This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/OpenBSC@lists.osmocom.org/.
gerrit-no-reply at lists.osmocom.org gerrit-no-reply at lists.osmocom.org>From Max <msuraev at sysmocom.de>: Max has uploaded a new change for review. https://gerrit.osmocom.org/44 Change subject: Add function to make Uplink Measurement ...................................................................... Add function to make Uplink Measurement It assembles RSL Uplink Measurement IE according to 3GPP TS 08.58 §9.3.25. The function is based on lchan_build_rsl_ul_meas() from OsmoBTS but optionally includes DTX information. Change-Id: Ib37107bcc9909e5105ea711de42d3fb1db7e8d9e --- M include/osmocom/gsm/meas_rep.h M src/gsm/gsm_utils.c M src/gsm/libosmogsm.map 3 files changed, 26 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/44/44/1 diff --git a/include/osmocom/gsm/meas_rep.h b/include/osmocom/gsm/meas_rep.h index 09c2c4f..4eaeb72 100644 --- a/include/osmocom/gsm/meas_rep.h +++ b/include/osmocom/gsm/meas_rep.h @@ -1,6 +1,7 @@ #pragma once #include <stdint.h> +#include <stdbool.h> /* RX Level and RX Quality */ struct gsm_rx_lev_qual { @@ -24,3 +25,6 @@ MEAS_REP_UL_RXQUAL_FULL, MEAS_REP_UL_RXQUAL_SUB, }; + +size_t gsm0858_rsl_ul_meas(struct gsm_meas_rep_unidir *mru, bool dtxd_used, + uint8_t *buf); diff --git a/src/gsm/gsm_utils.c b/src/gsm/gsm_utils.c index 5002947..665d4ef 100644 --- a/src/gsm/gsm_utils.c +++ b/src/gsm/gsm_utils.c @@ -66,11 +66,13 @@ #include <osmocom/core/utils.h> #include <osmocom/core/bitvec.h> #include <osmocom/gsm/gsm_utils.h> +#include <osmocom/gsm/meas_rep.h> #include <osmocom/gsm/protocol/gsm_04_08.h> #include <stdlib.h> #include <stdint.h> #include <string.h> +#include <stdbool.h> #include <stdio.h> #include <errno.h> #include <ctype.h> @@ -335,6 +337,24 @@ return y; } +/*! \brief Build the RSL uplink measurement IE (3GPP TS 08.58 § 9.3.25) + * \param[in] mru Unidirectional measumrement report structure + * \param[in] dtxd_used Indicates if DTXd was used during measurement report + * period + * \param[out] buf Pre-allocated bufer for storing IE + * \returns Number of bytes filled in buf + */ +size_t gsm0858_rsl_ul_meas(struct gsm_meas_rep_unidir *mru, bool dtxd_used, + uint8_t *buf) +{ + buf[0] = dtxd_used ? (1 << 6) : 0; + buf[0] |= (mru->full.rx_lev & 0x3f); + buf[1] = (mru->sub.rx_lev & 0x3f); + buf[2] = ((mru->full.rx_qual & 7) << 3) | (mru->sub.rx_qual & 7); + + return 3; +} + /* convert power class to dBm according to GSM TS 05.05 */ unsigned int ms_class_gmsk_dbm(enum gsm_band band, int class) { diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map index e0d9dcb..4c0d054 100644 --- a/src/gsm/libosmogsm.map +++ b/src/gsm/libosmogsm.map @@ -92,6 +92,8 @@ gsm0808_create_sapi_reject; gsm0808_prepend_dtap_header; +gsm0858_rsl_ul_meas; + gsm338_get_sms_alphabet; gsm340_gen_oa; -- To view, visit https://gerrit.osmocom.org/44 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: Ib37107bcc9909e5105ea711de42d3fb1db7e8d9e Gerrit-PatchSet: 1 Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-Owner: Max <msuraev at sysmocom.de>