[PATCH 18/21] efi_selftest: Add selftest for counting EFI netdevices

[Adriano Cordova]

Count the number of simple_network_protocol's

Signed-off-by: Adriano Cordova <adriano.cordova at canonical.com>
---
 lib/efi_selftest/Makefile                  |  2 +-
 lib/efi_selftest/efi_selftest_net_device.c | 65 ++++++++++++++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 lib/efi_selftest/efi_selftest_net_device.c

diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index 17fbfad116..f7e8f02cb2 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -51,7 +51,7 @@ efi_selftest_variables_runtime.o \
 efi_selftest_watchdog.o
 
 obj-$(CONFIG_EFI_ECPT) += efi_selftest_ecpt.o
-obj-$(CONFIG_NETDEVICES) += efi_selftest_snp.o
+obj-$(CONFIG_NETDEVICES) += efi_selftest_snp.o efi_selftest_net_device.o
 obj-$(CONFIG_EFI_HTTP_PROTOCOL) += efi_selftest_http.o
 obj-$(CONFIG_EFI_HTTP_PROTOCOL) += efi_selftest_ipconfig.o
 
diff --git a/lib/efi_selftest/efi_selftest_net_device.c b/lib/efi_selftest/efi_selftest_net_device.c
new file mode 100644
index 0000000000..51963eb328
--- /dev/null
+++ b/lib/efi_selftest/efi_selftest_net_device.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * efi_selftest_net_device
+ *
+ */
+
+#include <efi_selftest.h>
+#include <net.h>
+
+static struct efi_boot_services *boottime;
+
+/*
+ * Setup unit test.
+ *
+ * @handle:	handle of the loaded image
+ * @systable:	system table
+ * Return:	EFI_ST_SUCCESS for success
+ */
+static int setup(const efi_handle_t handle,
+		 const struct efi_system_table *systable)
+{
+	efi_uintn_t num_handles;
+	efi_handle_t *handles;
+
+	boottime = systable->boottime;
+
+	num_handles = 0;
+	boottime->locate_handle_buffer(BY_PROTOCOL, &efi_net_guid,
+				       NULL, &num_handles, &handles);
+	efi_st_printf("Detected %u active EFI net devices\n", (unsigned int)num_handles);
+
+	return EFI_ST_SUCCESS;
+}
+
+/*
+ * Execute unit test.
+ *
+ *
+ * Return:	EFI_ST_SUCCESS for success
+ */
+static int execute(void)
+{
+	return EFI_ST_SUCCESS;
+}
+
+/*
+ * Tear down unit test.
+ *
+ * Return:	EFI_ST_SUCCESS for success
+ */
+static int teardown(void)
+{
+	int exit_status = EFI_ST_SUCCESS;
+
+	return exit_status;
+}
+
+EFI_UNIT_TEST(netdevices) = {
+	.name = "netdevices",
+	.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
+	.setup = setup,
+	.execute = execute,
+	.teardown = teardown,
+	.on_request = true,
+};
-- 
2.43.0