lib,rlc_am_nr: made mod_nr configurable

lib/include/srsran/rlc/rlc_am_nr.h

@@ -25,8 +25,6 @@
 #include <pthread.h>
 #include <queue>
 
-const uint32_t mod_nr = 4096;
-
 namespace srsran {
 
 /******************************
@@ -106,6 +104,7 @@ private:
   rlc_am*       parent = nullptr;
   rlc_am_nr_rx* rx     = nullptr;
 
+  uint32_t       mod_nr = 4096;
   inline int32_t tx_mod_base_nr(uint32_t sn) { return ((int32_t)sn - (int32_t)st.tx_next_ack) % mod_nr; }
 
   /****************************************************************************
@@ -170,6 +169,7 @@ private:
   rlc_am_nr_tx*     tx     = nullptr;
   byte_buffer_pool* pool   = nullptr;
 
+  uint32_t       mod_nr = 4096;
   inline int32_t rx_mod_base_nr(uint32_t sn) { return ((int32_t)sn - (int32_t)rx_next) % mod_nr; }
 
   // RX Window

lib/src/rlc/rlc_am_nr.cc

@@ -49,6 +49,9 @@ bool rlc_am_nr_tx::configure(const rlc_config_t& cfg_)
       return false;
     }
   */
+
+  mod_nr = (cfg.tx_sn_field_length == rlc_am_nr_sn_size_t::size12bits) ? 4096 : 262144;
+
   tx_enabled = true;
 
   return true;
@@ -426,6 +429,7 @@ bool rlc_am_nr_rx::configure(const rlc_config_t& cfg_)
     logger->info("Configured reassembly timer. t-Reassembly=%d ms", cfg.t_reassembly);
   }
 
+  mod_nr = (cfg.rx_sn_field_length == rlc_am_nr_sn_size_t::size12bits) ? 4096 : 262144;
   return true;
 }