1/*	$NetBSD: ath_netbsd.h,v 1.16 2017/02/02 10:05:35 nonaka 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#include <sys/intr.h>
32
33typedef struct ath_task {
34	void	*t_soft_ih;
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_soft_ih = 			\
42		    softint_establish(SOFTINT_NET,	\
43		      __CONCAT(__func, _si),		\
44		      (__context));			\
45		KASSERT((__task)->t_soft_ih);		\
46	} while (0)
47
48#define TASK_RUN_OR_ENQUEUE(__task)	\
49	softint_schedule((__task)->t_soft_ih);
50
51typedef kmutex_t ath_txq_lock_t;
52#define	ATH_TXQ_LOCK_INIT(_sc, _tq)	mutex_init(&(_tq)->axq_lock, MUTEX_DEFAULT, IPL_NET)
53#define	ATH_TXQ_LOCK_DESTROY(_tq)	mutex_destroy(&(_tq)->axq_lock)
54#define	ATH_TXQ_LOCK(_tq)		mutex_enter(&(_tq)->axq_lock)
55#define	ATH_TXQ_UNLOCK(_tq)		mutex_exit(&(_tq)->axq_lock)
56#define	ATH_TXQ_LOCK_ASSERT(_tq)	do { KASSERTMSG(mutex_owned(&(_tq)->axq_lock), "txq lock unheld"); } while (/*CONSTCOND*/true)
57
58typedef kmutex_t ath_txbuf_lock_t;
59#define	ATH_TXBUF_LOCK_INIT(_sc)	mutex_init(&(_sc)->sc_txbuflock, MUTEX_DEFAULT, IPL_NET)
60#define	ATH_TXBUF_LOCK_DESTROY(_sc)	mutex_destroy(&(_sc)->sc_txbuflock)
61#define	ATH_TXBUF_LOCK(_sc)		mutex_enter(&(_sc)->sc_txbuflock)
62#define	ATH_TXBUF_UNLOCK(_sc)		mutex_exit(&(_sc)->sc_txbuflock)
63#define	ATH_TXBUF_LOCK_ASSERT(_sc)	do { KASSERTMSG(mutex_owned(&(_sc)->sc_txbuflock), "txbuf lock unheld"); } while (/*CONSTCOND*/true)
64
65#define	NET_LOCK_GIANT_FUNC_INIT()	int s
66#define	NET_LOCK_GIANT()		s = splnet()
67#define	NET_UNLOCK_GIANT()		splx(s)
68
69#define	SYSCTL_INT_SUBR(__rw, __name, __descr)				     \
70	sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),     \
71	    CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\
72	    0, (void *)sc, 0, CTL_CREATE, CTL_EOL)
73
74#define	__PFX(__pfx, __name)	__pfx##__name
75
76#define	SYSCTL_PFX_INT(__pfx, __rw, __name, __descr)			\
77	sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\
78	    CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0,	\
79	    __PFX(&__pfx, __name), 0, CTL_CREATE, CTL_EOL)
80
81#define	SYSCTL_INT(__rw, __name, __descr)				\
82	SYSCTL_PFX_INT(sc->sc_, __rw, __name, __descr)
83
84#define	SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var)			\
85	sysctl_createv(clog, 0, &rnode, &cnode,				\
86	    CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name,		\
87	    SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\
88	    CTL_EOL)
89
90const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
91const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);
92
93#endif /* _ATH_NETBSD_H */
94