freebsd-skq/lib/libbluetooth/bluetooth.h
Maksim Yevmenkin 78b96635e6 Implement low-level Bluetooth HCI API.
This should make it easier to make Linux BlueZ libhci port.

Reviewed by:	Iain Hibbert < plunky -at- rya-online -dot- net > of NetBSD
MFC after:	1 week
Inspired by:	Linux BlueZ
Inspired by:	NetBSD
2009-04-22 15:50:03 +00:00

213 lines
6.1 KiB
C

/*
* bluetooth.h
*/
/*-
* Copyright (c) 2001-2009 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: bluetooth.h,v 1.5 2003/09/14 23:28:42 max Exp $
* $FreeBSD$
*/
#ifndef _BLUETOOTH_H_
#define _BLUETOOTH_H_
#include <sys/types.h>
#include <sys/bitstring.h>
#include <sys/endian.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <sys/un.h>
#include <errno.h>
#include <netdb.h>
#include <netgraph/ng_message.h>
#include <netgraph/bluetooth/include/ng_hci.h>
#include <netgraph/bluetooth/include/ng_l2cap.h>
#include <netgraph/bluetooth/include/ng_btsocket.h>
#include <time.h>
__BEGIN_DECLS
/*
* Linux BlueZ compatibility
*/
#define bacmp(ba1, ba2) memcmp((ba1), (ba2), sizeof(bdaddr_t))
#define bacpy(dst, src) memcpy((dst), (src), sizeof(bdaddr_t))
#define ba2str(ba, str) bt_ntoa((ba), (str))
#define str2ba(str, ba) (bt_aton((str), (ba)) == 1? 0 : -1)
/*
* Interface to the outside world
*/
struct hostent * bt_gethostbyname (char const *name);
struct hostent * bt_gethostbyaddr (char const *addr, int len, int type);
struct hostent * bt_gethostent (void);
void bt_sethostent (int stayopen);
void bt_endhostent (void);
struct protoent * bt_getprotobyname (char const *name);
struct protoent * bt_getprotobynumber (int proto);
struct protoent * bt_getprotoent (void);
void bt_setprotoent (int stayopen);
void bt_endprotoent (void);
char const * bt_ntoa (bdaddr_t const *ba, char *str);
int bt_aton (char const *str, bdaddr_t *ba);
/* bt_devXXXX() functions (inspired by NetBSD) */
int bt_devaddr (char const *devname, bdaddr_t *addr);
int bt_devname (char *devname, bdaddr_t const *addr);
/*
* Bluetooth HCI functions
*/
#define HCI_DEVMAX 32 /* arbitrary */
#define HCI_DEVNAME_SIZE NG_NODESIZ
#define HCI_DEVFEATURES_SIZE NG_HCI_FEATURES_SIZE
struct bt_devinfo
{
char devname[HCI_DEVNAME_SIZE];
uint32_t state; /* device/implementation specific */
bdaddr_t bdaddr;
uint16_t _reserved0;
uint8_t features[HCI_DEVFEATURES_SIZE];
/* buffer info */
uint16_t _reserved1;
uint16_t cmd_free;
uint16_t sco_size;
uint16_t sco_pkts;
uint16_t sco_free;
uint16_t acl_size;
uint16_t acl_pkts;
uint16_t acl_free;
/* stats */
uint32_t cmd_sent;
uint32_t evnt_recv;
uint32_t acl_recv;
uint32_t acl_sent;
uint32_t sco_recv;
uint32_t sco_sent;
uint32_t bytes_recv;
uint32_t bytes_sent;
/* misc/specific */
uint16_t link_policy_info;
uint16_t packet_type_info;
uint16_t role_switch_info;
uint16_t debug;
uint8_t _padding[20]; /* leave space for future additions */
};
struct bt_devreq
{
uint16_t opcode;
uint8_t event;
void *cparam;
size_t clen;
void *rparam;
size_t rlen;
};
struct bt_devfilter {
bitstr_t bit_decl(packet_mask, 8);
bitstr_t bit_decl(event_mask, 256);
};
struct bt_devinquiry {
bdaddr_t bdaddr;
uint8_t pscan_rep_mode;
uint8_t pscan_period_mode;
uint8_t dev_class[3];
uint16_t clock_offset;
int8_t rssi;
uint8_t data[240];
};
typedef int (bt_devenum_cb_t)(int, struct bt_devinfo const *, void *);
int bt_devopen (char const *devname);
int bt_devclose(int s);
int bt_devsend (int s, uint16_t opcode, void *param, size_t plen);
ssize_t bt_devrecv (int s, void *buf, size_t size, time_t to);
int bt_devreq (int s, struct bt_devreq *r, time_t to);
int bt_devfilter(int s, struct bt_devfilter const *new,
struct bt_devfilter *old);
void bt_devfilter_pkt_set(struct bt_devfilter *filter, uint8_t type);
void bt_devfilter_pkt_clr(struct bt_devfilter *filter, uint8_t type);
int bt_devfilter_pkt_tst(struct bt_devfilter const *filter, uint8_t type);
void bt_devfilter_evt_set(struct bt_devfilter *filter, uint8_t event);
void bt_devfilter_evt_clr(struct bt_devfilter *filter, uint8_t event);
int bt_devfilter_evt_tst(struct bt_devfilter const *filter, uint8_t event);
int bt_devinquiry(char const *devname, time_t length, int num_rsp,
struct bt_devinquiry **ii);
int bt_devinfo (struct bt_devinfo *di);
int bt_devenum (bt_devenum_cb_t *cb, void *arg);
/*
* bdaddr utility functions (from NetBSD)
*/
static __inline int
bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
{
return (a->b[0] == b->b[0] && a->b[1] == b->b[1] &&
a->b[2] == b->b[2] && a->b[3] == b->b[3] &&
a->b[4] == b->b[4] && a->b[5] == b->b[5]);
}
static __inline int
bdaddr_any(const bdaddr_t *a)
{
return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0 &&
a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
}
static __inline void
bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
{
d->b[0] = s->b[0];
d->b[1] = s->b[1];
d->b[2] = s->b[2];
d->b[3] = s->b[3];
d->b[4] = s->b[4];
d->b[5] = s->b[5];
}
__END_DECLS
#endif /* ndef _BLUETOOTH_H_ */