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 /* Defines APIs exchanged between du_app and cl module of RLC */
24 #define EVENT_RLC_UE_CREATE_REQ 210
25 #define EVENT_RLC_UE_CREATE_RSP 211 /*!< Config Confirm */
26 #define EVENT_UL_RRC_MSG_TRANS_TO_DU 212
27 #define EVENT_DL_RRC_MSG_TRANS_TO_RLC 213
28 #define EVENT_RRC_DELIVERY_MSG_TRANS_TO_DU 214
29 #define EVENT_RLC_UE_RECONFIG_REQ 215
30 #define EVENT_RLC_UE_RECONFIG_RSP 216
31 #define EVENT_DL_RRC_MSG_RSP_TO_DU 217
32 #define EVENT_DL_USER_DATA_TRANS_TO_DU 218
33 #define EVENT_UL_USER_DATA_TRANS_TO_DU 219
38 #define RB_TYPE_SRB 0 /* Signalling Radio Bearer */
39 #define RB_TYPE_DRB 1 /* Data Radio Bearer */
41 /* RLC Direction Config */
42 #define RLC_CFG_DIR_UL 1 /*!< Uplink direction */
43 #define RLC_CFG_DIR_DL 2 /*!< Downlink direction */
44 #define RLC_CFG_DIR_BOTH 3 /*!< Both Downlink and Uplink Direction*/
47 /* Logical Channel Type */
48 #define LCH_BCCH 1 /*!< BCCH Logical Channel */
49 #define LCH_PCCH 2 /*!< PCCH Logical Channel */
50 #define LCH_CCCH 3 /*!< CCCH Logical Channel */
51 #define LCH_DTCH 4 /*!< DTCH Logical Channel */
52 #define LCH_DCCH 5 /*!< DCCH Logical Channel */
56 TRANSMISSION_IN_PROGRESS,
57 TRANSMISSION_COMPLETE,
63 RLC_CFG_REAS_NONE , /*!< No Failure */
64 RLC_CFG_REAS_RB_CREAT_FAIL , /*!< RB CB creation Failure */
65 RLC_CFG_REAS_UE_CREAT_FAIL , /*!< UE CB creation Failure */
66 RLC_CFG_REAS_CELL_CREAT_FAIL , /*!< CELL CB creation Failure */
67 RLC_CFG_REAS_RB_PRSNT , /*!< RB CB already present */
68 RLC_CFG_REAS_LCHTYPE_MIS , /*!< Logical channel type mismatch */
69 RLC_CFG_REAS_RB_UNKWN , /*!< RB Cb unknown */
70 RLC_CFG_REAS_UE_UNKWN , /*!< UE Cb unknown */
71 RLC_CFG_REAS_CELL_UNKWN , /*!< Cell Cb unknown */
72 RLC_CFG_REAS_RB_DEL_FAIL , /*!< RB Cb Deletion Failure */
73 RLC_CFG_REAS_UE_DEL_FAIL , /*!< UE Cb Deletion Failure */
74 RLC_CFG_REAS_RB_REEST_FAIL , /*!< RB Cb Re establish Failure */
75 RLC_CFG_REAS_RB_MODE_MIS , /*!< RB Cb Mode mismatch */
76 RLC_CFG_REAS_REEST_FAIL , /*!< RB Cb Re-establishment Failed */
77 RLC_CFG_REAS_RECFG_FAIL , /*!< RB Cb Re-configuration Failed */
78 RLC_CFG_REAS_INVALID_CFG , /*!< Invalid Configuration Type */
79 RLC_CFG_REAS_SAME_UEID , /*!< UE Ids match in ChngUeId Request */
80 RLC_CFG_REAS_CELL_DEL_FAIL , /*!< Cell Cb Deletion Failure */
81 RLC_CFG_REAS_INVALID_LCHID , /*!< Invalid LChId */
82 RLC_CFG_REAS_INVALID_DIR , /*!< Invalid Direction */
83 RLC_CFG_REAS_UE_EXISTS , /*!< UE ID already exists */
84 RLC_CFG_REAS_INVALID_SNLEN , /*!< Invalid SN Length */
85 RLC_CFG_REAS_SNLEN_MIS , /*!< SN Length mismatch */
86 RLC_CFG_REAS_INVALID_RGUSAP /*!< Invalid RGU SAP ID */
91 RLC_AM, //Acknowledged Mode
92 RLC_UM_BI_DIRECTIONAL, //UnAcknowledged Mode
93 RLC_UM_UNI_DIRECTIONAL_UL,
94 RLC_UM_UNI_DIRECTIONAL_DL
115 typedef struct ulAmCfg
117 SnLenAm snLenUl; /* Sequence Number length in bits. Allowed values are 12 and 18 */
118 int8_t reAssemTmr; /* T_reassembling Timer in msec*/
119 int16_t statProhTmr; /* T_status_prohibit Timer in msec*/
123 typedef struct dlAmCfg
125 SnLenAm snLenDl; /* Sequence Number length in bits. Allowed values are 12 and 18 */
126 uint16_t pollRetxTmr; /* T_poll_retransmit Timer in msec */
127 int16_t pollPdu; /* Used to trigger a poll for every pollPdu.*/
128 int32_t pollByte; /* Poll_Byte in bytes. */
129 uint8_t maxRetxTh; /* Max_Retx_Threshold */
133 typedef struct dlUmCfg
135 SnLenUm snLenDlUm; /* Sequence Number length in bits. Allowed values are 6 and 12 */
139 typedef struct ulUmCfg
141 SnLenUm snLenUlUm; /* Sequence Number length in bits. Allowed values are 6 and 12 */
142 int8_t reAssemTmr; /* T_reassembling Timer in msec*/
146 typedef struct amBearerCfg
152 typedef struct umBiDirBearerCfg
158 typedef struct umUniDirUlBearerCfg
161 }UmUniDirUlBearerCfg;
163 typedef struct umUniDirDlBearerCfg
166 }UmUniDirDlBearerCfg;
168 /* Spec Ref: 38.331, 6.3.2 RLC-BearerConfig */
169 typedef struct rlcBearerCfg
171 ConfigType configType;
180 UmBiDirBearerCfg *umBiDirCfg;
181 UmUniDirUlBearerCfg *umUniDirUlCfg;
182 UmUniDirDlBearerCfg *umUniDirDlCfg;
186 typedef struct rlcUeCfg
191 RlcBearerCfg rlcLcCfg[MAX_NUM_LC];
192 UeCfgState rlcUeCfgState; /* InActive / Completed */
195 typedef struct rlcUeCfgRsp
200 FailureReason reason;
203 /* UL RRC Message from RLC to DU APP */
204 typedef struct ulRrcMsgInfo
206 uint16_t cellId; /* Cell Id */
207 uint16_t ueIdx; /* UE Index */
208 uint8_t lcId; /* Logical channel Id */
209 uint16_t msgLen; /* RRC message length (in bytes) */
210 uint8_t *rrcMsg; /* RRC Message (UL-DCCH Message) */
213 /* UL User Data from RLC to DU APP */
214 typedef struct ulUserDatInfo
216 uint16_t cellId; /* Cell Id */
217 uint16_t ueIdx; /* UE Index */
219 uint16_t msgLen; /* User data length (in bytes) */
220 uint8_t *userData; /* User data (UL-DTCH Message) */
223 /* DL RRC Message from DU APP to RLC */
224 typedef struct dlRrcMsgInfo
226 uint16_t cellId; /* Cell Id */
227 uint16_t ueIdx; /* UE index */
228 uint8_t rbType; /* Radio Bearer Type */
229 uint8_t rbId; /* Radio Bearer Id */
230 uint8_t lcType; /* Logical channel type */
231 uint8_t lcId; /* Logical channel Id */
232 bool execDup; /* Execution duplication enabled */
233 bool deliveryStaRpt; /* Reporting of delivery status by RLC to DU-APP enabled */
234 uint16_t msgLen; /* RRC Message length */
235 uint8_t *rrcMsg; /* RRC Message (DL-DCCH Message) */
238 /* DL RRC Message Rsp From RLC to DU APP */
239 typedef struct dlRrcMsgRsp
241 uint16_t cellId; /* Cell Id */
242 uint16_t crnti; /* UE index */
243 DlMsgState state; /* Dl RRC Msg State */
246 /* RRC delivery message from RLC to DU APP */
247 typedef struct rrcDeliveryStatus
249 uint16_t deliveryStatus;
250 uint16_t triggeringMessage;
253 typedef struct rrcDeliveryReportInfo
258 RrcDeliveryStatus rrcDeliveryStatus;
261 /* Function Pointers */
262 /* UE create Request from DU APP to RLC*/
263 typedef uint8_t (*DuRlcUeCreateReq) ARGS((
267 /* UE Cfg Response from RLC to DU APP*/
268 typedef uint8_t (*RlcDuUeCfgRsp) ARGS((
270 RlcUeCfgRsp *ueCfgRsp));
272 /* UL RRC Message from RLC to DU APP */
273 typedef uint8_t (*RlcUlRrcMsgToDuFunc) ARGS((
275 RlcUlRrcMsgInfo *ulRrcMsgInfo));
277 /* DL RRC Message from DU APP to RLC */
278 typedef uint8_t (*DuDlRrcMsgToRlcFunc) ARGS((
280 RlcDlRrcMsgInfo *dlRrcMsgInfo));
282 /* RRC delivery message from RLC to DU APP */
283 typedef uint8_t (*RlcRrcDeliveryReportToDuFunc) ARGS((
285 RrcDeliveryReport *rrcDeliveryReport));
287 typedef uint8_t (*DuRlcUeReconfigReq) ARGS((
291 /* DL RRC Message from RLC to DU APP */
292 typedef uint8_t (*RlcDlRrcMsgRspToDuFunc) ARGS((
294 RlcDlRrcMsgRsp *dlRrcMsgRsp));
296 /* UL User data from RLC to DU APP */
297 typedef uint8_t (*RlcUlUserDataToDuFunc) ARGS((
299 RlcUlUserDatInfo *ulUserData));
301 /* Pack/Unpack function declarations */
302 uint8_t packDuRlcUeCreateReq(Pst *pst, RlcUeCfg *ueCfg);
303 uint8_t unpackRlcUeCreateReq(DuRlcUeCreateReq func, Pst *pst, Buffer *mBuf);
304 uint8_t packRlcDuUeCfgRsp(Pst *pst, RlcUeCfgRsp *ueCfgRsp);
305 uint8_t unpackRlcUeCfgRsp(RlcDuUeCfgRsp func, Pst *pst, Buffer *mBuf);
306 uint8_t packRlcUlRrcMsgToDu(Pst *pst, RlcUlRrcMsgInfo *ulRrcMsgInfo);
307 uint8_t unpackRlcUlRrcMsgToDu(RlcUlRrcMsgToDuFunc func, Pst *pst, Buffer *mBuf);
308 uint8_t packDlRrcMsgToRlc(Pst *pst, RlcDlRrcMsgInfo *dlRrcMsgInfo);
309 uint8_t unpackDlRrcMsgToRlc(DuDlRrcMsgToRlcFunc func, Pst *pst, Buffer *mBuf);
310 uint8_t packRrcDeliveryReportToDu(Pst *pst, RrcDeliveryReport *rrcDeliveryReport);
311 uint8_t unpackRrcDeliveryReportToDu(RlcRrcDeliveryReportToDuFunc func,Pst *pst, Buffer *mBuf);
312 uint8_t packDuRlcUeReconfigReq(Pst *pst, RlcUeCfg *ueCfg);
313 uint8_t unpackRlcUeReconfigReq(DuRlcUeReconfigReq func, Pst *pst, Buffer *mBuf);
314 uint8_t packRlcDlRrcMsgRspToDu(Pst *pst, RlcDlRrcMsgRsp *dlRrcMsgRsp);
315 uint8_t unpackRlcDlRrcMsgRspToDu(RlcDlRrcMsgRspToDuFunc func, Pst *pst, Buffer *mBuf);
316 uint8_t packRlcUlUserDataToDu(Pst *pst, RlcUlUserDatInfo *ulUserData);
317 uint8_t unpackRlcUlUserDataToDu(RlcUlUserDataToDuFunc func, Pst *pst, Buffer *mBuf);
319 /* Event Handler function declarations */
320 uint8_t RlcProcUeCreateReq(Pst *pst, RlcUeCfg *ueCfg);
321 uint8_t DuProcRlcUeCfgRsp(Pst *pst, RlcUeCfgRsp *cfgRsp);
322 uint8_t DuProcRlcUlRrcMsgTrans(Pst *pst, RlcUlRrcMsgInfo *ulRrcMsgInfo);
323 uint8_t RlcProcDlRrcMsgTransfer(Pst *pst, RlcDlRrcMsgInfo *dlRrcMsgInfo);
324 uint8_t DuProcRlcRrcDeliveryReport(Pst *pst, RrcDeliveryReport *rrcDeliveryReport);
325 uint8_t RlcProcUeReconfigReq(Pst *pst, RlcUeCfg *ueCfg);
326 uint8_t DuProcRlcDlRrcMsgRsp(Pst *pst, RlcDlRrcMsgRsp *dlRrcMsg);
327 uint8_t DuProcRlcUlUserDataTrans(Pst *pst, RlcUlUserDatInfo *ulUserData);
329 #endif /* RLC_INF_H */
331 /**********************************************************************
333 **********************************************************************/