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 /* PPP doesn't need any info now - supply length = 0 to ioctl */
83
84 #endif /* __ASSEMBLY__ */
85 #endif /* __HDLC_IOCTL_H__ */