tests: Bluetooth: Add test for incorrect bcode as assistant
Add a bsim test that verifies the behavior when the assistant provides an incorrect code to the broadcast sink. Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen
Fabio Baltieri
parent
c49a058b9b
commit
34fa014682
3 changed files with 141 additions and 17 deletions
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@ -16,6 +16,7 @@
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#include <zephyr/bluetooth/gap.h>
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#include <zephyr/bluetooth/gatt.h>
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#include <zephyr/bluetooth/hci.h>
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#include <zephyr/bluetooth/iso.h>
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#include <zephyr/bluetooth/uuid.h>
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#include <zephyr/net/buf.h>
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#include <zephyr/sys/printk.h>
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@ -47,6 +48,8 @@ CREATE_FLAG(flag_recv_state_read);
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CREATE_FLAG(flag_recv_state_updated);
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CREATE_FLAG(flag_recv_state_updated_with_bis_sync);
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CREATE_FLAG(flag_recv_state_removed);
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CREATE_FLAG(flag_broadcast_code_requested);
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CREATE_FLAG(flag_incorrect_broadcast_code);
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/* Broadcaster variables */
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static bt_addr_le_t g_broadcaster_addr;
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@ -98,7 +101,7 @@ static void bap_broadcast_assistant_scan_cb(const struct bt_le_scan_recv_info *i
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static bool metadata_entry(struct bt_data *data, void *user_data)
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{
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char metadata[CONFIG_BT_AUDIO_CODEC_CFG_MAX_METADATA_SIZE];
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char metadata[CONFIG_BT_AUDIO_CODEC_CFG_MAX_METADATA_SIZE] = {0};
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(void)bin2hex(data->data, data->data_len, metadata, sizeof(metadata));
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@ -130,14 +133,15 @@ static void bap_broadcast_assistant_recv_state_cb(
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bt_addr_le_to_str(&state->addr, le_addr, sizeof(le_addr));
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(void)bin2hex(state->bad_code, BT_AUDIO_BROADCAST_CODE_SIZE, bad_code,
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sizeof(bad_code));
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printk("BASS recv state: src_id %u, addr %s, sid %u, sync_state %u, "
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"encrypt_state %u%s%s\n", state->src_id, le_addr, state->adv_sid,
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state->pa_sync_state, state->encrypt_state,
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state->encrypt_state == BT_BAP_BIG_ENC_STATE_BAD_CODE ? ", bad code" : "",
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printk("BASS recv state: src_id %u, addr %s, sid %u, sync_state %u, encrypt_state %u%s%s\n",
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state->src_id, le_addr, state->adv_sid, state->pa_sync_state, state->encrypt_state,
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state->encrypt_state == BT_BAP_BIG_ENC_STATE_BAD_CODE ? ", bad code: " : "",
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bad_code);
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if (state->encrypt_state == BT_BAP_BIG_ENC_STATE_BAD_CODE) {
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FAIL("Encryption state is BT_BAP_BIG_ENC_STATE_BAD_CODE");
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if (state->encrypt_state == BT_BAP_BIG_ENC_STATE_BCODE_REQ) {
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SET_FLAG(flag_broadcast_code_requested);
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} else if (state->encrypt_state == BT_BAP_BIG_ENC_STATE_BAD_CODE) {
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SET_FLAG(flag_incorrect_broadcast_code);
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return;
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}
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@ -499,15 +503,10 @@ static void test_bass_mod_source_long_meta(void)
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printk("Server PA synced\n");
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}
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static void test_bass_broadcast_code(void)
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static void test_bass_broadcast_code(const uint8_t broadcast_code[BT_AUDIO_BROADCAST_CODE_SIZE])
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{
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uint8_t broadcast_code[BT_AUDIO_BROADCAST_CODE_SIZE];
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int err;
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for (int i = 0; i < ARRAY_SIZE(broadcast_code); i++) {
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broadcast_code[i] = i;
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}
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printk("Adding broadcast code\n");
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UNSET_FLAG(flag_write_complete);
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err = bt_bap_broadcast_assistant_set_broadcast_code(default_conn, g_src_id, broadcast_code);
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@ -588,7 +587,7 @@ static void test_main_client_sync(void)
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test_bass_add_source();
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test_bass_mod_source();
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test_bass_mod_source_long_meta();
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test_bass_broadcast_code();
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test_bass_broadcast_code(BROADCAST_CODE);
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printk("Waiting for receive state with BIS sync\n");
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WAIT_FOR_FLAG(flag_recv_state_updated_with_bis_sync);
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@ -598,6 +597,30 @@ static void test_main_client_sync(void)
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PASS("BAP Broadcast Assistant Client Sync Passed\n");
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}
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static void test_main_client_sync_incorrect_code(void)
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{
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int err;
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err = common_init();
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if (err != 0) {
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FAIL("Bluetooth enable failed (err %d)\n", err);
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return;
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}
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test_bass_scan_start();
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test_bass_scan_stop();
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test_bass_create_pa_sync();
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test_bass_add_source();
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test_bass_mod_source();
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WAIT_FOR_FLAG(flag_broadcast_code_requested);
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test_bass_broadcast_code(INCORRECT_BROADCAST_CODE);
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WAIT_FOR_FLAG(flag_incorrect_broadcast_code);
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test_bass_remove_source();
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PASS("BAP Broadcast Assistant Client Sync Passed\n");
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}
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static void test_main_server_sync_client_rem(void)
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{
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int err;
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@ -610,7 +633,7 @@ static void test_main_server_sync_client_rem(void)
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WAIT_FOR_FLAG(flag_recv_state_updated);
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test_bass_broadcast_code();
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test_bass_broadcast_code(BROADCAST_CODE);
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printk("Waiting for receive state with BIS sync\n");
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WAIT_FOR_FLAG(flag_recv_state_updated_with_bis_sync);
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@ -632,7 +655,7 @@ static void test_main_server_sync_server_rem(void)
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WAIT_FOR_FLAG(flag_recv_state_updated);
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test_bass_broadcast_code();
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test_bass_broadcast_code(BROADCAST_CODE);
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printk("Waiting for receive state with BIS sync\n");
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WAIT_FOR_FLAG(flag_recv_state_updated_with_bis_sync);
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@ -649,6 +672,12 @@ static const struct bst_test_instance test_bass[] = {
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.test_tick_f = test_tick,
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.test_main_f = test_main_client_sync,
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},
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{
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.test_id = "bap_broadcast_assistant_client_sync_incorrect_code",
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.test_pre_init_f = test_init,
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.test_tick_f = test_tick,
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.test_main_f = test_main_client_sync_incorrect_code,
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},
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{
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.test_id = "bap_broadcast_assistant_server_sync_client_rem",
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.test_pre_init_f = test_init,
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@ -661,7 +690,7 @@ static const struct bst_test_instance test_bass[] = {
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.test_tick_f = test_tick,
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.test_main_f = test_main_server_sync_server_rem,
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},
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BSTEST_END_MARKER
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BSTEST_END_MARKER,
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};
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struct bst_test_list *test_bap_broadcast_assistant_install(struct bst_test_list *tests)
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@ -59,6 +59,7 @@ static struct bt_bap_stream *streams[ARRAY_SIZE(broadcast_sink_streams)];
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static uint32_t requested_bis_sync;
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static struct bt_le_ext_adv *ext_adv;
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static const struct bt_bap_scan_delegator_recv_state *req_recv_state;
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static uint8_t recv_state_broadcast_code[BT_AUDIO_BROADCAST_CODE_SIZE];
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#define SUPPORTED_CHAN_COUNTS BT_AUDIO_CODEC_CAP_CHAN_COUNT_SUPPORT(1, 2)
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#define SUPPORTED_MIN_OCTETS_PER_FRAME 30
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@ -385,6 +386,8 @@ static int bis_sync_req_cb(struct bt_conn *conn,
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const struct bt_bap_scan_delegator_recv_state *recv_state,
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const uint32_t bis_sync_req[CONFIG_BT_BAP_BASS_MAX_SUBGROUPS])
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{
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req_recv_state = recv_state;
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printk("BIS sync request received for %p: 0x%08x\n", recv_state, bis_sync_req[0]);
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/* We only care about a single subgroup in this test */
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requested_bis_sync = bis_sync_req[0];
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@ -398,10 +401,20 @@ static int bis_sync_req_cb(struct bt_conn *conn,
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return 0;
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}
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static void broadcast_code_cb(struct bt_conn *conn,
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const struct bt_bap_scan_delegator_recv_state *recv_state,
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const uint8_t broadcast_code[BT_AUDIO_BROADCAST_CODE_SIZE])
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{
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req_recv_state = recv_state;
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memcpy(recv_state_broadcast_code, broadcast_code, BT_AUDIO_BROADCAST_CODE_SIZE);
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}
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static struct bt_bap_scan_delegator_cb scan_delegator_cbs = {
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.pa_sync_req = pa_sync_req_cb,
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.pa_sync_term_req = pa_sync_term_req_cb,
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.bis_sync_req = bis_sync_req_cb,
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.broadcast_code = broadcast_code_cb,
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};
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static void validate_stream_codec_cfg(const struct bt_bap_stream *stream)
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@ -1138,6 +1151,50 @@ static void broadcast_sink_with_assistant(void)
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PASS("Broadcast sink with assistant passed\n");
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}
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static void broadcast_sink_with_assistant_incorrect_code(void)
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{
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int err;
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err = init();
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if (err) {
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FAIL("Init failed (err %d)\n", err);
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return;
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}
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test_start_adv();
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WAIT_FOR_FLAG(flag_connected);
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printk("Waiting for PA sync request\n");
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WAIT_FOR_FLAG(flag_pa_request);
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test_scan_and_pa_sync();
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test_broadcast_sink_create();
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printk("Broadcast source PA synced, waiting for BASE\n");
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WAIT_FOR_FLAG(flag_base_received);
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printk("BASE received\n");
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printk("Waiting for BIG syncable\n");
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WAIT_FOR_FLAG(flag_syncable);
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printk("Waiting for BIG sync request\n");
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WAIT_FOR_FLAG(flag_bis_sync_requested);
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test_broadcast_sync(recv_state_broadcast_code);
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/* Wait for MIC failure */
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WAIT_FOR_FLAG(flag_big_sync_mic_failure);
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backchannel_sync_send_all(); /* let other devices know we have received data */
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printk("Waiting for PA sync terminate request\n");
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WAIT_FOR_UNSET_FLAG(flag_pa_request);
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test_pa_sync_delete();
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test_broadcast_delete();
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backchannel_sync_send_all(); /* let the broadcast source know it can stop */
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PASS("Broadcast sink with assistant and incorrect code passed\n");
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}
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static const struct bst_test_instance test_broadcast_sink[] = {
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{
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.test_id = "broadcast_sink",
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@ -1169,6 +1226,12 @@ static const struct bst_test_instance test_broadcast_sink[] = {
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.test_tick_f = test_tick,
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.test_main_f = broadcast_sink_with_assistant,
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},
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{
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.test_id = "broadcast_sink_with_assistant_incorrect_code",
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.test_pre_init_f = test_init,
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.test_tick_f = test_tick,
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.test_main_f = broadcast_sink_with_assistant_incorrect_code,
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},
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BSTEST_END_MARKER,
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};
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@ -0,0 +1,32 @@
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#!/usr/bin/env bash
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#
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# Copyright (c) 2020-2022 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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SIMULATION_ID="bap_broadcast_audio_assistant_incorrect_code"
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VERBOSITY_LEVEL=2
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source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
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cd ${BSIM_OUT_PATH}/bin
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printf "\n\n======== Running BAP Broadcast audio assistant incorrect code =========\n\n"
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Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_audio_prj_conf \
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-v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=0 -RealEncryption=1 \
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-testid=broadcast_sink_with_assistant_incorrect_code -rs=24 -D=3
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Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_audio_prj_conf \
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-v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=1 -RealEncryption=1 \
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-testid=bap_broadcast_assistant_client_sync_incorrect_code -rs=46 -D=3
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Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_audio_prj_conf \
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-v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=2 -RealEncryption=1 \
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-testid=broadcast_source_encrypted -rs=69 -D=3
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# Simulation time should be larger than the WAIT_TIME in common.h
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Execute ./bs_2G4_phy_v1 -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -D=3 \
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-sim_length=60e6 $@
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wait_for_background_jobs
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