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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