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    The following form allows you to view linux man pages.

    Command:

    wi

    
         kernel configuration file:
    
               device wi
               device wlan
    
         Alternatively, to load the driver as a module at boot time, place the
         following line in loader.conf(5):
    
               if_wi_load="YES"
    
    
    

    DESCRIPTION

         The wi driver provides support for 802.11b wireless network adapters
         based around the Lucent Hermes, Intersil PRISM-II, Intersil PRISM-2.5,
         and Intersil Prism-3 chipsets.  All chipsets provide a similar interface
         to the driver.  Only the Intersil chipsets support access point operation
         or WPA.  Very old versions of firmware are not supported at all.  Older
         versions of the firmware that are supported may severely limit the abil-
         ity to use these cards in newer networks.  Only relatively recent ver-
         sions of Intersil firmware supports WPA.  See CAVEATS for details.  All
         host/device interaction is via programmed I/O, even on those cards that
         support a DMA interface.
    
         For more information on configuring this device, see ifconfig(8).
    
         wi supports station, adhoc, adhoc-demo, hostap, and monitor mode opera-
         tion.  Only one virtual interface may be configured at a time.  For more
         information on configuring this device, see ifconfig(8).
    
         Cards supported by the wi driver come in a variety of packages, though
         the most common are of the PCMCIA type.  In many cases, the PCI version
         of a wireless card is simply a PCMCIA card bundled with a PCI adapter.
         The PCI adapters come in two flavors: true PCMCIA bridges and dumb PCMCIA
         bridges.  A true PCMCIA bridge (such as those sold by Lucent) will attach
         as a real PCMCIA controller.  The wireless card will then attach to the
         PCMCIA bus.  Wireless cards in PCMCIA slots may be inserted and ejected
         on the fly.
    
         A dumb bridge, on the other hand, does not show up as a true PCMCIA bus.
         The wireless card will simply appear to the host as a normal PCI device
         and will not require any PCMCIA support.  Cards in this type of adapter
         should only be removed when the machine is powered down.
    
         The following cards are among those supported by the wi driver:
    
         Card                                  Chip          Bus
         3Com AirConnect 3CRWE777A             Prism-II      PCI
         Accton airDirect WN3301                             PCMCIA
         ACTIONTEC HWC01170                    Prism-2.5     PCMCIA
         Adaptech ANW-8030                     Prism-3       PCMCIA
         Addtron AWP-100                       Prism-II      PCMCIA
         Adtec Adlink/340C                     Prism-II      PCMCIA
         Airvast WN 100                        Prism-3       PCMCIA
         Compaq Agency NC5004                  Prism-II      PCMCIA
         Compaq WL100                          Prism-II      PCMCIA
         Compaq WL110                          Hermes        PCMCIA
         Compaq WL200                          Prism-II      PCMCIA
         Contec FLEXLAN/FX-DS110-PCC           Prism-II      PCMCIA
         Corega PCC-11                         Prism-II      PCMCIA
         Corega PCCA-11                        Prism-II      PCMCIA
         Corega PCCB-11                        Prism-II      PCMCIA
         Corega CGWLPCIA11                     Prism-II      PCI
         Dell TrueMobile 1150                  Hermes        PCMCIA
         Dlink Air 660                         Prism-II      PCMCIA
         Dlink DWL520                          Prism-2.5     PCI
         Dlink DWL650                          Prism-2.5     PCMCIA
         ELECOM Air@Hawk/LD-WL11/PCC                         PCMCIA
         ELSA MC-11                                          PCMCIA
         ELSA XI300                            Prism-II      PCMCIA
         ELSA XI325                            Prism-2.5     PCMCIA
         ELSA APDL325                          Prism-2.5     PCMCIA
         ELSA XI330                            Prism-3       PCMCIA
         ELSA XI800                            Prism-II      CF
         EMTAC A2424i                          Prism-II      PCMCIA
         Farallon Skyline                      Prism-II      PCMCIA
         Gemtek WL-311                         Prism-2.5     PCMCIA
         Hawking Technology WE110P             Prism-2.5     PCMCIA
         Home Wireless Networks                Prism-II      PCMCIA
         IBM High Rate Wireless                Hermes        PCMCIA
         ICOM SL-1100                          Prism-II      PCMCIA
         I-O DATA WN-B11/PCM                   Prism-II      PCMCIA
         Intersil Prism II                     Prism-II      PCMCIA
         Intersil Mini-PCI                     Prism-2.5     PCI
         Intersil ISL37100P                    Prism-3       PCMCIA
         Intersil ISL37110P                    Prism-3       PCMCIA
         Intersil ISL37300P                    Prism-3       PCMCIA
         Laneed Wireless                                     PCMCIA
         Linksys Instant Wireless WPC11        Prism-II      PCMCIA
         Linksys Instant Wireless WPC11 2.5    Prism-2.5     PCMCIA
         Linksys Instant Wireless WPC11 3.0    Prism-3       PCMCIA
         Linksys WCF11                         Prism-3       PCMCIA
         Linksys WCF12                         Prism-3       CF
         Lucent WaveLAN                        Hermes        PCMCIA
         Melco Airconnect                      Prism-II      PCMCIA
         Microsoft MN-520 WLAN                 Prism-II      PCMCIA
         NANOSPEED ROOT-RZ2000                 Prism-II      PCMCIA
         NCR WaveLAN/IEEE 802.11                             PCMCIA
         NDC/Sohoware NCP130                   Prism-II      PCI
         NEC CMZ-RT-WP                         Prism-II      PCMCIA
         NEC PK-WL001                          Lucent        PCMCIA
         NEC PC-WL/11C                         Prism-II      PCMCIA
         Netgear MA311                         Prism-2.5     PCI
         Netgear MA401                         Prism-II/2.5  PCMCIA
         Netgear MA401RA                       Prism-II      PCMCIA
         Netgear MA701                         Prism-II      CF
         Socket Low Power WLAN-CF              Prism-II      CF
         Sony PCWA-C100                        Lucent        PCMCIA
         Sony PEGA-WL110                       Prism-2.5     PCMCIA
         TDK LAK-CD011WL                       Prism-II      PCMCIA
         Toshiba Wireless LAN Card             Prism-II      PCMCIA
         U.S. Robotics Wireless Card 2410      Prism-II      PCMCIA
         YIS YWL-11B                           Prism-II      PCMCIA
    
         Several vendors sell PCI adapters built around the PLX Technology 9050 or
         9052 chip.  The following such adapters are supported or expected to
         work:
    
         3Com AirConnect 3CRWE777A (3.3V)
         Belkin F5D6000 (a rebadged WL11000P)
         Eumitcom WL11000P
         Global Sun Technology GL24110P (untested)
         Global Sun Technology GL24110P02
         LinkSys WDT11 (a rebadged GL24110P02)
         Netgear MA301
         US Robotics 2415 (rebadged WL11000P)
         Wisecom Wireless LAN PCI Adapter
    
         The following adapters have the same model numbers as those listed above,
         but might not work if the actual card is after the change away from the
         Prism family:
    
         DLink DWL520
    
    
    

    EXAMPLES

         Join an existing BSS network (ie: connect to an access point):
    
               ifconfig wlan create wlandev wi0 inet 192.168.0.20 \
                   netmask 0xffffff00
    
         Join a specific BSS network with network name "my_net":
    
               ifconfig wlan create wlandev wi0 inet 192.168.0.20 \
                   netmask 0xffffff00 ssid my_net
    
         Join a specific BSS network with WEP encryption:
    
               ifconfig wlan create wlandev wi0 inet 192.168.0.20 \
                   netmask 0xffffff00 ssid my_net \
                   wepmode on wepkey 0x8736639624 weptxkey 1
    
         Join a Lucent legacy demo ad-hoc network with network name "my_net":
    
               ifconfig wlan create wlandev wi0 wlanmode ahdemo \
                   inet 192.168.0.20 netmask 0xffffff00 ssid my_net
    
         Join/create an IBSS network with network name "my_net":
    
               ifconfig bridge0 create
               ifconfig bridge0 addm wlan0 addm fxp0 up
    
         This will give you the same functionality as an access point.
    
    
    

    DIAGNOSTICS

         wi%d: init failed  The WaveLAN card failed to become ready after an ini-
         tialization command was issued.
    
         wi%d: failed to allocate %d bytes on NIC  The driver was unable to allo-
         cate memory for transmit frames in the NIC's on-board RAM.  This can also
         be an indication of an incorrectly configured interrupt.
    
         wi%d: device timeout  The WaveLAN card failed to generate an interrupt to
         acknowledge a transmit command.
    
    
    

    SEE ALSO

         intro(4), pccard(4), pccbb(4), pcic(4), wlan(4), wlan_ccmp(4),
         wlan_tkip(4), wlan_wep(4), wlan_xauth(4), hostapd(8), ifconfig(8),
         wpa_supplicant(8).
    
         HCF Light programming specification, http://www.wavelan.com.
    
    
    

    HISTORY

         The wi device driver first appeared in FreeBSD 3.0.
    
    
    

    AUTHORS

         The original wi driver was written by Bill Paul <wpaul@ctr.columbia.edu>.
         This man page comes from OpenBSD.
    
    
    

    CAVEATS

         The driver will reject devices with old firmware to avoid dealing with
         numerous defects.  Unfortunately the driver does not support downloading
         new firmware to the card so if new firmware is needed users will have to
         boot a different system to accomplish this.
    
         Intersil Prism cards must have firmware versions 0.8.0 or later and ver-
         sion 1.7.0 or later are required to support functionality such as WPA.
         Some users of Prism-II and 2.5 based cards report that station firmware
         version 1.3.4 works better for them in hostap than 1.4.9.  Older versions
         of the Prism station firmware have a number of issues with hostap mode.
         The IBSS/adhoc mode appears to work well on station firmware 1.3.1 and
         later.  The IBSS/adhoc mode appears to have problems for some people with
         older versions of station firmware.
    
         Lucent cards prior to firmware version 6.0.6 do not implement IBSS mode
         and are not supported.
    
         Prior versions of wi supported Symbol firmware.  That support has been
         removed due to persistent problems with this firmware as well as getting
         proper documentation on this firmware.
    
         WL200 PCI wireless cards are based on a Cirrus Logic CL-PD6729 bridge
         chips glued to an Intersil Prism-II PCMCIA chipset w/o the PC Card form
         factor being present.  These chips are special and require special care
         to use properly.  One must set hw.pcic.pd6729_intr_path="2" in
         /boot/loader.conf.  This tells the PC Card system to use PCI interrupts
         for this odd beast.  It is not possible to know automatically which kind
         of interrupts to use.  OLDCARD devices support this device.  NEWCARD
         devices (pccbb(4) and pccard(4)) do not support it at this time.
    
    
    

    BSD August 2, 2008 BSD

    
    
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