Wi-Fi EasyMesh规范 4.0版 (Wi-Fi Alliance)

Wi-Fi EasyMesh Specification Version 4.0

Table of Contents
1 OVERVIEW.13
1.1 Scope 13
1.2 Purpose.13
2 REFERENCES .14
3 DEFINITIONS AND ACRONYMS 16
3.1.1 Shall/should/may/might word usage 16
3.1.2 Conventions .16
3.1.3 Definitions 16
3.1.4 Abbreviations and acronyms19
4 ARCHITECTURE21
4.1 Multi-AP architecture.21
4.1.1 Multi-AP example deployment .21
5 MULTI-AP ONBOARDING .25
5.1 1905 Push Button Configuration method25
5.2 PBC Backhaul STA Onboarding procedure25
5.2.1 BSS Configuration26
5.2.2 Backhaul STA Configuration27
5.3 DPP Backhaul STA and Multi-AP Agent secure onboarding28
5.3.1 Overview of DPP onboarding procedure (Informative) 28
5.3.2 Data structures used in DPP onboarding 31
5.3.3 Requirements for devices using DPP onboarding procedures 35
5.3.4 Onboarding method via Wi-Fi with out-of-band DPP bootstrapping36
5.3.5 Onboarding Method via a Multi-AP Logical Ethernet Interface with out-of-band DPP bootstrapping 41
5.3.6 Onboarding method via Wi-Fi with inband DPP bootstrapping using Push Button .43
5.3.7 Establishing secure 1905-layer connectivity 45
5.3.8 Fronthaul BSS and Backhaul BSS configuration.47
5.3.9 DPP onboarding after PBC Backhaul STA Onboarding 49
5.3.10 Reconfiguration .49
5.3.11 Onboarding DPP-capable client devices (STAs) 52
6 MULTI-AP DISCOVERY.54
6.1 Multi-AP controller discovery 54
6.2 Multi-AP service discovery 55
6.3 Client association and disassociation notification.56
7 MULTI-AP CONFIGURATION57
7.1 AP configuration57
7.2 AP operational BSS reporting .59
7.3 Policy configuration .59
8 CHANNEL SELECTION .61
8.1 Channel Preference Query and Report 61
8.2 Channel Selection Request and Report62
8.2.1 Coordinated DFS CAC.63
8.2.2 DFS CAC Scan Requirements on a Multi-AP Controller .63
8.2.3 DFS CAC Scan Requirements on a Multi-AP Agent .63
8.2.4 Spatial Reuse.64
9 CAPABILITY INFORMATION REPORTING 66
9.1 AP capability .66
9.2 Client capability .67
9.3 Backhaul STA capability
10 LINK METRIC COLLECTION.68
10.1 Backhaul link metrics 68
10.2 Per-AP metrics and bulk STA metrics.68
10.2.1 Link metric measurements from the AP68
10.2.2 Channel Scan69
10.2.3 Anticipated Channel Usage 71
10.3 Per-STA measurements72
10.3.1 Associated STA link measurements from the AP .72
10.3.2 Unassociated STA RCPI measurements from the AP73
10.3.3 802.11 beacon measurements from the client73
10.4 Combined infrastructure metrics .74
11 CLIENT STEERING75
11.1 Multi-AP Controller initiated steering mandate .75
11.2 Multi-AP Controller initiated steering opportunity75
11.3 Multi-AP Agent initiated RCPI-based steering 76
11.3.1 RCPI-based steering rules76
11.4 Multi-AP Agent determination of target BSS.76
11.5 Steering mechanisms76
11.6 Client association control mechanism.77
11.7 Wi-Fi Agile Multiband and Tunneled Message support 78
12 BACKHAUL OPTIMIZATION80
12.1 Backhaul optimization by backhaul station association control 80
13 MULTI-AP MESSAGING SECURITY.82
13.1 1905-Layer Security Capability .82
13.2 Message integrity code .82
13.2.1 Theory of Operation (Informative).82
13.2.2 MIC transmission requirements 83
13.2.3 MIC reception requirements84
13.3 1905-layer encryption84
13.3.1 Theory of Operation (informative) .84
13.3.2 Encryption requirements .85
13.3.3 Decryption requirements .86
14 FOUR-ADDRESS MAC HEADER FORMAT87
14.1 Wi-Fi backhaul frame and address handling.87
14.1.1 Receiver requirements 87
14.1.2 Transmitter requirements 87
14.1.3 Wired backhaul frame and address handling .88
15 SUPPLEMENTAL PROTOCOL RULES/PROCEDURES 89
15.1 CMDU reliable multicast transmission 89
15.1.1 CMDU reliable multicast transmission procedures .89
15.1.2 CMDU reliable multicast reception procedures 89
15.2 1905 CMDU adjustments 89
15.3 Order of Processing 90
15.3.1 Transmission Order.90
15.3.2 Reception Order90
16 HIGHER LAYER DATA PAYLOAD OVER 1905 91
17 MULTI-AP CONTROL MESSAGING .92
17.1 Multi-AP message format92
17.1.1 1905 AP-Autoconfiguration Search message format (extended) .95
17.1.2 1905 AP-Autoconfiguration Response message format (extended) 95
17.1.3 1905 AP-Autoconfiguration WSC message format (extended) 95
17.1.4 1905 Topology Response message format (extended)96
17.1.5 1905 Topology Notification message format (extended) 96
17.1.6 AP Capability Query message format .96
17.1.7 AP Capability Report message format96
17.1.8 Multi-AP Policy Config Request message format .96
17.1.9 Channel Preference Query message format 97
17.1.10 Channel Preference Report message format .97
17.1.11 Channel Selection Request message format .97
17.1.12 Channel Selection Response message format.97
17.1.13 Operating Channel Report message format .97
17.1.14 Client Capability Query message format 97
17.1.15 Client Capability Report message format .97
17.1.16 AP Metrics Query Message format .97
17.1.17 AP Metrics Response Message format 98
17.1.18 Associated STA Link Metrics Query message format 98
17.1.19 Associated STA Link Metrics Response message format 98
17.1.20 Unassociated STA Link Metrics Query message format 98
17.1.21 Unassociated STA Link Metrics Response message format98
17.1.22 Beacon Metrics Query message format .98
17.1.23 Beacon Metrics Response message format .98
17.1.24 Combined Infrastructure Metrics message format98
17.1.25 Client Steering Request message format .99
17.1.26 Client Steering BTM Report message format .99
17.1.27 Client Association Control Request message format .99
17.1.28 Steering Completed message format .99
17.1.29 Backhaul Steering Request message format .99
17.1.30 Backhaul Steering Response message format.99
17.1.31 Higher Layer Data message format 99
17.1.32 1905 Ack message format 99
17.1.33 Channel Scan Request message format 99
17.1.34 Channel Scan Report message format.100
17.1.35 CAC Request message format .100
17.1.36 CAC Termination message format100
17.1.37 Error Response message format 100
17.1.38 Topology Query message format100
17.1.39 Association Status Notification message format.100
17.1.40 Tunneled message format 100
17.1.41 Client Disassociation Stats message format 100
17.1.42 Backhaul STA Capability Query message format.100
17.1.43 Backhaul STA Capability Report message format101
17.1.44 Failed Connection message .101
17.1.45 1905 Rekey Request message format .101
17.1.46 1905 Decryption Failure message format .101
17.1.47 Service Prioritization Request message format 101
17.1.48 Proxied Encap DPP message format .101
17.1.49 1905 Encap EAPOL message format .101
17.1.50 DPP Bootstrapping URI Notification message format 101
17.1.51 DPP CCE Indication message format.101
17.1.52 Chirp Notification message format102
17.1.53 BSS Configuration Request message 102
17.1.54 BSS Configuration Response message .102
17.1.55 BSS Configuration Result message102
17.1.56 Direct Encap DPP message .102
17.1.57 Reconfiguration Trigger message.102
17.1.58 Agent List message 102
17.1.59 Anticipated Channel Preference message .102
17.1.60 Anticipated Channel Usage Report message.103
17.1.61 QoS Management Notification message format .103
17.2 Multi-AP TLVs format 104
17.2.1 SupportedService TLV format.106
17.2.2 SearchedService TLV format 107
17.2.3 AP Radio Identifier TLV format .107
17.2.4 AP Operational BSS TLV format.107
17.2.5 Associated Clients TLV format108
17.2.6 AP Capability TLV format108
17.2.7 AP Radio Basic Capabilities TLV format.108
17.2.8 AP HT Capabilities TLV format .109
17.2.9 AP VHT Capabilities TLV format.110
17.2.10 AP HE Capabilities TLV format.111
17.2.11 Steering Policy TLV format .112
17.2.12 Metric Reporting Policy TLV format 112
17.2.13 Channel Preference TLV format .114
17.2.14 Radio Operation Restriction TLV format .115
17.2.15 Transmit Power Limit TLV format .116
17.2.16 Channel Selection Response TLV format.116
17.2.17 Operating Channel Report TLV format .116
17.2.18 Client Info TLV format .117
17.2.19 Client Capability Report TLV format .117
17.2.20 Client Association Event TLV format 117
17.2.21 AP Metric Query TLV format .118
17.2.22 AP Metrics TLV format118
17.2.23 STA MAC Address Type TLV format 119
17.2.24 Associated STA Link Metrics TLV format .119
17.2.25 Unassociated STA Link Metrics Query TLV format 120
17.2.26 Unassociated STA Link Metrics Response TLV format 120
17.2.27 Beacon Metrics Query TLV format121
17.2.28 Beacon Metrics Response TLV format .121
17.2.29 Steering Request TLV format .122
17.2.30 Steering BTM Report TLV format .123
17.2.31 Client Association Control Request TLV format .124
17.2.32 Backhaul Steering Request TLV format .124
17.2.33 Backhaul Steering Response TLV format.124
17.2.34 Higher Layer Data TLV format 125
17.2.35 Associated STA Traffic Stats TLV format .125
17.2.36 Error Code TLV format126
17.2.37 Channel Scan Reporting Policy TLV format .127
17.2.38 Channel Scan Capabilities TLV format.127
17.2.39 Channel Scan Request TLV format 128
17.2.40 Channel Scan Result TLV format .129
17.2.41 Timestamp TLV format .130
17.2.42 CAC Request TLV format .131
17.2.43 CAC Termination TLV format131
17.2.44 CAC Completion Report TLV format.132
17.2.45 CAC Status Report TLV format.133
17.2.46 CAC Capabilities TLV format 134
17.2.47 Multi-AP Profile TLV format 135
17.2.48 Profile-2 AP Capability TLV format .135
17.2.49 Default 802.1Q Settings TLV format .135
17.2.50 Traffic Separation Policy TLV format 136
17.2.51 Profile-2 Error Code TLV format .136
17.2.52 AP Radio Advanced Capabilities TLV format .137
17.2.53 Association Status Notification TLV format.138
17.2.54 Source Info TLV format .138
17.2.55 Tunneled message type TLV format.138
17.2.56 Tunneled TLV format 139
17.2.57 Profile-2 Steering Request TLV format.139
17.2.58 Unsuccessful Association Policy TLV format140
17.2.59 Metric Collection Interval TLV format141
17.2.60 Radio Metrics TLV format .141
17.2.61 AP Extended Metrics TLV format141
17.2.62 Associated STA Extended Link Metrics TLV format .142
17.2.63 Status Code TLV format .143
17.2.64 Reason Code TLV format .143
17.2.65 Backhaul STA Radio Capabilities TLV format 143
17.2.66 Backhaul BSS Configuration TLV .143
17.2.67 1905 Layer Security Capability TLV format 144
17.2.68 MIC TLV format.144
17.2.69 Encrypted Payload TLV format .145
17.2.70 Service Prioritization Rule TLV format 145
17.2.71 DSCP Mapping Table TLV format 145
17.2.72 AP Wi-Fi 6 Capabilities TLV format 146
17.2.73 Associated Wi-Fi 6 STA Status Report TLV format 147
17.2.74 BSSID TLV format.148
17.2.75 BSS Configuration Report TLV format148
17.2.76 Device Inventory TLV format 149
17.2.77 Agent List TLV format .149
17.2.78 AKM Suite Capabilities TLV format.150
17.2.79 1905 Encap DPP TLV format150
17.2.80 1905 Encap EAPOL TLV format .151
17.2.81 DPP Bootstrapping URI Notification TLV151
17.2.82 DPP CCE Indication TLV 152
17.2.83 DPP Chirp Value TLV .152
17.2.84 BSS Configuration Request TLV 152
17.2.85 BSS Configuration Response TLV153
17.2.86 DPP Message TLV .153
17.2.87 Anticipated Channel Preference TLV format 153
17.2.88 Anticipated Channel Usage TLV format .154
17.2.89 Spatial Reuse Request TLV155
17.2.90 Spatial Reuse Report TLV 156
17.2.91 Spatial Reuse Config Response TLV format 158
17.2.92 QoS Management Policy TLV.158
17.2.93 QoS Management Descriptor TLV158
17.2.94 Controller Capability TLV 159
18 MULTI-AP PROFILES 160
19 TRAFFIC SEPARATION 162
19.1 Traffic Separation in Multi-AP Network .162
19.1.1 Traffic Separation Overview (Informative) 162
19.1.2 Multi-AP Controller Requirements 164
19.1.3 Multi-AP Agent Requirements.164
19.2 VLAN Tagging in Multi-AP 166
20 SERVICE PRIORITIZATION168
20.1 Service Prioritization in Multi-AP Network (Informative) .168
20.2 Service Prioritization Operation 168
20.2.1 Multi-AP Controller Requirements 168
20.2.2 Multi-AP Agent Common Requirements .169
20.2.3 Multi-AP Agent 802.1Q C-TAG Requirements .169
20.2.4 Multi-AP Agent Configuration and Operation of MSCS, SCS and DSCP Policy 170
20.2.5 Setting UP Values .172
20.2.6 DSCP-to-UP Mapping.173
APPENDIX A (INFORMATIVE) MISCELLANEOUS .174
A.1 Higher layer protocol field definition (see section 16) .174
A.2 Indication of associated 802.11 clients .174
A.3 Implementation Notes (Informative)174
A.3.1 Traffic Separation.174
A.3.2 Controller implementation for Policy Set Up
A.3.3 Fragmentation of IEEE 1905
A.3.4 Multi-AP Logical Ethernet Interfaces
A.3.5 Primary Channel for Operating Classes Greater than 40 MHz

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