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 */ 132