COMPANY CONFIDENTIAL
2
Table of Contents
1Introduction...............................................................................................................................................4
1.1TopLevelarchitecture........................................................................................................................4
1.2FusionOverview................................................................................................................................4
1.3LowerMAC.......................................................................................................................................5
1.3.1HAL...................................................................................................................................................5
1.3.2ATH...................................................................................................................................................5
1.3.3RateControl.......................................................................................................................................5
1.3.4PacketLogging..................................................................................................................................6
1.3.5DFS....................................................................................................................................................6
1.4UpperMAC.......................................................................................................................................6
1.4.1802.11Layer......................................................................................................................................6
1.4.2ShimLayer.........................................................................................................................................6
1.5WLANDriverInterfaceandOSAbstractionLayer...........................................................................7
1.6WBUFAbstraction.............................................................................................................................7
2UserInterface..........................................................................................................................................8
2.1ConfigurationFile............................................................................................................................8
2.2EnvironmentalVariables...................................................................................................................8
2.3ShellScripts.....................................................................................................................................17
2.3.1InitializationScripts..........................................................................................................................24
2.3.1.1rcS....................................................................................................................................................25
2.3.1.2rc.network........................................................................................................................................25
2.3.1.3rc.bridge...........................................................................................................................................25
2.3.1.4rc.wlan..............................................................................................................................................25
2.3.2DriverOperationScripts...................................................................................................................25
2.3.2.1makeVAP.........................................................................................................................................26
2.3.2.2activateVAP.....................................................................................................................................27
2.3.2.3killVAP............................................................................................................................................27
2.3.3CompatibilityScripts........................................................................................................................27
2.3.3.1apup..................................................................................................................................................27
2.3.3.2apdown.............................................................................................................................................27
2.4WirelessTools.................................................................................................................................28
2.4.1iwconfig...........................................................................................................................................28
2.4.2iwpriv...............................................................................................................................................30
2.4.2.1RadioLayer......................................................................................................................................31
2.4.2.2ProtocolLayer..................................................................................................................................39
2.4.2.3WMMrelated...................................................................................................................................40
2.4.2.4SecurityRelated...............................................................................................................................42
2.4.2.5802.11nrelated.................................................................................................................................46
2.4.2.6Regulatorycommands.......................................................................................................................50
2.4.2.6.1Generalcommands....................................................................................................................52
2.4.3Changingparametersusingiwconfigandiwpriv..............................................................................61
2.5wlanconfigutility..............................................................................................................................61
2.5.1CreatingaVAP................................................................................................................................61
