isdnhdlc.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/crc-ccitt.h>
#include <linux/isdn/hdlc.h>
#include <linux/bitrev.h>

Go to the source code of this file.

Macros
#define	handle_fast_flag(h)
#define	handle_abort(h)

Enumerations
enum	{   HDLC_FAST_IDLE, HDLC_GET_FLAG_B0, HDLC_GETFLAG_B1A6, HDLC_GETFLAG_B7,   HDLC_GET_DATA, HDLC_FAST_FLAG }
enum	{   HDLC_SEND_DATA, HDLC_SEND_CRC1, HDLC_SEND_FAST_FLAG, HDLC_SEND_FIRST_FLAG,   HDLC_SEND_CRC2, HDLC_SEND_CLOSING_FLAG, HDLC_SEND_IDLE1, HDLC_SEND_FAST_IDLE,   HDLC_SENDFLAG_B0, HDLC_SENDFLAG_B1A6, HDLC_SENDFLAG_B7, STOPPED,   HDLC_SENDFLAG_ONE }

Functions
	MODULE_AUTHOR ("Wolfgang Mües <[email protected]>, ""Frode Isaksen <[email protected]>, ""Kai Germaschewski <[email protected]>")
	MODULE_DESCRIPTION ("General purpose ISDN HDLC decoder")
	MODULE_LICENSE ("GPL")
void	isdnhdlc_rcv_init (struct isdnhdlc_vars *hdlc, u32 features)
	EXPORT_SYMBOL (isdnhdlc_out_init)
void	isdnhdlc_out_init (struct isdnhdlc_vars *hdlc, u32 features)
	EXPORT_SYMBOL (isdnhdlc_rcv_init)
int	isdnhdlc_decode (struct isdnhdlc_vars *hdlc, const u8 *src, int slen, int *count, u8 *dst, int dsize)
	EXPORT_SYMBOL (isdnhdlc_decode)
int	isdnhdlc_encode (struct isdnhdlc_vars *hdlc, const u8 *src, u16 slen, int *count, u8 *dst, int dsize)
	EXPORT_SYMBOL (isdnhdlc_encode)

Macro Definition Documentation

#define handle_abort

(

h

)

Value:

do {                            \
        h->shift_reg = fast_abort[h->ffbit_shift - 1];  \
        h->hdlc_bits1 = h->ffbit_shift - 2;     \
        if (h->hdlc_bits1 < 0)              \
            h->hdlc_bits1 = 0;          \
        h->data_bits = h->ffbit_shift - 1;      \
        h->state = HDLC_GET_DATA;           \
        h->data_received = 0;               \
    } while (0)

#define handle_fast_flag

(

h

)

Value:

do {                                \
        if (h->cbin == fast_flag[h->bit_shift]) {       \
            h->ffvalue = fast_flag_value[h->bit_shift]; \
            h->state = HDLC_FAST_FLAG;          \
            h->ffbit_shift = h->bit_shift;          \
            h->bit_shift = 1;               \
        } else {                        \
            h->state = HDLC_GET_DATA;           \
            h->data_received = 0;               \
        }                           \
    } while (0)

Enumeration Type Documentation

anonymous enum

Enumerator:

HDLC_FAST_IDLE
HDLC_GET_FLAG_B0
HDLC_GETFLAG_B1A6
HDLC_GETFLAG_B7
HDLC_GET_DATA
HDLC_FAST_FLAG

Definition at line 41 of file isdnhdlc.c.

anonymous enum

Enumerator:

HDLC_SEND_DATA
HDLC_SEND_CRC1
HDLC_SEND_FAST_FLAG
HDLC_SEND_FIRST_FLAG
HDLC_SEND_CRC2
HDLC_SEND_CLOSING_FLAG
HDLC_SEND_IDLE1
HDLC_SEND_FAST_IDLE
HDLC_SENDFLAG_B0
HDLC_SENDFLAG_B1A6
HDLC_SENDFLAG_B7
STOPPED
HDLC_SENDFLAG_ONE

Definition at line 46 of file isdnhdlc.c.

Function Documentation

EXPORT_SYMBOL

(

isdnhdlc_out_init

)

EXPORT_SYMBOL

(

isdnhdlc_rcv_init

)

EXPORT_SYMBOL

(

isdnhdlc_decode

)

EXPORT_SYMBOL

(

isdnhdlc_encode

)

int isdnhdlc_decode	(	struct isdnhdlc_vars *	hdlc,
		const u8 *	src,
		int	slen,
		int *	count,
		u8 *	dst,
		int	dsize
	)

Definition at line 131 of file isdnhdlc.c.

int isdnhdlc_encode	(	struct isdnhdlc_vars *	hdlc,
		const u8 *	src,
		u16	slen,
		int *	count,
		u8 *	dst,
		int	dsize
	)

Definition at line 354 of file isdnhdlc.c.

void isdnhdlc_out_init	(	struct isdnhdlc_vars *	hdlc,
		u32	features
	)

Definition at line 64 of file isdnhdlc.c.

void isdnhdlc_rcv_init	(	struct isdnhdlc_vars *	hdlc,
		u32	features
	)

Definition at line 53 of file isdnhdlc.c.

MODULE_AUTHOR	(	"Wolfgang Mües <[email protected]>	,
		""Frode Isaksen< fisaksen @bewan.com >	,
		""Kai Germaschewski< kai.germaschewski @gmx.de >"
	)

MODULE_DESCRIPTION

(

"General purpose ISDN HDLC decoder"

)

MODULE_LICENSE

(

"GPL"

)