/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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/* atmdev.h - ATM device driver declarations and various related items */

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/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */

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#ifndef LINUX_ATMDEV_H

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#define LINUX_ATMDEV_H

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#include <linux/atmapi.h>

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#include <linux/atm.h>

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#include <linux/atmioc.h>

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#define ESI_LEN 6

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#define ATM_OC3_PCR (155520000/270*260/8/53)

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/* OC3 link rate: 155520000 bps

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SONET overhead: /270*260 (9 section, 1 path)

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bits per cell: /8/53

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max cell rate: 353207.547 cells/sec */

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#define ATM_25_PCR ((25600000/8-8000)/54)

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/* 25 Mbps ATM cell rate (59111) */

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#define ATM_OC12_PCR (622080000/1080*1040/8/53)

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/* OC12 link rate: 622080000 bps

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SONET overhead: /1080*1040

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bits per cell: /8/53

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max cell rate: 1412830.188 cells/sec */

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#define ATM_DS3_PCR (8000*12)

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/* DS3: 12 cells in a 125 usec time slot */

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#define __AAL_STAT_ITEMS \

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__HANDLE_ITEM(tx); /* TX okay */ \

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__HANDLE_ITEM(tx_err); /* TX errors */ \

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__HANDLE_ITEM(rx); /* RX okay */ \

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__HANDLE_ITEM(rx_err); /* RX errors */ \

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__HANDLE_ITEM(rx_drop); /* RX out of memory */

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struct atm_aal_stats {

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#define __HANDLE_ITEM(i) int i

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__AAL_STAT_ITEMS

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#undef __HANDLE_ITEM

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};

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struct atm_dev_stats {

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struct atm_aal_stats aal0;

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struct atm_aal_stats aal34;

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struct atm_aal_stats aal5;

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} __ATM_API_ALIGN;

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#define ATM_GETLINKRATE _IOW('a',ATMIOC_ITF+1,struct atmif_sioc)

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/* get link rate */

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#define ATM_GETNAMES _IOW('a',ATMIOC_ITF+3,struct atm_iobuf)

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/* get interface names (numbers) */

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#define ATM_GETTYPE _IOW('a',ATMIOC_ITF+4,struct atmif_sioc)

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/* get interface type name */

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#define ATM_GETESI _IOW('a',ATMIOC_ITF+5,struct atmif_sioc)

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/* get interface ESI */

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#define ATM_GETADDR _IOW('a',ATMIOC_ITF+6,struct atmif_sioc)

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/* get itf's local ATM addr. list */

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#define ATM_RSTADDR _IOW('a',ATMIOC_ITF+7,struct atmif_sioc)

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/* reset itf's ATM address list */

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#define ATM_ADDADDR _IOW('a',ATMIOC_ITF+8,struct atmif_sioc)

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/* add a local ATM address */

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#define ATM_DELADDR _IOW('a',ATMIOC_ITF+9,struct atmif_sioc)

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/* remove a local ATM address */

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#define ATM_GETCIRANGE _IOW('a',ATMIOC_ITF+10,struct atmif_sioc)

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/* get connection identifier range */

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#define ATM_SETCIRANGE _IOW('a',ATMIOC_ITF+11,struct atmif_sioc)

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/* set connection identifier range */

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#define ATM_SETESI _IOW('a',ATMIOC_ITF+12,struct atmif_sioc)

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/* set interface ESI */

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#define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc)

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/* force interface ESI */

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#define ATM_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc)

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/* register a LECS address */

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#define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc)

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/* unregister a LECS address */

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#define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc)

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/* retrieve LECS address(es) */

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#define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)

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/* get AAL layer statistics */

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#define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)

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/* get AAL layer statistics and zero */

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#define ATM_GETLOOP _IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)

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/* get loopback mode */

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#define ATM_SETLOOP _IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)

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/* set loopback mode */

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#define ATM_QUERYLOOP _IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)

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/* query supported loopback modes */

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#define ATM_SETSC _IOW('a',ATMIOC_SPECIAL+1,int)

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/* enable or disable single-copy */

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#define ATM_SETBACKEND _IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)

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/* set backend handler */

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#define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)

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/* use backend to make new if */

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#define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)

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/* add party to p2mp call */

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#ifdef CONFIG_COMPAT

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/* It actually takes struct sockaddr_atmsvc, not struct atm_iobuf */

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#define COMPAT_ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct compat_atm_iobuf)

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#endif

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#define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int)

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/* drop party from p2mp call */

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/*

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* These are backend handkers that can be set via the ATM_SETBACKEND call

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* above. In the future we may support dynamic loading of these - for now,

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* they're just being used to share the ATMIOC_BACKEND ioctls

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*/

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#define ATM_BACKEND_RAW 0

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#define ATM_BACKEND_PPP 1 /* PPPoATM - RFC2364 */

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#define ATM_BACKEND_BR2684 2 /* Bridged RFC1483/2684 */

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/* for ATM_GETTYPE */

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#define ATM_ITFTYP_LEN 8 /* maximum length of interface type name */

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/*

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* Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP

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*/

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/* Point of loopback CPU-->SAR-->PHY-->line--> ... */

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#define __ATM_LM_NONE 0 /* no loop back ^ ^ ^ ^ */

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#define __ATM_LM_AAL 1 /* loop back PDUs --' | | | */

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#define __ATM_LM_ATM 2 /* loop back ATM cells ---' | | */

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/* RESERVED 4 loop back on PHY side ---' */

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#define __ATM_LM_PHY 8 /* loop back bits (digital) ----' | */

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#define __ATM_LM_ANALOG 16 /* loop back the analog signal --------' */

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/* Direction of loopback */

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#define __ATM_LM_MKLOC(n) ((n)) /* Local (i.e. loop TX to RX) */

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#define __ATM_LM_MKRMT(n) ((n) << 8) /* Remote (i.e. loop RX to TX) */

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#define __ATM_LM_XTLOC(n) ((n) & 0xff)

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#define __ATM_LM_XTRMT(n) (((n) >> 8) & 0xff)

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#define ATM_LM_NONE 0 /* no loopback */

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#define ATM_LM_LOC_AAL __ATM_LM_MKLOC(__ATM_LM_AAL)

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#define ATM_LM_LOC_ATM __ATM_LM_MKLOC(__ATM_LM_ATM)

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#define ATM_LM_LOC_PHY __ATM_LM_MKLOC(__ATM_LM_PHY)

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#define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG)

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#define ATM_LM_RMT_AAL __ATM_LM_MKRMT(__ATM_LM_AAL)

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#define ATM_LM_RMT_ATM __ATM_LM_MKRMT(__ATM_LM_ATM)

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#define ATM_LM_RMT_PHY __ATM_LM_MKRMT(__ATM_LM_PHY)

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#define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG)

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/*

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* Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that

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* __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x)

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*/

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struct atm_iobuf {

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int length;

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void *buffer;

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};

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/* for ATM_GETCIRANGE / ATM_SETCIRANGE */

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#define ATM_CI_MAX -1 /* use maximum range of VPI/VCI */

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struct atm_cirange {

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signed char vpi_bits; /* 1..8, ATM_CI_MAX (-1) for maximum */

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signed char vci_bits; /* 1..16, ATM_CI_MAX (-1) for maximum */

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};

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/* for ATM_SETSC; actually taken from the ATM_VF number space */

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#define ATM_SC_RX 1024 /* enable RX single-copy */

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#define ATM_SC_TX 2048 /* enable TX single-copy */

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#define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out

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anyway */

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/* MF: change_qos (Modify) flags */

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#define ATM_MF_IMMED 1 /* Block until change is effective */

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#define ATM_MF_INC_RSV 2 /* Change reservation on increase */

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#define ATM_MF_INC_SHP 4 /* Change shaping on increase */

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#define ATM_MF_DEC_RSV 8 /* Change reservation on decrease */

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#define ATM_MF_DEC_SHP 16 /* Change shaping on decrease */

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#define ATM_MF_BWD 32 /* Set the backward direction parameters */

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#define ATM_MF_SET (ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \

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ATM_MF_DEC_SHP | ATM_MF_BWD)

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/*

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* ATM_VS_* are used to express VC state in a human-friendly way.

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*/

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#define ATM_VS_IDLE 0 /* VC is not used */

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#define ATM_VS_CONNECTED 1 /* VC is connected */

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#define ATM_VS_CLOSING 2 /* VC is closing */

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#define ATM_VS_LISTEN 3 /* VC is listening for incoming setups */

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#define ATM_VS_INUSE 4 /* VC is in use (registered with atmsigd) */

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#define ATM_VS_BOUND 5 /* VC is bound */

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#define ATM_VS2TXT_MAP \

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"IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND"

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#define ATM_VF2TXT_MAP \

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"ADDR", "READY", "PARTIAL", "REGIS", \

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"RELEASED", "HASQOS", "LISTEN", "META", \

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"256", "512", "1024", "2048", \

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"SESSION", "HASSAP", "BOUND", "CLOSE"

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#endif /* LINUX_ATMDEV_H */

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