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);
63 ACTIVATION_IN_PROGRESS,
82 typedef struct f1setupRsp
84 uint32_t transId; /* Uniquely identify transaction */
85 char cuName[CU_DU_NAME_LEN_MAX]; /* CU Name */
86 F1RrcVersion rrcVersion; /* RRC version */
89 typedef struct f1DlRrcMsg
91 uint32_t gnbDuUeF1apId;
92 uint32_t gnbCuUeF1apId;
100 typedef struct gtpTnlCfg
102 uint32_t ulTnlAddress; /* remote Address */
103 uint32_t dlTnlAddress; /* local Address */
107 typedef struct upTnlCfg
109 ConfigType configType;
113 GtpTnlCfg *tnlCfg1; /* Tunnel 1 */
114 GtpTnlCfg *tnlCfg2; /* Tunnel 2 */
117 typedef struct duUeCfg
120 void *ueNrCapability;
121 uint8_t numRlcLcs; /* Rlc Ue Cfg */
122 RlcBearerCfg rlcLcCfg[MAX_NUM_LC];
123 uint8_t numMacLcs; /* Mac Ue Cfg */
124 LcCfg macLcCfg[MAX_NUM_LC];
127 UpTnlCfg upTnlInfo[MAX_NUM_DRB]; /* User plane TNL Info*/
130 typedef struct f1UeContextSetup
132 UeCtxtActionType actionType;
135 F1DlRrcMsg *dlRrcMsg;
138 typedef struct cellCfgParams
140 NrEcgi nrEcgi; /* ECGI */
141 uint16_t nrPci; /* PCI */
142 uint16_t fiveGsTac; /* 5gSTac */
143 Plmn plmn[MAX_PLMN]; /* List of serving PLMN IDs */
144 uint32_t maxUe; /* max UE per slot */
147 typedef struct duUeCb
149 F1UeContextSetupDb *f1UeDb;
151 uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
152 uint32_t gnbCuUeF1apId; /* GNB CU UE F1AP ID */
153 uint32_t drbBitMap; /* Drb Bit Map */
154 UeState ueState; /* UE Active/ Ue Inactive state */
155 MacUeCfg macUeCfg; /* Mac Ue Cfg */
156 RlcUeCfg rlcUeCfg; /* Rlc Ue Cfg */
159 typedef struct duCellCb
161 uint16_t cellId; /* Internal cell Id */
162 CellCfgParams cellInfo; /* Cell info */
163 /* pointer to store the address of macCellCfg params used to send du-app to MAC */
164 MacCellCfg *duMacCellCfg;
165 CellStatus cellStatus; /* Cell status */
166 uint32_t numActvUes; /* Total Active UEs */
167 DuUeCb ueCb[MAX_NUM_UE]; /* UE CONTEXT */
170 typedef struct duLSapCb
183 typedef struct ueCcchCtxt
185 uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
186 uint16_t crnti; /* CRNTI */
187 uint16_t cellId; /* Cell Id */
194 Mem mem; /* Memory configs */
195 TskInit init; /* DU Init */
196 //DuLSapCb **macSap; /* MAC SAP */
197 bool f1Status; /* Status of F1 connection */
198 bool e2Status; /* Status of E2 connection */
200 DuCellCb* cfgCellLst[MAX_NUM_CELL]; /* List of cells at DU APP of type DuCellCb */
201 uint8_t numActvCells;
202 DuCellCb* actvCellLst[MAX_NUM_CELL]; /* List of cells activated/to be activated of type DuCellCb */
203 uint32_t numUe; /* current number of UEs */
204 UeCcchCtxt ueCcchCtxt[MAX_NUM_UE]; /* mapping of gnbDuUeF1apId to CRNTI required for CCCH processing*/
205 uint8_t numDrb; /* current number of DRbs*/
206 UpTnlCfg* upTnlCfg[MAX_NUM_DRB]; /* tunnel info for every Drb */
210 typedef struct duLSapCfg
228 /* global variables */
230 //DuCfgParams duCfgParam;
232 /* DU Cell Functions */
233 uint8_t duActvInit(Ent entity, Inst inst, Region region, Reason reason);
234 uint8_t duActvTsk(Pst *pst, Buffer *mBuf);
235 uint8_t duSendRlcUlCfg();
236 uint8_t duSendRlcDlCfg();
237 uint8_t duBuildRlcCfg(Inst inst);
238 uint8_t duBuildRlcLsapCfg(Ent ent, Inst inst, uint8_t lsapInst);
239 uint8_t duBuildRlcUsapCfg(uint8_t elemId, Ent ent, Inst inst);
240 uint8_t DuHdlRlcCfgComplete(Pst *pst, RlcMngmt *cfm);
241 uint8_t duHdlRlcCntrlCfgComplete(Pst *pst, RlcMngmt *cfm);
242 uint8_t duProcRlcUlCfgComplete(Pst *pst, RlcMngmt *cfm);
243 uint8_t duProcRlcDlCfgComplete(Pst *pst, RlcMngmt *cfm);
244 uint8_t duSendMacCfg();
245 uint8_t duBuildMacGenCfg();
246 uint8_t duBuildMacUsapCfg(SpId sapId);
247 uint8_t duHdlMacCfgComplete(Pst *pst, RgMngmt *cfm);
248 uint8_t duBindUnbindRlcToMacSap(uint8_t inst, uint8_t action);
249 uint8_t duProcCfgComplete();
250 uint8_t duSendSchCfg();
251 uint8_t duSctpStartReq();
252 uint8_t duSctpNtfyHdl(Buffer *mBuf, CmInetSctpNotification *ntfy);
254 uint8_t duBuildEgtpCfgReq();
255 uint8_t duHdlEgtpCfgComplete(CmStatus cfm);
256 uint8_t duSendEgtpSrvOpenReq();
257 uint8_t duHdlEgtpSrvOpenComplete(CmStatus cfm);
258 uint8_t duSendEgtpTnlMgmtReq(uint8_t action, uint32_t teIdMod, GtpTnlCfg *tnlInfo);
259 uint8_t duSendEgtpDatInd(Buffer *mBuf);
260 uint8_t duHdlSchCfgComplete(Pst *pst, RgMngmt *cfm);
261 uint8_t duBuildAndSendMacCellStart();
262 uint8_t duBuildAndSendMacCellStop();
265 /**********************************************************************
267 **********************************************************************/