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146 lines
6.3 KiB
146 lines
6.3 KiB
/******************************************************************************
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*
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* Copyright 2015 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#pragma once
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#include <stdbool.h>
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#include "raw_address.h"
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static const char INTEROP_MODULE[] = "interop_module";
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// NOTE:
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// Only add values at the end of this enum and do NOT delete values
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// as they may be used in dynamic device configuration.
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typedef enum {
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// Disable secure connections
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// This is for pre BT 4.1/2 devices that do not handle secure mode
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// very well.
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INTEROP_DISABLE_LE_SECURE_CONNECTIONS = 0,
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// Some devices have proven problematic during the pairing process, often
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// requiring multiple retries to complete pairing. To avoid degrading the user
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// experience for those devices, automatically re-try pairing if page
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// timeouts are received during pairing.
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INTEROP_AUTO_RETRY_PAIRING,
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// Devices requiring this workaround do not handle Bluetooth Absolute Volume
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// control correctly, leading to undesirable (potentially harmful) volume
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// levels or general lack of controlability.
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INTEROP_DISABLE_ABSOLUTE_VOLUME,
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// Disable automatic pairing with headsets/car-kits
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// Some car kits do not react kindly to a failed pairing attempt and
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// do not allow immediate re-pairing. Rejectlist these so that the initial
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// pairing attempt makes it to the user instead.
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INTEROP_DISABLE_AUTO_PAIRING,
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// Use a fixed pin for specific keyboards
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// Keyboards should use a variable pin at all times. However, some keyboards
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// require a fixed pin of all 0000. This workaround enables auto pairing for
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// those keyboards.
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INTEROP_KEYBOARD_REQUIRES_FIXED_PIN,
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// Some headsets have audio jitter issues because of increased
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// re-transmissions as the 3 Mbps packets have a lower link margin, and are
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// more prone to interference. We can disable 3DH packets (use only 2DH
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// packets) for the ACL link to improve sensitivity when streaming A2DP audio
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// to the headset. Air sniffer logs show reduced re-transmissions after
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// switching to 2DH packets.
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// Disable 3Mbps packets and use only 2Mbps packets for ACL links when
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// streaming audio.
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INTEROP_2MBPS_LINK_ONLY,
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// Do not use supervision timeout value received from preferred connection
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// parameters, use 3s instead. Use with HID only.
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INTEROP_HID_PREF_CONN_SUP_TIMEOUT_3S,
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// Do not send service changed indications (GATT client).
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// This should be removed after the characteristic is implmeented b/62088395.
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INTEROP_GATTC_NO_SERVICE_CHANGED_IND,
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// Do not use AVDTP RECONFIGURE when reconfiguring A2DP streams.
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// Some A2DP Sink devices report SUCCESS to the AVDTP RECONFIGURE command,
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// but fail to play the reconfigured audio stream.
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INTEROP_DISABLE_AVDTP_RECONFIGURE,
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// Create dynamic rejectlist to disable role switch.
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// Some car kits indicate that role switch is supported, but then reject
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// role switch attempts. After rejecting several role switch attempts,
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// such car kits will go into bad state.
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INTEROP_DYNAMIC_ROLE_SWITCH,
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// Disable role switch for headsets/car-kits.
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// Some car kits allow role switch but when the Phone initiates role switch,
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// the Remote device will go into bad state that will lead to LMP time out.
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INTEROP_DISABLE_ROLE_SWITCH,
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// Set a very low initial sniff subrating for HID devices that do not
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// set their own sniff interval.
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INTEROP_HID_HOST_LIMIT_SNIFF_INTERVAL,
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// Disable remote name requst for some devices.
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// The public address of these devices are same as the Random address in ADV.
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// Then will get name by LE_Create_connection, actually fails,
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// but will block pairing.
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INTEROP_DISABLE_NAME_REQUEST,
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// Respond AVRCP profile version only 1.4 for some device.
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INTEROP_AVRCP_1_4_ONLY,
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// Disable sniff mode for headsets/car-kits
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// Some car kits supports sniff mode but when DUT initiates sniff req
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// Remote will go to bad state and its leads to LMP time out.
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INTEROP_DISABLE_SNIFF,
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// Do not send AVDTP SUSPEND while the playback is paused.
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// Some older A2DP Sink devices might not support to pause the streaming.
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INTEROP_DISABLE_AVDTP_SUSPEND,
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// Some car kits do not send the AT+BIND command while establishing the SLC
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// which causes an HFP profile connection failure
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INTEROP_SLC_SKIP_BIND_COMMAND
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} interop_feature_t;
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// Check if a given |addr| matches a known interoperability workaround as
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// identified by the |interop_feature_t| enum. This API is used for simple
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// address based lookups where more information is not available. No
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// look-ups or random address resolution are performed on |addr|.
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bool interop_match_addr(const interop_feature_t feature,
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const RawAddress* addr);
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// Check if a given remote device |name| matches a known workaround.
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// Name comparisons are case sensitive and do not allow for partial matches.
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// If |name| is "TEST" and a workaround exists for "TESTING", then this function
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// will return false. But, if |name| is "TESTING" and a workaround exists for
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// "TEST", this function will return true.
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// |name| cannot be null and must be null terminated.
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bool interop_match_name(const interop_feature_t feature, const char* name);
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// Add a dynamic interop database entry for a device matching the first |length|
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// bytes of |addr|, implementing the workaround identified by |feature|.
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// |addr| may not be null.
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// |length| must be greater than 0 and less than RawAddress::kLength.
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// As |interop_feature_t| is not exposed in the public API, feature must be a
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// valid integer representing an option in the enum.
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void interop_database_add(uint16_t feature, const RawAddress* addr,
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size_t length);
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// Clear the dynamic portion of the interoperability workaround database.
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void interop_database_clear(void);
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