include/uapi/linux/atmdev.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /* atmdev.h - ATM device driver declarations and various related items */
   3
   4 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
   5
   6
   7 #ifndef _UAPILINUX_ATMDEV_H
   8 #define _UAPILINUX_ATMDEV_H
   9
  10
  11 #include <linux/atmapi.h>
  12 #include <linux/atm.h>
  13 #include <linux/atmioc.h>
  14
  15
  16 #define ESI_LEN         6
  17
  18 #define ATM_OC3_PCR     (155520000/270*260/8/53)
  19                         /* OC3 link rate:  155520000 bps
  20                            SONET overhead: /270*260 (9 section, 1 path)
  21                            bits per cell:  /8/53
  22                            max cell rate:  353207.547 cells/sec */
  23 #define ATM_25_PCR      ((25600000/8-8000)/54)
  24                         /* 25 Mbps ATM cell rate (59111) */
  25 #define ATM_OC12_PCR    (622080000/1080*1040/8/53)
  26                         /* OC12 link rate: 622080000 bps
  27                            SONET overhead: /1080*1040
  28                            bits per cell:  /8/53
  29                            max cell rate:  1412830.188 cells/sec */
  30 #define ATM_DS3_PCR     (8000*12)
  31                         /* DS3: 12 cells in a 125 usec time slot */
  32
  33
  34 #define __AAL_STAT_ITEMS \
  35     __HANDLE_ITEM(tx);                  /* TX okay */ \
  36     __HANDLE_ITEM(tx_err);              /* TX errors */ \
  37     __HANDLE_ITEM(rx);                  /* RX okay */ \
  38     __HANDLE_ITEM(rx_err);              /* RX errors */ \
  39     __HANDLE_ITEM(rx_drop);             /* RX out of memory */
  40
  41 struct atm_aal_stats {
  42 #define __HANDLE_ITEM(i) int i
  43         __AAL_STAT_ITEMS
  44 #undef __HANDLE_ITEM
  45 };
  46
  47
  48 struct atm_dev_stats {
  49         struct atm_aal_stats aal0;
  50         struct atm_aal_stats aal34;
  51         struct atm_aal_stats aal5;
  52 } __ATM_API_ALIGN;
  53
  54
  55 #define ATM_GETLINKRATE _IOW('a',ATMIOC_ITF+1,struct atmif_sioc)
  56                                         /* get link rate */
  57 #define ATM_GETNAMES    _IOW('a',ATMIOC_ITF+3,struct atm_iobuf)
  58                                         /* get interface names (numbers) */
  59 #define ATM_GETTYPE     _IOW('a',ATMIOC_ITF+4,struct atmif_sioc)
  60                                         /* get interface type name */
  61 #define ATM_GETESI      _IOW('a',ATMIOC_ITF+5,struct atmif_sioc)
  62                                         /* get interface ESI */
  63 #define ATM_GETADDR     _IOW('a',ATMIOC_ITF+6,struct atmif_sioc)
  64                                         /* get itf's local ATM addr. list */
  65 #define ATM_RSTADDR     _IOW('a',ATMIOC_ITF+7,struct atmif_sioc)
  66                                         /* reset itf's ATM address list */
  67 #define ATM_ADDADDR     _IOW('a',ATMIOC_ITF+8,struct atmif_sioc)
  68                                         /* add a local ATM address */
  69 #define ATM_DELADDR     _IOW('a',ATMIOC_ITF+9,struct atmif_sioc)
  70                                         /* remove a local ATM address */
  71 #define ATM_GETCIRANGE  _IOW('a',ATMIOC_ITF+10,struct atmif_sioc)
  72                                         /* get connection identifier range */
  73 #define ATM_SETCIRANGE  _IOW('a',ATMIOC_ITF+11,struct atmif_sioc)
  74                                         /* set connection identifier range */
  75 #define ATM_SETESI      _IOW('a',ATMIOC_ITF+12,struct atmif_sioc)
  76                                         /* set interface ESI */
  77 #define ATM_SETESIF     _IOW('a',ATMIOC_ITF+13,struct atmif_sioc)
  78                                         /* force interface ESI */
  79 #define ATM_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc)
  80                                         /* register a LECS address */
  81 #define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc)
  82                                         /* unregister a LECS address */
  83 #define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc)
  84                                         /* retrieve LECS address(es) */
  85
  86 #define ATM_GETSTAT     _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)
  87                                         /* get AAL layer statistics */
  88 #define ATM_GETSTATZ    _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)
  89                                         /* get AAL layer statistics and zero */
  90 #define ATM_GETLOOP     _IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)
  91                                         /* get loopback mode */
  92 #define ATM_SETLOOP     _IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)
  93                                         /* set loopback mode */
  94 #define ATM_QUERYLOOP   _IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)
  95                                         /* query supported loopback modes */
  96 #define ATM_SETSC       _IOW('a',ATMIOC_SPECIAL+1,int)
  97                                         /* enable or disable single-copy */
  98 #define ATM_SETBACKEND  _IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)
  99                                         /* set backend handler */
 100 #define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)
 101                                         /* use backend to make new if */
 102 #define ATM_ADDPARTY    _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
 103                                         /* add party to p2mp call */
 104 #ifdef CONFIG_COMPAT
 105 /* It actually takes struct sockaddr_atmsvc, not struct atm_iobuf */
 106 #define COMPAT_ATM_ADDPARTY     _IOW('a', ATMIOC_SPECIAL+4,struct compat_atm_iobuf)
 107 #endif
 108 #define ATM_DROPPARTY   _IOW('a', ATMIOC_SPECIAL+5,int)
 109                                         /* drop party from p2mp call */
 110
 111 /*
 112  * These are backend handkers that can be set via the ATM_SETBACKEND call
 113  * above.  In the future we may support dynamic loading of these - for now,
 114  * they're just being used to share the ATMIOC_BACKEND ioctls
 115  */
 116 #define ATM_BACKEND_RAW         0
 117 #define ATM_BACKEND_PPP         1       /* PPPoATM - RFC2364 */
 118 #define ATM_BACKEND_BR2684      2       /* Bridged RFC1483/2684 */
 119
 120 /* for ATM_GETTYPE */
 121 #define ATM_ITFTYP_LEN  8       /* maximum length of interface type name */
 122
 123 /*
 124  * Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP
 125  */
 126
 127 /* Point of loopback                            CPU-->SAR-->PHY-->line--> ... */
 128 #define __ATM_LM_NONE   0       /* no loop back     ^     ^     ^      ^      */
 129 #define __ATM_LM_AAL    1       /* loop back PDUs --'     |     |      |      */
 130 #define __ATM_LM_ATM    2       /* loop back ATM cells ---'     |      |      */
 131 /* RESERVED             4       loop back on PHY side  ---'                   */
 132 #define __ATM_LM_PHY    8       /* loop back bits (digital) ----'      |      */
 133 #define __ATM_LM_ANALOG 16      /* loop back the analog signal --------'      */
 134
 135 /* Direction of loopback */
 136 #define __ATM_LM_MKLOC(n)       ((n))       /* Local (i.e. loop TX to RX) */
 137 #define __ATM_LM_MKRMT(n)       ((n) << 8)  /* Remote (i.e. loop RX to TX) */
 138
 139 #define __ATM_LM_XTLOC(n)       ((n) & 0xff)
 140 #define __ATM_LM_XTRMT(n)       (((n) >> 8) & 0xff)
 141
 142 #define ATM_LM_NONE     0       /* no loopback */
 143
 144 #define ATM_LM_LOC_AAL  __ATM_LM_MKLOC(__ATM_LM_AAL)
 145 #define ATM_LM_LOC_ATM  __ATM_LM_MKLOC(__ATM_LM_ATM)
 146 #define ATM_LM_LOC_PHY  __ATM_LM_MKLOC(__ATM_LM_PHY)
 147 #define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG)
 148
 149 #define ATM_LM_RMT_AAL  __ATM_LM_MKRMT(__ATM_LM_AAL)
 150 #define ATM_LM_RMT_ATM  __ATM_LM_MKRMT(__ATM_LM_ATM)
 151 #define ATM_LM_RMT_PHY  __ATM_LM_MKRMT(__ATM_LM_PHY)
 152 #define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG)
 153
 154 /*
 155  * Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that
 156  * __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x)
 157  */
 158
 159
 160 struct atm_iobuf {
 161         int length;
 162         void __user *buffer;
 163 };
 164
 165 /* for ATM_GETCIRANGE / ATM_SETCIRANGE */
 166
 167 #define ATM_CI_MAX      -1              /* use maximum range of VPI/VCI */
 168
 169 struct atm_cirange {
 170         signed char     vpi_bits;       /* 1..8, ATM_CI_MAX (-1) for maximum */
 171         signed char     vci_bits;       /* 1..16, ATM_CI_MAX (-1) for maximum */
 172 };
 173
 174 /* for ATM_SETSC; actually taken from the ATM_VF number space */
 175
 176 #define ATM_SC_RX       1024            /* enable RX single-copy */
 177 #define ATM_SC_TX       2048            /* enable TX single-copy */
 178
 179 #define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out
 180                                   anyway */
 181
 182 /* MF: change_qos (Modify) flags */
 183
 184 #define ATM_MF_IMMED     1      /* Block until change is effective */
 185 #define ATM_MF_INC_RSV   2      /* Change reservation on increase */
 186 #define ATM_MF_INC_SHP   4      /* Change shaping on increase */
 187 #define ATM_MF_DEC_RSV   8      /* Change reservation on decrease */
 188 #define ATM_MF_DEC_SHP  16      /* Change shaping on decrease */
 189 #define ATM_MF_BWD      32      /* Set the backward direction parameters */
 190
 191 #define ATM_MF_SET      (ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \
 192                           ATM_MF_DEC_SHP | ATM_MF_BWD)
 193
 194 /*
 195  * ATM_VS_* are used to express VC state in a human-friendly way.
 196  */
 197
 198 #define ATM_VS_IDLE     0       /* VC is not used */
 199 #define ATM_VS_CONNECTED 1      /* VC is connected */
 200 #define ATM_VS_CLOSING  2       /* VC is closing */
 201 #define ATM_VS_LISTEN   3       /* VC is listening for incoming setups */
 202 #define ATM_VS_INUSE    4       /* VC is in use (registered with atmsigd) */
 203 #define ATM_VS_BOUND    5       /* VC is bound */
 204
 205 #define ATM_VS2TXT_MAP \
 206     "IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND"
 207
 208 #define ATM_VF2TXT_MAP \
 209     "ADDR",     "READY",        "PARTIAL",      "REGIS", \
 210     "RELEASED", "HASQOS",       "LISTEN",       "META", \
 211     "256",      "512",          "1024",         "2048", \
 212     "SESSION",  "HASSAP",       "BOUND",        "CLOSE"
 213
 214
 215
 216 #endif /* _UAPILINUX_ATMDEV_H */