diff options
Diffstat (limited to 'include/linux/atm.h')
-rw-r--r-- | include/linux/atm.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/include/linux/atm.h b/include/linux/atm.h new file mode 100644 index 000000000000..60136684e0af --- /dev/null +++ b/include/linux/atm.h | |||
@@ -0,0 +1,243 @@ | |||
1 | /* atm.h - general ATM declarations */ | ||
2 | |||
3 | /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ | ||
4 | |||
5 | |||
6 | /* | ||
7 | * WARNING: User-space programs should not #include <linux/atm.h> directly. | ||
8 | * Instead, #include <atm.h> | ||
9 | */ | ||
10 | |||
11 | #ifndef _LINUX_ATM_H | ||
12 | #define _LINUX_ATM_H | ||
13 | |||
14 | /* | ||
15 | * BEGIN_xx and END_xx markers are used for automatic generation of | ||
16 | * documentation. Do not change them. | ||
17 | */ | ||
18 | |||
19 | #ifdef __KERNEL__ | ||
20 | #include <linux/socket.h> | ||
21 | #include <linux/types.h> | ||
22 | #endif | ||
23 | #include <linux/compiler.h> | ||
24 | #include <linux/atmapi.h> | ||
25 | #include <linux/atmsap.h> | ||
26 | #include <linux/atmioc.h> | ||
27 | |||
28 | |||
29 | /* general ATM constants */ | ||
30 | #define ATM_CELL_SIZE 53 /* ATM cell size incl. header */ | ||
31 | #define ATM_CELL_PAYLOAD 48 /* ATM payload size */ | ||
32 | #define ATM_AAL0_SDU 52 /* AAL0 SDU size */ | ||
33 | #define ATM_MAX_AAL34_PDU 65535 /* maximum AAL3/4 PDU payload */ | ||
34 | #define ATM_AAL5_TRAILER 8 /* AAL5 trailer size */ | ||
35 | #define ATM_MAX_AAL5_PDU 65535 /* maximum AAL5 PDU payload */ | ||
36 | #define ATM_MAX_CDV 9999 /* maximum (default) CDV */ | ||
37 | #define ATM_NOT_RSV_VCI 32 /* first non-reserved VCI value */ | ||
38 | |||
39 | #define ATM_MAX_VPI 255 /* maximum VPI at the UNI */ | ||
40 | #define ATM_MAX_VPI_NNI 4096 /* maximum VPI at the NNI */ | ||
41 | #define ATM_MAX_VCI 65535 /* maximum VCI */ | ||
42 | |||
43 | |||
44 | /* "protcol" values for the socket system call */ | ||
45 | #define ATM_NO_AAL 0 /* AAL not specified */ | ||
46 | #define ATM_AAL0 13 /* "raw" ATM cells */ | ||
47 | #define ATM_AAL1 1 /* AAL1 (CBR) */ | ||
48 | #define ATM_AAL2 2 /* AAL2 (VBR) */ | ||
49 | #define ATM_AAL34 3 /* AAL3/4 (data) */ | ||
50 | #define ATM_AAL5 5 /* AAL5 (data) */ | ||
51 | |||
52 | /* | ||
53 | * socket option name coding functions | ||
54 | * | ||
55 | * Note that __SO_ENCODE and __SO_LEVEL are somewhat a hack since the | ||
56 | * << 22 only reserves 9 bits for the level. On some architectures | ||
57 | * SOL_SOCKET is 0xFFFF, so that's a bit of a problem | ||
58 | */ | ||
59 | |||
60 | #define __SO_ENCODE(l,n,t) ((((l) & 0x1FF) << 22) | ((n) << 16) | \ | ||
61 | sizeof(t)) | ||
62 | #define __SO_LEVEL_MATCH(c,m) (((c) >> 22) == ((m) & 0x1FF)) | ||
63 | #define __SO_NUMBER(c) (((c) >> 16) & 0x3f) | ||
64 | #define __SO_SIZE(c) ((c) & 0x3fff) | ||
65 | |||
66 | /* | ||
67 | * ATM layer | ||
68 | */ | ||
69 | |||
70 | #define SO_SETCLP __SO_ENCODE(SOL_ATM,0,int) | ||
71 | /* set CLP bit value - TODO */ | ||
72 | #define SO_CIRANGE __SO_ENCODE(SOL_ATM,1,struct atm_cirange) | ||
73 | /* connection identifier range; socket must be | ||
74 | bound or connected */ | ||
75 | #define SO_ATMQOS __SO_ENCODE(SOL_ATM,2,struct atm_qos) | ||
76 | /* Quality of Service setting */ | ||
77 | #define SO_ATMSAP __SO_ENCODE(SOL_ATM,3,struct atm_sap) | ||
78 | /* Service Access Point */ | ||
79 | #define SO_ATMPVC __SO_ENCODE(SOL_ATM,4,struct sockaddr_atmpvc) | ||
80 | /* "PVC" address (also for SVCs); get only */ | ||
81 | #define SO_MULTIPOINT __SO_ENCODE(SOL_ATM, 5, int) | ||
82 | /* make this vc a p2mp */ | ||
83 | |||
84 | |||
85 | /* | ||
86 | * Note @@@: since the socket layers don't really distinguish the control and | ||
87 | * the data plane but generally seems to be data plane-centric, any layer is | ||
88 | * about equally wrong for the SAP. If you have a better idea about this, | ||
89 | * please speak up ... | ||
90 | */ | ||
91 | |||
92 | |||
93 | /* ATM cell header (for AAL0) */ | ||
94 | |||
95 | /* BEGIN_CH */ | ||
96 | #define ATM_HDR_GFC_MASK 0xf0000000 | ||
97 | #define ATM_HDR_GFC_SHIFT 28 | ||
98 | #define ATM_HDR_VPI_MASK 0x0ff00000 | ||
99 | #define ATM_HDR_VPI_SHIFT 20 | ||
100 | #define ATM_HDR_VCI_MASK 0x000ffff0 | ||
101 | #define ATM_HDR_VCI_SHIFT 4 | ||
102 | #define ATM_HDR_PTI_MASK 0x0000000e | ||
103 | #define ATM_HDR_PTI_SHIFT 1 | ||
104 | #define ATM_HDR_CLP 0x00000001 | ||
105 | /* END_CH */ | ||
106 | |||
107 | |||
108 | /* PTI codings */ | ||
109 | |||
110 | /* BEGIN_PTI */ | ||
111 | #define ATM_PTI_US0 0 /* user data cell, congestion not exp, SDU-type 0 */ | ||
112 | #define ATM_PTI_US1 1 /* user data cell, congestion not exp, SDU-type 1 */ | ||
113 | #define ATM_PTI_UCES0 2 /* user data cell, cong. experienced, SDU-type 0 */ | ||
114 | #define ATM_PTI_UCES1 3 /* user data cell, cong. experienced, SDU-type 1 */ | ||
115 | #define ATM_PTI_SEGF5 4 /* segment OAM F5 flow related cell */ | ||
116 | #define ATM_PTI_E2EF5 5 /* end-to-end OAM F5 flow related cell */ | ||
117 | #define ATM_PTI_RSV_RM 6 /* reserved for traffic control/resource mgmt */ | ||
118 | #define ATM_PTI_RSV 7 /* reserved */ | ||
119 | /* END_PTI */ | ||
120 | |||
121 | |||
122 | /* | ||
123 | * The following items should stay in linux/atm.h, which should be linked to | ||
124 | * netatm/atm.h | ||
125 | */ | ||
126 | |||
127 | /* Traffic description */ | ||
128 | |||
129 | #define ATM_NONE 0 /* no traffic */ | ||
130 | #define ATM_UBR 1 | ||
131 | #define ATM_CBR 2 | ||
132 | #define ATM_VBR 3 | ||
133 | #define ATM_ABR 4 | ||
134 | #define ATM_ANYCLASS 5 /* compatible with everything */ | ||
135 | |||
136 | #define ATM_MAX_PCR -1 /* maximum available PCR */ | ||
137 | |||
138 | struct atm_trafprm { | ||
139 | unsigned char traffic_class; /* traffic class (ATM_UBR, ...) */ | ||
140 | int max_pcr; /* maximum PCR in cells per second */ | ||
141 | int pcr; /* desired PCR in cells per second */ | ||
142 | int min_pcr; /* minimum PCR in cells per second */ | ||
143 | int max_cdv; /* maximum CDV in microseconds */ | ||
144 | int max_sdu; /* maximum SDU in bytes */ | ||
145 | /* extra params for ABR */ | ||
146 | unsigned int icr; /* Initial Cell Rate (24-bit) */ | ||
147 | unsigned int tbe; /* Transient Buffer Exposure (24-bit) */ | ||
148 | unsigned int frtt : 24; /* Fixed Round Trip Time (24-bit) */ | ||
149 | unsigned int rif : 4; /* Rate Increment Factor (4-bit) */ | ||
150 | unsigned int rdf : 4; /* Rate Decrease Factor (4-bit) */ | ||
151 | unsigned int nrm_pres :1; /* nrm present bit */ | ||
152 | unsigned int trm_pres :1; /* rm present bit */ | ||
153 | unsigned int adtf_pres :1; /* adtf present bit */ | ||
154 | unsigned int cdf_pres :1; /* cdf present bit*/ | ||
155 | unsigned int nrm :3; /* Max # of Cells for each forward RM cell (3-bit) */ | ||
156 | unsigned int trm :3; /* Time between forward RM cells (3-bit) */ | ||
157 | unsigned int adtf :10; /* ACR Decrease Time Factor (10-bit) */ | ||
158 | unsigned int cdf :3; /* Cutoff Decrease Factor (3-bit) */ | ||
159 | unsigned int spare :9; /* spare bits */ | ||
160 | }; | ||
161 | |||
162 | struct atm_qos { | ||
163 | struct atm_trafprm txtp; /* parameters in TX direction */ | ||
164 | struct atm_trafprm rxtp __ATM_API_ALIGN; | ||
165 | /* parameters in RX direction */ | ||
166 | unsigned char aal __ATM_API_ALIGN; | ||
167 | }; | ||
168 | |||
169 | /* PVC addressing */ | ||
170 | |||
171 | #define ATM_ITF_ANY -1 /* "magic" PVC address values */ | ||
172 | #define ATM_VPI_ANY -1 | ||
173 | #define ATM_VCI_ANY -1 | ||
174 | #define ATM_VPI_UNSPEC -2 | ||
175 | #define ATM_VCI_UNSPEC -2 | ||
176 | |||
177 | |||
178 | struct sockaddr_atmpvc { | ||
179 | unsigned short sap_family; /* address family, AF_ATMPVC */ | ||
180 | struct { /* PVC address */ | ||
181 | short itf; /* ATM interface */ | ||
182 | short vpi; /* VPI (only 8 bits at UNI) */ | ||
183 | int vci; /* VCI (only 16 bits at UNI) */ | ||
184 | } sap_addr __ATM_API_ALIGN; /* PVC address */ | ||
185 | }; | ||
186 | |||
187 | /* SVC addressing */ | ||
188 | |||
189 | #define ATM_ESA_LEN 20 /* ATM End System Address length */ | ||
190 | #define ATM_E164_LEN 12 /* maximum E.164 number length */ | ||
191 | |||
192 | #define ATM_AFI_DCC 0x39 /* DCC ATM Format */ | ||
193 | #define ATM_AFI_ICD 0x47 /* ICD ATM Format */ | ||
194 | #define ATM_AFI_E164 0x45 /* E.164 ATM Format */ | ||
195 | #define ATM_AFI_LOCAL 0x49 /* Local ATM Format */ | ||
196 | |||
197 | #define ATM_AFI_DCC_GROUP 0xBD /* DCC ATM Group Format */ | ||
198 | #define ATM_AFI_ICD_GROUP 0xC5 /* ICD ATM Group Format */ | ||
199 | #define ATM_AFI_E164_GROUP 0xC3 /* E.164 ATM Group Format */ | ||
200 | #define ATM_AFI_LOCAL_GROUP 0xC7 /* Local ATM Group Format */ | ||
201 | |||
202 | #define ATM_LIJ_NONE 0 /* no leaf-initiated join */ | ||
203 | #define ATM_LIJ 1 /* request joining */ | ||
204 | #define ATM_LIJ_RPJ 2 /* set to root-prompted join */ | ||
205 | #define ATM_LIJ_NJ 3 /* set to network join */ | ||
206 | |||
207 | |||
208 | struct sockaddr_atmsvc { | ||
209 | unsigned short sas_family; /* address family, AF_ATMSVC */ | ||
210 | struct { /* SVC address */ | ||
211 | unsigned char prv[ATM_ESA_LEN];/* private ATM address */ | ||
212 | char pub[ATM_E164_LEN+1]; /* public address (E.164) */ | ||
213 | /* unused addresses must be bzero'ed */ | ||
214 | char lij_type; /* role in LIJ call; one of ATM_LIJ* */ | ||
215 | uint32_t lij_id; /* LIJ call identifier */ | ||
216 | } sas_addr __ATM_API_ALIGN; /* SVC address */ | ||
217 | }; | ||
218 | |||
219 | |||
220 | static __inline__ int atmsvc_addr_in_use(struct sockaddr_atmsvc addr) | ||
221 | { | ||
222 | return *addr.sas_addr.prv || *addr.sas_addr.pub; | ||
223 | } | ||
224 | |||
225 | |||
226 | static __inline__ int atmpvc_addr_in_use(struct sockaddr_atmpvc addr) | ||
227 | { | ||
228 | return addr.sap_addr.itf || addr.sap_addr.vpi || addr.sap_addr.vci; | ||
229 | } | ||
230 | |||
231 | |||
232 | /* | ||
233 | * Some stuff for linux/sockios.h | ||
234 | */ | ||
235 | |||
236 | struct atmif_sioc { | ||
237 | int number; | ||
238 | int length; | ||
239 | void __user *arg; | ||
240 | }; | ||
241 | |||
242 | typedef unsigned short atm_backend_t; | ||
243 | #endif | ||