1/* $NetBSD: ath_netbsd.h,v 1.15 2013/01/27 12:48:56 jmcneill Exp $ */
2
3/*-
4 * Copyright (c) 2003, 2004 David Young
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27#ifndef _ATH_NETBSD_H
28#define _ATH_NETBSD_H
29
30#include <sys/sysctl.h>
31
32typedef struct ath_task {
33 void (*t_func)(void*, int);
34 void *t_context;
35} ath_task_t;
36
37#define ATH_CALLOUT_INIT(__ch, __mpsafe) callout_init((__ch), 0)
38
39#define TASK_INIT(__task, __zero, __func, __context) \
40 do { \
41 (__task)->t_func = (__func); \
42 (__task)->t_context = (__context); \
43 } while (0)
44
45#define TASK_RUN_OR_ENQUEUE(__task) \
46 ((*(__task)->t_func)((__task)->t_context, 1))
47
48typedef kmutex_t ath_txq_lock_t;
49#define ATH_TXQ_LOCK_INIT(_sc, _tq) mutex_init(&(_tq)->axq_lock, MUTEX_DEFAULT, IPL_NET)
50#define ATH_TXQ_LOCK_DESTROY(_tq) mutex_destroy(&(_tq)->axq_lock)
51#define ATH_TXQ_LOCK(_tq) mutex_enter(&(_tq)->axq_lock)
52#define ATH_TXQ_UNLOCK(_tq) mutex_exit(&(_tq)->axq_lock)
53#define ATH_TXQ_LOCK_ASSERT(_tq) do { KASSERTMSG(mutex_owned(&(_tq)->axq_lock), "txq lock unheld"); } while (/*CONSTCOND*/true)
54
55typedef kmutex_t ath_txbuf_lock_t;
56#define ATH_TXBUF_LOCK_INIT(_sc) mutex_init(&(_sc)->sc_txbuflock, MUTEX_DEFAULT, IPL_NET)
57#define ATH_TXBUF_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->sc_txbuflock)
58#define ATH_TXBUF_LOCK(_sc) mutex_enter(&(_sc)->sc_txbuflock)
59#define ATH_TXBUF_UNLOCK(_sc) mutex_exit(&(_sc)->sc_txbuflock)
60#define ATH_TXBUF_LOCK_ASSERT(_sc) do { KASSERTMSG(mutex_owned(&(_sc)->sc_txbuflock), "txbuf lock unheld"); } while (/*CONSTCOND*/true)
61
62#define NET_LOCK_GIANT()
63#define NET_UNLOCK_GIANT()
64
65#define SYSCTL_INT_SUBR(__rw, __name, __descr) \
66 sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw), \
67 CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\
68 0, (void *)sc, 0, CTL_CREATE, CTL_EOL)
69
70#define __PFX(__pfx, __name) __pfx##__name
71
72#define SYSCTL_PFX_INT(__pfx, __rw, __name, __descr) \
73 sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\
74 CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0, \
75 __PFX(&__pfx, __name), 0, CTL_CREATE, CTL_EOL)
76
77#define SYSCTL_INT(__rw, __name, __descr) \
78 SYSCTL_PFX_INT(sc->sc_, __rw, __name, __descr)
79
80#define SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var) \
81 sysctl_createv(clog, 0, &rnode, &cnode, \
82 CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name, \
83 SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\
84 CTL_EOL)
85
86const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
87const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);
88
89#endif /* _ATH_NETBSD_H */
90