[ath9k-devel] N mode

[Dmitri Seletski <drjoms@gmail.com>]

Luis R. Rodriguez wrote:
> On Mon, May 18, 2009 at 02:33:37PM -0700, Dmitri Seletski wrote:
>   
>> Luis R. Rodriguez wrote:
>>     
>>> On Mon, May 18, 2009 at 01:57:52PM -0700, Dmitri Seletski wrote:
>>>
>>>       
>>>> Forgot to mention, i used bleeding edge this time, but if you want me
>>>> to, I can of course try stable branch.
>>>>
>>>>         
>>> Bleeding edge is fine but keep in mind john hasn't applied a series
>>> of patches pending for ath9k. Particularly power save fixes have been
>>> posted and by default this is enabled so you can try to disable this
>>> and see if it helps. Set:
>>>
>>> CONFIG_MAC80211_DEFAULT_PS=n
>>>
>>> If using compat-wireless you can stuff this into config.mk.
>>> Once these patches get merged you can try again with it enabled.
>>>
>>> Anyway I don't think your issues may be PS related, but more interoperability
>>> related, your AP may be doing something we don't expect somehow yet in either
>>> mac80211 or ath9k.
>>>
>>> Either way please test with PS disabled by default and see if that helps.
>>> You can also try the stable RC releases, that doesn't have PS enabled by
>>> default.
>>>
>>>   Luis
>>>
>>>       
>> Same story, downloaded, installed new stable version, connects in gmode
>> and fails to connect when i set Access Point to N mode.
>> :( can i add any debug information into it or something?
>>     
>
> Did you disable PS?
>
> Better yet John just merged a ton of patches, please give compat-wireless
> another shot, I just pushed out a new tarball. You can compile and install
> that as is.
>
> v2.6.30-rc6-23952-g30cf869
> wireless-testing latest tag:
> master-2009-05-18
> This is compat-release:
> master-2009-05-18-1-gf28a634
>
>   Luis
>   
Luis,

compat-wireless-2009-05-19 # grep CONFIG_MAC80211_DEFAULT_PS config.mk 
CONFIG_MAC80211_DEFAULT_PS=n
CONFIG_MAC80211_DEFAULT_PS_VALUE=1

make :)

make unload
make install
modprobe ath9k
ip link set wlan0 up
iwconfig wlan0 essid dlink

last (IMHO)relevan't dmesg messages(got loads of dmesg history today)


[14147.633677] phy0: Atheros AR5416 MAC/BB Rev:2 AR2133 RF Rev:81:
mem=0xffffc200114e0000, irq=19
[14182.582492] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[14216.110829] wlan0: direct probe to AP 00:1e:58:b4:f6:83 try 1
[14216.310267] wlan0: direct probe to AP 00:1e:58:b4:f6:83 try 2
[14216.316846] wlan0 direct probe responded
[14216.316848] wlan0: authenticate with AP 00:1e:58:b4:f6:83
[14216.320962] wlan0: authenticated
[14216.320964] wlan0: associate with AP 00:1e:58:b4:f6:83
[14216.520277] wlan0: associate with AP 00:1e:58:b4:f6:83
[14216.527099] wlan0: deauthenticated (Reason: 9)
[14217.527273] wlan0: direct probe to AP 00:1e:58:b4:f6:83 try 3
[14217.727264] wlan0: direct probe to AP 00:1e:58:b4:f6:83 timed out
[14231.356054] wlan0: authenticate with AP 00:1e:58:b4:f6:83
[14231.359188] wlan0: authenticated
[14231.359191] wlan0: associate with AP 00:1e:58:b4:f6:83
[14231.367102] wlan0: deauthenticated (Reason: 9)
[14232.367277] wlan0: direct probe to AP 00:1e:58:b4:f6:83 try 1
[14232.567284] wlan0: direct probe to AP 00:1e:58:b4:f6:83 try 2
[14232.570837] wlan0 direct probe responded
[14232.570843] wlan0: authenticate with AP 00:1e:58:b4:f6:83
[14232.573250] wlan0: authenticated
[14232.573434] wlan0: associate with AP 00:1e:58:b4:f6:83
[14232.773283] wlan0: associate with AP 00:1e:58:b4:f6:83
[14232.780130] wlan0: deauthenticated (Reason: 9)
[14233.780276] wlan0: direct probe to AP 00:1e:58:b4:f6:83 try 3
[14233.784639] wlan0 direct probe responded
[14233.784645] wlan0: authenticate with AP 00:1e:58:b4:f6:83
[14233.799082] wlan0: authenticated
[14233.799087] wlan0: association with AP 00:1e:58:b4:f6:83 timed out

Access point in N mode only currently.

Switching to mixture of N, G, B and dmesg throws this:
[14233.799087] wlan0: association with AP 00:1e:58:b4:f6:83 timed out
[14435.358964] wlan0: authenticate with AP 00:1e:58:b4:f6:83
[14435.362920] wlan0: authenticated
[14435.362922] wlan0: associate with AP 00:1e:58:b4:f6:83
[14435.371750] wlan0: RX AssocResp from 00:1e:58:b4:f6:83 (capab=0x421
status=0 aid=1)
[14435.371752] wlan0: associated
[14435.372601] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[14435.839637] wlan0: disassociated (Reason: 8)

this time connection doesn't seem to work at all, but i have quite weak
wireless medium...(that the reason behind me buying N enabled device in
first place)

Dmesg:
[14435.839637] wlan0: disassociated (Reason: 8)
[14446.014258] wlan0: no IPv6 routers present
[14583.315714] wlan0: authenticate with AP 00:1e:58:b4:f6:83
[14583.320697] wlan0: authenticated
[14583.320702] wlan0: associate with AP 00:1e:58:b4:f6:83
[14583.335389] wlan0: RX ReassocResp from 00:1e:58:b4:f6:83 (capab=0x421
status=0 aid=1)
[14583.335397] wlan0: associated

compat-wireless-2009-05-19 # iwconfig wlan0
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=48/70  Signal level=-62 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

Regards Dmitri