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Man Pages
ZYD(4) FreeBSD Kernel Interfaces Manual ZYD(4)

zyd
ZyDAS ZD1211/ZD1211B USB IEEE 802.11b/g wireless network device

To compile this driver into the kernel, place the following lines in your kernel configuration file:
device ehci
device uhci
device ohci
device usb
device zyd
device wlan
device wlan_amrr
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
if_zyd_load="YES"

The zyd driver provides support for wireless network adapters based around the ZyDAS ZD1211 and ZD1211B USB chips.
zyd supports station and monitor mode operation. Only one virtual interface may be configured at any time. For more information on configuring this device, see ifconfig(8).

The following devices are known to be supported by the zyd driver:
3COM 3CRUSB10075
 
Acer WLAN-G-US1
 
Airlink+ AWLL3025
 
Airlink 101 AWLL3026
 
AOpen 802.11g WL54
 
Asus A9T integrated wireless
 
Asus WL-159g
 
Belkin F5D7050 v.4000
 
Billion BiPAC 3011G
 
Buffalo WLI-U2-KG54L
 
CC&C WL-2203B
 
DrayTek Vigor 550
 
Edimax EW-7317UG
 
Edimax EW-7317LDG
 
Fiberline Networks WL-43OU
 
iNexQ UR055g
 
Linksys WUSBF54G
 
Longshine LCS-8131G3
 
MSI US54SE
 
MyTek MWU-201 USB adapter
 
Philips SNU5600
 
Planet WL-U356
 
Planex GW-US54GZ
 
Planex GW-US54GZL
 
Planex GW-US54Mini
 
Safecom SWMULZ-5400
 
Sagem XG 760A
 
Sagem XG 76NA
 
Sandberg Wireless G54 USB
 
Sitecom WL-113
 
SMC SMCWUSB-G
 
Sweex wireless USB 54 Mbps
 
Tekram/Siemens USB adapter
 
Telegent TG54USB
 
Trendnet TEW-424UB rev A
 
Trendnet TEW-429UB
 
TwinMOS G240
 
Unicorn WL-54G
 
US Robotics 5423
 
X-Micro XWL-11GUZX
 
Yakumo QuickWLAN USB
 
Zonet ZEW2501
 
ZyXEL ZyAIR G-202
 
ZyXEL ZyAIR G-220
 

The following example configures zyd0 to join any BSS network using WEP key “0x1deadbeef1”, channel 11:
ifconfig wlan create wlandev zyd0 channel 11 \ 
    wepmode on wepkey 0x1deadbeef1 weptxkey 1 \ 
    inet 192.168.1.1 netmask 255.255.255.0
Join an existing BSS network, “my_net”:
ifconfig wlan create wlandev zyd0 192.168.0.2 \ 
    netmask 0xffffff00 ssid my_net

zyd%d: could not load firmware (error=%d)
An error occurred while attempting to upload the firmware to the onboard microcontroller unit.
zyd%d: could not send command (error=%s)
An attempt to send a command to the firmware failed.
zyd%d: sorry, radio %s is not supported yet
Support for the specified radio chip is not yet implemented in the driver. The device will not attach.
zyd%d: device version mismatch: 0x%x (only >= 43.30 supported)
Early revisions of the ZD1211 chipset are not supported by this driver. The device will not attach.
zyd%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.

intro(4), netintro(4), usb(4), wlan(4), wlan_amrr(4), wlan_ccmp(4), wlan_tkip(4), wlan_wep(4), ifconfig(8), wpa_supplicant(8)

The original zyd driver was written by Florian Stoehr <ich@florian-stoehr.de>, Damien Bergamini <damien@openbsd.org>, and Jonathan Gray <jsg@openbsd.org>.

The zyd driver does not support a lot of the functionality available in the hardware. More work is required to properly support the IBSS and power management features.
March 7, 2013 FreeBSD 12.0-RELEASE

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