diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index f96c63f2bb22b2f15b50e1baafdd06b9339b96d5..a39cf35f6a8bdbf1fcae472ed430c418b0e1c0c2 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -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
diff --git a/openair1/PHY/LTE_TRANSPORT/if5_mobipass_tools.c b/openair1/PHY/LTE_TRANSPORT/if5_mobipass_tools.c
deleted file mode 100644
index ab60c2fb0f6dad94e61964178eb404a774949776..0000000000000000000000000000000000000000
--- a/openair1/PHY/LTE_TRANSPORT/if5_mobipass_tools.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*******************************************************************************
- OpenAirInterface
- Copyright(c) 1999 - 2014 Eurecom
-
- OpenAirInterface is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
-
- OpenAirInterface is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with OpenAirInterface.The full GNU General Public License is
- included in this distribution in the file called "COPYING". If not,
- see <http://www.gnu.org/licenses/>.
-
- Contact Information
- OpenAirInterface Admin: openair_admin@eurecom.fr
- OpenAirInterface Tech : openair_tech@eurecom.fr
- OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
-
- Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
-
- *******************************************************************************/
-
-/*! \file PHY/LTE_TRANSPORT/if5_mobipass_tools.c
-* \brief
-* \author S. Sandeep Kumar, Raymond Knopp
-* \date 2016
-* \version 0.1
-* \company Eurecom
-* \email: ee13b1025@iith.ac.in, knopp@eurecom.fr
-* \note
-* \warning
-*/
-
-#include "PHY/defs.h"
-
-#include "targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
-
-
-void send_IF5(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint8_t *seqno) {
-
- 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);
-
- 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;
- free(tx_buffer);
- return;
-}
diff --git a/openair1/PHY/LTE_TRANSPORT/if5_tools.c b/openair1/PHY/LTE_TRANSPORT/if5_tools.c
new file mode 100644
index 0000000000000000000000000000000000000000..ffa1df5863fa0c4e3943bc1302ab40671d5d664e
--- /dev/null
+++ b/openair1/PHY/LTE_TRANSPORT/if5_tools.c
@@ -0,0 +1,165 @@
+/*******************************************************************************
+ OpenAirInterface
+ Copyright(c) 1999 - 2014 Eurecom
+
+ OpenAirInterface is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+
+ OpenAirInterface is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with OpenAirInterface.The full GNU General Public License is
+ included in this distribution in the file called "COPYING". If not,
+ see <http://www.gnu.org/licenses/>.
+
+ Contact Information
+ OpenAirInterface Admin: openair_admin@eurecom.fr
+ OpenAirInterface Tech : openair_tech@eurecom.fr
+ OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
+
+ Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
+
+ *******************************************************************************/
+
+/*! \file PHY/LTE_TRANSPORT/if5_tools.c
+* \brief
+* \author S. Sandeep Kumar, Raymond Knopp
+* \date 2016
+* \version 0.1
+* \company Eurecom
+* \email: ee13b1025@iith.ac.in, knopp@eurecom.fr
+* \note
+* \warning
+*/
+
+#include "PHY/defs.h"
+
+#include "targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
+
+
+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;
+
+ 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;
+
+ 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);
+
+ } 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);
+ }
+
+ 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,
+ ×tamp[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;
+}
diff --git a/openair1/PHY/LTE_TRANSPORT/if5_mobipass_tools.h b/openair1/PHY/LTE_TRANSPORT/if5_tools.h
similarity index 90%
rename from openair1/PHY/LTE_TRANSPORT/if5_mobipass_tools.h
rename to openair1/PHY/LTE_TRANSPORT/if5_tools.h
index e9bc26f9a65a7906c5a9e66e0ba84fbc74828774..07d6865a54300f95da1eb94f0ad646858289ef7d 100644
--- a/openair1/PHY/LTE_TRANSPORT/if5_mobipass_tools.h
+++ b/openair1/PHY/LTE_TRANSPORT/if5_tools.h
@@ -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);
diff --git a/targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h b/targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h
index 86f580d911de88b2541520e1daf717e415b1e2c7..8fb84e37fc774fe3feb85e4c3f4df143e51bd47a 100644
--- a/targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h
+++ b/targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h
@@ -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
diff --git a/targets/RT/USER/lte-enb.c b/targets/RT/USER/lte-enb.c
index 7f8988dd0d4c1172d0cc2db828a1d97cd9f39797..9111fe42c6092b53c0f32c84c7867d1ca4813f2c 100644
--- a/targets/RT/USER/lte-enb.c
+++ b/targets/RT/USER/lte-enb.c
@@ -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 **** ///