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tests: Bluetooth: Add regression test to l2cap/stress

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43de309b3e made a buffer leak.
It was not detected by this test.

Add another configuration, where the final buffer is sent without
fragments in order to exercise the leaky code path.

Signed-off-by: Jonathan Rico <jonathan.rico@nordicsemi.no>
This commit is contained in:
Jonathan Rico 2024-04-15 15:03:48 +02:00 committed by Carles Cufí
parent ce3141fe6c
commit 65abd2186c
5 changed files with 78 additions and 2 deletions
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1
tests/bsim/bluetooth/host/l2cap/compile.sh
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@ -13,6 +13,7 @@ source ${ZEPHYR_BASE}/tests/bsim/compile.source
app=tests/bsim/bluetooth/host/l2cap/general compile
app=tests/bsim/bluetooth/host/l2cap/userdata compile
app=tests/bsim/bluetooth/host/l2cap/stress compile
app=tests/bsim/bluetooth/host/l2cap/stress conf_file=prj_nofrag.conf compile
app=tests/bsim/bluetooth/host/l2cap/stress conf_file=prj_syswq.conf compile
app=tests/bsim/bluetooth/host/l2cap/split/dut compile
app=tests/bsim/bluetooth/host/l2cap/split/tester compile

47
tests/bsim/bluetooth/host/l2cap/stress/prj_nofrag.conf Normal file
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@ -0,0 +1,47 @@
CONFIG_BT=y
CONFIG_BT_CENTRAL=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="L2CAP stress test"
CONFIG_BT_EATT=n
CONFIG_BT_L2CAP_ECRED=n
CONFIG_BT_SMP=y # Next config depends on it
CONFIG_BT_L2CAP_DYNAMIC_CHANNEL=y
# Disable auto-initiated procedures so they don't
# mess with the test's execution.
CONFIG_BT_AUTO_PHY_UPDATE=n
CONFIG_BT_AUTO_DATA_LEN_UPDATE=n
CONFIG_BT_GAP_AUTO_UPDATE_CONN_PARAMS=n
# L2CAP MPS
# 23+27+27=77 makes exactly three full packets
CONFIG_BT_L2CAP_TX_MTU=77
# Send L2CAP PDUs without any fragmentation.
CONFIG_BT_BUF_ACL_TX_SIZE=81
CONFIG_BT_BUF_ACL_TX_COUNT=4
# The minimum value for this is
# L2AP MPS + L2CAP header (4)
CONFIG_BT_BUF_ACL_RX_SIZE=81
CONFIG_BT_L2CAP_TX_BUF_COUNT=100
CONFIG_BT_CTLR_DATA_LENGTH_MAX=81
CONFIG_BT_CTLR_RX_BUFFERS=10
CONFIG_BT_MAX_CONN=10
CONFIG_LOG=y
CONFIG_ASSERT=y
CONFIG_NET_BUF_POOL_USAGE=y
# CONFIG_BT_L2CAP_LOG_LEVEL_DBG=y
# CONFIG_BT_CONN_LOG_LEVEL_DBG=y
CONFIG_LOG_THREAD_ID_PREFIX=y
CONFIG_THREAD_NAME=y
CONFIG_ARCH_POSIX_TRAP_ON_FATAL=y

4
tests/bsim/bluetooth/host/l2cap/stress/src/main.c
View file

@ -20,7 +20,7 @@ CREATE_FLAG(flag_l2cap_connected);
#define L2CAP_CHANS NUM_PERIPHERALS
#define SDU_NUM 20
#define SDU_LEN 3000
#define NUM_SEGMENTS 10
#define NUM_SEGMENTS 100
#define RESCHEDULE_DELAY K_MSEC(100)
static void sdu_destroy(struct net_buf *buf)
@ -479,7 +479,7 @@ static void test_central_main(void)
}
LOG_DBG("All peripherals disconnected.");
LOG_DBG("Max segment pool usage: %u bufs", max_seg_allocated);
LOG_INF("Max segment pool usage: %u bufs", max_seg_allocated);
PASS("L2CAP STRESS Central passed\n");
}

1
tests/bsim/bluetooth/host/l2cap/stress/tests_scripts/_compile.sh
View file

@ -8,6 +8,7 @@ INCR_BUILD=1
source ${ZEPHYR_BASE}/tests/bsim/compile.source
app="$(guess_test_relpath)" compile
app="$(guess_test_relpath)" conf_file=prj_nofrag.conf compile
app="$(guess_test_relpath)" conf_file=prj_syswq.conf compile
wait_for_background_jobs

27
tests/bsim/bluetooth/host/l2cap/stress/tests_scripts/l2cap_nofrag.sh Executable file
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@ -0,0 +1,27 @@
#!/usr/bin/env bash
# Copyright (c) 2022 Nordic Semiconductor
# SPDX-License-Identifier: Apache-2.0
source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
# EATT test
simulation_id="l2cap_stress_nofrag"
verbosity_level=2
EXECUTE_TIMEOUT=240
bsim_exe=./bs_${BOARD_TS}_tests_bsim_bluetooth_host_l2cap_stress_prj_nofrag_conf
cd ${BSIM_OUT_PATH}/bin
Execute "${bsim_exe}" -v=${verbosity_level} -s=${simulation_id} -d=0 -testid=central -rs=43
Execute "${bsim_exe}" -v=${verbosity_level} -s=${simulation_id} -d=1 -testid=peripheral -rs=42
Execute "${bsim_exe}" -v=${verbosity_level} -s=${simulation_id} -d=2 -testid=peripheral -rs=10
Execute "${bsim_exe}" -v=${verbosity_level} -s=${simulation_id} -d=3 -testid=peripheral -rs=23
Execute "${bsim_exe}" -v=${verbosity_level} -s=${simulation_id} -d=4 -testid=peripheral -rs=7884
Execute "${bsim_exe}" -v=${verbosity_level} -s=${simulation_id} -d=5 -testid=peripheral -rs=230
Execute "${bsim_exe}" -v=${verbosity_level} -s=${simulation_id} -d=6 -testid=peripheral -rs=9
Execute ./bs_2G4_phy_v1 -v=${verbosity_level} -s=${simulation_id} -D=7 -sim_length=400e6 $@
wait_for_background_jobs