1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/net/debug.c b/drivers/vdpa/mlx5/net/debug.c
index 95e4801df211..60d6ac68cdc4 100644
--- a/drivers/vdpa/mlx5/net/debug.c
+++ b/drivers/vdpa/mlx5/net/debug.c
@@ -49,6 +49,92 @@ void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev)
 						  ndev, &rx_flow_table_fops);
 }
 
+#if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG)
+static int packets_show(struct seq_file *file, void *priv)
+{
+	struct mlx5_vdpa_counter *counter = file->private;
+	u64 packets;
+	u64 bytes;
+	int err;
+
+	err = mlx5_fc_query(counter->mdev, counter->counter, &packets, &bytes);
+	if (err)
+		return err;
+
+	seq_printf(file, "0x%llx\n", packets);
+	return 0;
+}
+
+static int bytes_show(struct seq_file *file, void *priv)
+{
+	struct mlx5_vdpa_counter *counter = file->private;
+	u64 packets;
+	u64 bytes;
+	int err;
+
+	err = mlx5_fc_query(counter->mdev, counter->counter, &packets, &bytes);
+	if (err)
+		return err;
+
+	seq_printf(file, "0x%llx\n", bytes);
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(packets);
+DEFINE_SHOW_ATTRIBUTE(bytes);
+
+static void add_counter_node(struct mlx5_vdpa_counter *counter,
+			     struct dentry *parent)
+{
+	debugfs_create_file("packets", 0444, parent, counter,
+			    &packets_fops);
+	debugfs_create_file("bytes", 0444, parent, counter,
+			    &bytes_fops);
+}
+
+void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev,
+			       struct macvlan_node *node)
+{
+	static const char *ut = "untagged";
+	char vidstr[9];
+	u16 vid;
+
+	node->ucast_counter.mdev = ndev->mvdev.mdev;
+	node->mcast_counter.mdev = ndev->mvdev.mdev;
+	if (node->tagged) {
+		vid = key2vid(node->macvlan);
+		snprintf(vidstr, sizeof(vidstr), "0x%x", vid);
+	} else {
+		strcpy(vidstr, ut);
+	}
+
+	node->dent = debugfs_create_dir(vidstr, ndev->rx_dent);
+	if (IS_ERR(node->dent)) {
+		node->dent = NULL;
+		return;
+	}
+
+	node->ucast_counter.dent = debugfs_create_dir("ucast", node->dent);
+	if (IS_ERR(node->ucast_counter.dent))
+		return;
+
+	add_counter_node(&node->ucast_counter, node->ucast_counter.dent);
+
+	node->mcast_counter.dent = debugfs_create_dir("mcast", node->dent);
+	if (IS_ERR(node->mcast_counter.dent))
+		return;
+
+	add_counter_node(&node->mcast_counter, node->mcast_counter.dent);
+}
+
+void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev,
+				  struct macvlan_node *node)
+{
+	if (node->dent && ndev->debugfs)
+		debugfs_remove_recursive(node->dent);
+}
+#endif
+
 void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev)
 {
 	struct mlx5_core_dev *mdev;