feat(ldpc-offload-xdma): original commit with ldpc-offload-xdma, library omitted

CMakeLists.txt

@@ -2018,7 +2018,7 @@ set (SIMUSRC
   ${OPENAIR1_DIR}/SIMULATION/RF/adc.c
 )
 add_library(SIMU STATIC ${SIMUSRC} )
-target_link_libraries(SIMU PRIVATE cblas)
+target_link_libraries(SIMU PRIVATE blas)
 target_include_directories(SIMU PUBLIC ${OPENAIR1_DIR}/SIMULATION/TOOLS ${OPENAIR1_DIR}/SIMULATION/RF)
 
 # Qt-based scope
@@ -2241,6 +2241,9 @@ target_link_libraries(lte-uesoftmodem PRIVATE
 # nr-softmodem
 ###################################################
 
+include_directories(${OPENAIR_DIR}/cmake_targets/xdma_driver) #Include header path
+link_directories(${OPENAIR_DIR}/cmake_targets/xdma_driver)    #Link STATIC Library path
+
 add_executable(nr-softmodem
   ${rrc_h}
   ${nr_rrc_h}
@@ -2277,7 +2280,7 @@ target_link_libraries(nr-softmodem PRIVATE
   ITTI ${NAS_UE_LIB} lte_rrc nr_rrc
   ngap s1ap L2_LTE_NR L2_NR MAC_NR_COMMON NFAPI_COMMON_LIB NFAPI_LIB NFAPI_VNF_LIB NFAPI_PNF_LIB NFAPI_USER_LIB SIMU SIMU_ETH
   x2ap f1ap m2ap m3ap e1ap
-  -Wl,--end-group z dl)
+  -Wl,--end-group z dl fpga_ldpc)
 
 target_link_libraries(nr-softmodem PRIVATE pthread m CONFIG_LIB rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} sctp ${ATLAS_LIBRARIES})
 target_link_libraries(nr-softmodem PRIVATE ${T_LIB})
@@ -2441,7 +2444,7 @@ add_executable(nr_dlschsim
   )
 target_link_libraries(nr_dlschsim PRIVATE
   -Wl,--start-group UTIL SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB CONFIG_LIB MAC_NR_COMMON -Wl,--end-group
-  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl
+  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl fpga_ldpc
   )
 target_link_libraries(nr_dlschsim PRIVATE asn1_nr_rrc_hdrs)
 
@@ -2459,7 +2462,7 @@ add_executable(nr_pbchsim
   )
 target_link_libraries(nr_pbchsim PRIVATE
   -Wl,--start-group UTIL SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB CONFIG_LIB MAC_NR_COMMON -Wl,--end-group
-  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl
+  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl fpga_ldpc
 )
 target_link_libraries(nr_pbchsim PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs)
 
@@ -2479,7 +2482,7 @@ add_executable(nr_pucchsim
   )
 target_link_libraries(nr_pucchsim PRIVATE
   -Wl,--start-group UTIL SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB CONFIG_LIB MAC_NR_COMMON -Wl,--end-group
-  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl
+  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl fpga_ldpc
 )
 target_link_libraries(nr_pucchsim PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs)
 
@@ -2504,7 +2507,7 @@ add_executable(nr_dlsim
   )
 target_link_libraries(nr_dlsim PRIVATE
   -Wl,--start-group UTIL SIMU SIMU_ETH PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON nr_rrc CONFIG_LIB L2_NR HASHTABLE x2ap SECU_CN ngap -lz -Wl,--end-group
-  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl
+  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl fpga_ldpc
   )
 target_link_libraries(nr_dlsim PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs)
 
@@ -2522,7 +2525,7 @@ add_executable(nr_prachsim
   ${SHLIB_LOADER_SOURCES})
 target_link_libraries(nr_prachsim PRIVATE
   -Wl,--start-group UTIL SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_RU PHY_NR_UE MAC_NR_COMMON SCHED_NR_LIB CONFIG_LIB -lz -Wl,--end-group
-  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl)
+  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl fpga_ldpc)
 target_link_libraries(nr_prachsim PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs)
 
 add_executable(nr_ulschsim
@@ -2542,7 +2545,7 @@ add_executable(nr_ulschsim
   )
 target_link_libraries(nr_ulschsim PRIVATE
   -Wl,--start-group UTIL SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB CONFIG_LIB MAC_NR_COMMON -Wl,--end-group
-  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl
+  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI dl fpga_ldpc
 )
 target_link_libraries(nr_ulschsim PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs)
 
@@ -2572,7 +2575,7 @@ endif()
 
 target_link_libraries(nr_ulsim PRIVATE
   -Wl,--start-group UTIL SIMU SIMU_ETH PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON nr_rrc CONFIG_LIB L2_NR HASHTABLE x2ap SECU_CN ngap -lz -Wl,--end-group
-  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl
+  m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl fpga_ldpc
   )
 target_link_libraries(nr_ulsim PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs)
 

openair1/PHY/defs_gNB.h

@@ -685,6 +685,7 @@ typedef struct PHY_VARS_gNB_s {
   uint32_t ofdm_offset_divisor;
 
   int ldpc_offload_flag;
+  int ldpc_fpga_flag; // Xilinx 8038 FPGA Hardware(by VT)
 
   int max_ldpc_iterations;
   /// indicate the channel estimation technique in time domain
@@ -750,6 +751,7 @@ typedef struct PHY_VARS_gNB_s {
   time_stats_t ulsch_rbs_extraction_stats;
   time_stats_t ulsch_mrc_stats;
   time_stats_t ulsch_llr_stats;
+  time_stats_t ulsch_ldpc_fpga_time_stats;
   time_stats_t rx_srs_stats;
   time_stats_t generate_srs_stats;
   time_stats_t get_srs_signal_stats;

openair1/SIMULATION/NR_PHY/ulsim.c

@@ -209,6 +209,7 @@ int main(int argc, char *argv[])
   double effTP;
   float eff_tp_check = 100;
   int ldpc_offload_flag = 0;
+  int fpga_optional = 0; // FPGA 8038
   uint8_t max_rounds = 4;
   int chest_type[2] = {0};
   int enable_ptrs = 0;
@@ -361,8 +362,12 @@ int main(int argc, char *argv[])
       n_trials = atoi(optarg);
       break;
 
+//    case 'o':
+//      ldpc_offload_flag = 1;
+//      break;
+
     case 'o':
-      ldpc_offload_flag = 1;
+      fpga_optional = 1;
       break;
       
     case 'p':
@@ -688,6 +693,7 @@ int main(int argc, char *argv[])
 
 //  nr_phy_config_request_sim(gNB,N_RB_DL,N_RB_DL,mu,0,0x01);
   gNB->ldpc_offload_flag = ldpc_offload_flag;
+  gNB->ldpc_fpga_flag = fpga_optional; // FPGA Xilinx 8038
   gNB->chest_freq = chest_type[0];
   gNB->chest_time = chest_type[1];
 
@@ -880,7 +886,8 @@ int main(int argc, char *argv[])
 
   ulsch_input_buffer[0] = 0x31;
   for (i = 1; i < TBS/8; i++) {
-    ulsch_input_buffer[i] = (unsigned char) rand();
+    //ulsch_input_buffer[i] = (unsigned char) rand();
+    ulsch_input_buffer[i] = i & 0xff;
   }
 
   uint8_t ptrs_time_density = get_L_ptrs(ptrs_mcs1, ptrs_mcs2, ptrs_mcs3, Imcs, mcs_table);