i4b_l2l3.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  *
   28  *      i4b_l2l3.h - i4b layer 2 / layer 3 interactions
   29  *      -----------------------------------------------
   30  *
   31  * $FreeBSD: releng/6.3/sys/i4b/include/i4b_l2l3.h 139790 2005-01-06 22:18:23Z imp $
   32  *
   33  *      last edit-date: [Sat Mar  9 15:55:16 2002]
   34  *
   35  *---------------------------------------------------------------------------*/
   36 
   37 #ifndef _I4B_L2L3_H_
   38 #define _I4B_L2L3_H_
   39 
   40 extern struct i4b_l2l3_func i4b_l2l3_func;
   41 
   42 struct i4b_l2l3_func
   43 {
   44         /* Layer 2 --> Layer 3 */
   45         /* =================== */
   46 
   47         int     (*DL_ESTABLISH_IND) (int);
   48         int     (*DL_ESTABLISH_CNF) (int);
   49         
   50         int     (*DL_RELEASE_IND) (int);
   51         int     (*DL_RELEASE_CNF) (int);
   52 
   53         int     (*DL_DATA_IND) (int, struct mbuf *);
   54 
   55         int     (*DL_UNIT_DATA_IND) (int, struct mbuf *);       
   56         
   57 #define DL_Est_Ind(unit)                \
   58         ((*i4b_l2l3_func.DL_ESTABLISH_IND)(unit))
   59 #define DL_Est_Cnf(unit)                \
   60         ((*i4b_l2l3_func.DL_ESTABLISH_CNF)(unit))
   61 #define DL_Rel_Ind(unit)                \
   62         ((*i4b_l2l3_func.DL_RELEASE_IND)(unit))
   63 #define DL_Rel_Cnf(unit)                \
   64         ((*i4b_l2l3_func.DL_RELEASE_CNF)(unit))
   65 #define DL_Data_Ind(unit, data)         \
   66         ((*i4b_l2l3_func.DL_DATA_IND)(unit, data))
   67 #define DL_Unit_Data_Ind(unit, data)    \
   68         ((*i4b_l2l3_func.DL_UNIT_DATA_IND)(unit, data))
   69         
   70 #define DL_Est_Ind_A                    \
   71         (i4b_l2l3_func.DL_ESTABLISH_IND)
   72 #define DL_Est_Cnf_A                    \
   73         (i4b_l2l3_func.DL_ESTABLISH_CNF)
   74 #define DL_Rel_Ind_A                    \
   75         (i4b_l2l3_func.DL_RELEASE_IND)
   76 #define DL_Rel_Cnf_A                    \
   77         (i4b_l2l3_func.DL_RELEASE_CNF)
   78         
   79         /* Layer 3 --> Layer 2 */       
   80         /* =================== */
   81 
   82         int     (*DL_ESTABLISH_REQ) (int);
   83         
   84         int     (*DL_RELEASE_REQ) (int);
   85 
   86         int     (*DL_DATA_REQ) (int, struct mbuf *);
   87 
   88         int     (*DL_UNIT_DATA_REQ) (int, struct mbuf *);       
   89         
   90 #define DL_Est_Req(unit)                \
   91         ((*i4b_l2l3_func.DL_ESTABLISH_REQ)(unit))
   92 #define DL_Rel_Req(unit)                \
   93         ((*i4b_l2l3_func.DL_RELEASE_REQ)(unit))
   94 #define DL_Data_Req(unit, data)         \
   95         ((*i4b_l2l3_func.DL_DATA_REQ)(unit, data))
   96 #define DL_Unit_Data_Req(unit, data)    \
   97         ((*i4b_l2l3_func.DL_UNIT_DATA_REQ)(unit, data))
   98 
   99         /* Layer 2 --> Layer 3 management */
  100         /* ============================== */
  101 
  102         int     (*MDL_STATUS_IND) (int, int, int);      /* L2 --> L3 status */
  103         
  104 #define MDL_Status_Ind(unit, status, parm)              \
  105         ((*i4b_l2l3_func.MDL_STATUS_IND)(unit, status, parm))
  106 
  107         /* Layer 3 --> Layer 2 management */
  108         /* ============================== */
  109 
  110         int     (*MDL_COMMAND_REQ) (int, int, void *);  /* L3 --> L2 command */
  111 
  112 #define MDL_Command_Req(unit, command, parm)            \
  113         ((*i4b_l2l3_func.MDL_COMMAND_REQ)(unit, command, parm))
  114 };
  115 
  116 #endif /* _I4B_L2L3_H_ */

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sys/i4b/include/i4b_l2l3.h