[PATCH ath-next 6/8] wifi: ath12k: track per-ring RX sent-to-stack count

[Pardeep Kaur]

On 26-07-2026 21:41, Jeff Johnson wrote:
> On 7/23/2026 5:54 AM, Pardeep Kaur wrote:
>> diff --git a/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c b/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c
>> index b203513d63cc..33c4c89eefb5 100644
>> --- a/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c
>> +++ b/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c
>> @@ -651,7 +651,10 @@ ath12k_wifi7_dp_rx_process_received_packets(struct ath12k_dp *dp,
>>   			dev_kfree_skb_any(msdu);
>>   			continue;
>>   		}
>> -
>> +		if (likely(ring_id < DP_REO_DST_RING_MAX))
>> +			partner_dp->device_stats.sent_to_stack[ring_id]++;
> My review agent had the following finding which I did not try to validate:
>
> sent_to_stack[] is incremented on partner_dp but reo_rx[] is on dp — this
> splits correlated stats across two devices' debugfs files in MLO
>
> In a 2-device MLO group, ath12k_wifi7_dp_rx_process_received_packets()
> increments partner_dp->device_stats.sent_to_stack[ring_id] (the msdu's
> originating device), while ath12k_wifi7_dp_rx_process() increments
> dp->device_stats.reo_rx[ring_id][device_id] (the ring owner).
>
> Reading /sys/kernel/debug/.../device0/device_dp_stats shows reo_rx[ring0]=N
> but sent_to_stack[ring0]=0; device1's file shows the reverse. The two counters
> meant to track the same traffic path cannot be compared from a single file.
will handle this with adding the device_id and ring id
>
>
>> +		else
>> +			WARN_ON_ONCE(1);
>>   		ath12k_dp_rx_deliver_msdu(dp_pdev, napi, msdu, &rx_info);
>>   	}
>>