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

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#ifndef __HDLC_IOCTL_H__

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#define __HDLC_IOCTL_H__

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#define GENERIC_HDLC_VERSION 4 /* For synchronization with sethdlc utility */

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#define CLOCK_DEFAULT 0 /* Default setting */

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#define CLOCK_EXT 1 /* External TX and RX clock - DTE */

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#define CLOCK_INT 2 /* Internal TX and RX clock - DCE */

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#define CLOCK_TXINT 3 /* Internal TX and external RX clock */

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#define CLOCK_TXFROMRX 4 /* TX clock derived from external RX clock */

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#define ENCODING_DEFAULT 0 /* Default setting */

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#define ENCODING_NRZ 1

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#define ENCODING_NRZI 2

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#define ENCODING_FM_MARK 3

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#define ENCODING_FM_SPACE 4

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#define ENCODING_MANCHESTER 5

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#define PARITY_DEFAULT 0 /* Default setting */

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#define PARITY_NONE 1 /* No parity */

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#define PARITY_CRC16_PR0 2 /* CRC16, initial value 0x0000 */

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#define PARITY_CRC16_PR1 3 /* CRC16, initial value 0xFFFF */

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#define PARITY_CRC16_PR0_CCITT 4 /* CRC16, initial 0x0000, ITU-T version */

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#define PARITY_CRC16_PR1_CCITT 5 /* CRC16, initial 0xFFFF, ITU-T version */

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#define PARITY_CRC32_PR0_CCITT 6 /* CRC32, initial value 0x00000000 */

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#define PARITY_CRC32_PR1_CCITT 7 /* CRC32, initial value 0xFFFFFFFF */

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#define LMI_DEFAULT 0 /* Default setting */

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#define LMI_NONE 1 /* No LMI, all PVCs are static */

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#define LMI_ANSI 2 /* ANSI Annex D */

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#define LMI_CCITT 3 /* ITU-T Annex A */

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#define LMI_CISCO 4 /* The "original" LMI, aka Gang of Four */

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#ifndef __ASSEMBLY__

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typedef struct {

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unsigned int clock_rate; /* bits per second */

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unsigned int clock_type; /* internal, external, TX-internal etc. */

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unsigned short loopback;

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} sync_serial_settings; /* V.35, V.24, X.21 */

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typedef struct {

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unsigned int clock_rate; /* bits per second */

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unsigned int clock_type; /* internal, external, TX-internal etc. */

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unsigned short loopback;

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unsigned int slot_map;

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} te1_settings; /* T1, E1 */

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typedef struct {

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unsigned short encoding;

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unsigned short parity;

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} raw_hdlc_proto;

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typedef struct {

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unsigned int t391;

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unsigned int t392;

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unsigned int n391;

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unsigned int n392;

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unsigned int n393;

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unsigned short lmi;

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unsigned short dce; /* 1 for DCE (network side) operation */

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} fr_proto;

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typedef struct {

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unsigned int dlci;

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} fr_proto_pvc; /* for creating/deleting FR PVCs */

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typedef struct {

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unsigned int dlci;

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char master[IFNAMSIZ]; /* Name of master FRAD device */

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}fr_proto_pvc_info; /* for returning PVC information only */

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typedef struct {

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unsigned int interval;

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unsigned int timeout;

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} cisco_proto;

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/* PPP doesn't need any info now - supply length = 0 to ioctl */

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#endif /* __ASSEMBLY__ */

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#endif /* __HDLC_IOCTL_H__ */

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