aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/atm.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/atm.h')
-rw-r--r--include/linux/atm.h238
1 files changed, 1 insertions, 237 deletions
diff --git a/include/linux/atm.h b/include/linux/atm.h
index d3b292174aeb..30006c435951 100644
--- a/include/linux/atm.h
+++ b/include/linux/atm.h
@@ -1,242 +1,9 @@
1/* atm.h - general ATM declarations */ 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 2#ifndef _LINUX_ATM_H
12#define _LINUX_ATM_H 3#define _LINUX_ATM_H
13 4
14/* 5#include <uapi/linux/atm.h>
15 * BEGIN_xx and END_xx markers are used for automatic generation of
16 * documentation. Do not change them.
17 */
18
19#include <linux/compiler.h>
20#include <linux/atmapi.h>
21#include <linux/atmsap.h>
22#include <linux/atmioc.h>
23#include <linux/types.h>
24
25
26/* general ATM constants */
27#define ATM_CELL_SIZE 53 /* ATM cell size incl. header */
28#define ATM_CELL_PAYLOAD 48 /* ATM payload size */
29#define ATM_AAL0_SDU 52 /* AAL0 SDU size */
30#define ATM_MAX_AAL34_PDU 65535 /* maximum AAL3/4 PDU payload */
31#define ATM_AAL5_TRAILER 8 /* AAL5 trailer size */
32#define ATM_MAX_AAL5_PDU 65535 /* maximum AAL5 PDU payload */
33#define ATM_MAX_CDV 9999 /* maximum (default) CDV */
34#define ATM_NOT_RSV_VCI 32 /* first non-reserved VCI value */
35
36#define ATM_MAX_VPI 255 /* maximum VPI at the UNI */
37#define ATM_MAX_VPI_NNI 4096 /* maximum VPI at the NNI */
38#define ATM_MAX_VCI 65535 /* maximum VCI */
39
40
41/* "protcol" values for the socket system call */
42#define ATM_NO_AAL 0 /* AAL not specified */
43#define ATM_AAL0 13 /* "raw" ATM cells */
44#define ATM_AAL1 1 /* AAL1 (CBR) */
45#define ATM_AAL2 2 /* AAL2 (VBR) */
46#define ATM_AAL34 3 /* AAL3/4 (data) */
47#define ATM_AAL5 5 /* AAL5 (data) */
48
49/*
50 * socket option name coding functions
51 *
52 * Note that __SO_ENCODE and __SO_LEVEL are somewhat a hack since the
53 * << 22 only reserves 9 bits for the level. On some architectures
54 * SOL_SOCKET is 0xFFFF, so that's a bit of a problem
55 */
56
57#define __SO_ENCODE(l,n,t) ((((l) & 0x1FF) << 22) | ((n) << 16) | \
58 sizeof(t))
59#define __SO_LEVEL_MATCH(c,m) (((c) >> 22) == ((m) & 0x1FF))
60#define __SO_NUMBER(c) (((c) >> 16) & 0x3f)
61#define __SO_SIZE(c) ((c) & 0x3fff)
62
63/*
64 * ATM layer
65 */
66
67#define SO_SETCLP __SO_ENCODE(SOL_ATM,0,int)
68 /* set CLP bit value - TODO */
69#define SO_CIRANGE __SO_ENCODE(SOL_ATM,1,struct atm_cirange)
70 /* connection identifier range; socket must be
71 bound or connected */
72#define SO_ATMQOS __SO_ENCODE(SOL_ATM,2,struct atm_qos)
73 /* Quality of Service setting */
74#define SO_ATMSAP __SO_ENCODE(SOL_ATM,3,struct atm_sap)
75 /* Service Access Point */
76#define SO_ATMPVC __SO_ENCODE(SOL_ATM,4,struct sockaddr_atmpvc)
77 /* "PVC" address (also for SVCs); get only */
78#define SO_MULTIPOINT __SO_ENCODE(SOL_ATM, 5, int)
79 /* make this vc a p2mp */
80
81
82/*
83 * Note @@@: since the socket layers don't really distinguish the control and
84 * the data plane but generally seems to be data plane-centric, any layer is
85 * about equally wrong for the SAP. If you have a better idea about this,
86 * please speak up ...
87 */
88
89
90/* ATM cell header (for AAL0) */
91
92/* BEGIN_CH */
93#define ATM_HDR_GFC_MASK 0xf0000000
94#define ATM_HDR_GFC_SHIFT 28
95#define ATM_HDR_VPI_MASK 0x0ff00000
96#define ATM_HDR_VPI_SHIFT 20
97#define ATM_HDR_VCI_MASK 0x000ffff0
98#define ATM_HDR_VCI_SHIFT 4
99#define ATM_HDR_PTI_MASK 0x0000000e
100#define ATM_HDR_PTI_SHIFT 1
101#define ATM_HDR_CLP 0x00000001
102/* END_CH */
103
104
105/* PTI codings */
106
107/* BEGIN_PTI */
108#define ATM_PTI_US0 0 /* user data cell, congestion not exp, SDU-type 0 */
109#define ATM_PTI_US1 1 /* user data cell, congestion not exp, SDU-type 1 */
110#define ATM_PTI_UCES0 2 /* user data cell, cong. experienced, SDU-type 0 */
111#define ATM_PTI_UCES1 3 /* user data cell, cong. experienced, SDU-type 1 */
112#define ATM_PTI_SEGF5 4 /* segment OAM F5 flow related cell */
113#define ATM_PTI_E2EF5 5 /* end-to-end OAM F5 flow related cell */
114#define ATM_PTI_RSV_RM 6 /* reserved for traffic control/resource mgmt */
115#define ATM_PTI_RSV 7 /* reserved */
116/* END_PTI */
117
118
119/*
120 * The following items should stay in linux/atm.h, which should be linked to
121 * netatm/atm.h
122 */
123
124/* Traffic description */
125
126#define ATM_NONE 0 /* no traffic */
127#define ATM_UBR 1
128#define ATM_CBR 2
129#define ATM_VBR 3
130#define ATM_ABR 4
131#define ATM_ANYCLASS 5 /* compatible with everything */
132
133#define ATM_MAX_PCR -1 /* maximum available PCR */
134
135struct atm_trafprm {
136 unsigned char traffic_class; /* traffic class (ATM_UBR, ...) */
137 int max_pcr; /* maximum PCR in cells per second */
138 int pcr; /* desired PCR in cells per second */
139 int min_pcr; /* minimum PCR in cells per second */
140 int max_cdv; /* maximum CDV in microseconds */
141 int max_sdu; /* maximum SDU in bytes */
142 /* extra params for ABR */
143 unsigned int icr; /* Initial Cell Rate (24-bit) */
144 unsigned int tbe; /* Transient Buffer Exposure (24-bit) */
145 unsigned int frtt : 24; /* Fixed Round Trip Time (24-bit) */
146 unsigned int rif : 4; /* Rate Increment Factor (4-bit) */
147 unsigned int rdf : 4; /* Rate Decrease Factor (4-bit) */
148 unsigned int nrm_pres :1; /* nrm present bit */
149 unsigned int trm_pres :1; /* rm present bit */
150 unsigned int adtf_pres :1; /* adtf present bit */
151 unsigned int cdf_pres :1; /* cdf present bit*/
152 unsigned int nrm :3; /* Max # of Cells for each forward RM cell (3-bit) */
153 unsigned int trm :3; /* Time between forward RM cells (3-bit) */
154 unsigned int adtf :10; /* ACR Decrease Time Factor (10-bit) */
155 unsigned int cdf :3; /* Cutoff Decrease Factor (3-bit) */
156 unsigned int spare :9; /* spare bits */
157};
158
159struct atm_qos {
160 struct atm_trafprm txtp; /* parameters in TX direction */
161 struct atm_trafprm rxtp __ATM_API_ALIGN;
162 /* parameters in RX direction */
163 unsigned char aal __ATM_API_ALIGN;
164};
165
166/* PVC addressing */
167
168#define ATM_ITF_ANY -1 /* "magic" PVC address values */
169#define ATM_VPI_ANY -1
170#define ATM_VCI_ANY -1
171#define ATM_VPI_UNSPEC -2
172#define ATM_VCI_UNSPEC -2
173
174
175struct sockaddr_atmpvc {
176 unsigned short sap_family; /* address family, AF_ATMPVC */
177 struct { /* PVC address */
178 short itf; /* ATM interface */
179 short vpi; /* VPI (only 8 bits at UNI) */
180 int vci; /* VCI (only 16 bits at UNI) */
181 } sap_addr __ATM_API_ALIGN; /* PVC address */
182};
183
184/* SVC addressing */
185
186#define ATM_ESA_LEN 20 /* ATM End System Address length */
187#define ATM_E164_LEN 12 /* maximum E.164 number length */
188
189#define ATM_AFI_DCC 0x39 /* DCC ATM Format */
190#define ATM_AFI_ICD 0x47 /* ICD ATM Format */
191#define ATM_AFI_E164 0x45 /* E.164 ATM Format */
192#define ATM_AFI_LOCAL 0x49 /* Local ATM Format */
193
194#define ATM_AFI_DCC_GROUP 0xBD /* DCC ATM Group Format */
195#define ATM_AFI_ICD_GROUP 0xC5 /* ICD ATM Group Format */
196#define ATM_AFI_E164_GROUP 0xC3 /* E.164 ATM Group Format */
197#define ATM_AFI_LOCAL_GROUP 0xC7 /* Local ATM Group Format */
198 6
199#define ATM_LIJ_NONE 0 /* no leaf-initiated join */
200#define ATM_LIJ 1 /* request joining */
201#define ATM_LIJ_RPJ 2 /* set to root-prompted join */
202#define ATM_LIJ_NJ 3 /* set to network join */
203
204
205struct sockaddr_atmsvc {
206 unsigned short sas_family; /* address family, AF_ATMSVC */
207 struct { /* SVC address */
208 unsigned char prv[ATM_ESA_LEN];/* private ATM address */
209 char pub[ATM_E164_LEN+1]; /* public address (E.164) */
210 /* unused addresses must be bzero'ed */
211 char lij_type; /* role in LIJ call; one of ATM_LIJ* */
212 __u32 lij_id; /* LIJ call identifier */
213 } sas_addr __ATM_API_ALIGN; /* SVC address */
214};
215
216
217static __inline__ int atmsvc_addr_in_use(struct sockaddr_atmsvc addr)
218{
219 return *addr.sas_addr.prv || *addr.sas_addr.pub;
220}
221
222
223static __inline__ int atmpvc_addr_in_use(struct sockaddr_atmpvc addr)
224{
225 return addr.sap_addr.itf || addr.sap_addr.vpi || addr.sap_addr.vci;
226}
227
228
229/*
230 * Some stuff for linux/sockios.h
231 */
232
233struct atmif_sioc {
234 int number;
235 int length;
236 void __user *arg;
237};
238
239#ifdef __KERNEL__
240#ifdef CONFIG_COMPAT 7#ifdef CONFIG_COMPAT
241#include <linux/compat.h> 8#include <linux/compat.h>
242struct compat_atmif_sioc { 9struct compat_atmif_sioc {
@@ -246,6 +13,3 @@ struct compat_atmif_sioc {
246}; 13};
247#endif 14#endif
248#endif 15#endif
249
250typedef unsigned short atm_backend_t;
251#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-18 16:17:30 -0500