Bluetooth: Use random address if public address is not available
For single mode LE-only controllers, it is possible that they come without a public address. If a public address is not available, then use the random address for connection establishment and scanning. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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@ -59,6 +59,10 @@ static void hci_le_create_connection(struct hci_conn *conn)
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cp.scan_window = __constant_cpu_to_le16(0x0030);
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bacpy(&cp.peer_addr, &conn->dst);
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cp.peer_addr_type = conn->dst_type;
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if (bacmp(&hdev->bdaddr, BDADDR_ANY))
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cp.own_address_type = ADDR_LE_DEV_PUBLIC;
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else
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cp.own_address_type = ADDR_LE_DEV_RANDOM;
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cp.conn_interval_min = __constant_cpu_to_le16(0x0028);
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cp.conn_interval_max = __constant_cpu_to_le16(0x0038);
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cp.supervision_timeout = __constant_cpu_to_le16(0x002a);
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@ -2911,6 +2911,10 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev,
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param_cp.type = LE_SCAN_ACTIVE;
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param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
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param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
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if (bacmp(&hdev->bdaddr, BDADDR_ANY))
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param_cp.own_address_type = ADDR_LE_DEV_PUBLIC;
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else
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param_cp.own_address_type = ADDR_LE_DEV_RANDOM;
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hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
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¶m_cp);
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