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 LINUX_ATMDEV_H 8 #define LINUX_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 *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 /* LINUX_ATMDEV_H */