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Merge branch 'bugfix/fix_ble_min_conn_interval' into 'master'

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fix(ble): Optimize connection interval minimum parameter check

Closes BLERP-2748

See merge request espressif/esp-idf!48116
This commit is contained in:
Island
2026-05-11 10:31:03 +08:00
parent 9bbb6446b8 102a899d23
commit 5a4e10c5e8
9 changed files with 58 additions and 68 deletions
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components/bt/host/bluedroid/stack/btm/btm_ble.c
+2 -2
View File
@@ -578,8 +578,8 @@ void BTM_BleSetPrefConnParams (BD_ADDR bd_addr,
tout: %u",
min_conn_int, max_conn_int, slave_latency, supervision_tout);
if (BTM_BLE_ISVALID_PARAM(min_conn_int, BTM_BLE_CONN_INT_MIN, BTM_BLE_CONN_INT_MAX) &&
BTM_BLE_ISVALID_PARAM(max_conn_int, BTM_BLE_CONN_INT_MIN, BTM_BLE_CONN_INT_MAX) &&
if (BTM_BLE_ISVALID_PARAM(min_conn_int, BLE_CONN_INT_MIN_HOST_CHECK, BTM_BLE_CONN_INT_MAX) &&
BTM_BLE_ISVALID_PARAM(max_conn_int, BLE_CONN_INT_MIN_HOST_CHECK, BTM_BLE_CONN_INT_MAX) &&
BTM_BLE_ISVALID_PARAM(supervision_tout, BTM_BLE_CONN_SUP_TOUT_MIN, BTM_BLE_CONN_SUP_TOUT_MAX) &&
(slave_latency <= BTM_BLE_CONN_LATENCY_MAX || slave_latency == BTM_BLE_CONN_PARAM_UNDEF)) {
if (p_dev_rec) {
components/bt/host/bluedroid/stack/include/stack/btm_ble_api.h
+6 -1
View File
@@ -122,7 +122,12 @@ typedef UINT8 tBTM_BLE_SFP;
#define BTM_BLE_SCAN_INT_MAX 0x4000
#define BTM_BLE_SCAN_WIN_MIN 0x0004
#define BTM_BLE_SCAN_WIN_MAX 0x4000
#define BTM_BLE_CONN_INT_MIN BLE_CONN_INT_MIN_HW /* host-side check limit; see BLE_CONN_INT_MIN_HW in common/bt_target.h */
/* Bluetooth Core Spec minimum BLE connection interval (7.5 ms). Used inside
* the host stack wherever the on-air or interoperability semantics require
* the spec value. For host-side parameter validation (which can be relaxed
* to accept sub-spec intervals) use BLE_CONN_INT_MIN_HOST_CHECK from
* common/bt_target.h instead. */
#define BTM_BLE_CONN_INT_MIN 0x0006
#define BTM_BLE_CONN_INT_MAX 0x0C80
#define BTM_BLE_CONN_LATENCY_MAX 499
#define BTM_BLE_CONN_SUP_TOUT_MIN 0x000A
components/bt/host/bluedroid/stack/l2cap/l2c_ble.c
+4 -4
View File
@@ -377,9 +377,9 @@ void l2cble_scanner_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE type,
p_lcb->ble_addr_type = type;
/* If there are any preferred connection parameters, set them now */
if ( (p_dev_rec->conn_params.min_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
if ( (p_dev_rec->conn_params.min_conn_int >= BLE_CONN_INT_MIN_HOST_CHECK ) &&
(p_dev_rec->conn_params.min_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
(p_dev_rec->conn_params.max_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
(p_dev_rec->conn_params.max_conn_int >= BLE_CONN_INT_MIN_HOST_CHECK ) &&
(p_dev_rec->conn_params.max_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
(p_dev_rec->conn_params.slave_latency <= BTM_BLE_CONN_LATENCY_MAX ) &&
(p_dev_rec->conn_params.supervision_tout >= BTM_BLE_CONN_SUP_TOUT_MIN) &&
@@ -762,8 +762,8 @@ void l2cble_process_sig_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len)
STREAM_TO_UINT16 (timeout, p); /* 0x000A - 0x0C80 */
/* If we are a master, the slave wants to update the parameters */
if (p_lcb->link_role == HCI_ROLE_MASTER) {
if (min_interval < BTM_BLE_CONN_INT_MIN || min_interval > BTM_BLE_CONN_INT_MAX ||
max_interval < BTM_BLE_CONN_INT_MIN || max_interval > BTM_BLE_CONN_INT_MAX ||
if (min_interval < BLE_CONN_INT_MIN_HOST_CHECK || min_interval > BTM_BLE_CONN_INT_MAX ||
max_interval < BLE_CONN_INT_MIN_HOST_CHECK || max_interval > BTM_BLE_CONN_INT_MAX ||
latency > BTM_BLE_CONN_LATENCY_MAX ||
timeout < BTM_BLE_CONN_SUP_TOUT_MIN || timeout > BTM_BLE_CONN_SUP_TOUT_MAX ||
/* The supervision_timeout parameter defines the link supervision timeout for the connection.