Commit 03f66cb8 authored by Sandeep Kumar's avatar Sandeep Kumar

handle prach rx for enb node functions

parent d7781f7a
......@@ -45,11 +45,11 @@
#include "PHY/TOOLS/ALAW/alaw_lut.h"
// Get device information
void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
int32_t **txdataF = eNB->common_vars.txdataF[0];
void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t packet_type) {
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
int32_t **txdataF = eNB->common_vars.txdataF[0];
uint16_t symbol_id, element_id;
uint16_t symbol_id, element_id;
uint16_t db_fulllength = 12*fp->N_RB_DL;
uint16_t db_halflength = db_fulllength>>1;
int slotoffsetF = (proc->subframe_tx)*(fp->ofdm_symbol_size)*((fp->Ncp==1) ? 12 : 14) + 1;
......@@ -58,7 +58,7 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
int16_t *data_block = (int16_t*)malloc(db_fulllength*sizeof(int16_t));
// Caller: RCC - DL *** handle RRU case - UL and PRACH ***
if (eNB->node_function == NGFI_RCC_IF4) {
if (packet_type == IF4_PDLFFT) {
IF4_dl_packet_t *dl_packet = (IF4_dl_packet_t*)malloc(sizeof_IF4_dl_packet_t);
gen_IF4_dl_packet(dl_packet, proc);
......@@ -93,7 +93,7 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
slotoffsetF += fp->ofdm_symbol_size;
blockoffsetF += fp->ofdm_symbol_size;
}
}else {
} else if (packet_type == IF4_PULFFT) {
IF4_ul_packet_t *ul_packet = (IF4_ul_packet_t*)malloc(sizeof_IF4_ul_packet_t);
gen_IF4_ul_packet(ul_packet, proc);
......@@ -101,7 +101,7 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
for (symbol_id=0; symbol_id<fp->symbols_per_tti; symbol_id++) {
// Do compression of the two parts and generate data blocks - rxdataF
// Do compression of the two parts and generate data blocks - rxdataF
for (element_id=0; element_id<db_halflength; element_id++) {
data_block[element_id] = lin2alaw[ (rxdataF[0][blockoffsetF+element_id] & 0xffff) + 32768 ];
data_block[element_id] |= lin2alaw[ (rxdataF[0][blockoffsetF+element_id]>>16) + 32768 ]<<8;
......@@ -118,19 +118,23 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
slotoffsetF += fp->ofdm_symbol_size;
blockoffsetF += fp->ofdm_symbol_size;
}
}
} else if (packet_type == IF4_PRACH) {
} else {
AssertFatal(1==0, "send_IF4 - Unknown packet_type %x", packet_type);
}
return;
}
void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, uint32_t *symbol_number) {
// Caller: RRU - DL *** handle RCC case - UL and PRACH ***
if (eNB->node_function == NGFI_RRU_IF4) {
printf("\n Recv IF4 for frame %d, subframe %d and symbol %d\n", proc->frame_tx, proc->subframe_tx, symbol_id);
*packet_type = 0;
int16_t *data_block=NULL;
// Read packet(s) from the fronthaul
// for(i=0; i<fp->symbols_per_tti; i++) {
// Read packet(s) from the fronthaul
// if (dev->eth_dev.trx_read_func (&dev->eth_dev,
// timestamp_rx,
// rx_eNB,
......@@ -139,16 +143,27 @@ void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, u
// ) < 0) {
// perror("RRU : ETHERNET read");
// }
// printf("\n Recv IF4 for frame %d, subframe %d and symbol %d\n", proc->frame_tx, proc->subframe_tx, symbol_id);
//*packet_type = ;
if (*packet_type == IF4_PDLFFT) {
// Apply reverse processing - decompression
// txAlawtolinear( Datablock )
// Generate and return the OFDM symbols (txdataF)
//txDataF
//}
}else {
// txDataF
}
} else if (*packet_type == IF4_PULFFT) {
} else if (*packet_type == IF4_PRACH) {
} else {
AssertFatal(1==0, "recv_IF4 - Unknown packet_type %x", *packet_type);
}
return;
}
void gen_IF4_dl_packet(IF4_dl_packet_t *dl_packet, eNB_rxtx_proc_t *proc) {
......
......@@ -181,6 +181,6 @@ void gen_IF4_ul_packet(IF4_ul_packet_t*, eNB_rxtx_proc_t*);
void gen_IF4_prach_packet(IF4_prach_packet_t*, eNB_rxtx_proc_t*);
void send_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*);
void send_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*, uint16_t);
void recv_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*, uint16_t*, uint32_t*);
This diff is collapsed.
......@@ -483,7 +483,7 @@ static void* eNB_thread_rxtx( void* param ) {
} else {
/// **** recv_IF4 of txdataF from RCC **** ///
//recv_IF4( eNB, proc, packet_type, symbol_number);
//recv_IF4(eNB, proc, packet_type, symbol_number);
}
}
......
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