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_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  *      i4b_l2l3.h - i4b layer 2 / layer 3 interactions
   28  *      -----------------------------------------------
   29  *
   30  * $FreeBSD: releng/5.1/sys/i4b/include/i4b_l2l3.h 92487 2002-03-17 09:33:15Z hm $
   31  *
   32  *      last edit-date: [Sat Mar  9 15:55:16 2002]
   33  *
   34  *---------------------------------------------------------------------------*/
   35 
   36 #ifndef _I4B_L2L3_H_
   37 #define _I4B_L2L3_H_
   38 
   39 extern struct i4b_l2l3_func i4b_l2l3_func;
   40 
   41 struct i4b_l2l3_func
   42 {
   43         /* Layer 2 --> Layer 3 */
   44         /* =================== */
   45 
   46         int     (*DL_ESTABLISH_IND) (int);
   47         int     (*DL_ESTABLISH_CNF) (int);
   48         
   49         int     (*DL_RELEASE_IND) (int);
   50         int     (*DL_RELEASE_CNF) (int);
   51 
   52         int     (*DL_DATA_IND) (int, struct mbuf *);
   53 
   54         int     (*DL_UNIT_DATA_IND) (int, struct mbuf *);       
   55         
   56 #define DL_Est_Ind(unit)                \
   57         ((*i4b_l2l3_func.DL_ESTABLISH_IND)(unit))
   58 #define DL_Est_Cnf(unit)                \
   59         ((*i4b_l2l3_func.DL_ESTABLISH_CNF)(unit))
   60 #define DL_Rel_Ind(unit)                \
   61         ((*i4b_l2l3_func.DL_RELEASE_IND)(unit))
   62 #define DL_Rel_Cnf(unit)                \
   63         ((*i4b_l2l3_func.DL_RELEASE_CNF)(unit))
   64 #define DL_Data_Ind(unit, data)         \
   65         ((*i4b_l2l3_func.DL_DATA_IND)(unit, data))
   66 #define DL_Unit_Data_Ind(unit, data)    \
   67         ((*i4b_l2l3_func.DL_UNIT_DATA_IND)(unit, data))
   68         
   69 #define DL_Est_Ind_A                    \
   70         (i4b_l2l3_func.DL_ESTABLISH_IND)
   71 #define DL_Est_Cnf_A                    \
   72         (i4b_l2l3_func.DL_ESTABLISH_CNF)
   73 #define DL_Rel_Ind_A                    \
   74         (i4b_l2l3_func.DL_RELEASE_IND)
   75 #define DL_Rel_Cnf_A                    \
   76         (i4b_l2l3_func.DL_RELEASE_CNF)
   77         
   78         /* Layer 3 --> Layer 2 */       
   79         /* =================== */
   80 
   81         int     (*DL_ESTABLISH_REQ) (int);
   82         
   83         int     (*DL_RELEASE_REQ) (int);
   84 
   85         int     (*DL_DATA_REQ) (int, struct mbuf *);
   86 
   87         int     (*DL_UNIT_DATA_REQ) (int, struct mbuf *);       
   88         
   89 #define DL_Est_Req(unit)                \
   90         ((*i4b_l2l3_func.DL_ESTABLISH_REQ)(unit))
   91 #define DL_Rel_Req(unit)                \
   92         ((*i4b_l2l3_func.DL_RELEASE_REQ)(unit))
   93 #define DL_Data_Req(unit, data)         \
   94         ((*i4b_l2l3_func.DL_DATA_REQ)(unit, data))
   95 #define DL_Unit_Data_Req(unit, data)    \
   96         ((*i4b_l2l3_func.DL_UNIT_DATA_REQ)(unit, data))
   97 
   98         /* Layer 2 --> Layer 3 management */
   99         /* ============================== */
  100 
  101         int     (*MDL_STATUS_IND) (int, int, int);      /* L2 --> L3 status */
  102         
  103 #define MDL_Status_Ind(unit, status, parm)              \
  104         ((*i4b_l2l3_func.MDL_STATUS_IND)(unit, status, parm))
  105 
  106         /* Layer 3 --> Layer 2 management */
  107         /* ============================== */
  108 
  109         int     (*MDL_COMMAND_REQ) (int, int, void *);  /* L3 --> L2 command */
  110 
  111 #define MDL_Command_Req(unit, command, parm)            \
  112         ((*i4b_l2l3_func.MDL_COMMAND_REQ)(unit, command, parm))
  113 };
  114 
  115 #endif /* _I4B_L2L3_H_ */

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