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" |
David Bainbridge | d1afd66 | 2020-03-26 18:27:41 -0700 | [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 | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 31 | "github.com/opencord/voltha-go/rw_core/route" |
Scott Baker | b671a86 | 2019-10-24 10:53:40 -0700 | [diff] [blame] | 32 | coreutils "github.com/opencord/voltha-go/rw_core/utils" |
serkant.uluderya | 2ae470f | 2020-01-21 11:13:09 -0800 | [diff] [blame] | 33 | fu "github.com/opencord/voltha-lib-go/v3/pkg/flows" |
| 34 | "github.com/opencord/voltha-lib-go/v3/pkg/log" |
| 35 | ic "github.com/opencord/voltha-protos/v3/go/inter_container" |
| 36 | ofp "github.com/opencord/voltha-protos/v3/go/openflow_13" |
| 37 | "github.com/opencord/voltha-protos/v3/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 | 442e7c7 | 2020-03-10 16:13:48 -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 |
David Bainbridge | d1afd66 | 2020-03-26 18:27:41 -0700 | [diff] [blame] | 45 | serialNumber string |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 46 | rootDeviceID string |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 47 | deviceMgr *DeviceManager |
| 48 | ldeviceMgr *LogicalDeviceManager |
| 49 | clusterDataProxy *model.Proxy |
| 50 | exitChannel chan int |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 51 | deviceRoutes *route.DeviceRoutes |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 52 | flowProxy *model.Proxy |
| 53 | groupProxy *model.Proxy |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 54 | meterProxy *model.Proxy |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 55 | ldProxy *model.Proxy |
| 56 | portProxies map[string]*model.Proxy |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 57 | lockDeviceRoutes sync.RWMutex |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 58 | logicalPortsNo map[uint32]bool //value is true for NNI port |
| 59 | lockLogicalPortsNo sync.RWMutex |
| 60 | flowDecomposer *fd.FlowDecomposer |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 61 | defaultTimeout time.Duration |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 62 | logicalDevice *voltha.LogicalDevice |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 63 | requestQueue *coreutils.RequestQueue |
| 64 | startOnce sync.Once |
| 65 | stopOnce sync.Once |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 66 | } |
| 67 | |
David Bainbridge | d1afd66 | 2020-03-26 18:27:41 -0700 | [diff] [blame] | 68 | func newLogicalDeviceAgent(id string, sn string, deviceID string, ldeviceMgr *LogicalDeviceManager, |
| 69 | deviceMgr *DeviceManager, cdProxy *model.Proxy, timeout time.Duration) *LogicalDeviceAgent { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 70 | var agent LogicalDeviceAgent |
| 71 | agent.exitChannel = make(chan int, 1) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 72 | agent.logicalDeviceID = id |
David Bainbridge | d1afd66 | 2020-03-26 18:27:41 -0700 | [diff] [blame] | 73 | agent.serialNumber = sn |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 74 | agent.rootDeviceID = deviceID |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 75 | agent.deviceMgr = deviceMgr |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 76 | agent.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 77 | agent.ldeviceMgr = ldeviceMgr |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 78 | agent.flowDecomposer = fd.NewFlowDecomposer(agent.deviceMgr) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 79 | agent.portProxies = make(map[string]*model.Proxy) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 80 | agent.logicalPortsNo = make(map[uint32]bool) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 81 | agent.defaultTimeout = timeout |
Kent Hagerman | 730cbdf | 2020-03-31 12:22:08 -0400 | [diff] [blame] | 82 | agent.requestQueue = coreutils.NewRequestQueue() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 83 | return &agent |
| 84 | } |
| 85 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 86 | // start creates the logical device and add it to the data model |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 87 | func (agent *LogicalDeviceAgent) start(ctx context.Context, loadFromDB bool) error { |
| 88 | needToStart := false |
| 89 | if agent.startOnce.Do(func() { needToStart = true }); !needToStart { |
| 90 | return nil |
| 91 | } |
| 92 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 93 | logger.Infow("starting-logical_device-agent", log.Fields{"logical-device-id": agent.logicalDeviceID, "load-from-db": loadFromDB}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 94 | |
| 95 | var startSucceeded bool |
| 96 | defer func() { |
| 97 | if !startSucceeded { |
| 98 | if err := agent.stop(ctx); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 99 | logger.Errorw("failed-to-cleanup-after-unsuccessful-start", log.Fields{"logical-device-id": agent.logicalDeviceID, "error": err}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 100 | } |
| 101 | } |
| 102 | }() |
| 103 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 104 | var ld *voltha.LogicalDevice |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 105 | if !loadFromDB { |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 106 | //Build the logical device based on information retrieved from the device adapter |
| 107 | var switchCap *ic.SwitchCapability |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 108 | var err error |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 109 | if switchCap, err = agent.deviceMgr.getSwitchCapability(ctx, agent.rootDeviceID); err != nil { |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 110 | return err |
| 111 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 112 | ld = &voltha.LogicalDevice{Id: agent.logicalDeviceID, RootDeviceId: agent.rootDeviceID} |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 113 | |
| 114 | // Create the datapath ID (uint64) using the logical device ID (based on the MAC Address) |
| 115 | var datapathID uint64 |
David Bainbridge | d1afd66 | 2020-03-26 18:27:41 -0700 | [diff] [blame] | 116 | if datapathID, err = CreateDataPathID(agent.serialNumber); err != nil { |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 117 | return err |
| 118 | } |
| 119 | ld.DatapathId = datapathID |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 120 | ld.Desc = (proto.Clone(switchCap.Desc)).(*ofp.OfpDesc) |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 121 | logger.Debugw("Switch-capability", log.Fields{"Desc": ld.Desc, "fromAd": switchCap.Desc}) |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 122 | ld.SwitchFeatures = (proto.Clone(switchCap.SwitchFeatures)).(*ofp.OfpSwitchFeatures) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 123 | ld.Flows = &ofp.Flows{Items: nil} |
| 124 | ld.FlowGroups = &ofp.FlowGroups{Items: nil} |
khenaidoo | 4908535 | 2020-01-13 19:15:43 -0500 | [diff] [blame] | 125 | ld.Ports = []*voltha.LogicalPort{} |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 126 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 127 | // Save the logical device |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 128 | added, err := agent.clusterDataProxy.AddWithID(ctx, "/logical_devices", ld.Id, ld, "") |
| 129 | if err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 130 | return err |
| 131 | } |
| 132 | if added == nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 133 | logger.Errorw("failed-to-add-logical-device", log.Fields{"logical-device-id": agent.logicalDeviceID}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 134 | } else { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 135 | logger.Debugw("logicaldevice-created", log.Fields{"logical-device-id": agent.logicalDeviceID, "root-id": ld.RootDeviceId}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 136 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 137 | |
| 138 | agent.logicalDevice = proto.Clone(ld).(*voltha.LogicalDevice) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 139 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 140 | // Setup the logicalports - internal processing, no need to propagate the client context |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 141 | go func() { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 142 | err := agent.setupLogicalPorts(context.Background()) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 143 | if err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 144 | logger.Errorw("unable-to-setup-logical-ports", log.Fields{"error": err}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 145 | } |
| 146 | }() |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 147 | } else { |
| 148 | // load from dB - the logical may not exist at this time. On error, just return and the calling function |
| 149 | // will destroy this agent. |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 150 | logicalDevice, err := agent.clusterDataProxy.Get(ctx, "/logical_devices/"+agent.logicalDeviceID, 0, true, "") |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 151 | if err != nil { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 152 | return err |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 153 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 154 | ld, ok := logicalDevice.(*voltha.LogicalDevice) |
| 155 | if !ok { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 156 | return status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceID) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 157 | } |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 158 | // Update the root device Id |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 159 | agent.rootDeviceID = ld.RootDeviceId |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 160 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 161 | // Update the last data |
| 162 | agent.logicalDevice = proto.Clone(ld).(*voltha.LogicalDevice) |
| 163 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 164 | // Setup the local list of logical ports |
| 165 | agent.addLogicalPortsToMap(ld.Ports) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 166 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 167 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 168 | var err error |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 169 | agent.flowProxy, err = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 170 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 171 | fmt.Sprintf("/logical_devices/%s/flows", agent.logicalDeviceID), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 172 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 173 | if err != nil { |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 174 | return err |
| 175 | } |
| 176 | agent.meterProxy, err = agent.clusterDataProxy.CreateProxy( |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 177 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 178 | fmt.Sprintf("/logical_devices/%s/meters", agent.logicalDeviceID), |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 179 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 180 | if err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 181 | logger.Errorw("failed-to-create-meter-proxy", log.Fields{"error": err}) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 182 | return err |
| 183 | } |
| 184 | agent.groupProxy, err = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 185 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 186 | fmt.Sprintf("/logical_devices/%s/flow_groups", agent.logicalDeviceID), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 187 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 188 | if err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 189 | logger.Errorw("failed-to-create-group-proxy", log.Fields{"error": err}) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 190 | return err |
| 191 | } |
| 192 | agent.ldProxy, err = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 193 | ctx, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 194 | fmt.Sprintf("/logical_devices/%s", agent.logicalDeviceID), |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 195 | false) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 196 | if err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 197 | logger.Errorw("failed-to-create-logical-device-proxy", log.Fields{"error": err}) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 198 | return err |
| 199 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 200 | // TODO: Use a port proxy once the POST_ADD is fixed |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 201 | if agent.ldProxy != nil { |
npujar | 9a30c70 | 2019-11-14 17:06:39 +0530 | [diff] [blame] | 202 | agent.ldProxy.RegisterCallback(model.PostUpdate, agent.portUpdated) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 203 | } else { |
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 | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 207 | // Setup the device routes. Building routes may fail if the pre-conditions are not satisfied (e.g. no PON ports present) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 208 | if loadFromDB { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 209 | go func() { |
| 210 | if err := agent.buildRoutes(context.Background()); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 211 | logger.Warn("routes-not-ready", log.Fields{"logical-device-id": agent.logicalDeviceID, "error": err}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 212 | } |
| 213 | }() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 214 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 215 | startSucceeded = true |
| 216 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 217 | return nil |
| 218 | } |
| 219 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 220 | // stop stops the logical device agent. This removes the logical device from the data model. |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 221 | func (agent *LogicalDeviceAgent) stop(ctx context.Context) error { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 222 | var returnErr error |
| 223 | agent.stopOnce.Do(func() { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 224 | logger.Info("stopping-logical_device-agent") |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 225 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 226 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 227 | // This should never happen - an error is returned only if the agent is stopped and an agent is only stopped once. |
| 228 | returnErr = err |
| 229 | return |
| 230 | } |
| 231 | defer agent.requestQueue.RequestComplete() |
| 232 | |
| 233 | //Remove the logical device from the model |
| 234 | if removed, err := agent.clusterDataProxy.Remove(ctx, "/logical_devices/"+agent.logicalDeviceID, ""); err != nil { |
| 235 | returnErr = err |
| 236 | } else if removed == nil { |
| 237 | returnErr = status.Errorf(codes.Aborted, "failed-to-remove-logical-ldevice-%s", agent.logicalDeviceID) |
| 238 | } else { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 239 | logger.Debugw("logicaldevice-removed", log.Fields{"logicaldeviceId": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 240 | } |
| 241 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 242 | close(agent.exitChannel) |
| 243 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 244 | logger.Info("logical_device-agent-stopped") |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 245 | }) |
| 246 | return returnErr |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 247 | } |
| 248 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 249 | // GetLogicalDevice returns the latest logical device data |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 250 | func (agent *LogicalDeviceAgent) GetLogicalDevice(ctx context.Context) (*voltha.LogicalDevice, error) { |
| 251 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 252 | return nil, err |
| 253 | } |
| 254 | defer agent.requestQueue.RequestComplete() |
| 255 | return proto.Clone(agent.logicalDevice).(*voltha.LogicalDevice), nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 256 | } |
| 257 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 258 | // ListLogicalDeviceFlows returns logical device flows |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 259 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlows(ctx context.Context) (*ofp.Flows, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 260 | logger.Debug("ListLogicalDeviceFlows") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 261 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 262 | logicalDevice, err := agent.GetLogicalDevice(ctx) |
| 263 | if err != nil { |
| 264 | return nil, err |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 265 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 266 | if logicalDevice.Flows == nil { |
| 267 | return &ofp.Flows{}, nil |
| 268 | } |
| 269 | return (proto.Clone(logicalDevice.Flows)).(*ofp.Flows), nil |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 270 | } |
| 271 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 272 | // ListLogicalDeviceMeters returns logical device meters |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 273 | func (agent *LogicalDeviceAgent) ListLogicalDeviceMeters(ctx context.Context) (*ofp.Meters, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 274 | logger.Debug("ListLogicalDeviceMeters") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 275 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 276 | logicalDevice, err := agent.GetLogicalDevice(ctx) |
| 277 | if err != nil { |
| 278 | return nil, err |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 279 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 280 | if logicalDevice.Meters == nil { |
| 281 | return &ofp.Meters{}, nil |
| 282 | } |
| 283 | return (proto.Clone(logicalDevice.Meters)).(*ofp.Meters), nil |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 284 | } |
| 285 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 286 | // ListLogicalDeviceFlowGroups returns logical device flow groups |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 287 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlowGroups(ctx context.Context) (*ofp.FlowGroups, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 288 | logger.Debug("ListLogicalDeviceFlowGroups") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 289 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 290 | logicalDevice, err := agent.GetLogicalDevice(ctx) |
| 291 | if err != nil { |
| 292 | return nil, err |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 293 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 294 | if logicalDevice.FlowGroups == nil { |
| 295 | return &ofp.FlowGroups{}, nil |
| 296 | } |
| 297 | return (proto.Clone(logicalDevice.FlowGroups)).(*ofp.FlowGroups), nil |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 298 | } |
| 299 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 300 | // ListLogicalDevicePorts returns logical device ports |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 301 | func (agent *LogicalDeviceAgent) ListLogicalDevicePorts(ctx context.Context) (*voltha.LogicalPorts, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 302 | logger.Debug("ListLogicalDevicePorts") |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 303 | logicalDevice, err := agent.GetLogicalDevice(ctx) |
| 304 | if err != nil { |
| 305 | return nil, err |
| 306 | } |
| 307 | if logicalDevice == nil { |
| 308 | return &voltha.LogicalPorts{}, nil |
| 309 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 310 | lPorts := make([]*voltha.LogicalPort, 0) |
| 311 | lPorts = append(lPorts, logicalDevice.Ports...) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 312 | return &voltha.LogicalPorts{Items: lPorts}, nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 313 | } |
| 314 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 315 | //updateLogicalDeviceFlowsWithoutLock updates the logical device with the latest flows in the model. |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 316 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowsWithoutLock(ctx context.Context, flows *ofp.Flows) error { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 317 | ld := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 318 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 319 | logger.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 320 | ld.Flows = flows |
| 321 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 322 | if err := agent.updateLogicalDeviceWithoutLock(ctx, ld); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 323 | logger.Errorw("error-updating-logical-device-with-flows", log.Fields{"error": err}) |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 324 | return err |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 325 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 326 | return nil |
| 327 | } |
| 328 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 329 | //updateLogicalDeviceMetersWithoutLock updates the logical device with the meters info |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 330 | func (agent *LogicalDeviceAgent) updateLogicalDeviceMetersWithoutLock(ctx context.Context, meters *ofp.Meters) error { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 331 | ld := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 332 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 333 | logger.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 334 | ld.Meters = meters |
| 335 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 336 | if err := agent.updateLogicalDeviceWithoutLock(ctx, ld); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 337 | logger.Errorw("error-updating-logical-device-with-meters", log.Fields{"error": err}) |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 338 | return err |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 339 | } |
| 340 | return nil |
| 341 | } |
| 342 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 343 | //updateLogicalDeviceFlowGroupsWithoutLock updates the logical device with the flow groups |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 344 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowGroupsWithoutLock(ctx context.Context, flowGroups *ofp.FlowGroups) error { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 345 | ld := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 346 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 347 | logger.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 348 | ld.FlowGroups = flowGroups |
| 349 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 350 | if err := agent.updateLogicalDeviceWithoutLock(ctx, ld); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 351 | logger.Errorw("error-updating-logical-device-with-flowgroups", log.Fields{"error": err}) |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 352 | return err |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 353 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 354 | return nil |
| 355 | } |
| 356 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 357 | // getLogicalDeviceWithoutLock returns a cloned logical device to a function that already holds the agent lock. |
| 358 | func (agent *LogicalDeviceAgent) getLogicalDeviceWithoutLock() *voltha.LogicalDevice { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 359 | logger.Debug("getLogicalDeviceWithoutLock") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 360 | return proto.Clone(agent.logicalDevice).(*voltha.LogicalDevice) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 361 | } |
| 362 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 363 | func (agent *LogicalDeviceAgent) updateLogicalPort(ctx context.Context, device *voltha.Device, port *voltha.Port) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 364 | logger.Debugw("updateLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 365 | var err error |
| 366 | if port.Type == voltha.Port_ETHERNET_NNI { |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 367 | if _, err = agent.addNNILogicalPort(ctx, device, port); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 368 | return err |
| 369 | } |
| 370 | agent.addLogicalPortToMap(port.PortNo, true) |
| 371 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 372 | if _, err = agent.addUNILogicalPort(ctx, device, port); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 373 | return err |
| 374 | } |
| 375 | agent.addLogicalPortToMap(port.PortNo, false) |
| 376 | } else { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 377 | // Update the device routes to ensure all routes on the logical device have been calculated |
| 378 | if err = agent.buildRoutes(ctx); err != nil { |
| 379 | // Not an error - temporary state |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 380 | logger.Warnw("failed-to-update-routes", log.Fields{"device-id": device.Id, "port": port, "error": err}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 381 | } |
| 382 | } |
| 383 | return nil |
| 384 | } |
| 385 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 386 | // setupLogicalPorts is invoked once the logical device has been created and is ready to get ports |
| 387 | // added to it. While the logical device was being created we could have received requests to add |
| 388 | // NNI and UNI ports which were discarded. Now is the time to add them if needed |
| 389 | func (agent *LogicalDeviceAgent) setupLogicalPorts(ctx context.Context) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 390 | logger.Infow("setupLogicalPorts", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 391 | // First add any NNI ports which could have been missing |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 392 | if err := agent.setupNNILogicalPorts(ctx, agent.rootDeviceID); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 393 | logger.Errorw("error-setting-up-NNI-ports", log.Fields{"error": err, "deviceId": agent.rootDeviceID}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 394 | return err |
| 395 | } |
| 396 | |
| 397 | // Now, set up the UNI ports if needed. |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 398 | children, err := agent.deviceMgr.getAllChildDevices(ctx, agent.rootDeviceID) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 399 | if err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 400 | logger.Errorw("error-getting-child-devices", log.Fields{"error": err, "deviceId": agent.rootDeviceID}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 401 | return err |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 402 | } |
| 403 | responses := make([]coreutils.Response, 0) |
| 404 | for _, child := range children.Items { |
| 405 | response := coreutils.NewResponse() |
| 406 | responses = append(responses, response) |
| 407 | go func(child *voltha.Device) { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 408 | if err = agent.setupUNILogicalPorts(context.Background(), child); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 409 | logger.Error("setting-up-UNI-ports-failed", log.Fields{"deviceID": child.Id}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 410 | response.Error(status.Errorf(codes.Internal, "UNI-ports-setup-failed: %s", child.Id)) |
| 411 | } |
| 412 | response.Done() |
| 413 | }(child) |
| 414 | } |
| 415 | // Wait for completion |
| 416 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, responses...); res != nil { |
| 417 | return status.Errorf(codes.Aborted, "errors-%s", res) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 418 | } |
| 419 | return nil |
| 420 | } |
| 421 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 422 | // 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] | 423 | func (agent *LogicalDeviceAgent) setupNNILogicalPorts(ctx context.Context, deviceID string) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 424 | logger.Infow("setupNNILogicalPorts-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 425 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 426 | var err error |
| 427 | |
| 428 | var device *voltha.Device |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 429 | if device, err = agent.deviceMgr.GetDevice(ctx, deviceID); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 430 | logger.Errorw("error-retrieving-device", log.Fields{"error": err, "deviceId": deviceID}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 431 | return err |
| 432 | } |
| 433 | |
| 434 | //Get UNI port number |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 435 | for _, port := range device.Ports { |
| 436 | if port.Type == voltha.Port_ETHERNET_NNI { |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 437 | if _, err = agent.addNNILogicalPort(ctx, device, port); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 438 | logger.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 439 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 440 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 441 | } |
| 442 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 443 | return err |
| 444 | } |
| 445 | |
khenaidoo | 171b98e | 2019-10-31 11:48:15 -0400 | [diff] [blame] | 446 | // updatePortState updates the port state of the device |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 447 | func (agent *LogicalDeviceAgent) updatePortState(ctx context.Context, deviceID string, portNo uint32, operStatus voltha.OperStatus_Types) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 448 | logger.Infow("updatePortState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "portNo": portNo, "state": operStatus}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 449 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 450 | return err |
| 451 | } |
| 452 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 171b98e | 2019-10-31 11:48:15 -0400 | [diff] [blame] | 453 | // Get the latest logical device info |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 454 | cloned := agent.getLogicalDeviceWithoutLock() |
| 455 | for idx, lPort := range cloned.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 456 | if lPort.DeviceId == deviceID && lPort.DevicePortNo == portNo { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 457 | if operStatus == voltha.OperStatus_ACTIVE { |
| 458 | cloned.Ports[idx].OfpPort.Config = cloned.Ports[idx].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 459 | cloned.Ports[idx].OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LIVE) |
| 460 | } else { |
| 461 | cloned.Ports[idx].OfpPort.Config = cloned.Ports[idx].OfpPort.Config | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 462 | cloned.Ports[idx].OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LINK_DOWN) |
| 463 | } |
| 464 | // Update the logical device |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 465 | if err := agent.updateLogicalDeviceWithoutLock(ctx, cloned); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 466 | logger.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 467 | return err |
| 468 | } |
| 469 | return nil |
| 470 | } |
| 471 | } |
| 472 | return status.Errorf(codes.NotFound, "port-%d-not-exist", portNo) |
khenaidoo | 171b98e | 2019-10-31 11:48:15 -0400 | [diff] [blame] | 473 | } |
| 474 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 475 | // updatePortsState updates the ports state related to the device |
kesavand | bc2d162 | 2020-01-21 00:42:01 -0500 | [diff] [blame] | 476 | func (agent *LogicalDeviceAgent) updatePortsState(ctx context.Context, device *voltha.Device, state voltha.OperStatus_Types) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 477 | logger.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 478 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 479 | return err |
| 480 | } |
| 481 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 482 | // Get the latest logical device info |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 483 | cloned := agent.getLogicalDeviceWithoutLock() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 484 | for _, lport := range cloned.Ports { |
| 485 | if lport.DeviceId == device.Id { |
kesavand | bc2d162 | 2020-01-21 00:42:01 -0500 | [diff] [blame] | 486 | if state == voltha.OperStatus_ACTIVE { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 487 | lport.OfpPort.Config = lport.OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 488 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LIVE) |
kesavand | bc2d162 | 2020-01-21 00:42:01 -0500 | [diff] [blame] | 489 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 490 | lport.OfpPort.Config = lport.OfpPort.Config | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 491 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LINK_DOWN) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 492 | } |
kesavand | bc2d162 | 2020-01-21 00:42:01 -0500 | [diff] [blame] | 493 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 494 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 495 | } |
| 496 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 497 | if err := agent.updateLogicalDeviceWithoutLock(ctx, cloned); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 498 | logger.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceID, "error": err}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 499 | return err |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 500 | } |
| 501 | return nil |
| 502 | } |
| 503 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 504 | // setupUNILogicalPorts creates a UNI port on the logical device that represents a child UNI interface |
| 505 | func (agent *LogicalDeviceAgent) setupUNILogicalPorts(ctx context.Context, childDevice *voltha.Device) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 506 | logger.Infow("setupUNILogicalPort", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 507 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 508 | var err error |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 509 | var added bool |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 510 | //Get UNI port number |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 511 | for _, port := range childDevice.Ports { |
| 512 | if port.Type == voltha.Port_ETHERNET_UNI { |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 513 | if added, err = agent.addUNILogicalPort(ctx, childDevice, port); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 514 | logger.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 515 | } |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 516 | if added { |
| 517 | agent.addLogicalPortToMap(port.PortNo, false) |
| 518 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 519 | } |
| 520 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 521 | return err |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 522 | } |
| 523 | |
Girish Gowdra | 408cd96 | 2020-03-11 14:31:31 -0700 | [diff] [blame] | 524 | // deleteAllLogicalPorts deletes all logical ports associated with this logical device |
| 525 | func (agent *LogicalDeviceAgent) deleteAllLogicalPorts(ctx context.Context) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 526 | logger.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 527 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 528 | return err |
| 529 | } |
| 530 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 531 | // Get the latest logical device info |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 532 | ld := agent.getLogicalDeviceWithoutLock() |
| 533 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 534 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
Girish Gowdra | 408cd96 | 2020-03-11 14:31:31 -0700 | [diff] [blame] | 535 | var updateLogicalPorts []*voltha.LogicalPort |
| 536 | // Update an empty ports slice to remove all the ports |
| 537 | cloned.Ports = updateLogicalPorts |
| 538 | |
| 539 | if err := agent.updateLogicalDeviceWithoutLock(ctx, cloned); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 540 | logger.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceID, "error": err}) |
Girish Gowdra | 408cd96 | 2020-03-11 14:31:31 -0700 | [diff] [blame] | 541 | return err |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 542 | } |
| 543 | return nil |
| 544 | } |
| 545 | |
Hardik Windlass | c704def | 2020-02-26 18:23:19 +0000 | [diff] [blame] | 546 | // deleteAllUNILogicalPorts deletes all UNI logical ports associated with this parent device |
| 547 | func (agent *LogicalDeviceAgent) deleteAllUNILogicalPorts(ctx context.Context, parentDevice *voltha.Device) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 548 | logger.Debugw("delete-all-uni-logical-ports", log.Fields{"logical-device-id": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 549 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 550 | return err |
| 551 | } |
| 552 | defer agent.requestQueue.RequestComplete() |
Hardik Windlass | c704def | 2020-02-26 18:23:19 +0000 | [diff] [blame] | 553 | // Get the latest logical device info |
| 554 | ld := agent.getLogicalDeviceWithoutLock() |
| 555 | |
| 556 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 557 | updateLogicalPorts := []*voltha.LogicalPort{} |
| 558 | for _, lport := range cloned.Ports { |
| 559 | // Save NNI ports only |
| 560 | if agent.isNNIPort(lport.DevicePortNo) { |
| 561 | updateLogicalPorts = append(updateLogicalPorts, lport) |
| 562 | } |
| 563 | } |
| 564 | if len(updateLogicalPorts) < len(cloned.Ports) { |
| 565 | cloned.Ports = updateLogicalPorts |
| 566 | // Updating the logical device will trigger the port change events to be populated to the controller |
| 567 | if err := agent.updateLogicalDeviceWithoutLock(ctx, cloned); err != nil { |
| 568 | return err |
| 569 | } |
| 570 | } else { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 571 | logger.Debugw("no-change-required", log.Fields{"logical-device-id": agent.logicalDeviceID}) |
Hardik Windlass | c704def | 2020-02-26 18:23:19 +0000 | [diff] [blame] | 572 | } |
| 573 | return nil |
| 574 | } |
| 575 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 576 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 577 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(ctx context.Context, logicalDevice *voltha.LogicalDevice) error { |
| 578 | updateCtx := context.WithValue(ctx, model.RequestTimestamp, time.Now().UnixNano()) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 579 | afterUpdate, err := agent.clusterDataProxy.Update(updateCtx, "/logical_devices/"+agent.logicalDeviceID, logicalDevice, false, "") |
| 580 | if err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 581 | logger.Errorw("failed-to-update-logical-devices-to-cluster-proxy", log.Fields{"error": err}) |
Thomas Lee S | e5a4401 | 2019-11-07 20:32:24 +0530 | [diff] [blame] | 582 | return err |
| 583 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 584 | if afterUpdate == nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 585 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceID) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 586 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 587 | //agent.logicalDevice = (proto.Clone(logicalDevice)).(*voltha.LogicalDevice) |
| 588 | agent.logicalDevice = logicalDevice |
| 589 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 590 | return nil |
| 591 | } |
| 592 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 593 | //generateDeviceRoutesIfNeeded generates the device routes if the logical device has been updated since the last time |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 594 | //that device graph was generated. |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 595 | func (agent *LogicalDeviceAgent) generateDeviceRoutesIfNeeded(ctx context.Context) error { |
| 596 | agent.lockDeviceRoutes.Lock() |
| 597 | defer agent.lockDeviceRoutes.Unlock() |
| 598 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 599 | ld, err := agent.GetLogicalDevice(ctx) |
| 600 | if err != nil { |
| 601 | return err |
| 602 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 603 | |
| 604 | if agent.deviceRoutes != nil && agent.deviceRoutes.IsUpToDate(ld) { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 605 | return nil |
| 606 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 607 | logger.Debug("Generation of device route required") |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 608 | if err := agent.buildRoutes(ctx); err != nil { |
| 609 | return err |
| 610 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 611 | return nil |
| 612 | } |
| 613 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 614 | //updateFlowTable updates the flow table of that logical device |
| 615 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 616 | logger.Debug("updateFlowTable") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 617 | if flow == nil { |
| 618 | return nil |
| 619 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 620 | if err := agent.generateDeviceRoutesIfNeeded(ctx); err != nil { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 621 | return err |
| 622 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 623 | switch flow.GetCommand() { |
| 624 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 625 | return agent.flowAdd(ctx, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 626 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 627 | return agent.flowDelete(ctx, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 628 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 629 | return agent.flowDeleteStrict(ctx, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 630 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 631 | return agent.flowModify(flow) |
| 632 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 633 | return agent.flowModifyStrict(flow) |
| 634 | } |
| 635 | return status.Errorf(codes.Internal, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 636 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceID, flow.GetCommand()) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | //updateGroupTable updates the group table of that logical device |
| 640 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 641 | logger.Debug("updateGroupTable") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 642 | if groupMod == nil { |
| 643 | return nil |
| 644 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 645 | if err := agent.generateDeviceRoutesIfNeeded(ctx); err != nil { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 646 | return err |
| 647 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 648 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 649 | switch groupMod.GetCommand() { |
| 650 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 651 | return agent.groupAdd(ctx, groupMod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 652 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 653 | return agent.groupDelete(ctx, groupMod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 654 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 655 | return agent.groupModify(ctx, groupMod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 656 | } |
| 657 | return status.Errorf(codes.Internal, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 658 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceID, groupMod.GetCommand()) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 659 | } |
| 660 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 661 | // updateMeterTable updates the meter table of that logical device |
| 662 | func (agent *LogicalDeviceAgent) updateMeterTable(ctx context.Context, meterMod *ofp.OfpMeterMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 663 | logger.Debug("updateMeterTable") |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 664 | if meterMod == nil { |
| 665 | return nil |
| 666 | } |
| 667 | switch meterMod.GetCommand() { |
| 668 | case ofp.OfpMeterModCommand_OFPMC_ADD: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 669 | return agent.meterAdd(ctx, meterMod) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 670 | case ofp.OfpMeterModCommand_OFPMC_DELETE: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 671 | return agent.meterDelete(ctx, meterMod) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 672 | case ofp.OfpMeterModCommand_OFPMC_MODIFY: |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 673 | return agent.meterModify(ctx, meterMod) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 674 | } |
| 675 | return status.Errorf(codes.Internal, |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 676 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceID, meterMod.GetCommand()) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 677 | |
| 678 | } |
| 679 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 680 | func (agent *LogicalDeviceAgent) meterAdd(ctx context.Context, meterMod *ofp.OfpMeterMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 681 | logger.Debugw("meterAdd", log.Fields{"metermod": *meterMod}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 682 | if meterMod == nil { |
| 683 | return nil |
| 684 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 685 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 686 | return err |
| 687 | } |
| 688 | defer agent.requestQueue.RequestComplete() |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 689 | logger.Debug("Acquired logical device lock") |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 690 | lDevice := agent.getLogicalDeviceWithoutLock() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 691 | |
| 692 | var meters []*ofp.OfpMeterEntry |
| 693 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 694 | meters = lDevice.Meters.Items |
| 695 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 696 | logger.Debugw("Available meters", log.Fields{"meters": meters}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 697 | |
| 698 | for _, meter := range meters { |
| 699 | if meterMod.MeterId == meter.Config.MeterId { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 700 | logger.Infow("Meter-already-exists", log.Fields{"meter": *meterMod}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 701 | return nil |
| 702 | } |
| 703 | } |
| 704 | |
| 705 | meterEntry := fu.MeterEntryFromMeterMod(meterMod) |
| 706 | meters = append(meters, meterEntry) |
| 707 | //Update model |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 708 | if err := agent.updateLogicalDeviceMetersWithoutLock(ctx, &ofp.Meters{Items: meters}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 709 | logger.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 710 | return err |
| 711 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 712 | logger.Debugw("Meter-added-successfully", log.Fields{"Added-meter": meterEntry, "updated-meters": lDevice.Meters}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 713 | return nil |
| 714 | } |
| 715 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 716 | func (agent *LogicalDeviceAgent) meterDelete(ctx context.Context, meterMod *ofp.OfpMeterMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 717 | logger.Debug("meterDelete", log.Fields{"meterMod": *meterMod}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 718 | if meterMod == nil { |
| 719 | return nil |
| 720 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 721 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 722 | return err |
| 723 | } |
| 724 | defer agent.requestQueue.RequestComplete() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 725 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 726 | lDevice := agent.getLogicalDeviceWithoutLock() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 727 | |
| 728 | var meters []*ofp.OfpMeterEntry |
| 729 | var flows []*ofp.OfpFlowStats |
| 730 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
| 731 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 732 | meters = lDevice.Meters.Items |
| 733 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 734 | |
| 735 | changedMeter := false |
| 736 | changedFow := false |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 737 | logger.Debugw("Available meters", log.Fields{"meters": meters}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 738 | for index, meter := range meters { |
| 739 | if meterMod.MeterId == meter.Config.MeterId { |
| 740 | flows = lDevice.Flows.Items |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 741 | changedFow, updatedFlows = agent.getUpdatedFlowsAfterDeletebyMeterID(flows, meterMod.MeterId) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 742 | meters = append(meters[:index], meters[index+1:]...) |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 743 | logger.Debugw("Meter has been deleted", log.Fields{"meter": meter, "index": index}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 744 | changedMeter = true |
| 745 | break |
| 746 | } |
| 747 | } |
| 748 | if changedMeter { |
| 749 | //Update model |
| 750 | metersToUpdate := &ofp.Meters{} |
| 751 | if lDevice.Meters != nil { |
| 752 | metersToUpdate = &ofp.Meters{Items: meters} |
| 753 | } |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 754 | if err := agent.updateLogicalDeviceMetersWithoutLock(ctx, metersToUpdate); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 755 | logger.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 756 | return err |
| 757 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 758 | logger.Debug("Meter-deleted-from-DB-successfully", log.Fields{"updatedMeters": metersToUpdate, "no-of-meter": len(metersToUpdate.Items)}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 759 | |
| 760 | } |
| 761 | if changedFow { |
| 762 | //Update model |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 763 | if err := agent.updateLogicalDeviceFlowsWithoutLock(ctx, &ofp.Flows{Items: updatedFlows}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 764 | logger.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 765 | return err |
| 766 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 767 | logger.Debug("Flows-associated-with-meter-deleted-from-DB-successfully", |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 768 | log.Fields{"updated-no-of-flows": len(updatedFlows), "meter": meterMod.MeterId}) |
| 769 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 770 | logger.Debugw("meterDelete success", log.Fields{"meterID": meterMod.MeterId}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 771 | return nil |
| 772 | } |
| 773 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 774 | func (agent *LogicalDeviceAgent) meterModify(ctx context.Context, meterMod *ofp.OfpMeterMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 775 | logger.Debug("meterModify") |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 776 | if meterMod == nil { |
| 777 | return nil |
| 778 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 779 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 780 | return err |
| 781 | } |
| 782 | defer agent.requestQueue.RequestComplete() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 783 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 784 | lDevice := agent.getLogicalDeviceWithoutLock() |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 785 | |
| 786 | var meters []*ofp.OfpMeterEntry |
| 787 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 788 | meters = lDevice.Meters.Items |
| 789 | } |
| 790 | changedMeter := false |
| 791 | for index, meter := range meters { |
| 792 | if meterMod.MeterId == meter.Config.MeterId { |
| 793 | newmeterEntry := fu.MeterEntryFromMeterMod(meterMod) |
| 794 | newmeterEntry.Stats.FlowCount = meter.Stats.FlowCount |
| 795 | meters[index] = newmeterEntry |
| 796 | changedMeter = true |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 797 | logger.Debugw("Found meter, replaced with new meter", log.Fields{"old meter": meter, "new meter": newmeterEntry}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 798 | break |
| 799 | } |
| 800 | } |
| 801 | if changedMeter { |
| 802 | //Update model |
| 803 | metersToUpdate := &ofp.Meters{} |
| 804 | if lDevice.Meters != nil { |
| 805 | metersToUpdate = &ofp.Meters{Items: meters} |
| 806 | } |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 807 | if err := agent.updateLogicalDeviceMetersWithoutLock(ctx, metersToUpdate); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 808 | logger.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 809 | return err |
| 810 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 811 | logger.Debugw("meter-updated-in-DB-successfully", log.Fields{"updated_meters": meters}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 812 | return nil |
| 813 | } |
| 814 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 815 | logger.Errorw("Meter not found ", log.Fields{"meter": meterMod}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 816 | return fmt.Errorf("no-logical-device-present:%d", meterMod.MeterId) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 817 | |
| 818 | } |
| 819 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 820 | func (agent *LogicalDeviceAgent) getUpdatedFlowsAfterDeletebyMeterID(flows []*ofp.OfpFlowStats, meterID uint32) (bool, []*ofp.OfpFlowStats) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 821 | logger.Infow("Delete flows matching meter", log.Fields{"meter": meterID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 822 | changed := false |
| 823 | //updatedFlows := make([]*ofp.OfpFlowStats, 0) |
| 824 | for index := len(flows) - 1; index >= 0; index-- { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 825 | if mID := fu.GetMeterIdFromFlow(flows[index]); mID != 0 && mID == meterID { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 826 | logger.Debugw("Flow to be deleted", log.Fields{"flow": flows[index], "index": index}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 827 | flows = append(flows[:index], flows[index+1:]...) |
| 828 | changed = true |
| 829 | } |
| 830 | } |
| 831 | return changed, flows |
| 832 | } |
| 833 | |
| 834 | func (agent *LogicalDeviceAgent) updateFlowCountOfMeterStats(modCommand *ofp.OfpFlowMod, meters []*ofp.OfpMeterEntry, flow *ofp.OfpFlowStats) bool { |
| 835 | |
| 836 | flowCommand := modCommand.GetCommand() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 837 | meterID := fu.GetMeterIdFromFlow(flow) |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 838 | logger.Debugw("Meter-id-in-flow-mod", log.Fields{"meterId": meterID}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 839 | if meterID == 0 { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 840 | logger.Debugw("No meter present in the flow", log.Fields{"flow": *flow}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 841 | return false |
| 842 | } |
| 843 | if meters == nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 844 | logger.Debug("No meters present in logical device") |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 845 | return false |
| 846 | } |
| 847 | changedMeter := false |
| 848 | for _, meter := range meters { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 849 | if meterID == meter.Config.MeterId { // Found meter in Logicaldevice |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 850 | if flowCommand == ofp.OfpFlowModCommand_OFPFC_ADD { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 851 | meter.Stats.FlowCount++ |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 852 | changedMeter = true |
| 853 | } else if flowCommand == ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 854 | meter.Stats.FlowCount-- |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 855 | changedMeter = true |
| 856 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 857 | logger.Debugw("Found meter, updated meter flow stats", log.Fields{" meterId": meterID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 858 | break |
| 859 | } |
| 860 | } |
| 861 | return changedMeter |
| 862 | } |
| 863 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 864 | //flowAdd adds a flow to the flow table of that logical device |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 865 | func (agent *LogicalDeviceAgent) flowAdd(ctx context.Context, mod *ofp.OfpFlowMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 866 | logger.Debugw("flowAdd", log.Fields{"flow": mod}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 867 | if mod == nil { |
| 868 | return nil |
| 869 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 870 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 871 | return err |
| 872 | } |
| 873 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 874 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 875 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 876 | |
| 877 | var flows []*ofp.OfpFlowStats |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 878 | var meters []*ofp.OfpMeterEntry |
| 879 | var flow *ofp.OfpFlowStats |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 880 | var err error |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 881 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 882 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 883 | flows = lDevice.Flows.Items |
| 884 | } |
| 885 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 886 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 887 | meters = lDevice.Meters.Items |
| 888 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 889 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 890 | changed := false |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 891 | updated := false |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 892 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 893 | if checkOverlap { |
| 894 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 895 | // TODO: should this error be notified other than being logged? |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 896 | logger.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 897 | } else { |
Matt Jeanneret | 518b5a4 | 2019-10-29 10:30:46 -0400 | [diff] [blame] | 898 | // Add flow |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 899 | flow, err = fu.FlowStatsEntryFromFlowModMessage(mod) |
| 900 | if err != nil { |
| 901 | return err |
| 902 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 903 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 904 | updatedFlows = append(updatedFlows, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 905 | changed = true |
| 906 | } |
| 907 | } else { |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 908 | flow, err = fu.FlowStatsEntryFromFlowModMessage(mod) |
| 909 | if err != nil { |
| 910 | return err |
| 911 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 912 | idx := fu.FindFlows(flows, flow) |
| 913 | if idx >= 0 { |
| 914 | oldFlow := flows[idx] |
| 915 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 916 | flow.ByteCount = oldFlow.ByteCount |
| 917 | flow.PacketCount = oldFlow.PacketCount |
| 918 | } |
Matt Jeanneret | 518b5a4 | 2019-10-29 10:30:46 -0400 | [diff] [blame] | 919 | if !reflect.DeepEqual(oldFlow, flow) { |
| 920 | flows[idx] = flow |
| 921 | updatedFlows = append(updatedFlows, flow) |
| 922 | changed = true |
| 923 | updated = true |
| 924 | } |
| 925 | } else { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 926 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 927 | updatedFlows = append(updatedFlows, flow) |
| 928 | changed = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 929 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 930 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 931 | logger.Debugw("flowAdd-changed", log.Fields{"changed": changed}) |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 932 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 933 | if changed { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 934 | var flowMetadata voltha.FlowMetadata |
| 935 | if err := agent.GetMeterConfig(updatedFlows, meters, &flowMetadata); err != nil { // This should never happen,meters should be installed before flow arrives |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 936 | logger.Error("Meter-referred-in-flows-not-present") |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 937 | return err |
| 938 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 939 | deviceRules, err := agent.flowDecomposer.DecomposeRules(ctx, agent, ofp.Flows{Items: updatedFlows}, *lDevice.FlowGroups) |
| 940 | if err != nil { |
| 941 | return err |
| 942 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 943 | logger.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 944 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 945 | // Update model |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 946 | if err := agent.updateLogicalDeviceFlowsWithoutLock(ctx, &ofp.Flows{Items: flows}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 947 | logger.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 948 | return err |
| 949 | } |
Matt Jeanneret | 518b5a4 | 2019-10-29 10:30:46 -0400 | [diff] [blame] | 950 | if !updated { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 951 | changedMeterStats := agent.updateFlowCountOfMeterStats(mod, meters, flow) |
| 952 | metersToUpdate := &ofp.Meters{} |
| 953 | if lDevice.Meters != nil { |
| 954 | metersToUpdate = &ofp.Meters{Items: meters} |
| 955 | } |
| 956 | if changedMeterStats { |
| 957 | //Update model |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 958 | if err := agent.updateLogicalDeviceMetersWithoutLock(ctx, metersToUpdate); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 959 | logger.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 960 | return err |
| 961 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 962 | logger.Debugw("meter-stats-updated-in-DB-successfully", log.Fields{"updated_meters": meters}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 963 | |
| 964 | } |
| 965 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 966 | // Send the flows to the devices |
| 967 | respChannels := agent.addFlowsAndGroupsToDevices(ctx, deviceRules, &flowMetadata) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 968 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 969 | // Create the go routines to wait |
| 970 | go func() { |
| 971 | // Wait for completion |
| 972 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, respChannels...); res != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 973 | logger.Warnw("failure-to-add-flows", log.Fields{"errors": res, "logical-device-id": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 974 | // TODO : revert added flow |
| 975 | } |
| 976 | }() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 977 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 978 | return nil |
| 979 | } |
| 980 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 981 | // GetMeterConfig returns meter config |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 982 | func (agent *LogicalDeviceAgent) GetMeterConfig(flows []*ofp.OfpFlowStats, meters []*ofp.OfpMeterEntry, metadata *voltha.FlowMetadata) error { |
| 983 | m := make(map[uint32]bool) |
| 984 | for _, flow := range flows { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 985 | if flowMeterID := fu.GetMeterIdFromFlow(flow); flowMeterID != 0 && !m[flowMeterID] { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 986 | foundMeter := false |
| 987 | // Meter is present in the flow , Get from logical device |
| 988 | for _, meter := range meters { |
| 989 | if flowMeterID == meter.Config.MeterId { |
| 990 | metadata.Meters = append(metadata.Meters, meter.Config) |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 991 | logger.Debugw("Found meter in logical device", |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 992 | log.Fields{"meterID": flowMeterID, "meter-band": meter.Config}) |
| 993 | m[flowMeterID] = true |
| 994 | foundMeter = true |
| 995 | break |
| 996 | } |
| 997 | } |
| 998 | if !foundMeter { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 999 | logger.Errorw("Meter-referred-by-flow-is-not-found-in-logicaldevice", |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1000 | log.Fields{"meterID": flowMeterID, "Available-meters": meters, "flow": *flow}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1001 | return errors.New("Meter-referred-by-flow-is-not-found-in-logicaldevice") |
| 1002 | } |
| 1003 | } |
| 1004 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1005 | logger.Debugw("meter-bands-for-flows", log.Fields{"flows": len(flows), "metadata": metadata}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1006 | return nil |
| 1007 | |
| 1008 | } |
| 1009 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1010 | //flowDelete deletes a flow from the flow table of that logical device |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1011 | func (agent *LogicalDeviceAgent) flowDelete(ctx context.Context, mod *ofp.OfpFlowMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1012 | logger.Debug("flowDelete") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1013 | if mod == nil { |
| 1014 | return nil |
| 1015 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1016 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1017 | return err |
| 1018 | } |
| 1019 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1020 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1021 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1022 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1023 | var meters []*ofp.OfpMeterEntry |
| 1024 | var flows []*ofp.OfpFlowStats |
Esin Karaman | fc3b1af | 2020-01-29 16:52:00 +0000 | [diff] [blame] | 1025 | var flowGroups []*ofp.OfpGroupEntry |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1026 | |
| 1027 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 1028 | flows = lDevice.Flows.Items |
| 1029 | } |
| 1030 | |
| 1031 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 1032 | meters = lDevice.Meters.Items |
| 1033 | } |
Esin Karaman | fc3b1af | 2020-01-29 16:52:00 +0000 | [diff] [blame] | 1034 | |
| 1035 | if lDevice.FlowGroups != nil && lDevice.FlowGroups.Items != nil { |
| 1036 | flowGroups = lDevice.FlowGroups.Items |
| 1037 | } |
| 1038 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1039 | //build a list of what to keep vs what to delete |
| 1040 | toKeep := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1041 | toDelete := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1042 | for _, f := range flows { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1043 | // Check whether the flow and the flowmod matches |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 1044 | fs, err := fu.FlowStatsEntryFromFlowModMessage(mod) |
| 1045 | if err != nil { |
| 1046 | return err |
| 1047 | } |
| 1048 | if fu.FlowMatch(f, fs) { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1049 | toDelete = append(toDelete, f) |
| 1050 | continue |
| 1051 | } |
| 1052 | // Check wild card match |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1053 | if !fu.FlowMatchesMod(f, mod) { |
| 1054 | toKeep = append(toKeep, f) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1055 | } else { |
| 1056 | toDelete = append(toDelete, f) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1057 | } |
| 1058 | } |
| 1059 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1060 | logger.Debugw("flowDelete", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "toKeep": len(toKeep), "toDelete": toDelete}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1061 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1062 | //Update flows |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1063 | if len(toDelete) > 0 { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1064 | var flowMetadata voltha.FlowMetadata |
| 1065 | if err := agent.GetMeterConfig(toDelete, meters, &flowMetadata); err != nil { // This should never happen |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1066 | logger.Error("Meter-referred-in-flows-not-present") |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1067 | return errors.New("Meter-referred-in-flows-not-present") |
| 1068 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1069 | deviceRules, err := agent.flowDecomposer.DecomposeRules(ctx, agent, ofp.Flows{Items: toDelete}, ofp.FlowGroups{Items: flowGroups}) |
| 1070 | if err != nil { |
| 1071 | return err |
| 1072 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1073 | logger.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1074 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1075 | if err := agent.updateLogicalDeviceFlowsWithoutLock(ctx, &ofp.Flows{Items: toKeep}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1076 | logger.Errorw("cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1077 | return err |
| 1078 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1079 | |
| 1080 | // Update the devices |
| 1081 | respChnls := agent.deleteFlowsAndGroupsFromDevices(ctx, deviceRules, &flowMetadata) |
| 1082 | |
| 1083 | // Wait for the responses |
| 1084 | go func() { |
| 1085 | // Wait for completion |
| 1086 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, respChnls...); res != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1087 | logger.Errorw("failure-updating-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "errors": res}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1088 | // TODO: Revert the flow deletion |
| 1089 | } |
| 1090 | }() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1091 | } |
| 1092 | |
| 1093 | //TODO: send announcement on delete |
| 1094 | return nil |
| 1095 | } |
| 1096 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1097 | func (agent *LogicalDeviceAgent) addFlowsAndGroupsToDevices(ctx context.Context, deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) []coreutils.Response { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1098 | logger.Debugw("send-add-flows-to-device-manager", log.Fields{"logicalDeviceID": agent.logicalDeviceID, "deviceRules": deviceRules, "flowMetadata": flowMetadata}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1099 | |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1100 | responses := make([]coreutils.Response, 0) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1101 | for deviceID, value := range deviceRules.GetRules() { |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1102 | response := coreutils.NewResponse() |
| 1103 | responses = append(responses, response) |
| 1104 | go func(deviceId string, value *fu.FlowsAndGroups) { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1105 | ctx, cancel := context.WithTimeout(context.Background(), agent.defaultTimeout) |
| 1106 | defer cancel() |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1107 | if err := agent.deviceMgr.addFlowsAndGroups(ctx, deviceId, value.ListFlows(), value.ListGroups(), flowMetadata); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1108 | logger.Errorw("flow-add-failed", log.Fields{"deviceID": deviceId, "error": err}) |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1109 | response.Error(status.Errorf(codes.Internal, "flow-add-failed: %s", deviceId)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1110 | } |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1111 | response.Done() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1112 | }(deviceID, value) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1113 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1114 | // Return responses (an array of channels) for the caller to wait for a response from the far end. |
| 1115 | return responses |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1116 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1117 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1118 | func (agent *LogicalDeviceAgent) deleteFlowsAndGroupsFromDevices(ctx context.Context, deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) []coreutils.Response { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1119 | logger.Debugw("send-delete-flows-to-device-manager", log.Fields{"logicalDeviceID": agent.logicalDeviceID}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1120 | |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1121 | responses := make([]coreutils.Response, 0) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1122 | for deviceID, value := range deviceRules.GetRules() { |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1123 | response := coreutils.NewResponse() |
| 1124 | responses = append(responses, response) |
| 1125 | go func(deviceId string, value *fu.FlowsAndGroups) { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1126 | ctx, cancel := context.WithTimeout(context.Background(), agent.defaultTimeout) |
| 1127 | defer cancel() |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1128 | if err := agent.deviceMgr.deleteFlowsAndGroups(ctx, deviceId, value.ListFlows(), value.ListGroups(), flowMetadata); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1129 | logger.Error("flow-delete-failed", log.Fields{"deviceID": deviceId, "error": err}) |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1130 | response.Error(status.Errorf(codes.Internal, "flow-delete-failed: %s", deviceId)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1131 | } |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1132 | response.Done() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1133 | }(deviceID, value) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1134 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1135 | return responses |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1136 | } |
| 1137 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1138 | func (agent *LogicalDeviceAgent) updateFlowsAndGroupsOfDevice(ctx context.Context, deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) []coreutils.Response { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1139 | logger.Debugw("send-update-flows-to-device-manager", log.Fields{"logicalDeviceID": agent.logicalDeviceID}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1140 | |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1141 | responses := make([]coreutils.Response, 0) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1142 | for deviceID, value := range deviceRules.GetRules() { |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1143 | response := coreutils.NewResponse() |
| 1144 | responses = append(responses, response) |
| 1145 | go func(deviceId string, value *fu.FlowsAndGroups) { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1146 | ctx, cancel := context.WithTimeout(context.Background(), agent.defaultTimeout) |
| 1147 | defer cancel() |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1148 | if err := agent.deviceMgr.updateFlowsAndGroups(ctx, deviceId, value.ListFlows(), value.ListGroups(), flowMetadata); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1149 | logger.Error("flow-update-failed", log.Fields{"deviceID": deviceId, "error": err}) |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1150 | response.Error(status.Errorf(codes.Internal, "flow-update-failed: %s", deviceId)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1151 | } |
Kent Hagerman | 8da2f1e | 2019-11-25 17:28:09 -0500 | [diff] [blame] | 1152 | response.Done() |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1153 | }(deviceID, value) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1154 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1155 | return responses |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1156 | } |
| 1157 | |
| 1158 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1159 | func (agent *LogicalDeviceAgent) flowDeleteStrict(ctx context.Context, mod *ofp.OfpFlowMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1160 | logger.Debug("flowDeleteStrict") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1161 | if mod == nil { |
| 1162 | return nil |
| 1163 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1164 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1165 | return err |
| 1166 | } |
| 1167 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1168 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1169 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1170 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1171 | var meters []*ofp.OfpMeterEntry |
| 1172 | var flows []*ofp.OfpFlowStats |
Esin Karaman | fc3b1af | 2020-01-29 16:52:00 +0000 | [diff] [blame] | 1173 | var flowGroups []*ofp.OfpGroupEntry |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1174 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 1175 | meters = lDevice.Meters.Items |
| 1176 | } |
| 1177 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 1178 | flows = lDevice.Flows.Items |
| 1179 | } |
Esin Karaman | fc3b1af | 2020-01-29 16:52:00 +0000 | [diff] [blame] | 1180 | if lDevice.FlowGroups != nil && lDevice.FlowGroups.Items != nil { |
| 1181 | flowGroups = lDevice.FlowGroups.Items |
| 1182 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1183 | |
| 1184 | changedFlow := false |
| 1185 | changedMeter := false |
Scott Baker | fdea1e3 | 2020-02-21 15:35:41 -0800 | [diff] [blame] | 1186 | flow, err := fu.FlowStatsEntryFromFlowModMessage(mod) |
| 1187 | if err != nil { |
| 1188 | return err |
| 1189 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1190 | flowsToDelete := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1191 | idx := fu.FindFlows(flows, flow) |
| 1192 | if idx >= 0 { |
Gamze Abaka | 6e4ac16 | 2019-10-21 11:10:10 +0000 | [diff] [blame] | 1193 | changedMeter = agent.updateFlowCountOfMeterStats(mod, meters, flows[idx]) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1194 | flowsToDelete = append(flowsToDelete, flows[idx]) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1195 | flows = append(flows[:idx], flows[idx+1:]...) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1196 | changedFlow = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1197 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1198 | return fmt.Errorf("Cannot delete flow - %s", flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1199 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1200 | if changedMeter { |
| 1201 | //Update model |
| 1202 | metersToUpdate := &ofp.Meters{} |
| 1203 | if lDevice.Meters != nil { |
| 1204 | metersToUpdate = &ofp.Meters{Items: meters} |
| 1205 | } |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1206 | if err := agent.updateLogicalDeviceMetersWithoutLock(ctx, metersToUpdate); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1207 | logger.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1208 | return err |
| 1209 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1210 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1211 | } |
| 1212 | if changedFlow { |
| 1213 | var flowMetadata voltha.FlowMetadata |
| 1214 | if err := agent.GetMeterConfig(flowsToDelete, meters, &flowMetadata); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1215 | logger.Error("meter-referred-in-flows-not-present") |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1216 | return err |
| 1217 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1218 | deviceRules, err := agent.flowDecomposer.DecomposeRules(ctx, agent, ofp.Flows{Items: flowsToDelete}, ofp.FlowGroups{Items: flowGroups}) |
| 1219 | if err != nil { |
| 1220 | return err |
| 1221 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1222 | logger.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1223 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1224 | if err := agent.updateLogicalDeviceFlowsWithoutLock(ctx, &ofp.Flows{Items: flows}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1225 | logger.Errorw("cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1226 | return err |
| 1227 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1228 | |
| 1229 | // Update the devices |
| 1230 | respChnls := agent.deleteFlowsAndGroupsFromDevices(ctx, deviceRules, &flowMetadata) |
| 1231 | |
| 1232 | // Wait for completion |
| 1233 | go func() { |
| 1234 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, respChnls...); res != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1235 | logger.Warnw("failure-deleting-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "errors": res}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1236 | //TODO: Revert flow changes |
| 1237 | } |
| 1238 | }() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1239 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1240 | return nil |
| 1241 | } |
| 1242 | |
| 1243 | //flowModify modifies a flow from the flow table of that logical device |
| 1244 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 1245 | return errors.New("flowModify not implemented") |
| 1246 | } |
| 1247 | |
| 1248 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 1249 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 1250 | return errors.New("flowModifyStrict not implemented") |
| 1251 | } |
| 1252 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1253 | func (agent *LogicalDeviceAgent) groupAdd(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1254 | logger.Debug("groupAdd") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1255 | if groupMod == nil { |
| 1256 | return nil |
| 1257 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1258 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1259 | return err |
| 1260 | } |
| 1261 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1262 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1263 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1264 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1265 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1266 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1267 | groups = append(groups, fu.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1268 | |
Esin Karaman | 2ea5921 | 2019-12-06 11:41:58 +0000 | [diff] [blame] | 1269 | deviceRules := fu.NewDeviceRules() |
| 1270 | deviceRules.CreateEntryIfNotExist(agent.rootDeviceID) |
| 1271 | fg := fu.NewFlowsAndGroups() |
| 1272 | fg.AddGroup(fu.GroupEntryFromGroupMod(groupMod)) |
| 1273 | deviceRules.AddFlowsAndGroup(agent.rootDeviceID, fg) |
| 1274 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1275 | logger.Debugw("rules", log.Fields{"rules for group-add": deviceRules.String()}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1276 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1277 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(ctx, &ofp.FlowGroups{Items: groups}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1278 | logger.Errorw("cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1279 | return err |
| 1280 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1281 | |
| 1282 | // Update the devices |
| 1283 | respChnls := agent.addFlowsAndGroupsToDevices(ctx, deviceRules, &voltha.FlowMetadata{}) |
| 1284 | |
| 1285 | // Wait for completion |
| 1286 | go func() { |
| 1287 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, respChnls...); res != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1288 | logger.Warnw("failure-updating-device-flows-groups", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "errors": res}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1289 | //TODO: Revert flow changes |
| 1290 | } |
| 1291 | }() |
| 1292 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1293 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1294 | return fmt.Errorf("Groups %d already present", groupMod.GroupId) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1295 | } |
| 1296 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1297 | func (agent *LogicalDeviceAgent) groupDelete(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1298 | logger.Debug("groupDelete") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1299 | if groupMod == nil { |
| 1300 | return nil |
| 1301 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1302 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1303 | return err |
| 1304 | } |
| 1305 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1306 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1307 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1308 | groups := lDevice.FlowGroups.Items |
| 1309 | flows := lDevice.Flows.Items |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1310 | var groupsChanged bool |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1311 | flowsChanged := false |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1312 | groupID := groupMod.GroupId |
| 1313 | if groupID == uint32(ofp.OfpGroup_OFPG_ALL) { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1314 | //TODO we must delete all flows that point to this group and |
| 1315 | //signal controller as requested by flow's flag |
| 1316 | groups = []*ofp.OfpGroupEntry{} |
| 1317 | groupsChanged = true |
| 1318 | } else { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1319 | idx := fu.FindGroup(groups, groupID) |
| 1320 | if idx == -1 { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1321 | return nil // Valid case |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1322 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1323 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupID) |
| 1324 | groups = append(groups[:idx], groups[idx+1:]...) |
| 1325 | groupsChanged = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1326 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1327 | if flowsChanged || groupsChanged { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1328 | deviceRules, err := agent.flowDecomposer.DecomposeRules(ctx, agent, ofp.Flows{Items: flows}, ofp.FlowGroups{Items: groups}) |
| 1329 | if err != nil { |
| 1330 | return err |
| 1331 | } |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1332 | logger.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1333 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1334 | if groupsChanged { |
| 1335 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(ctx, &ofp.FlowGroups{Items: groups}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1336 | logger.Errorw("cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1337 | return err |
| 1338 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1339 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1340 | if flowsChanged { |
| 1341 | if err := agent.updateLogicalDeviceFlowsWithoutLock(ctx, &ofp.Flows{Items: flows}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1342 | logger.Errorw("cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1343 | return err |
| 1344 | } |
| 1345 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1346 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1347 | // Update the devices |
| 1348 | respChnls := agent.updateFlowsAndGroupsOfDevice(ctx, deviceRules, nil) |
| 1349 | |
| 1350 | // Wait for completion |
| 1351 | go func() { |
| 1352 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, respChnls...); res != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1353 | logger.Warnw("failure-updating-device-flows-groups", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "errors": res}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1354 | //TODO: Revert flow changes |
| 1355 | } |
| 1356 | }() |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1357 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1358 | return nil |
| 1359 | } |
| 1360 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1361 | func (agent *LogicalDeviceAgent) groupModify(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1362 | logger.Debug("groupModify") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1363 | if groupMod == nil { |
| 1364 | return nil |
| 1365 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1366 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1367 | return err |
| 1368 | } |
| 1369 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1370 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1371 | lDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1372 | groups := lDevice.FlowGroups.Items |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1373 | var groupsChanged bool |
| 1374 | groupID := groupMod.GroupId |
| 1375 | idx := fu.FindGroup(groups, groupID) |
| 1376 | if idx == -1 { |
| 1377 | return fmt.Errorf("group-absent:%d", groupID) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1378 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1379 | //replace existing group entry with new group definition |
| 1380 | groupEntry := fu.GroupEntryFromGroupMod(groupMod) |
| 1381 | groups[idx] = groupEntry |
| 1382 | groupsChanged = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1383 | if groupsChanged { |
Esin Karaman | 2ea5921 | 2019-12-06 11:41:58 +0000 | [diff] [blame] | 1384 | deviceRules := fu.NewDeviceRules() |
| 1385 | deviceRules.CreateEntryIfNotExist(agent.rootDeviceID) |
| 1386 | fg := fu.NewFlowsAndGroups() |
| 1387 | fg.AddGroup(fu.GroupEntryFromGroupMod(groupMod)) |
| 1388 | deviceRules.AddFlowsAndGroup(agent.rootDeviceID, fg) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1389 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1390 | logger.Debugw("rules", log.Fields{"rules for group-modify": deviceRules.String()}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1391 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1392 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(ctx, &ofp.FlowGroups{Items: groups}); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1393 | logger.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1394 | return err |
| 1395 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1396 | |
| 1397 | // Update the devices |
| 1398 | respChnls := agent.updateFlowsAndGroupsOfDevice(ctx, deviceRules, &voltha.FlowMetadata{}) |
| 1399 | |
| 1400 | // Wait for completion |
| 1401 | go func() { |
| 1402 | if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, respChnls...); res != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1403 | logger.Warnw("failure-updating-device-flows-groups", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "errors": res}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1404 | //TODO: Revert flow changes |
| 1405 | } |
| 1406 | }() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1407 | } |
| 1408 | return nil |
| 1409 | } |
| 1410 | |
| 1411 | // deleteLogicalPort removes the logical port |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1412 | func (agent *LogicalDeviceAgent) deleteLogicalPort(ctx context.Context, lPort *voltha.LogicalPort) error { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1413 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1414 | return err |
| 1415 | } |
| 1416 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1417 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1418 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
| 1419 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1420 | index := -1 |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1421 | for i, logicalPort := range logicalDevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1422 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1423 | index = i |
| 1424 | break |
| 1425 | } |
| 1426 | } |
| 1427 | if index >= 0 { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1428 | copy(logicalDevice.Ports[index:], logicalDevice.Ports[index+1:]) |
| 1429 | logicalDevice.Ports[len(logicalDevice.Ports)-1] = nil |
| 1430 | logicalDevice.Ports = logicalDevice.Ports[:len(logicalDevice.Ports)-1] |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1431 | logger.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1432 | if err := agent.updateLogicalDeviceWithoutLock(ctx, logicalDevice); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1433 | logger.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1434 | return err |
| 1435 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1436 | |
| 1437 | // Remove the logical port from cache |
| 1438 | agent.deleteLogicalPortsFromMap([]uint32{lPort.DevicePortNo}) |
| 1439 | |
| 1440 | // Reset the logical device routes |
| 1441 | go func() { |
| 1442 | if err := agent.buildRoutes(context.Background()); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1443 | logger.Warnw("device-routes-not-ready", log.Fields{"logicalDeviceId": agent.logicalDeviceID, "error": err}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1444 | } |
| 1445 | }() |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1446 | } |
| 1447 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 1448 | } |
| 1449 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1450 | // deleteLogicalPorts removes the logical ports associated with that deviceId |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1451 | func (agent *LogicalDeviceAgent) deleteLogicalPorts(ctx context.Context, deviceID string) error { |
Andrea Campanella | 09400bd | 2020-04-02 11:58:04 +0200 | [diff] [blame^] | 1452 | logger.Debugw("deleting-logical-ports", log.Fields{"device-id": deviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1453 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1454 | return err |
| 1455 | } |
| 1456 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1457 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1458 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1459 | lPortstoKeep := []*voltha.LogicalPort{} |
| 1460 | lPortsNoToDelete := []uint32{} |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1461 | for _, logicalPort := range logicalDevice.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1462 | if logicalPort.DeviceId != deviceID { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1463 | lPortstoKeep = append(lPortstoKeep, logicalPort) |
| 1464 | } else { |
| 1465 | lPortsNoToDelete = append(lPortsNoToDelete, logicalPort.DevicePortNo) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1466 | } |
| 1467 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1468 | logicalDevice.Ports = lPortstoKeep |
| 1469 | |
Andrea Campanella | 09400bd | 2020-04-02 11:58:04 +0200 | [diff] [blame^] | 1470 | logger.Debugw("deleted-logical-ports", log.Fields{"ports": lPortstoKeep}) |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1471 | if err := agent.updateLogicalDeviceWithoutLock(ctx, logicalDevice); err != nil { |
Andrea Campanella | 09400bd | 2020-04-02 11:58:04 +0200 | [diff] [blame^] | 1472 | logger.Errorw("logical-device-update-failed", log.Fields{"logical-device-id": agent.logicalDeviceID}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1473 | return err |
| 1474 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1475 | // Remove the port from the cached logical ports set |
| 1476 | agent.deleteLogicalPortsFromMap(lPortsNoToDelete) |
| 1477 | |
| 1478 | // Reset the logical device routes |
| 1479 | go func() { |
| 1480 | if err := agent.buildRoutes(context.Background()); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1481 | logger.Warnw("routes-not-ready", log.Fields{"logical-device-id": agent.logicalDeviceID, "error": err}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1482 | } |
| 1483 | }() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1484 | |
| 1485 | return nil |
| 1486 | } |
| 1487 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1488 | // enableLogicalPort enables the logical port |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1489 | func (agent *LogicalDeviceAgent) enableLogicalPort(ctx context.Context, lPortID string) error { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1490 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1491 | return err |
| 1492 | } |
| 1493 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1494 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1495 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
| 1496 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1497 | index := -1 |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1498 | for i, logicalPort := range logicalDevice.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1499 | if logicalPort.Id == lPortID { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1500 | index = i |
| 1501 | break |
| 1502 | } |
| 1503 | } |
| 1504 | if index >= 0 { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1505 | logicalDevice.Ports[index].OfpPort.Config = logicalDevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1506 | return agent.updateLogicalDeviceWithoutLock(ctx, logicalDevice) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1507 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1508 | 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] | 1509 | } |
| 1510 | |
| 1511 | // disableLogicalPort disabled the logical port |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1512 | func (agent *LogicalDeviceAgent) disableLogicalPort(ctx context.Context, lPortID string) error { |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1513 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1514 | return err |
| 1515 | } |
| 1516 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1517 | |
| 1518 | // Get the most up to date logical device |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1519 | logicalDevice := agent.getLogicalDeviceWithoutLock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1520 | index := -1 |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1521 | for i, logicalPort := range logicalDevice.Ports { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1522 | if logicalPort.Id == lPortID { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1523 | index = i |
| 1524 | break |
| 1525 | } |
| 1526 | } |
| 1527 | if index >= 0 { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1528 | logicalDevice.Ports[index].OfpPort.Config = (logicalDevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1529 | return agent.updateLogicalDeviceWithoutLock(ctx, logicalDevice) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1530 | } |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1531 | 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] | 1532 | } |
| 1533 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1534 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) ([]route.Hop, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1535 | logger.Debugw("ROUTE", log.Fields{"len": len(agent.deviceRoutes.Routes)}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1536 | for routeLink, route := range agent.deviceRoutes.Routes { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1537 | logger.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1538 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1539 | return route, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1540 | } |
| 1541 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1542 | return nil, status.Errorf(codes.FailedPrecondition, "no route from:%d to:%d", ingress, egress) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1543 | } |
| 1544 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1545 | // GetRoute returns route |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1546 | func (agent *LogicalDeviceAgent) GetRoute(ctx context.Context, ingressPortNo uint32, egressPortNo uint32) ([]route.Hop, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1547 | logger.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1548 | routes := make([]route.Hop, 0) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1549 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1550 | // Note: A port value of 0 is equivalent to a nil port |
| 1551 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1552 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1553 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1554 | logger.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1555 | if agent.isNNIPort(ingressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1556 | //This is a trap on the NNI Port |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1557 | if len(agent.deviceRoutes.Routes) == 0 { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1558 | // 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] | 1559 | // route with same IngressHop and EgressHop |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1560 | hop := route.Hop{DeviceID: agent.rootDeviceID, Ingress: ingressPortNo, Egress: ingressPortNo} |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1561 | routes = append(routes, hop) |
| 1562 | routes = append(routes, hop) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1563 | return routes, nil |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1564 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1565 | //Return a 'half' route to make the flow decomposer logic happy |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1566 | for routeLink, path := range agent.deviceRoutes.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1567 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1568 | routes = append(routes, route.Hop{}) // first hop is set to empty |
| 1569 | routes = append(routes, path[1]) |
| 1570 | return routes, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1571 | } |
| 1572 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1573 | return nil, status.Errorf(codes.FailedPrecondition, "no upstream route from:%d to:%d", ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1574 | } |
| 1575 | //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] | 1576 | var err error |
| 1577 | if egressPortNo, err = agent.getFirstNNIPort(); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1578 | logger.Warnw("no-nni-port", log.Fields{"error": err}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1579 | return nil, err |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1580 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1581 | } |
| 1582 | //If ingress port is not specified (nil), it may be a wildcarded |
| 1583 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 1584 | //in which case we need to create a half-route where only the egress |
| 1585 | //hop is filled, the first hop is nil |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1586 | if ingressPortNo == 0 && agent.isNNIPort(egressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1587 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1588 | for routeLink, path := range agent.deviceRoutes.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1589 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1590 | routes = append(routes, route.Hop{}) // first hop is set to empty |
| 1591 | routes = append(routes, path[1]) |
| 1592 | return routes, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1593 | } |
| 1594 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1595 | return nil, status.Errorf(codes.FailedPrecondition, "no upstream route from:%d to:%d", ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1596 | } |
| 1597 | //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] | 1598 | if egressPortNo == 0 { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1599 | for routeLink, path := range agent.deviceRoutes.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1600 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1601 | routes = append(routes, path[0]) |
| 1602 | routes = append(routes, route.Hop{}) |
| 1603 | return routes, nil |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1604 | } |
| 1605 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1606 | return nil, status.Errorf(codes.FailedPrecondition, "no downstream route from:%d to:%d", ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1607 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1608 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1609 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1610 | } |
| 1611 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1612 | //GetWildcardInputPorts filters out the logical port number from the set of logical ports on the device and |
| 1613 | //returns their port numbers. This function is invoked only during flow decomposition where the lock on the logical |
| 1614 | //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] | 1615 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 1616 | lPorts := make([]uint32, 0) |
| 1617 | var exclPort uint32 |
| 1618 | if len(excludePort) == 1 { |
| 1619 | exclPort = excludePort[0] |
| 1620 | } |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1621 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1622 | for _, port := range lDevice.Ports { |
| 1623 | if port.OfpPort.PortNo != exclPort { |
| 1624 | lPorts = append(lPorts, port.OfpPort.PortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1625 | } |
| 1626 | } |
| 1627 | return lPorts |
| 1628 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1629 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1630 | // GetDeviceRoutes returns device graph |
| 1631 | func (agent *LogicalDeviceAgent) GetDeviceRoutes() *route.DeviceRoutes { |
| 1632 | return agent.deviceRoutes |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1633 | } |
| 1634 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1635 | //rebuildRoutes rebuilds the device routes |
| 1636 | func (agent *LogicalDeviceAgent) buildRoutes(ctx context.Context) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1637 | logger.Debugf("building-routes", log.Fields{"logical-device-id": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1638 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1639 | return err |
| 1640 | } |
| 1641 | defer agent.requestQueue.RequestComplete() |
| 1642 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1643 | if agent.deviceRoutes == nil { |
| 1644 | agent.deviceRoutes = route.NewDeviceRoutes(agent.logicalDeviceID, agent.deviceMgr.GetDevice) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1645 | } |
| 1646 | // Get all the logical ports on that logical device |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1647 | lDevice := agent.getLogicalDeviceWithoutLock() |
| 1648 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1649 | if err := agent.deviceRoutes.ComputeRoutes(ctx, lDevice.Ports); err != nil { |
| 1650 | return err |
| 1651 | } |
| 1652 | if err := agent.deviceRoutes.Print(); err != nil { |
| 1653 | return err |
| 1654 | } |
| 1655 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1656 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1657 | } |
| 1658 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1659 | //updateRoutes updates the device routes |
| 1660 | func (agent *LogicalDeviceAgent) updateRoutes(ctx context.Context, lp *voltha.LogicalPort) error { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1661 | logger.Debugw("updateRoutes", log.Fields{"logicalDeviceId": agent.logicalDeviceID}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1662 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1663 | return err |
| 1664 | } |
| 1665 | defer agent.requestQueue.RequestComplete() |
| 1666 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1667 | if agent.deviceRoutes == nil { |
| 1668 | agent.deviceRoutes = route.NewDeviceRoutes(agent.logicalDeviceID, agent.deviceMgr.GetDevice) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1669 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1670 | if err := agent.deviceRoutes.AddPort(ctx, lp, agent.logicalDevice.Ports); err != nil { |
| 1671 | return err |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1672 | } |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1673 | if err := agent.deviceRoutes.Print(); err != nil { |
| 1674 | return err |
| 1675 | } |
| 1676 | return nil |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1677 | } |
| 1678 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1679 | // 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] | 1680 | func diff(oldList, newList []*voltha.LogicalPort) (newPorts, changedPorts, deletedPorts []*voltha.LogicalPort) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1681 | newPorts = make([]*voltha.LogicalPort, 0) |
| 1682 | changedPorts = make([]*voltha.LogicalPort, 0) |
| 1683 | deletedPorts = make([]*voltha.LogicalPort, 0) |
| 1684 | for _, o := range oldList { |
| 1685 | found := false |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1686 | for _, n := range newList { |
| 1687 | if o.Id == n.Id { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1688 | found = true |
| 1689 | break |
| 1690 | } |
| 1691 | } |
| 1692 | if !found { |
| 1693 | deletedPorts = append(deletedPorts, o) |
| 1694 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1695 | } |
| 1696 | for _, n := range newList { |
| 1697 | found := false |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1698 | changed := false |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1699 | for _, o := range oldList { |
| 1700 | if o.Id == n.Id { |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1701 | changed = !reflect.DeepEqual(o, n) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1702 | found = true |
| 1703 | break |
| 1704 | } |
| 1705 | } |
| 1706 | if !found { |
| 1707 | newPorts = append(newPorts, n) |
| 1708 | } |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1709 | if changed { |
| 1710 | changedPorts = append(changedPorts, n) |
| 1711 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1712 | } |
| 1713 | return |
| 1714 | } |
| 1715 | |
| 1716 | // portUpdated is invoked when a port is updated on the logical device. Until |
| 1717 | // the POST_ADD notification is fixed, we will use the logical device to |
| 1718 | // update that data. |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1719 | func (agent *LogicalDeviceAgent) portUpdated(ctx context.Context, args ...interface{}) interface{} { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1720 | logger.Debugw("portUpdated-callback", log.Fields{"argsLen": len(args)}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1721 | |
| 1722 | var oldLD *voltha.LogicalDevice |
| 1723 | var newlD *voltha.LogicalDevice |
| 1724 | |
| 1725 | var ok bool |
| 1726 | if oldLD, ok = args[0].(*voltha.LogicalDevice); !ok { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1727 | logger.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1728 | return nil |
| 1729 | } |
| 1730 | if newlD, ok = args[1].(*voltha.LogicalDevice); !ok { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1731 | logger.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1732 | return nil |
| 1733 | } |
| 1734 | |
| 1735 | if reflect.DeepEqual(oldLD.Ports, newlD.Ports) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1736 | logger.Debug("ports-have-not-changed") |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1737 | return nil |
| 1738 | } |
| 1739 | |
| 1740 | // Get the difference between the two list |
| 1741 | newPorts, changedPorts, deletedPorts := diff(oldLD.Ports, newlD.Ports) |
| 1742 | |
| 1743 | // Send the port change events to the OF controller |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1744 | for _, newP := range newPorts { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1745 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceID, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1746 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: newP.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1747 | } |
| 1748 | for _, change := range changedPorts { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1749 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceID, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1750 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_MODIFY, Desc: change.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1751 | } |
| 1752 | for _, del := range deletedPorts { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1753 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceID, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1754 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: del.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1755 | } |
| 1756 | |
| 1757 | return nil |
| 1758 | } |
| 1759 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1760 | // addNNILogicalPort adds an NNI port to the logical device. It returns a bool representing whether a port has been |
| 1761 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1762 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1763 | // scenario. This also applies to the case where the port was already added. |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1764 | func (agent *LogicalDeviceAgent) addNNILogicalPort(ctx context.Context, device *voltha.Device, port *voltha.Port) (bool, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1765 | logger.Debugw("addNNILogicalPort", log.Fields{"NNI": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1766 | if device.AdminState != voltha.AdminState_ENABLED || device.OperStatus != voltha.OperStatus_ACTIVE { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1767 | logger.Infow("device-not-ready", log.Fields{"deviceId": device.Id, "admin": device.AdminState, "oper": device.OperStatus}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1768 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1769 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1770 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1771 | return false, err |
| 1772 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1773 | if agent.portExist(device, port) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1774 | logger.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1775 | agent.requestQueue.RequestComplete() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1776 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1777 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1778 | agent.requestQueue.RequestComplete() |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1779 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1780 | var portCap *ic.PortCapability |
| 1781 | var err error |
| 1782 | // First get the port capability |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1783 | if portCap, err = agent.deviceMgr.getPortCapability(ctx, device.Id, port.PortNo); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1784 | logger.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1785 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1786 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1787 | |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1788 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1789 | return false, err |
| 1790 | } |
| 1791 | |
| 1792 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1793 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1794 | if agent.portExist(device, port) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1795 | logger.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1796 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1797 | } |
| 1798 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1799 | portCap.Port.RootPort = true |
| 1800 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1801 | lp.DeviceId = device.Id |
| 1802 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 1803 | lp.OfpPort.PortNo = port.PortNo |
| 1804 | lp.OfpPort.Name = lp.Id |
| 1805 | lp.DevicePortNo = port.PortNo |
| 1806 | |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1807 | ld := agent.getLogicalDeviceWithoutLock() |
| 1808 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1809 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 1810 | if cloned.Ports == nil { |
| 1811 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1812 | } |
| 1813 | cloned.Ports = append(cloned.Ports, lp) |
| 1814 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1815 | if err = agent.updateLogicalDeviceWithoutLock(ctx, cloned); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1816 | logger.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1817 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1818 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1819 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1820 | // Update the device routes with this new logical port |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1821 | clonedLP := (proto.Clone(lp)).(*voltha.LogicalPort) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1822 | go func() { |
| 1823 | if err := agent.updateRoutes(context.Background(), clonedLP); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1824 | logger.Warnw("routes-not-ready", log.Fields{"logical-device-id": agent.logicalDeviceID, "logical-port": lp.OfpPort.PortNo, "error": err}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1825 | } |
| 1826 | }() |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1827 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1828 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1829 | } |
| 1830 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1831 | func (agent *LogicalDeviceAgent) portExist(device *voltha.Device, port *voltha.Port) bool { |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1832 | ldevice := agent.getLogicalDeviceWithoutLock() |
| 1833 | for _, lPort := range ldevice.Ports { |
| 1834 | if lPort.DeviceId == device.Id && lPort.DevicePortNo == port.PortNo && lPort.Id == port.Label { |
| 1835 | return true |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1836 | } |
| 1837 | } |
| 1838 | return false |
| 1839 | } |
| 1840 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1841 | // addUNILogicalPort adds an UNI port to the logical device. It returns a bool representing whether a port has been |
| 1842 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1843 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1844 | // scenario. This also applies to the case where the port was already added. |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1845 | func (agent *LogicalDeviceAgent) addUNILogicalPort(ctx context.Context, childDevice *voltha.Device, port *voltha.Port) (bool, error) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1846 | logger.Debugw("addUNILogicalPort", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1847 | if childDevice.AdminState != voltha.AdminState_ENABLED || childDevice.OperStatus != voltha.OperStatus_ACTIVE { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1848 | logger.Infow("device-not-ready", log.Fields{"deviceId": childDevice.Id, "admin": childDevice.AdminState, "oper": childDevice.OperStatus}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1849 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1850 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1851 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1852 | return false, err |
| 1853 | } |
| 1854 | |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1855 | if agent.portExist(childDevice, port) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1856 | logger.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1857 | agent.requestQueue.RequestComplete() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1858 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1859 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1860 | agent.requestQueue.RequestComplete() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1861 | var portCap *ic.PortCapability |
| 1862 | var err error |
| 1863 | // First get the port capability |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1864 | if portCap, err = agent.deviceMgr.getPortCapability(ctx, childDevice.Id, port.PortNo); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1865 | logger.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1866 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1867 | } |
khenaidoo | 442e7c7 | 2020-03-10 16:13:48 -0400 | [diff] [blame] | 1868 | if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil { |
| 1869 | return false, err |
| 1870 | } |
| 1871 | defer agent.requestQueue.RequestComplete() |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1872 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1873 | if agent.portExist(childDevice, port) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1874 | logger.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1875 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1876 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1877 | // Get stored logical device |
khenaidoo | 6e55d9e | 2019-12-12 18:26:26 -0500 | [diff] [blame] | 1878 | ldevice := agent.getLogicalDeviceWithoutLock() |
| 1879 | |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1880 | logger.Debugw("adding-uni", log.Fields{"deviceId": childDevice.Id}) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1881 | portCap.Port.RootPort = false |
| 1882 | portCap.Port.Id = port.Label |
| 1883 | portCap.Port.OfpPort.PortNo = port.PortNo |
| 1884 | portCap.Port.DeviceId = childDevice.Id |
| 1885 | portCap.Port.DevicePortNo = port.PortNo |
| 1886 | cloned := (proto.Clone(ldevice)).(*voltha.LogicalDevice) |
| 1887 | if cloned.Ports == nil { |
| 1888 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1889 | } |
| 1890 | cloned.Ports = append(cloned.Ports, portCap.Port) |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1891 | if err := agent.updateLogicalDeviceWithoutLock(ctx, cloned); err != nil { |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1892 | return false, err |
| 1893 | } |
| 1894 | // Update the device graph with this new logical port |
| 1895 | clonedLP := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1896 | |
| 1897 | go func() { |
| 1898 | if err := agent.updateRoutes(context.Background(), clonedLP); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1899 | logger.Warn("routes-not-ready", log.Fields{"logical-device-id": agent.logicalDeviceID, "error": err}) |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1900 | } |
| 1901 | }() |
| 1902 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1903 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1904 | } |
| 1905 | |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1906 | func (agent *LogicalDeviceAgent) packetOut(ctx context.Context, packet *ofp.OfpPacketOut) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1907 | logger.Debugw("packet-out", log.Fields{ |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 1908 | "packet": hex.EncodeToString(packet.Data), |
| 1909 | "inPort": packet.GetInPort(), |
| 1910 | }) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1911 | outPort := fu.GetPacketOutPort(packet) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1912 | //frame := packet.GetData() |
| 1913 | //TODO: Use a channel between the logical agent and the device agent |
npujar | 467fe75 | 2020-01-16 20:17:45 +0530 | [diff] [blame] | 1914 | if err := agent.deviceMgr.packetOut(ctx, agent.rootDeviceID, outPort, packet); err != nil { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1915 | logger.Error("packetout-failed", log.Fields{"logicalDeviceID": agent.rootDeviceID}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1916 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1917 | } |
| 1918 | |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1919 | func (agent *LogicalDeviceAgent) packetIn(port uint32, transactionID string, packet []byte) { |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1920 | logger.Debugw("packet-in", log.Fields{ |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 1921 | "port": port, |
| 1922 | "packet": hex.EncodeToString(packet), |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1923 | "transactionId": transactionID, |
Matteo Scandolo | 360605d | 2019-11-05 18:29:17 -0800 | [diff] [blame] | 1924 | }) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1925 | packetIn := fu.MkPacketIn(port, packet) |
npujar | 1d86a52 | 2019-11-14 17:11:16 +0530 | [diff] [blame] | 1926 | agent.ldeviceMgr.grpcNbiHdlr.sendPacketIn(agent.logicalDeviceID, transactionID, packetIn) |
Girish Kumar | f56a468 | 2020-03-20 20:07:46 +0000 | [diff] [blame] | 1927 | logger.Debugw("sending-packet-in", log.Fields{"packet": hex.EncodeToString(packetIn.Data)}) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1928 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1929 | |
| 1930 | func (agent *LogicalDeviceAgent) addLogicalPortToMap(portNo uint32, nniPort bool) { |
| 1931 | agent.lockLogicalPortsNo.Lock() |
| 1932 | defer agent.lockLogicalPortsNo.Unlock() |
| 1933 | if exist := agent.logicalPortsNo[portNo]; !exist { |
| 1934 | agent.logicalPortsNo[portNo] = nniPort |
| 1935 | } |
| 1936 | } |
| 1937 | |
khenaidoo | 820197c | 2020-02-13 16:35:33 -0500 | [diff] [blame] | 1938 | func (agent *LogicalDeviceAgent) deleteLogicalPortsFromMap(portsNo []uint32) { |
| 1939 | agent.lockLogicalPortsNo.Lock() |
| 1940 | defer agent.lockLogicalPortsNo.Unlock() |
| 1941 | for _, pNo := range portsNo { |
| 1942 | delete(agent.logicalPortsNo, pNo) |
| 1943 | } |
| 1944 | } |
| 1945 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1946 | func (agent *LogicalDeviceAgent) addLogicalPortsToMap(lps []*voltha.LogicalPort) { |
| 1947 | agent.lockLogicalPortsNo.Lock() |
| 1948 | defer agent.lockLogicalPortsNo.Unlock() |
| 1949 | for _, lp := range lps { |
| 1950 | if exist := agent.logicalPortsNo[lp.DevicePortNo]; !exist { |
| 1951 | agent.logicalPortsNo[lp.DevicePortNo] = lp.RootPort |
| 1952 | } |
| 1953 | } |
| 1954 | } |
| 1955 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1956 | func (agent *LogicalDeviceAgent) isNNIPort(portNo uint32) bool { |
| 1957 | agent.lockLogicalPortsNo.RLock() |
| 1958 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1959 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1960 | return agent.logicalPortsNo[portNo] |
| 1961 | } |
| 1962 | return false |
| 1963 | } |
| 1964 | |
| 1965 | func (agent *LogicalDeviceAgent) getFirstNNIPort() (uint32, error) { |
| 1966 | agent.lockLogicalPortsNo.RLock() |
| 1967 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1968 | for portNo, nni := range agent.logicalPortsNo { |
| 1969 | if nni { |
| 1970 | return portNo, nil |
| 1971 | } |
| 1972 | } |
| 1973 | return 0, status.Error(codes.NotFound, "No NNI port found") |
| 1974 | } |
Esin Karaman | 09959ae | 2019-11-29 13:59:58 +0000 | [diff] [blame] | 1975 | |
| 1976 | //GetNNIPorts returns NNI ports. |
| 1977 | func (agent *LogicalDeviceAgent) GetNNIPorts() []uint32 { |
| 1978 | agent.lockLogicalPortsNo.RLock() |
| 1979 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1980 | nniPorts := make([]uint32, 0) |
| 1981 | for portNo, nni := range agent.logicalPortsNo { |
| 1982 | if nni { |
| 1983 | nniPorts = append(nniPorts, portNo) |
| 1984 | } |
| 1985 | } |
| 1986 | return nniPorts |
| 1987 | } |