From: Max <[email protected]>
Previously the presence of header and data blocks were communicated
in-band which decreases code readability and makes it unnecessary hard
to add support for new hardware.
Note: both OsmoBTS and OsmoPCU have to be modified to take advantage of
extended ph_data_param structure.
---
include/osmocom/gsm/l1sap.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/osmocom/gsm/l1sap.h b/include/osmocom/gsm/l1sap.h
index 9f3fe98..1af8ba8 100644
--- a/include/osmocom/gsm/l1sap.h
+++ b/include/osmocom/gsm/l1sap.h
@@ -25,6 +25,16 @@ enum osmo_mph_info_type {
PRIM_INFO_DEACT_CIPH, /*!< \brief Deactivation of ciphering */
};
+/*! \brief PH-DATA presence information */
+enum osmo_ph_pres_info_type {
+ PRES_INFO_INVALID = 0, /*!< \brief Data is invalid */
+ PRES_INFO_HEADER = 1, /*!< \brief Only header is present and valid */
+ PRES_INFO_FIRST = 3, /*!< \brief First half of data + header are
valid (2nd half may be present but invalid) */
+ PRES_INFO_SECOND = 5, /*!< \brief Second half of data + header are
valid (1st halfmay be present but invalid) */
+ PRES_INFO_BOTH = 7, /*!< \brief Both parts + header are present and
valid */
+ PRES_INFO_UNKNOWN
+};
+
/*! \brief for PH-RANDOM_ACCESS.req */
struct ph_rach_req_param {
uint8_t ra; /*!< \brief Random Access */
@@ -48,6 +58,7 @@ struct ph_data_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint32_t fn; /*!< \brief GSM Frame Number */
int8_t rssi; /*!< \brief RSSI of receivedindication */
+ enum osmo_ph_pres_info_type pdch_presence_info; /*!< \brief Info
regarding presence/validity of header and data parts */
};
/*! \brief for TCH.{req,ind} | TCH-RTS.ind */
--
2.7.1
