haiku/headers/private/bluetooth/btCoreData.h

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/*
* Copyright 2008 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com
* All rights reserved. Distributed under the terms of the MIT License.
*/
#ifndef _BTCOREDATA_H
#define _BTCOREDATA_H
#include <module.h>
#include <util/DoublyLinkedList.h>
#include <util/DoublyLinkedQueue.h>
#include <net_buffer.h>
#include <net_device.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/HCI/btHCI.h>
#include <l2cap.h>
#define BT_CORE_DATA_MODULE_NAME "bluetooth/btCoreData/v1"
struct L2capChannel;
struct L2capFrame;
struct L2capEndpoint;
typedef enum _connection_status {
HCI_CONN_CLOSED,
HCI_CONN_OPEN,
} connection_status;
#ifdef __cplusplus
struct HciConnection : DoublyLinkedListLinkImpl<HciConnection> {
hci_id Hid;
struct net_device* ndevice;
net_buffer* currentRxPacket;
ssize_t currentRxExpectedLength;
bdaddr_t destination;
uint16 handle;
int type;
uint16 mtu;
connection_status status; /* ACL connection state */
uint16 lastCid;
uint8 lastIdent;
DoublyLinkedList<L2capChannel> ChannelList;
DoublyLinkedList<L2capFrame> ExpectedResponses;
DoublyLinkedList<L2capFrame> OutGoingFrames;
};
#else
struct HciConnection;
#endif
typedef enum _channel_status {
L2CAP_CHAN_CLOSED, /* channel closed */
L2CAP_CHAN_W4_L2CAP_CON_RSP, /* wait for L2CAP resp. */
L2CAP_CHAN_W4_L2CA_CON_RSP, /* wait for upper resp. */
L2CAP_CHAN_CONFIG, /* L2CAP configuration */
L2CAP_CHAN_OPEN, /* channel open */
L2CAP_CHAN_W4_L2CAP_DISCON_RSP, /* wait for L2CAP discon. */
L2CAP_CHAN_W4_L2CA_DISCON_RSP /* wait for upper discon. */
} channel_status;
#ifdef __cplusplus
typedef struct _ChannelConfiguration {
uint16 imtu; /* incoming channel MTU */
l2cap_flow_t iflow; /* incoming flow control */
uint16 omtu; /* outgoing channel MTU */
l2cap_flow_t oflow; /* outgoing flow control */
uint16 flush_timo; /* flush timeout */
uint16 link_timo; /* link timeout */
} ChannelConfiguration;
struct L2capChannel : DoublyLinkedListLinkImpl<L2capChannel> {
HciConnection* conn;
uint16 scid;
uint16 dcid;
uint16 psm;
uint8 ident;
uint8 cfgState;
channel_status state;
ChannelConfiguration* configuration;
L2capEndpoint* endpoint;
};
#endif
typedef enum _frametype {
L2CAP_C_FRAME, // signals
L2CAP_G_FRAME, // CL packets
L2CAP_B_FRAME, // CO packets
L2CAP_I_FRAME,
L2CAP_S_FRAME
} frame_type;
#ifdef __cplusplus
struct L2capFrame : DoublyLinkedListLinkImpl<L2capFrame> {
HciConnection* conn;
L2capChannel* channel;
uint16 flags; /* command flags */
#define L2CAP_CMD_PENDING (1 << 0) /* command is pending */
uint8 code; /* L2CAP command opcode */
uint8 ident; /* L2CAP command ident */
frame_type type;
net_buffer* buffer; // contains 1 l2cap / mutliple acls
//TODO :struct callout timo; /* RTX/ERTX timeout */
};
#endif
struct bluetooth_core_data_module_info {
module_info info;
status_t (*PostEvent)(struct net_device* ndev, void* event, size_t size);
struct HciConnection* (*AddConnection)(uint16 handle, int type, bdaddr_t* dst, hci_id hid);
/*status_t (*RemoveConnection)(bdaddr_t destination, hci_id hid);*/
status_t (*RemoveConnection)(uint16 handle, hci_id hid);
hci_id (*RouteConnection)(bdaddr_t* destination);
void (*SetAclBuffer)(struct HciConnection* conn, net_buffer* nbuf);
void (*SetAclExpectedSize)(struct HciConnection* conn, size_t size);
void (*AclPutting)(struct HciConnection* conn, size_t size);
bool (*AclComplete)(struct HciConnection* conn);
bool (*AclOverFlowed)(struct HciConnection* conn);
struct HciConnection* (*ConnectionByHandle)(uint16 handle, hci_id hid);
struct HciConnection* (*ConnectionByDestination)(bdaddr_t* destination, hci_id hid);
struct L2capChannel* (*AddChannel)(struct HciConnection* conn, uint16 psm);
void (*RemoveChannel)(struct HciConnection* conn, uint16 scid);
struct L2capChannel* (*ChannelBySourceID)(struct HciConnection* conn, uint16 sid);
uint16 (*ChannelAllocateCid)(struct HciConnection* conn);
uint16 (*ChannelAllocateIdent)(struct HciConnection* conn);
struct L2capFrame* (*SignalByIdent)(struct HciConnection* conn, uint8 ident);
status_t (*TimeoutSignal)(struct L2capFrame* frame, uint32 timeo);
status_t (*UnTimeoutSignal)(struct L2capFrame* frame);
struct L2capFrame* (*SpawnFrame)(struct HciConnection* conn, net_buffer* buffer, frame_type frame);
struct L2capFrame* (*SpawnSignal)(struct HciConnection* conn, struct L2capChannel* channel, net_buffer* buffer, uint8 ident, uint8 code);
status_t (*AcknowledgeSignal)(struct L2capFrame* frame);
};
inline bool ExistConnectionByDestination(bdaddr_t* destination, hci_id hid);
inline bool ExistConnectionByHandle(uint16 handle, hci_id hid);
#endif // _BTCOREDATA_H