GSMTAP

Files
file	gsmtap_util.h
file	gsmtap_util.c

Data Structures
struct	gsmtap_inst
	one gsmtap instance More...

Functions
uint8_t	chantype_rsl2gsmtap (uint8_t rsl_chantype, uint8_t link_id)
	convert RSL channel number to GSMTAP channel type More...
struct msgb *	gsmtap_makemsg_ex (uint8_t type, uint16_t arfcn, uint8_t ts, uint8_t chan_type, uint8_t ss, uint32_t fn, int8_t signal_dbm, uint8_t snr, const uint8_t *data, unsigned int len)
	create an arbitrary type GSMTAP message More...
struct msgb *	gsmtap_makemsg (uint16_t arfcn, uint8_t ts, uint8_t chan_type, uint8_t ss, uint32_t fn, int8_t signal_dbm, uint8_t snr, const uint8_t *data, unsigned int len)
	create L1/L2 data and put it into GSMTAP More...
static int	gsmtap_inst_fd (struct gsmtap_inst *gti)
	obtain the file descriptor associated with a gsmtap instance
int	gsmtap_source_init_fd (const char *host, uint16_t port)
int	gsmtap_source_add_sink_fd (int gsmtap_fd)
struct gsmtap_inst *	gsmtap_source_init (const char *host, uint16_t port, int ofd_wq_mode)
int	gsmtap_source_add_sink (struct gsmtap_inst *gti)
int	gsmtap_sendmsg (struct gsmtap_inst *gti, struct msgb *msg)
int	gsmtap_send_ex (struct gsmtap_inst *gti, uint8_t type, uint16_t arfcn, uint8_t ts, uint8_t chan_type, uint8_t ss, uint32_t fn, int8_t signal_dbm, uint8_t snr, const uint8_t *data, unsigned int len)
int	gsmtap_send (struct gsmtap_inst *gti, uint16_t arfcn, uint8_t ts, uint8_t chan_type, uint8_t ss, uint32_t fn, int8_t signal_dbm, uint8_t snr, const uint8_t *data, unsigned int len)

Variables
struct gsmtap_inst	__attribute__

Detailed Description

Function Documentation

uint8_t chantype_rsl2gsmtap	(	uint8_t	rsl_chantype,
		uint8_t	link_id
	)

convert RSL channel number to GSMTAP channel type

Parameters

[in]	rsl_chantype	RSL channel type
[in]	link_id	RSL link identifier

Returns

GSMTAP channel type

struct msgb * gsmtap_makemsg	(	uint16_t	arfcn,
		uint8_t	ts,
		uint8_t	chan_type,
		uint8_t	ss,
		uint32_t	fn,
		int8_t	signal_dbm,
		uint8_t	snr,
		const uint8_t *	data,
		unsigned int	len
	)

create L1/L2 data and put it into GSMTAP

Parameters

[in]	arfcn	GSM ARFCN (Channel Number)
[in]	ts	GSM time slot
[in]	chan_type	Channel Type
[in]	ss	Sub-slot
[in]	fn	GSM Frame Number
[in]	signal_dbm	Signal Strength (dBm)
[in]	snr	Signal/Noise Ratio (SNR)
[in]	data	Pointer to data buffer
[in]	len	Length of data

This function will allocate a new msgb and fill it with a GSMTAP header containing the information

References gsmtap_makemsg_ex().

struct msgb * gsmtap_makemsg_ex	(	uint8_t	type,
		uint16_t	arfcn,
		uint8_t	ts,
		uint8_t	chan_type,
		uint8_t	ss,
		uint32_t	fn,
		int8_t	signal_dbm,
		uint8_t	snr,
		const uint8_t *	data,
		unsigned int	len
	)

create an arbitrary type GSMTAP message

Parameters

[in]	type	The GSMTAP_TYPE_xxx constant of the message to create
[in]	arfcn	GSM ARFCN (Channel Number)
[in]	ts	GSM time slot
[in]	chan_type	Channel Type
[in]	ss	Sub-slot
[in]	fn	GSM Frame Number
[in]	signal_dbm	Signal Strength (dBm)
[in]	snr	Signal/Noise Ratio (SNR)
[in]	data	Pointer to data buffer
[in]	len	Length of data

This function will allocate a new msgb and fill it with a GSMTAP header containing the information

References msgb_alloc(), and msgb_put().

Referenced by gsmtap_makemsg().