From 2ee056bf4553aa2505d037a1467aa0f0bf7f6643 Mon Sep 17 00:00:00 2001
From: Guido Casati <hello@guidocasati.com>
Date: Fri, 4 Apr 2025 16:35:58 +0200
Subject: [PATCH] Add definition for maximum number of slices according to 3GPP
 specs

---
 common/platform_constants.h           | 2 ++
 openair2/COMMON/f1ap_messages_types.h | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/common/platform_constants.h b/common/platform_constants.h
index 2f54208306..3b59068a1f 100644
--- a/common/platform_constants.h
+++ b/common/platform_constants.h
@@ -80,6 +80,8 @@
 #define NB_RAB_MAX 11 /* from LTE_maxDRB in LTE_asn_constant.h */
 #define RAB_OFFSET 0x000F
 
+#define MAX_NUM_SLICES 1024
+
 // RLC Entity
 #define RLC_TX_MAXSIZE       10000000
 #define RLC_RX_MAXSIZE       10000000
diff --git a/openair2/COMMON/f1ap_messages_types.h b/openair2/COMMON/f1ap_messages_types.h
index 53740c1bde..14ad0b5dc7 100644
--- a/openair2/COMMON/f1ap_messages_types.h
+++ b/openair2/COMMON/f1ap_messages_types.h
@@ -25,6 +25,7 @@
 #include <netinet/in.h>
 #include <netinet/sctp.h>
 #include "common/5g_platform_types.h"
+#include "common/platform_constants.h"
 
 //-------------------------------------------------------------------------------------------//
 // Defines to access message fields.
@@ -140,7 +141,7 @@ typedef struct f1ap_served_cell_info_t {
 
   // Number of slice support items (max 16, could be increased to as much as 1024)
   uint16_t num_ssi;
-  nssai_t nssai[16];
+  nssai_t nssai[MAX_NUM_SLICES];
 
   f1ap_mode_t mode;
   union {