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Diffstat (limited to 'share/man/man4/ath.4')
| -rw-r--r-- | share/man/man4/ath.4 | 121 |
1 files changed, 59 insertions, 62 deletions
diff --git a/share/man/man4/ath.4 b/share/man/man4/ath.4 index 44705f1..80d094a 100644 --- a/share/man/man4/ath.4 +++ b/share/man/man4/ath.4 @@ -1,5 +1,5 @@ .\"- -.\" Copyright (c) 2002-2004 Sam Leffler, Errno Consulting +.\" Copyright (c) 2002-2008 Sam Leffler, Errno Consulting .\" All rights reserved. .\"" .\" Redistribution and use in source and binary forms, with or without @@ -12,9 +12,6 @@ .\" similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any .\" redistribution must be conditioned upon including a substantially .\" similar Disclaimer requirement for further binary redistribution. -.\" 3. Neither the names of the above-listed copyright holders nor the names -.\" of any contributors may be used to endorse or promote products derived -.\" from this software without specific prior written permission. .\" .\" NO WARRANTY .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS @@ -31,7 +28,7 @@ .\" .\" $FreeBSD$ .\"/ -.Dd December 7, 2006 +.Dd April 13, 2008 .Dt ATH 4 .Os .Sh NAME @@ -59,7 +56,7 @@ The .Nm driver provides support for wireless network adapters based on the Atheros AR5210, AR5211, and AR5212 programming APIs. -These APIs are used by a wide variety of chips; all chips with +These APIs are used by a wide variety of chips; most all chips with a PCI and/or CardBus interface are supported. Chip-specific support is provided by the Atheros Hardware Access Layer (HAL), that is packaged separately. @@ -97,26 +94,32 @@ To enable encryption, use .Xr ifconfig 8 as shown below. .Pp -By default, the -.Nm -driver configures the card for BSS operation (aka infrastructure -mode). -This mode requires the use of an access point (base station). -.Pp -The -.Nm -driver also supports the standard IBSS point-to-point mode -where stations can communicate amongst themselves without the -aid of an access point. -.Pp -The driver may also be configured to operate in hostap mode. -In this mode a host may function as an access point (base station). -Access points are different than operating in IBSS mode. -They operate in BSS mode. -They allow for easier roaming and bridge all Ethernet traffic such -that machines connected via an access point appear to be on the local -Ethernet segment. -.Pp +The driver supports +.Cm station , +.Cm adhoc , +.Cm adhoc-demo , +.Cm hostap , +.Cm wds , +and +.Cm monitor +mode operation. +Multiple +.Cm hostap +virtual interfaces may be configured for simultaneous +use on cards that use a 5212 part. +When multiple interfaces are configured each may have a separate +mac address that is formed by setting the U/L bits in the mac +address assigned to the underlying device. +Any number of +.Cm wds +virtual interfaces may be configured together with +.Cm hostap +interfaces. +Multiple +.Cm station +interfaces may be operated together with +.Cm hostap +interfaces to construct a wireless repeater device. For more information on configuring this device, see .Xr ifconfig 8 . .Pp @@ -127,8 +130,10 @@ Wireless cards in Cardbus slots may be inserted and ejected on the fly. .Sh HARDWARE The .Nm -driver supports all Atheros Cardbus or PCI cards, +driver supports most Atheros Cardbus or PCI cards, except those that are based on the AR5005VL chipset. +More recent parts may require a hal that is not part of +.Fb . .Pp A list of cards that are supported can be found at .Pa http://customerproducts.atheros.com/customerproducts/default.asp . @@ -144,38 +149,37 @@ Join a specific BSS network with network name .Pp Join a specific BSS network with WEP encryption: .Bd -literal -offset indent -ifconfig ath0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e +ifconfig wlan0 create wlandev ath0 +ifconfig wlan0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e wepmode on wepkey 0x8736639624 .Ed .Pp Join/create an 802.11b IBSS network with network name .Dq Li my_net : .Bd -literal -offset indent -ifconfig ath0 inet 192.168.0.22 netmask 0xffffff00 ssid my_net \e - mode 11b mediaopt adhoc +ifconfig wlan0 create wlandev ath0 wlanmode adhoc +ifconfig wlan0 inet 192.168.0.22 netmask 0xffffff00 ssid my_net \e + mode 11b .Ed .Pp Create an 802.11g host-based access point: .Bd -literal -offset indent -ifconfig ath0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e - mode 11g mediaopt hostap +ifconfig wlan0 create wlandev ath0 wlanmode hostap +ifconfig wlan0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e + mode 11g .Ed .Pp -Create an 802.11a host-based access point with WEP enabled: +Create two virtual 802.11a host-based access points, one with +with WEP enabled and one with no security, and bridge them to +the fxp0 (wired) device: .Bd -literal -offset indent -ifconfig ath0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e - wepmode on wepkey 0x1234567890 mode 11a mediaopt hostap +ifconfig wlan0 create wlandev ath0 wlanmode hostap \e + ssid paying-customers wepmode on wepkey 0x1234567890 \e + mode 11a up +ifconfig wlan1 create wlandev ath0 wlanmode hostap bssid \e + ssid freeloaders up +ifconfig bridge0 create addm wlan0 addm wlan1 addm fxp0 up .Ed -.Pp -Create a host-based wireless bridge to fxp0: -.Bd -literal -offset indent -ifconfig ath0 inet up ssid my_ap media DS/11Mbps mediaopt hostap -sysctl net.inet.ip.check_interface=0 -ifconfig bridge0 create -ifconfig bridge0 addm ath0 addm fxp0 up -.Ed -.Pp -This will give you the same functionality as an access point. .Sh DIAGNOSTICS .Bl -diag .It "ath%d: unable to attach hardware; HAL status %u" @@ -252,15 +256,18 @@ The driver was unable to install the device interrupt handler. This should not happen. .El .Sh SEE ALSO -.Xr altq 4 , -.Xr an 4 , -.Xr arp 4 , .Xr ath_hal 4 , -.Xr netintro 4 , +.Xr intro 4 , +.Xr cardbus 4 , .Xr pcic 4 , -.Xr wi 4 , .Xr wlan 4 , +.Xr wlan_ccmp 4 , +.Xr wlan_tkip 4 , +.Xr wlan_wep 4 , +.Xr wlan_xauth 4 , +.Xr hostapd 8 , .Xr ifconfig 8 , +.Xr wpa_supplicant 8 . .Sh HISTORY The .Nm @@ -281,17 +288,7 @@ Intersil PrismGT chip and are not supported by this driver. .Sh BUGS There is no software retransmit; only hardware retransmit is used. .Pp -The driver does not fully enable power-save operation of the chip; -consequently power use is suboptimal. -.Pp -The driver honors the regulatory domain programmed into the EEPROM of a -device and does not support overriding this setting. -This is done to insure compliance with local regulatory agencies when -operating as an access point. -Unfortunately this also means that devices purchased for use in one locale -may not be usable in another. -Changes are planned to remove this restriction when operating in station mode. +The driver does not fully enable power-save operation of the chip +in station mode; consequently power use is suboptimal (e.g. on a laptop). .Pp WPA is not supported for 5210 parts. -.Pp -Atheros' SuperG functionality is not supported. |
