ioctl.h

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#ifndef __HDLC_IOCTL_H__
#define __HDLC_IOCTL_H__


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

#define CLOCK_DEFAULT   0   /* Default setting */
#define CLOCK_EXT   1   /* External TX and RX clock - DTE */
#define CLOCK_INT   2   /* Internal TX and RX clock - DCE */
#define CLOCK_TXINT 3   /* Internal TX and external RX clock */
#define CLOCK_TXFROMRX  4   /* TX clock derived from external RX clock */


#define ENCODING_DEFAULT    0 /* Default setting */
#define ENCODING_NRZ        1
#define ENCODING_NRZI       2
#define ENCODING_FM_MARK    3
#define ENCODING_FM_SPACE   4
#define ENCODING_MANCHESTER 5


#define PARITY_DEFAULT      0 /* Default setting */
#define PARITY_NONE     1 /* No parity */
#define PARITY_CRC16_PR0    2 /* CRC16, initial value 0x0000 */
#define PARITY_CRC16_PR1    3 /* CRC16, initial value 0xFFFF */
#define PARITY_CRC16_PR0_CCITT  4 /* CRC16, initial 0x0000, ITU-T version */
#define PARITY_CRC16_PR1_CCITT  5 /* CRC16, initial 0xFFFF, ITU-T version */
#define PARITY_CRC32_PR0_CCITT  6 /* CRC32, initial value 0x00000000 */
#define PARITY_CRC32_PR1_CCITT  7 /* CRC32, initial value 0xFFFFFFFF */

#define LMI_DEFAULT     0 /* Default setting */
#define LMI_NONE        1 /* No LMI, all PVCs are static */
#define LMI_ANSI        2 /* ANSI Annex D */
#define LMI_CCITT       3 /* ITU-T Annex A */
#define LMI_CISCO       4 /* The "original" LMI, aka Gang of Four */

typedef struct { 
    unsigned int clock_rate; /* bits per second */
    unsigned int clock_type; /* internal, external, TX-internal etc. */
    unsigned short loopback;
} sync_serial_settings;          /* V.35, V.24, X.21 */

typedef struct { 
    unsigned int clock_rate; /* bits per second */
    unsigned int clock_type; /* internal, external, TX-internal etc. */
    unsigned short loopback;
    unsigned int slot_map;
} te1_settings;                  /* T1, E1 */

typedef struct {
    unsigned short encoding;
    unsigned short parity;
} raw_hdlc_proto;

typedef struct {
    unsigned int t391;
    unsigned int t392;
    unsigned int n391;
    unsigned int n392;
    unsigned int n393;
    unsigned short lmi;
    unsigned short dce; /* 1 for DCE (network side) operation */
} fr_proto;

typedef struct {
    unsigned int dlci;
} fr_proto_pvc;          /* for creating/deleting FR PVCs */

typedef struct {
    unsigned int dlci;
    char master[IFNAMSIZ];  /* Name of master FRAD device */
}fr_proto_pvc_info;     /* for returning PVC information only */

typedef struct {
    unsigned int interval;
    unsigned int timeout;
} cisco_proto;

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

#endif /* __HDLC_IOCTL_H__ */