[ath9k-devel] I can't find ath9k ofdm mapping part

On 19 October 2016 at 17:47, SangHyuk Kim <[email protected]> wrote:
> Thank you for your reply.
>
> Then can I control (modify) hardware operating ?
>
> If it's possible, how can I approach that ?

You can control what TX rate is used, TX power, number of streams, etc
by TX descriptor fields. But it all maps to the known 11abgn encoding
types.



-adrian

>
>
> 2016-10-20 5:54 GMT+09:00 Adrian Chadd <[email protected]>:
>>
>> hi,
>>
>> it's done for you in the chip in hardware. not firmware.
>>
>>
>> -a
>>
>>
>> On 17 October 2016 at 22:46, SangHyuk Kim <[email protected]> wrote:
>> > Dear all,
>> >
>> > I'm using ath9k_ar9003 type and ath9k_htc type.
>> >
>> > And I'm studying how packet be transmitted through wifi driver.
>> >
>> > I have researched from application layer to phy and I'm done to the MAC
>> > layer.
>> >
>> > However, I can't find any parts about data mapping to carriers.
>> >
>> > As I know, for OFDM, there're several subcarrier in specific bandwidth
>> > and
>> > user data(payload) fills subcarrier.
>> >
>> > Which part responsible for mapping?
>> >
>> > It is implemented at firmware level ?
>> >
>> > Please help me !
>> >
>> > Thanks.
>> >
>> > _______________________________________________
>> > ath9k-devel mailing list
>> > ath9k-devel at lists.ath9k.org
>> > https://lists.ath9k.org/mailman/listinfo/ath9k-devel
>> >
>
>