freebsd-dev/sys/netgraph/bluetooth/include/ng_bluetooth.h
2005-01-07 01:45:51 +00:00

235 lines
5.8 KiB
C

/*
* bluetooth.h
*/
/*-
* Copyright (c) 2001-2002 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: ng_bluetooth.h,v 1.4 2003/04/26 22:32:34 max Exp $
* $FreeBSD$
*/
#ifndef _NETGRAPH_BLUETOOTH_H_
#define _NETGRAPH_BLUETOOTH_H_
/*
* Version of the stack
*/
#define NG_BLUETOOTH_VERSION 1
/*
* Declare the base of the Bluetooth sysctl hierarchy,
* but only if this file cares about sysctl's
*/
#ifdef SYSCTL_DECL
SYSCTL_DECL(_net_bluetooth);
SYSCTL_DECL(_net_bluetooth_hci);
SYSCTL_DECL(_net_bluetooth_l2cap);
SYSCTL_DECL(_net_bluetooth_rfcomm);
#endif /* SYSCTL_DECL */
/*
* Mbuf qeueue and useful mbufq macros. We do not use ifqueue because we
* do not need mutex and other locking stuff
*/
struct mbuf;
struct ng_bt_mbufq {
struct mbuf *head; /* first item in the queue */
struct mbuf *tail; /* last item in the queue */
u_int32_t len; /* number of items in the queue */
u_int32_t maxlen; /* maximal number of items in the queue */
u_int32_t drops; /* number if dropped items */
};
typedef struct ng_bt_mbufq ng_bt_mbufq_t;
typedef struct ng_bt_mbufq * ng_bt_mbufq_p;
#define NG_BT_MBUFQ_INIT(q, _maxlen) \
do { \
(q)->head = NULL; \
(q)->tail = NULL; \
(q)->len = 0; \
(q)->maxlen = (_maxlen); \
(q)->drops = 0; \
} while (0)
#define NG_BT_MBUFQ_DESTROY(q) \
do { \
NG_BT_MBUFQ_DRAIN((q)); \
} while (0)
#define NG_BT_MBUFQ_FIRST(q) (q)->head
#define NG_BT_MBUFQ_LEN(q) (q)->len
#define NG_BT_MBUFQ_FULL(q) ((q)->len >= (q)->maxlen)
#define NG_BT_MBUFQ_DROP(q) (q)->drops ++
#define NG_BT_MBUFQ_ENQUEUE(q, i) \
do { \
(i)->m_nextpkt = NULL; \
\
if ((q)->tail == NULL) \
(q)->head = (i); \
else \
(q)->tail->m_nextpkt = (i); \
\
(q)->tail = (i); \
(q)->len ++; \
} while (0)
#define NG_BT_MBUFQ_DEQUEUE(q, i) \
do { \
(i) = (q)->head; \
if ((i) != NULL) { \
(q)->head = (q)->head->m_nextpkt; \
if ((q)->head == NULL) \
(q)->tail = NULL; \
\
(q)->len --; \
(i)->m_nextpkt = NULL; \
} \
} while (0)
#define NG_BT_MBUFQ_PREPEND(q, i) \
do { \
(i)->m_nextpkt = (q)->head; \
if ((q)->tail == NULL) \
(q)->tail = (i); \
\
(q)->head = (i); \
(q)->len ++; \
} while (0)
#define NG_BT_MBUFQ_DRAIN(q) \
do { \
struct mbuf *m = NULL; \
\
for (;;) { \
NG_BT_MBUFQ_DEQUEUE((q), m); \
if (m == NULL) \
break; \
\
NG_FREE_M(m); \
} \
} while (0)
/*
* Netgraph item queue and useful itemq macros
*/
struct ng_item;
struct ng_bt_itemq {
struct ng_item *head; /* first item in the queue */
struct ng_item *tail; /* last item in the queue */
u_int32_t len; /* number of items in the queue */
u_int32_t maxlen; /* maximal number of items in the queue */
u_int32_t drops; /* number if dropped items */
};
typedef struct ng_bt_itemq ng_bt_itemq_t;
typedef struct ng_bt_itemq * ng_bt_itemq_p;
#define NG_BT_ITEMQ_INIT(q, _maxlen) NG_BT_MBUFQ_INIT((q), (_maxlen))
#define NG_BT_ITEMQ_DESTROY(q) \
do { \
NG_BT_ITEMQ_DRAIN((q)); \
} while (0)
#define NG_BT_ITEMQ_FIRST(q) NG_BT_MBUFQ_FIRST((q))
#define NG_BT_ITEMQ_LEN(q) NG_BT_MBUFQ_LEN((q))
#define NG_BT_ITEMQ_FULL(q) NG_BT_MBUFQ_FULL((q))
#define NG_BT_ITEMQ_DROP(q) NG_BT_MBUFQ_DROP((q))
#define NG_BT_ITEMQ_ENQUEUE(q, i) \
do { \
(i)->el_next = NULL; \
\
if ((q)->tail == NULL) \
(q)->head = (i); \
else \
(q)->tail->el_next = (i); \
\
(q)->tail = (i); \
(q)->len ++; \
} while (0)
#define NG_BT_ITEMQ_DEQUEUE(q, i) \
do { \
(i) = (q)->head; \
if ((i) != NULL) { \
(q)->head = (q)->head->el_next; \
if ((q)->head == NULL) \
(q)->tail = NULL; \
\
(q)->len --; \
(i)->el_next = NULL; \
} \
} while (0)
#define NG_BT_ITEMQ_PREPEND(q, i) \
do { \
(i)->el_next = (q)->head; \
if ((q)->tail == NULL) \
(q)->tail = (i); \
\
(q)->head = (i); \
(q)->len ++; \
} while (0)
#define NG_BT_ITEMQ_DRAIN(q) \
do { \
struct ng_item *i = NULL; \
\
for (;;) { \
NG_BT_ITEMQ_DEQUEUE((q), i); \
if (i == NULL) \
break; \
\
NG_FREE_ITEM(i); \
} \
} while (0)
/*
* Get Bluetooth stack sysctl globals
*/
u_int32_t bluetooth_hci_command_timeout (void);
u_int32_t bluetooth_hci_connect_timeout (void);
u_int32_t bluetooth_hci_max_neighbor_age (void);
u_int32_t bluetooth_l2cap_rtx_timeout (void);
u_int32_t bluetooth_l2cap_ertx_timeout (void);
#endif /* _NETGRAPH_BLUETOOTH_H_ */