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Bluetooth: Add option to force using identity address for advertising

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In some cases the app may want to force using the identity address
regardless of privacy support or what type of advertising is done.
Provide such an option in bt_le_adv_param.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2018-03-20 16:57:00 +02:00 • committed by Johan Hedberg
commit 7d4514a8b0
2 changed files with 17 additions and 3 deletions
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6
include/bluetooth/bluetooth.h
View file

@ -115,6 +115,12 @@ enum {
* occur.
*/
BT_LE_ADV_OPT_ONE_TIME = BIT(1),
/** Advertise using the identity address as the own address.
* @warning This will compromise the privacy of the device, so care
* must be taken when using this option.
*/
BT_LE_ADV_OPT_USE_IDENTITY = BIT(2),
};
/** LE Advertising Parameters. */

14
subsys/bluetooth/host/hci_core.c
View file

@ -4697,7 +4697,8 @@ int bt_le_adv_start(const struct bt_le_adv_param *param,
set_param.channel_map = 0x07;
if (param->options & BT_LE_ADV_OPT_CONNECTABLE) {
if (IS_ENABLED(CONFIG_BT_PRIVACY)) {
if (IS_ENABLED(CONFIG_BT_PRIVACY) &&
!(param->options & BT_LE_ADV_OPT_USE_IDENTITY)) {
err = le_set_private_addr();
if (err) {
return err;
@ -4733,16 +4734,23 @@ int bt_le_adv_start(const struct bt_le_adv_param *param,
}
err = set_random_address(param->own_addr);
set_param.own_addr_type = BT_ADDR_LE_RANDOM;
} else if (param->options & BT_LE_ADV_OPT_USE_IDENTITY) {
if (atomic_test_bit(bt_dev.flags,
BT_DEV_ID_STATIC_RANDOM)) {
err = set_random_address(&bt_dev.id_addr.a);
}
set_param.own_addr_type = bt_dev.id_addr.type;
} else {
err = le_set_private_addr();
set_param.own_addr_type = BT_ADDR_LE_RANDOM;
}
if (err) {
return err;
}
set_param.own_addr_type = BT_ADDR_LE_RANDOM;
if (sd) {
set_param.type = BT_LE_ADV_SCAN_IND;
} else {