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/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "stack/include/bt_types.h"
#include "stack/include/hcidefs.h"
/**
* Create a bitmask of packet types from the remote feature
*/
class PeerPacketTypes {
public:
struct {
uint16_t supported{0};
uint16_t unsupported{0};
} acl, sco;
PeerPacketTypes(const BD_FEATURES& features) {
/* 3 and 5 slot packets? */
if (HCI_3_SLOT_PACKETS_SUPPORTED(features))
acl.supported |= (HCI_PKT_TYPES_MASK_DH3 | HCI_PKT_TYPES_MASK_DM3);
if (HCI_5_SLOT_PACKETS_SUPPORTED(features))
acl.supported |= HCI_PKT_TYPES_MASK_DH5 | HCI_PKT_TYPES_MASK_DM5;
/* 2 and 3 MPS support? */
if (!HCI_EDR_ACL_2MPS_SUPPORTED(features))
/* Not supported. Add 'not_supported' mask for all 2MPS packet types */
acl.unsupported |=
(HCI_PKT_TYPES_MASK_NO_2_DH1 | HCI_PKT_TYPES_MASK_NO_2_DH3 |
HCI_PKT_TYPES_MASK_NO_2_DH5);
if (!HCI_EDR_ACL_3MPS_SUPPORTED(features))
/* Not supported. Add 'not_supported' mask for all 3MPS packet types */
acl.unsupported |=
(HCI_PKT_TYPES_MASK_NO_3_DH1 | HCI_PKT_TYPES_MASK_NO_3_DH3 |
HCI_PKT_TYPES_MASK_NO_3_DH5);
/* EDR 3 and 5 slot support? */
if (HCI_EDR_ACL_2MPS_SUPPORTED(features) ||
HCI_EDR_ACL_3MPS_SUPPORTED(features)) {
if (!HCI_3_SLOT_EDR_ACL_SUPPORTED(features))
/* Not supported. Add 'not_supported' mask for all 3-slot EDR packet
* types
*/
acl.unsupported |=
(HCI_PKT_TYPES_MASK_NO_2_DH3 | HCI_PKT_TYPES_MASK_NO_3_DH3);
if (!HCI_5_SLOT_EDR_ACL_SUPPORTED(features))
/* Not supported. Add 'not_supported' mask for all 5-slot EDR packet
* types
*/
acl.unsupported |=
(HCI_PKT_TYPES_MASK_NO_2_DH5 | HCI_PKT_TYPES_MASK_NO_3_DH5);
}
}
};
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