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
92 typedef struct f1setupRsp
94 uint32_t transId; /* Uniquely identify transaction */
95 char cuName[CU_DU_NAME_LEN_MAX]; /* CU Name */
96 F1RrcVersion rrcVersion; /* RRC version */
99 typedef struct f1DlRrcMsg
101 uint32_t gnbDuUeF1apId;
102 uint32_t gnbCuUeF1apId;
105 bool deliveryStatRpt;
110 typedef struct gtpTnlCfg
112 uint32_t ulTnlAddress; /* remote Address */
113 uint32_t dlTnlAddress; /* local Address */
117 typedef struct upTnlCfg
119 ConfigType configType;
123 GtpTnlCfg *tnlCfg1; /* Tunnel 1 */
124 GtpTnlCfg *tnlCfg2; /* Tunnel 2 */
127 typedef struct duUeCfg
130 void *ueNrCapability;
131 uint8_t numRlcLcs; /* Rlc Ue Cfg */
132 RlcBearerCfg rlcLcCfg[MAX_NUM_LC];
133 uint8_t numMacLcs; /* Mac Ue Cfg */
134 LcCfg macLcCfg[MAX_NUM_LC];
137 UpTnlCfg upTnlInfo[MAX_NUM_DRB]; /* User plane TNL Info*/
138 uint8_t numDrbSetupMod; /*No. of DRB Added during Modification*/
139 MacUeCfg copyOfmacUeCfg;
142 typedef struct f1UeContextSetup
144 UeCtxtActionType actionType;
148 F1DlRrcMsg *dlRrcMsg;
151 typedef struct cellCfgParams
153 NrEcgi nrEcgi; /* ECGI */
154 uint16_t nrPci; /* PCI */
155 uint16_t fiveGsTac; /* 5gSTac */
156 Plmn plmn[MAX_PLMN]; /* List of serving PLMN IDs */
157 uint32_t maxUe; /* max UE per slot */
160 typedef struct duUeCb
162 F1UeContextSetupDb *f1UeDb;
164 uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
165 uint32_t gnbCuUeF1apId; /* GNB CU UE F1AP ID */
166 uint32_t drbBitMap; /* Drb Bit Map */
167 UeState ueState; /* UE Active/ Ue Inactive state */
168 MacUeCfg macUeCfg; /* Mac Ue Cfg */
169 RlcUeCfg rlcUeCfg; /* Rlc Ue Cfg */
172 typedef struct slotInfo
178 typedef struct duCellCb
180 uint16_t cellId; /* Internal cell Id */
181 CellCfgParams cellInfo; /* Cell info */
182 /* pointer to store the address of macCellCfg params used to send du-app to MAC */
183 MacCellCfg *duMacCellCfg;
184 CellStatus cellStatus; /* Cell status */
185 uint32_t numActvUes; /* Total Active UEs */
186 DuUeCb ueCb[MAX_NUM_UE]; /* UE CONTEXT */
187 SlotInfo currSlotInfo;
190 typedef struct duLSapCb
203 typedef struct ueCcchCtxt
205 uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
206 uint16_t crnti; /* CRNTI */
207 uint16_t cellId; /* Cell Id */
210 /* This structure is added to store the information about the F1AP pdu and
211 * transId so that It can be used in future */
212 typedef struct reservedF1apPduInfo
214 uint8_t transId; /* trans Id */
215 void *f1apMsg; /* msg structure */
216 }ReservedF1apPduInfo;
221 Mem mem; /* Memory configs */
222 TskInit init; /* DU Init */
223 bool f1Status; /* Status of F1 connection */
224 bool e2Status; /* Status of E2 connection */
225 uint8_t numCfgCells; /* number of configured cells */
226 DuCellCb* cfgCellLst[MAX_NUM_CELL]; /* List of cells at DU APP of type DuCellCb */
227 uint8_t numActvCells; /* Number of active cells */
228 DuCellCb* actvCellLst[MAX_NUM_CELL]; /* List of cells activated/to be activated of type DuCellCb */
229 uint32_t gnbDuUeF1apIdGenerator; /* Generating Du Ue F1ap Id */
230 uint32_t numUe; /* current number of UEs */
231 UeCcchCtxt ueCcchCtxt[MAX_NUM_UE]; /* mapping of gnbDuUeF1apId to CRNTI required for CCCH processing*/
232 uint8_t numTeId; /* current number of TEIDs configured in the system*/
233 UpTnlCfg* upTnlCfg[MAX_TEID]; /* tunnel info for every Drb */
234 CmLListCp reservedF1apPduList; /*storing F1AP pdu infomation and transId */
235 SliceCfgState sliceState;
236 F1SetupMsg f1SetupReqAndRspMsg;
240 typedef struct duLSapCfg
258 /* global variables */
260 //DuCfgParams duCfgParam;
262 /* DU Cell Functions */
263 uint8_t duActvInit(Ent entity, Inst inst, Region region, Reason reason);
264 uint8_t duActvTsk(Pst *pst, Buffer *mBuf);
265 uint8_t duSendRlcUlCfg();
266 uint8_t duSendRlcDlCfg();
267 uint8_t duBuildRlcCfg(Inst inst);
268 uint8_t duBuildRlcLsapCfg(Ent ent, Inst inst, uint8_t lsapInst);
269 uint8_t duBuildRlcUsapCfg(uint8_t elemId, Ent ent, Inst inst);
270 uint8_t DuHdlRlcCfgComplete(Pst *pst, RlcMngmt *cfm);
271 uint8_t duHdlRlcCntrlCfgComplete(Pst *pst, RlcMngmt *cfm);
272 uint8_t duProcRlcUlCfgComplete(Pst *pst, RlcMngmt *cfm);
273 uint8_t duProcRlcDlCfgComplete(Pst *pst, RlcMngmt *cfm);
274 uint8_t duSendMacCfg();
275 uint8_t duBuildMacGenCfg();
276 uint8_t duBuildMacUsapCfg(SpId sapId);
277 uint8_t duHdlMacCfgComplete(Pst *pst, RgMngmt *cfm);
278 uint8_t duBindUnbindRlcToMacSap(uint8_t inst, uint8_t action);
279 uint8_t duProcCfgComplete();
280 uint8_t duSendSchCfg();
281 uint8_t duSctpStartReq();
282 uint8_t duSctpNtfyHdl(Buffer *mBuf, CmInetSctpNotification *ntfy);
284 uint8_t duBuildEgtpCfgReq();
285 uint8_t duHdlEgtpCfgComplete(CmStatus cfm);
286 uint8_t duSendEgtpSrvOpenReq();
287 uint8_t duHdlEgtpSrvOpenComplete(CmStatus cfm);
288 uint8_t duSendEgtpTnlMgmtReq(uint8_t action, uint32_t teIdMod, GtpTnlCfg *tnlInfo);
289 uint8_t duSendEgtpDatInd(Buffer *mBuf);
290 uint8_t duHdlSchCfgComplete(Pst *pst, RgMngmt *cfm);
291 uint8_t duBuildAndSendMacCellStart();
292 uint8_t duBuildAndSendMacCellStop(uint16_t cellId);
295 /**********************************************************************
297 **********************************************************************/