Elia Battiston | 560e955 | 2022-01-31 10:44:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package devices |
| 18 | |
| 19 | import ( |
| 20 | "context" |
| 21 | "testing" |
| 22 | "time" |
| 23 | |
| 24 | "github.com/google/gopacket" |
| 25 | "github.com/google/gopacket/layers" |
| 26 | "github.com/opencord/bbsim/internal/bbsim/responders/dhcp" |
| 27 | "github.com/opencord/bbsim/internal/common" |
| 28 | "github.com/opencord/voltha-protos/v5/go/openolt" |
| 29 | "github.com/stretchr/testify/assert" |
| 30 | ) |
| 31 | |
| 32 | func getTestOlt(t *testing.T, ctx context.Context, services []common.ServiceYaml) (olt *OltDevice, pon *PonPort, onu *Onu, uni *UniPort, stream *mockStream) { |
| 33 | common.Services = services |
| 34 | |
| 35 | common.Config = &common.GlobalConfig{ |
| 36 | Olt: common.OltConfig{ |
| 37 | ID: 1, |
| 38 | NniPorts: 1, |
| 39 | PonPorts: 1, |
| 40 | OnusPonPort: 1, |
| 41 | UniPorts: 1, |
| 42 | }, |
| 43 | } |
| 44 | |
Elia Battiston | b7bea22 | 2022-02-18 16:25:00 +0100 | [diff] [blame^] | 45 | allocIdPerOnu := uint32(common.Config.Olt.UniPorts * uint32(len(common.Services))) |
| 46 | common.PonsConfig = &common.PonPortsConfig{ |
| 47 | Number: common.Config.Olt.PonPorts, |
| 48 | Ranges: []common.PonRangeConfig{ |
| 49 | { |
| 50 | PonRange: common.IdRange{StartId: 0, EndId: common.Config.Olt.PonPorts - 1}, |
| 51 | Technology: common.XGSPON.String(), |
| 52 | OnuRange: common.IdRange{StartId: 1, EndId: 1 + (common.Config.Olt.OnusPonPort - 1)}, |
| 53 | AllocIdRange: common.IdRange{StartId: 1024, EndId: 1024 + (common.Config.Olt.OnusPonPort * allocIdPerOnu)}, |
| 54 | GemportRange: common.IdRange{StartId: 1024, EndId: 1024 + common.Config.Olt.OnusPonPort*allocIdPerOnu*8}, |
| 55 | }, |
| 56 | }, |
| 57 | } |
| 58 | |
Elia Battiston | 560e955 | 2022-01-31 10:44:15 +0100 | [diff] [blame] | 59 | olt = CreateOLT(*common.Config, common.Services, true) |
| 60 | |
| 61 | stream = &mockStream{ |
| 62 | Calls: make(map[int]*openolt.Indication), |
| 63 | } |
| 64 | olt.OpenoltStream = stream |
| 65 | olt.enableContext = ctx |
| 66 | |
| 67 | if len(olt.Pons) <= 0 { |
| 68 | assert.Fail(t, "No PONs on OLT") |
| 69 | return |
| 70 | } |
| 71 | pon = olt.Pons[0] |
| 72 | |
| 73 | if len(pon.Onus) <= 0 { |
| 74 | assert.Fail(t, "No ONUs on PON") |
| 75 | return |
| 76 | } |
| 77 | onu = pon.Onus[0] |
| 78 | |
| 79 | if len(onu.UniPorts) <= 0 { |
| 80 | assert.Fail(t, "No UNIs on ONU") |
| 81 | return |
| 82 | } |
| 83 | uni = onu.UniPorts[0].(*UniPort) |
| 84 | |
| 85 | _, err := olt.ActivateOnu(ctx, &openolt.Onu{ |
| 86 | IntfId: pon.ID, |
| 87 | OnuId: onu.ID, |
| 88 | SerialNumber: onu.SerialNumber, |
| 89 | }) |
| 90 | |
| 91 | assert.Nil(t, err) |
| 92 | |
| 93 | assert.Equal(t, len(services), len(uni.Services)) |
| 94 | for i, s := range uni.Services { |
| 95 | service := s.(*Service) |
| 96 | assert.Equal(t, services[i].Name, service.Name) |
| 97 | assert.Equal(t, services[i].NeedsDhcp, service.NeedsDhcp) |
| 98 | } |
| 99 | |
| 100 | err = onu.InternalState.Event(OnuTxInitialize) |
| 101 | assert.Nil(t, err) |
| 102 | |
| 103 | //A mock ONU won't start processing messages, so we have to call it manually |
| 104 | go onu.ProcessOnuMessages(ctx, stream, nil) |
| 105 | |
| 106 | err = onu.InternalState.Event(OnuTxDiscover) |
| 107 | assert.Nil(t, err) |
| 108 | err = onu.InternalState.Event(OnuTxEnable) |
| 109 | assert.Nil(t, err) |
| 110 | |
| 111 | err = uni.Enable() |
| 112 | assert.Nil(t, err) |
| 113 | |
| 114 | return |
| 115 | } |
| 116 | |
| 117 | func addTestFlow(t *testing.T, ctx context.Context, olt *OltDevice, onu *Onu, flow openolt.Flow) { |
| 118 | //Check if the flow is correctly added |
| 119 | _, err := olt.FlowAdd(ctx, &flow) |
| 120 | assert.Nil(t, err) |
| 121 | } |
| 122 | |
| 123 | func removeTestFlow(t *testing.T, ctx context.Context, olt *OltDevice, onu *Onu, flow openolt.Flow) { |
| 124 | //Check if the flow is correctly removed |
| 125 | _, err := olt.FlowRemove(ctx, &flow) |
| 126 | assert.Nil(t, err) |
| 127 | } |
| 128 | |
| 129 | func Test_Flows_FttbTrapRules(t *testing.T) { |
| 130 | const ( |
| 131 | VID_VENDOR_MGMT = 6 |
| 132 | VID_NETWORK_DPU_MGMT = 60 |
| 133 | |
| 134 | allocId = int32(1024) |
| 135 | gemportId = int32(1024) |
| 136 | uniPortNo = uint32(256) |
| 137 | nniId = 0 |
| 138 | nniPortNo = 0x1000000 |
| 139 | pbitNone = 255 |
| 140 | |
| 141 | dhcpServiceName = "dpu_dhcp" |
| 142 | hsiaServicename = "hsia" |
| 143 | ) |
| 144 | |
| 145 | testServices := []common.ServiceYaml{ |
| 146 | {Name: dhcpServiceName, CTag: 60, CTagAllocation: common.TagAllocationShared.String(), STagAllocation: common.TagAllocationShared.String(), NeedsDhcp: true, TechnologyProfileID: 64}, |
| 147 | {Name: hsiaServicename, UniTagMatch: 4096, CTag: 4096, CTagAllocation: common.TagAllocationShared.String(), STag: 3101, STagAllocation: common.TagAllocationUnique.String(), TechnologyProfileID: 64}, |
| 148 | } |
| 149 | |
| 150 | ctx, cancel := context.WithCancel(context.Background()) |
| 151 | defer cancel() |
| 152 | |
| 153 | olt, pon, onu, uni, stream := getTestOlt(t, ctx, testServices) |
| 154 | |
| 155 | flows := []openolt.Flow{ |
| 156 | { |
| 157 | AccessIntfId: int32(pon.ID), |
| 158 | OnuId: int32(onu.ID), |
| 159 | UniId: int32(uni.ID), |
| 160 | FlowId: 1, |
| 161 | FlowType: flowTypeUpstream, |
| 162 | AllocId: allocId, |
| 163 | NetworkIntfId: nniId, |
| 164 | GemportId: gemportId, |
| 165 | Classifier: &openolt.Classifier{ |
| 166 | OVid: VID_NETWORK_DPU_MGMT, |
| 167 | OPbits: pbitNone, |
| 168 | EthType: uint32(layers.EthernetTypeIPv4), |
| 169 | IpProto: uint32(layers.IPProtocolUDP), |
| 170 | SrcPort: 68, |
| 171 | DstPort: 67, |
| 172 | PktTagType: flowTagTypeSingle, |
| 173 | }, |
| 174 | Action: &openolt.Action{ |
| 175 | Cmd: &openolt.ActionCmd{ |
| 176 | TrapToHost: true, |
| 177 | }, |
| 178 | }, |
| 179 | Priority: 40000, |
| 180 | PortNo: uniPortNo, |
| 181 | }, |
| 182 | { |
| 183 | AccessIntfId: -1, |
| 184 | OnuId: -1, |
| 185 | UniId: -1, |
| 186 | FlowId: 2, |
| 187 | FlowType: flowTypeDownstream, |
| 188 | AllocId: -1, |
| 189 | NetworkIntfId: nniId, |
| 190 | GemportId: -1, |
| 191 | Classifier: &openolt.Classifier{ |
| 192 | OVid: VID_NETWORK_DPU_MGMT, |
| 193 | OPbits: pbitNone, |
| 194 | EthType: uint32(layers.EthernetTypeIPv4), |
| 195 | IpProto: uint32(layers.IPProtocolUDP), |
| 196 | SrcPort: 67, |
| 197 | PktTagType: flowTagTypeDouble, |
| 198 | }, |
| 199 | Action: &openolt.Action{ |
| 200 | Cmd: &openolt.ActionCmd{ |
| 201 | TrapToHost: true, |
| 202 | }, |
| 203 | }, |
| 204 | Priority: 40000, |
| 205 | PortNo: nniPortNo, |
| 206 | }, |
| 207 | } |
| 208 | |
| 209 | for _, f := range flows { |
| 210 | addTestFlow(t, ctx, olt, onu, f) |
| 211 | } |
| 212 | |
| 213 | //Wait a bit for messages on various channels to be processed |
| 214 | time.Sleep(time.Second) |
| 215 | |
| 216 | //Check if a DHCP request is sent correctly after trap rules have been added |
| 217 | assert.True(t, stream.CallCount > 0) |
| 218 | dhcpCall := stream.Calls[stream.CallCount] |
| 219 | |
| 220 | switch ind := dhcpCall.Data.(type) { |
| 221 | case *openolt.Indication_PktInd: |
| 222 | assert.Equal(t, uniPortNo, ind.PktInd.PortNo) |
| 223 | assert.Equal(t, pon.ID, ind.PktInd.IntfId) |
| 224 | assert.Equal(t, "pon", ind.PktInd.IntfType) |
| 225 | assert.Equal(t, uint32(gemportId), ind.PktInd.GemportId) |
| 226 | |
| 227 | packet := gopacket.NewPacket(ind.PktInd.Pkt, layers.LayerTypeEthernet, gopacket.Default) |
| 228 | _, err := dhcp.GetDhcpLayer(packet) |
| 229 | assert.Nil(t, err) |
| 230 | default: |
| 231 | assert.Fail(t, "Wrong indication type for DHCP request") |
| 232 | } |
| 233 | |
| 234 | for _, f := range flows { |
| 235 | removeTestFlow(t, ctx, olt, onu, f) |
| 236 | } |
| 237 | } |