Q921.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "Q921.h"
#include "Q921priv.h"
#include "mfifo.h"

Go to the source code of this file.

Data Structures
struct	Q921StateName
	Static array of state name / value mappings.
Defines
#define	APPEND_MSG(buf, off, lef, fmt,...)
Functions
int	Q921_InitTrunk (L2TRUNK trunk, L2UCHAR sapi, L2UCHAR tei, Q921NetUser_t NetUser, Q921NetType_t NetType, L2INT hsize, Q921Tx21CB_t cb21, Q921Tx23CB_t cb23, void *priv21, void *priv23)
void	Q921TimerTick (L2TRUNK trunk)
void	Q921SetGetTimeCB (L2ULONG(*callback)(void))
int	Q921QueueHDLCFrame (L2TRUNK trunk, L2UCHAR *b, L2INT size)
int	Q921Rx32 (L2TRUNK trunk, Q921DLMsg_t ind, L2UCHAR tei, L2UCHAR *Mes, L2INT Size)
int	Q921Start (L2TRUNK trunk)
	Start trunk.
int	Q921Stop (L2TRUNK trunk)
	Stop trunk.
int	Q921Rx12 (L2TRUNK trunk)
void	Q921SetLogCB (L2TRUNK trunk, Q921LogCB_t func, void *priv)
	Set logging callback.
void	Q921SetLogLevel (L2TRUNK trunk, Q921LogLevel_t level)
	Set loglevel of Q.921 logging functions.

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Define Documentation

#define APPEND_MSG	(	buf,
		off,
		lef,
		fmt,
		...		)

Value:

len = snprintf(buf + off, lef, fmt, ##__VA_ARGS__);     \
        if(len > 0) {                                           \
                off += len;                                     \
                lef -= len;                                     \
        } else {                                                \
                goto out;                                       \
        }

Definition at line 542 of file Q921.c.

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Function Documentation

int Q921_InitTrunk	(	L2TRUNK	trunk,
		L2UCHAR	sapi,
		L2UCHAR	tei,
		Q921NetUser_t	NetUser,
		Q921NetType_t	NetType,
		L2INT	hsize,
		Q921Tx21CB_t	cb21,
		Q921Tx23CB_t	cb23,
		void *	priv21,
		void *	priv23
	)

Public functions Initialize Q.921 Trunk

Definition at line 366 of file Q921.c.

References INITIALIZED_MAGIC, MFIFOCreate(), Q921_IS_PTMP, Q921_IS_PTMP_NT, Q921_TEI_MAX, and Q921MAXHDLCSPACE.

int Q921QueueHDLCFrame	(	L2TRUNK	trunk,
		L2UCHAR *	b,
		L2INT	size
	)

Definition at line 1367 of file Q921.c.

References MFIFOWriteMes().

int Q921Rx12

(

L2TRUNK

trunk

)

Receive incoming data from Layer 1

Definition at line 3004 of file Q921.c.

References L2INT, L2UCHAR, MFIFOGetMesPtr(), MFIFOKillNext(), Q921_IS_PTMP_TE, Q921_LINK_CONTEXT, Q921_LOG_DEBUG, Q921_LOG_ERROR, Q921_STATE_TEI_ASSIGNED, Q921_STATE_TEI_UNASSIGNED, Q921_TEI_BCAST, Q921_Link::state, and Q921_Link::tei.

int Q921Rx32	(	L2TRUNK	trunk,
		Q921DLMsg_t	ind,
		L2UCHAR	tei,
		L2UCHAR *	Mes,
		L2INT	Size
	)

TODO: NT mode handling? Need a way to get Link context from Q.931

Definition at line 1535 of file Q921.c.

void Q921SetGetTimeCB

(

L2ULONG(*)(void)

callback

)

Set custom callback to get current time in ms

Definition at line 1343 of file Q921.c.

void Q921SetLogCB	(	L2TRUNK	trunk,
		Q921LogCB_t	func,
		void *	priv
	)

Set logging callback.

Q921SetLogCB

Parameters:

[in]	trunk	pointer to Q921 data struct
[in]	func	pointer to logging callback function
[in]	priv	pointer to private data

Author:

Stefan Knoblich

Definition at line 3069 of file Q921.c.

void Q921SetLogLevel	(	L2TRUNK	trunk,
		Q921LogLevel_t	level
	)

Set loglevel of Q.921 logging functions.

Q921SetLogLevel

Parameters:

[in]	trunk	pointer to Q921 data struct
[in]	level	new loglevel

Author:

Stefan Knoblich

Definition at line 3086 of file Q921.c.

int Q921Start

(

L2TRUNK

trunk

)

Start trunk.

Q921Start

Parameters:

[in]

trunk

pointer to Q921 data struct

Returns:

> 0 on success; <= 0 on error

Definition at line 1776 of file Q921.c.

int Q921Stop

(

L2TRUNK

trunk

)

Stop trunk.

Q921Stop

Parameters:

[in]

trunk

pointer to Q921 data struct

Returns:

> 0 on success; <= 0 on error

Author:

Stefan Knoblich

Definition at line 1855 of file Q921.c.

void Q921TimerTick

(

L2TRUNK

trunk

)

Update internal timers

Definition at line 1301 of file Q921.c.

References L2ULONG, Q921_IS_PTMP_NT, Q921_LINK_CONTEXT, Q921_STATE_STOPPED, Q921_TEI_MAX, Q921_Link::state, Q921_Link::T200, Q921_Link::T201, Q921_Link::T203, and Q921_Link::tei.

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