp.Flows) |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 251 | } |
| 252 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 253 | // ListLogicalDeviceMeters returns logical device meters |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 254 | func (agent *LogicalDeviceAgent) ListLogicalDeviceMeters() *ofp.Meters { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 255 | log.Debug("ListLogicalDeviceMeters") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 256 | |
| 257 | logicalDevice := agent.GetLogicalDevice() |
| 258 | if logicalDevice.Meters == nil { |
| 259 | return &ofp.Meters{} |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 260 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 261 | return (proto.Clone(logicalDevice.Meters)).(*ofp.Meters) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 262 | } |
| 263 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 264 | // ListLogicalDeviceFlowGroups returns logical device flow groups |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 265 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlowGroups() *ofp.FlowGroups { |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 266 | log.Debug("ListLogicalDeviceFlowGroups") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 267 | |
| 268 | logicalDevice := agent.GetLogicalDevice() |
| 269 | if logicalDevice.FlowGroups == nil { |
| 270 | return &ofp.FlowGroups{} |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 271 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 272 | return (proto.Clone(logicalDevice.FlowGroups)).(*ofp.FlowGroups) |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 273 | } |
| 274 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 275 | // ListLogicalDevicePorts returns logical device ports |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 276 | func (agent *LogicalDeviceAgent) ListLogicalDevicePorts() *voltha.LogicalPorts { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 277 | log.Debug("ListLogicalDevicePorts") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 278 | logicalDevice := agent.GetLogicalDevice() |
| 279 | lPorts := make([]*voltha.LogicalPort, 0) |
| 280 | lPorts = append(lPorts, logicalDevice.Ports...) |
| 281 | return &voltha.LogicalPorts{Items: lPorts} |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 282 | } |
| 283 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 284 | //updateLogicalDeviceFlowsWithoutLock updates the logical device with the latest flows in the model. |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 285 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowsWithoutLock(flows *ofp.Flows) error { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 286 | ld := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 287 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 288 | log.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
| 289 | ld.Flows = flows |
| 290 | |
| 291 | if err := agent.updateLogicalDeviceWithoutLock(ld); err != nil { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 292 | log.Errorw("error-updating-logical-device-with-flows", log.Fields{"error": err}) |
| 293 | return err |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 294 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 295 | return nil |
| 296 | } |
| 297 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 298 | //updateLogicalDeviceMetersWithoutLock updates the logical device with the meters info |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 299 | func (agent *LogicalDeviceAgent) updateLogicalDeviceMetersWithoutLock(meters *ofp.Meters) error { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 300 | ld := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 301 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 302 | log.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
| 303 | ld.Meters = meters |
| 304 | |
| 305 | if err := agent.updateLogicalDeviceWithoutLock(ld); err != nil { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 306 | log.Errorw("error-updating-logical-device-with-meters", log.Fields{"error": err}) |
| 307 | return err |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 308 | } |
| 309 | return nil |
| 310 | } |
| 311 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 312 | //updateLogicalDeviceFlowGroupsWithoutLock updates the logical device with the flow groups |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 313 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowGroupsWithoutLock(flowGroups *ofp.FlowGroups) error { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 314 | ld := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 315 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 316 | log.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
| 317 | ld.FlowGroups = flowGroups |
| 318 | |
| 319 | if err := agent.updateLogicalDeviceWithoutLock(ld); err != nil { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 320 | log.Errorw("error-updating-logical-device-with-flowgroups", log.Fields{"error": err}) |
| 321 | return err |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 322 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 323 | return nil |
| 324 | } |
| 325 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 326 | // getLogicalDeviceWithoutLock returns a cloned logical device to a function that already holds the agent lock. |
| 327 | func (agent *LogicalDeviceAgent) getLogicalDeviceWithoutLock() *voltha.LogicalDevice { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 328 | log.Debug("getLogicalDeviceWithoutLock") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 329 | return proto.Clone(agent.logicalDevice).(*voltha.LogicalDevice) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 330 | } |
| 331 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 332 | func (agent *LogicalDeviceAgent) updateLogicalPort(device *voltha.Device, port *voltha.Port) error { |
| 333 | log.Debugw("updateLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
| 334 | var err error |
| 335 | if port.Type == voltha.Port_ETHERNET_NNI { |
| 336 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
| 337 | return err |
| 338 | } |
| 339 | agent.addLogicalPortToMap(port.PortNo, true) |
| 340 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 341 | if _, err = agent.addUNILogicalPort(device, port); err != nil { |
| 342 | return err |
| 343 | } |
| 344 | agent.addLogicalPortToMap(port.PortNo, false) |
| 345 | } else { |
| 346 | // Update the device graph to ensure all routes on the logical device have been calculated |
| 347 | if err = agent.updateRoutes(device, port); err != nil { |
| 348 | log.Errorw("failed-to-update-routes", log.Fields{"deviceId": device.Id, "port": port, "error": err}) |
| 349 | return err |
| 350 | } |
| 351 | } |
| 352 | return nil |
| 353 | } |
| 354 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 355 | // setupLogicalPorts is invoked once the logical device has been created and is ready to get ports |
| 356 | // added to it. While the logical device was being created we could have received requests to add |
| 357 | // NNI and UNI ports which were discarded. Now is the time to add them if needed |
| 358 | func (agent *LogicalDeviceAgent) setupLogicalPorts(ctx context.Context) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 359 | log.Infow("setupLogicalPorts", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 360 | // First add any NNI ports which could have been missing |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 361 | if err := agent.setupNNILogicalPorts(context.TODO(), agent.rootDeviceID); err != nil { |
| 362 | log.Errorw("error-setting-up-NNI-ports", log.Fields{"error": err, "deviceId": agent.rootDeviceID}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 363 | return err |
| 364 | } |
| 365 | |
| 366 | // Now, set up the UNI ports if needed. |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 367 | children, err := agent.deviceMgr.getAllChildDevices(agent.rootDeviceID) |
| 368 | if err != nil { |
| 369 | log.Errorw("error-getting-child-devices", log.Fields{"error": err, "deviceId": agent.rootDeviceID}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 370 | return err |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 371 | } |
| 372 | responses := make([]coreutils.Response, 0) |
| 373 | for _, child := range children.Items { |
| 374 | response := coreutils.NewResponse() |
| 375 | responses = append(responses, response) |
| 376 | go func(child *voltha.Device) { |
| 377 | if err = agent.setupUNILogicalPorts(context.TODO(), child); err != nil { |
| 378 | log.Error("setting-up-UNI-ports-failed", log.Fields{"deviceID": child.Id}) |
| 379 | response.Error(status.Errorf(codes.Internal, "UNI-ports-setup-failed: %s", child.Id)) |
| 380 | } |
| 381 | response.Done() |
| 382 | }(child) |
| 383 | } |
| 384 | // Wait for completion |
| 385 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, responses...); res != nil { |
| 386 | return status.Errorf(codes.Aborted, "errors-%s", res) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 387 | } |
| 388 | return nil |
| 389 | } |
| 390 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 391 | // setupNNILogicalPorts creates an NNI port on the logical device that represents an NNI interface on a root device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 392 | func (agent *LogicalDeviceAgent) setupNNILogicalPorts(ctx context.Context, deviceID string) error { |
| 393 | log.Infow("setupNNILogicalPorts-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 394 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 395 | var err error |
| 396 | |
| 397 | var device *voltha.Device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 398 | if device, err = agent.deviceMgr.GetDevice(deviceID); err != nil { |
| 399 | log.Errorw("error-retrieving-device", log.Fields{"error": err, "deviceId": deviceID}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 400 | return err |
| 401 | } |
| 402 | |
| 403 | //Get UNI port number |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 404 | for _, port := range device.Ports { |
| 405 | if port.Type == voltha.Port_ETHERNET_NNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 406 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 407 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 408 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 409 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 410 | } |
| 411 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 412 | return err |
| 413 | } |
| 414 | |
khenaidoo | 171b98e | 2019-10-31 11:48:15 -0400 | [diff] [blame] | 415 | // updatePortState updates the port state of the device |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 416 | func (agent *LogicalDeviceAgent) updatePortState(deviceID string, portNo uint32, operStatus voltha.OperStatus_OperStatus) error { |
| 417 | log.Infow("updatePortState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "portNo": portNo, "state": operStatus}) |
khenaidoo | 171b98e | 2019-10-31 11:48:15 -0400 | [diff] [blame] | 418 | agent.lockLogicalDevice.Lock() |
| 419 | defer agent.lockLogicalDevice.Unlock() |
| 420 | // Get the latest logical device info |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 421 | cloned := agent.getLogicalDeviceWithoutLock() |
| 422 | for idx, lPort := range cloned.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 423 | if lPort.DeviceId == deviceID && lPort.DevicePortNo == portNo { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 424 | if operStatus == voltha.OperStatus_ACTIVE { |
| 425 | cloned.Ports[idx].OfpPort.Config = cloned.Ports[idx].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 426 | cloned.Ports[idx].OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LIVE) |
| 427 | } else { |
| 428 | cloned.Ports[idx].OfpPort.Config = cloned.Ports[idx].OfpPort.Config | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 429 | cloned.Ports[idx].OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LINK_DOWN) |
| 430 | } |
| 431 | // Update the logical device |
| 432 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 433 | log.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
| 434 | return err |
| 435 | } |
| 436 | return nil |
| 437 | } |
| 438 | } |
| 439 | return status.Errorf(codes.NotFound, "port-%d-not-exist", portNo) |
khenaidoo | 171b98e | 2019-10-31 11:48:15 -0400 | [diff] [blame] | 440 | } |
| 441 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 442 | // updatePortsState updates the ports state related to the device |
| 443 | func (agent *LogicalDeviceAgent) updatePortsState(device *voltha.Device, state voltha.AdminState_AdminState) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 444 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 445 | agent.lockLogicalDevice.Lock() |
| 446 | defer agent.lockLogicalDevice.Unlock() |
| 447 | // Get the latest logical device info |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 448 | cloned := agent.getLogicalDeviceWithoutLock() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 449 | for _, lport := range cloned.Ports { |
| 450 | if lport.DeviceId == device.Id { |
| 451 | switch state { |
| 452 | case voltha.AdminState_ENABLED: |
| 453 | lport.OfpPort.Config = lport.OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 454 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LIVE) |
| 455 | case voltha.AdminState_DISABLED: |
| 456 | lport.OfpPort.Config = lport.OfpPort.Config | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 457 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LINK_DOWN) |
| 458 | default: |
| 459 | log.Warnw("unsupported-state-change", log.Fields{"deviceId": device.Id, "state": state}) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 460 | } |
| 461 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 462 | } |
| 463 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 464 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 465 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceID, "error": err}) |
| 466 | return err |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 467 | } |
| 468 | return nil |
| 469 | } |
| 470 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 471 | // setupUNILogicalPorts creates a UNI port on the logical device that represents a child UNI interface |
| 472 | func (agent *LogicalDeviceAgent) setupUNILogicalPorts(ctx context.Context, childDevice *voltha.Device) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 473 | log.Infow("setupUNILogicalPort", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 474 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 475 | var err error |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 476 | var added bool |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 477 | //Get UNI port number |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 478 | for _, port := range childDevice.Ports { |
| 479 | if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 480 | if added, err = agent.addUNILogicalPort(childDevice, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 481 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 482 | } |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 483 | if added { |
| 484 | agent.addLogicalPortToMap(port.PortNo, false) |
| 485 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 486 | } |
| 487 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 488 | return err |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 489 | } |
| 490 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 491 | // deleteAllLogicalPorts deletes all logical ports associated with this device |
| 492 | func (agent *LogicalDeviceAgent) deleteAllLogicalPorts(device *voltha.Device) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 493 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 494 | agent.lockLogicalDevice.Lock() |
| 495 | defer agent.lockLogicalDevice.Unlock() |
| 496 | // Get the latest logical device info |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 497 | ld := agent.getLogicalDeviceWithoutLock() |
| 498 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 499 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 500 | updateLogicalPorts := []*voltha.LogicalPort{} |
| 501 | for _, lport := range cloned.Ports { |
| 502 | if lport.DeviceId != device.Id { |
| 503 | updateLogicalPorts = append(updateLogicalPorts, lport) |
| 504 | } |
| 505 | } |
| 506 | if len(updateLogicalPorts) < len(cloned.Ports) { |
| 507 | cloned.Ports = updateLogicalPorts |
| 508 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 509 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 510 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceID, "error": err}) |
| 511 | return err |
| 512 | } |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 513 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 514 | log.Debugw("no-change-required", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 515 | } |
| 516 | return nil |
| 517 | } |
| 518 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 519 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 520 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(logicalDevice *voltha.LogicalDevice) error { |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 521 | updateCtx := context.WithValue(context.Background(), model.RequestTimestamp, time.Now().UnixNano()) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 522 | afterUpdate, err := agent.clusterDataProxy.Update(updateCtx, "/logical_devices/"+agent.logicalDeviceID, logicalDevice, false, "") |
| 523 | if err != nil { |
| 524 | log.Errorw("failed-to-update-logical-devices-to-cluster-proxy", log.Fields{"error": err}) |
| 525 | return err |
| 526 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 527 | if afterUpdate == nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 528 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceID) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 529 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 530 | agent.logicalDevice = (proto.Clone(logicalDevice)).(*voltha.LogicalDevice) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 531 | return nil |
| 532 | } |
| 533 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 534 | //generateDeviceGraphIfNeeded generates the device graph if the logical device has been updated since the last time |
| 535 | //that device graph was generated. |
| 536 | func (agent *LogicalDeviceAgent) generateDeviceGraphIfNeeded() error { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 537 | ld := agent.GetLogicalDevice() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 538 | agent.lockDeviceGraph.Lock() |
| 539 | defer agent.lockDeviceGraph.Unlock() |
| 540 | if agent.deviceGraph != nil && agent.deviceGraph.IsUpToDate(ld) { |
| 541 | return nil |
| 542 | } |
| 543 | log.Debug("Generation of device graph required") |
| 544 | agent.generateDeviceGraph() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 545 | return nil |
| 546 | } |
| 547 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 548 | //updateFlowTable updates the flow table of that logical device |
| 549 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
| 550 | log.Debug("updateFlowTable") |
| 551 | if flow == nil { |
| 552 | return nil |
| 553 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 554 | if err := agent.generateDeviceGraphIfNeeded(); err != nil { |
| 555 | return err |
| 556 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 557 | switch flow.GetCommand() { |
| 558 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
| 559 | return agent.flowAdd(flow) |
| 560 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
| 561 | return agent.flowDelete(flow) |
| 562 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
| 563 | return agent.flowDeleteStrict(flow) |
| 564 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 565 | return agent.flowModify(flow) |
| 566 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 567 | return agent.flowModifyStrict(flow) |
| 568 | } |
| 569 | return status.Errorf(codes.Internal, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 570 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceID, flow.GetCommand()) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 571 | } |
| 572 | |
| 573 | //updateGroupTable updates the group table of that logical device |
| 574 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
| 575 | log.Debug("updateGroupTable") |
| 576 | if groupMod == nil { |
| 577 | return nil |
| 578 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 579 | if err := agent.generateDeviceGraphIfNeeded(); err != nil { |
| 580 | return err |
| 581 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 582 | switch groupMod.GetCommand() { |
| 583 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
| 584 | return agent.groupAdd(groupMod) |
| 585 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
| 586 | return agent.groupDelete(groupMod) |
| 587 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
| 588 | return agent.groupModify(groupMod) |
| 589 | } |
| 590 | return status.Errorf(codes.Internal, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 591 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceID, groupMod.GetCommand()) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 592 | } |
| 593 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 594 | // updateMeterTable updates the meter table of that logical device |
| 595 | func (agent *LogicalDeviceAgent) updateMeterTable(ctx context.Context, meterMod *ofp.OfpMeterMod) error { |
| 596 | log.Debug("updateMeterTable") |
| 597 | if meterMod == nil { |
| 598 | return nil |
| 599 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 600 | if err := agent.generateDeviceGraphIfNeeded(); err != nil { |
| 601 | return err |
| 602 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 603 | switch meterMod.GetCommand() { |
| 604 | case ofp.OfpMeterModCommand_OFPMC_ADD: |
| 605 | return agent.meterAdd(meterMod) |
| 606 | case ofp.OfpMeterModCommand_OFPMC_DELETE: |
| 607 | return agent.meterDelete(meterMod) |
| 608 | case ofp.OfpMeterModCommand_OFPMC_MODIFY: |
| 609 | return agent.meterModify(meterMod) |
| 610 | } |
| 611 | return status.Errorf(codes.Internal, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 612 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceID, meterMod.GetCommand()) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 613 | |
| 614 | } |
| 615 | |
| 616 | func (agent *LogicalDeviceAgent) meterAdd(meterMod *ofp.OfpMeterMod) error { |
| 617 | log.Debugw("meterAdd", log.Fields{"metermod": *meterMod}) |
| 618 | if meterMod == nil { |
| 619 | return nil |
| 620 | } |
| 621 | log.Debug("Waiting for logical device lock!!") |
| 622 | agent.lockLogicalDevice.Lock() |
| 623 | defer agent.lockLogicalDevice.Unlock() |
| 624 | log.Debug("Acquired logical device lock") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 625 | lDevice := agent.getLogicalDeviceWithoutLock() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 626 | |
| 627 | var meters []*ofp.OfpMeterEntry |
| 628 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 629 | meters = lDevice.Meters.Items |
| 630 | } |
| 631 | log.Debugw("Available meters", log.Fields{"meters": meters}) |
| 632 | |
| 633 | for _, meter := range meters { |
| 634 | if meterMod.MeterId == meter.Config.MeterId { |
| 635 | log.Infow("Meter-already-exists", log.Fields{"meter": *meterMod}) |
| 636 | return nil |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | meterEntry := fu.MeterEntryFromMeterMod(meterMod) |
| 641 | meters = append(meters, meterEntry) |
| 642 | //Update model |
| 643 | if err := agent.updateLogicalDeviceMetersWithoutLock(&ofp.Meters{Items: meters}); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 644 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 645 | return err |
| 646 | } |
| 647 | log.Debugw("Meter-added-successfully", log.Fields{"Added-meter": meterEntry, "updated-meters": lDevice.Meters}) |
| 648 | return nil |
| 649 | } |
| 650 | |
| 651 | func (agent *LogicalDeviceAgent) meterDelete(meterMod *ofp.OfpMeterMod) error { |
| 652 | log.Debug("meterDelete", log.Fields{"meterMod": *meterMod}) |
| 653 | if meterMod == nil { |
| 654 | return nil |
| 655 | } |
| 656 | agent.lockLogicalDevice.Lock() |
| 657 | defer agent.lockLogicalDevice.Unlock() |
| 658 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 659 | lDevice := agent.getLogicalDeviceWithoutLock() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 660 | |
| 661 | var meters []*ofp.OfpMeterEntry |
| 662 | var flows []*ofp.OfpFlowStats |
| 663 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
| 664 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 665 | meters = lDevice.Meters.Items |
| 666 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 667 | |
| 668 | changedMeter := false |
| 669 | changedFow := false |
| 670 | log.Debugw("Available meters", log.Fields{"meters": meters}) |
| 671 | for index, meter := range meters { |
| 672 | if meterMod.MeterId == meter.Config.MeterId { |
| 673 | flows = lDevice.Flows.Items |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 674 | changedFow, updatedFlows = agent.getUpdatedFlowsAfterDeletebyMeterID(flows, meterMod.MeterId) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 675 | meters = append(meters[:index], meters[index+1:]...) |
| 676 | log.Debugw("Meter has been deleted", log.Fields{"meter": meter, "index": index}) |
| 677 | changedMeter = true |
| 678 | break |
| 679 | } |
| 680 | } |
| 681 | if changedMeter { |
| 682 | //Update model |
| 683 | metersToUpdate := &ofp.Meters{} |
| 684 | if lDevice.Meters != nil { |
| 685 | metersToUpdate = &ofp.Meters{Items: meters} |
| 686 | } |
| 687 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 688 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 689 | return err |
| 690 | } |
| 691 | log.Debug("Meter-deleted-from-DB-successfully", log.Fields{"updatedMeters": metersToUpdate, "no-of-meter": len(metersToUpdate.Items)}) |
| 692 | |
| 693 | } |
| 694 | if changedFow { |
| 695 | //Update model |
| 696 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: updatedFlows}); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 697 | log.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 698 | return err |
| 699 | } |
| 700 | log.Debug("Flows-associated-with-meter-deleted-from-DB-successfully", |
| 701 | log.Fields{"updated-no-of-flows": len(updatedFlows), "meter": meterMod.MeterId}) |
| 702 | } |
| 703 | log.Debugw("meterDelete success", log.Fields{"meterID": meterMod.MeterId}) |
| 704 | return nil |
| 705 | } |
| 706 | |
| 707 | func (agent *LogicalDeviceAgent) meterModify(meterMod *ofp.OfpMeterMod) error { |
| 708 | log.Debug("meterModify") |
| 709 | if meterMod == nil { |
| 710 | return nil |
| 711 | } |
| 712 | agent.lockLogicalDevice.Lock() |
| 713 | defer agent.lockLogicalDevice.Unlock() |
| 714 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 715 | lDevice := agent.getLogicalDeviceWithoutLock() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 716 | |
| 717 | var meters []*ofp.OfpMeterEntry |
| 718 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 719 | meters = lDevice.Meters.Items |
| 720 | } |
| 721 | changedMeter := false |
| 722 | for index, meter := range meters { |
| 723 | if meterMod.MeterId == meter.Config.MeterId { |
| 724 | newmeterEntry := fu.MeterEntryFromMeterMod(meterMod) |
| 725 | newmeterEntry.Stats.FlowCount = meter.Stats.FlowCount |
| 726 | meters[index] = newmeterEntry |
| 727 | changedMeter = true |
| 728 | log.Debugw("Found meter, replaced with new meter", log.Fields{"old meter": meter, "new meter": newmeterEntry}) |
| 729 | break |
| 730 | } |
| 731 | } |
| 732 | if changedMeter { |
| 733 | //Update model |
| 734 | metersToUpdate := &ofp.Meters{} |
| 735 | if lDevice.Meters != nil { |
| 736 | metersToUpdate = &ofp.Meters{Items: meters} |
| 737 | } |
| 738 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 739 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 740 | return err |
| 741 | } |
| 742 | log.Debugw("meter-updated-in-DB-successfully", log.Fields{"updated_meters": meters}) |
| 743 | return nil |
| 744 | } |
| 745 | |
| 746 | log.Errorw("Meter not found ", log.Fields{"meter": meterMod}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 747 | return fmt.Errorf("no-logical-device-present:%d", meterMod.MeterId) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 748 | |
| 749 | } |
| 750 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 751 | func (agent *LogicalDeviceAgent) getUpdatedFlowsAfterDeletebyMeterID(flows []*ofp.OfpFlowStats, meterID uint32) (bool, []*ofp.OfpFlowStats) { |
| 752 | log.Infow("Delete flows matching meter", log.Fields{"meter": meterID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 753 | changed := false |
| 754 | //updatedFlows := make([]*ofp.OfpFlowStats, 0) |
| 755 | for index := len(flows) - 1; index >= 0; index-- { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 756 | if mID := fu.GetMeterIdFromFlow(flows[index]); mID != 0 && mID == meterID { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 757 | log.Debugw("Flow to be deleted", log.Fields{"flow": flows[index], "index": index}) |
| 758 | flows = append(flows[:index], flows[index+1:]...) |
| 759 | changed = true |
| 760 | } |
| 761 | } |
| 762 | return changed, flows |
| 763 | } |
| 764 | |
| 765 | func (agent *LogicalDeviceAgent) updateFlowCountOfMeterStats(modCommand *ofp.OfpFlowMod, meters []*ofp.OfpMeterEntry, flow *ofp.OfpFlowStats) bool { |
| 766 | |
| 767 | flowCommand := modCommand.GetCommand() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 768 | meterID := fu.GetMeterIdFromFlow(flow) |
| 769 | log.Debugw("Meter-id-in-flow-mod", log.Fields{"meterId": meterID}) |
| 770 | if meterID == 0 { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 771 | log.Debugw("No meter present in the flow", log.Fields{"flow": *flow}) |
| 772 | return false |
| 773 | } |
| 774 | if meters == nil { |
| 775 | log.Debug("No meters present in logical device") |
| 776 | return false |
| 777 | } |
| 778 | changedMeter := false |
| 779 | for _, meter := range meters { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 780 | if meterID == meter.Config.MeterId { // Found meter in Logicaldevice |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 781 | if flowCommand == ofp.OfpFlowModCommand_OFPFC_ADD { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 782 | meter.Stats.FlowCount++ |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 783 | changedMeter = true |
| 784 | } else if flowCommand == ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 785 | meter.Stats.FlowCount-- |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 786 | changedMeter = true |
| 787 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 788 | log.Debugw("Found meter, updated meter flow stats", log.Fields{" meterId": meterID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 789 | break |
| 790 | } |
| 791 | } |
| 792 | return changedMeter |
| 793 | } |
| 794 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 795 | //flowAdd adds a flow to the flow table of that logical device |
| 796 | func (agent *LogicalDeviceAgent) flowAdd(mod *ofp.OfpFlowMod) error { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 797 | log.Debugw("flowAdd", log.Fields{"flow": mod}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 798 | if mod == nil { |
| 799 | return nil |
| 800 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 801 | agent.lockLogicalDevice.Lock() |
| 802 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 803 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 804 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 805 | |
| 806 | var flows []*ofp.OfpFlowStats |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 807 | var meters []*ofp.OfpMeterEntry |
| 808 | var flow *ofp.OfpFlowStats |
| 809 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 810 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 811 | flows = lDevice.Flows.Items |
| 812 | } |
| 813 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 814 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 815 | meters = lDevice.Meters.Items |
| 816 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 817 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 818 | changed := false |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 819 | updated := false |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 820 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 821 | if checkOverlap { |
| 822 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 823 | // TODO: should this error be notified other than being logged? |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 824 | log.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 825 | } else { |
Matt Jeanneret | 518b5a4 | 2019-10-29 10:30:46 -0400 | [diff] [blame] | 826 | // Add flow |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 827 | flow = fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 828 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 829 | updatedFlows = append(updatedFlows, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 830 | changed = true |
| 831 | } |
| 832 | } else { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 833 | flow = fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 834 | idx := fu.FindFlows(flows, flow) |
| 835 | if idx >= 0 { |
| 836 | oldFlow := flows[idx] |
| 837 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 838 | flow.ByteCount = oldFlow.ByteCount |
| 839 | flow.PacketCount = oldFlow.PacketCount |
| 840 | } |
Matt Jeanneret | 518b5a4 | 2019-10-29 10:30:46 -0400 | [diff] [blame] | 841 | if !reflect.DeepEqual(oldFlow, flow) { |
| 842 | flows[idx] = flow |
| 843 | updatedFlows = append(updatedFlows, flow) |
| 844 | changed = true |
| 845 | updated = true |
| 846 | } |
| 847 | } else { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 848 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 849 | updatedFlows = append(updatedFlows, flow) |
| 850 | changed = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 851 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 852 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 853 | log.Debugw("flowAdd-changed", log.Fields{"changed": changed}) |
| 854 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 855 | if changed { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 856 | var flowMetadata voltha.FlowMetadata |
| 857 | if err := agent.GetMeterConfig(updatedFlows, meters, &flowMetadata); err != nil { // This should never happen,meters should be installed before flow arrives |
| 858 | log.Error("Meter-referred-in-flows-not-present") |
| 859 | return err |
| 860 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 861 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: updatedFlows}, *lDevice.FlowGroups) |
| 862 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 863 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 864 | if err := agent.addDeviceFlowsAndGroups(deviceRules, &flowMetadata); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 865 | log.Errorw("failure-updating-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "error": err}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 866 | return err |
| 867 | } |
| 868 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 869 | // Update model |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 870 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 871 | log.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 872 | return err |
| 873 | } |
Matt Jeanneret | 518b5a4 | 2019-10-29 10:30:46 -0400 | [diff] [blame] | 874 | if !updated { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 875 | changedMeterStats := agent.updateFlowCountOfMeterStats(mod, meters, flow) |
| 876 | metersToUpdate := &ofp.Meters{} |
| 877 | if lDevice.Meters != nil { |
| 878 | metersToUpdate = &ofp.Meters{Items: meters} |
| 879 | } |
| 880 | if changedMeterStats { |
| 881 | //Update model |
| 882 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 883 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 884 | return err |
| 885 | } |
| 886 | log.Debugw("meter-stats-updated-in-DB-successfully", log.Fields{"updated_meters": meters}) |
| 887 | |
| 888 | } |
| 889 | } |
| 890 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 891 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 892 | return nil |
| 893 | } |
| 894 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 895 | // GetMeterConfig returns meter config |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 896 | func (agent *LogicalDeviceAgent) GetMeterConfig(flows []*ofp.OfpFlowStats, meters []*ofp.OfpMeterEntry, metadata *voltha.FlowMetadata) error { |
| 897 | m := make(map[uint32]bool) |
| 898 | for _, flow := range flows { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 899 | if flowMeterID := fu.GetMeterIdFromFlow(flow); flowMeterID != 0 && !m[flowMeterID] { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 900 | foundMeter := false |
| 901 | // Meter is present in the flow , Get from logical device |
| 902 | for _, meter := range meters { |
| 903 | if flowMeterID == meter.Config.MeterId { |
| 904 | metadata.Meters = append(metadata.Meters, meter.Config) |
| 905 | log.Debugw("Found meter in logical device", |
| 906 | log.Fields{"meterID": flowMeterID, "meter-band": meter.Config}) |
| 907 | m[flowMeterID] = true |
| 908 | foundMeter = true |
| 909 | break |
| 910 | } |
| 911 | } |
| 912 | if !foundMeter { |
| 913 | log.Errorw("Meter-referred-by-flow-is-not-found-in-logicaldevice", |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 914 | log.Fields{"meterID": flowMeterID, "Available-meters": meters, "flow": *flow}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 915 | return errors.New("Meter-referred-by-flow-is-not-found-in-logicaldevice") |
| 916 | } |
| 917 | } |
| 918 | } |
| 919 | log.Debugw("meter-bands-for-flows", log.Fields{"flows": len(flows), "metadata": metadata}) |
| 920 | return nil |
| 921 | |
| 922 | } |
| 923 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 924 | //flowDelete deletes a flow from the flow table of that logical device |
| 925 | func (agent *LogicalDeviceAgent) flowDelete(mod *ofp.OfpFlowMod) error { |
| 926 | log.Debug("flowDelete") |
| 927 | if mod == nil { |
| 928 | return nil |
| 929 | } |
| 930 | agent.lockLogicalDevice.Lock() |
| 931 | defer agent.lockLogicalDevice.Unlock() |
| 932 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 933 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 934 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 935 | var meters []*ofp.OfpMeterEntry |
| 936 | var flows []*ofp.OfpFlowStats |
| 937 | |
| 938 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 939 | flows = lDevice.Flows.Items |
| 940 | } |
| 941 | |
| 942 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 943 | meters = lDevice.Meters.Items |
| 944 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 945 | //build a list of what to keep vs what to delete |
| 946 | toKeep := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 947 | toDelete := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 948 | for _, f := range flows { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 949 | // Check whether the flow and the flowmod matches |
| 950 | if fu.FlowMatch(f, fu.FlowStatsEntryFromFlowModMessage(mod)) { |
| 951 | toDelete = append(toDelete, f) |
| 952 | continue |
| 953 | } |
| 954 | // Check wild card match |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 955 | if !fu.FlowMatchesMod(f, mod) { |
| 956 | toKeep = append(toKeep, f) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 957 | } else { |
| 958 | toDelete = append(toDelete, f) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 959 | } |
| 960 | } |
| 961 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 962 | log.Debugw("flowDelete", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "toKeep": len(toKeep), "toDelete": toDelete}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 963 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 964 | //Update flows |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 965 | if len(toDelete) > 0 { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 966 | var flowMetadata voltha.FlowMetadata |
| 967 | if err := agent.GetMeterConfig(toDelete, meters, &flowMetadata); err != nil { // This should never happen |
| 968 | log.Error("Meter-referred-in-flows-not-present") |
| 969 | return errors.New("Meter-referred-in-flows-not-present") |
| 970 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 971 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: toDelete}, ofp.FlowGroups{}) |
| 972 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 973 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 974 | if err := agent.deleteDeviceFlowsAndGroups(deviceRules, &flowMetadata); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 975 | log.Errorw("failure-updating-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "error": err}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 976 | return err |
| 977 | } |
| 978 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 979 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 980 | log.Errorw("cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 981 | return err |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | //TODO: send announcement on delete |
| 986 | return nil |
| 987 | } |
| 988 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 989 | func (agent *LogicalDeviceAgent) addDeviceFlowsAndGroups(deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 990 | log.Debugw("addDeviceFlowsAndGroups", log.Fields{"logicalDeviceID": agent.logicalDeviceID, "deviceRules": deviceRules, "flowMetadata": flowMetadata}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 991 | |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 992 | responses := make([]coreutils.Response, 0) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 993 | for deviceID, value := range deviceRules.GetRules() { |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 994 | response := coreutils.NewResponse() |
| 995 | responses = append(responses, response) |
| 996 | go func(deviceId string, value *fu.FlowsAndGroups) { |
| 997 | if err := agent.deviceMgr.addFlowsAndGroups(deviceId, value.ListFlows(), value.ListGroups(), flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 998 | log.Errorw("flow-add-failed", log.Fields{"deviceID": deviceId, "error": err}) |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 999 | response.Error(status.Errorf(codes.Internal, "flow-add-failed: %s", deviceId)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1000 | } |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1001 | response.Done() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1002 | }(deviceID, value) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1003 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1004 | // Wait for completion |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1005 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, responses...); res != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1006 | return status.Errorf(codes.Aborted, "errors-%s", res) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1007 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1008 | return nil |
| 1009 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1010 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1011 | func (agent *LogicalDeviceAgent) deleteDeviceFlowsAndGroups(deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1012 | log.Debugw("deleteDeviceFlowsAndGroups", log.Fields{"logicalDeviceID": agent.logicalDeviceID}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1013 | |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1014 | responses := make([]coreutils.Response, 0) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1015 | for deviceID, value := range deviceRules.GetRules() { |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1016 | response := coreutils.NewResponse() |
| 1017 | responses = append(responses, response) |
| 1018 | go func(deviceId string, value *fu.FlowsAndGroups) { |
| 1019 | if err := agent.deviceMgr.deleteFlowsAndGroups(deviceId, value.ListFlows(), value.ListGroups(), flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1020 | log.Error("flow-delete-failed", log.Fields{"deviceID": deviceId, "error": err}) |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1021 | response.Error(status.Errorf(codes.Internal, "flow-delete-failed: %s", deviceId)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1022 | } |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1023 | response.Done() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1024 | }(deviceID, value) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1025 | } |
| 1026 | // Wait for completion |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1027 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, responses...); res != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1028 | return status.Errorf(codes.Aborted, "errors-%s", res) |
| 1029 | } |
| 1030 | return nil |
| 1031 | } |
| 1032 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1033 | func (agent *LogicalDeviceAgent) updateDeviceFlowsAndGroups(deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1034 | log.Debugw("updateDeviceFlowsAndGroups", log.Fields{"logicalDeviceID": agent.logicalDeviceID}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1035 | |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1036 | responses := make([]coreutils.Response, 0) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1037 | for deviceID, value := range deviceRules.GetRules() { |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1038 | response := coreutils.NewResponse() |
| 1039 | responses = append(responses, response) |
| 1040 | go func(deviceId string, value *fu.FlowsAndGroups) { |
| 1041 | if err := agent.deviceMgr.updateFlowsAndGroups(deviceId, value.ListFlows(), value.ListGroups(), flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1042 | log.Error("flow-update-failed", log.Fields{"deviceID": deviceId, "error": err}) |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1043 | response.Error(status.Errorf(codes.Internal, "flow-update-failed: %s", deviceId)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1044 | } |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1045 | response.Done() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1046 | }(deviceID, value) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1047 | } |
| 1048 | // Wait for completion |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1049 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, responses...); res != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1050 | return status.Errorf(codes.Aborted, "errors-%s", res) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1051 | } |
| 1052 | return nil |
| 1053 | } |
| 1054 | |
| 1055 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
| 1056 | func (agent *LogicalDeviceAgent) flowDeleteStrict(mod *ofp.OfpFlowMod) error { |
| 1057 | log.Debug("flowDeleteStrict") |
| 1058 | if mod == nil { |
| 1059 | return nil |
| 1060 | } |
| 1061 | agent.lockLogicalDevice.Lock() |
| 1062 | defer agent.lockLogicalDevice.Unlock() |
| 1063 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1064 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1065 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1066 | var meters []*ofp.OfpMeterEntry |
| 1067 | var flows []*ofp.OfpFlowStats |
| 1068 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 1069 | meters = lDevice.Meters.Items |
| 1070 | } |
| 1071 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 1072 | flows = lDevice.Flows.Items |
| 1073 | } |
| 1074 | |
| 1075 | changedFlow := false |
| 1076 | changedMeter := false |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1077 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1078 | flowsToDelete := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1079 | idx := fu.FindFlows(flows, flow) |
| 1080 | if idx >= 0 { |
Gamze Abaka | 6e4ac16 | 2019-10-21 11:10:10 +0000 | [diff] [blame] | 1081 | changedMeter = agent.updateFlowCountOfMeterStats(mod, meters, flows[idx]) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1082 | flowsToDelete = append(flowsToDelete, flows[idx]) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1083 | flows = append(flows[:idx], flows[idx+1:]...) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1084 | changedFlow = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1085 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1086 | return fmt.Errorf("Cannot delete flow - %s", flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1087 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1088 | if changedMeter { |
| 1089 | //Update model |
| 1090 | metersToUpdate := &ofp.Meters{} |
| 1091 | if lDevice.Meters != nil { |
| 1092 | metersToUpdate = &ofp.Meters{Items: meters} |
| 1093 | } |
| 1094 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1095 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1096 | return err |
| 1097 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1098 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1099 | } |
| 1100 | if changedFlow { |
| 1101 | var flowMetadata voltha.FlowMetadata |
| 1102 | if err := agent.GetMeterConfig(flowsToDelete, meters, &flowMetadata); err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 1103 | log.Error("meter-referred-in-flows-not-present") |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1104 | return err |
| 1105 | } |
| 1106 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: flowsToDelete}, ofp.FlowGroups{}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1107 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 1108 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1109 | if err := agent.deleteDeviceFlowsAndGroups(deviceRules, &flowMetadata); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1110 | log.Errorw("failure-deleting-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "error": err}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1111 | return err |
| 1112 | } |
| 1113 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1114 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 1115 | log.Errorw("cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1116 | return err |
| 1117 | } |
| 1118 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1119 | return nil |
| 1120 | } |
| 1121 | |
| 1122 | //flowModify modifies a flow from the flow table of that logical device |
| 1123 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 1124 | return errors.New("flowModify not implemented") |
| 1125 | } |
| 1126 | |
| 1127 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 1128 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 1129 | return errors.New("flowModifyStrict not implemented") |
| 1130 | } |
| 1131 | |
| 1132 | func (agent *LogicalDeviceAgent) groupAdd(groupMod *ofp.OfpGroupMod) error { |
| 1133 | log.Debug("groupAdd") |
| 1134 | if groupMod == nil { |
| 1135 | return nil |
| 1136 | } |
| 1137 | agent.lockLogicalDevice.Lock() |
| 1138 | defer agent.lockLogicalDevice.Unlock() |
| 1139 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1140 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1141 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1142 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1143 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1144 | groups = append(groups, fu.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1145 | |
Esin Karaman | 2ea5921 | 2019-12-06 11:41:58 +0000 | [diff] [blame] | 1146 | deviceRules := fu.NewDeviceRules() |
| 1147 | deviceRules.CreateEntryIfNotExist(agent.rootDeviceID) |
| 1148 | fg := fu.NewFlowsAndGroups() |
| 1149 | fg.AddGroup(fu.GroupEntryFromGroupMod(groupMod)) |
| 1150 | deviceRules.AddFlowsAndGroup(agent.rootDeviceID, fg) |
| 1151 | |
| 1152 | log.Debugw("rules", log.Fields{"rules for group-add": deviceRules.String()}) |
| 1153 | if err := agent.addDeviceFlowsAndGroups(deviceRules, &voltha.FlowMetadata{}); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1154 | log.Errorw("failure-updating-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "error": err}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1155 | return err |
| 1156 | } |
| 1157 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1158 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 1159 | log.Errorw("cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1160 | return err |
| 1161 | } |
| 1162 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1163 | return fmt.Errorf("Groups %d already present", groupMod.GroupId) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1164 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1165 | return nil |
| 1166 | } |
| 1167 | |
| 1168 | func (agent *LogicalDeviceAgent) groupDelete(groupMod *ofp.OfpGroupMod) error { |
| 1169 | log.Debug("groupDelete") |
| 1170 | if groupMod == nil { |
| 1171 | return nil |
| 1172 | } |
| 1173 | agent.lockLogicalDevice.Lock() |
| 1174 | defer agent.lockLogicalDevice.Unlock() |
| 1175 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1176 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1177 | groups := lDevice.FlowGroups.Items |
| 1178 | flows := lDevice.Flows.Items |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1179 | var groupsChanged bool |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1180 | flowsChanged := false |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1181 | groupID := groupMod.GroupId |
| 1182 | if groupID == uint32(ofp.OfpGroup_OFPG_ALL) { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1183 | //TODO we must delete all flows that point to this group and |
| 1184 | //signal controller as requested by flow's flag |
| 1185 | groups = []*ofp.OfpGroupEntry{} |
| 1186 | groupsChanged = true |
| 1187 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1188 | idx := fu.FindGroup(groups, groupID) |
| 1189 | if idx == -1 { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1190 | return nil // Valid case |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1191 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1192 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupID) |
| 1193 | groups = append(groups[:idx], groups[idx+1:]...) |
| 1194 | groupsChanged = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1195 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1196 | if flowsChanged || groupsChanged { |
| 1197 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: flows}, ofp.FlowGroups{Items: groups}) |
| 1198 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 1199 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1200 | if err := agent.updateDeviceFlowsAndGroups(deviceRules, nil); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1201 | log.Errorw("failure-updating-device-flows-groups", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "error": err}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1202 | return err |
| 1203 | } |
| 1204 | } |
| 1205 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1206 | if groupsChanged { |
| 1207 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 1208 | log.Errorw("cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1209 | return err |
| 1210 | } |
| 1211 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1212 | if flowsChanged { |
| 1213 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame^] | 1214 | log.Errorw("cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1215 | return err |
| 1216 | } |
| 1217 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1218 | return nil |
| 1219 | } |
| 1220 | |
| 1221 | func (agent *LogicalDeviceAgent) groupModify(groupMod *ofp.OfpGroupMod) error { |
| 1222 | log.Debug("groupModify") |
| 1223 | if groupMod == nil { |
| 1224 | return nil |
| 1225 | } |
| 1226 | agent.lockLogicalDevice.Lock() |
| 1227 | defer agent.lockLogicalDevice.Unlock() |
| 1228 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1229 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1230 | groups := lDevice.FlowGroups.Items |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1231 | var groupsChanged bool |
| 1232 | groupID := groupMod.GroupId |
| 1233 | idx := fu.FindGroup(groups, groupID) |
| 1234 | if idx == -1 { |
| 1235 | return fmt.Errorf("group-absent:%d", groupID) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1236 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1237 | //replace existing group entry with new group definition |
| 1238 | groupEntry := fu.GroupEntryFromGroupMod(groupMod) |
| 1239 | groups[idx] = groupEntry |
| 1240 | groupsChanged = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1241 | if groupsChanged { |
Esin Karaman | 2ea5921 | 2019-12-06 11:41:58 +0000 | [diff] [blame] | 1242 | deviceRules := fu.NewDeviceRules() |
| 1243 | deviceRules.CreateEntryIfNotExist(agent.rootDeviceID) |
| 1244 | fg := fu.NewFlowsAndGroups() |
| 1245 | fg.AddGroup(fu.GroupEntryFromGroupMod(groupMod)) |
| 1246 | deviceRules.AddFlowsAndGroup(agent.rootDeviceID, fg) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1247 | |
Esin Karaman | 2ea5921 | 2019-12-06 11:41:58 +0000 | [diff] [blame] | 1248 | log.Debugw("rules", log.Fields{"rules for group-modify": deviceRules.String()}) |
| 1249 | if err := agent.updateDeviceFlowsAndGroups(deviceRules, &voltha.FlowMetadata{}); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1250 | log.Errorw("failure-updating-device-flows-groups", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "error": err}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1251 | return err |
| 1252 | } |
| 1253 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1254 | //lDevice.FlowGroups.Items = groups |
| 1255 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1256 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1257 | return err |
| 1258 | } |
| 1259 | } |
| 1260 | return nil |
| 1261 | } |
| 1262 | |
| 1263 | // deleteLogicalPort removes the logical port |
| 1264 | func (agent *LogicalDeviceAgent) deleteLogicalPort(lPort *voltha.LogicalPort) error { |
| 1265 | agent.lockLogicalDevice.Lock() |
| 1266 | defer agent.lockLogicalDevice.Unlock() |
| 1267 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1268 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
| 1269 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1270 | index := -1 |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1271 | for i, logicalPort := range logicalDevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1272 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1273 | index = i |
| 1274 | break |
| 1275 | } |
| 1276 | } |
| 1277 | if index >= 0 { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1278 | copy(logicalDevice.Ports[index:], logicalDevice.Ports[index+1:]) |
| 1279 | logicalDevice.Ports[len(logicalDevice.Ports)-1] = nil |
| 1280 | logicalDevice.Ports = logicalDevice.Ports[:len(logicalDevice.Ports)-1] |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1281 | log.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1282 | if err := agent.updateLogicalDeviceWithoutLock(logicalDevice); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1283 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1284 | return err |
| 1285 | } |
| 1286 | // Reset the logical device graph |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1287 | go agent.generateDeviceGraph() |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1288 | } |
| 1289 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 1290 | } |
| 1291 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1292 | // deleteLogicalPorts removes the logical ports associated with that deviceId |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1293 | func (agent *LogicalDeviceAgent) deleteLogicalPorts(deviceID string) error { |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1294 | agent.lockLogicalDevice.Lock() |
| 1295 | defer agent.lockLogicalDevice.Unlock() |
| 1296 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1297 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1298 | updatedLPorts := []*voltha.LogicalPort{} |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1299 | for _, logicalPort := range logicalDevice.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1300 | if logicalPort.DeviceId != deviceID { |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1301 | updatedLPorts = append(updatedLPorts, logicalPort) |
| 1302 | } |
| 1303 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1304 | logicalDevice.Ports = updatedLPorts |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1305 | log.Debugw("updated-logical-ports", log.Fields{"ports": updatedLPorts}) |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1306 | if err := agent.updateLogicalDeviceWithoutLock(logicalDevice); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1307 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1308 | return err |
| 1309 | } |
| 1310 | // Reset the logical device graph |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1311 | go agent.generateDeviceGraph() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1312 | |
| 1313 | return nil |
| 1314 | } |
| 1315 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1316 | // enableLogicalPort enables the logical port |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1317 | func (agent *LogicalDeviceAgent) enableLogicalPort(lPortID string) error { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1318 | agent.lockLogicalDevice.Lock() |
| 1319 | defer agent.lockLogicalDevice.Unlock() |
| 1320 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1321 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
| 1322 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1323 | index := -1 |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1324 | for i, logicalPort := range logicalDevice.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1325 | if logicalPort.Id == lPortID { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1326 | index = i |
| 1327 | break |
| 1328 | } |
| 1329 | } |
| 1330 | if index >= 0 { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1331 | logicalDevice.Ports[index].OfpPort.Config = logicalDevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 1332 | return agent.updateLogicalDeviceWithoutLock(logicalDevice) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1333 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1334 | return status.Errorf(codes.NotFound, "Port %s on Logical Device %s", lPortID, agent.logicalDeviceID) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | // disableLogicalPort disabled the logical port |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1338 | func (agent *LogicalDeviceAgent) disableLogicalPort(lPortID string) error { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1339 | agent.lockLogicalDevice.Lock() |
| 1340 | defer agent.lockLogicalDevice.Unlock() |
| 1341 | |
| 1342 | // Get the most up to date logical device |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1343 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1344 | index := -1 |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1345 | for i, logicalPort := range logicalDevice.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1346 | if logicalPort.Id == lPortID { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1347 | index = i |
| 1348 | break |
| 1349 | } |
| 1350 | } |
| 1351 | if index >= 0 { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1352 | logicalDevice.Ports[index].OfpPort.Config = (logicalDevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 1353 | return agent.updateLogicalDeviceWithoutLock(logicalDevice) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1354 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1355 | return status.Errorf(codes.NotFound, "Port %s on Logical Device %s", lPortID, agent.logicalDeviceID) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1356 | } |
| 1357 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1358 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) []graph.RouteHop { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1359 | log.Debugw("ROUTE", log.Fields{"len": len(agent.deviceGraph.Routes)}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1360 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1361 | log.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1362 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
| 1363 | return route |
| 1364 | } |
| 1365 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1366 | log.Warnw("no-route", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "ingress": ingress, "egress": egress}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1367 | return nil |
| 1368 | } |
| 1369 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1370 | // GetRoute returns route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1371 | func (agent *LogicalDeviceAgent) GetRoute(ingressPortNo uint32, egressPortNo uint32) []graph.RouteHop { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1372 | log.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1373 | routes := make([]graph.RouteHop, 0) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1374 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1375 | // Note: A port value of 0 is equivalent to a nil port |
| 1376 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1377 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1378 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1379 | log.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
| 1380 | if agent.isNNIPort(ingressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1381 | //This is a trap on the NNI Port |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1382 | if len(agent.deviceGraph.Routes) == 0 { |
| 1383 | // If there are no routes set (usually when the logical device has only NNI port(s), then just return an |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 1384 | // route with same IngressHop and EgressHop |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1385 | hop := graph.RouteHop{DeviceID: agent.rootDeviceID, Ingress: ingressPortNo, Egress: ingressPortNo} |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1386 | routes = append(routes, hop) |
| 1387 | routes = append(routes, hop) |
| 1388 | return routes |
| 1389 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1390 | //Return a 'half' route to make the flow decomposer logic happy |
| 1391 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1392 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1393 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 1394 | routes = append(routes, route[1]) |
| 1395 | return routes |
| 1396 | } |
| 1397 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1398 | 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] | 1399 | return nil |
| 1400 | } |
| 1401 | //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] | 1402 | var err error |
| 1403 | if egressPortNo, err = agent.getFirstNNIPort(); err != nil { |
| 1404 | log.Warnw("no-nni-port", log.Fields{"error": err}) |
| 1405 | return nil |
| 1406 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1407 | } |
| 1408 | //If ingress port is not specified (nil), it may be a wildcarded |
| 1409 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 1410 | //in which case we need to create a half-route where only the egress |
| 1411 | //hop is filled, the first hop is nil |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1412 | if ingressPortNo == 0 && agent.isNNIPort(egressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1413 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
| 1414 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1415 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1416 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 1417 | routes = append(routes, route[1]) |
| 1418 | return routes |
| 1419 | } |
| 1420 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1421 | 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] | 1422 | return nil |
| 1423 | } |
| 1424 | //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] | 1425 | if egressPortNo == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1426 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1427 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1428 | routes = append(routes, route[0]) |
| 1429 | routes = append(routes, graph.RouteHop{}) |
| 1430 | return routes |
| 1431 | } |
| 1432 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1433 | 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] | 1434 | return nil |
| 1435 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1436 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1437 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1438 | } |
| 1439 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1440 | //GetWildcardInputPorts filters out the logical port number from the set of logical ports on the device and |
| 1441 | //returns their port numbers. This function is invoked only during flow decomposition where the lock on the logical |
| 1442 | //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] | 1443 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 1444 | lPorts := make([]uint32, 0) |
| 1445 | var exclPort uint32 |
| 1446 | if len(excludePort) == 1 { |
| 1447 | exclPort = excludePort[0] |
| 1448 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1449 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1450 | for _, port := range lDevice.Ports { |
| 1451 | if port.OfpPort.PortNo != exclPort { |
| 1452 | lPorts = append(lPorts, port.OfpPort.PortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1453 | } |
| 1454 | } |
| 1455 | return lPorts |
| 1456 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1457 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1458 | // GetDeviceGraph returns device graph |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1459 | func (agent *LogicalDeviceAgent) GetDeviceGraph() *graph.DeviceGraph { |
| 1460 | return agent.deviceGraph |
| 1461 | } |
| 1462 | |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 1463 | //updateRoutes rebuilds the device graph if not done already |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1464 | func (agent *LogicalDeviceAgent) updateRoutes(device *voltha.Device, port *voltha.Port) error { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1465 | log.Debugf("updateRoutes", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "device": device.Id, "port": port}) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1466 | agent.lockLogicalDevice.Lock() |
| 1467 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1468 | if agent.deviceGraph == nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1469 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceID, agent.deviceMgr.GetDevice) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1470 | } |
| 1471 | // Get all the logical ports on that logical device |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1472 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1473 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1474 | //TODO: Find a better way to refresh only missing routes |
| 1475 | agent.deviceGraph.ComputeRoutes(lDevice.Ports) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1476 | agent.deviceGraph.Print() |
| 1477 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1478 | } |
| 1479 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1480 | //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] | 1481 | func (agent *LogicalDeviceAgent) updateDeviceGraph(lp *voltha.LogicalPort) { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1482 | log.Debugf("updateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1483 | agent.lockLogicalDevice.Lock() |
| 1484 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1485 | if agent.deviceGraph == nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1486 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceID, agent.deviceMgr.GetDevice) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1487 | } |
| 1488 | agent.deviceGraph.AddPort(lp) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1489 | agent.deviceGraph.Print() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1490 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1491 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1492 | //generateDeviceGraph regenerates the device graph |
| 1493 | func (agent *LogicalDeviceAgent) generateDeviceGraph() { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1494 | log.Debugw("generateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1495 | agent.lockLogicalDevice.Lock() |
| 1496 | defer agent.lockLogicalDevice.Unlock() |
| 1497 | // Get the latest logical device |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1498 | ld := agent.getLogicalDeviceWithoutLock() |
| 1499 | log.Debugw("generating-graph", log.Fields{"lDeviceId": agent.logicalDeviceID, "lPorts": len(ld.Ports)}) |
| 1500 | if agent.deviceGraph == nil { |
| 1501 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceID, agent.deviceMgr.GetDevice) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1502 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1503 | agent.deviceGraph.ComputeRoutes(ld.Ports) |
| 1504 | agent.deviceGraph.Print() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1505 | } |
| 1506 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1507 | // 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] | 1508 | func diff(oldList, newList []*voltha.LogicalPort) (newPorts, changedPorts, deletedPorts []*voltha.LogicalPort) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1509 | newPorts = make([]*voltha.LogicalPort, 0) |
| 1510 | changedPorts = make([]*voltha.LogicalPort, 0) |
| 1511 | deletedPorts = make([]*voltha.LogicalPort, 0) |
| 1512 | for _, o := range oldList { |
| 1513 | found := false |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1514 | for _, n := range newList { |
| 1515 | if o.Id == n.Id { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1516 | found = true |
| 1517 | break |
| 1518 | } |
| 1519 | } |
| 1520 | if !found { |
| 1521 | deletedPorts = append(deletedPorts, o) |
| 1522 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1523 | } |
| 1524 | for _, n := range newList { |
| 1525 | found := false |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1526 | changed := false |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1527 | for _, o := range oldList { |
| 1528 | if o.Id == n.Id { |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1529 | changed = !reflect.DeepEqual(o, n) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1530 | found = true |
| 1531 | break |
| 1532 | } |
| 1533 | } |
| 1534 | if !found { |
| 1535 | newPorts = append(newPorts, n) |
| 1536 | } |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1537 | if changed { |
| 1538 | changedPorts = append(changedPorts, n) |
| 1539 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1540 | } |
| 1541 | return |
| 1542 | } |
| 1543 | |
| 1544 | // portUpdated is invoked when a port is updated on the logical device. Until |
| 1545 | // the POST_ADD notification is fixed, we will use the logical device to |
| 1546 | // update that data. |
| 1547 | func (agent *LogicalDeviceAgent) portUpdated(args ...interface{}) interface{} { |
| 1548 | log.Debugw("portUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 1549 | |
| 1550 | var oldLD *voltha.LogicalDevice |
| 1551 | var newlD *voltha.LogicalDevice |
| 1552 | |
| 1553 | var ok bool |
| 1554 | if oldLD, ok = args[0].(*voltha.LogicalDevice); !ok { |
| 1555 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1556 | return nil |
| 1557 | } |
| 1558 | if newlD, ok = args[1].(*voltha.LogicalDevice); !ok { |
| 1559 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1560 | return nil |
| 1561 | } |
| 1562 | |
| 1563 | if reflect.DeepEqual(oldLD.Ports, newlD.Ports) { |
| 1564 | log.Debug("ports-have-not-changed") |
| 1565 | return nil |
| 1566 | } |
| 1567 | |
| 1568 | // Get the difference between the two list |
| 1569 | newPorts, changedPorts, deletedPorts := diff(oldLD.Ports, newlD.Ports) |
| 1570 | |
| 1571 | // Send the port change events to the OF controller |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1572 | for _, newP := range newPorts { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1573 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceID, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1574 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: newP.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1575 | } |
| 1576 | for _, change := range changedPorts { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1577 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceID, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1578 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_MODIFY, Desc: change.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1579 | } |
| 1580 | for _, del := range deletedPorts { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1581 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceID, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1582 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: del.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1583 | } |
| 1584 | |
| 1585 | return nil |
| 1586 | } |
| 1587 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1588 | // addNNILogicalPort adds an NNI port to the logical device. It returns a bool representing whether a port has been |
| 1589 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1590 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1591 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1592 | func (agent *LogicalDeviceAgent) addNNILogicalPort(device *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1593 | log.Debugw("addNNILogicalPort", log.Fields{"NNI": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1594 | if device.AdminState != voltha.AdminState_ENABLED || device.OperStatus != voltha.OperStatus_ACTIVE { |
| 1595 | log.Infow("device-not-ready", log.Fields{"deviceId": device.Id, "admin": device.AdminState, "oper": device.OperStatus}) |
| 1596 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1597 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1598 | agent.lockLogicalDevice.RLock() |
| 1599 | if agent.portExist(device, port) { |
| 1600 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1601 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1602 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1603 | } |
| 1604 | agent.lockLogicalDevice.RUnlock() |
| 1605 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1606 | var portCap *ic.PortCapability |
| 1607 | var err error |
| 1608 | // First get the port capability |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1609 | if portCap, err = agent.deviceMgr.getPortCapability(context.TODO(), device.Id, port.PortNo); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1610 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1611 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1612 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1613 | |
| 1614 | agent.lockLogicalDevice.Lock() |
| 1615 | defer agent.lockLogicalDevice.Unlock() |
| 1616 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1617 | if agent.portExist(device, port) { |
| 1618 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1619 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1620 | } |
| 1621 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1622 | portCap.Port.RootPort = true |
| 1623 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1624 | lp.DeviceId = device.Id |
| 1625 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 1626 | lp.OfpPort.PortNo = port.PortNo |
| 1627 | lp.OfpPort.Name = lp.Id |
| 1628 | lp.DevicePortNo = port.PortNo |
| 1629 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1630 | ld := agent.getLogicalDeviceWithoutLock() |
| 1631 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1632 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 1633 | if cloned.Ports == nil { |
| 1634 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1635 | } |
| 1636 | cloned.Ports = append(cloned.Ports, lp) |
| 1637 | |
| 1638 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1639 | log.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1640 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1641 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1642 | |
| 1643 | // Update the device graph with this new logical port |
| 1644 | clonedLP := (proto.Clone(lp)).(*voltha.LogicalPort) |
| 1645 | go agent.updateDeviceGraph(clonedLP) |
| 1646 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1647 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1648 | } |
| 1649 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1650 | func (agent *LogicalDeviceAgent) portExist(device *voltha.Device, port *voltha.Port) bool { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1651 | ldevice := agent.getLogicalDeviceWithoutLock() |
| 1652 | for _, lPort := range ldevice.Ports { |
| 1653 | if lPort.DeviceId == device.Id && lPort.DevicePortNo == port.PortNo && lPort.Id == port.Label { |
| 1654 | return true |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1655 | } |
| 1656 | } |
| 1657 | return false |
| 1658 | } |
| 1659 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1660 | // addUNILogicalPort adds an UNI port to the logical device. It returns a bool representing whether a port has been |
| 1661 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1662 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1663 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1664 | func (agent *LogicalDeviceAgent) addUNILogicalPort(childDevice *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1665 | log.Debugw("addUNILogicalPort", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1666 | if childDevice.AdminState != voltha.AdminState_ENABLED || childDevice.OperStatus != voltha.OperStatus_ACTIVE { |
| 1667 | log.Infow("device-not-ready", log.Fields{"deviceId": childDevice.Id, "admin": childDevice.AdminState, "oper": childDevice.OperStatus}) |
| 1668 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1669 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1670 | agent.lockLogicalDevice.RLock() |
| 1671 | if agent.portExist(childDevice, port) { |
| 1672 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1673 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1674 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1675 | } |
| 1676 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1677 | var portCap *ic.PortCapability |
| 1678 | var err error |
| 1679 | // First get the port capability |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1680 | if portCap, err = agent.deviceMgr.getPortCapability(context.TODO(), childDevice.Id, port.PortNo); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1681 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1682 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1683 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1684 | agent.lockLogicalDevice.Lock() |
| 1685 | defer agent.lockLogicalDevice.Unlock() |
| 1686 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1687 | if agent.portExist(childDevice, port) { |
| 1688 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1689 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1690 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1691 | // Get stored logical device |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1692 | ldevice := agent.getLogicalDeviceWithoutLock() |
| 1693 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1694 | log.Debugw("adding-uni", log.Fields{"deviceId": childDevice.Id}) |
| 1695 | portCap.Port.RootPort = false |
| 1696 | portCap.Port.Id = port.Label |
| 1697 | portCap.Port.OfpPort.PortNo = port.PortNo |
| 1698 | portCap.Port.DeviceId = childDevice.Id |
| 1699 | portCap.Port.DevicePortNo = port.PortNo |
| 1700 | cloned := (proto.Clone(ldevice)).(*voltha.LogicalDevice) |
| 1701 | if cloned.Ports == nil { |
| 1702 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1703 | } |
| 1704 | cloned.Ports = append(cloned.Ports, portCap.Port) |
| 1705 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1706 | return false, err |
| 1707 | } |
| 1708 | // Update the device graph with this new logical port |
| 1709 | clonedLP := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1710 | go agent.updateDeviceGraph(clonedLP) |
| 1711 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1712 | } |
| 1713 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1714 | func (agent *LogicalDeviceAgent) packetOut(packet *ofp.OfpPacketOut) { |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 1715 | log.Debugw("packet-out", log.Fields{ |
| 1716 | "packet": hex.EncodeToString(packet.Data), |
| 1717 | "inPort": packet.GetInPort(), |
| 1718 | }) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1719 | outPort := fu.GetPacketOutPort(packet) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1720 | //frame := packet.GetData() |
| 1721 | //TODO: Use a channel between the logical agent and the device agent |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1722 | if err := agent.deviceMgr.packetOut(agent.rootDeviceID, outPort, packet); err != nil { |
| 1723 | log.Error("packetout-failed", log.Fields{"logicalDeviceID": agent.rootDeviceID}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1724 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1725 | } |
| 1726 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1727 | func (agent *LogicalDeviceAgent) packetIn(port uint32, transactionID string, packet []byte) { |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 1728 | log.Debugw("packet-in", log.Fields{ |
| 1729 | "port": port, |
| 1730 | "packet": hex.EncodeToString(packet), |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1731 | "transactionId": transactionID, |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 1732 | }) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1733 | packetIn := fu.MkPacketIn(port, packet) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1734 | agent.ldeviceMgr.grpcNbiHdlr.sendPacketIn(agent.logicalDeviceID, transactionID, packetIn) |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 1735 | log.Debugw("sending-packet-in", log.Fields{"packet": hex.EncodeToString(packetIn.Data)}) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1736 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1737 | |
| 1738 | func (agent *LogicalDeviceAgent) addLogicalPortToMap(portNo uint32, nniPort bool) { |
| 1739 | agent.lockLogicalPortsNo.Lock() |
| 1740 | defer agent.lockLogicalPortsNo.Unlock() |
| 1741 | if exist := agent.logicalPortsNo[portNo]; !exist { |
| 1742 | agent.logicalPortsNo[portNo] = nniPort |
| 1743 | } |
| 1744 | } |
| 1745 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1746 | func (agent *LogicalDeviceAgent) addLogicalPortsToMap(lps []*voltha.LogicalPort) { |
| 1747 | agent.lockLogicalPortsNo.Lock() |
| 1748 | defer agent.lockLogicalPortsNo.Unlock() |
| 1749 | for _, lp := range lps { |
| 1750 | if exist := agent.logicalPortsNo[lp.DevicePortNo]; !exist { |
| 1751 | agent.logicalPortsNo[lp.DevicePortNo] = lp.RootPort |
| 1752 | } |
| 1753 | } |
| 1754 | } |
| 1755 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1756 | func (agent *LogicalDeviceAgent) isNNIPort(portNo uint32) bool { |
| 1757 | agent.lockLogicalPortsNo.RLock() |
| 1758 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1759 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1760 | return agent.logicalPortsNo[portNo] |
| 1761 | } |
| 1762 | return false |
| 1763 | } |
| 1764 | |
| 1765 | func (agent *LogicalDeviceAgent) getFirstNNIPort() (uint32, error) { |
| 1766 | agent.lockLogicalPortsNo.RLock() |
| 1767 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1768 | for portNo, nni := range agent.logicalPortsNo { |
| 1769 | if nni { |
| 1770 | return portNo, nil |
| 1771 | } |
| 1772 | } |
| 1773 | return 0, status.Error(codes.NotFound, "No NNI port found") |
| 1774 | } |