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tests: bsim: Bluetooth: Deferred ACL Tx transmission setup

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Added test to verify deferred ACL Tx transmission setup,
such that GATT discovery completes with least latency and
GATT notifications can be received earliest after connection
establishment.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2024-05-10 18:48:09 +02:00 • committed by Fabio Baltieri
commit cbae5d5f3f
5 changed files with 56 additions and 2 deletions
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1
tests/bsim/bluetooth/ll/compile.sh
View file

@ -17,6 +17,7 @@ app=tests/bsim/bluetooth/ll/advx \
conf_overlay=overlay-ticker_expire_info.conf compile
app=tests/bsim/bluetooth/ll/conn conf_file=prj_split.conf compile
app=tests/bsim/bluetooth/ll/conn conf_file=prj_split_tx_defer.conf compile
app=tests/bsim/bluetooth/ll/conn conf_file=prj_split_privacy.conf compile
app=tests/bsim/bluetooth/ll/conn conf_file=prj_split_low_lat.conf compile
app=tests/bsim/bluetooth/ll/conn conf_file=prj_split_single_timer.conf compile

19
tests/bsim/bluetooth/ll/conn/prj_split_tx_defer.conf Normal file
View file

@ -0,0 +1,19 @@
CONFIG_BT=y
CONFIG_LOG=y
CONFIG_BT_CENTRAL=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_PRIVACY=y
CONFIG_BT_SMP=y
CONFIG_BT_SIGNING=y
CONFIG_BT_BAS=y
CONFIG_BT_HRS=y
CONFIG_BT_ATT_PREPARE_COUNT=2
CONFIG_BT_GATT_CLIENT=y
CONFIG_BT_L2CAP_DYNAMIC_CHANNEL=y
CONFIG_BT_DEVICE_NAME="bsim_test_split"
CONFIG_BT_L2CAP_TX_BUF_COUNT=6
CONFIG_BT_CTLR_PRIVACY=n
CONFIG_BT_CTLR_ADVANCED_FEATURES=y
CONFIG_BT_CTLR_TX_DEFER=y

7
tests/bsim/bluetooth/ll/conn/src/test_connect1.c
View file

@ -60,6 +60,7 @@ static uint8_t connected_signal;
*/
#define WAIT_TIME 6 /*seconds*/
#define WAIT_TIME_TX_DEFER 800 /* milliseconds */
#define WAIT_TIME_REPEAT 22 /*seconds*/
extern enum bst_result_t bst_result;
@ -77,7 +78,11 @@ extern enum bst_result_t bst_result;
static void test_con1_init(void)
{
bst_ticker_set_next_tick_absolute(WAIT_TIME*1e6);
if (IS_ENABLED(CONFIG_BT_CTLR_TX_DEFER)) {
bst_ticker_set_next_tick_absolute(WAIT_TIME_TX_DEFER*1e3);
} else {
bst_ticker_set_next_tick_absolute(WAIT_TIME*1e6);
}
bst_result = In_progress;
}

6
tests/bsim/bluetooth/ll/conn/src/test_connect2.c
View file

@ -209,7 +209,11 @@ static void test_con2_main(void)
* of starting delayed work so we do it here
*/
while (1) {
k_sleep(K_SECONDS(1));
if (IS_ENABLED(CONFIG_BT_CTLR_TX_DEFER)) {
k_sleep(K_MSEC(1));
} else {
k_sleep(K_SECONDS(1));
}
/* Heartrate measurements simulation */
hrs_notify();

25
tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split_tx_defer.sh Executable file
View file

@ -0,0 +1,25 @@
#!/usr/bin/env bash
# Copyright 2024 Nordic Semiconductor ASA
# SPDX-License-Identifier: Apache-2.0
source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
# Basic connection test: a central connects to a peripheral and expects a
# notification, using the split controller (ULL LLL)
simulation_id="basic_conn_split_tx_defer"
verbosity_level=2
cd ${BSIM_OUT_PATH}/bin
Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_ll_conn_prj_split_tx_defer_conf \
-v=${verbosity_level} -s=${simulation_id} -d=0 -RealEncryption=0 \
-testid=peripheral -rs=23
Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_ll_conn_prj_split_tx_defer_conf\
-v=${verbosity_level} -s=${simulation_id} -d=1 -RealEncryption=0 \
-testid=central -rs=6
Execute ./bs_2G4_phy_v1 -v=${verbosity_level} -s=${simulation_id} \
-D=2 -sim_length=20e6 $@
wait_for_background_jobs