1 /* $NetBSD: ath_netbsd.h,v 1.5 2006/02/05 06:03:26 xtraeme 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 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 #ifndef _ATH_NETBSD_H
30 #define _ATH_NETBSD_H
31
32 #undef KASSERT
33 #define KASSERT(__cond, __complaint) if (!(__cond)) panic __complaint
34
35 typedef struct ath_task {
36 void (*t_func)(void*, int);
37 void *t_context;
38 } ath_task_t;
39
40 #define M_RDONLY M_EXT /* XXX check different/additional flags? */
41
42 #define CALLOUT_MPSAFE 0
43 #define ATH_CALLOUT_INIT(__ch, __mpsafe) callout_init((__ch))
44
45 #define TASK_INIT(__task, __zero, __func, __context) \
46 do { \
47 (__task)->t_func = (__func); \
48 (__task)->t_context = (__context); \
49 } while (0)
50
51 #define TASK_RUN_OR_ENQUEUE(__task) \
52 ((*(__task)->t_func)((__task)->t_context, 1))
53
54 struct ath_lock {
55 int count;
56 int ipl;
57 };
58
59 #define ATH_LOCK_INIT_IMPL(_obj, _member) \
60 do { (_obj)->_member.count = 0; } while (0)
61 #define ATH_LOCK_IMPL(_obj, _member) \
62 do { \
63 int __s = splnet(); \
64 if ((_obj)->_member.count++ == 0) \
65 (_obj)->_member.ipl = __s; \
66 } while (0)
67 #define ATH_UNLOCK_IMPL(_obj, _member) \
68 do { \
69 if (--(_obj)->_member.count == 0) \
70 splx((_obj)->_member.ipl); \
71 else { \
72 KASSERT((_obj)->_member.count >= 0, \
73 ("%s: no ATH_LOCK holders", __func__)); \
74 } \
75 } while (0)
76
77 typedef struct ath_lock ath_lock_t;
78 #define ATH_LOCK_INIT(_sc) ATH_LOCK_INIT_IMPL(_sc, sc_mtx)
79 #define ATH_LOCK_DESTROY(_sc)
80 #define ATH_LOCK(_sc) ATH_LOCK_IMPL(_sc, sc_mtx)
81 #define ATH_UNLOCK(_sc) ATH_UNLOCK_IMPL(_sc, sc_mtx)
82 #define ATH_LOCK_ASSERT(_sc)
83
84 typedef struct ath_lock ath_txq_lock_t;
85 #define ATH_TXQ_LOCK_INIT(_sc, _tq) ATH_LOCK_INIT_IMPL(_tq, axq_lock)
86 #define ATH_TXQ_LOCK_DESTROY(_tq)
87 #define ATH_TXQ_LOCK(_tq) ATH_LOCK_IMPL(_tq, axq_lock)
88 #define ATH_TXQ_UNLOCK(_tq) ATH_UNLOCK_IMPL(_tq, axq_lock)
89 #define ATH_TXQ_LOCK_ASSERT(_tq)
90
91 typedef struct ath_lock ath_txbuf_lock_t;
92 #define ATH_TXBUF_LOCK_INIT(_sc) ATH_LOCK_INIT_IMPL(_sc, sc_txbuflock)
93 #define ATH_TXBUF_LOCK_DESTROY(_sc)
94 #define ATH_TXBUF_LOCK(_sc) ATH_LOCK_IMPL(_sc, sc_txbuflock)
95 #define ATH_TXBUF_UNLOCK(_sc) ATH_UNLOCK_IMPL(_sc, sc_txbuflock)
96 #define ATH_TXBUF_LOCK_ASSERT(_sc)
97
98 #define NET_LOCK_GIANT()
99 #define NET_UNLOCK_GIANT()
100
101 #define IF_LOCK(__q)
102 #define IF_UNLOCK(__q)
103
104 #define SYSCTL_INT_SUBR(__rw, __name, __descr) \
105 sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw), \
106 CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\
107 0, sc, 0, CTL_CREATE, CTL_EOL)
108
109 #define __PFX(__pfx, __name) __pfx##__name
110
111 #define SYSCTL_PFX_INT(__pfx, __rw, __name, __descr) \
112 sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\
113 CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0, \
114 __PFX(&__pfx, __name), 0, CTL_CREATE, CTL_EOL)
115
116 #define SYSCTL_INT(__rw, __name, __descr) \
117 SYSCTL_PFX_INT(sc->sc_, __rw, __name, __descr)
118
119 #define SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var) \
120 sysctl_createv(clog, 0, &rnode, &cnode, \
121 CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name, \
122 SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\
123 CTL_EOL)
124
125 extern void device_printf(struct device, const char *fmt, ...);
126 struct mbuf *m_defrag(struct mbuf *, int);
127 struct mbuf *m_getcl(int, int, int);
128 const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
129 const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);
130
131 #endif /* _ATH_NETBSD_H */
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