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 * $FreeBSD$
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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