diff options
Diffstat (limited to 'src/gprs_ms.cpp')
| -rw-r--r-- | src/gprs_ms.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/gprs_ms.cpp b/src/gprs_ms.cpp index dc8783c4..f5924fd8 100644 --- a/src/gprs_ms.cpp +++ b/src/gprs_ms.cpp @@ -351,3 +351,39 @@ void GprsMs::set_ms_class(uint8_t ms_class_) m_ms_class = ms_class_; } +void GprsMs::update_error_rate(gprs_rlcmac_tbf *tbf, int error_rate) +{ + struct gprs_rlcmac_bts *bts_data; + + OSMO_ASSERT(m_bts != NULL); + bts_data = m_bts->bts_data(); + + if (error_rate < 0) + return; + + /* TODO: Support different CS values for UL and DL */ + + if (error_rate > bts_data->cs_adj_upper_limit) { + if (m_current_cs_dl > 1) { + m_current_cs_dl -= 1; + m_current_cs_ul = m_current_cs_dl; + LOGP(DRLCMACDL, LOGL_INFO, + "MS (IMSI %s): High error rate %d%%, " + "reducing CS level to %d\n", + imsi(), error_rate, m_current_cs_dl); + } + } else if (error_rate < bts_data->cs_adj_lower_limit) { + if (m_current_cs_dl < 4) { + m_current_cs_dl += 1; + 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", + imsi(), error_rate, m_current_cs_dl); + } + } else { + LOGP(DRLCMACDL, LOGL_DEBUG, + "MS (IMSI %s): Medium error rate %d%%, ignored\n", + imsi(), error_rate); + } +} |