diff options
Diffstat (limited to 'src/gprs_ms.cpp')
| -rw-r--r-- | src/gprs_ms.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/gprs_ms.cpp b/src/gprs_ms.cpp index c8d598ee..adb6ff52 100644 --- a/src/gprs_ms.cpp +++ b/src/gprs_ms.cpp @@ -366,6 +366,7 @@ void GprsMs::update_error_rate(gprs_rlcmac_tbf *tbf, int error_rate) { struct gprs_rlcmac_bts *bts_data; int64_t now; + uint8_t max_cs_ul = 4, max_cs_dl = 4; OSMO_ASSERT(m_bts != NULL); bts_data = m_bts->bts_data(); @@ -375,6 +376,12 @@ void GprsMs::update_error_rate(gprs_rlcmac_tbf *tbf, int error_rate) now = now_msec(); + if (bts_data->max_cs_ul) + max_cs_ul = bts_data->max_cs_ul; + + if (bts_data->max_cs_dl) + max_cs_dl = bts_data->max_cs_dl; + /* TODO: Support different CS values for UL and DL */ if (error_rate > bts_data->cs_adj_upper_limit) { @@ -388,10 +395,12 @@ void GprsMs::update_error_rate(gprs_rlcmac_tbf *tbf, int error_rate) m_last_cs_not_low = now; } } else if (error_rate < bts_data->cs_adj_lower_limit) { - if (m_current_cs_dl < 4) { + if (m_current_cs_dl < max_cs_dl) { if (now - m_last_cs_not_low > 1000) { m_current_cs_dl += 1; - m_current_cs_ul = m_current_cs_dl; + if (m_current_cs_dl <= max_cs_ul) + m_current_cs_ul = m_current_cs_dl; + LOGP(DRLCMACDL, LOGL_INFO, "MS (IMSI %s): Low error rate %d%%, " "increasing CS level to %d\n", |