Re: [PATCH net-next 2/5] net/mlx5e: Report hw_gro_packets and hw_gro_bytes netdev stats

[Gal Pressman <gal@nvidia.com>]

On 05/02/2026 7:23, Jakub Kicinski wrote:
> On Wed, 4 Feb 2026 21:33:12 +0200 Tariq Toukan wrote:
>> +	stats->hw_gro_packets =
>> +		rq_stats->gro_packets + xskrq_stats->gro_packets;
>> +	stats->hw_gro_bytes = rq_stats->gro_bytes + xskrq_stats->gro_bytes;
> 
> Doesn't look right.. 
> 
> mlx5e_shampo_flush_skb(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, bool match) 
> {                                                                               
>         struct sk_buff *skb = rq->hw_gro_data->skb;                             
>         struct mlx5e_rq_stats *stats = rq->stats;                               
>         u16 gro_count = NAPI_GRO_CB(skb)->count;                                
>                                                                                 
>         if (likely(skb_shinfo(skb)->nr_frags))                                  
>                 mlx5e_shampo_align_fragment(skb, rq->mpwqe.log_stride_sz);      
>         if (gro_count > 1) {                                                    
>                 stats->gro_skbs++;                                              
>                 stats->gro_packets += gro_count;       
> 
> And:
>       -
>         name: rx-hw-gro-packets
>         doc: |
>           Number of packets that were coalesced from smaller packets by the
>           device. Counts only packets coalesced with the HW-GRO netdevice
>           feature, LRO-coalesced packets are not counted.
> 
>       -
>         name: rx-hw-gro-wire-packets
>         doc: |
>           Number of packets that were coalesced to bigger packetss with the
>           HW-GRO netdevice feature. LRO-coalesced packets are not counted.
>         type: uint
> 
> Your gro_packets are "gro-wire-packets" and "gro-packets" are your
> gro_skbs.

You're absolutely right, thanks Jakub!

> 
> I really wish the AI was clever enough to catch uAPI mis-reading :(