diff options
Diffstat (limited to 'src/osmo-bsc/bts_osmobts.c')
| -rw-r--r-- | src/osmo-bsc/bts_osmobts.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/osmo-bsc/bts_osmobts.c b/src/osmo-bsc/bts_osmobts.c index 9813a265d..5007d2b90 100644 --- a/src/osmo-bsc/bts_osmobts.c +++ b/src/osmo-bsc/bts_osmobts.c @@ -44,6 +44,105 @@ extern struct gsm_bts_model bts_model_nanobts; static struct gsm_bts_model model_osmobts; +static void enc_osmo_meas_proc_params(struct msgb *msg, const struct gsm_power_ctrl_params *mp) +{ + struct osmo_preproc_ave_cfg *ave_cfg; + uint8_t *ie_len; + + /* No averaging => no Measurement Averaging parameters */ + if (mp->ci_fr_meas.algo == GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE && + mp->ci_hr_meas.algo == GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE && + mp->ci_amr_fr_meas.algo == GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE && + mp->ci_amr_hr_meas.algo == GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE && + mp->ci_sdcch_meas.algo == GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE && + mp->ci_gprs_meas.algo == GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE) + return; + + /* (TLV) Measurement Averaging parameters for RxLev/RxQual */ + ie_len = msgb_tl_put(msg, RSL_IPAC_EIE_OSMO_MEAS_AVG_CFG); + + ave_cfg = (struct osmo_preproc_ave_cfg *) msgb_put(msg, sizeof(*ave_cfg)); + +#define ENC_PROC(PARAMS, TO, TYPE) do { \ + (TO)->TYPE.ave_enabled = (PARAMS)->TYPE##_meas.algo != GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE; \ + if ((TO)->TYPE.ave_enabled) { \ + /* H_REQAVE and H_REQT */ \ + (TO)->TYPE.h_reqave = (PARAMS)->TYPE##_meas.h_reqave & 0x1f; \ + (TO)->TYPE.h_reqt = (PARAMS)->TYPE##_meas.h_reqt & 0x1f; \ + /* Averaging method and parameters */ \ + (TO)->TYPE.ave_method = ((PARAMS)->TYPE##_meas.algo - 1) & 0x07; \ + switch ((PARAMS)->TYPE##_meas.algo) { \ + case GSM_PWR_CTRL_MEAS_AVG_ALGO_OSMO_EWMA: \ + msgb_v_put(msg, (PARAMS)->TYPE##_meas.ewma.alpha); \ + break; \ + case GSM_PWR_CTRL_MEAS_AVG_ALGO_WEIGHTED: \ + case GSM_PWR_CTRL_MEAS_AVG_ALGO_MOD_MEDIAN: \ + /* FIXME: unknown format */ \ + break; \ + case GSM_PWR_CTRL_MEAS_AVG_ALGO_UNWEIGHTED: \ + case GSM_PWR_CTRL_MEAS_AVG_ALGO_NONE: \ + /* No parameters here */ \ + break; \ + } \ + } \ + } while (0) + ENC_PROC(mp, ave_cfg, ci_fr); + ENC_PROC(mp, ave_cfg, ci_hr); + ENC_PROC(mp, ave_cfg, ci_amr_fr); + ENC_PROC(mp, ave_cfg, ci_amr_hr); + ENC_PROC(mp, ave_cfg, ci_sdcch); + ENC_PROC(mp, ave_cfg, ci_gprs); +#undef ENC_PROC + + /* Update length part of the containing IE */ + *ie_len = msg->tail - (ie_len + 1); +} + +/* Appends Osmocom specific extension IEs into RSL_IE_MS_POWER_PARAM */ +void osmobts_enc_power_params_osmo_ext(struct msgb *msg, const struct gsm_power_ctrl_params *cp) +{ + struct osmo_preproc_pc_thresh *osmo_thresh; + struct osmo_preproc_pc_comp *osmo_thresh_comp; + uint8_t *ie_len; + + /* (TLV) Measurement Averaging Configure (C/I) */ + enc_osmo_meas_proc_params(msg, cp); + + /* (TLV) Thresholds (C/I) */ + ie_len = msgb_tl_put(msg, RSL_IPAC_EIE_OSMO_MS_PWR_CTL); + osmo_thresh = (struct osmo_preproc_pc_thresh *) msgb_put(msg, sizeof(*osmo_thresh)); + #define ENC_THRESH_CI(TYPE) \ + osmo_thresh->l_##TYPE = cp->TYPE##_meas.lower_thresh; \ + osmo_thresh->u_##TYPE = cp->TYPE##_meas.upper_thresh + ENC_THRESH_CI(ci_fr); + ENC_THRESH_CI(ci_hr); + ENC_THRESH_CI(ci_amr_fr); + ENC_THRESH_CI(ci_amr_hr); + ENC_THRESH_CI(ci_sdcch); + ENC_THRESH_CI(ci_gprs); + #undef ENC_THRESH_CI + /* Update length part of the containing IE */ + *ie_len = msg->tail - (ie_len + 1); + + /* (TLV) PC Threshold Comparators (C/I) */ + ie_len = msgb_tl_put(msg, RSL_IPAC_EIE_OSMO_PC_THRESH_COMP); + osmo_thresh_comp = (struct osmo_preproc_pc_comp *) msgb_put(msg, sizeof(*osmo_thresh_comp)); + #define ENC_THRESH_CI(TYPE) \ + osmo_thresh_comp->TYPE.lower_p = cp->TYPE##_meas.lower_cmp_p & 0x1f; \ + osmo_thresh_comp->TYPE.lower_n = cp->TYPE##_meas.lower_cmp_n & 0x1f; \ + osmo_thresh_comp->TYPE.upper_p = cp->TYPE##_meas.upper_cmp_p & 0x1f; \ + osmo_thresh_comp->TYPE.upper_n = cp->TYPE##_meas.upper_cmp_n & 0x1f + ENC_THRESH_CI(ci_fr); + ENC_THRESH_CI(ci_hr); + ENC_THRESH_CI(ci_amr_fr); + ENC_THRESH_CI(ci_amr_hr); + ENC_THRESH_CI(ci_sdcch); + ENC_THRESH_CI(ci_gprs); + #undef ENC_THRESH_CI + /* Update length part of the containing IE */ + *ie_len = msg->tail - (ie_len + 1); +} + static int power_ctrl_set_c0_power_red(const struct gsm_bts *bts, const uint8_t red) { |