include/uapi/linux/hdlc/ioctl.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __HDLC_IOCTL_H__
   3 #define __HDLC_IOCTL_H__
   4
   5
   6 #define GENERIC_HDLC_VERSION 4  /* For synchronization with sethdlc utility */
   7
   8 #define CLOCK_DEFAULT   0       /* Default setting */
   9 #define CLOCK_EXT       1       /* External TX and RX clock - DTE */
  10 #define CLOCK_INT       2       /* Internal TX and RX clock - DCE */
  11 #define CLOCK_TXINT     3       /* Internal TX and external RX clock */
  12 #define CLOCK_TXFROMRX  4       /* TX clock derived from external RX clock */
  13
  14
  15 #define ENCODING_DEFAULT        0 /* Default setting */
  16 #define ENCODING_NRZ            1
  17 #define ENCODING_NRZI           2
  18 #define ENCODING_FM_MARK        3
  19 #define ENCODING_FM_SPACE       4
  20 #define ENCODING_MANCHESTER     5
  21
  22
  23 #define PARITY_DEFAULT          0 /* Default setting */
  24 #define PARITY_NONE             1 /* No parity */
  25 #define PARITY_CRC16_PR0        2 /* CRC16, initial value 0x0000 */
  26 #define PARITY_CRC16_PR1        3 /* CRC16, initial value 0xFFFF */
  27 #define PARITY_CRC16_PR0_CCITT  4 /* CRC16, initial 0x0000, ITU-T version */
  28 #define PARITY_CRC16_PR1_CCITT  5 /* CRC16, initial 0xFFFF, ITU-T version */
  29 #define PARITY_CRC32_PR0_CCITT  6 /* CRC32, initial value 0x00000000 */
  30 #define PARITY_CRC32_PR1_CCITT  7 /* CRC32, initial value 0xFFFFFFFF */
  31
  32 #define LMI_DEFAULT             0 /* Default setting */
  33 #define LMI_NONE                1 /* No LMI, all PVCs are static */
  34 #define LMI_ANSI                2 /* ANSI Annex D */
  35 #define LMI_CCITT               3 /* ITU-T Annex A */
  36 #define LMI_CISCO               4 /* The "original" LMI, aka Gang of Four */
  37
  38 #ifndef __ASSEMBLY__
  39
  40 typedef struct {
  41         unsigned int clock_rate; /* bits per second */
  42         unsigned int clock_type; /* internal, external, TX-internal etc. */
  43         unsigned short loopback;
  44 } sync_serial_settings;          /* V.35, V.24, X.21 */
  45
  46 typedef struct {
  47         unsigned int clock_rate; /* bits per second */
  48         unsigned int clock_type; /* internal, external, TX-internal etc. */
  49         unsigned short loopback;
  50         unsigned int slot_map;
  51 } te1_settings;                  /* T1, E1 */
  52
  53 typedef struct {
  54         unsigned short encoding;
  55         unsigned short parity;
  56 } raw_hdlc_proto;
  57
  58 typedef struct {
  59         unsigned int t391;
  60         unsigned int t392;
  61         unsigned int n391;
  62         unsigned int n392;
  63         unsigned int n393;
  64         unsigned short lmi;
  65         unsigned short dce; /* 1 for DCE (network side) operation */
  66 } fr_proto;
  67
  68 typedef struct {
  69         unsigned int dlci;
  70 } fr_proto_pvc;          /* for creating/deleting FR PVCs */
  71
  72 typedef struct {
  73         unsigned int dlci;
  74         char master[IFNAMSIZ];  /* Name of master FRAD device */
  75 }fr_proto_pvc_info;             /* for returning PVC information only */
  76
  77 typedef struct {
  78     unsigned int interval;
  79     unsigned int timeout;
  80 } cisco_proto;
  81
  82 typedef struct {
  83         unsigned short dce; /* 1 for DCE (network side) operation */
  84         unsigned int modulo; /* modulo (8 = basic / 128 = extended) */
  85         unsigned int window; /* frame window size */
  86         unsigned int t1; /* timeout t1 */
  87         unsigned int t2; /* timeout t2 */
  88         unsigned int n2; /* frame retry counter */
  89 } x25_hdlc_proto;
  90
  91 /* PPP doesn't need any info now - supply length = 0 to ioctl */
  92
  93 #endif /* __ASSEMBLY__ */
  94 #endif /* __HDLC_IOCTL_H__ */