Setting per-frame tx rate for frames injected in raw tx mode

Valo, Kalle kvalo at
Tue May 17 00:43:41 PDT 2016

Raj Joshi <rajjoshi at> writes:

> But I believe there should be some way of fixing rate settings from
> upper layers of the pipeline. iw lets us do manual bitrate
> configuration [2] for ath10k which works as expected. But this only
> helps in setting of rate per-session. I am still finding answers to
> the following questions:
> 1) What is it that iw does that it manages to get the manual bitrate
> configuration?
> 2) How does it ask the firmware to not do any RA and always honor the
> set rate? Basically how does it override the default RA?

The firmware has separate WMI vdev parameters for setting a fixed rate,
check ath10k_mac_op_set_bitrate_mask() for more info.

> 3) Can we do the same on a per-packet basis?

The firmware currently doesn't support that.

Kalle Valo

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