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NetBSD 6.1.5 - man page for wi (netbsd section 4)

WI(4)				   BSD Kernel Interfaces Manual 			    WI(4)

NAME
     wi -- WaveLAN/IEEE and PRISM-II 802.11 wireless network driver

SYNOPSIS
     wi* at pcmcia? function ?
     wi* at pci? dev ? function ?

DESCRIPTION
     The wi driver provides support for Lucent Technologies WaveLAN/IEEE PCCARD adapters (also
     known as WaveLAN II cards) and various PCI/MiniPCI/PCCARD adapters which use Intersil PRISM-
     II and PRISM-2.5 chipsets.  Note that while Lucent sells both ISA and PCMCIA WaveLAN/IEEE
     devices, the ISA product is actually a PCMCIA card in an ISA to PCMCIA bridge adapter.  Con-
     sequently, the wi driver is required for both the ISA and PCMCIA NICs.  Also note that some
     of the PRISM-II adapters works only at 3.3V, hence cardbus(4) support is required for those
     cards to set VCC correctly, even though they are 16-bit cards.

     The core of the WaveLAN/IEEE is the Lucent Hermes controller.  All host/device interaction
     is via programmed I/O with the Hermes.  The Hermes supports 802.11 and 802.3 frames, power
     management, BSS, WDS and ad-hoc operation modes.  The Silver and the Gold cards of the Wave-
     LAN/IEEE also support WEP.  Unlike the other IEEE 802.11 network cards, the WaveLAN Gold
     cards accept 104 bits key (13 characters) for WEP encryption.  The Intersil PRISM-II con-
     troller supports WEP as well.

     The wi driver encapsulates all traffic as 802.11 frames, however it can receive either
     802.11 or 802.3 frames.  Transmit speed is selectable between 1Mbps fixed, 2Mbps fixed or
     2Mbps with auto fallback.	For WaveLAN/IEEE Turbo adapters, speeds up to 6Mbps are avail-
     able.  For WaveLAN/IEEE Turbo 11Mbps adapters and PRISM-II adapters, speeds up to 11Mbps are
     available.

     The wi driver supports configuration of Lucent cards for special ad-hoc operation.  In this
     mode, the nwid is ignored and stations can communicate among each other without the aid of
     an access point.  Note that this mode is specific to Lucent chips, and not in the IEEE
     802.11 specification.  Due to changes in the implementation of this special ad-hoc mode,
     Lucent-based cards with different firmware revisions may not interoperate in this mode.
     This mode is no longer the default and must be selected using the ifconfig(8) (media option
     ``adhoc,flag0'') utility.

     Recent versions of Lucent and PRISM-II firmware support IBSS creation.  IBSS is the standard
     IEEE 802.11 ad-hoc mode.  In this mode, the nwid should be specified.  At least one node
     must be able to create IBSS.  The IBSS mode is enabled by ``adhoc'' or ``ibss'' media
     option.  IBSS creation is automatically enabled if supported.

     The wi driver defaults to infrastructure mode (i.e., using an access point).

     Recent versions of PRISM-II firmware support operating as an 802.11 Access Point.	In this
     mode, the Access Point station should set the nwid.  This will create a standard 802.11 net-
     work, and the Access Point station will show up in an Access Point scan.  This mode is
     enabled using the ``hostap'' media option.

     For more information on configuring this device, see ifconfig(8) and ifmedia(4).

HARDWARE
     Cards supported by the wi driver include:

	   Alvarion BreezeNET
	   Lucent WaveLAN/IEEE 2.0Mb Bronze
	   Lucent WaveLAN/IEEE 2.0Mb Silver
	   Lucent WaveLAN/IEEE Turbo
	   Lucent WaveLAN/IEEE Turbo 11Mbps
	   Melco AIR CONNECT WLI-PCM-L11, WLI-PCM-L11G
	   Melco AIR CONNECT WLI-CF-S11G
	   Compaq WL100 11Mbps Wireless
	   Corega Wireless LAN PCC-11, PCCA_11, PCCB_11
	   DEC/Cabletron RoamAbout 802.11 DS High Rate
	   D-Link DWL-520 11Mbps PCI Card, Revs. A1,A2,B1,B2
	   D-Link DWL-520 11Mbps PCI Card, Rev. C1 not supported, see atw(4)
	   D-Link DWL-520 11Mbps PCI Card, Rev. D not supported, see rtw(4)
	   D-Link DWL-650 11Mbps WLAN Card
	   D-Link DWL-650 11Mbps WLAN Card, Rev. P not supported (Prism 3 chipset)
	   D-Link DCF-650W CF Card
	   ELECOM Air@Hawk LD-WL11
	   ELSA AirLancer MC-11
	   Ericsson Wireless LAN
	   Farallon Skyline 11Mbps Wireless
	   Intel PRO/Wireless 2011 LAN PC Card
	   ICOM SL-1100
	   IO-DATA WN-B11/PCM
	   Intersil PRISM Mini-PCI
	   Linksys Group, Inc. Instant Wireless Network PC Card, CF Card
	   Linksys Group, Inc. Instant Wireless Network WMP11 PCI Card
	   Linksys Group, Inc. Instant Wireless Network WMP11v4 PCI Card not supported
	   NCR WaveLAN/IEEE
	   NEC Wireless Card CMZ-RT-WP, PK-WL001, PC-WL/11C
	   PLANEX GeoWave/GW-NS110
	   Symbol Spectrum24 Wireless Networker PC Card, CF Card
	   TDK LAK-CD011WL
	   SMC EZ Connect 11M Wireless CF Card SMC2642W
	   SMC EliteConnect Wireless Adapter PC Card SMC2531W-B
	   Z-Com XI-626 PCI Card

     The original PRISM-I chipset is supported by the awi(4) driver.

DIAGNOSTICS
     wi%d: init failed	The WaveLAN failed to come ready after an initialization command was
     issued.

     wi%d: failed to allocate %d bytes on NIC  The driver was unable to allocate memory for
     transmit frames in the NIC's on-board RAM.

     wi%d: device timeout  The WaveLAN failed to generate an interrupt to acknowledge a transmit
     command.

SEE ALSO
     arp(4), ifmedia(4), netintro(4), pci(4), pcmcia(4), ifconfig(8), wiconfig(8)

     HCF Light programming specification, http://www.wavelan.com.

HISTORY
     The wi device driver first appeared in NetBSD 1.5.

AUTHORS
     The wi driver was written by Bill Paul <wpaul@ctr.columbia.edu>.

BUGS
     The execution of wiconfig(8) while the interface is down can produce some error messages.

BSD					   July 6, 2005 				      BSD


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