net: microchip: sparx5: Add VCAP debugfs KUNIT test

This tests the functionality of the debugFS support:

- finding valid keyset on an address
- raw VCAP output
- full rule VCAP output
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/microchip/vcap/Kconfig

@@ -40,6 +40,7 @@ config VCAP_KUNIT_TEST
 	bool "KUnit test for VCAP library" if !KUNIT_ALL_TESTS
 	depends on KUNIT
 	depends on KUNIT=y && VCAP=y && y
+	select DEBUG_FS
 	default KUNIT_ALL_TESTS
 	help
 	  This builds unit tests for the VCAP library.

drivers/net/ethernet/microchip/vcap/vcap_api_debugfs.c

@@ -776,3 +776,7 @@ struct dentry *vcap_debugfs(struct device *dev, struct dentry *parent,
 	return dir;
 }
 EXPORT_SYMBOL_GPL(vcap_debugfs);
+
+#ifdef CONFIG_VCAP_KUNIT_TEST
+#include "vcap_api_debugfs_kunit.c"
+#endif

drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c

@@ -1691,7 +1691,7 @@ static void vcap_api_rule_remove_at_end_test(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, 0, test_move_count);
 	KUNIT_EXPECT_EQ(test, 780, test_init_start);
 	KUNIT_EXPECT_EQ(test, 12, test_init_count);
-	KUNIT_EXPECT_EQ(test, 3071, admin.last_used_addr);
+	KUNIT_EXPECT_EQ(test, 3072, admin.last_used_addr);
 }
 
 static void vcap_api_rule_remove_in_middle_test(struct kunit *test)
@@ -1766,7 +1766,7 @@ static void vcap_api_rule_remove_in_middle_test(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, 0, test_move_count);
 	KUNIT_EXPECT_EQ(test, 798, test_init_start);
 	KUNIT_EXPECT_EQ(test, 2, test_init_count);
-	KUNIT_EXPECT_EQ(test, 799, admin.last_used_addr);
+	KUNIT_EXPECT_EQ(test, 800, admin.last_used_addr);
 }
 
 static void vcap_api_rule_remove_in_front_test(struct kunit *test)
@@ -1805,7 +1805,7 @@ static void vcap_api_rule_remove_in_front_test(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, 0, test_move_count);
 	KUNIT_EXPECT_EQ(test, 780, test_init_start);
 	KUNIT_EXPECT_EQ(test, 12, test_init_count);
-	KUNIT_EXPECT_EQ(test, 799, admin.last_used_addr);
+	KUNIT_EXPECT_EQ(test, 800, admin.last_used_addr);
 
 	test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 20, 400, 6, 792);
 	test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 30, 300, 3, 789);