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 typedef int ath_txq_lock_t; 53 #define ATH_TXQ_LOCK_INIT(_sc, _tq) 54 #define ATH_TXQ_LOCK_DESTROY(_tq) 55 #define ATH_TXQ_LOCK(_tq) \ 56 do { (_tq)->axq_lock = splnet(); } while (0) 57 #define ATH_TXQ_UNLOCK(_tq) \ 58 do { splx((_tq)->axq_lock); } while (0) 59 #define ATH_TXQ_LOCK_ASSERT(_tq) 60 61 struct ath_lock { 62 int count; 63 int ipl; 64 }; 65 66 #define ATH_LOCK_INIT_IMPL(_sc, _member) \ 67 do { (_sc)->_member.count = 0; } while (0) 68 #define ATH_LOCK_IMPL(_sc, _member) \ 69 do { \ 70 int __s = splnet(); \ 71 if ((_sc)->_member.count++ == 0) \ 72 (_sc)->_member.ipl = __s; \ 73 } while (0) 74 #define ATH_UNLOCK_IMPL(_sc, _member) \ 75 do { \ 76 if (--(_sc)->_member.count == 0) \ 77 splx((_sc)->_member.ipl); \ 78 else { \ 79 KASSERT((_sc)->_member.count >= 0, \ 80 ("%s: no ATH_LOCK holders", __func__)); \ 81 } \ 82 } while (0) 83 typedef struct ath_lock ath_lock_t; 84 #define ATH_LOCK_INIT(_sc) ATH_LOCK_INIT_IMPL(_sc, sc_mtx) 85 #define ATH_LOCK_DESTROY(_sc) 86 #define ATH_LOCK(_sc) ATH_LOCK_IMPL(_sc, sc_mtx) 87 #define ATH_UNLOCK(_sc) ATH_UNLOCK_IMPL(_sc, sc_mtx) 88 #define ATH_LOCK_ASSERT(_sc) 89 90 typedef struct ath_lock ath_txbuf_lock_t; 91 #define ATH_TXBUF_LOCK_INIT(_sc) ATH_LOCK_INIT_IMPL(_sc, sc_txbuflock) 92 #define ATH_TXBUF_LOCK_DESTROY(_sc) 93 #define ATH_TXBUF_LOCK(_sc) ATH_LOCK_IMPL(_sc, sc_txbuflock) 94 #define ATH_TXBUF_UNLOCK(_sc) ATH_UNLOCK_IMPL(_sc, sc_txbuflock) 95 #define ATH_TXBUF_LOCK_ASSERT(_sc) 96 97 #define NET_LOCK_GIANT() 98 #define NET_UNLOCK_GIANT() 99 100 #define IF_LOCK(__q) 101 #define IF_UNLOCK(__q) 102 103 #define SYSCTL_INT_SUBR(__rw, __name, __descr) \ 104 sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw), \ 105 CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\ 106 0, sc, 0, CTL_CREATE, CTL_EOL) 107 108 #define SYSCTL_INT(__rw, __name, __descr) \ 109 sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\ 110 CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0, \ 111 &sc->sc_##__name, 0, CTL_CREATE, CTL_EOL) 112 113 #define SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var) \ 114 sysctl_createv(clog, 0, &rnode, &cnode, \ 115 CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name, \ 116 SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\ 117 CTL_EOL) 118 119 extern void device_printf(struct device, const char *fmt, ...); 120 struct mbuf *m_defrag(struct mbuf *, int); 121 struct mbuf *m_getcl(int, int, int); 122 const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **); 123 124 #endif /* _ATH_NETBSD_H */ 125