X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fcu_stub%2Fcu_stub_sctp.c;h=0a03f0d545779e68e63d3ed66d3f7ce827c7192d;hb=05d098e6b94f629a932caaff404f2b703b123852;hp=c74290a22b4a31fcfc98cc80f97ffb2255bf09ec;hpb=ff0c6fbd56fc24b9c286dc6444e1e0fbe8871625;p=o-du%2Fl2.git diff --git a/src/cu_stub/cu_stub_sctp.c b/src/cu_stub/cu_stub_sctp.c index c74290a22..0a03f0d54 100644 --- a/src/cu_stub/cu_stub_sctp.c +++ b/src/cu_stub/cu_stub_sctp.c @@ -102,19 +102,32 @@ uint8_t sctpActvTsk(Pst *pst, Buffer *mBuf) uint8_t sctpCfgReq() { - int destIdx; + int destIdx = 0, assocIdx = 0; - for(destIdx=0; destIdx < sctpCb.sctpCfg.numDu; destIdx++) + fillAddrLst(&sctpCb.localAddrLst, &sctpCb.sctpCfg.localIpAddr); + memset(&sctpCb.f1LstnSockFd, -1, sizeof(CmInetFd)); + + for(destIdx=0; destIdx < sctpCb.sctpCfg.f1SctpInfo.numDestNode; destIdx++) { - sctpCb.destCb[destIdx].destPort = sctpCb.sctpCfg.sctpAssoc[destIdx].duPort; - sctpCb.destCb[destIdx].srcPort = sctpCb.sctpCfg.sctpAssoc[destIdx].cuPort; - sctpCb.destCb[destIdx].bReadFdSet = ROK; - memset(&sctpCb.destCb[destIdx].sockFd, -1, sizeof(CmInetFd)); - memset(&sctpCb.destCb[destIdx].lstnSockFd, -1, sizeof(CmInetFd)); - fillDestNetAddr(&sctpCb.destCb[destIdx].destIpNetAddr, &sctpCb.sctpCfg.sctpAssoc[destIdx].duIpAddr); - fillAddrLst(&sctpCb.destCb[destIdx].localAddrLst, &sctpCb.sctpCfg.sctpAssoc[destIdx].cuIpAddr); + sctpCb.assocCb[assocIdx].intf = F1_INTERFACE; + sctpCb.assocCb[assocIdx].destPort = sctpCb.sctpCfg.f1SctpInfo.destCb[destIdx].destPort; + sctpCb.assocCb[assocIdx].bReadFdSet = ROK; + memset(&sctpCb.assocCb[assocIdx].sockFd, -1, sizeof(CmInetFd)); + fillDestNetAddr(&sctpCb.assocCb[assocIdx].destIpNetAddr, &sctpCb.sctpCfg.f1SctpInfo.destCb[destIdx].destIpAddr); + assocIdx++; } - sctpCb.numDu = sctpCb.sctpCfg.numDu; + + sctpCb.localXnNodeType = sctpCb.sctpCfg.xnSctpInfo.localNodeType; + for(destIdx=0; destIdx < sctpCb.sctpCfg.xnSctpInfo.numDestNode; destIdx++) + { + sctpCb.assocCb[assocIdx].intf = XN_INTERFACE; + sctpCb.assocCb[assocIdx].destPort = sctpCb.sctpCfg.xnSctpInfo.destCb[destIdx].destPort; + sctpCb.assocCb[assocIdx].bReadFdSet = ROK; + memset(&sctpCb.assocCb[assocIdx].sockFd, -1, sizeof(CmInetFd)); + fillDestNetAddr(&sctpCb.assocCb[assocIdx].destIpNetAddr, &sctpCb.sctpCfg.xnSctpInfo.destCb[destIdx].destIpAddr); + assocIdx++; + } + sctpCb.numAssoc = assocIdx; return ROK; } @@ -189,33 +202,128 @@ uint8_t fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr) uint8_t sctpStartReq() { - uint8_t destIdx; + uint8_t assocIdx; uint8_t ret = ROK; + CmInetFd sockFd; socket_type = CM_INET_STREAM; - for(destIdx=0; destIdx < sctpCb.numDu; destIdx++) + + /* Establish SCTP association at XN interface */ + if(sctpCb.sctpCfg.xnSctpInfo.numDestNode) + { + if(sctpCb.localXnNodeType == SERVER) + { + if((ret = cmInetSocket(socket_type, &sctpCb.xnLstnSockFd, IPPROTO_SCTP) != ROK)) + { + DU_LOG("\nERROR --> SCTP : Socket[%d] coudnt open for listening", sctpCb.f1LstnSockFd.fd); + } + else if((ret = cmInetSctpBindx(&sctpCb.xnLstnSockFd, &sctpCb.localAddrLst, sctpCb.sctpCfg.xnSctpInfo.port)) != ROK) + { + DU_LOG("\nERROR --> SCTP: Binding failed at CU"); + } + else if(ret = cmInetListen(&sctpCb.xnLstnSockFd, 1) != ROK) + { + DU_LOG("\nERROR --> SCTP : Listening on socket failed"); + cmInetClose(&sctpCb.xnLstnSockFd); + return RFAILED; + } + else + { + for(assocIdx=0; assocIdx < sctpCb.numAssoc; assocIdx++) + { + if(sctpCb.assocCb[assocIdx].intf == XN_INTERFACE) + { + if((ret = sctpAccept(&sctpCb.xnLstnSockFd, &sctpCb.assocCb[assocIdx])) != ROK) + { + DU_LOG("\nERROR --> SCTP: Unable to accept the connection at CU"); + } + } + } + } + } + else if(sctpCb.localXnNodeType == CLIENT) + { + for(assocIdx=0; assocIdx < sctpCb.numAssoc; assocIdx++) + { + if(sctpCb.assocCb[assocIdx].intf == XN_INTERFACE) + { + if((ret = cmInetSocket(socket_type, &sctpCb.assocCb[assocIdx].sockFd, IPPROTO_SCTP)) != ROK) + { + DU_LOG("\nERROR --> SCTP : Failed while opening a socket in ODU"); + } + else if((ret = cmInetSctpBindx(&sctpCb.assocCb[assocIdx].sockFd, &sctpCb.localAddrLst, sctpCb.sctpCfg.xnSctpInfo.port)) != ROK) + { + DU_LOG("\nERROR --> SCTP: Failed during Binding in ODU"); + } + else if((ret = sctpSetSockOpts(&sctpCb.assocCb[assocIdx].sockFd)) != ROK) + { + DU_LOG("\nERROR --> SCTP : Failed to set Socket Opt in ODU"); + } + else + { + if(ret != ROK) + { + DU_LOG("\nERROR --> SCTP : Failed while establishing Req at DU"); + ret = RFAILED; + } + else + { + ret = cmInetSctpConnectx(&sctpCb.assocCb[assocIdx].sockFd, &sctpCb.assocCb[assocIdx].destIpNetAddr, \ + &sctpCb.assocCb[assocIdx].destAddrLst, sctpCb.assocCb[assocIdx].destPort); + /* 115 error_code indicates that Operation is in progress and hence ignored if SctpConnect failed due to this */ + if(ret == 18) + { + ret = ROK; + } + } + } + } + } + } + } + + /* Establish SCTP association at F1 interface */ + if(sctpCb.sctpCfg.f1SctpInfo.numDestNode) { - if((ret = cmInetSocket(socket_type, &sctpCb.destCb[destIdx].lstnSockFd, IPPROTO_SCTP) != ROK)) + if((ret = cmInetSocket(socket_type, &sctpCb.f1LstnSockFd, IPPROTO_SCTP) != ROK)) { - DU_LOG("\nERROR --> SCTP : Socket[%d] coudnt open for listening", sctpCb.destCb[destIdx].lstnSockFd.fd); + DU_LOG("\nERROR --> SCTP : Socket[%d] coudnt open for listening", sctpCb.f1LstnSockFd.fd); } - else if((ret = cmInetSctpBindx(&sctpCb.destCb[destIdx].lstnSockFd, &sctpCb.destCb[destIdx].localAddrLst, \ - sctpCb.destCb[destIdx].srcPort)) != ROK) + else if((ret = cmInetSctpBindx(&sctpCb.f1LstnSockFd, &sctpCb.localAddrLst, sctpCb.sctpCfg.f1SctpInfo.port)) != ROK) { DU_LOG("\nERROR --> SCTP: Binding failed at CU"); } - else if((ret = sctpAccept(&sctpCb.destCb[destIdx])) != ROK) + else if(ret = cmInetListen(&sctpCb.f1LstnSockFd, 1) != ROK) + { + DU_LOG("\nERROR --> SCTP : Listening on socket failed"); + cmInetClose(&sctpCb.f1LstnSockFd); + return RFAILED; + } + else { - DU_LOG("\nERROR --> SCTP: Unable to accept the connection at CU"); + for(assocIdx=0; assocIdx < sctpCb.numAssoc; assocIdx++) + { + if(sctpCb.assocCb[assocIdx].intf == F1_INTERFACE) + { + if((ret = sctpAccept(&sctpCb.f1LstnSockFd, &sctpCb.assocCb[assocIdx])) != ROK) + { + DU_LOG("\nERROR --> SCTP: Unable to accept the connection at CU"); + } + } + } } } - if(sctpSockPoll() != ROK) + if(ret == ROK) { - DU_LOG("\nERROR --> SCTP: Polling failed to start at CU"); + if(sctpSockPoll() != ROK) + { + DU_LOG("\nERROR --> SCTP: Polling failed to start at CU"); + } } return (ret); } + /******************************************************************* * * @brief Sets socket options as per requirement @@ -271,23 +379,15 @@ uint8_t sctpSetSockOpts(CmInetFd *sock_Fd) * RFAILED - failure * * ****************************************************************/ -uint8_t sctpAccept(CuSctpDestCb *destCb) +uint8_t sctpAccept(CmInetFd *lstnSockFd, CuSctpAssocCb *assocCb) { uint8_t ret; - ret = cmInetListen(&destCb->lstnSockFd, 1); - if (ret != ROK) - { - DU_LOG("\nERROR --> SCTP : Listening on socket failed"); - cmInetClose(&destCb->lstnSockFd); - return RFAILED; - } - DU_LOG("\nINFO --> SCTP : Connecting"); - while(!destCb->connUp) + while(!assocCb->connUp) { - ret = cmInetAccept(&destCb->lstnSockFd, &destCb->peerAddr, &destCb->sockFd); + ret = cmInetAccept(lstnSockFd, &assocCb->peerAddr, &assocCb->sockFd); if (ret == ROKDNA) { continue; @@ -299,8 +399,8 @@ uint8_t sctpAccept(CuSctpDestCb *destCb) } else { - destCb->connUp = TRUE; - sctpSetSockOpts(&destCb->sockFd); + assocCb->connUp = TRUE; + sctpSetSockOpts(&assocCb->sockFd); break; } } @@ -326,7 +426,7 @@ uint8_t sctpAccept(CuSctpDestCb *destCb) * RFAILED - failure * * ****************************************************************/ -uint8_t sctpNtfyHdlr(CuSctpDestCb *destCb, CmInetSctpNotification *ntfy) +uint8_t sctpNtfyHdlr(CuSctpAssocCb *assocCb, CmInetSctpNotification *ntfy) { switch(ntfy->header.nType) { @@ -336,23 +436,23 @@ uint8_t sctpNtfyHdlr(CuSctpDestCb *destCb, CmInetSctpNotification *ntfy) { case CM_INET_SCTP_COMM_UP: DU_LOG("DEBUG --> Event : COMMUNICATION UP"); - destCb->connUp = TRUE; + assocCb->connUp = TRUE; break; case CM_INET_SCTP_COMM_LOST: DU_LOG("DEBUG --> Event : COMMUNICATION LOST"); - destCb->connUp = FALSE; + assocCb->connUp = FALSE; break; case CM_INET_SCTP_RESTART: DU_LOG("DEBUG --> Event : SCTP RESTART"); - destCb->connUp = FALSE; + assocCb->connUp = FALSE; break; case CM_INET_SCTP_SHUTDOWN_COMP: /* association gracefully shutdown */ DU_LOG("DEBUG --> Event : SHUTDOWN COMPLETE"); - destCb->connUp = FALSE; + assocCb->connUp = FALSE; break; case CM_INET_SCTP_CANT_STR_ASSOC: DU_LOG("DEBUG --> Event : CANT START ASSOC"); - destCb->connUp = FALSE; + assocCb->connUp = FALSE; break; default: DU_LOG("\nERROR --> Invalid event"); @@ -371,7 +471,7 @@ uint8_t sctpNtfyHdlr(CuSctpDestCb *destCb, CmInetSctpNotification *ntfy) break; case CM_INET_SCTP_SHUTDOWN_EVENT : /* peer socket gracefully closed */ DU_LOG("\nINFO --> SCTP : Shutdown Event notification received\n"); - destCb->connUp = FALSE; + assocCb->connUp = FALSE; exit(0); break; case CM_INET_SCTP_ADAPTATION_INDICATION : @@ -407,18 +507,18 @@ uint8_t sctpNtfyHdlr(CuSctpDestCb *destCb, CmInetSctpNotification *ntfy) * ****************************************************************/ uint8_t sctpSockPoll() { - uint8_t destIdx; + uint8_t assocIdx = 0, destIdx = 0; uint16_t ret = ROK; uint32_t timeout; uint32_t *timeoutPtr; Buffer *egtpBuf; MsgLen egtpBufLen; - CmInetAddr egtpFromAddr; CmInetMemInfo memInfo; - sctpSockPollParams f1PollParams; + sctpSockPollParams pollParams; uint64_t numMsgRcvd = 0; + CmInetAddr fromAddr; - memset(&f1PollParams, 0, sizeof(sctpSockPollParams)); + memset(&pollParams, 0, sizeof(sctpSockPollParams)); /* All sockets are non-blocking */ @@ -427,33 +527,34 @@ uint8_t sctpSockPoll() memInfo.region = CU_APP_MEM_REG; memInfo.pool = CU_POOL; - CM_INET_FD_ZERO(&f1PollParams.readFd); + CM_INET_FD_ZERO(&pollParams.readFd); while(1) { /* Receiving SCTP data */ - for(destIdx = 0; destIdx < sctpCb.numDu; destIdx++) + for(assocIdx = 0; assocIdx < sctpCb.numAssoc; assocIdx++) { - if((ret = processPolling(&f1PollParams, &sctpCb.destCb[destIdx], timeoutPtr, &memInfo)) != ROK) + if((ret = processPolling(&pollParams, &sctpCb.assocCb[assocIdx], timeoutPtr, &memInfo)) != ROK) { DU_LOG("\nERROR --> SCTP : Failed to RecvMsg for F1 at CU\n"); } } /* Receiving EGTP data */ - for(destIdx = 0; destIdx < egtpCb.numDu; destIdx++) + egtpBufLen = -1; + ret = cmInetRecvMsg(&(egtpCb.sockFd), &fromAddr, &memInfo, &egtpBuf, &egtpBufLen, CM_INET_NO_FLAG); + if(ret == ROK && egtpBuf != NULLP) { - - egtpFromAddr.port = egtpCb.dstCb[destIdx].dstPort; - egtpFromAddr.address = egtpCb.dstCb[destIdx].dstIp; - egtpBufLen = -1; - ret = cmInetRecvMsg(&(egtpCb.recvTptSrvr.sockFd), &egtpFromAddr, &memInfo, &egtpBuf, &egtpBufLen, CM_INET_NO_FLAG); - if(ret == ROK && egtpBuf != NULLP) + for(destIdx = 0; destIdx < egtpCb.numDu; destIdx++) { - DU_LOG("\nINFO --> EGTP : Received UL Message [%ld] from DUid %d\n", numMsgRcvd+1, egtpCb.dstCb[destIdx].duId); - numMsgRcvd++; - //ODU_PRINT_MSG(egtpBuf, 0 ,0); - cuEgtpHdlRecvMsg(egtpBuf); + if((fromAddr.port == egtpCb.dstCb[destIdx].dstAddr.port) && (fromAddr.address == egtpCb.dstCb[destIdx].dstAddr.address)) + { + DU_LOG("\nINFO --> EGTP : Received UL Message [%ld] from DU Id [%d]\n", numMsgRcvd+1, egtpCb.dstCb[destIdx].duId); + numMsgRcvd++; + //ODU_PRINT_MSG(egtpBuf, 0 ,0); + cuEgtpHdlRecvMsg(egtpBuf); + break; + } } } @@ -484,33 +585,40 @@ uint8_t sctpSockPoll() * * ****************************************************************/ -uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpDestCb *destCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo) +uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpAssocCb *assocCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo) { uint16_t ret = ROK; - CM_INET_FD_SET(&destCb->sockFd, &pollParams->readFd); + CM_INET_FD_SET(&assocCb->sockFd, &pollParams->readFd); ret = cmInetSelect(&pollParams->readFd, NULLP, timeoutPtr, &pollParams->numFd); - if(CM_INET_FD_ISSET(&destCb->sockFd, &pollParams->readFd)) + if(CM_INET_FD_ISSET(&assocCb->sockFd, &pollParams->readFd)) { - CM_INET_FD_CLR(&destCb->sockFd, &pollParams->readFd); - ret = cmInetSctpRecvMsg(&destCb->sockFd, &pollParams->addr, &pollParams->port, memInfo, &pollParams->mBuf, \ + CM_INET_FD_CLR(&assocCb->sockFd, &pollParams->readFd); + ret = cmInetSctpRecvMsg(&assocCb->sockFd, &pollParams->addr, &pollParams->port, memInfo, &pollParams->mBuf, \ &pollParams->bufLen, &pollParams->info, &pollParams->flag, &pollParams->ntfy); - if(destCb->connUp & (ret != ROK)) + if(assocCb->connUp & (ret != ROK)) { - destCb->bReadFdSet = RFAILED; + assocCb->bReadFdSet = RFAILED; } else { if(((pollParams->flag & CM_INET_SCTP_MSG_NOTIFICATION) != 0) && (ret == ROK)) { - ret = sctpNtfyHdlr(destCb, &pollParams->ntfy); + ret = sctpNtfyHdlr(assocCb, &pollParams->ntfy); if(ret != ROK) { DU_LOG("\nERROR --> SCTP : Failed to process sctp notify msg\n"); } } - else if(destCb->connUp & (pollParams->port == destCb->destPort)) + else if(assocCb->connUp && assocCb->intf == F1_INTERFACE) { - F1APMsgHdlr(&destCb->duId, pollParams->mBuf); + F1APMsgHdlr(&assocCb->destId, pollParams->mBuf); + ODU_PUT_MSG_BUF(pollParams->mBuf); + } + else if(assocCb->connUp && assocCb->intf == XN_INTERFACE) + { + DU_LOG("\nDEBUG --> SCTP : Received message at XN interface"); + ODU_PRINT_MSG(pollParams->mBuf, 0,0); + XNAPMsgHdlr(&assocCb->destId, pollParams->mBuf); ODU_PUT_MSG_BUF(pollParams->mBuf); } else @@ -524,46 +632,72 @@ uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpDestCb *destCb, uin /******************************************************************* * - * @brief Send message on SCTP socket + * @brief Send message on an SCTP Association * * @details * - * Function : sctpSend + * Function : sendOnSctpAssoc * * Functionality: - * Send message on SCTP socket + * Send message on SCTP association * * @params[in] * @return ROK - success * RFAILED - failure * * ****************************************************************/ -uint8_t sctpSend(uint32_t duId, Buffer *mBuf) +uint8_t sendOnSctpAssoc(CuSctpAssocCb *assocCb, Buffer *mBuf) { - uint8_t ret = ROK, destIdx = 0; + uint8_t ret = ROK; MsgLen len = 0; /* number of actually sent octets */ - CmInetMemInfo memInfo; - + CmInetMemInfo memInfo; + memset(&memInfo , 0, sizeof(CmInetMemInfo)); - memInfo.region = CU_APP_MEM_REG; + memInfo.region = CU_APP_MEM_REG; memInfo.pool = CU_POOL; - for(destIdx=0; destIdx < sctpCb.numDu; destIdx++) + ret = cmInetSctpSendMsg(&assocCb->sockFd, &assocCb->destIpNetAddr, assocCb->destPort, &memInfo, mBuf, &len, 0, \ + FALSE, 0, 0/*SCT_PROTID_NONE*/, RWOULDBLOCK); + + if(ret != ROK && ret != RWOULDBLOCK) { - if(sctpCb.destCb[destIdx].duId == duId) - { - ret = cmInetSctpSendMsg(&sctpCb.destCb[destIdx].sockFd, &sctpCb.destCb[destIdx].destIpNetAddr, \ - sctpCb.destCb[destIdx].destPort, &memInfo, mBuf, &len, 0, FALSE, 0, 0/*SCT_PROTID_NONE*/, RWOULDBLOCK); + DU_LOG("\nERROR --> SCTP : Send message failed"); + return RFAILED; + } + return ROK; +} - if(ret != ROK && ret != RWOULDBLOCK) - { - DU_LOG("\nERROR --> SCTP : Send message failed"); - return RFAILED; - } - return ROK; +/******************************************************************* + * + * @brief Send message on SCTP socket + * + * @details + * + * Function : sctpSend + * + * Functionality: + * Send message on SCTP socket + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t sctpSend(InterfaceType intf, uint32_t destId, Buffer *mBuf) +{ + uint8_t assocIdx = 0; + + for(assocIdx=0; assocIdx < sctpCb.numAssoc; assocIdx++) + { + if((sctpCb.assocCb[assocIdx].intf == intf) && (sctpCb.assocCb[assocIdx].destId == destId)) + { + if(sendOnSctpAssoc(&sctpCb.assocCb[assocIdx], mBuf) == ROK) + return ROK; + else + break; } } - DU_LOG("\nERROR --> SCTP : DU ID [%d] not found in SCTP DestCb list. Failed to send message", duId); + DU_LOG("\nERROR --> SCTP : Dest ID [%d] at Interface [%d] not found in SCTP DestCb list. Failed to send message", destId, intf); return RFAILED; } /* End of sctpSend */