increase ring size for test mode internal storage

include/srsran/scheduler/resource_grid_util.h

@@ -25,8 +25,8 @@ namespace srsran {
 /// the numerology mu=0 (SCS=15kHz), it will be also satisfied for the same RING_ALLOCATOR_SIZE and larger numerologies.
 /// This means that in contexts where mu is not known (e.g. compile time), mu=0 can be used for generality sake,
 /// at the expense of more memory overhead.
-constexpr inline unsigned get_allocator_ring_size_gt_min(unsigned           minimum_value,
-                                                         subcarrier_spacing scs = subcarrier_spacing::kHz15)
+constexpr unsigned get_allocator_ring_size_gt_min(unsigned           minimum_value,
+                                                  subcarrier_spacing scs = subcarrier_spacing::kHz15)
 {
   auto power2_ceil = [](unsigned x) {
     if (x <= 1)
@@ -44,7 +44,7 @@ constexpr inline unsigned get_allocator_ring_size_gt_min(unsigned           mini
 }
 
 /// \brief Retrieves how far in advance the scheduler can allocate resources in the UL resource grid.
-constexpr inline unsigned get_max_slot_ul_alloc_delay(unsigned ntn_cs_koffset)
+constexpr unsigned get_max_slot_ul_alloc_delay(unsigned ntn_cs_koffset)
 {
   return SCHEDULER_MAX_K0 + std::max(SCHEDULER_MAX_K1, SCHEDULER_MAX_K2 + MAX_MSG3_DELTA) + ntn_cs_koffset;
 }

lib/du/du_high/test_mode/mac_test_mode_adapter.cpp

@@ -55,9 +55,12 @@ class test_ue_mac_sdu_tx_builder_adapter : public mac_sdu_tx_builder
 
 size_t get_ring_size(const mac_cell_creation_request& cell_cfg)
 {
+  // Estimation of the time it takes the UL lower-layers to process and forward CRC/UCI indications.
+  constexpr static unsigned MAX_UL_PHY_DELAY = 40;
   // Note: The history ring size has to be a multiple of the TDD frame size in slots.
   // Number of slots managed by this container.
-  return get_allocator_ring_size_gt_min(get_max_slot_ul_alloc_delay(cell_cfg.sched_req.ntn_cs_koffset));
+  return get_allocator_ring_size_gt_min(get_max_slot_ul_alloc_delay(cell_cfg.sched_req.ntn_cs_koffset) +
+                                        MAX_UL_PHY_DELAY);
 }
 
 } // namespace