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

IWN(4)				   BSD Kernel Interfaces Manual 			   IWN(4)

     iwn -- Intel Wireless 4965AGN IEEE 802.11 driver

     iwn* at pci? dev ? function ?

     The iwn driver provides support for Intel Wireless WiFi Link 4965AGN Mini PCI Express net-
     work adapters.

     By default, the iwn driver configures the adapter for BSS operation (aka infrastructure
     mode).  This mode requires the use of an access point.

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

     The iwn driver can be configured at runtime with ifconfig(8) using the following parameters:

     bssid bssid
	     Set the desired BSSID.

     -bssid  Unset the desired BSSID.  The interface will automatically select a BSSID in this
	     mode, which is the default.

     chan n  Set the channel (radio frequency) to be used by the driver based on the given chan-
	     nel ID n.

     -chan   Unset the desired channel to be used by the driver.  The driver will automatically
	     select a channel in this mode, which is the default.

     media media
	     The iwn driver supports the following media types:

	     autoselect  Enable autoselection of the media type and options.

     mediaopt opts
	     The iwn driver supports the following media options:

	     monitor  Select monitor mode.

     -mediaopt opts
	     Disable the specified media options on the driver and return it to the default mode
	     of operation (BSS).

     mode mode
	     The iwn driver supports the following modes:

	     11a  Force 802.11a operation.
	     11b  Force 802.11b operation.
	     11g  Force 802.11g operation.

     nwid id
	     Set the network ID.  The id can either be any text string up to 32 characters in
	     length, or a series of hexadecimal digits up to 64 digits.  An empty id string
	     allows the interface to connect to any available access points.  By default the iwn
	     driver uses an empty string.  Note that network ID is synonymous with Extended Ser-
	     vice Set ID (ESSID).

     nwkey key
	     Enable WEP encryption using the specified key.  The key can either be a string, a
	     series of hexadecimal digits (preceded by '0x'), or a set of keys of the form
	     ``n:k1,k2,k3,k4'', where 'n' specifies which of the keys will be used for transmit-
	     ted packets, and the four keys, ``k1'' through ``k4'', are configured as WEP keys.
	     If a set of keys is specified, a comma (',') within the key must be escaped with a
	     backslash.  Note that if multiple keys are used, their order must be the same within
	     the network.  iwn is capable of using both 40-bit (5 characters or 10 hexadecimal
	     digits) or 104-bit (13 characters or 26 hexadecimal digits) keys.

     -nwkey  Disable WEP encryption.  This is the default mode of operation.

     The following example configures iwn0 to join whatever network is available on boot, using
     WEP key ``0x1deadbeef1'', channel 11, obtaining an IP address using DHCP:

	   dhcp NONE NONE NONE nwkey 0x1deadbeef1 chan 11

     Configure iwn0 for WEP, using hex key ``0x1deadbeef1'':

	   # ifconfig iwn0 nwkey 0x1deadbeef1

     Return iwn0 to its default settings:

	   # ifconfig iwn0 -bssid -chan media autoselect \
		   nwid "" -nwkey

     Join an existing BSS network, ``my_net'':

	   # ifconfig iwn0 netmask 0xffffff00 nwid my_net

     iwn%d: device timeout  A frame dispatched to the hardware for transmission did not complete
     in time.  The driver will reset the hardware.  This should not happen.

     iwn%d: fatal firmware error  For some reason, the firmware crashed.  The driver will reset
     the hardware.  This should not happen.

     iwn%d: radio is disabled by hardware switch  The radio transmitter is off and thus no packet
     can go out.  The driver will reset the hardware.  Make sure the laptop radio switch is on.

     iwn%d: error %d, could not read firmware %s  For some reason, the driver was unable to read
     the firmware image from the filesystem.  The file might be missing or corrupted.

     iwn%d: could not get firmware handle %s
     iwn%d: could not read firmware  The driver was unable to find the file with the proper
     firmware image.  It should be located in /libdata/firmware/if_iwn.

     iwn%d: firmware file too short: %d bytes  The firmware image is corrupted and can't be
     loaded into the adapter.

     iwn%d: could not load firmware  An attempt to load the firmware into the adapter failed.
     The driver will reset the hardware.

     arp(4), ifmedia(4), intro(4), netintro(4), pci(4), ifconfig(8)

     The iwn driver and this man page were written by Damien Bergamini

BSD					   May 27, 2010 				      BSD

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