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-rw-r--r--src/gsmtap_util.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/gsmtap_util.c b/src/gsmtap_util.c
index 3fa9dd65..ce722da9 100644
--- a/src/gsmtap_util.c
+++ b/src/gsmtap_util.c
@@ -88,7 +88,8 @@ uint8_t chantype_rsl2gsmtap(uint8_t rsl_chantype, uint8_t link_id)
return ret;
}
-/*! \brief create L1/L2 data and put it into GSMTAP
+/*! \brief create an arbitrary type GSMTAP message
+ * \param[in] type The GSMTAP_TYPE_xxx constant of the message to create
* \param[in] arfcn GSM ARFCN (Channel Number)
* \param[in] ts GSM time slot
* \param[in] chan_type Channel Type
@@ -134,6 +135,20 @@ struct msgb *gsmtap_makemsg_ex(uint8_t type, uint16_t arfcn, uint8_t ts, uint8_t
return msg;
}
+/*! \brief create L1/L2 data and put it into GSMTAP
+ * \param[in] arfcn GSM ARFCN (Channel Number)
+ * \param[in] ts GSM time slot
+ * \param[in] chan_type Channel Type
+ * \param[in] ss Sub-slot
+ * \param[in] fn GSM Frame Number
+ * \param[in] signal_dbm Signal Strength (dBm)
+ * \param[in] snr Signal/Noise Ratio (SNR)
+ * \param[in] data Pointer to data buffer
+ * \param[in] len Length of \ref data
+ *
+ * This function will allocate a new msgb and fill it with a GSMTAP
+ * header containing the information
+ */
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)
@@ -216,7 +231,9 @@ int gsmtap_sendmsg(struct gsmtap_inst *gti, struct msgb *msg)
}
}
-/*! \brief receive a message from L1/L2 and put it in GSMTAP */
+/*! \brief send an arbitrary type through GSMTAP.
+ * See \ref gsmtap_makemsg_ex for arguments
+ */
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,
@@ -235,6 +252,9 @@ int gsmtap_send_ex(struct gsmtap_inst *gti, uint8_t type, uint16_t arfcn, uint8_
return gsmtap_sendmsg(gti, msg);
}
+/*! \brief send a message from L1/L2 through GSMTAP.
+ * See \ref gsmtap_makemsg for arguments
+ */
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,