diff options
Diffstat (limited to 'src/mm-modem-helpers-mbim.c')
| -rw-r--r-- | src/mm-modem-helpers-mbim.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/mm-modem-helpers-mbim.c b/src/mm-modem-helpers-mbim.c index a1debd00..8d05227a 100644 --- a/src/mm-modem-helpers-mbim.c +++ b/src/mm-modem-helpers-mbim.c @@ -503,3 +503,44 @@ mm_sms_state_from_mbim_message_status (MbimSmsStatus status) return MM_SMS_STATE_UNKNOWN; } +/*****************************************************************************/ + +guint +mm_signal_quality_from_mbim_signal_state (guint rssi, + MbimRsrpSnrInfoArray *rsrp_snr, + guint32 rsrp_snr_count, + gpointer log_object) +{ + guint quality; + + /* When MBIMEx is enabled we may get RSSI unset, but per access technology + * RSRP available. When more than one access technology in use (e.g. 4G+5G in + * 5G NSA), take the highest RSRP value reported. */ + if (rssi == 99 && rsrp_snr && rsrp_snr_count) { + guint i; + gint max_rsrp = G_MININT; + + for (i = 0; i < rsrp_snr_count; i++) { + MbimRsrpSnrInfo *info; + + info = rsrp_snr[i]; + /* scale the value to dBm */ + if (info->rsrp < 127) { + gint rsrp; + + rsrp = -157 + info->rsrp; + if (rsrp > max_rsrp) + max_rsrp = rsrp; + } + } + quality = MM_RSRP_TO_QUALITY (max_rsrp); + mm_obj_dbg (log_object, "signal state update: %ddBm --> %u%%", max_rsrp, quality); + } else { + /* Normalize the quality. 99 means unknown, we default it to 0 */ + quality = MM_CLAMP_HIGH (rssi == 99 ? 0 : rssi, 31) * 100 / 31; + mm_obj_dbg (log_object, "signal state update: %u --> %u%%", rssi, quality); + } + + return quality; +} + |