[PATCH ath-current] wifi: ath12k: don't advertise EHT-MCS15 to firmware unless we support it

[Jeff Johnson]

On Thu, 29 Oct 2026 10:18:42 +0800, Baochen Qiang wrote:
> ath12k_peer_assoc_h_eht() copies the peer's EHT PHY capabilities into
> the WMI peer assoc command as is, including the EHT-MCS15 support bits.
> Firmware rate control enables EHT-MCS15 for TX whenever those bits are
> set, without checking whether the local PHY supports MCS15.
> 
> Currently WCN7850 firmware does not support EHT-MCS15 for TX and does
> not advertise it in its own EHT PHY capabilities. When connected to an
> AP that advertises MCS15 support, rate control may still select
> EHT-MCS15, and every PPDU at that rate is aborted by the PHY before it
> goes on the air. TX then stops for minutes while the association stays
> up, and frames sit in the queue until the firmware releases them as aged.
> 
> [...]

Applied, thanks!

[1/1] wifi: ath12k: don't advertise EHT-MCS15 to firmware unless we support it
      commit: 83d689bbe8f90ce39961bcc3a64f2ca2ec184019

Best regards,
-- 
Jeff Johnson <jeff.johnson at oss.qualcomm.com>