[PATCH v2 0/2] wifi: ath11k/ath12k: apply the 160 MHz NSS ratio to the radio

[Rameshkumar Sundaram]

On 10/21/2026 10:21 PM, Julius Bairaktaris wrote:
> The firmware reports the 160 MHz NSS as a ratio of the radio's 80 MHz
> NSS, but ath11k applies it to the peer's NSS and advertises every chain
> in the HE 160 and 80+80 MCS maps. ath12k fixed this for HE and still
> has the peer-based calculation in its VHT path.
> 
> On a Xiaomi AX3600 (IPQ8071A, 4-chain 5 GHz radio, firmware reports
> WMI_NSS_RATIO_1BY2_NSS), `iw phy` lists 4 streams in the HE 160 MHz
> MCS sets without patch 1 and 2 with it. Patch 2 is compile tested only;
> I have no ath12k hardware.
> 
> Changes in v2:
> - Add Fixes tags.
> - Use the plain Assisted-by form from coding-assistants.rst.
> - Add patch 2 for the same bug in the ath12k VHT path (Rameshkumar).
> 
> v1: https://patch.msgid.link/20261011123631.1664734-1-julius@bairaktaris.de
> 
> Julius Bairaktaris (2):
>    wifi: ath11k: apply the 160 MHz NSS ratio to the radio
>    wifi: ath12k: apply the 160 MHz NSS ratio to the radio for VHT
> 
>   drivers/net/wireless/ath/ath11k/mac.c | 24 +++++++++++++++++-------
>   drivers/net/wireless/ath/ath12k/mac.c |  2 +-
>   2 files changed, 18 insertions(+), 8 deletions(-)
> 

Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram at oss.qualcomm.com>