1c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* atmdev.h - ATM device driver declarations and various related items */ 2c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 3c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ 4c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 5c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 6c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef LINUX_ATMDEV_H 7c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define LINUX_ATMDEV_H 8c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 9c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 10c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/atmapi.h> 11c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/atm.h> 12c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/atmioc.h> 13c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 14c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 15c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ESI_LEN 6 16c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 17c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_OC3_PCR (155520000/270*260/8/53) 18c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* OC3 link rate: 155520000 bps 19c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru SONET overhead: /270*260 (9 section, 1 path) 20c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru bits per cell: /8/53 21c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru max cell rate: 353207.547 cells/sec */ 22c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_25_PCR ((25600000/8-8000)/54) 23c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* 25 Mbps ATM cell rate (59111) */ 24c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_OC12_PCR (622080000/1080*1040/8/53) 25c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* OC12 link rate: 622080000 bps 26c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru SONET overhead: /1080*1040 27c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru bits per cell: /8/53 28c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru max cell rate: 1412830.188 cells/sec */ 29c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_DS3_PCR (8000*12) 30c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* DS3: 12 cells in a 125 usec time slot */ 31c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 32c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 33c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __AAL_STAT_ITEMS \ 34c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __HANDLE_ITEM(tx); /* TX okay */ \ 35c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __HANDLE_ITEM(tx_err); /* TX errors */ \ 36c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __HANDLE_ITEM(rx); /* RX okay */ \ 37c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __HANDLE_ITEM(rx_err); /* RX errors */ \ 38c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __HANDLE_ITEM(rx_drop); /* RX out of memory */ 39c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 40c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_aal_stats { 41c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __HANDLE_ITEM(i) int i 42c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __AAL_STAT_ITEMS 43c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#undef __HANDLE_ITEM 44c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 45c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 46c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 47c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_dev_stats { 48c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_aal_stats aal0; 49c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_aal_stats aal34; 50c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_aal_stats aal5; 51c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} __ATM_API_ALIGN; 52c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 53c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 54c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETLINKRATE _IOW('a',ATMIOC_ITF+1,struct atmif_sioc) 55c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get link rate */ 56c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETNAMES _IOW('a',ATMIOC_ITF+3,struct atm_iobuf) 57c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get interface names (numbers) */ 58c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETTYPE _IOW('a',ATMIOC_ITF+4,struct atmif_sioc) 59c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get interface type name */ 60c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETESI _IOW('a',ATMIOC_ITF+5,struct atmif_sioc) 61c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get interface ESI */ 62c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETADDR _IOW('a',ATMIOC_ITF+6,struct atmif_sioc) 63c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get itf's local ATM addr. list */ 64c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_RSTADDR _IOW('a',ATMIOC_ITF+7,struct atmif_sioc) 65c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* reset itf's ATM address list */ 66c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_ADDADDR _IOW('a',ATMIOC_ITF+8,struct atmif_sioc) 67c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* add a local ATM address */ 68c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_DELADDR _IOW('a',ATMIOC_ITF+9,struct atmif_sioc) 69c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* remove a local ATM address */ 70c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETCIRANGE _IOW('a',ATMIOC_ITF+10,struct atmif_sioc) 71c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get connection identifier range */ 72c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SETCIRANGE _IOW('a',ATMIOC_ITF+11,struct atmif_sioc) 73c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* set connection identifier range */ 74c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SETESI _IOW('a',ATMIOC_ITF+12,struct atmif_sioc) 75c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* set interface ESI */ 76c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc) 77c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* force interface ESI */ 78c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc) 79c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* register a LECS address */ 80c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc) 81c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* unregister a LECS address */ 82c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc) 83c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* retrieve LECS address(es) */ 84c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 85c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc) 86c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get AAL layer statistics */ 87c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc) 88c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get AAL layer statistics and zero */ 89c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_GETLOOP _IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc) 90c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* get loopback mode */ 91c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SETLOOP _IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc) 92c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* set loopback mode */ 93c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_QUERYLOOP _IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc) 94c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* query supported loopback modes */ 95c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SETSC _IOW('a',ATMIOC_SPECIAL+1,int) 96c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* enable or disable single-copy */ 97c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SETBACKEND _IOW('a',ATMIOC_SPECIAL+2,atm_backend_t) 98c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* set backend handler */ 99c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t) 100c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* use backend to make new if */ 101c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf) 102c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* add party to p2mp call */ 103c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int) 104c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* drop party from p2mp call */ 105c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 106c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 107c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * These are backend handkers that can be set via the ATM_SETBACKEND call 108c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * above. In the future we may support dynamic loading of these - for now, 109c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * they're just being used to share the ATMIOC_BACKEND ioctls 110c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 111c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_BACKEND_RAW 0 112c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_BACKEND_PPP 1 /* PPPoATM - RFC2364 */ 113c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_BACKEND_BR2684 2 /* Bridged RFC1483/2684 */ 114c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 115c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* for ATM_GETTYPE */ 116c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_ITFTYP_LEN 8 /* maximum length of interface type name */ 117c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 118c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 119c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP 120c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 121c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 122c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Point of loopback CPU-->SAR-->PHY-->line--> ... */ 123c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_NONE 0 /* no loop back ^ ^ ^ ^ */ 124c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_AAL 1 /* loop back PDUs --' | | | */ 125c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_ATM 2 /* loop back ATM cells ---' | | */ 126c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* RESERVED 4 loop back on PHY side ---' */ 127c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_PHY 8 /* loop back bits (digital) ----' | */ 128c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_ANALOG 16 /* loop back the analog signal --------' */ 129c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 130c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Direction of loopback */ 131c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_MKLOC(n) ((n)) /* Local (i.e. loop TX to RX) */ 132c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_MKRMT(n) ((n) << 8) /* Remote (i.e. loop RX to TX) */ 133c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 134c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_XTLOC(n) ((n) & 0xff) 135c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __ATM_LM_XTRMT(n) (((n) >> 8) & 0xff) 136c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 137c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_NONE 0 /* no loopback */ 138c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 139c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_LOC_AAL __ATM_LM_MKLOC(__ATM_LM_AAL) 140c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_LOC_ATM __ATM_LM_MKLOC(__ATM_LM_ATM) 141c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_LOC_PHY __ATM_LM_MKLOC(__ATM_LM_PHY) 142c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG) 143c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 144c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_RMT_AAL __ATM_LM_MKRMT(__ATM_LM_AAL) 145c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_RMT_ATM __ATM_LM_MKRMT(__ATM_LM_ATM) 146c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_RMT_PHY __ATM_LM_MKRMT(__ATM_LM_PHY) 147c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG) 148c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 149c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 150c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that 151c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x) 152c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 153c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 154c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 155c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_iobuf { 156c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int length; 157c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void __user *buffer; 158c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 159c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 160c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* for ATM_GETCIRANGE / ATM_SETCIRANGE */ 161c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 162c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_CI_MAX -1 /* use maximum range of VPI/VCI */ 163c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 164c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_cirange { 165c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru signed char vpi_bits; /* 1..8, ATM_CI_MAX (-1) for maximum */ 166c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru signed char vci_bits; /* 1..16, ATM_CI_MAX (-1) for maximum */ 167c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 168c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 169c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* for ATM_SETSC; actually taken from the ATM_VF number space */ 170c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 171c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SC_RX 1024 /* enable RX single-copy */ 172c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SC_TX 2048 /* enable TX single-copy */ 173c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 174c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out 175c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru anyway */ 176c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 177c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* MF: change_qos (Modify) flags */ 178c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 179c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_MF_IMMED 1 /* Block until change is effective */ 180c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_MF_INC_RSV 2 /* Change reservation on increase */ 181c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_MF_INC_SHP 4 /* Change shaping on increase */ 182c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_MF_DEC_RSV 8 /* Change reservation on decrease */ 183c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_MF_DEC_SHP 16 /* Change shaping on decrease */ 184c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_MF_BWD 32 /* Set the backward direction parameters */ 185c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 186c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_MF_SET (ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \ 187c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_MF_DEC_SHP | ATM_MF_BWD) 188c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 189c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 190c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * ATM_VS_* are used to express VC state in a human-friendly way. 191c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 192c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 193c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VS_IDLE 0 /* VC is not used */ 194c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VS_CONNECTED 1 /* VC is connected */ 195c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VS_CLOSING 2 /* VC is closing */ 196c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VS_LISTEN 3 /* VC is listening for incoming setups */ 197c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VS_INUSE 4 /* VC is in use (registered with atmsigd) */ 198c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VS_BOUND 5 /* VC is bound */ 199c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 200c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VS2TXT_MAP \ 201c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru "IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND" 202c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 203c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VF2TXT_MAP \ 204c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru "ADDR", "READY", "PARTIAL", "REGIS", \ 205c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru "RELEASED", "HASQOS", "LISTEN", "META", \ 206c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru "256", "512", "1024", "2048", \ 207c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru "SESSION", "HASSAP", "BOUND", "CLOSE" 208c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 209c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 210c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef __KERNEL__ 211c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 212c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/device.h> 213c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/wait.h> /* wait_queue_head_t */ 214c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/time.h> /* struct timeval */ 215c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/net.h> 216c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/skbuff.h> /* struct sk_buff */ 217c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/uio.h> 218c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <net/sock.h> 219c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <asm/atomic.h> 220c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 221c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef CONFIG_PROC_FS 222c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/proc_fs.h> 223c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 224c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruextern struct proc_dir_entry *atm_proc_root; 225c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 226c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 227c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 228c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct k_atm_aal_stats { 229c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define __HANDLE_ITEM(i) atomic_t i 230c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __AAL_STAT_ITEMS 231c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#undef __HANDLE_ITEM 232c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 233c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 234c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 235c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct k_atm_dev_stats { 236c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct k_atm_aal_stats aal0; 237c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct k_atm_aal_stats aal34; 238c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct k_atm_aal_stats aal5; 239c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 240c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 241c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 242c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruenum { 243c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_ADDR, /* Address is in use. Set by anybody, cleared 244c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru by device driver. */ 245c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_READY, /* VC is ready to transfer data. Set by device 246c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru driver, cleared by anybody. */ 247c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_PARTIAL, /* resources are bound to PVC (partial PVC 248c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru setup), controlled by socket layer */ 249c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_REGIS, /* registered with demon, controlled by SVC 250c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru socket layer */ 251c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_BOUND, /* local SAP is set, controlled by SVC socket 252c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru layer */ 253c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_RELEASED, /* demon has indicated/requested release, 254c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru controlled by SVC socket layer */ 255c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_HASQOS, /* QOS parameters have been set */ 256c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_LISTEN, /* socket is used for listening */ 257c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_META, /* SVC socket isn't used for normal data 258c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru traffic and doesn't depend on signaling 259c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru to be available */ 260c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_SESSION, /* VCC is p2mp session control descriptor */ 261c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_HASSAP, /* SAP has been set */ 262c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_CLOSE, /* asynchronous close - treat like VF_RELEASED*/ 263c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_WAITING, /* waiting for reply from sigd */ 264c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_VF_IS_CLIP, /* in use by CLIP protocol */ 265c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 266c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 267c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 268c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_VF2VS(flags) \ 269c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru (test_bit(ATM_VF_READY,&(flags)) ? ATM_VS_CONNECTED : \ 270c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru test_bit(ATM_VF_RELEASED,&(flags)) ? ATM_VS_CLOSING : \ 271c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru test_bit(ATM_VF_LISTEN,&(flags)) ? ATM_VS_LISTEN : \ 272c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru test_bit(ATM_VF_REGIS,&(flags)) ? ATM_VS_INUSE : \ 273c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru test_bit(ATM_VF_BOUND,&(flags)) ? ATM_VS_BOUND : ATM_VS_IDLE) 274c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 275c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 276c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruenum { 277c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru ATM_DF_REMOVED, /* device was removed from atm_devs list */ 278c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 279c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 280c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 281c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_PHY_SIG_LOST 0 /* no carrier/light */ 282c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_PHY_SIG_UNKNOWN 1 /* carrier/light status is unknown */ 283c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_PHY_SIG_FOUND 2 /* carrier/light okay */ 284c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 285c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_ATMOPT_CLP 1 /* set CLP bit */ 286c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 287c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_vcc { 288c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* struct sock has to be the first member of atm_vcc */ 289c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct sock sk; 290c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long flags; /* VCC flags (ATM_VF_*) */ 291c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru short vpi; /* VPI and VCI (types must be equal */ 292c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* with sockaddr) */ 293c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int vci; 294c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long aal_options; /* AAL layer options */ 295c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long atm_options; /* ATM layer options */ 296c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_dev *dev; /* device back pointer */ 297c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_qos qos; /* QOS */ 298c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_sap sap; /* SAP */ 299c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*push)(struct atm_vcc *vcc,struct sk_buff *skb); 300c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*pop)(struct atm_vcc *vcc,struct sk_buff *skb); /* optional */ 301c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*push_oam)(struct atm_vcc *vcc,void *cell); 302c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*send)(struct atm_vcc *vcc,struct sk_buff *skb); 303c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void *dev_data; /* per-device data */ 304c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void *proto_data; /* per-protocol data */ 305c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct k_atm_aal_stats *stats; /* pointer to AAL stats group */ 306c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* SVC part --- may move later ------------------------------------- */ 307c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru short itf; /* interface number */ 308c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct sockaddr_atmsvc local; 309c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct sockaddr_atmsvc remote; 310c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* Multipoint part ------------------------------------------------- */ 311c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_vcc *session; /* session VCC descriptor */ 312c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* Other stuff ----------------------------------------------------- */ 313c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void *user_back; /* user backlink - not touched by */ 314c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* native ATM stack. Currently used */ 315c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* by CLIP and sch_atm. */ 316c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 317c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 318c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline struct atm_vcc *atm_sk(struct sock *sk) 319c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 320c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru return (struct atm_vcc *)sk; 321c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 322c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 323c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline struct atm_vcc *ATM_SD(struct socket *sock) 324c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 325c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru return atm_sk(sock->sk); 326c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 327c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 328c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline struct sock *sk_atm(struct atm_vcc *vcc) 329c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 330c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru return (struct sock *)vcc; 331c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 332c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 333c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_dev_addr { 334c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct sockaddr_atmsvc addr; /* ATM address */ 335c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct list_head entry; /* next address */ 336c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 337c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 338c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruenum atm_addr_type_t { ATM_ADDR_LOCAL, ATM_ADDR_LECS }; 339c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 340c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_dev { 341c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru const struct atmdev_ops *ops; /* device operations; NULL if unused */ 342c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru const struct atmphy_ops *phy; /* PHY operations, may be undefined */ 343c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* (NULL) */ 344c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru const char *type; /* device type name */ 345c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int number; /* device index */ 346c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void *dev_data; /* per-device data */ 347c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void *phy_data; /* private PHY date */ 348c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long flags; /* device flags (ATM_DF_*) */ 349c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct list_head local; /* local ATM addresses */ 350c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct list_head lecs; /* LECS ATM addresses learned via ILMI */ 351c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char esi[ESI_LEN]; /* ESI ("MAC" addr) */ 352c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_cirange ci_range; /* VPI/VCI range */ 353c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct k_atm_dev_stats stats; /* statistics */ 354c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru char signal; /* signal status (ATM_PHY_SIG_*) */ 355c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int link_rate; /* link rate (default: OC3) */ 356c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru atomic_t refcnt; /* reference count */ 357c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru spinlock_t lock; /* protect internal members */ 358c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef CONFIG_PROC_FS 359c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct proc_dir_entry *proc_entry; /* proc entry */ 360c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru char *proc_name; /* proc entry name */ 361c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 362c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct class_device class_dev; /* sysfs class device */ 363c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct list_head dev_list; /* linkage */ 364c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 365c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 366c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 367c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* OF: send_Oam Flags */ 368c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 369c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_OF_IMMED 1 /* Attempt immediate delivery */ 370c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_OF_INRATE 2 /* Attempt in-rate delivery */ 371c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 372c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 373c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 374c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * ioctl, getsockopt, and setsockopt are optional and can be set to NULL. 375c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 376c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 377c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atmdev_ops { /* only send is required */ 378c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*dev_close)(struct atm_dev *dev); 379c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*open)(struct atm_vcc *vcc); 380c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*close)(struct atm_vcc *vcc); 381c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*ioctl)(struct atm_dev *dev,unsigned int cmd,void __user *arg); 382c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*getsockopt)(struct atm_vcc *vcc,int level,int optname, 383c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void __user *optval,int optlen); 384c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*setsockopt)(struct atm_vcc *vcc,int level,int optname, 385c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void __user *optval,int optlen); 386c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*send)(struct atm_vcc *vcc,struct sk_buff *skb); 387c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*send_oam)(struct atm_vcc *vcc,void *cell,int flags); 388c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*phy_put)(struct atm_dev *dev,unsigned char value, 389c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long addr); 390c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char (*phy_get)(struct atm_dev *dev,unsigned long addr); 391c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*change_qos)(struct atm_vcc *vcc,struct atm_qos *qos,int flags); 392c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*proc_read)(struct atm_dev *dev,loff_t *pos,char *page); 393c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct module *owner; 394c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 395c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 396c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atmphy_ops { 397c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*start)(struct atm_dev *dev); 398c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*ioctl)(struct atm_dev *dev,unsigned int cmd,void __user *arg); 399c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*interrupt)(struct atm_dev *dev); 400c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*stop)(struct atm_dev *dev); 401c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 402c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 403c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_skb_data { 404c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct atm_vcc *vcc; /* ATM VCC */ 405c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long atm_options; /* ATM layer options */ 406c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 407c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 408c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define VCC_HTABLE_SIZE 32 409c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 410c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruextern struct hlist_head vcc_hash[VCC_HTABLE_SIZE]; 411c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruextern rwlock_t vcc_sklist_lock; 412c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 413c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ATM_SKB(skb) (((struct atm_skb_data *) (skb)->cb)) 414c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 415c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops, 416c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int number,unsigned long *flags); /* number == -1: pick first available */ 417c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_dev *atm_dev_lookup(int number); 418c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruvoid atm_dev_deregister(struct atm_dev *dev); 419c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruvoid vcc_insert_socket(struct sock *sk); 420c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 421c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 422c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 423c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * This is approximately the algorithm used by alloc_skb. 424c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 425c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 426c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 427c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline int atm_guess_pdu2truesize(int size) 428c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 429c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru return (SKB_DATA_ALIGN(size) + sizeof(struct skb_shared_info)); 430c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 431c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 432c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 433c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline void atm_force_charge(struct atm_vcc *vcc,int truesize) 434c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 435c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc); 436c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 437c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 438c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 439c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline void atm_return(struct atm_vcc *vcc,int truesize) 440c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 441c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru atomic_sub(truesize, &sk_atm(vcc)->sk_rmem_alloc); 442c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 443c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 444c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 445c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline int atm_may_send(struct atm_vcc *vcc,unsigned int size) 446c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 447c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru return (size + atomic_read(&sk_atm(vcc)->sk_wmem_alloc)) < 448c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru sk_atm(vcc)->sk_sndbuf; 449c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 450c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 451c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 452c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline void atm_dev_hold(struct atm_dev *dev) 453c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 454c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru atomic_inc(&dev->refcnt); 455c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 456c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 457c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 458c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline void atm_dev_put(struct atm_dev *dev) 459c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 460c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru if (atomic_dec_and_test(&dev->refcnt)) { 461c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru BUG_ON(!test_bit(ATM_DF_REMOVED, &dev->flags)); 462c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru if (dev->ops->dev_close) 463c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru dev->ops->dev_close(dev); 464c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru class_device_put(&dev->class_dev); 465c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru } 466c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 467c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 468c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 469c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruint atm_charge(struct atm_vcc *vcc,int truesize); 470c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct sk_buff *atm_alloc_charge(struct atm_vcc *vcc,int pdu_size, 471c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru gfp_t gfp_flags); 472c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruint atm_pcr_goal(const struct atm_trafprm *tp); 473c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 474c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruvoid vcc_release_async(struct atm_vcc *vcc, int reply); 475c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 476c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct atm_ioctl { 477c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct module *owner; 478c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* A module reference is kept if appropriate over this call. 479c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Return -ENOIOCTLCMD if you don't handle it. */ 480c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int (*ioctl)(struct socket *, unsigned int cmd, unsigned long arg); 481c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct list_head list; 482c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 483c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 484c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/** 485c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * register_atm_ioctl - register handler for ioctl operations 486c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 487c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Special (non-device) handlers of ioctl's should 488c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * register here. If you're a normal device, you should 489c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * set .ioctl in your atmdev_ops instead. 490c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 491c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruvoid register_atm_ioctl(struct atm_ioctl *); 492c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 493c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/** 494c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * deregister_atm_ioctl - remove the ioctl handler 495c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 496c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruvoid deregister_atm_ioctl(struct atm_ioctl *); 497c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 498c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif /* __KERNEL__ */ 499c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 500c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 501