[PATCH net-next v2 2/3] net: airoha: Add FLOW_CLS_STATS callback support

[Simon Horman]

On Fri, May 16, 2025 at 10:00:00AM +0200, Lorenzo Bianconi wrote:

...

> @@ -1027,6 +1255,15 @@ int airoha_ppe_init(struct airoha_eth *eth)
>  	if (!ppe->foe_flow)
>  		return -ENOMEM;
>  
> +	foe_size = PPE_STATS_NUM_ENTRIES * sizeof(*ppe->foe_stats);
> +	if (foe_size) {

Hi Lorenzo,

It's unclear to me how foe_size can be zero.

> +		ppe->foe_stats = dmam_alloc_coherent(eth->dev, foe_size,
> +						     &ppe->foe_stats_dma,
> +						     GFP_KERNEL);
> +		if (!ppe->foe_stats)
> +			return -ENOMEM;
> +	}
> +
>  	err = rhashtable_init(&eth->flow_table, &airoha_flow_table_params);
>  	if (err)
>  		return err;

...