[PATCH ath-current] wifi: ath12k: Fix wrong P2P device link id issue

[Baochen Qiang]

On 1/13/2026 1:46 PM, Yingying Tang wrote:
> Wrong P2P device link id value of 0 was introduced in ath12k_mac_op_tx() by [1].
> 
> During the P2P negotiation process, there is only one scan vdev with link ID 15.
> Currently, the device link ID is incorrectly set to 0 in ath12k_mac_op_tx()
> during the P2P negotiation process, which leads to TX failures.
> 
> Set the correct P2P device link ID to 15 to fix the TX failure issue.
> 
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3
> 
> Fixes: 648a121bafa3 ("wifi: ath12k: ath12k_mac_op_tx(): MLO support") # [1]
> Signed-off-by: Yingying Tang <yingying.tang at oss.qualcomm.com>
> ---
>  drivers/net/wireless/ath/ath12k/mac.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
> index db351c922018..32cdf6d73ac0 100644
> --- a/drivers/net/wireless/ath/ath12k/mac.c
> +++ b/drivers/net/wireless/ath/ath12k/mac.c
> @@ -8838,7 +8838,10 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw,
>  			return;
>  		}
>  	} else {
> -		link_id = 0;
> +		if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
> +			link_id = ATH12K_FIRST_SCAN_LINK;
> +		else
> +			link_id = 0;
>  	}
>  
>  	arvif = rcu_dereference(ahvif->link[link_id]);

Reviewed-by: Baochen Qiang <baochen.qiang at oss.qualcomm.com>