enb,cfg_parser: Add GERAN speed state scale factors

srsenb/sib.conf.example

@@ -143,6 +143,9 @@ sib3 =
 # Must be added to sib1::sched_info::si_mapping_info array parameter to be transmitted
 #
 # t_resel_geran: Cell reselection timer (seconds)
+# t_resel_geran_sf: Optional speed dependent ScalingFactor for t_resel_geran.
+#     sf_medium: Scaling factor if the UE is in Medium Mobility state, one of "0.25", "0.5", "0.75" or "1.0".
+#     sf_high: Scaling factor if the UE is in High Mobility state, one of "0.25", "0.5", "0.75" or "1.0".
 # carrier_freqs_info_list: A list of carrier frequency groups.
 #     cell_resel_prio: Absolute priority of the carrier frequency group
 #     ncc_permitted: 8-bit bitmap of NCC carriers permitted for monitoring

srsenb/src/enb_cfg_parser.cc

@@ -2236,7 +2236,13 @@ int parse_sib7(std::string filename, sib_type7_s* data)
   parser::section sib7("sib7");
 
   sib7.add_field(new parser::field<uint8>("t_resel_geran", &data->t_resel_geran));
-  // TODO: t_resel_geran_sf
+
+  parser::section t_resel_geran_sf("t_resel_geran_sf");
+  sib7.add_subsection(&t_resel_geran_sf);
+  t_resel_geran_sf.set_optional(&data->t_resel_geran_sf_present);
+
+  t_resel_geran_sf.add_field(make_asn1_enum_number_str_parser("sf_medium", &data->t_resel_geran_sf.sf_medium));
+  t_resel_geran_sf.add_field(make_asn1_enum_number_str_parser("sf_high", &data->t_resel_geran_sf.sf_high));
 
   data->carrier_freqs_info_list_present = true;
   parser::section geran_neigh("carrier_freqs_info_list");