Removed limit to the undelivered SDUs info queue in RLC AM. Printing a warning if the queue is getting large instead.

lib/include/srslte/upper/rlc_am_lte.h

@@ -187,7 +187,7 @@ private:
     srslte::timer_handler::unique_timer status_prohibit_timer;
 
     // SDU info for PDCP notifications
-    uint32_t                            pdcp_info_queue_capacity = 128;
+    uint32_t                            pdcp_info_queue_capacity = 512;
     std::map<uint32_t, pdcp_sdu_info_t> undelivered_sdu_info_queue;
 
     // Callback function for buffer status report

lib/src/upper/rlc_am_lte.cc

@@ -386,8 +386,8 @@ int rlc_am_lte::rlc_am_lte_tx::write_sdu(unique_byte_buffer_t sdu)
   }
 
   if (undelivered_sdu_info_queue.size() >= pdcp_info_queue_capacity) {
-    log->error("PDCP SDU info exceeds maximum queue capacity\n");
-    return SRSLTE_ERROR;
+    log->warning("Undelivered PDCP SDU info queue is growing large. Queue size: %ld\n",
+                 undelivered_sdu_info_queue.size());
   }
 
   undelivered_sdu_info_queue[info.sn] = info;