New mallocs for dlsch struct

openair1/PHY/NR_TRANSPORT/nr_dlsch.c

@@ -194,8 +194,8 @@ uint8_t nr_generate_pdsch(NR_gNB_DLSCH_t dlsch,
   nfapi_nr_dl_config_dlsch_pdu_rel15_t *rel15 = &harq->dlsch_pdu.dlsch_pdu_rel15;
   nfapi_nr_dl_config_pdcch_parameters_rel15_t pdcch_params = dci_alloc.pdcch_params;
   uint32_t scrambled_output[NR_MAX_NB_CODEWORDS][NR_MAX_PDSCH_ENCODED_LENGTH>>5];
-  int16_t mod_symbs[NR_MAX_NB_CODEWORDS][NR_MAX_PDSCH_ENCODED_LENGTH>>1];
-  int16_t tx_layers[NR_MAX_NB_LAYERS][NR_MAX_PDSCH_ENCODED_LENGTH>>1];
+  int16_t **mod_symbs = (int16_t**)dlsch.mod_symbs;
+  int16_t **tx_layers = (int16_t**)dlsch.txdataF;
   uint16_t n_symbs;
   int8_t Wf[2], Wt[2], l0, delta;
   uint16_t TBS = rel15->transport_block_size;
@@ -243,10 +243,10 @@ for (int i=0; i<n_symbs; i++) {
 
 
   /// Layer mapping
-  nr_pdsch_layer_mapping((int16_t**)mod_symbs,
+  nr_pdsch_layer_mapping(mod_symbs,
                          rel15->nb_layers,
                          n_symbs,
-                         (int16_t**)tx_layers);
+                         tx_layers);
 
   /// Antenna port mapping
     //to be moved to init phase potentially, for now tx_layers 1-8 are mapped on antenna ports 1000-1007

openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c

@@ -106,15 +106,21 @@ void free_gNB_dlsch(NR_gNB_DLSCH_t *dlsch)
 
 }
 
-NR_gNB_DLSCH_t *new_gNB_dlsch(unsigned char Kmimo,unsigned char Mdlharq,uint32_t Nsoft,unsigned char N_RB_DL, uint8_t abstraction_flag, NR_DL_FRAME_PARMS* frame_parms)
+NR_gNB_DLSCH_t *new_gNB_dlsch(unsigned char Kmimo,
+                              unsigned char Mdlharq,
+                              uint32_t Nsoft,
+                              uint8_t abstraction_flag,
+                              NR_DL_FRAME_PARMS *frame_parms,
+                              nfapi_nr_config_request_t *config)
 {
 
   NR_gNB_DLSCH_t *dlsch;
   unsigned char exit_flag = 0,i,r,aa,layer;
   int re;
   unsigned char bw_scaling =1;
+  uint16_t N_RB = config->rf_config.dl_carrier_bandwidth.value;
 
-  switch (N_RB_DL) {
+  switch (N_RB) {
 
   case 106:
     bw_scaling =2;
@@ -134,19 +140,24 @@ NR_gNB_DLSCH_t *new_gNB_dlsch(unsigned char Kmimo,unsigned char Mdlharq,uint32_t
     dlsch->Mlimit = 4;
     dlsch->Nsoft = Nsoft;
 
-    for (layer=0; layer<4; layer++) {
-      dlsch->ue_spec_bf_weights[layer] = (int32_t**)malloc16(frame_parms->nb_antennas_tx*sizeof(int32_t*));
+    for (layer=0; layer<NR_MAX_NB_LAYERS; layer++) {
+      dlsch->ue_spec_bf_weights[layer] = (int32_t**)malloc16(config->rf_config.tx_antenna_ports.value*sizeof(int32_t*));
 
-       for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
+       for (aa=0; aa<config->rf_config.tx_antenna_ports.value; aa++) {
          dlsch->ue_spec_bf_weights[layer][aa] = (int32_t *)malloc16(OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES*sizeof(int32_t));
          for (re=0;re<OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES; re++) {
            dlsch->ue_spec_bf_weights[layer][aa][re] = 0x00007fff;
          }
        }
+
+      dlsch->txdataF[layer] = (int32_t *)malloc16((NR_MAX_PDSCH_ENCODED_LENGTH>>1)*sizeof(int32_t*));
      }
 
-     dlsch->calib_dl_ch_estimates = (int32_t**)malloc16(frame_parms->nb_antennas_tx*sizeof(int32_t*));
-     for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
+    for (int q=0; q<NR_MAX_NB_CODEWORDS; q++)
+      dlsch->mod_symbs[q] = (int32_t *)malloc16((NR_MAX_PDSCH_ENCODED_LENGTH>>1)*sizeof(int32_t*));
+
+     dlsch->calib_dl_ch_estimates = (int32_t**)malloc16(config->rf_config.tx_antenna_ports.value*sizeof(int32_t*));
+     for (aa=0; aa<config->rf_config.tx_antenna_ports.value; aa++) {
        dlsch->calib_dl_ch_estimates[aa] = (int32_t *)malloc16(OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES*sizeof(int32_t));
 
      }
@@ -158,7 +169,7 @@ NR_gNB_DLSCH_t *new_gNB_dlsch(unsigned char Kmimo,unsigned char Mdlharq,uint32_t
     for (i=0; i<Mdlharq; i++) {
       dlsch->harq_processes[i] = (NR_DL_gNB_HARQ_t *)malloc16(sizeof(NR_DL_gNB_HARQ_t));
       LOG_T(PHY, "Required mem size %d (bw scaling %d), dlsch->harq_processes[%d] %p\n",
-    		  MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling,bw_scaling, i,dlsch->harq_processes[i]);
+    		  MAX_NR_DLSCH_PAYLOAD_BYTES/bw_scaling,bw_scaling, i,dlsch->harq_processes[i]);
 
       if (dlsch->harq_processes[i]) {
         bzero(dlsch->harq_processes[i],sizeof(NR_DL_gNB_HARQ_t));

openair1/PHY/defs_gNB.h

@@ -105,9 +105,11 @@ typedef struct {
 typedef struct {
 
   /// Pointers to 16 HARQ processes for the DLSCH
-  NR_DL_gNB_HARQ_t *harq_processes[16];
+  NR_DL_gNB_HARQ_t *harq_processes[NR_MAX_NB_HARQ_PROCESSES];
   /// TX buffers for UE-spec transmission (antenna ports 5 or 7..14, prior to precoding)
-  int32_t *txdataF[8];
+  int32_t *txdataF[NR_MAX_NB_LAYERS];
+  /// Modulated symbols buffer
+  int32_t *mod_symbs[NR_MAX_NB_CODEWORDS];
   /// beamforming weights for UE-spec transmission (antenna ports 5 or 7..14), for each codeword, maximum 4 layers?
   int32_t **ue_spec_bf_weights[4];
   /// dl channel estimates (estimated from ul channel estimates)

openair1/PHY/defs_nr_common.h

@@ -88,6 +88,7 @@
 #define NR_MAX_NB_RBG 18
 #define NR_MAX_NB_LAYERS 8
 #define NR_MAX_NB_CODEWORDS 2
+#define NR_MAX_NB_HARQ_PROCESSES 16
 #define NR_MAX_PDSCH_ENCODED_LENGTH 950984
 
 typedef enum {

openair1/SIMULATION/NR_PHY/dlschsim.c

@@ -405,7 +405,7 @@ int main(int argc, char **argv)
   for (int k=0; k<2; k++) {
     // Create transport channel structures for 2 transport blocks (MIMO)
     for (i=0; i<2; i++) {
-      gNB->dlsch[k][i] = new_gNB_dlsch(Kmimo,8,Nsoft,N_RB_DL,0,&gNB->frame_parms);
+      gNB->dlsch[k][i] = new_gNB_dlsch(Kmimo,8,Nsoft,0,frame_parms,gNB_config);
 
       if (!gNB->dlsch[k][i]) {
         printf("Can't get eNB dlsch structures\n");

targets/RT/USER/nr-gnb.c

@@ -755,7 +755,7 @@ void init_nr_transport(PHY_VARS_gNB *gNB) {
   for (i=0; i<NUMBER_OF_UE_MAX; i++) {
     LOG_I(PHY,"Allocating Transport Channel Buffers for DLSCH, UE %d\n",i);
     for (j=0; j<2; j++) {
-      gNB->dlsch[i][j] = new_gNB_dlsch(1,16,NSOFT,cfg->rf_config.dl_carrier_bandwidth.value,0,fp);
+      gNB->dlsch[i][j] = new_gNB_dlsch(1,16,NSOFT,cfg->rf_config.dl_carrier_bandwidth.value,0,cfg);
       if (!gNB->dlsch[i][j]) {
 	LOG_E(PHY,"Can't get gNB dlsch structures for UE %d \n", i);
 	exit(-1);
@@ -784,11 +784,11 @@ void init_nr_transport(PHY_VARS_gNB *gNB) {
     LOG_E(PHY,"Can't get gNB ulsch structures\n");
     exit(-1);
   }*/
-  gNB->dlsch_SI  = new_gNB_dlsch(1,8,NSOFT,fp->N_RB_DL, 0, fp);
+  gNB->dlsch_SI  = new_gNB_dlsch(1,8,NSOFT, 0, fp, cfg);
   LOG_D(PHY,"gNB %d.%d : SI %p\n",gNB->Mod_id,gNB->CC_id,gNB->dlsch_SI);
-  gNB->dlsch_ra  = new_gNB_dlsch(1,8,NSOFT,fp->N_RB_DL, 0, fp);
+  gNB->dlsch_ra  = new_gNB_dlsch(1,8,NSOFT, 0, fp, cfg);
   LOG_D(PHY,"gNB %d.%d : RA %p\n",gNB->Mod_id,gNB->CC_id,gNB->dlsch_ra);
-  gNB->dlsch_MCH = new_gNB_dlsch(1,8,NSOFT,fp->N_RB_DL, 0, fp);
+  gNB->dlsch_MCH = new_gNB_dlsch(1,8,NSOFT, 0, fp, cfg);
   LOG_D(PHY,"gNB %d.%d : MCH %p\n",gNB->Mod_id,gNB->CC_id,gNB->dlsch_MCH);