Re: [RFC 0/4] mac80211: add TPC support in control path

[Johannes Berg <johannes@sipsolutions.net>]

On Mon, 2022-08-29 at 16:41 +0200, Jonas Jelonek wrote:
> Transmit power control (TPC) per packet hence per station can be used to
> manage interference and increase overall spatial reuse and therefore
> increases sum throughput in WiFi networks with multiple APs and STAs.
> Although several of today's wifi chips, e.g., from QCA and from Mediatek
> support fine-grained TPC per packet, the Linux mac80211 layer does not
> provide support this annotation nor control yet.
> 
> This series proposes several changes to introduce TPC support in
> mac80211, in particular to annotate tx-power per packet/per mrr stage in
> the Tx control path.
> The patches include new nembers in the Tx control path structs, a
> modified tx-power level support annotation, hardware flags and an
> utility function for the convenient use of struct ieee80211_rate_status
> (introduced by 44fa75f207d8a106bc75e6230db61e961fdbf8a8) for tx-power
> status report in drivers.
> 
> Compile-Tested: current wireless-next tree with all flags on
> Tested-on PCEngines APU with ath9k WiFi device on OpenWrt Linux
>         Kernel 5.10.137
> 

That seems just a little old? Not sure I'd trust that given the major
changes in the tree recently?

johannes