1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/tests/devinfo.c b/drivers/net/wireless/intel/iwlwifi/tests/devinfo.c
new file mode 100644
index 000000000000..7361b6d0cdb8
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/tests/devinfo.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * KUnit tests for the iwlwifi device info table
+ *
+ * Copyright (C) 2023-2024 Intel Corporation
+ */
+#include <kunit/test.h>
+#include <linux/pci.h>
+#include "iwl-drv.h"
+#include "iwl-config.h"
+
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
+
+static void iwl_pci_print_dev_info(const char *pfx, const struct iwl_dev_info *di)
+{
+	printk(KERN_DEBUG "%sdev=%.4x,subdev=%.4x,mac_type=%.4x,mac_step=%.4x,rf_type=%.4x,cdb=%d,jacket=%d,rf_id=%.2x,no_160=%d,cores=%.2x\n",
+	       pfx, di->device, di->subdevice, di->mac_type, di->mac_step,
+	       di->rf_type, di->cdb, di->jacket, di->rf_id, di->no_160,
+	       di->cores);
+}
+
+static void devinfo_table_order(struct kunit *test)
+{
+	int idx;
+
+	for (idx = 0; idx < iwl_dev_info_table_size; idx++) {
+		const struct iwl_dev_info *di = &iwl_dev_info_table[idx];
+		const struct iwl_dev_info *ret;
+
+		ret = iwl_pci_find_dev_info(di->device, di->subdevice,
+					    di->mac_type, di->mac_step,
+					    di->rf_type, di->cdb,
+					    di->jacket, di->rf_id,
+					    di->no_160, di->cores, di->rf_step);
+		if (ret != di) {
+			iwl_pci_print_dev_info("searched: ", di);
+			iwl_pci_print_dev_info("found:    ", ret);
+			KUNIT_FAIL(test,
+				   "unusable entry at index %d (found index %d instead)\n",
+				   idx, (int)(ret - iwl_dev_info_table));
+		}
+	}
+}
+
+static void devinfo_pci_ids(struct kunit *test)
+{
+	struct pci_dev *dev;
+
+	dev = kunit_kmalloc(test, sizeof(*dev), GFP_KERNEL);
+	KUNIT_ASSERT_NOT_NULL(test, dev);
+
+	for (int i = 0; iwl_hw_card_ids[i].vendor; i++) {
+		const struct pci_device_id *s, *t;
+
+		s = &iwl_hw_card_ids[i];
+		dev->vendor = s->vendor;
+		dev->device = s->device;
+		dev->subsystem_vendor = s->subvendor;
+		dev->subsystem_device = s->subdevice;
+		dev->class = s->class;
+
+		t = pci_match_id(iwl_hw_card_ids, dev);
+		KUNIT_EXPECT_PTR_EQ(test, t, s);
+	}
+}
+
+static struct kunit_case devinfo_test_cases[] = {
+	KUNIT_CASE(devinfo_table_order),
+	KUNIT_CASE(devinfo_pci_ids),
+	{}
+};
+
+static struct kunit_suite iwlwifi_devinfo = {
+	.name = "iwlwifi-devinfo",
+	.test_cases = devinfo_test_cases,
+};
+
+kunit_test_suite(iwlwifi_devinfo);