Commit b5fbdbe2 authored by Sandeep Kumar's avatar Sandeep Kumar

test if5 send from BBU with new spp

parent 8dcc3ddb
......@@ -963,7 +963,7 @@ set(PHY_SRC
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/print_stats.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/initial_sync.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/if4_tools.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/if5_mobipass_tools.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/if5_tools.c
${OPENAIR1_DIR}/PHY/MODULATION/ofdm_mod.c
${OPENAIR1_DIR}/PHY/MODULATION/slot_fep.c
${OPENAIR1_DIR}/PHY/MODULATION/slot_fep_mbsfn.c
......
......@@ -27,7 +27,7 @@
*******************************************************************************/
/*! \file PHY/LTE_TRANSPORT/if5_mobipass_tools.c
/*! \file PHY/LTE_TRANSPORT/if5_tools.c
* \brief
* \author S. Sandeep Kumar, Raymond Knopp
* \date 2016
......@@ -43,57 +43,123 @@
#include "targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
void send_IF5(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint8_t *seqno) {
void send_IF5(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint8_t *seqno, uint16_t packet_type) {
LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
void *txp[fp->nb_antennas_tx];
void *tx_buffer=NULL;
__m128i *data_block=NULL, *data_block_head=NULL;
__m128i *txp128;
__m128i t0, t1;
uint16_t packet_id=0, i;
uint16_t db_fulllength=640;
tx_buffer = memalign(16, MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
IF5_mobipass_header_t *header = (IF5_mobipass_header_t *)(tx_buffer + MAC_HEADER_SIZE_BYTES);
data_block_head = (__m128i *)(tx_buffer + MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + 4);
uint16_t packet_id=0, i=0;
header->flags = 0;
header->fifo_status = 0;
header->seqno = *seqno;
header->ack = 0;
header->word0 = 0;
txp[0] = (void*)&eNB->common_vars.txdata[0][0][proc->subframe_tx*eNB->frame_parms.samples_per_tti];
txp128 = (__m128i *) txp[0];
for (packet_id=0; packet_id<(fp->samples_per_tti*2)/db_fulllength; packet_id++) {
header->time_stamp = proc->timestamp_tx + packet_id * db_fulllength;
data_block = data_block_head;
for (i=0; i<db_fulllength>>3; i+=2) {
t0 = _mm_srli_epi16(*txp128++, 4);
t1 = _mm_srli_epi16(*txp128++, 4);
*data_block++ = _mm_packs_epi16(t0, t1);
}
if (packet_type == IF5_RRH_GW) {
unsigned int spp_eth = eNB->ifdevice.openair0_cfg->samples_per_packet;
unsigned int spsf = eNB->ifdevice.openair0_cfg->samples_per_frame/10;
// Write the packet to the fronthaul
if ((eNB->ifdevice.trx_write_func(&eNB->ifdevice,
packet_id,
&tx_buffer,
db_fulllength,
1,
IF5_MOBIPASS)) < 0) {
perror("ETHERNET write for IF5_MOBIPASS\n");
for (i=0; i < fp->nb_antennas_tx; i++)
txp[i] = (void*)&eNB->common_vars.txdata[0][i][proc->subframe_tx*fp->samples_per_tti];
for (packet_id=0; packet_id < spsf / spp_eth; packet_id++) {
eNB->ifdevice.trx_write_func(&eNB->ifdevice,
(proc->timestamp_tx-eNB->ifdevice.openair0_cfg->tx_sample_advance + packet_id*spp_eth),
txp,
spp_eth,
fp->nb_antennas_tx,
0);
}
printf("SPP = %d and packet_id %d\n", spp_eth, packet_id);
header->seqno += 1;
}
} else if (packet_type == IF5_MOBIPASS) {
uint16_t db_fulllength=640;
__m128i *data_block=NULL, *data_block_head=NULL;
__m128i *txp128;
__m128i t0, t1;
tx_buffer = memalign(16, MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
IF5_mobipass_header_t *header = (IF5_mobipass_header_t *)(tx_buffer + MAC_HEADER_SIZE_BYTES);
data_block_head = (__m128i *)(tx_buffer + MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + 4);
header->flags = 0;
header->fifo_status = 0;
header->seqno = *seqno;
header->ack = 0;
header->word0 = 0;
txp[0] = (void*)&eNB->common_vars.txdata[0][0][proc->subframe_tx*eNB->frame_parms.samples_per_tti];
txp128 = (__m128i *) txp[0];
for (packet_id=0; packet_id<(fp->samples_per_tti*2)/db_fulllength; packet_id++) {
header->time_stamp = proc->timestamp_tx + packet_id * db_fulllength;
data_block = data_block_head;
for (i=0; i<db_fulllength>>3; i+=2) {
t0 = _mm_srli_epi16(*txp128++, 4);
t1 = _mm_srli_epi16(*txp128++, 4);
*data_block++ = _mm_packs_epi16(t0, t1);
}
// Write the packet to the fronthaul
if ((eNB->ifdevice.trx_write_func(&eNB->ifdevice,
packet_id,
&tx_buffer,
db_fulllength,
1,
IF5_MOBIPASS)) < 0) {
perror("ETHERNET write for IF5_MOBIPASS\n");
}
header->seqno += 1;
}
*seqno = header->seqno;
} else {
AssertFatal(1==0, "send_IF5 - Unknown packet_type %x", packet_type);
}
*seqno = header->seqno;
free(tx_buffer);
return;
}
void recv_IF5(PHY_VARS_eNB *eNB, eNB_proc_t *proc, uint16_t packet_type) {
LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
void *rxp[fp->nb_antennas_rx];
void *rx_buffer=NULL;
uint16_t packet_id=0, i=0;
if (packet_type == IF5_RRH_GW) {
unsigned int spp_eth = eNB->ifdevice.openair0_cfg->samples_per_packet;
unsigned int spsf = eNB->ifdevice.openair0_cfg->samples_per_frame/10;
openair0_timestamp timestamp[spsf / spp_eth];
for (i=0; i < fp->nb_antennas_rx; i++)
rxp[i] = (void*)&eNB->common_vars.rxdata[0][i][proc->subframe_rx*fp->samples_per_tti];
for (packet_id=0; packet_id < spsf / spp_eth; packet_id++) {
eNB->ifdevice.trx_read_func(&eNB->ifdevice,
&timestamp[packet_id],
rxp,
spp_eth,
fp->nb_antennas_rx);
}
// proc->timestamp_rx = timestamp[0];
} else if (packet_type == IF5_MOBIPASS) {
} else {
AssertFatal(1==0, "recv_IF5 - Unknown packet_type %x", packet_type);
}
free(rx_buffer);
return;
}
......@@ -27,7 +27,7 @@
*******************************************************************************/
/*! \file PHY/LTE_TRANSPORT/if5_mobipass_tools.h
/*! \file PHY/LTE_TRANSPORT/if5_tools.h
* \brief
* \author S. Sandeep Kumar, Raymond Knopp
* \date 2016
......@@ -41,6 +41,7 @@
#include <stdint.h>
#include "PHY/defs.h"
#define IF5_RRH_GW 0x0022
#define IF5_MOBIPASS 0xbffe
struct IF5_mobipass_header {
......@@ -62,4 +63,6 @@ struct IF5_mobipass_header {
typedef struct IF5_mobipass_header IF5_mobipass_header_t;
#define sizeof_IF5_mobipass_header_t 14
void send_IF5(PHY_VARS_eNB*, eNB_rxtx_proc_t*, uint8_t*);
void send_IF5(PHY_VARS_eNB*, eNB_rxtx_proc_t*, uint8_t*, uint16_t);
void recv_IF5(PHY_VARS_eNB*, eNB_proc_t*, uint16_t);
......@@ -42,7 +42,7 @@
#include <stdint.h>
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#include "PHY/LTE_TRANSPORT/if5_mobipass_tools.h"
#include "PHY/LTE_TRANSPORT/if5_tools.h"
// ETH transport preference modes
#define ETH_UDP_MODE 0
......
......@@ -69,7 +69,7 @@
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#include "PHY/LTE_TRANSPORT/if5_mobipass_tools.h"
#include "PHY/LTE_TRANSPORT/if5_tools.h"
#include "PHY/extern.h"
#include "SCHED/extern.h"
......@@ -549,7 +549,7 @@ static void* eNB_thread_rxtx( void* param ) {
} else if (PHY_vars_eNB_g[0][proc->CC_id]->node_function == eNodeB_3GPP_BBU) {
/// **** trx_write_func to IF device **** ///
send_IF5(PHY_vars_eNB_g[0][proc->CC_id], proc, &seqno);
send_IF5(PHY_vars_eNB_g[0][proc->CC_id], proc, &seqno, IF5_RRH_GW);
} else {
/// **** send_IF4 of txdataF to RRU **** ///
......
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