Re: [PATCH net-next v2 3/5] gve: Add flow steering device option

From: Jakub Kicinski
Date: Fri Jun 14 2024 - 22:22:19 EST


On Thu, 13 Jun 2024 01:47:42 +0000 Ziwei Xiao wrote:
> + if (dev_op_flow_steering &&
> + (supported_features_mask & GVE_SUP_FLOW_STEERING_MASK)) {
> + if (dev_op_flow_steering->max_flow_rules) {
> + priv->max_flow_rules =
> + be32_to_cpu(dev_op_flow_steering->max_flow_rules);
> + dev_info(&priv->pdev->dev,
> + "FLOW STEERING device option enabled with max rule limit of %u.\n",
> + priv->max_flow_rules);

There's a print to the kernel logs every time driver loads to tell
the user flow steering is available...

> - /* DQO supports LRO. */
> if (!gve_is_gqi(priv))
> - priv->dev->hw_features |= NETIF_F_LRO;
> + priv->dev->hw_features |= NETIF_F_LRO | NETIF_F_NTUPLE;

Yet the uAPI feature which is supposed to let the user know its
supported appears to be set unconditionally.