Message-ID: <99175ee40808240450k7423691bu3ee81cbdba60acda@mail.gmail.com> (sfid-20080824_135026_347529_F1D87E79)
Date: Sun, 24 Aug 2008 19:50:20 +0800
From: Chris <dchris@gmail.com>
To: linux-wireless@vger.kernel.org
Subject: Re: intel 4965agn 54Mbps on Linux but 130Mbps on Windows
In-Reply-To: <99175ee40808240438o75c18f3ayd0c98db87a7c8561@mail.gmail.com>
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Could it come from the fact that the kernel in Ubuntu Hardy does not
have CONFIG_NETDEVICES_MULTIQUEUE enabled ?

I got this warning when I installed compat-wireless but I don't know
if it is required to get 802.11n working.

Best regards,
Chris.

On 8/24/08, Chris <dchris@gmail.com> wrote:
> Hi,
>
> I'm using compat-wireless-2008-08-06.tar.bz2 on Ubuntu Hardy (kernel
> 2.6.24) for my intel 4965agn card in order to connect using 802.11n to
> my router (TL-WR841N from TP-LINK).
> Unfortunately, I'm only able to connect in 802.11g mode under Linux :
> $ iwconfig wlan1
> wlan1     IEEE 802.11abgn  ESSID:"chris"
>           Mode:Managed  Frequency:2.437 GHz  Access Point: 00:1D:0F:33:7E:EC
>           Bit Rate=54 Mb/s   Tx-Power=15 dBm
>           Retry min limit:7   RTS thr:off   Fragment thr=2352 B
>           Power Management:off
>           Link Quality=100/100  Signal level:-30 dBm  Noise level=-95 dBm
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
> $ sudo iwlist wlan1 scan
> wlan1     Scan completed :
>           Cell 01 - Address: 00:1D:0F:33:7E:EC
>                     ESSID:"chris"
>                     Mode:Master
>                     Channel:6
>                     Frequency:2.437 GHz (Channel 6)
>                     Quality=100/100  Signal level:-30 dBm  Noise level=-94
> dBm
>                     Encryption key:on
>                     IE: IEEE 802.11i/WPA2 Version 1
>                         Group Cipher : CCMP
>                         Pairwise Ciphers (1) : CCMP
>                         Authentication Suites (1) : PSK
>                     IE: Unknown:
> 2D1A4C1003FFFF000000000000000000000000000000000000000000
>                     Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
>                               9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
>                               48 Mb/s; 54 Mb/s
>                     Extra:tsf=000000003aefe580
>                     Extra: Last beacon: 12ms ago
>
> As you can see, no bit rate greater than 54Mbps is detected. I tried
> under Windows with latest intel driver and it connects at 130Mbps.
> Does the Linux driver support 802.11n? If so, do you have any
> suggestion to make this work here? I will be happy to provide any
> information you may require.
>
> In dmesg output, I simply get this:
> [   95.465080] wlan1: authenticate with AP 00:1d:0f:33:7e:ec
> [   95.467416] wlan1: authenticated
> [   95.467421] wlan1: associate with AP 00:1d:0f:33:7e:ec
> [   95.471491] wlan1: RX AssocResp from 00:1d:0f:33:7e:ec (capab=0x431
> status=0 aid=1)
> [   95.471496] wlan1: associated
> [   95.471533] wlan1 (WE) : Wireless Event too big (314)
>
> Best regards,
> Chris.
>