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kernel/linux-rt-4.4.41/include/uapi/linux/hdlc/ioctl.h 2.53 KB
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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 */
  
  #ifndef __ASSEMBLY__
  
  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 /* __ASSEMBLY__ */
  #endif /* __HDLC_IOCTL_H__ */