Bluetooth: Controller: Test for user extensions

With pull request #16208 and #16404 hooks for calling user defined
code was implemented. These user extensions are gated by a number of
Kconfigs. The test in this pull request tests that code compiles when
these Kconfigs are enabled.

Signed-off-by: Asger Munk Nielsen <asmk@oticon.com>

tests/bluetooth/ctrl_user_ext/CMakeLists.txt

@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.13.1)
+include_directories("./src")
+
+include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
+project(bluetooth_ctrl_user_ext)
+
+
+FILE(GLOB app_sources src/*.c)
+
+target_sources(app PRIVATE ${app_sources})

tests/bluetooth/ctrl_user_ext/prj.conf

@@ -0,0 +1,10 @@
+CONFIG_BT=y
+CONFIG_BT_CTLR=y
+CONFIG_BT_LL_SW_SPLIT=y
+CONFIG_BT_PERIPHERAL=y
+CONFIG_BT_CENTRAL=y
+CONFIG_ZTEST=y
+CONFIG_BT_CTLR_ADVANCED_FEATURES=y
+CONFIG_BT_CTLR_USER_EXT=y
+CONFIG_BT_CTLR_USER_EVT_RANGE=10
+CONFIG_BT_RX_USER_PDU_LEN=7

tests/bluetooth/ctrl_user_ext/src/main.c

@@ -0,0 +1,27 @@
+/* main.c - Application main entry point */
+
+/*
+ * Copyright (c) 2015-2016 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/types.h>
+#include <stddef.h>
+#include <misc/printk.h>
+#include <ztest.h>
+
+#include <bluetooth/bluetooth.h>
+
+void test_ctrl_user_ext(void)
+{
+	zassert_false(bt_enable(NULL), "Bluetooth ctrl_user_ext failed");
+}
+
+/*test case main entry*/
+void test_main(void)
+{
+	ztest_test_suite(test_bluetooth,
+			ztest_unit_test(test_ctrl_user_ext));
+	ztest_run_test_suite(test_bluetooth);
+}

tests/bluetooth/ctrl_user_ext/src/ull_vendor.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2019 Oticon A/S
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#if defined(CONFIG_BT_CTLR_USER_EXT)
+
+/* The test is made to show that ull.c and other code can compile when
+ * certain Kconfig options are set. This includes functions that are
+ * used for vendor specific behavior, as such the function implementations
+ * in this file are simple stubs without functional behavior.
+ */
+
+static inline int ull_user_init(void)
+{
+	return 0;
+}
+
+static inline int rx_demux_rx_proprietary(memq_link_t *link,
+					  struct node_rx_hdr *rx,
+					  memq_link_t *tail,
+					  memq_link_t **head)
+{
+	return 0;
+}
+
+static inline void ull_proprietary_done(struct node_rx_event_done *evdone)
+{
+	/* Nothing to do */
+}
+
+#endif /* CONFIG_BT_CTLR_USER_EXT */

tests/bluetooth/ctrl_user_ext/testcase.yaml

@@ -0,0 +1,6 @@
+common:
+  build_only: true
+  tags: bluetooth
+tests:
+  bluetooth.ctrl_user_ext.test:
+    platform_whitelist: nrf52_bsim