// Copyright (c) 2001-2010 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef _LINKCONSTS_H_

#define _LINKCONSTS_H_

#include <bt_sock.h>

#include <bluetooth/hci/basebandpacketconsts.h>

static const TInt KLinkMgrIncomingBufferCountPerLink = 8;

// Timers

//Timeout for idle timer - used for interval between protocol being ready to close, 

//and it actually closing

const TInt KLinkMgrProtocolIdleTimer = 2*1000000;

//Minimum interval allowed between successive AFHHostChannelClassification commands

const TInt KAFHHostChannelClassificationIntervalTimer = 1000000;

//Timeout to prevent further AFHHostChannelClassification commands 

//being blocked forever if no command complete is received.

const TInt KAFHHostChannelClassificationCommandCompleteTimer = 30000000;

// The number of buffers which we'd like to have for buffering data coming 

// from the L2CAP to HCI for flow control.

const TUint KHCIPreferedNumberOfHCIACLDataBuffers=8;

// In the HCI we have to account for all the packets pending on each connection

// so that we can update our data packet credits accordingly when disconnection

// or flush occures. The reason why this is 7 is because we do not need more for

// point to point Bluetooth (and we need the memory :-).

#ifdef PROXY_COMMUNICATES

const TUint KHCIMaxNumberOfACLConnectionRecords=8;	// one for broadcast

#else

const TUint KHCIMaxNumberOfACLConnectionRecords=7;

#endif

// Maximum number of connection records that the HCI will keep in order to check

// on disconnection whether an ACO or ACL connection was dropped.

// The maximum number of record is equal to the max number of ACL record x 3 

// since the standard allows for three SCO channels per baseband link

const TUint KHCIMaxNumberOfConnectionRecords=KHCIMaxNumberOfACLConnectionRecords*3;

// For a UART HCTL implementation of the HCI, we need to be able to buffer

// HCI Data buffers of at least 255+1+4 bytes, since the HC must guarantee to  

// be able to accept/buffer data packets of 255 bytes (EXCLUDING the headers).

// CSR ignore this bit of the spec, so we may just bin these anyway.

const TUint16 KHCIHCTLUartACLHeaderSize=1;

const TUint16 KHCIACLPacketHeaderSize=4;

const TUint16 KHCIACLMinDataBufferSize=255;

const TUint16 KHCIACLMinPacketBufferSize=

	KHCIHCTLUartACLHeaderSize+KHCIACLPacketHeaderSize+KHCIACLMinDataBufferSize;

const TUint KBluetoothMinHCBufs = 5;

//

// Physical Link Config

//

const TUint16 KStackACLBuffersSize = 1021; // size of 3DH-5 (largest packet size)

const TUint16 KStackACLBuffersNum = 16;

const TUint16 KStackACLBuffersTideMarkNum = 8;

#ifdef STACK_SCO_DATA

const TUint8 KStackSCOBuffersSize = 255;

const TUint16 KStackSCOBuffersNum = 1;

#else

const TUint8 KStackSCOBuffersSize = 0;

const TUint16 KStackSCOBuffersNum = 0;

#endif

const TUint16 KLinkMgrIncomingBufferHeaderSize = 1; // header is just the ACL flags

const TUint16 KLinkMgrIncomingBufferSize = KStackACLBuffersSize + KLinkMgrIncomingBufferHeaderSize;

static const THCIScanEnable KHCIDefaultScanMode =  EInquiryAndPageScan;

static const TUint16 KHCIDefaultAcceptTimeout = 0x1FA0;  // time=n*0.625ms

static const TUint16 KHCIDefaultPageTimeout = 0x8000;

static const TUint16 KHCIMaxSlotsOnePacketType = KDM1Packet | 

												 KDH1Packet;

static const TUint16 KHCIMaxSlotsThreePacketType = KDM1Packet |

												   KDH1Packet |

												   KDM3Packet |

												   KDH3Packet;

static const TUint16 KHCIMaxSlotsFivePacketType = KDM1Packet |

												  KDH1Packet |

												  KDM3Packet |

												  KDH3Packet |

												  KDM5Packet |

												  KDH5Packet;

static const TUint16 KHCIDefaultPacketType = KHCIMaxSlotsFivePacketType;

static const TUint16 KHCIDefaultSCOPacketType = KHV1Packet |

												KHV2Packet |

												KHV3Packet;

static const TInt KPhysicalLinkIdleTimeout = 5;

static const TInt KMaxPhysicalLinkIdleTimeout = 60;

#endif