[PATCH ath-current v2] wifi: ath12k: fix wrong TID passed when stopping AMPDU session

[Vasanthakumar Thiagarajan]

On 1/26/2026 11:06 PM, Pablo Martin-Gomez wrote:
> When handling a DELBA request, ath12k_dp_rx_ampdu_stop() calls
> ath12k_peer_rx_tid_reo_update() to tear down the BA session for the
> specified TID. However, it currently passes peer->rx_tid instead of the
> entry corresponding to params->tid.
> 
> Since peer->rx_tid is an array, this decays to a pointer to the first
> element, effectively operating on TID 0 regardless of the TID in the
> DELBA request. As a result, the BA session for TID 0 is stopped while
> the intended TID remains active.
> 
> This leads to incorrect BA session state and may significantly reduce
> RX throughput, as traffic that should use aggregation falls back to a
> BA window size of 1 on TID 0.
> 
> Fix this by passing the correct TID entry:
>    &peer->rx_tid[params->tid]
> 
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Signed-off-by: Pablo Martin-Gomez <pmartin-gomez at freebox.fr>

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>