Re: [PATCH net-next v3 2/2] net: dsa: yt921x: Add port TBF support

[Paolo Abeni]

On 5/8/26 8:57 AM, David Yang wrote:
> @@ -1378,6 +1390,70 @@ yt921x_dsa_port_policer_add(struct dsa_switch *ds, int port,
>  	return res;
>  }
>  
> +static int
> +yt921x_dsa_port_setup_tc_tbf_port(struct dsa_switch *ds, int port,
> +				  const struct tc_tbf_qopt_offload *qopt)
> +{
> +	struct yt921x_priv *priv = to_yt921x_priv(ds);
> +	struct netlink_ext_ack *extack = qopt->extack;
> +	u32 ctrls[2];
> +	int res;
> +
> +	if (qopt->parent != TC_H_ROOT)
> +		return -EOPNOTSUPP;
> +
> +	switch (qopt->command) {
> +	case TC_TBF_STATS:
> +		return 0;

The above makes the stats actually not supported; it should return
-NOPNOTSUPP.

/P