[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Saravanan M P]

Hi
I installed this DLink PCIe cards in the two desktops to create an adhoc
network. Surprisingly, the data rate that I got (verified through Iperf) was
around 1Mbps. All default settings.
Any one faced this issue earlier? Any suggested solutions?
I'm trying to stream video between these machines and need a good
throughput.

Thanks.

Saravanan.
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[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Luis R. Rodriguez]

On Mon, Aug 11, 2008 at 03:26:05AM -0700, Saravanan M P wrote:
> Hi
> I installed this DLink PCIe cards in the two desktops to create an adhoc network. Surprisingly, the data rate that I got (verified through Iperf) was around 1Mbps. All default settings.
> Any one faced this issue earlier? Any suggested solutions?
> I'm trying to stream video between these machines and need a good throughput.

Saravanan,

Thanks for reporting this and testing. As of right now Ad-hoc just has
the initial bits and pieces, we haven't finished it nor tested it
thoroughly. For now you should not rely on it. We will address this
eventually though.

Thanks,

  Luis

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Robert Horvath]

Louis,

We are in desperate need of ad-hoc networking, any help would be really 
appreciated.
When dou you plan to finish the ad-hoc networking?
If you don't know when, who can provide informatin for us about timing?
Is there a possibility to help you with the development of this 
functionality?
Do you have any suggestions how we can help to make the development 
process shorter?

Thanks,
Robert



Do you have an idea when the ad-hoc capability will be
 >On Mon, Aug 11, 2008 at 03:26:05AM -0700, Saravanan M P wrote:
 >> Hi
 >> I installed this DLink PCIe cards in the two desktops to create an 
adhoc network. Surprisingly, the data rate that I got (verified through 
Iperf) was around 1Mbps. All default settings.
 >> Any one faced this issue earlier? Any suggested solutions?
 >> I'm trying to stream video between these machines and need a good 
throughput.
 >
 >Saravanan,
 >
 >Thanks for reporting this and testing. As of right now Ad-hoc just has
 >the initial bits and pieces, we haven't finished it nor tested it
 >thoroughly. For now you should not rely on it. We will address this
 >eventually though.
 >
 >Thanks,
 >
 >  Luis
 >
 >

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Luis R. Rodriguez]

On Tue, Aug 12, 2008 at 07:34:56AM -0700, Robert Horvath wrote:
> Louis,
> 
> We are in desperate need of ad-hoc networking, any help would be really
> appreciated.
> When dou you plan to finish the ad-hoc networking?

I hope we'll get it fixed for 27.

> If you don't know when, who can provide informatin for us about timing?
> Is there a possibility to help you with the development of this
> functionality?

Sure, testing and patches.

> Do you have any suggestions how we can help to make the development
> process shorter?

Try ad-hoc with Jouni's beaconing (AP) patches posted.

  Luis

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Sujith]

Luis R. Rodriguez wrote:
 > On Tue, Aug 12, 2008 at 07:34:56AM -0700, Robert Horvath wrote:
 > > Louis,
 > > 
 > > We are in desperate need of ad-hoc networking, any help would be really
 > > appreciated.
 > > When dou you plan to finish the ad-hoc networking?
 > 
 > I hope we'll get it fixed for 27.
 > 
 > > If you don't know when, who can provide informatin for us about timing?
 > > Is there a possibility to help you with the development of this
 > > functionality?
 > 
 > Sure, testing and patches.
 > 
 > > Do you have any suggestions how we can help to make the development
 > > process shorter?
 > 
 > Try ad-hoc with Jouni's beaconing (AP) patches posted.

Apparently, ad-hoc is broken.
Tomas sent an e-mail to linux-wireless mentioning this.
Check http://marc.info/?l=linux-wireless&m=121855002525518&w=2

Sujith

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Amit Sood]

Hi,

I was testing it on WMP300n V2. I had similar problem, iwconfig shows speed of 1Mbps.The driver was not stable. In the dmesg the message was coming up:

ADDRCONF(NETDEV_UP): wlan0: link is not ready

This happened few times. 

Also noticed that with new driver (compared to ndiswrapper) its able to see less AP in range (3 compared to 7 using ndiswrapper). 

Kind Regards

Amit



----- Original Message ----
From: Saravanan M P <mpsaravanan@gmail.com>
To: ath9k-devel at lists.ath9k.org
Sent: Monday, 11 August, 2008 8:26:05 PM
Subject: [ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode


Hi
I installed this DLink PCIe cards in the two desktops to create an adhoc network. Surprisingly, the data rate that I got (verified through Iperf) was around 1Mbps. All default settings.
Any one faced this issue earlier? Any suggested solutions?
I'm trying to stream video between these machines and need a good throughput.

Thanks.

Saravanan.



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[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Luis R. Rodriguez]

On Tue, Aug 12, 2008 at 05:46:12PM -0700, Amit Sood wrote:
> Hi,
> 
> I was testing it on WMP300n V2. I had similar problem, iwconfig shows speed of 1Mbps.The driver was not stable. In the dmesg the message was coming up:
> 
> ADDRCONF(NETDEV_UP): wlan0: link is not ready

Please see the thread on this topic.

> This happened few times.
> 
> Also noticed that with new driver (compared to ndiswrapper) its able to see less AP in range (3 compared to 7 using ndiswrapper).

We haven't added ANI yet, this should help with RX.

  Luis

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Amit Sood]

Hi Luis,

Thanks for your reply. However I only found one thread on this topic & there is as such no solution. I'm having no such problem with Ralink or Linksys WUSB54G.

cheers,

-amit-



----- Original Message ----
From: Luis R. Rodriguez <lrodriguez@atheros.com>
To: Amit Sood <as22_2000@yahoo.com>
Cc: "ath9k-devel at lists.ath9k.org" <ath9k-devel@lists.ath9k.org>
Sent: Wednesday, 13 August, 2008 11:12:48 AM
Subject: Re: [ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

On Tue, Aug 12, 2008 at 05:46:12PM -0700, Amit Sood wrote:
> Hi,
> 
> I was testing it on WMP300n V2. I had similar problem, iwconfig shows speed of 1Mbps.The driver was not stable. In the dmesg the message was coming up:
> 
> ADDRCONF(NETDEV_UP): wlan0: link is not ready

Please see the thread on this topic.

> This happened few times.
> 
> Also noticed that with new driver (compared to ndiswrapper) its able to see less AP in range (3 compared to 7 using ndiswrapper).

We haven't added ANI yet, this should help with RX.

  Luis



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[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Luis R. Rodriguez]

On Tue, Aug 12, 2008 at 10:49:55PM -0700, Amit Sood wrote:
> Hi Luis,
> 
> Thanks for your reply. However I only found one thread on this topic & there is as such no solution. I'm having no such problem with Ralink or Linksys WUSB54G.

Amit, thanks for pointing that out. Just to clarify, are you saying
with the same wireless-testing version you rt2x00 devices are operating
correctly in Ad-hoc?

  Luis

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Kevin Mitchell]

I also see 1Mb/s from iwconfig with my ar5418, but I don't think this
means anything as my router (Dlink DIR-655) tells me its anywhere
between 100-300Mb/s and I usually real get speeds 15-25Mb/s vs.
~20Mb/s for madwifi.

On Tue, Aug 12, 2008 at 10:49 PM, Amit Sood <as22_2000@yahoo.com> wrote:
> Hi Luis,
>
> Thanks for your reply. However I only found one thread on this topic & there is as such no solution. I'm having no such problem with Ralink or Linksys WUSB54G.
>
> cheers,
>
> -amit-
>
>
>
> ----- Original Message ----
> From: Luis R. Rodriguez <lrodriguez@atheros.com>
> To: Amit Sood <as22_2000@yahoo.com>
> Cc: "ath9k-devel at lists.ath9k.org" <ath9k-devel@lists.ath9k.org>
> Sent: Wednesday, 13 August, 2008 11:12:48 AM
> Subject: Re: [ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode
>
> On Tue, Aug 12, 2008 at 05:46:12PM -0700, Amit Sood wrote:
>> Hi,
>>
>> I was testing it on WMP300n V2. I had similar problem, iwconfig shows speed of 1Mbps.The driver was not stable. In the dmesg the message was coming up:
>>
>> ADDRCONF(NETDEV_UP): wlan0: link is not ready
>
> Please see the thread on this topic.
>
>> This happened few times.
>>
>> Also noticed that with new driver (compared to ndiswrapper) its able to see less AP in range (3 compared to 7 using ndiswrapper).
>
> We haven't added ANI yet, this should help with RX.
>
>  Luis
>
>
>
>      Did you know? You can CHAT without downloading messenger. Go to http://in.webmessenger.yahoo.com/
>
> _______________________________________________
> ath9k-devel mailing list
> ath9k-devel at lists.ath9k.org
> https://lists.ath9k.org/mailman/listinfo/ath9k-devel
>

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Luis R. Rodriguez]

On Wed, Aug 13, 2008 at 04:47:20PM -0700, Kevin Mitchell wrote:
> I also see 1Mb/s from iwconfig with my ar5418, but I don't think this
> means anything as my router (Dlink DIR-655) tells me its anywhere
> between 100-300Mb/s and I usually real get speeds 15-25Mb/s vs.
> ~20Mb/s for madwifi.

Good point. I forget he could have just been looking at that.

> On Tue, Aug 12, 2008 at 10:49 PM, Amit Sood <as22_2000@yahoo.com> wrote:
> > Hi Luis,
> >
> > Thanks for your reply. However I only found one thread on this topic & there is as such no solution. I'm having no such problem with Ralink or Linksys WUSB54G.
> >
> > cheers,

Amit, if you are reporting that you get 1 Mbps because that is what
iwconfig tells you then that doesn't mean you are using 1 Mbps. We have
to fix the rate used in ath9k as reported by ath9k. To really test the
throughput please use iperf.

  Luis

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Amit Sood]

Hi Luis, Kevin,

Actually I'm reffering to problem related to "ADDRCONF(NETDEV_UP): wlan0: link is not ready". I'm was testing WMP300N v2 on kernel 2.6.25/27 (with compat & ath9k) and also on the latest wireless-testing kernel. I'm facing same problem on both the kernels. The card is not coming up & even if it comes up not stable. I see above mentioned message in dmesg.. If I do iwconfig in kernel 2.6.25/27 I'll see the ssid is missing & even I tried manually to set essid it will not work & there will be no associated AP. However in wireless-testing I can see the ssid however no associated AP. The network does not work. I've to restart the system or some time ifdown/up the network.

I understand from Thread that iwconfig will not give us the right spped at this moment.

cheers,

-amit-



----- Original Message ----
From: Luis R. Rodriguez <lrodriguez@atheros.com>
To: Kevin Mitchell <kevmitch@gmail.com>
Cc: "ath9k-devel at lists.ath9k.org" <ath9k-devel@lists.ath9k.org>
Sent: Thursday, 14 August, 2008 9:58:14 AM
Subject: Re: [ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

On Wed, Aug 13, 2008 at 04:47:20PM -0700, Kevin Mitchell wrote:
> I also see 1Mb/s from iwconfig with my ar5418, but I don't think this
> means anything as my router (Dlink DIR-655) tells me its anywhere
> between 100-300Mb/s and I usually real get speeds 15-25Mb/s vs.
> ~20Mb/s for madwifi.

Good point. I forget he could have just been looking at that.

> On Tue, Aug 12, 2008 at 10:49 PM, Amit Sood <as22_2000@yahoo.com> wrote:
> > Hi Luis,
> >
> > Thanks for your reply. However I only found one thread on this topic & there is as such no solution. I'm having no such problem with Ralink or Linksys WUSB54G.
> >
> > cheers,

Amit, if you are reporting that you get 1 Mbps because that is what
iwconfig tells you then that doesn't mean you are using 1 Mbps. We have
to fix the rate used in ath9k as reported by ath9k. To really test the
throughput please use iperf.

  Luis
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ath9k-devel at lists.ath9k.org
https://lists.ath9k.org/mailman/listinfo/ath9k-devel



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[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Amit Sood]

Just to add to below, when this message appears in dmesg, I was unable to find any wifi network even using iwlist wlan0 scanning.

cheers,

-amit-



----- Original Message ----
From: Amit Sood <as22_2000@yahoo.com>
To: Luis R. Rodriguez <lrodriguez@atheros.com>; Kevin Mitchell <kevmitch@gmail.com>
Cc: "ath9k-devel at lists.ath9k.org" <ath9k-devel@lists.ath9k.org>
Sent: Thursday, 14 August, 2008 11:00:13 AM
Subject: Re: [ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

Hi Luis, Kevin,

Actually I'm reffering to problem related to "ADDRCONF(NETDEV_UP): wlan0: link is not ready". I'm was testing WMP300N v2 on kernel 2.6.25/27 (with compat & ath9k) and also on the latest wireless-testing kernel. I'm facing same problem on both the kernels. The card is not coming up & even if it comes up not stable. I see above mentioned message in dmesg.. If I do iwconfig in kernel 2.6.25/27 I'll see the ssid is missing & even I tried manually to set essid it will not work & there will be no associated AP. However in wireless-testing I can see the ssid however no associated AP. The network does not work. I've to restart the system or some time ifdown/up the network.

I understand from Thread that iwconfig will not give us the right spped at this moment.

cheers,

-amit-



----- Original Message ----
From: Luis R. Rodriguez <lrodriguez@atheros.com>
To: Kevin Mitchell <kevmitch@gmail.com>
Cc: "ath9k-devel at lists.ath9k.org" <ath9k-devel@lists.ath9k.org>
Sent: Thursday, 14 August, 2008 9:58:14 AM
Subject: Re: [ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

On Wed, Aug 13, 2008 at 04:47:20PM -0700, Kevin Mitchell wrote:
> I also see 1Mb/s from iwconfig with my ar5418, but I don't think this
> means anything as my router (Dlink DIR-655) tells me its anywhere
> between 100-300Mb/s and I usually real get speeds 15-25Mb/s vs.
> ~20Mb/s for madwifi.

Good point. I forget he could have just been looking at that.

> On Tue, Aug 12, 2008 at 10:49 PM, Amit Sood <as22_2000@yahoo.com> wrote:
> > Hi Luis,
> >
> > Thanks for your reply. However I only found one thread on this topic & there is as such no solution. I'm having no such problem with Ralink or Linksys WUSB54G.
> >
> > cheers,

Amit, if you are reporting that you get 1 Mbps because that is what
iwconfig tells you then that doesn't mean you are using 1 Mbps. We have
to fix the rate used in ath9k as reported by ath9k. To really test the
throughput please use iperf.

  Luis
_______________________________________________
ath9k-devel mailing list
ath9k-devel at lists.ath9k.org
https://lists.ath9k.org/mailman/listinfo/ath9k-devel



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_______________________________________________
ath9k-devel mailing list
ath9k-devel at lists.ath9k.org
https://lists.ath9k.org/mailman/listinfo/ath9k-devel



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[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Luis R. Rodriguez]

On Thu, Aug 14, 2008 at 5:15 PM, Amit Sood <as22_2000@yahoo.com> wrote:
> Just to add to below, when this message appears in dmesg, I was unable to find any wifi network even using iwlist wlan0 scanning.

> Actually I'm reffering to problem related to "ADDRCONF(NETDEV_UP): wlan0: link is not ready".

Did you try ifconfig wlan0 up? You only get your link up *when you are
associated*. You need *interface up* (ifconfig wlan0 up) to be able to
scan.

Just checking.

  Luis

[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Amit Sood]

Hi Luis,

I tried 'ifup wlan0' or iwconfig essid "myeesid" (in case of kernel 2.6.26/27), it does not help. 

cheers,

-amit-



----- Original Message ----
From: Luis R. Rodriguez <lrodriguez@atheros.com>
To: Amit Sood <as22_2000@yahoo.com>
Cc: Kevin Mitchell <kevmitch@gmail.com>; "ath9k-devel at lists.ath9k.org" <ath9k-devel@lists.ath9k.org>
Sent: Friday, 15 August, 2008 10:24:01 AM
Subject: Re: [ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

On Thu, Aug 14, 2008 at 5:15 PM, Amit Sood <as22_2000@yahoo.com> wrote:
> Just to add to below, when this message appears in dmesg, I was unable to find any wifi network even using iwlist wlan0 scanning.

> Actually I'm reffering to problem related to "ADDRCONF(NETDEV_UP): wlan0: link is not ready".

Did you try ifconfig wlan0 up? You only get your link up *when you are
associated*. You need *interface up* (ifconfig wlan0 up) to be able to
scan.

Just checking.

  Luis



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[ath9k-devel] ath9k on DWA556 - Very low data rate in Ad-Hoc mode

[Luis R. Rodriguez]

On Thu, Aug 14, 2008 at 11:32:57PM -0700, Amit Sood wrote:
> Hi Luis,
> 
> I tried 'ifup wlan0' or iwconfig essid "myeesid" (in case of kernel 2.6.26/27), it does not help.

After

ifconfig wlan0 up

try scanning:

iwlist wlan0 scan

  Luis