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Re: virtual access poitns (ath5k/mac80211)

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On Sun, Aug 1, 2010 at 3:21 PM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote:
> On 08/01/2010 01:56 PM, Ryszard wrote:
>>
>> Hey Florian,
>>
>> thanks for the help on this! Ben/Patrick, if you rebase the patches
>> for this functionality, i'm more than happy and willing to do userland
>> testing on this to move it along.
>>
>> regs
>>
>> On 1 August 2010 19:37, Florian Fainelli<florian@xxxxxxxxxxx>  wrote:
>>>
>>> Hi,
>>>
>>> Le Sunday 1 August 2010 03:53:13, Ryszard a écrit :
>>>>
>>>> Hi all,
>>>>
>>>> i'm working on a project that requires i can create multiple access
>>>> points on the one bit of hardware.  After an insane amount of googling
>>>> and reading the lists the closest i've been able to come up with is
>>>> something along the lines of:
>>>> iw dev wlan0 interface add vap0 type __ap
>>>> iw dev wlan0 interface add vap1 type __ap
>>>>
>>>> then using macchanger to assign unique mac addresses.
>>>>
>>>> I've also seen something from March 2009
>>>> (http://lwn.net/Articles/321690/) that hints at the functionality
>>>> available with the ath9k which gave me a bit of hope!
>>>>
>>>> My question is, is it possible to create multiple virtual access
>>>> points with my hardware ( Atheros Communications Inc. AR5413 802.11abg
>>>> ) and the ath5k/mac80211 drivers (or is there some other method to
>>>> achieve what i'm after) ?  i'm not too fussed about different
>>>> channels, but different SSID's and WPA keys are a requirement for the
>>>> project.
>>>
>>> There is support for creating virtual interfaces using iw and ath5k here:
>>> http://www.candelatech.com/oss/vsta.html
>>>
>>> I really wish someone could submit this mainline, unfortunately it is
>>> pretty
>>> hard to isolate the commits in this tree which are implementing virtual
>>> interfaces support.
>>>
>>> Ben, Patrick, could you rebase your patches on top of wireless-testing
>>> and
>>> send them for review/testing?
>
> You would not believe how hard it is to keep up with the wireless tree.
>  Last time,
> by the time we had something stable, upstream had changed too much to merge.

This is why you should not do your development outside of
wireless-testing. If you are doing development on a stable kernel tree
then you will likely run into huge issues. You should do development
on wireless-testing.git, always rebase when John has a new update, and
break your changes out into a small changes as possible. If you follow
these basic rules I believe you will likely have better luck with
keeping your code up to date.

  Luis
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