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components/bt: backport 2 BT bugfix about controller

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1.Bugfix btdm sleep twice after wakeup request
2.Set the minimum encryption key size to be 7 octects for BR/EDR link for preventing KNOB attack
    This patch is to address the CVE-2019-9506 vulnerability.
This commit is contained in:
baohongde 2019-08-27 10:42:40 +08:00
parent 90bbea65c1
commit 61ba1c3026
1 changed files with 13 additions and 4 deletions
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17
components/bt/controller/bt.c
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@ -203,7 +203,8 @@ extern void btdm_controller_enable_sleep(bool enable);
extern void btdm_controller_set_sleep_mode(uint8_t mode);
extern uint8_t btdm_controller_get_sleep_mode(void);
extern bool btdm_power_state_active(void);
extern void btdm_wakeup_request(void);
extern void btdm_wakeup_request(bool request_lock);
extern void btdm_wakeup_request_end(void);
/* Low Power Clock */
extern bool btdm_lpclk_select_src(uint32_t sel);
extern bool btdm_lpclk_set_div(uint32_t div);
@ -893,6 +894,8 @@ bool esp_vhci_host_check_send_available(void)
void esp_vhci_host_send_packet(uint8_t *data, uint16_t len)
{
bool do_wakeup_request = false;
if (!btdm_power_state_active()) {
#if CONFIG_PM_ENABLE
if (semphr_take_wrapper(s_pm_lock_sem, 0)) {
@ -900,9 +903,15 @@ void esp_vhci_host_send_packet(uint8_t *data, uint16_t len)
}
esp_timer_stop(s_btdm_slp_tmr);
#endif
btdm_wakeup_request();
do_wakeup_request = true;
btdm_wakeup_request(true);
}
API_vhci_host_send_packet(data, len);
if (do_wakeup_request) {
btdm_wakeup_request_end();
}
}
esp_err_t esp_vhci_host_register_callback(const esp_vhci_host_callback_t *callback)
@ -1328,7 +1337,7 @@ esp_err_t esp_bt_controller_disable(void)
if (btdm_controller_get_sleep_mode() == BTDM_MODEM_SLEEP_MODE_ORIG) {
btdm_controller_enable_sleep(false);
if (!btdm_power_state_active()) {
btdm_wakeup_request();
btdm_wakeup_request(false);
}
while (!btdm_power_state_active()) {
ets_delay_us(1000);
@ -1466,7 +1475,7 @@ void esp_bt_controller_wakeup_request(void)
return;
}
btdm_wakeup_request();
btdm_wakeup_request(false);
}
esp_err_t esp_bredr_sco_datapath_set(esp_sco_data_path_t data_path)