Controlling Random Backoff Time

Greenstein, Adam amg10c at my.fsu.edu
Mon Oct 6 10:22:59 PDT 2014


Thanks for replies,

To clarify I do mean that I would like to change the random value on the fly as Matteo suggested. I have searched the firmware source but have not been able to find it implemented anywhere yet.

Adam 

On Oct 6, 2014, at 1:09 PM, Oleksij Rempel <linux at rempel-privat.de> wrote:

> Am 06.10.2014 um 18:52 schrieb Matteo Danieletto:
>> Hi,
>> Olekesij, when you write backoff threshold do you mean CWmax, don't you?
> 
> I mean AR_D_MISC_BKOFF_THRESH and some more AR_D_MISC_ related bits. But
> it dos not looks like it was ever used.
> 
>> Adam, what does control the random backoff mean? Change on the fly the random value chose? 
>> 
>> Also I was looking to find where is chosen the back off value, but I didn’t find the in source code . So I don’t know if the random backoff algorithm is implemented in firmware or inside the chipset .
>> 
>> Cheers
>> Matteo
>> 
>> On Oct 6, 2014, at 7:57 AM, Oleksij Rempel <linux at rempel-privat.de> wrote:
>> 
>>> Am 05.10.2014 um 21:56 schrieb Greenstein, Adam:
>>>> Hi all, 
>>>> 
>>>> Is it possible to precisely control the random backoff time within this firmware? If so how can this best be done? 
>>> 
>>> Hi,
>>> 
>>> this HW provide some control: backoff vs RTS/CTS mode; backoff threshold
>>> and so on. If, it is what you need, that it should be possible to use
>>> btw add it in to FW.
>>> 
>>> -- 
>>> Regards,
>>> Oleksij
>>> 
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>> 
>> 
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> 
> 
> -- 
> Regards,
> Oleksij
> 




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