On Sat, 30 Aug 2025 16:08:50 +0800 Fan Gong wrote:

+static void hinic3_fillout_indir_tbl(struct net_device *netdev, u16 *indir)
+{
+	struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
+	u16 i, num_qps;
+
+	num_qps = nic_dev->q_params.num_qps;
+	for (i = 0; i < L2NIC_RSS_INDIR_SIZE; i++)
+		indir[i] = i % num_qps;

ethtool_rxfh_indir_default()

+/* Get number of CPUs on same NUMA node of device. */
+static unsigned int dev_num_cpus(struct device *dev)
+{
+	unsigned int i, num_cpus, num_node_cpus;
+	int dev_node;
+
+	dev_node = dev_to_node(dev);
+	num_cpus = num_online_cpus();
+	num_node_cpus = 0;
+
+	for (i = 0; i < num_cpus; i++) {
+		if (cpu_to_node(i) == dev_node)
+			num_node_cpus++;
+	}
+
+	return num_node_cpus ? : num_cpus;

Please use netif_get_num_default_rss_queues().
If you think its heuristic should be improved -- fix it,
but don't invent driver-local logic.

+static void decide_num_qps(struct net_device *netdev)
+{
+	struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
+	unsigned int dev_cpus;
+
+	dev_cpus = dev_num_cpus(&nic_dev->pdev->dev);
+	nic_dev->q_params.num_qps = min(dev_cpus, nic_dev->max_qps);