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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* atmdev.h - ATM device driver declarations and various related items */
/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
#ifndef LINUX_ATMDEV_H
#define LINUX_ATMDEV_H
#include <linux/atmapi.h>
#include <linux/atm.h>
#include <linux/atmioc.h>
#define ESI_LEN 6
#define ATM_OC3_PCR (155520000/270*260/8/53)
/* OC3 link rate: 155520000 bps
SONET overhead: /270*260 (9 section, 1 path)
bits per cell: /8/53
max cell rate: 353207.547 cells/sec */
#define ATM_25_PCR ((25600000/8-8000)/54)
/* 25 Mbps ATM cell rate (59111) */
#define ATM_OC12_PCR (622080000/1080*1040/8/53)
/* OC12 link rate: 622080000 bps
SONET overhead: /1080*1040
bits per cell: /8/53
max cell rate: 1412830.188 cells/sec */
#define ATM_DS3_PCR (8000*12)
/* DS3: 12 cells in a 125 usec time slot */
#define __AAL_STAT_ITEMS \
__HANDLE_ITEM(tx); /* TX okay */ \
__HANDLE_ITEM(tx_err); /* TX errors */ \
__HANDLE_ITEM(rx); /* RX okay */ \
__HANDLE_ITEM(rx_err); /* RX errors */ \
__HANDLE_ITEM(rx_drop); /* RX out of memory */
struct atm_aal_stats {
#define __HANDLE_ITEM(i) int i
__AAL_STAT_ITEMS
#undef __HANDLE_ITEM
};
struct atm_dev_stats {
struct atm_aal_stats aal0;
struct atm_aal_stats aal34;
struct atm_aal_stats aal5;
} __ATM_API_ALIGN;
#define ATM_GETLINKRATE _IOW('a',ATMIOC_ITF+1,struct atmif_sioc)
/* get link rate */
#define ATM_GETNAMES _IOW('a',ATMIOC_ITF+3,struct atm_iobuf)
/* get interface names (numbers) */
#define ATM_GETTYPE _IOW('a',ATMIOC_ITF+4,struct atmif_sioc)
/* get interface type name */
#define ATM_GETESI _IOW('a',ATMIOC_ITF+5,struct atmif_sioc)
/* get interface ESI */
#define ATM_GETADDR _IOW('a',ATMIOC_ITF+6,struct atmif_sioc)
/* get itf's local ATM addr. list */
#define ATM_RSTADDR _IOW('a',ATMIOC_ITF+7,struct atmif_sioc)
/* reset itf's ATM address list */
#define ATM_ADDADDR _IOW('a',ATMIOC_ITF+8,struct atmif_sioc)
/* add a local ATM address */
#define ATM_DELADDR _IOW('a',ATMIOC_ITF+9,struct atmif_sioc)
/* remove a local ATM address */
#define ATM_GETCIRANGE _IOW('a',ATMIOC_ITF+10,struct atmif_sioc)
/* get connection identifier range */
#define ATM_SETCIRANGE _IOW('a',ATMIOC_ITF+11,struct atmif_sioc)
/* set connection identifier range */
#define ATM_SETESI _IOW('a',ATMIOC_ITF+12,struct atmif_sioc)
/* set interface ESI */
#define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc)
/* force interface ESI */
#define ATM_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc)
/* register a LECS address */
#define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc)
/* unregister a LECS address */
#define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc)
/* retrieve LECS address(es) */
#define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)
/* get AAL layer statistics */
#define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)
/* get AAL layer statistics and zero */
#define ATM_GETLOOP _IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)
/* get loopback mode */
#define ATM_SETLOOP _IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)
/* set loopback mode */
#define ATM_QUERYLOOP _IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)
/* query supported loopback modes */
#define ATM_SETSC _IOW('a',ATMIOC_SPECIAL+1,int)
/* enable or disable single-copy */
#define ATM_SETBACKEND _IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)
/* set backend handler */
#define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)
/* use backend to make new if */
#define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
/* add party to p2mp call */
#ifdef CONFIG_COMPAT
/* It actually takes struct sockaddr_atmsvc, not struct atm_iobuf */
#define COMPAT_ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct compat_atm_iobuf)
#endif
#define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int)
/* drop party from p2mp call */
/*
* These are backend handkers that can be set via the ATM_SETBACKEND call
* above. In the future we may support dynamic loading of these - for now,
* they're just being used to share the ATMIOC_BACKEND ioctls
*/
#define ATM_BACKEND_RAW 0
#define ATM_BACKEND_PPP 1 /* PPPoATM - RFC2364 */
#define ATM_BACKEND_BR2684 2 /* Bridged RFC1483/2684 */
/* for ATM_GETTYPE */
#define ATM_ITFTYP_LEN 8 /* maximum length of interface type name */
/*
* Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP
*/
/* Point of loopback CPU-->SAR-->PHY-->line--> ... */
#define __ATM_LM_NONE 0 /* no loop back ^ ^ ^ ^ */
#define __ATM_LM_AAL 1 /* loop back PDUs --' | | | */
#define __ATM_LM_ATM 2 /* loop back ATM cells ---' | | */
/* RESERVED 4 loop back on PHY side ---' */
#define __ATM_LM_PHY 8 /* loop back bits (digital) ----' | */
#define __ATM_LM_ANALOG 16 /* loop back the analog signal --------' */
/* Direction of loopback */
#define __ATM_LM_MKLOC(n) ((n)) /* Local (i.e. loop TX to RX) */
#define __ATM_LM_MKRMT(n) ((n) << 8) /* Remote (i.e. loop RX to TX) */
#define __ATM_LM_XTLOC(n) ((n) & 0xff)
#define __ATM_LM_XTRMT(n) (((n) >> 8) & 0xff)
#define ATM_LM_NONE 0 /* no loopback */
#define ATM_LM_LOC_AAL __ATM_LM_MKLOC(__ATM_LM_AAL)
#define ATM_LM_LOC_ATM __ATM_LM_MKLOC(__ATM_LM_ATM)
#define ATM_LM_LOC_PHY __ATM_LM_MKLOC(__ATM_LM_PHY)
#define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG)
#define ATM_LM_RMT_AAL __ATM_LM_MKRMT(__ATM_LM_AAL)
#define ATM_LM_RMT_ATM __ATM_LM_MKRMT(__ATM_LM_ATM)
#define ATM_LM_RMT_PHY __ATM_LM_MKRMT(__ATM_LM_PHY)
#define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG)
/*
* Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that
* __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x)
*/
struct atm_iobuf {
int length;
void *buffer;
};
/* for ATM_GETCIRANGE / ATM_SETCIRANGE */
#define ATM_CI_MAX -1 /* use maximum range of VPI/VCI */
struct atm_cirange {
signed char vpi_bits; /* 1..8, ATM_CI_MAX (-1) for maximum */
signed char vci_bits; /* 1..16, ATM_CI_MAX (-1) for maximum */
};
/* for ATM_SETSC; actually taken from the ATM_VF number space */
#define ATM_SC_RX 1024 /* enable RX single-copy */
#define ATM_SC_TX 2048 /* enable TX single-copy */
#define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out
anyway */
/* MF: change_qos (Modify) flags */
#define ATM_MF_IMMED 1 /* Block until change is effective */
#define ATM_MF_INC_RSV 2 /* Change reservation on increase */
#define ATM_MF_INC_SHP 4 /* Change shaping on increase */
#define ATM_MF_DEC_RSV 8 /* Change reservation on decrease */
#define ATM_MF_DEC_SHP 16 /* Change shaping on decrease */
#define ATM_MF_BWD 32 /* Set the backward direction parameters */
#define ATM_MF_SET (ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \
ATM_MF_DEC_SHP | ATM_MF_BWD)
/*
* ATM_VS_* are used to express VC state in a human-friendly way.
*/
#define ATM_VS_IDLE 0 /* VC is not used */
#define ATM_VS_CONNECTED 1 /* VC is connected */
#define ATM_VS_CLOSING 2 /* VC is closing */
#define ATM_VS_LISTEN 3 /* VC is listening for incoming setups */
#define ATM_VS_INUSE 4 /* VC is in use (registered with atmsigd) */
#define ATM_VS_BOUND 5 /* VC is bound */
#define ATM_VS2TXT_MAP \
"IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND"
#define ATM_VF2TXT_MAP \
"ADDR", "READY", "PARTIAL", "REGIS", \
"RELEASED", "HASQOS", "LISTEN", "META", \
"256", "512", "1024", "2048", \
"SESSION", "HASSAP", "BOUND", "CLOSE"
#endif /* LINUX_ATMDEV_H */
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