From 2cc779b9302e3ba3ea3b0a25b7ac2ddfd4aee74e Mon Sep 17 00:00:00 2001
From: Sandeep Kumar <ee13b1025@iith.ac.in>
Date: Mon, 13 Jun 2016 18:27:42 +0200
Subject: [PATCH] added macros for packet_type
---
openair1/PHY/LTE_TRANSPORT/if4_tools.c | 48 ++++++++++++++++++++------
openair1/PHY/LTE_TRANSPORT/if4_tools.h | 6 +++-
2 files changed, 42 insertions(+), 12 deletions(-)
diff --git a/openair1/PHY/LTE_TRANSPORT/if4_tools.c b/openair1/PHY/LTE_TRANSPORT/if4_tools.c
index e75a8675e9..cf41812c19 100644
--- a/openair1/PHY/LTE_TRANSPORT/if4_tools.c
+++ b/openair1/PHY/LTE_TRANSPORT/if4_tools.c
@@ -45,6 +45,7 @@
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#endif
+// Get device information
void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
int frame = proc->frame_tx;
int subframe = proc->subframe_tx;
@@ -73,8 +74,15 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
// Update information in generated packet
dl_packet->frame_status.sym_num = i;
- // Write the packet(s) to the fronthaul
-
+ // Write the packet(s) to the fronthaul
+ //if ((bytes_sent = dev->eth_dev.trx_write_func (&dev->eth_dev,
+ // timestamp_rx,
+ // rx_eNB,
+ // spp_eth,
+ // dev->eth_dev.openair0_cfg->rx_num_channels,
+ // 0)) < 0) {
+ // perror("RCC : ETHERNET write");
+ //}
}
}else {
IF4_ul_packet_t *ul_packet = (IF4_ul_packet_t*)malloc(sizeof_IF4_ul_packet_t);
@@ -102,20 +110,38 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
- // Read packet(s) from the fronthaul
+ // Caller: RRU - DL *** handle RCC case - UL and PRACH ***
+
+ if (eNB->node_function == NGFI_RRU_IF4) {
- // Apply reverse processing - decompression
- // Generate and return the OFDM symbols (txdataF)
-
- // Caller: RRU - DL *** handle RCC case - UL and PRACH ***
-
+
+ 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,
+ spp_eth,
+ dev->eth_dev.openair0_cfg->rx_num_channels
+ ) < 0) {
+ perror("RRU : ETHERNET read");
+ }
+
+ // Apply reverse processing - decompression
+ // txAlawtolinear( Datablock )
+
+ // Generate and return the OFDM symbols (txdataF)
+ txDataF
+ }
+ }else {
+
+ }
}
void gen_IF4_dl_packet(IF4_dl_packet_t *dl_packet, eNB_rxtx_proc_t *proc) {
// Set Type and Sub-Type
dl_packet->type = 0x080A;
- dl_packet->sub_type = 0x0020;
+ dl_packet->sub_type = IF4_PDLFFT;
// Leave reserved as it is
dl_packet->rsvd = 0;
@@ -135,7 +161,7 @@ void gen_IF4_dl_packet(IF4_dl_packet_t *dl_packet, eNB_rxtx_proc_t *proc) {
void gen_IF4_ul_packet(IF4_ul_packet_t *ul_packet, eNB_rxtx_proc_t *proc) {
// Set Type and Sub-Type
ul_packet->type = 0x080A;
- ul_packet->sub_type = 0x0019;
+ ul_packet->sub_type = IF4_PULFFT;
// Leave reserved as it is
ul_packet->rsvd = 0;
@@ -159,7 +185,7 @@ void gen_IF4_ul_packet(IF4_ul_packet_t *ul_packet, eNB_rxtx_proc_t *proc) {
void gen_IF4_prach_packet(IF4_prach_packet_t *prach_packet, eNB_rxtx_proc_t *proc) {
// Set Type and Sub-Type
prach_packet->type = 0x080A;
- prach_packet->sub_type = 0x0021;
+ prach_packet->sub_type = IF4_PRACH;
// Leave reserved as it is
prach_packet->rsvd = 0;
diff --git a/openair1/PHY/LTE_TRANSPORT/if4_tools.h b/openair1/PHY/LTE_TRANSPORT/if4_tools.h
index 819aca58d6..91a9e93d79 100644
--- a/openair1/PHY/LTE_TRANSPORT/if4_tools.h
+++ b/openair1/PHY/LTE_TRANSPORT/if4_tools.h
@@ -38,6 +38,10 @@
* \warning
*/
+#define IF4_PULFFT 0x0019
+#define IF4_PDLFFT 0x0020
+#define IF4_PRACH 0x0021
+
/// IF4 Frame Status (32 bits)
struct IF4_frame_status {
/// Antenna Numbers
@@ -175,4 +179,4 @@ void gen_IF4_prach_packet(IF4_prach_packet_t*, eNB_rxtx_proc_t*);
void send_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*);
-void recv_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*);
+void recv_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*, int*, int*);
--
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