diff --git a/src/cndm/modules/cndm/cndm.h b/src/cndm/modules/cndm/cndm.h
index 5942b2b..b65f05e 100644
--- a/src/cndm/modules/cndm/cndm.h
+++ b/src/cndm/modules/cndm/cndm.h
@@ -25,6 +25,9 @@ struct cndm_dev {
 	struct pci_dev *pdev;
 	struct device *dev;
 
+	unsigned int id;
+	char name[16];
+
 	struct net_device *ndev[32];
 
 	void __iomem *bar;
diff --git a/src/cndm/modules/cndm/cndm_main.c b/src/cndm/modules/cndm/cndm_main.c
index 6fdd876..a331748 100644
--- a/src/cndm/modules/cndm/cndm_main.c
+++ b/src/cndm/modules/cndm/cndm_main.c
@@ -18,6 +18,25 @@ MODULE_AUTHOR("FPGA Ninja");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRIVER_VERSION);
 
+static DEFINE_IDA(cndm_instance_ida);
+
+static int cndm_assign_id(struct cndm_dev *cdev)
+{
+	int ret = ida_alloc(&cndm_instance_ida, GFP_KERNEL);
+	if (ret < 0)
+		return ret;
+
+	cdev->id = ret;
+	snprintf(cdev->name, sizeof(cdev->name), DRIVER_NAME "%d", cdev->id);
+
+	return 0;
+}
+
+static void cndm_free_id(struct cndm_dev *cdev)
+{
+	ida_free(&cndm_instance_ida, cdev->id);
+}
+
 static int cndm_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	struct device *dev = &pdev->dev;
@@ -43,6 +62,10 @@ static int cndm_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	cdev->dev = dev;
 	pci_set_drvdata(pdev, cdev);
 
+	ret = cndm_assign_id(cdev);
+	if (ret)
+		goto fail_assign_id;
+
 	ret = pci_enable_device_mem(pdev);
 	if (ret) {
 		dev_err(dev, "Failed to enable device");
@@ -132,6 +155,8 @@ fail_regions:
 	pci_clear_master(pdev);
 	pci_disable_device(pdev);
 fail_enable_device:
+	cndm_free_id(cdev);
+fail_assign_id:
 	cndm_devlink_free(devlink);
 	return ret;
 }
@@ -159,6 +184,7 @@ static void cndm_pci_remove(struct pci_dev *pdev)
 	pci_release_regions(pdev);
 	pci_clear_master(pdev);
 	pci_disable_device(pdev);
+	cndm_free_id(cdev);
 	cndm_devlink_free(devlink);
 }