Здравствуйте. Пытаюсь настроить линукс-роутер с wifi, но не получается. Есть 
карточка edimax ew-7126 на чипе realtek 8081
lspci -vv:
04:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8180L 802.11b 
MAC (rev 20)
        Subsystem: Realtek Semiconductor Co., Ltd. RTL8180L 802.11b MAC                   
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 32 (8000ns min, 16000ns max), Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 17
        Region 0: I/O ports at 9c00 [size=256]
        Region 1: Memory at fdaff000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA 
PME(D0-,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Kernel driver in use: rtl8180
        Kernel modules: rtl8180

Не могу понять чего не хватает:
# ifconfig wlan0 down                                                                       
# iwconfig wlan0 mode Master channel 1 essid "MyNet"                                       
Error for wireless request "Set Mode" (8B06) :                                                               
    SET failed on device wlan0 ; Invalid argument. 

Выводы lsmod,ifconfig и iwconfig во вложении.