The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i4b/include/i4b_l1l2.h

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    1 /*
    2  * Copyright (c) 1997, 2002 Hellmuth Michaelis. All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23  * SUCH DAMAGE.
   24  *
   25  *---------------------------------------------------------------------------
   26  *
   27  *      i4b_l1l2.h - i4b layer 1 / layer 2 interactions
   28  *      ---------------------------------------------------
   29  *
   30  * $FreeBSD: releng/5.2/sys/i4b/include/i4b_l1l2.h 92487 2002-03-17 09:33:15Z hm $
   31  *
   32  *      last edit-date: [Sat Mar  9 15:54:49 2002]
   33  *
   34  *---------------------------------------------------------------------------*/
   35 
   36 #ifndef _I4B_L1L2_H_
   37 #define _I4B_L1L2_H_
   38 
   39 #include <machine/i4b_trace.h>
   40 
   41 extern struct i4b_l1l2_func i4b_l1l2_func;
   42 
   43 struct i4b_l1l2_func
   44 {
   45         /* Layer 1 --> Layer 2 */
   46         /* =================== */
   47 
   48         int     (*PH_DATA_IND) (int, struct mbuf *);
   49         int     (*PH_ACTIVATE_IND) (int);
   50         int     (*PH_DEACTIVATE_IND) (int);
   51 
   52 #define PH_Data_Ind(unit, data)         \
   53         ((*i4b_l1l2_func.PH_DATA_IND)(unit, data))
   54 #define PH_Act_Ind(unit)                \
   55         ((*i4b_l1l2_func.PH_ACTIVATE_IND)(unit))
   56 #define PH_Deact_Ind(unit)              \
   57         ((*i4b_l1l2_func.PH_DEACTIVATE_IND)(unit))
   58 
   59 
   60         /* Layer 2 --> Layer 1 */       
   61         /* =================== */
   62         
   63         int     (*PH_DATA_REQ) (int, struct mbuf *, int);
   64         int     (*PH_ACTIVATE_REQ) (int);
   65 
   66 #define PH_Data_Req(unit, data, freeflag)       \
   67         ((*i4b_l1l2_func.PH_DATA_REQ)(unit, data, freeflag))
   68 #define PH_Act_Req(unit)                        \
   69         ((*i4b_l1l2_func.PH_ACTIVATE_REQ)(unit))
   70 
   71         /* Layer 1 --> upstream, ISDN trace data */
   72         /* ===================================== */
   73         int     (*MPH_TRACE_IND) (i4b_trace_hdr_t *, int, unsigned char *);
   74 
   75 #define MPH_Trace_Ind(header, length, pointer)  \
   76         ((*i4b_l1l2_func.MPH_TRACE_IND)(header, length, pointer))
   77 
   78         /* L1/L2 management command and status information */
   79         /* =============================================== */
   80         int     (*MPH_STATUS_IND) (int, int, int);
   81         int     (*MPH_COMMAND_REQ) (int, int, void *);
   82 
   83 #define MPH_Status_Ind(unit, status, parm)      \
   84         ((*i4b_l1l2_func.MPH_STATUS_IND)(unit, status, parm))
   85 #define MPH_Command_Req(unit, command, parm)    \
   86         ((*i4b_l1l2_func.MPH_COMMAND_REQ)(unit, command, parm))
   87 };
   88         
   89 #endif /* _I4B_L1L2_H_ */

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