From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dmitri Seletski <drjoms@gmail.com>
Date: Sat, 16 May 2009 22:23:53 +0100
Subject: [ath9k-devel] N mode
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References: <4A0EB5A4.5070109@gmail.com>
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To: ath9k-devel@lists.ath9k.org

Dmitri Seletski wrote:
> Hello Guys.
>
> If not mistaking, wireless N mode kicks in automatically. My Access
> point is set to BGN  mixed mode. 99% of time i am only user of wireless
> at home.
> I have dilemma. I can't use cables in house, so wireless is only
> solution, i have very quick broadband connection, we are talking about
> over megabyte a second.
>
> I wouldn't worry much about N mode, but my current speed on G, is only
> 600-max 700 kbyte  a second. Well, my wifi is bottle neck to my
> broadband and it's very annoying.
> To make things worse - I get disconneced very often.
> I am familiar with console and reconnecting all the time manually is
> just plane bad. Writing scripts to keep connection connected is even worse.
>
> What can i do to improve speed and connectivity? Or in other words, what
> should i do to enable N mode?(both devices are Dlink and N mode
> compatible, thats what i bought them)
>
> a little bit of system info:
> my derivers: compat-wireless-2009-05-09
>
> module in use:
> /lib/modules/2.6.29.2/updates/drivers/net/wireless/ath/ath9k/ath9k.ko
>
> uname info:
>  2.6.29.2 #3 SMP PREEMPT Thu May 14 01:19:42 IST 2009 x86_64 AMD
> Athlon(tm) 64 X2 Dual Core Processor 6000+ AuthenticAMD GNU/Linux
>
> iwconfig output:
> wlan0     IEEE 802.11bgn  ESSID:"dlink" 
>           Mode:Managed  Frequency:2.462 GHz  Access Point:
> 00:1E:58:B4:F6:83  
>           Bit Rate=1 Mb/s   Tx-Power=20 dBm  
>           Retry  long limit:7   RTS thr:off   Fragment thr:off
>           Encryption key:off
>           Power Management:on
>           Link Quality=62/70  Signal level=-48 dBm 
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
>
> Link quality is typically between 55-58
> Signal lvl between 42-55
>
> I don't use any security on wireless at all(I live in rural area, you
> know...), besides i do network inspection once in a while.
>
> Please check out lspci.txt  for more details on my machine.
>
> Below list of inserted kernel modules:
>
> f71882fg               28312  0
> snd_seq                49568  0
> output                  3080  0
> ext4                  232992  1
> jbd2                   61912  1 ext4
> crc16                   1928  1 ext4
> fan                     5264  0
> nvidia               8117912  36
> snd_virtuoso           10564  3
> snd_oxygen_lib         28424  1 snd_virtuoso
> ath9k                 241716  0
> snd_pcm                67696  2 snd_oxygen_lib
> snd_timer              19000  3 snd_seq,snd_pcm
> mac80211              193304  1 ath9k
> snd_page_alloc          8120  1 snd_pcm
> snd_mpu401_uart         6344  1 snd_oxygen_lib
> snd_rawmidi            19072  1 snd_mpu401_uart
> snd_seq_device          5564  2 snd_seq,snd_rawmidi
> ath                     9000  1 ath9k
> snd                    50344  12
> snd_seq,snd_virtuoso,snd_oxygen_lib,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
> r8169                  36620  0
> k8temp                  5320  0
> i2c_core               26592  1 nvidia
> hwmon                   2920  2 f71882fg,k8temp
> cfg80211               84384  3 ath9k,mac80211,ath
> soundcore               7744  1 snd
>
>
> Any ideas or advices appreciated, thanks.
> Dmitri
>
> P.S.: i did approach you before i had terrible problems between wifi and
> sli cards, since than motherboard was changed. Now things seem to work.
>
>   
One more thing I have noticed, when i put access point into 802.11 N
mode, iwlist wlan0 scan doesn't bring any result anymore...