From 66555e18c77148f8eee8c97c30e663d717ba2837 Mon Sep 17 00:00:00 2001
From: Sakthivel Velumani <velumani@eurecom.fr>
Date: Mon, 2 Mar 2020 18:29:05 +0100
Subject: [PATCH] setting sf_ahead depending on slots duration
---
executables/nr-gnb.c | 4 ++--
executables/nr-ru.c | 5 +++--
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/executables/nr-gnb.c b/executables/nr-gnb.c
index 84aa00210db..e7af164877c 100644
--- a/executables/nr-gnb.c
+++ b/executables/nr-gnb.c
@@ -103,8 +103,8 @@ extern openair0_config_t openair0_cfg[MAX_CARDS];
extern int transmission_mode;
-uint16_t sf_ahead=3;
-uint16_t sl_ahead;
+extern uint16_t sf_ahead;
+extern uint16_t sl_ahead;
//pthread_t main_gNB_thread;
time_stats_t softmodem_stats_mt; // main thread
diff --git a/executables/nr-ru.c b/executables/nr-ru.c
index fdf07d4f79a..fe109884629 100644
--- a/executables/nr-ru.c
+++ b/executables/nr-ru.c
@@ -131,8 +131,8 @@ void configure_rru(int idx, void *arg);
int attach_rru(RU_t *ru);
int connect_rau(RU_t *ru);
-extern uint16_t sf_ahead;
-extern uint16_t sl_ahead;
+uint16_t sf_ahead;
+uint16_t sl_ahead;
extern int emulate_rf;
extern int numerology;
@@ -1454,6 +1454,7 @@ void *ru_thread( void *param ) {
}
}
+ sf_ahead = (uint16_t) ceil((float)6/(0x01<<fp->numerology_index));
LOG_I(PHY, "Signaling main thread that RU %d is ready\n",ru->idx);
pthread_mutex_lock(&RC.ru_mutex);
RC.ru_mask &= ~(1<<ru->idx);
--
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