1 /*******************************************************************************
2 ################################################################################
3 # Copyright (c) [2017-2019] [Radisys] #
5 # Licensed under the Apache License, Version 2.0 (the "License"); #
6 # you may not use this file except in compliance with the License. #
7 # You may obtain a copy of the License at #
9 # http://www.apache.org/licenses/LICENSE-2.0 #
11 # Unless required by applicable law or agreed to in writing, software #
12 # distributed under the License is distributed on an "AS IS" BASIS, #
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
14 # See the License for the specific language governing permissions and #
15 # limitations under the License. #
16 ################################################################################
17 *******************************************************************************/
19 /* This file contains message handling functionality for DU cell management */
33 #define DU_SAP_UNBOUND 1
34 #define DU_SAP_BINDING 2
35 #define DU_SAP_BOUND 3
44 #define RLC_MAC_SAP_CFG 2
45 #define RLC_UDX_SAP_CFG 4
51 #define DU_RLC_UL_CONFIGURED (RLC_GEN_CFG | \
52 RLC_MAC_SAP_CFG | RLC_UDX_SAP_CFG)
53 #define DU_RLC_DL_CONFIGURED DU_RLC_UL_CONFIGURED
55 #define MAC_CONFIGURED (MAC_GEN_CFG | MAC_SAP_CFG)
57 #define DU_SET_ZERO(_buf, _size) \
58 memset((_buf), 0, _size);
62 SLICE_INFO_NOT_AVAILABLE,
70 ACTIVATION_IN_PROGRESS,
79 UE_DELETION_IN_PROGRESS
91 typedef struct f1setupRsp
93 uint32_t transId; /* Uniquely identify transaction */
94 char cuName[CU_DU_NAME_LEN_MAX]; /* CU Name */
95 F1RrcVersion rrcVersion; /* RRC version */
98 typedef struct f1DlRrcMsg
100 uint32_t gnbDuUeF1apId;
101 uint32_t gnbCuUeF1apId;
104 bool deliveryStatRpt;
109 typedef struct gtpTnlCfg
111 uint32_t ulTnlAddress; /* remote Address */
112 uint32_t dlTnlAddress; /* local Address */
116 typedef struct upTnlCfg
118 ConfigType configType;
122 GtpTnlCfg *tnlCfg1; /* Tunnel 1 */
123 GtpTnlCfg *tnlCfg2; /* Tunnel 2 */
126 typedef struct duUeCfg
129 void *ueNrCapability;
130 uint8_t numRlcLcs; /* Rlc Ue Cfg */
131 RlcBearerCfg rlcLcCfg[MAX_NUM_LC];
132 uint8_t numMacLcs; /* Mac Ue Cfg */
133 LcCfg macLcCfg[MAX_NUM_LC];
136 UpTnlCfg upTnlInfo[MAX_NUM_DRB]; /* User plane TNL Info*/
137 MacUeCfg copyOfmacUeCfg;
140 typedef struct f1UeContextSetup
142 UeCtxtActionType actionType;
146 F1DlRrcMsg *dlRrcMsg;
149 typedef struct cellCfgParams
151 NrEcgi nrEcgi; /* ECGI */
152 uint16_t nrPci; /* PCI */
153 uint16_t fiveGsTac; /* 5gSTac */
154 Plmn plmn[MAX_PLMN]; /* List of serving PLMN IDs */
155 uint32_t maxUe; /* max UE per slot */
158 typedef struct duUeCb
160 F1UeContextSetupDb *f1UeDb;
162 uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
163 uint32_t gnbCuUeF1apId; /* GNB CU UE F1AP ID */
164 uint32_t drbBitMap; /* Drb Bit Map */
165 UeState ueState; /* UE Active/ Ue Inactive state */
166 MacUeCfg macUeCfg; /* Mac Ue Cfg */
167 RlcUeCfg rlcUeCfg; /* Rlc Ue Cfg */
170 typedef struct duCellCb
172 uint16_t cellId; /* Internal cell Id */
173 CellCfgParams cellInfo; /* Cell info */
174 /* pointer to store the address of macCellCfg params used to send du-app to MAC */
175 MacCellCfg *duMacCellCfg;
176 CellStatus cellStatus; /* Cell status */
177 uint32_t gnbDuUeF1apIdGenerator; /* Generating Du Ue F1ap Id */
178 uint32_t numActvUes; /* Total Active UEs */
179 DuUeCb ueCb[MAX_NUM_UE]; /* UE CONTEXT */
182 typedef struct duLSapCb
195 typedef struct ueCcchCtxt
197 uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
198 uint16_t crnti; /* CRNTI */
199 uint16_t cellId; /* Cell Id */
202 /* This structure is added to store the information about the F1AP pdu and
203 * transId so that It can be used in future */
204 typedef struct reservedF1apPduInfo
206 uint8_t transId; /* trans Id */
207 void *f1apMsg; /* msg structure */
208 }ReservedF1apPduInfo;
213 Mem mem; /* Memory configs */
214 TskInit init; /* DU Init */
215 bool f1Status; /* Status of F1 connection */
216 bool e2Status; /* Status of E2 connection */
217 uint8_t numCfgCells; /* number of configured cells */
218 DuCellCb* cfgCellLst[MAX_NUM_CELL]; /* List of cells at DU APP of type DuCellCb */
219 uint8_t numActvCells; /* Number of active cells */
220 DuCellCb* actvCellLst[MAX_NUM_CELL]; /* List of cells activated/to be activated of type DuCellCb */
221 uint32_t numUe; /* current number of UEs */
222 UeCcchCtxt ueCcchCtxt[MAX_NUM_UE]; /* mapping of gnbDuUeF1apId to CRNTI required for CCCH processing*/
223 uint8_t numDrb; /* current number of DRbs*/
224 UpTnlCfg* upTnlCfg[MAX_NUM_DRB]; /* tunnel info for every Drb */
225 CmLListCp reservedF1apPduList; /*storing F1AP pdu infomation and transId */
226 SliceCfgState sliceState;
230 typedef struct duLSapCfg
248 /* global variables */
250 //DuCfgParams duCfgParam;
252 /* DU Cell Functions */
253 uint8_t duActvInit(Ent entity, Inst inst, Region region, Reason reason);
254 uint8_t duActvTsk(Pst *pst, Buffer *mBuf);
255 uint8_t duSendRlcUlCfg();
256 uint8_t duSendRlcDlCfg();
257 uint8_t duBuildRlcCfg(Inst inst);
258 uint8_t duBuildRlcLsapCfg(Ent ent, Inst inst, uint8_t lsapInst);
259 uint8_t duBuildRlcUsapCfg(uint8_t elemId, Ent ent, Inst inst);
260 uint8_t DuHdlRlcCfgComplete(Pst *pst, RlcMngmt *cfm);
261 uint8_t duHdlRlcCntrlCfgComplete(Pst *pst, RlcMngmt *cfm);
262 uint8_t duProcRlcUlCfgComplete(Pst *pst, RlcMngmt *cfm);
263 uint8_t duProcRlcDlCfgComplete(Pst *pst, RlcMngmt *cfm);
264 uint8_t duSendMacCfg();
265 uint8_t duBuildMacGenCfg();
266 uint8_t duBuildMacUsapCfg(SpId sapId);
267 uint8_t duHdlMacCfgComplete(Pst *pst, RgMngmt *cfm);
268 uint8_t duBindUnbindRlcToMacSap(uint8_t inst, uint8_t action);
269 uint8_t duProcCfgComplete();
270 uint8_t duSendSchCfg();
271 uint8_t duSctpStartReq();
272 uint8_t duSctpNtfyHdl(Buffer *mBuf, CmInetSctpNotification *ntfy);
274 uint8_t duBuildEgtpCfgReq();
275 uint8_t duHdlEgtpCfgComplete(CmStatus cfm);
276 uint8_t duSendEgtpSrvOpenReq();
277 uint8_t duHdlEgtpSrvOpenComplete(CmStatus cfm);
278 uint8_t duSendEgtpTnlMgmtReq(uint8_t action, uint32_t teIdMod, GtpTnlCfg *tnlInfo);
279 uint8_t duSendEgtpDatInd(Buffer *mBuf);
280 uint8_t duHdlSchCfgComplete(Pst *pst, RgMngmt *cfm);
281 uint8_t duBuildAndSendMacCellStart();
282 uint8_t duBuildAndSendMacCellStop(uint16_t cellId);
285 /**********************************************************************
287 **********************************************************************/