ath_netbsd.h

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    1 /*      $NetBSD: ath_netbsd.h,v 1.8 2007/11/26 23:52:40 dyoung 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 ATH_CALLOUT_INIT(__ch, __mpsafe) callout_init((__ch), 0)
   41 
   42 #define TASK_INIT(__task, __zero, __func, __context)    \
   43         do {                                            \
   44                 (__task)->t_func = (__func);            \
   45                 (__task)->t_context = (__context);      \
   46         } while (0)
   47 
   48 #define TASK_RUN_OR_ENQUEUE(__task)     \
   49         ((*(__task)->t_func)((__task)->t_context, 1))
   50 
   51 struct ath_lock {
   52         int count;
   53         int ipl;
   54 };
   55 
   56 #define ATH_LOCK_INIT_IMPL(_obj, _member)               \
   57         do { (_obj)->_member.count = 0; } while (0)
   58 #define ATH_LOCK_IMPL(_obj, _member)                    \
   59         do {                                            \
   60                 int __s = splnet();                     \
   61                 if ((_obj)->_member.count++ == 0)       \
   62                         (_obj)->_member.ipl = __s;      \
   63         } while (0)
   64 #define ATH_UNLOCK_IMPL(_obj, _member)                                  \
   65         do {                                                            \
   66                 if (--(_obj)->_member.count == 0)                       \
   67                         splx((_obj)->_member.ipl);                      \
   68                 else {                                                  \
   69                         KASSERT((_obj)->_member.count >= 0,             \
   70                             ("%s: no ATH_LOCK holders", __func__));     \
   71                 }                                                       \
   72         } while (0)
   73 
   74 typedef struct ath_lock ath_lock_t;
   75 #define ATH_LOCK_INIT(_sc)      ATH_LOCK_INIT_IMPL(_sc, sc_mtx)
   76 #define ATH_LOCK_DESTROY(_sc)
   77 #define ATH_LOCK(_sc)   ATH_LOCK_IMPL(_sc, sc_mtx)
   78 #define ATH_UNLOCK(_sc) ATH_UNLOCK_IMPL(_sc, sc_mtx)
   79 #define ATH_LOCK_ASSERT(_sc)
   80 
   81 typedef struct ath_lock ath_txq_lock_t;
   82 #define ATH_TXQ_LOCK_INIT(_sc, _tq)     ATH_LOCK_INIT_IMPL(_tq, axq_lock)
   83 #define ATH_TXQ_LOCK_DESTROY(_tq)
   84 #define ATH_TXQ_LOCK(_tq)               ATH_LOCK_IMPL(_tq, axq_lock)
   85 #define ATH_TXQ_UNLOCK(_tq)             ATH_UNLOCK_IMPL(_tq, axq_lock)
   86 #define ATH_TXQ_LOCK_ASSERT(_tq)
   87 
   88 typedef struct ath_lock ath_txbuf_lock_t;
   89 #define ATH_TXBUF_LOCK_INIT(_sc)        ATH_LOCK_INIT_IMPL(_sc, sc_txbuflock)
   90 #define ATH_TXBUF_LOCK_DESTROY(_sc)
   91 #define ATH_TXBUF_LOCK(_sc)             ATH_LOCK_IMPL(_sc, sc_txbuflock)
   92 #define ATH_TXBUF_UNLOCK(_sc)           ATH_UNLOCK_IMPL(_sc, sc_txbuflock)
   93 #define ATH_TXBUF_LOCK_ASSERT(_sc)
   94 
   95 #define NET_LOCK_GIANT()
   96 #define NET_UNLOCK_GIANT()
   97 
   98 #define IF_LOCK(__q)
   99 #define IF_UNLOCK(__q)
  100 
  101 #define SYSCTL_INT_SUBR(__rw, __name, __descr)                               \
  102         sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),     \
  103             CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\
  104             0, sc, 0, CTL_CREATE, CTL_EOL)
  105 
  106 #define __PFX(__pfx, __name)    __pfx##__name
  107 
  108 #define SYSCTL_PFX_INT(__pfx, __rw, __name, __descr)                    \
  109         sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\
  110             CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0,       \
  111             __PFX(&__pfx, __name), 0, CTL_CREATE, CTL_EOL)
  112 
  113 #define SYSCTL_INT(__rw, __name, __descr)                               \
  114         SYSCTL_PFX_INT(sc->sc_, __rw, __name, __descr)
  115 
  116 #define SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var)                 \
  117         sysctl_createv(clog, 0, &rnode, &cnode,                         \
  118             CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name,              \
  119             SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\
  120             CTL_EOL)
  121 
  122 extern void device_printf(device_t, const char *fmt, ...)
  123     __attribute__((__format__(__printf__,2,3)));
  124 const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
  125 const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);
  126 
  127 #endif /* _ATH_NETBSD_H */

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/ath_netbsd.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/ath_netbsd.h