xref: /netbsd-src/sys/dev/ic/ath_netbsd.h (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*-
2  * Copyright (c) 2003, 2004 David Young
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
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 #undef KASSERT
31 #define KASSERT(__cond, __complaint) if (!(__cond)) panic __complaint
32 
33 typedef struct ath_task {
34 	void	(*t_func)(void*, int);
35 	void	*t_context;
36 } ath_task_t;
37 
38 #define	M_RDONLY	M_EXT	/* XXX check different/additional flags? */
39 
40 #define	CALLOUT_MPSAFE	0
41 #define ATH_CALLOUT_INIT(__ch, __mpsafe) callout_init((__ch))
42 
43 #define TASK_INIT(__task, __zero, __func, __context)	\
44 	do {						\
45 		(__task)->t_func = (__func);		\
46 		(__task)->t_context = (__context);	\
47 	} while (0)
48 
49 #define TASK_RUN_OR_ENQUEUE(__task)	\
50 	((*(__task)->t_func)((__task)->t_context, 1))
51 
52 struct ath_lock {
53 	int count;
54 	int ipl;
55 };
56 
57 #define	ATH_LOCK_INIT_IMPL(_obj, _member)		\
58 	do { (_obj)->_member.count = 0; } while (0)
59 #define	ATH_LOCK_IMPL(_obj, _member)			\
60 	do {						\
61 		int __s = splnet();			\
62 		if ((_obj)->_member.count++ == 0)	\
63 			(_obj)->_member.ipl = __s;	\
64 	} while (0)
65 #define	ATH_UNLOCK_IMPL(_obj, _member)					\
66 	do {								\
67 		if (--(_obj)->_member.count == 0)			\
68 			splx((_obj)->_member.ipl);			\
69 		else {							\
70 			KASSERT((_obj)->_member.count >= 0,		\
71 			    ("%s: no ATH_LOCK holders", __func__));	\
72 		}							\
73 	} while (0)
74 
75 typedef struct ath_lock ath_lock_t;
76 #define	ATH_LOCK_INIT(_sc)	ATH_LOCK_INIT_IMPL(_sc, sc_mtx)
77 #define	ATH_LOCK_DESTROY(_sc)
78 #define	ATH_LOCK(_sc)	ATH_LOCK_IMPL(_sc, sc_mtx)
79 #define	ATH_UNLOCK(_sc)	ATH_UNLOCK_IMPL(_sc, sc_mtx)
80 #define	ATH_LOCK_ASSERT(_sc)
81 
82 typedef struct ath_lock ath_txq_lock_t;
83 #define	ATH_TXQ_LOCK_INIT(_sc, _tq)	ATH_LOCK_INIT_IMPL(_tq, axq_lock)
84 #define	ATH_TXQ_LOCK_DESTROY(_tq)
85 #define	ATH_TXQ_LOCK(_tq)		ATH_LOCK_IMPL(_tq, axq_lock)
86 #define	ATH_TXQ_UNLOCK(_tq)		ATH_UNLOCK_IMPL(_tq, axq_lock)
87 #define	ATH_TXQ_LOCK_ASSERT(_tq)
88 
89 typedef struct ath_lock ath_txbuf_lock_t;
90 #define	ATH_TXBUF_LOCK_INIT(_sc)	ATH_LOCK_INIT_IMPL(_sc, sc_txbuflock)
91 #define	ATH_TXBUF_LOCK_DESTROY(_sc)
92 #define	ATH_TXBUF_LOCK(_sc)		ATH_LOCK_IMPL(_sc, sc_txbuflock)
93 #define	ATH_TXBUF_UNLOCK(_sc)		ATH_UNLOCK_IMPL(_sc, sc_txbuflock)
94 #define	ATH_TXBUF_LOCK_ASSERT(_sc)
95 
96 #define	NET_LOCK_GIANT()
97 #define	NET_UNLOCK_GIANT()
98 
99 #define	IF_LOCK(__q)
100 #define	IF_UNLOCK(__q)
101 
102 #define	SYSCTL_INT_SUBR(__rw, __name, __descr)				     \
103 	sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),     \
104 	    CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\
105 	    0, sc, 0, CTL_CREATE, CTL_EOL)
106 
107 #define	__PFX(__pfx, __name)	__pfx##__name
108 
109 #define	SYSCTL_PFX_INT(__pfx, __rw, __name, __descr)			\
110 	sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\
111 	    CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0,	\
112 	    __PFX(&__pfx, __name), 0, CTL_CREATE, CTL_EOL)
113 
114 #define	SYSCTL_INT(__rw, __name, __descr)				\
115 	SYSCTL_PFX_INT(sc->sc_, __rw, __name, __descr)
116 
117 #define	SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var)			\
118 	sysctl_createv(clog, 0, &rnode, &cnode,				\
119 	    CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name,		\
120 	    SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\
121 	    CTL_EOL)
122 
123 extern void device_printf(struct device, const char *fmt, ...);
124 struct mbuf *m_defrag(struct mbuf *, int);
125 struct mbuf *m_getcl(int, int, int);
126 const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
127 const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);
128 
129 #endif /* _ATH_NETBSD_H */
130