tests: Bluetooth: BAP: Add subgroup and stream args to broadcast_source

Add subgroup count and streams per subgroup arguments to the
broadcast_source test. This will allow us to run multiple
test setups using the same build and test case.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>

tests/bsim/bluetooth/audio/src/bap_broadcast_sink_test.c

@@ -51,6 +51,7 @@ CREATE_FLAG(flag_big_sync_mic_failure);
 CREATE_FLAG(flag_sink_started);
 
 static struct bt_bap_broadcast_sink *g_sink;
+static size_t stream_sync_cnt;
 static struct bt_le_scan_recv_info broadcaster_info;
 static bt_addr_le_t broadcaster_addr;
 static struct bt_le_per_adv_sync *pa_sync;
@@ -759,6 +760,8 @@ static void test_broadcast_sync(const uint8_t broadcast_code[BT_ISO_BROADCAST_CO
 		FAIL("Unable to sync the sink: %d\n", err);
 		return;
 	}
+
+	stream_sync_cnt = POPCOUNT(bis_index_bitfield);
 }
 
 static void test_broadcast_sync_inval(void)
@@ -833,8 +836,8 @@ static void test_broadcast_stop(void)
 		return;
 	}
 
-	printk("Waiting for %zu streams to be stopped\n", ARRAY_SIZE(streams));
+	printk("Waiting for %zu streams to be stopped\n", stream_sync_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(streams); i++) {
+	for (size_t i = 0U; i < stream_sync_cnt; i++) {
 		k_sem_take(&sem_stream_stopped, K_FOREVER);
 	}
 
@@ -938,8 +941,8 @@ static void test_common(void)
 	WAIT_FOR_FLAG(flag_sink_started);
 
 	/* Wait for all to be started */
-	printk("Waiting for %zu streams to be started\n", ARRAY_SIZE(streams));
+	printk("Waiting for %zu streams to be started\n", stream_sync_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(streams); i++) {
+	for (size_t i = 0U; i < stream_sync_cnt; i++) {
 		k_sem_take(&sem_stream_started, K_FOREVER);
 	}
 
@@ -967,8 +970,8 @@ static void test_main(void)
 	printk("Waiting for PA disconnected\n");
 	WAIT_FOR_FLAG(flag_pa_sync_lost);
 
-	printk("Waiting for %zu streams to be stopped\n", ARRAY_SIZE(streams));
+	printk("Waiting for %zu streams to be stopped\n", stream_sync_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(streams); i++) {
+	for (size_t i = 0U; i < stream_sync_cnt; i++) {
 		k_sem_take(&sem_stream_stopped, K_FOREVER);
 	}
 	WAIT_FOR_UNSET_FLAG(flag_sink_started);
@@ -989,8 +992,8 @@ static void test_sink_disconnect(void)
 	WAIT_FOR_FLAG(flag_sink_started);
 
 	/* Wait for all to be started */
-	printk("Waiting for %zu streams to be started\n", ARRAY_SIZE(streams));
+	printk("Waiting for %zu streams to be started\n", stream_sync_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(streams); i++) {
+	for (size_t i = 0U; i < stream_sync_cnt; i++) {
 		k_sem_take(&sem_stream_started, K_FOREVER);
 	}
 
@@ -1030,8 +1033,8 @@ static void test_sink_encrypted(void)
 	WAIT_FOR_FLAG(flag_sink_started);
 
 	/* Wait for all to be started */
-	printk("Waiting for %zu streams to be started\n", ARRAY_SIZE(streams));
+	printk("Waiting for %zu streams to be started\n", stream_sync_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(streams); i++) {
+	for (size_t i = 0U; i < stream_sync_cnt; i++) {
 		k_sem_take(&sem_stream_started, K_FOREVER);
 	}
 
@@ -1049,8 +1052,8 @@ static void test_sink_encrypted(void)
 	printk("Waiting for PA disconnected\n");
 	WAIT_FOR_FLAG(flag_pa_sync_lost);
 
-	printk("Waiting for %zu streams to be stopped\n", ARRAY_SIZE(streams));
+	printk("Waiting for %zu streams to be stopped\n", stream_sync_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(streams); i++) {
+	for (size_t i = 0U; i < stream_sync_cnt; i++) {
 		k_sem_take(&sem_stream_stopped, K_FOREVER);
 	}
 
@@ -1133,8 +1136,8 @@ static void broadcast_sink_with_assistant(void)
 	WAIT_FOR_FLAG(flag_sink_started);
 
 	/* Wait for all to be started */
-	printk("Waiting for %zu streams to be started\n", ARRAY_SIZE(streams));
+	printk("Waiting for %zu streams to be started\n", stream_sync_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(streams); i++) {
+	for (size_t i = 0U; i < stream_sync_cnt; i++) {
 		k_sem_take(&sem_stream_started, K_FOREVER);
 	}
 

tests/bsim/bluetooth/audio/src/bap_broadcast_source_test.c

@@ -3,9 +3,11 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
+#include <errno.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
+#include <stdlib.h>
 #include <string.h>
 
 #include <zephyr/autoconf.h>
@@ -48,6 +50,8 @@ static uint8_t bis_codec_data[] = {
 	BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CFG_CHAN_ALLOC,
 			    BT_BYTES_LIST_LE32(BT_AUDIO_LOCATION_FRONT_CENTER)),
 };
+static unsigned long subgroup_cnt_arg = 1;
+static unsigned long streams_per_subgroup_cnt_arg = 1;
 
 static K_SEM_DEFINE(sem_stream_started, 0U, ARRAY_SIZE(broadcast_source_streams));
 static K_SEM_DEFINE(sem_stream_stopped, 0U, ARRAY_SIZE(broadcast_source_streams));
@@ -251,13 +255,21 @@ static int setup_broadcast_source(struct bt_bap_broadcast_source **source, bool
 		stream_params[ARRAY_SIZE(broadcast_source_streams)];
 	struct bt_bap_broadcast_source_subgroup_param
 		subgroup_params[CONFIG_BT_BAP_BROADCAST_SRC_SUBGROUP_COUNT];
+	const unsigned long stream_cnt = subgroup_cnt_arg * streams_per_subgroup_cnt_arg;
 	struct bt_bap_broadcast_source_param create_param;
 	int err;
 
+	if (stream_cnt > ARRAY_SIZE(stream_params)) {
+		printk("Unable to create broadcast source with %lu subgroups with %lu streams each "
+		       "(%lu total)\n",
+		       subgroup_cnt_arg, streams_per_subgroup_cnt_arg, stream_cnt);
+		return -ENOMEM;
+	}
+
 	(void)memset(broadcast_source_streams, 0,
 		     sizeof(broadcast_source_streams));
 
-	for (size_t i = 0; i < ARRAY_SIZE(stream_params); i++) {
+	for (size_t i = 0; i < stream_cnt; i++) {
 		stream_params[i].stream =
 			bap_stream_from_audio_test_stream(&broadcast_source_streams[i]);
 		bt_bap_stream_cb_register(stream_params[i].stream,
@@ -268,13 +280,13 @@ static int setup_broadcast_source(struct bt_bap_broadcast_source **source, bool
 #endif /* CONFIG_BT_AUDIO_CODEC_CFG_MAX_DATA_SIZE > 0 */
 	}
 
-	for (size_t i = 0U; i < ARRAY_SIZE(subgroup_params); i++) {
+	for (size_t i = 0U; i < subgroup_cnt_arg; i++) {
-		subgroup_params[i].params_count = ARRAY_SIZE(stream_params);
+		subgroup_params[i].params_count = streams_per_subgroup_cnt_arg;
-		subgroup_params[i].params = &stream_params[i];
+		subgroup_params[i].params = &stream_params[i * streams_per_subgroup_cnt_arg];
 		subgroup_params[i].codec_cfg = &preset_16_1_1.codec_cfg;
 	}
 
-	create_param.params_count = ARRAY_SIZE(subgroup_params);
+	create_param.params_count = subgroup_cnt_arg;
 	create_param.params = subgroup_params;
 	create_param.qos = &preset_16_2_1.qos;
 	create_param.packing = BT_ISO_PACKING_SEQUENTIAL;
@@ -283,15 +295,15 @@ static int setup_broadcast_source(struct bt_bap_broadcast_source **source, bool
 		memcpy(create_param.broadcast_code, BROADCAST_CODE, sizeof(BROADCAST_CODE));
 	}
 
-	printk("Creating broadcast source with %zu subgroups and %zu streams\n",
+	printk("Creating broadcast source with %lu subgroups and %lu streams\n", subgroup_cnt_arg,
-	       ARRAY_SIZE(subgroup_params), ARRAY_SIZE(stream_params));
+	       stream_cnt);
 	err = bt_bap_broadcast_source_create(&create_param, source);
 	if (err != 0) {
 		printk("Unable to create broadcast source: %d\n", err);
 		return err;
 	}
 
-	for (size_t i = 0U; i < ARRAY_SIZE(broadcast_source_streams); i++) {
+	for (size_t i = 0U; i < stream_cnt; i++) {
 		struct audio_test_stream *test_stream = &broadcast_source_streams[i];
 
 		test_stream->tx_sdu_size = preset_16_1_1.qos.sdu;
@@ -393,23 +405,24 @@ static void test_broadcast_source_reconfig(struct bt_bap_broadcast_source *sourc
 		stream_params[ARRAY_SIZE(broadcast_source_streams)];
 	struct bt_bap_broadcast_source_subgroup_param
 		subgroup_params[CONFIG_BT_BAP_BROADCAST_SRC_SUBGROUP_COUNT];
+	const unsigned long stream_cnt = subgroup_cnt_arg * streams_per_subgroup_cnt_arg;
 	struct bt_bap_broadcast_source_param reconfig_param;
 	int err;
 
-	for (size_t i = 0; i < ARRAY_SIZE(stream_params); i++) {
+	for (size_t i = 0; i < stream_cnt; i++) {
 		stream_params[i].stream =
 			bap_stream_from_audio_test_stream(&broadcast_source_streams[i]);
 		stream_params[i].data_len = ARRAY_SIZE(bis_codec_data);
 		stream_params[i].data = bis_codec_data;
 	}
 
-	for (size_t i = 0U; i < ARRAY_SIZE(subgroup_params); i++) {
+	for (size_t i = 0U; i < subgroup_cnt_arg; i++) {
-		subgroup_params[i].params_count = 1U;
+		subgroup_params[i].params_count = streams_per_subgroup_cnt_arg;
-		subgroup_params[i].params = &stream_params[i];
+		subgroup_params[i].params = &stream_params[i * streams_per_subgroup_cnt_arg];
 		subgroup_params[i].codec_cfg = &preset_16_1_1.codec_cfg;
 	}
 
-	reconfig_param.params_count = ARRAY_SIZE(subgroup_params);
+	reconfig_param.params_count = subgroup_cnt_arg;
 	reconfig_param.params = subgroup_params;
 	reconfig_param.qos = &preset_16_1_1.qos;
 	reconfig_param.packing = BT_ISO_PACKING_SEQUENTIAL;
@@ -422,7 +435,7 @@ static void test_broadcast_source_reconfig(struct bt_bap_broadcast_source *sourc
 		return;
 	}
 
-	for (size_t i = 0U; i < ARRAY_SIZE(broadcast_source_streams); i++) {
+	for (size_t i = 0U; i < stream_cnt; i++) {
 		struct audio_test_stream *test_stream = &broadcast_source_streams[i];
 
 		test_stream->tx_sdu_size = preset_16_1_1.qos.sdu;
@@ -432,6 +445,7 @@ static void test_broadcast_source_reconfig(struct bt_bap_broadcast_source *sourc
 static void test_broadcast_source_start(struct bt_bap_broadcast_source *source,
 					struct bt_le_ext_adv *adv)
 {
+	const unsigned long stream_cnt = subgroup_cnt_arg * streams_per_subgroup_cnt_arg;
 	int err;
 
 	printk("Starting broadcast source\n");
@@ -442,8 +456,8 @@ static void test_broadcast_source_start(struct bt_bap_broadcast_source *source,
 	}
 
 	/* Wait for all to be started */
-	printk("Waiting for %zu streams to be started\n", ARRAY_SIZE(broadcast_source_streams));
+	printk("Waiting for %lu streams to be started\n", stream_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(broadcast_source_streams); i++) {
+	for (size_t i = 0U; i < stream_cnt; i++) {
 		k_sem_take(&sem_stream_started, K_FOREVER);
 	}
 
@@ -482,6 +496,7 @@ static void test_broadcast_source_update_metadata(struct bt_bap_broadcast_source
 
 static void test_broadcast_source_stop(struct bt_bap_broadcast_source *source)
 {
+	const unsigned long stream_cnt = subgroup_cnt_arg * streams_per_subgroup_cnt_arg;
 	int err;
 
 	printk("Stopping broadcast source\n");
@@ -493,8 +508,8 @@ static void test_broadcast_source_stop(struct bt_bap_broadcast_source *source)
 	}
 
 	/* Wait for all to be stopped */
-	printk("Waiting for %zu streams to be stopped\n", ARRAY_SIZE(broadcast_source_streams));
+	printk("Waiting for %lu streams to be stopped\n", stream_cnt);
-	for (size_t i = 0U; i < ARRAY_SIZE(broadcast_source_streams); i++) {
+	for (size_t i = 0U; i < stream_cnt; i++) {
 		k_sem_take(&sem_stream_stopped, K_FOREVER);
 	}
 
@@ -669,18 +684,48 @@ static void test_main_encrypted(void)
 	PASS("Broadcast source encrypted passed\n");
 }
 
+static void test_args(int argc, char *argv[])
+{
+	for (size_t argn = 0; argn < argc; argn++) {
+		const char *arg = argv[argn];
+
+		if (strcmp(arg, "subgroup_cnt") == 0) {
+			arg = argv[++argn];
+			subgroup_cnt_arg = strtoul(arg, NULL, 10);
+
+			if (!IN_RANGE(subgroup_cnt_arg, 1,
+				      CONFIG_BT_BAP_BROADCAST_SRC_SUBGROUP_COUNT)) {
+				FAIL("Invalid number of subgroups: %lu\n", subgroup_cnt_arg);
+			}
+		} else if (strcmp(arg, "streams_per_subgroup_cnt") == 0) {
+			arg = argv[++argn];
+			streams_per_subgroup_cnt_arg = strtoul(arg, NULL, 10);
+
+			if (!IN_RANGE(streams_per_subgroup_cnt_arg, 1,
+				      CONFIG_BT_BAP_BROADCAST_SRC_STREAM_COUNT)) {
+				FAIL("Invalid number of streams per subgroup: %lu\n",
+				     streams_per_subgroup_cnt_arg);
+			}
+		} else {
+			FAIL("Invalid arg: %s\n", arg);
+		}
+	}
+}
+
 static const struct bst_test_instance test_broadcast_source[] = {
 	{
 		.test_id = "broadcast_source",
 		.test_pre_init_f = test_init,
 		.test_tick_f = test_tick,
 		.test_main_f = test_main,
+		.test_args_f = test_args,
 	},
 	{
 		.test_id = "broadcast_source_encrypted",
 		.test_pre_init_f = test_init,
 		.test_tick_f = test_tick,
 		.test_main_f = test_main_encrypted,
+		.test_args_f = test_args,
 	},
 	BSTEST_END_MARKER,
 };