Implement Static Slicing

cmake_targets/CMakeLists.txt

@@ -1830,6 +1830,7 @@ set (MAC_SRC
   ${MAC_DIR}/eNB_scheduler_fairRR.c
   ${MAC_DIR}/eNB_scheduler_phytest.c
   ${MAC_DIR}/pre_processor.c
+  ${MAC_DIR}/slicing/slicing.c
   ${MAC_DIR}/config.c
   ${MAC_DIR}/config_ue.c
  )

openair2/LAYER2/MAC/slicing/slicing.h

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*!
+ * \file   slicing.h
+ * \brief  General slice definition and helper parameters
+ * \author Robert Schmidt
+ * \date   2020
+ * \email  robert.schmidt@eurecom.fr
+ */
+
+#ifndef __SLICING_H__
+#define __SLICING_H__
+
+#include "openair2/LAYER2/MAC/mac.h"
+
+typedef struct slice_s {
+  /// Arbitrary ID
+  slice_id_t id;
+  /// Arbitrary label
+  char *label;
+
+  union {
+    default_sched_dl_algo_t dl_algo;
+    default_sched_ul_algo_t ul_algo;
+  };
+
+  /// A specific algorithm's implementation parameters
+  void *algo_data;
+  /// Internal data that might be kept alongside a slice's params
+  void *int_data;
+
+  // list of users in this slice
+  UE_list_t UEs;
+} slice_t;
+
+typedef struct slice_info_s {
+  uint8_t num;
+  slice_t **s;
+  uint8_t UE_assoc_slice[MAX_MOBILES_PER_ENB];
+} slice_info_t;
+
+int slicing_get_UE_slice_idx(slice_info_t *si, int UE_id);
+
+#define STATIC_SLICING 10
+/* only four static slices for UL, DL resp. (not enough DCIs) */
+#define MAX_STATIC_SLICES 4
+typedef struct {
+  uint16_t posLow;
+  uint16_t posHigh;
+} static_slice_param_t;
+pp_impl_param_t static_dl_init(module_id_t mod_id, int CC_id);
+pp_impl_param_t static_ul_init(module_id_t mod_id, int CC_id);
+
+
+#endif /* __SLICING_H__ */

openair2/LAYER2/MAC/slicing/slicing_internal.h

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*!
+ * \file   slicing_internal.h
+ * \brief  Internal slice helper functions
+ * \author Robert Schmidt
+ * \date   2020
+ * \email  robert.schmidt@eurecom.fr
+ */
+
+#ifndef __SLICING_INTERNAL_H__
+#define __SLICING_INTERNAL_H__
+
+#include "slicing.h"
+
+void slicing_add_UE(slice_info_t *si, int UE_id);
+
+void _remove_UE(slice_t **s, uint8_t *assoc, int UE_id);
+void slicing_remove_UE(slice_info_t *si, int UE_id);
+
+void _move_UE(slice_t **s, uint8_t *assoc, int UE_id, int to);
+void slicing_move_UE(slice_info_t *si, int UE_id, int idx);
+
+slice_t *_add_slice(uint8_t *n, slice_t **s);
+slice_t *_remove_slice(uint8_t *n, slice_t **s, uint8_t *assoc, int idx);
+
+#endif /* __SLICING_INTERNAL_H__ */