1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1
2 /* atmsap.h - ATM Service Access Point address
3
4 /* Written 1995-1999 by Werner Almesberger, EP
5
6
7 #ifndef _LINUX_ATMSAP_H
8 #define _LINUX_ATMSAP_H
9
10 #include <linux/atmapi.h>
11
12 /*
13 * BEGIN_xx and END_xx markers are used for au
14 * documentation. Do not change them.
15 */
16
17
18 /*
19 * Layer 2 protocol identifiers
20 */
21
22 /* BEGIN_L2 */
23 #define ATM_L2_NONE 0 /* L2 not spec
24 #define ATM_L2_ISO1745 0x01 /* Basic mode
25 #define ATM_L2_Q291 0x02 /* ITU-T Q.291
26 #define ATM_L2_X25_LL 0x06 /* ITU-T X.25,
27 #define ATM_L2_X25_ML 0x07 /* ITU-T X.25,
28 #define ATM_L2_LAPB 0x08 /* Extended LA
29 #define ATM_L2_HDLC_ARM 0x09 /* HDLC ARM (I
30 #define ATM_L2_HDLC_NRM 0x0a /* HDLC NRM (I
31 #define ATM_L2_HDLC_ABM 0x0b /* HDLC ABM (I
32 #define ATM_L2_ISO8802 0x0c /* LAN LLC (IS
33 #define ATM_L2_X75 0x0d /* ITU-T X.75,
34 #define ATM_L2_Q922 0x0e /* ITU-T Q.922
35 #define ATM_L2_USER 0x10 /* user-specif
36 #define ATM_L2_ISO7776 0x11 /* ISO 7776 DT
37 /* END_L2 */
38
39
40 /*
41 * Layer 3 protocol identifiers
42 */
43
44 /* BEGIN_L3 */
45 #define ATM_L3_NONE 0 /* L3 not spec
46 #define ATM_L3_X25 0x06 /* ITU-T X.25,
47 #define ATM_L3_ISO8208 0x07 /* ISO/IEC 820
48 #define ATM_L3_X223 0x08 /* ITU-T X.223
49 #define ATM_L3_ISO8473 0x09 /* ITU-T X.233
50 #define ATM_L3_T70 0x0a /* ITU-T T.70
51 #define ATM_L3_TR9577 0x0b /* ISO/IEC TR
52 #define ATM_L3_H310 0x0c /* ITU-T Recom
53 #define ATM_L3_H321 0x0d /* ITU-T Recom
54 #define ATM_L3_USER 0x10 /* user-specif
55 /* END_L3 */
56
57
58 /*
59 * High layer identifiers
60 */
61
62 /* BEGIN_HL */
63 #define ATM_HL_NONE 0 /* HL not spec
64 #define ATM_HL_ISO 0x01 /* ISO */
65 #define ATM_HL_USER 0x02 /* user-specif
66 #define ATM_HL_HLP 0x03 /* high layer
67 #define ATM_HL_VENDOR 0x04 /* vendor-spec
68 /* END_HL */
69
70
71 /*
72 * ITU-T coded mode of operation
73 */
74
75 /* BEGIN_IMD */
76 #define ATM_IMD_NONE 0 /* mode not sp
77 #define ATM_IMD_NORMAL 1 /* normal mode
78 #define ATM_IMD_EXTENDED 2 /* extended mo
79 /* END_IMD */
80
81 /*
82 * H.310 code points
83 */
84
85 #define ATM_TT_NONE 0 /* terminal ty
86 #define ATM_TT_RX 1 /* receive onl
87 #define ATM_TT_TX 2 /* send only *
88 #define ATM_TT_RXTX 3 /* receive and
89
90 #define ATM_MC_NONE 0 /* no multiple
91 #define ATM_MC_TS 1 /* transport s
92 #define ATM_MC_TS_FEC 2 /* transport s
93 #define ATM_MC_PS 3 /* program str
94 #define ATM_MC_PS_FEC 4 /* program str
95 #define ATM_MC_H221 5 /* ITU-T Rec.
96
97 /*
98 * SAP structures
99 */
100
101 #define ATM_MAX_HLI 8 /* maximum hig
102
103
104 struct atm_blli {
105 unsigned char l2_proto; /* layer 2 pro
106 union {
107 struct {
108 unsigned char mode; /* mode of ope
109 /* absent */
110 unsigned char window; /* window si
111 } itu; /* ITU-T encod
112 unsigned char user; /* user-specif
113 } l2;
114 unsigned char l3_proto; /* layer 3 pro
115 union {
116 struct {
117 unsigned char mode; /* mode of ope
118 /* absent */
119 unsigned char def_size; /* default
120 /* omit) *
121 unsigned char window;/* packet win
122 } itu; /* ITU-T encod
123 unsigned char user; /* user specif
124 struct { /* if l3
125 unsigned char term_type; /* termi
126 unsigned char fw_mpx_cap; /* forwa
127 /* only
128 unsigned char bw_mpx_cap; /* backw
129 /* only
130 } h310;
131 struct { /* if l3_pro
132 unsigned char ipi; /* initial p
133 unsigned char snap[5];/* IEEE 802.
134 /* (only if
135 } tr9577;
136 } l3;
137 } __ATM_API_ALIGN;
138
139
140 struct atm_bhli {
141 unsigned char hl_type; /* high layer
142 unsigned char hl_length; /* length (onl
143 /* hl_type ==
144 unsigned char hl_info[ATM_MAX_HLI];/* high
145 };
146
147
148 #define ATM_MAX_BLLI 3 /* max
149
150
151 struct atm_sap {
152 struct atm_bhli bhli; /* loc
153 struct atm_blli blli[ATM_MAX_BLLI] __A
154 /* loc
155 };
156
157
158 static __inline__ int blli_in_use(struct atm_b
159 {
160 return blli.l2_proto || blli.l3_proto;
161 }
162
163 #endif
164
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.