libosmocore
0.9.6.277-11f2
Osmocom core library
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GSMTAP utility routines. Encapsulates GSM messages over UDP. More...
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 More... | |
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) |
GSMTAP utility routines. Encapsulates GSM messages over UDP.
uint8_t chantype_rsl2gsmtap | ( | uint8_t | rsl_chantype, |
uint8_t | link_id | ||
) |
convert RSL channel number to GSMTAP channel type
[in] | rsl_chantype | RSL channel type |
[in] | link_id | RSL link identifier |
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inlinestatic |
obtain the file descriptor associated with a gsmtap instance
[in] | gti | GSMTAP instance |
References osmo_wqueue::bfd, osmo_fd::fd, and gsmtap_inst::wq.
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
[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
[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 gsmtap_hdr::antenna_nr, gsmtap_hdr::arfcn, gsmtap_hdr::frame_number, gsmtap_hdr::hdr_len, msgb_alloc(), msgb_put(), gsmtap_hdr::signal_dbm, gsmtap_hdr::snr_db, gsmtap_hdr::sub_slot, gsmtap_hdr::sub_type, gsmtap_hdr::timeslot, gsmtap_hdr::type, and gsmtap_hdr::version.
Referenced by gsmtap_makemsg().