gnb,rrc_nr: Filling in RLC-NR DRB configs from 5QI config now.

srsgnb/hdr/stack/rrc/cell_asn1_config.h

@@ -15,6 +15,7 @@
 
 #include "rrc_nr_config.h"
 #include "srsran/asn1/rrc_nr.h"
+#include "srsran/common/bearer_manager.h"
 #include "srsran/common/common_nr.h"
 
 namespace srsenb {
@@ -44,6 +45,8 @@ bool compute_diff_radio_bearer_cfg(const rrc_nr_cfg_t&                     cfg,
 
 /// Apply radioBearerConfig updates to CellGroupConfig
 void fill_cellgroup_with_radio_bearer_cfg(const rrc_nr_cfg_t&                     cfg,
+                                          uint32_t                                rnti,
+                                          const enb_bearer_manager&               bearer_mapper,
                                           const asn1::rrc_nr::radio_bearer_cfg_s& bearers,
                                           asn1::rrc_nr::cell_group_cfg_s&         out);
 

srsgnb/src/stack/rrc/cell_asn1_config.cc

@@ -978,20 +978,17 @@ void fill_srb(const rrc_nr_cfg_t& cfg, srsran::nr_srb srb_id, asn1::rrc_nr::rlc_
 }
 
 /// Fill DRB with parameters derived from cfg
-void fill_drb(const rrc_nr_cfg_t& cfg, uint32_t lcid, srsran::nr_drb drb_id, asn1::rrc_nr::rlc_bearer_cfg_s& out)
+void fill_drb(const rrc_nr_cfg_t&                       cfg,
+              const enb_bearer_manager::radio_bearer_t& rb,
+              srsran::nr_drb                            drb_id,
+              asn1::rrc_nr::rlc_bearer_cfg_s&           out)
 {
-  out.lc_ch_id                         = lcid;
+  out.lc_ch_id                         = rb.lcid;
   out.served_radio_bearer_present      = true;
   out.served_radio_bearer.set_drb_id() = (uint8_t)drb_id;
 
-  out.rlc_cfg_present        = true;
+  out.rlc_cfg_present = true;
-  auto& ul_um                = out.rlc_cfg.set_um_bi_dir().ul_um_rlc;
+  out.rlc_cfg         = cfg.five_qi_cfg.at(rb.five_qi).rlc_cfg;
-  ul_um.sn_field_len_present = true;
-  ul_um.sn_field_len.value   = sn_field_len_um_opts::size12;
-  auto& dl_um                = out.rlc_cfg.um_bi_dir().dl_um_rlc;
-  dl_um.sn_field_len_present = true;
-  dl_um.sn_field_len.value   = sn_field_len_um_opts::size12;
-  dl_um.t_reassembly.value   = t_reassembly_opts::ms50;
 
   // MAC logical channel config
   out.mac_lc_ch_cfg_present                    = true;
@@ -1319,6 +1316,8 @@ bool compute_diff_radio_bearer_cfg(const rrc_nr_cfg_t&       cfg,
 }
 
 void fill_cellgroup_with_radio_bearer_cfg(const rrc_nr_cfg_t&                     cfg,
+                                          const uint32_t                          rnti,
+                                          const enb_bearer_manager&               bearer_mapper,
                                           const asn1::rrc_nr::radio_bearer_cfg_s& bearers,
                                           asn1::rrc_nr::cell_group_cfg_s&         out)
 {
@@ -1333,8 +1332,9 @@ void fill_cellgroup_with_radio_bearer_cfg(const rrc_nr_cfg_t&
   // Add DRBs
   for (const drb_to_add_mod_s& drb : bearers.drb_to_add_mod_list) {
     out.rlc_bearer_to_add_mod_list.push_back({});
-    uint32_t lcid = drb.drb_id + (int)srsran::nr_srb::count - 1;
+    uint32_t                           lcid = drb.drb_id + (int)srsran::nr_srb::count - 1;
-    fill_drb(cfg, lcid, (srsran::nr_drb)drb.drb_id, out.rlc_bearer_to_add_mod_list.back());
+    enb_bearer_manager::radio_bearer_t rb   = bearer_mapper.get_lcid_bearer(rnti, lcid);
+    fill_drb(cfg, rb, (srsran::nr_drb)drb.drb_id, out.rlc_bearer_to_add_mod_list.back());
   }
 
   // Release DRBs

srsgnb/src/stack/rrc/rrc_nr_ue.cc

@@ -968,7 +968,8 @@ void rrc_nr::ue::handle_rrc_reestablishment_request(const asn1::rrc_nr::rrc_rees
   // compute config and create SRB1 for new user
   asn1::rrc_nr::radio_bearer_cfg_s dummy_radio_bearer_cfg; // just to compute difference, it's never sent to UE
   compute_diff_radio_bearer_cfg(parent->cfg, radio_bearer_cfg, next_radio_bearer_cfg, dummy_radio_bearer_cfg);
-  fill_cellgroup_with_radio_bearer_cfg(parent->cfg, dummy_radio_bearer_cfg, next_cell_group_cfg);
+  fill_cellgroup_with_radio_bearer_cfg(
+      parent->cfg, old_rnti, *parent->bearer_mapper, dummy_radio_bearer_cfg, next_cell_group_cfg);
 
   // send RRC Reestablishment message and restore bearer configuration
   send_connection_reest(old_ue->sec_ctx.get_ncc());
@@ -1061,7 +1062,8 @@ void rrc_nr::ue::send_rrc_setup()
 
   // - Setup masterCellGroup
   // - Derive master cell group config bearers
-  fill_cellgroup_with_radio_bearer_cfg(parent->cfg, setup_ies.radio_bearer_cfg, next_cell_group_cfg);
+  fill_cellgroup_with_radio_bearer_cfg(
+      parent->cfg, rnti, *parent->bearer_mapper, setup_ies.radio_bearer_cfg, next_cell_group_cfg);
   // - Pack masterCellGroup into container
   srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(next_cell_group_cfg, __FUNCTION__);
   if (pdu == nullptr) {
@@ -1209,7 +1211,8 @@ void rrc_nr::ue::send_rrc_reconfiguration()
     // Fill masterCellGroup
     cell_group_cfg_s master_cell_group;
     master_cell_group.cell_group_id = 0;
-    fill_cellgroup_with_radio_bearer_cfg(parent->cfg, ies.radio_bearer_cfg, master_cell_group);
+    fill_cellgroup_with_radio_bearer_cfg(
+        parent->cfg, rnti, *parent->bearer_mapper, ies.radio_bearer_cfg, master_cell_group);
 
     // Pack masterCellGroup into container
     srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(master_cell_group, __FUNCTION__);