Is 802.11a supposed to work with wpi?

[Nathan Lay]

Doug Barton wrote:
> Paul B Mahol wrote:
>   
>> On 12/27/09, Doug Barton <dougb at freebsd.org> wrote:
>>     
>>> Doug Barton wrote:
>>>       
>>>> I have the infamous Intel 3945ABG, and an access point that does
>>>> 802.11a. The card works fine with WPA in Win XP, even with a wall or
>>>> two in between me and the AP.
>>>>
>>>> With FreeBSD I cannot get a link in 802.11a even with no encryption
>>>> and standing in the same room as the AP. Is it supposed to work?
>>>>         
>>> Thanks to Attilio I got my only other 11a card working and it can sync
>>> up with the AP even with WPA. It's not a strong signal, but it works
>>> just fine:
>>>
>>> SSID/MESH ID   CHAN    RATE     S:N     INT    CAPS
>>> my11assid       52     54M    -91:-96   100    EP   WPA
>>>
>>> So this definitely appears to be a wpi issue.
>>>       
>> If you enable bootverbose (via loader or sysctl) what wpi says?
>>     
>
> Thanks for responding. :)
>
> Preloaded elf module "/boot/kernel/if_wpi.ko" at 0xc15a5270.
> wpi0: <Intel(R) PRO/Wireless 3945ABG> mem 0xecfff000-0xecffffff irq 17
> at device 0.0 on pci12
> wpi0: Driver Revision 20071127
> wpi0: Hardware Revision (0x1)
> wpi0: Regulatory Domain: MoW1
> wpi0: Hardware Type: B
> wpi0: Hardware Revision: ?
> wpi0: SKU does support 802.11a
> wpi0: [MPSAFE]
> wpi0: [ITHREAD]
> wpi0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
> wpi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
> wpi0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
> 24Mbps 36Mbps 48Mbps 54Mbps
> wpi0: need multicast update callback
> wpi0: need multicast update callback
> firmware: 'wpifw' version 2144: 149652 bytes loaded at 0xc64945ec
> wpi0: need multicast update callback
> wpi0: need multicast update callback
> wpi0: need multicast update callback
> wpi0: need multicast update callback
>
>
>
>   
Hey Doug,
I've noticed that I've had to explicitly force my Intel Pro Wireless 
2915 to use 11a in the past, try the following:
Try 'ifconfig wlan# mode 11a'

Best Regards,
Nathan Lay