disabled all UL in the MAC during handover, including scheduling requests

srsenb/src/stack/mac/scheduler_ue.cc

@@ -959,14 +959,17 @@ uint32_t sched_ue::get_pending_ul_old_data(uint32_t cc_idx)
 // Private lock-free implementation
 uint32_t sched_ue::get_pending_ul_new_data_unlocked(uint32_t tti)
 {
-  uint32_t pending_data = 0;
+  // Note: If there are no active bearers, scheduling requests are also ignored.
+  uint32_t pending_data     = 0;
+  bool     ul_bearers_found = false;
   for (int i = 0; i < sched_interface::MAX_LC; i++) {
     if (bearer_is_ul(&lch[i])) {
       pending_data += lch[i].bsr;
+      ul_bearers_found = true;
     }
   }
   if (pending_data == 0) {
-    if (is_sr_triggered()) {
+    if (is_sr_triggered() and ul_bearers_found) {
       return 512;
     }
     for (uint32_t cc_idx = 0; cc_idx < carriers.size(); ++cc_idx) {

srsenb/src/stack/rrc/rrc_mobility.cc

@@ -966,11 +966,16 @@ void rrc::ue::rrc_mobility::intraenb_ho_st::enter(rrc_mobility* f)
     return;
   }
 
-  /* Freeze all DRBs. SRBs are needed for sending the HO Cmd */
+  /* Freeze all DRBs. SRBs DL are needed for sending the HO Cmd */
   for (const drb_to_add_mod_s& drb : f->rrc_ue->bearer_list.get_established_drbs()) {
     f->rrc_enb->pdcp->del_bearer(f->rrc_ue->rnti, drb.drb_id + 2);
     f->rrc_enb->mac->bearer_ue_rem(f->rrc_ue->rnti, drb.drb_id + 2);
   }
+  sched_interface::ue_bearer_cfg_t bcfg = {};
+  bcfg.direction                        = sched_interface::ue_bearer_cfg_t::DL;
+  for (uint32_t srb_id = 0; srb_id < 3; ++srb_id) {
+    f->rrc_enb->mac->bearer_ue_cfg(f->rrc_ue->rnti, srb_id, &bcfg);
+  }
 
   /* Prepare RRC Reconf Message with mobility info */
   dl_dcch_msg_s dl_dcch_msg;