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atmdev.h
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1 /* atmdev.h - ATM device driver declarations and various related items */
2 
3 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
4 
5 
6 #ifndef _UAPILINUX_ATMDEV_H
7 #define _UAPILINUX_ATMDEV_H
8 
9 
10 #include <linux/atmapi.h>
11 #include <linux/atm.h>
12 #include <linux/atmioc.h>
13 
14 
15 #define ESI_LEN 6
16 
17 #define ATM_OC3_PCR (155520000/270*260/8/53)
18  /* OC3 link rate: 155520000 bps
19  SONET overhead: /270*260 (9 section, 1 path)
20  bits per cell: /8/53
21  max cell rate: 353207.547 cells/sec */
22 #define ATM_25_PCR ((25600000/8-8000)/54)
23  /* 25 Mbps ATM cell rate (59111) */
24 #define ATM_OC12_PCR (622080000/1080*1040/8/53)
25  /* OC12 link rate: 622080000 bps
26  SONET overhead: /1080*1040
27  bits per cell: /8/53
28  max cell rate: 1412830.188 cells/sec */
29 #define ATM_DS3_PCR (8000*12)
30  /* DS3: 12 cells in a 125 usec time slot */
31 
32 
33 #define __AAL_STAT_ITEMS \
34  __HANDLE_ITEM(tx); /* TX okay */ \
35  __HANDLE_ITEM(tx_err); /* TX errors */ \
36  __HANDLE_ITEM(rx); /* RX okay */ \
37  __HANDLE_ITEM(rx_err); /* RX errors */ \
38  __HANDLE_ITEM(rx_drop); /* RX out of memory */
39 
40 struct atm_aal_stats {
41 #define __HANDLE_ITEM(i) int i
42  __AAL_STAT_ITEMS
43 #undef __HANDLE_ITEM
44 };
45 
46 
47 struct atm_dev_stats {
48  struct atm_aal_stats aal0;
49  struct atm_aal_stats aal34;
50  struct atm_aal_stats aal5;
51 } __ATM_API_ALIGN;
52 
53 
54 #define ATM_GETLINKRATE _IOW('a',ATMIOC_ITF+1,struct atmif_sioc)
55  /* get link rate */
56 #define ATM_GETNAMES _IOW('a',ATMIOC_ITF+3,struct atm_iobuf)
57  /* get interface names (numbers) */
58 #define ATM_GETTYPE _IOW('a',ATMIOC_ITF+4,struct atmif_sioc)
59  /* get interface type name */
60 #define ATM_GETESI _IOW('a',ATMIOC_ITF+5,struct atmif_sioc)
61  /* get interface ESI */
62 #define ATM_GETADDR _IOW('a',ATMIOC_ITF+6,struct atmif_sioc)
63  /* get itf's local ATM addr. list */
64 #define ATM_RSTADDR _IOW('a',ATMIOC_ITF+7,struct atmif_sioc)
65  /* reset itf's ATM address list */
66 #define ATM_ADDADDR _IOW('a',ATMIOC_ITF+8,struct atmif_sioc)
67  /* add a local ATM address */
68 #define ATM_DELADDR _IOW('a',ATMIOC_ITF+9,struct atmif_sioc)
69  /* remove a local ATM address */
70 #define ATM_GETCIRANGE _IOW('a',ATMIOC_ITF+10,struct atmif_sioc)
71  /* get connection identifier range */
72 #define ATM_SETCIRANGE _IOW('a',ATMIOC_ITF+11,struct atmif_sioc)
73  /* set connection identifier range */
74 #define ATM_SETESI _IOW('a',ATMIOC_ITF+12,struct atmif_sioc)
75  /* set interface ESI */
76 #define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc)
77  /* force interface ESI */
78 #define ATM_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc)
79  /* register a LECS address */
80 #define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc)
81  /* unregister a LECS address */
82 #define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc)
83  /* retrieve LECS address(es) */
84 
85 #define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)
86  /* get AAL layer statistics */
87 #define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)
88  /* get AAL layer statistics and zero */
89 #define ATM_GETLOOP _IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)
90  /* get loopback mode */
91 #define ATM_SETLOOP _IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)
92  /* set loopback mode */
93 #define ATM_QUERYLOOP _IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)
94  /* query supported loopback modes */
95 #define ATM_SETSC _IOW('a',ATMIOC_SPECIAL+1,int)
96  /* enable or disable single-copy */
97 #define ATM_SETBACKEND _IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)
98  /* set backend handler */
99 #define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)
100  /* use backend to make new if */
101 #define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
102  /* add party to p2mp call */
103 #ifdef CONFIG_COMPAT
104 /* It actually takes struct sockaddr_atmsvc, not struct atm_iobuf */
105 #define COMPAT_ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct compat_atm_iobuf)
106 #endif
107 #define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int)
108  /* drop party from p2mp call */
109 
110 /*
111  * These are backend handkers that can be set via the ATM_SETBACKEND call
112  * above. In the future we may support dynamic loading of these - for now,
113  * they're just being used to share the ATMIOC_BACKEND ioctls
114  */
115 #define ATM_BACKEND_RAW 0
116 #define ATM_BACKEND_PPP 1 /* PPPoATM - RFC2364 */
117 #define ATM_BACKEND_BR2684 2 /* Bridged RFC1483/2684 */
118 
119 /* for ATM_GETTYPE */
120 #define ATM_ITFTYP_LEN 8 /* maximum length of interface type name */
121 
122 /*
123  * Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP
124  */
125 
126 /* Point of loopback CPU-->SAR-->PHY-->line--> ... */
127 #define __ATM_LM_NONE 0 /* no loop back ^ ^ ^ ^ */
128 #define __ATM_LM_AAL 1 /* loop back PDUs --' | | | */
129 #define __ATM_LM_ATM 2 /* loop back ATM cells ---' | | */
130 /* RESERVED 4 loop back on PHY side ---' */
131 #define __ATM_LM_PHY 8 /* loop back bits (digital) ----' | */
132 #define __ATM_LM_ANALOG 16 /* loop back the analog signal --------' */
133 
134 /* Direction of loopback */
135 #define __ATM_LM_MKLOC(n) ((n)) /* Local (i.e. loop TX to RX) */
136 #define __ATM_LM_MKRMT(n) ((n) << 8) /* Remote (i.e. loop RX to TX) */
137 
138 #define __ATM_LM_XTLOC(n) ((n) & 0xff)
139 #define __ATM_LM_XTRMT(n) (((n) >> 8) & 0xff)
140 
141 #define ATM_LM_NONE 0 /* no loopback */
142 
143 #define ATM_LM_LOC_AAL __ATM_LM_MKLOC(__ATM_LM_AAL)
144 #define ATM_LM_LOC_ATM __ATM_LM_MKLOC(__ATM_LM_ATM)
145 #define ATM_LM_LOC_PHY __ATM_LM_MKLOC(__ATM_LM_PHY)
146 #define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG)
147 
148 #define ATM_LM_RMT_AAL __ATM_LM_MKRMT(__ATM_LM_AAL)
149 #define ATM_LM_RMT_ATM __ATM_LM_MKRMT(__ATM_LM_ATM)
150 #define ATM_LM_RMT_PHY __ATM_LM_MKRMT(__ATM_LM_PHY)
151 #define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG)
152 
153 /*
154  * Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that
155  * __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x)
156  */
157 
158 
159 struct atm_iobuf {
160  int length;
161  void __user *buffer;
162 };
163 
164 /* for ATM_GETCIRANGE / ATM_SETCIRANGE */
165 
166 #define ATM_CI_MAX -1 /* use maximum range of VPI/VCI */
167 
168 struct atm_cirange {
169  signed char vpi_bits; /* 1..8, ATM_CI_MAX (-1) for maximum */
170  signed char vci_bits; /* 1..16, ATM_CI_MAX (-1) for maximum */
171 };
172 
173 /* for ATM_SETSC; actually taken from the ATM_VF number space */
174 
175 #define ATM_SC_RX 1024 /* enable RX single-copy */
176 #define ATM_SC_TX 2048 /* enable TX single-copy */
177 
178 #define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out
179  anyway */
180 
181 /* MF: change_qos (Modify) flags */
182 
183 #define ATM_MF_IMMED 1 /* Block until change is effective */
184 #define ATM_MF_INC_RSV 2 /* Change reservation on increase */
185 #define ATM_MF_INC_SHP 4 /* Change shaping on increase */
186 #define ATM_MF_DEC_RSV 8 /* Change reservation on decrease */
187 #define ATM_MF_DEC_SHP 16 /* Change shaping on decrease */
188 #define ATM_MF_BWD 32 /* Set the backward direction parameters */
189 
190 #define ATM_MF_SET (ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \
191  ATM_MF_DEC_SHP | ATM_MF_BWD)
192 
193 /*
194  * ATM_VS_* are used to express VC state in a human-friendly way.
195  */
196 
197 #define ATM_VS_IDLE 0 /* VC is not used */
198 #define ATM_VS_CONNECTED 1 /* VC is connected */
199 #define ATM_VS_CLOSING 2 /* VC is closing */
200 #define ATM_VS_LISTEN 3 /* VC is listening for incoming setups */
201 #define ATM_VS_INUSE 4 /* VC is in use (registered with atmsigd) */
202 #define ATM_VS_BOUND 5 /* VC is bound */
203 
204 #define ATM_VS2TXT_MAP \
205  "IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND"
206 
207 #define ATM_VF2TXT_MAP \
208  "ADDR", "READY", "PARTIAL", "REGIS", \
209  "RELEASED", "HASQOS", "LISTEN", "META", \
210  "256", "512", "1024", "2048", \
211  "SESSION", "HASSAP", "BOUND", "CLOSE"
212 
213 
214 
215 #endif /* _UAPILINUX_ATMDEV_H */
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