1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1
2 /* atm.h - general ATM declarations */
3
4 /* Written 1995-2000 by Werner Almesberger, EP
5
6
7 /*
8 * WARNING: User-space programs should not #in
9 * Instead, #include <atm.h>
10 */
11
12 #ifndef _UAPI_LINUX_ATM_H
13 #define _UAPI_LINUX_ATM_H
14
15 /*
16 * BEGIN_xx and END_xx markers are used for au
17 * documentation. Do not change them.
18 */
19
20 #include <linux/compiler.h>
21 #include <linux/atmapi.h>
22 #include <linux/atmsap.h>
23 #include <linux/atmioc.h>
24 #include <linux/types.h>
25
26
27 /* general ATM constants */
28 #define ATM_CELL_SIZE 53 /* ATM
29 #define ATM_CELL_PAYLOAD 48 /* ATM
30 #define ATM_AAL0_SDU 52 /* AAL
31 #define ATM_MAX_AAL34_PDU 65535 /* max
32 #define ATM_AAL5_TRAILER 8 /* AAL
33 #define ATM_MAX_AAL5_PDU 65535 /* max
34 #define ATM_MAX_CDV 9999 /* max
35 #define ATM_NOT_RSV_VCI 32 /* fir
36
37 #define ATM_MAX_VPI 255 /* max
38 #define ATM_MAX_VPI_NNI 4096 /* max
39 #define ATM_MAX_VCI 65535 /* max
40
41
42 /* "protcol" values for the socket system call
43 #define ATM_NO_AAL 0 /* AAL
44 #define ATM_AAL0 13 /* "ra
45 #define ATM_AAL1 1 /* AAL
46 #define ATM_AAL2 2 /* AAL
47 #define ATM_AAL34 3 /* AAL
48 #define ATM_AAL5 5 /* AAL
49
50 /*
51 * socket option name coding functions
52 *
53 * Note that __SO_ENCODE and __SO_LEVEL are so
54 * << 22 only reserves 9 bits for the level.
55 * SOL_SOCKET is 0xFFFF, so that's a bit of a
56 */
57
58 #define __SO_ENCODE(l,n,t) ((((l) & 0x1FF
59 sizeof(t))
60 #define __SO_LEVEL_MATCH(c,m) (((c) >> 22) =
61 #define __SO_NUMBER(c) (((c) >> 16) &
62 #define __SO_SIZE(c) ((c) & 0x3fff)
63
64 /*
65 * ATM layer
66 */
67
68 #define SO_SETCLP __SO_ENCODE(SOL_ATM,0,
69 /* set CLP bit val
70 #define SO_CIRANGE __SO_ENCODE(SOL_ATM,1,
71 /* connection iden
72 bound or connec
73 #define SO_ATMQOS __SO_ENCODE(SOL_ATM,2,
74 /* Quality of Serv
75 #define SO_ATMSAP __SO_ENCODE(SOL_ATM,3,
76 /* Service Access
77 #define SO_ATMPVC __SO_ENCODE(SOL_ATM,4,
78 /* "PVC" address (
79 #define SO_MULTIPOINT __SO_ENCODE(SOL_ATM, 5
80 /* make this vc a
81
82
83 /*
84 * Note @@@: since the socket layers don't rea
85 * the data plane but generally seems to be da
86 * about equally wrong for the SAP. If you hav
87 * please speak up ...
88 */
89
90
91 /* ATM cell header (for AAL0) */
92
93 /* BEGIN_CH */
94 #define ATM_HDR_GFC_MASK 0xf0000000
95 #define ATM_HDR_GFC_SHIFT 28
96 #define ATM_HDR_VPI_MASK 0x0ff00000
97 #define ATM_HDR_VPI_SHIFT 20
98 #define ATM_HDR_VCI_MASK 0x000ffff0
99 #define ATM_HDR_VCI_SHIFT 4
100 #define ATM_HDR_PTI_MASK 0x0000000e
101 #define ATM_HDR_PTI_SHIFT 1
102 #define ATM_HDR_CLP 0x00000001
103 /* END_CH */
104
105
106 /* PTI codings */
107
108 /* BEGIN_PTI */
109 #define ATM_PTI_US0 0 /* user data cell,
110 #define ATM_PTI_US1 1 /* user data cell,
111 #define ATM_PTI_UCES0 2 /* user data cell,
112 #define ATM_PTI_UCES1 3 /* user data cell,
113 #define ATM_PTI_SEGF5 4 /* segment OAM F5 f
114 #define ATM_PTI_E2EF5 5 /* end-to-end OAM F
115 #define ATM_PTI_RSV_RM 6 /* reserved for tra
116 #define ATM_PTI_RSV 7 /* reserved */
117 /* END_PTI */
118
119
120 /*
121 * The following items should stay in linux/at
122 * netatm/atm.h
123 */
124
125 /* Traffic description */
126
127 #define ATM_NONE 0 /* no
128 #define ATM_UBR 1
129 #define ATM_CBR 2
130 #define ATM_VBR 3
131 #define ATM_ABR 4
132 #define ATM_ANYCLASS 5 /* com
133
134 #define ATM_MAX_PCR -1 /* max
135
136 struct atm_trafprm {
137 unsigned char traffic_class; /* tra
138 int max_pcr; /* max
139 int pcr; /* des
140 int min_pcr; /* min
141 int max_cdv; /* max
142 int max_sdu; /* max
143 /* extra params for ABR */
144 unsigned int icr; /* Ini
145 unsigned int tbe; /* Tra
146 unsigned int frtt : 24; /* Fix
147 unsigned int rif : 4; /* Rat
148 unsigned int rdf : 4; /* Rat
149 unsigned int nrm_pres :1; /* nrm
150 unsigned int trm_pres :1; /* rm
151 unsigned int adtf_pres :1; /* adt
152 unsigned int cdf_pres :1; /* cdf
153 unsigned int nrm :3; /* Max
154 unsigned int trm :3; /* Tim
155 unsigned int adtf :10; /* ACR
156 unsigned int cdf :3; /* Cut
157 unsigned int spare :9; /* spa
158 };
159
160 struct atm_qos {
161 struct atm_trafprm txtp; /* par
162 struct atm_trafprm rxtp __ATM_API_ALIG
163 /* par
164 unsigned char aal __ATM_API_ALIGN;
165 };
166
167 /* PVC addressing */
168
169 #define ATM_ITF_ANY -1 /* "ma
170 #define ATM_VPI_ANY -1
171 #define ATM_VCI_ANY -1
172 #define ATM_VPI_UNSPEC -2
173 #define ATM_VCI_UNSPEC -2
174
175
176 struct sockaddr_atmpvc {
177 unsigned short sap_family; /* add
178 struct { /* PVC
179 short itf; /* ATM
180 short vpi; /* VPI
181 int vci; /* VCI
182 } sap_addr __ATM_API_ALIGN; /* PVC
183 };
184
185 /* SVC addressing */
186
187 #define ATM_ESA_LEN 20 /* ATM
188 #define ATM_E164_LEN 12 /* max
189
190 #define ATM_AFI_DCC 0x39 /* DCC
191 #define ATM_AFI_ICD 0x47 /* ICD
192 #define ATM_AFI_E164 0x45 /* E.1
193 #define ATM_AFI_LOCAL 0x49 /* Loc
194
195 #define ATM_AFI_DCC_GROUP 0xBD /* DCC
196 #define ATM_AFI_ICD_GROUP 0xC5 /* ICD
197 #define ATM_AFI_E164_GROUP 0xC3 /* E.1
198 #define ATM_AFI_LOCAL_GROUP 0xC7 /* Loc
199
200 #define ATM_LIJ_NONE 0 /* no
201 #define ATM_LIJ 1 /* req
202 #define ATM_LIJ_RPJ 2 /* set
203 #define ATM_LIJ_NJ 3 /* set
204
205
206 struct sockaddr_atmsvc {
207 unsigned short sas_family; /* add
208 struct { /* SVC
209 unsigned char prv[ATM_ESA_LEN];/* pr
210 char pub[ATM_E164_LEN+1]; /
211 /* unu
212 char lij_type; /* rol
213 __u32 lij_id; /* LIJ call id
214 } sas_addr __ATM_API_ALIGN; /* SVC
215 };
216
217
218 static __inline__ int atmsvc_addr_in_use(struc
219 {
220 return *addr.sas_addr.prv || *addr.sas
221 }
222
223
224 static __inline__ int atmpvc_addr_in_use(struc
225 {
226 return addr.sap_addr.itf || addr.sap_a
227 }
228
229
230 /*
231 * Some stuff for linux/sockios.h
232 */
233
234 struct atmif_sioc {
235 int number;
236 int length;
237 void __user *arg;
238 };
239
240
241 typedef unsigned short atm_backend_t;
242 #endif /* _UAPI_LINUX_ATM_H */
243
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