xref: /netbsd-src/sys/dev/ic/ath_netbsd.h (revision 5ffb0503f39460bd2c2431b2d81f76b0d64fe5ef)
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 
33 typedef 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 
51 typedef 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 
58 typedef 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 
90 const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
91 const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);
92 
93 #endif /* _ATH_NETBSD_H */
94