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

     /*-
      * Copyright (c) 2003, 2004 David Young
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    #ifndef _ATH_COMPAT_H
    #define _ATH_COMPAT_H
    
    #ifdef __FreeBSD__
    #define ATH_TICKS() (ticks)
    
    typedef struct task ath_task_t;
    
    #define ATH_CALLOUT_INIT(chp) callout_init((chp), CALLOUT_MPSAFE)
    
    #define ATH_TASK_INIT(task, func, context) TASK_INIT(task, 0, func, context)
    #define ATH_TASK_RUN_OR_ENQUEUE(_task) taskqueue_enqueue(taskqueue_swi, _task)
    
    #define ath_softc_critsect_decl(_x)             /* empty */
    #define ath_softc_critsect_begin(sc, _x)        mtx_lock(&(sc)->sc_mtx)
    #define ath_softc_critsect_end(sc, _x)          mtx_unlock(&(sc)->sc_mtx)
    #define ath_txbuf_critsect_decl(_x)             /* empty */
    #define ath_txbuf_critsect_begin(sc, _x)        mtx_lock(&(sc)->sc_txbuflock)
    #define ath_txbuf_critsect_end(sc, _x)          mtx_unlock(&(sc)->sc_txbuflock)
    #define ath_txq_critsect_decl(_x)               /* empty */
    #define ath_txq_critsect_begin(sc, _x)          mtx_lock(&(sc)->sc_txqlock)
    #define ath_txq_critsect_end(sc, _x)            mtx_unlock(&(sc)->sc_txqlock)
    
    static __inline int
    ath_buf_dmamap_load_mbuf(bus_dma_tag_t tag, struct ath_buf *bf,
        struct mbuf *m, int flags)
    {
            int error;
            error = bus_dmamap_load_mbuf(tag, bf->bf_dmamap, m, ath_mbuf_load_cb,
                bf, flags);
            if (error == 0 && bf->bf_nseg > ATH_TXDESC)
                    return EFBIG;
            return error;
    }
    
    #define ath_buf_dmamap_sync(tag, bf, ops) \
            bus_dmamap_sync((tag), (bf)->bf_dmamap, (ops))
    
    #else
    #define ATH_TICKS() (hardclock_ticks)
    
    #define BPF_MTAP(ifp, m)        bpf_mtap((ifp)->if_bpf, (m))
    #undef KASSERT
    #define KASSERT(cond, complaint) if (!(cond)) panic complaint
    
    typedef struct ath_task {
            void    (*t_func)(void*, int);
            void    *t_context;
    } ath_task_t;
    
    #define ATH_CALLOUT_INIT(chp) callout_init((chp))
    
    #define ATH_TASK_INIT(task, func, context)      \
            do {                                    \
                    (task)->t_func = (func);        \
                    (task)->t_context = (context);  \
            } while (0)
    
    #define ATH_TASK_RUN_OR_ENQUEUE(task) ((*(task)->t_func)((task)->t_context, 1))
    
    #define ath_critsect_decl(_x)           int _x
    #define ath_critsect_begin(sc, _x)      do { _x = splnet(); } while (0)
    #define ath_critsect_end(sc, _x)        splx(_x)
    #define ath_softc_critsect_decl(_x)             ath_critsect_decl(_x)
    #define ath_softc_critsect_begin(sc, _x)        ath_critsect_begin(sc, _x)
    #define ath_softc_critsect_end(sc, _x)          ath_critsect_end(sc, _x)
    #define ath_txbuf_critsect_decl(_x)             ath_critsect_decl(_x)
    #define ath_txbuf_critsect_begin(sc, _x)        ath_critsect_begin(sc, _x)
    #define ath_txbuf_critsect_end(sc, _x)          ath_critsect_end(sc, _x)
    #define ath_txq_critsect_decl(_x)               ath_critsect_decl(_x)
    #define ath_txq_critsect_begin(sc, _x)          ath_critsect_begin(sc, _x)
    #define ath_txq_critsect_end(sc, _x)            ath_critsect_end(sc, _x)
    
   #define ath_buf_dmamap_load_mbuf(tag, bf, m, flags) \
           bus_dmamap_load_mbuf((tag), (bf)->bf_dmamap, (m), (flags))
   
   #define ath_buf_dmamap_sync(tag, bf, ops) \
           bus_dmamap_sync((tag), (bf)->bf_dmamap, 0, \
               (bf)->bf_dmamap->dm_mapsize, (ops))
   
   extern void device_printf(struct device, const char *fmt, ...);
   
   #endif
   
   #endif /* _ATH_COMPAT_H */

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