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 all EGTP related functionality */
21 #include "common_def.h"
22 #include "cu_stub_egtp.h"
25 /* Global variable declaration */
28 /**************************************************************************
29 * @brief Task Initiation callback function.
33 * Function : egtpActvInit
36 * This function is supplied as one of parameters during EGTP's
37 * task registration. SSI will invoke this function once, after
38 * it creates and attaches this TAPA Task to a system task.
40 * @param[in] Ent entity, the entity ID of this task.
41 * @param[in] Inst inst, the instance ID of this task.
42 * @param[in] Region region, the region ID registered for memory
44 * @param[in] Reason reason.
45 * @return ROK - success
47 ***************************************************************************/
50 DU_LOG("\n\nEGTP : Initializing");
51 cmMemset ((U8 *)&egtpCb, 0, sizeof(EgtpGlobalCb));
52 protType = CM_INET_PROTO_UDP;
57 /**************************************************************************
58 * @brief Task Activation callback function.
62 * Function : egtpActvTsk
65 * This function handles all EGTP messages received
66 * This API is registered with SSI during the
67 * Task Registration of DU APP.
69 * @param[in] Pst *pst, Post structure of the primitive.
70 * @param[in] Buffer *mBuf, Packed primitive parameters in the
72 * @return ROK - success
75 ***************************************************************************/
84 DU_LOG("\nEGTP : Configuration failed");
88 ret = cuEgtpSrvOpenReq();
91 DU_LOG("\nEGTP : Transport server open request failed");
95 tnlEvt.action = EGTP_TNL_MGMT_ADD;
98 ret = cuEgtpTnlMgmtReq(tnlEvt);
101 DU_LOG("\n EGTP : Tunnel management request failed");
109 /**************************************************************************
110 * @brief EGTP server configuration
114 * Function : egtpCfgReq
117 * This function handles EGTP configuration request.
119 * @return ROK - success
122 * ***********************************************************************/
127 cmMemcpy((U8 *)&egtpCb.egtpCfg, (U8 *)&cuCfgParams.egtpParams, (PTR)sizeof(EgtpParams));
129 egtpCb.recvTptSrvr.addr.address = CM_INET_NTOH_U32(egtpCb.egtpCfg.localIp.ipV4Addr);
130 egtpCb.recvTptSrvr.addr.port = EGTP_DFLT_PORT;
132 egtpCb.dstCb.dstIp = CM_INET_NTOH_U32(egtpCb.egtpCfg.destIp.ipV4Addr);
133 egtpCb.dstCb.dstPort = egtpCb.egtpCfg.destPort;
134 egtpCb.dstCb.sendTptSrvr.addr.address = CM_INET_NTOH_U32(egtpCb.egtpCfg.localIp.ipV4Addr);
135 egtpCb.dstCb.sendTptSrvr.addr.port = egtpCb.egtpCfg.localPort;
136 egtpCb.dstCb.numTunn = 0;
138 ret = cmHashListInit(&(egtpCb.dstCb.teIdLst), 1024, sizeof(EgtpTeIdCb), FALSE, CM_HASH_KEYTYPE_U32MOD, CU_APP_MEM_REG, CU_POOL);
142 DU_LOG("\nEGTP : TeId hash list initialization failed");
147 DU_LOG("\nEGTP : Configuration successful");
153 /**************************************************************************
154 * @brief EGTP server open request
158 * Function : egtpSrvOpenReq
161 * This function handles EGTP open server request.
162 * It opens udp socket to receive/send msgs.
164 * @param[in] Pst *pst, post structure
165 * @return ROK - success
168 ***************************************************************************/
170 S16 cuEgtpSrvOpenReq(Pst *pst)
175 DU_LOG("\nEGTP : Received open server request");
177 sockType = CM_INET_DGRAM;
178 if(ret = (cmInetSocket(sockType, &(egtpCb.recvTptSrvr.sockFd), protType)) != ROK)
180 DU_LOG("\nEGTP : Failed to open UDP socket");
184 ret = cmInetBind(&(egtpCb.recvTptSrvr.sockFd), &(egtpCb.recvTptSrvr.addr));
187 DU_LOG("\nEGTP : Failed to bind socket");
191 if(ret = (cmInetSocket(sockType, &(egtpCb.dstCb.sendTptSrvr.sockFd), protType)) != ROK)
193 DU_LOG("\nEGTP : Failed to open UDP socket");
197 ret = cmInetBind(&(egtpCb.dstCb.sendTptSrvr.sockFd), &(egtpCb.dstCb.sendTptSrvr.addr));
200 DU_LOG("\nEGTP : Failed to bind socket");
204 /* TODO: set socket options */
206 DU_LOG("\nEGTP : Receiver socket[%d] and Sender socket[%d] open", egtpCb.recvTptSrvr.sockFd.fd, egtpCb.dstCb.sendTptSrvr.sockFd.fd);
208 } /* cuEgtpSrvOpenReq */
211 /**************************************************************************
212 * @brief EGTP tunnel management request
216 * Function : cuEgtpTnlMgmtReq
219 * This function handles EGTP tunnel managament request
221 * @param[in] Pst *pst, post structure
222 * Tunnel Eveny structure
223 * @return ROK - success
227 * ***************************************************************************/
228 S16 cuEgtpTnlMgmtReq(EgtpTnlEvt tnlEvt)
232 DU_LOG("\nEGTP : Received tunnel management request");
233 switch(tnlEvt.action)
235 case EGTP_TNL_MGMT_ADD:
237 ret = cuEgtpTnlAdd(tnlEvt);
240 case EGTP_TNL_MGMT_MOD:
242 ret = cuEgtpTnlMod(tnlEvt);
245 case EGTP_TNL_MGMT_DEL:
247 ret = cuEgtpTnlDel(tnlEvt);
252 DU_LOG("\nEGTP : Invalid tunnel management action[%d]", tnlEvt.action);
260 /**************************************************************************
261 * @brief EGTP tunnel addition
265 * Function : cuEgtpTnlAdd
268 * This function handles EGTP tunnel addition
270 * @param[in] Tunnel Event structure
271 * @return ROK - success
274 * ***************************************************************************/
275 S16 cuEgtpTnlAdd(EgtpTnlEvt tnlEvt)
279 EgtpMsgHdr preDefHdr; /* pre-define header for this tunnel */
282 DU_LOG("\nEGTP : Tunnel addition : LocalTeid[%d] Remote Teid[%d]", tnlEvt.lclTeid, tnlEvt.remTeid);
284 ret = SGetSBuf(CU_APP_MEM_REG, CU_POOL, (Data **)&teidCb, (Size)sizeof(EgtpTeIdCb));
287 DU_LOG("\nEGTP : Memory allocation failed");
292 cmMemset((U8 *)teidCb, 0, sizeof(EgtpTeIdCb));
293 teidCb->teId = tnlEvt.lclTeid;
294 teidCb->remTeId = tnlEvt.remTeid;
296 ret = cmHashListInsert(&(egtpCb.dstCb.teIdLst), (PTR)teidCb, (U8 *)&(teidCb->teId), sizeof(U32));
299 DU_LOG("\nEGTP : Failed to insert in hash list");
300 SPutSBuf(CU_APP_MEM_REG, CU_POOL, (Data *)teidCb, (Size)sizeof(EgtpTeIdCb));
303 egtpCb.dstCb.numTunn++;
305 /* Encoding pre-defined header */
306 cmMemset((U8*)&preDefHdr, 0, sizeof(EgtpMsgHdr));
307 preDefHdr.msgType = EGTPU_MSG_GPDU;
308 preDefHdr.teId = teidCb->remTeId;
309 preDefHdr.extHdr.pdcpNmb.pres = FALSE;
310 preDefHdr.extHdr.udpPort.pres = FALSE;
311 preDefHdr.nPdu.pres = FALSE;
313 cuEgtpEncodeHdr((U8 *)teidCb->preEncodedHdr.hdr, &preDefHdr, &(teidCb->preEncodedHdr.cnt));
315 /* SPutSBuf(CU_APP_MEM_REG, CU_POOL, (Data *)teidCb, (Size)sizeof(EgtpTeIdCb));*/
320 /**************************************************************************
321 * @brief EGTP tunnel modification
325 * Function : cuEgtpTnlMod
328 * This function handles EGTP tunnel modification
330 * @param[in] Tunnel Event structure
331 * @return ROK - success
334 * ***************************************************************************/
335 S16 cuEgtpTnlMod(EgtpTnlEvt tnlEvt)
339 EgtpTeIdCb *teidCb = NULLP;
341 printf("\nTunnel modification : LocalTeid[%d] Remote Teid[%d]", tnlEvt.lclTeid, tnlEvt.remTeid);
343 cmHashListFind(&(egtpCb.dstCb.teIdLst), (U8 *)&(tnlEvt.teId), sizeof(U32), 0, (PTR *)&teidCb);
346 printf("\nTunnel id not found");
350 teidCb->teId = tnlEvt.lclTeid;
351 teidCb->remTeId = tnlEvt.remTeid;
356 /**************************************************************************
357 * @brief EGTP tunnel deletion
361 * Function : cuEgtpTnlDel
364 * This function handles EGTP tunnel deletion
366 * @param[in] Tunnel Event structure
367 * @return ROK - success
370 * ***************************************************************************/
371 S16 cuEgtpTnlDel(EgtpTnlEvt tnlEvt)
373 EgtpTeIdCb *teidCb = NULLP;
375 DU_LOG("\nEGTP : Tunnel deletion : Local Teid[%d] Remote Teid[%d]", tnlEvt.lclTeid, tnlEvt.remTeid);
377 cmHashListFind(&(egtpCb.dstCb.teIdLst), (U8 *)&(tnlEvt.lclTeid), sizeof(U32), 0, (PTR *)&teidCb);
380 DU_LOG("\nEGTP : Tunnel id[%d] not configured", tnlEvt.lclTeid);
384 cmHashListDelete(&(egtpCb.dstCb.teIdLst), (PTR)teidCb);
385 SPutSBuf(CU_APP_MEM_REG, CU_POOL, (Data *)teidCb, (Size)sizeof(EgtpTeIdCb));
386 egtpCb.dstCb.numTunn--;
391 /*******************************************************************
393 * @brief Encodes message header
397 * Function : cuEgtpEncodeHdr
400 * Encodes EGTP message haeder
402 * @params[in] EGTP message
404 * @return ROK - success
407 * ****************************************************************/
408 S16 cuEgtpEncodeHdr(U8 *preEncodedHdr, EgtpMsgHdr *preDefHdr, U8 *hdrIdx)
410 U8 tmpByte = 0; /* Stores one byte of data for enc */
411 U8 cnt = EGTP_MAX_HDR_LEN; /* Stores the position */
412 Bool extPres = FALSE; /* Flag for indication of S, E or P presense flag */
415 /* Encoding header */
416 tmpByte |= EGTP_MASK_BIT6; /* Setting 6th LSB of 1st byte as version */
417 tmpByte |= EGTP_MASK_BIT5; /* Setting 5th LSB of 1st byte as protocol type */
419 if(preDefHdr->extHdr.udpPort.pres || preDefHdr->extHdr.pdcpNmb.pres)
421 tmpByte |= EGTP_MASK_BIT3; /* Setting 3rd LSB of 1st byte if Extension heaeder is present */
424 if(preDefHdr->seqNum.pres)
426 tmpByte |= EGTP_MASK_BIT2;
429 if(preDefHdr->nPdu.pres)
431 tmpByte |= EGTP_MASK_BIT1;
434 if((tmpByte & EGTP_MASK_BIT1) || (tmpByte & EGTP_MASK_BIT2)||(tmpByte & EGTP_MASK_BIT3))
438 preEncodedHdr[--cnt] = tmpByte;
439 preEncodedHdr[--cnt] = preDefHdr->msgType;
441 /* Encode Tunnel endpoint */
442 preEncodedHdr[--cnt] = 0;
443 preEncodedHdr[--cnt] = 0;
444 nwWord = (U16)(GetHiWord(preDefHdr->teId));
445 preEncodedHdr[--cnt] = (U8)(GetHiByte(nwWord));
446 preEncodedHdr[--cnt] = (U8)(GetLoByte(nwWord));
447 nwWord = (U16)(GetLoWord(preDefHdr->teId));
448 preEncodedHdr[--cnt] = (U8)(GetHiByte(nwWord));
449 preEncodedHdr[--cnt] = (U8)(GetLoByte(nwWord));
451 /* Encode sequence number */
452 if(preDefHdr->seqNum.pres)
454 preEncodedHdr[--cnt] = GetHiByte(preDefHdr->seqNum.val);
455 preEncodedHdr[--cnt] = GetLoByte(preDefHdr->seqNum.val);
459 preEncodedHdr[--cnt] = 0;
460 preEncodedHdr[--cnt] = 0;
463 if(preDefHdr->nPdu.pres)
465 preEncodedHdr[--cnt] = preDefHdr->nPdu.val;
469 preEncodedHdr[--cnt] = 0;
472 if(preDefHdr->extHdr.udpPort.pres)
474 preEncodedHdr[--cnt] = EGTP_EXT_HDR_UDP_TYPE;
475 preEncodedHdr[--cnt] = 1;
476 preEncodedHdr[--cnt] = GetHiByte(preDefHdr->extHdr.udpPort.val);
477 preEncodedHdr[--cnt] = GetLoByte(preDefHdr->extHdr.udpPort.val);
480 if(preDefHdr->extHdr.pdcpNmb.pres)
482 preEncodedHdr[--cnt] = EGTP_EXT_HDR_PDCP_TYPE;
483 preEncodedHdr[--cnt] = 1;
484 preEncodedHdr[--cnt] = GetHiByte(preDefHdr->extHdr.pdcpNmb.val);
485 preEncodedHdr[--cnt] = GetLoByte(preDefHdr->extHdr.pdcpNmb.val);
488 if(tmpByte & EGTP_MASK_BIT3)
490 preEncodedHdr[--cnt] = 0;
494 preEncodedHdr[--cnt] = 0;
500 } /* egtpEncodeHdr */
502 S16 cuEgtpHdlRecvMsg(Buffer *mBuf)
504 /*Decoding of EGTP message header */
505 cuEgtpDecodeHdr(mBuf);
507 /* Start Pumping data from CU to DU */
508 RETVALUE(cuEgtpDatReq());
512 S16 cuEgtpDecodeHdr(Buffer *mBuf)
515 S16 retVal = ROK; /* Holds the return value */
516 U8 tmpByte[5]; /* Holds one byte of data after Dec */
517 U8 version = 0; /* Holds the version type, decoded */
518 MsgLen msgLen = 0; /* Holds the msgLen from the Hdr */
519 MsgLen bufLen = 0; /* Holds the total buffer length */
520 U8 extHdrType = 0; /* Holds the Extension hdr type */
521 U8 extHdrLen = 0; /* Extension hdr length */
522 Bool extPres = FALSE; /* Flag for indication of S, E or P presense flag */
524 SFndLenMsg(mBuf, &bufLen);
527 SRemPreMsg(&tmpByte[0], mBuf);
528 version = tmpByte[0] >> 5;
530 /* Decode message type */
531 SRemPreMsg((Data*)&(egtpMsg.msgHdr.msgType), mBuf);
533 /* Decode message length */
534 SRemPreMsg(&tmpByte[1], mBuf);
535 SRemPreMsg(&tmpByte[2], mBuf);
536 msgLen = (tmpByte[1] << 8) | tmpByte[2];
538 /* Decode tunnel id */
539 SRemPreMsg(&tmpByte[1], mBuf);
540 SRemPreMsg(&tmpByte[2], mBuf);
541 SRemPreMsg(&tmpByte[3], mBuf);
542 SRemPreMsg(&tmpByte[4], mBuf);
543 egtpMsg.msgHdr.teId = (tmpByte[1] << 24) | (tmpByte[2] << 16) | (tmpByte[3] << 8) | tmpByte[4];
545 if((tmpByte[0] & EGTP_MASK_BIT1) || (tmpByte[0] & EGTP_MASK_BIT2)||(tmpByte[0] & EGTP_MASK_BIT3))
550 /* Decode sequence number */
551 if ( tmpByte[0] & EGTP_MASK_BIT2 )
553 egtpMsg.msgHdr.seqNum.pres = TRUE;
554 SRemPreMsg(&tmpByte[1], mBuf);
555 SRemPreMsg(&tmpByte[2], mBuf);
556 egtpMsg.msgHdr.seqNum.val = (tmpByte[1] << 8) | tmpByte[2];
560 egtpMsg.msgHdr.seqNum.pres = 0;
561 SRemPreMsg(&tmpByte[1], mBuf);
562 SRemPreMsg(&tmpByte[2], mBuf);
563 egtpMsg.msgHdr.seqNum.val = (tmpByte[1] << 8) | tmpByte[2];
566 /* Decode N-PDU number */
567 if ( tmpByte[0] & EGTP_MASK_BIT1 )
569 egtpMsg.msgHdr.nPdu.pres = TRUE;
570 SRemPreMsg(&(egtpMsg.msgHdr.nPdu.val), mBuf);
574 egtpMsg.msgHdr.nPdu.pres = TRUE;
575 SRemPreMsg(&(egtpMsg.msgHdr.nPdu.val), mBuf);
578 if(extPres & EGTP_MASK_BIT1)
580 SRemPreMsg(&extHdrType, mBuf);
581 while( 0 != extHdrType)
585 case EGTP_EXT_HDR_UDP_TYPE:
587 SRemPreMsg(&extHdrLen, mBuf);
588 if(extHdrLen == 0x01)
590 egtpMsg.msgHdr.extHdr.udpPort.pres = TRUE;
591 SRemPreMsg(&tmpByte[1], mBuf);
592 SRemPreMsg(&tmpByte[2], mBuf);
593 egtpMsg.msgHdr.extHdr.udpPort.val = (tmpByte[1] << 8) | tmpByte[2];
598 case EGTP_EXT_HDR_PDCP_TYPE:
600 SRemPreMsg(&extHdrLen, mBuf);
601 if(extHdrLen == 0x01)
603 egtpMsg.msgHdr.extHdr.pdcpNmb.pres = TRUE;
604 SRemPreMsg(&tmpByte[1], mBuf);
605 SRemPreMsg(&tmpByte[2], mBuf);
606 egtpMsg.msgHdr.extHdr.pdcpNmb.val = (tmpByte[1] << 8) | tmpByte[2];
610 } /* End of switch */
612 SRemPreMsg(&extHdrType, mBuf);
615 } /* End of if(extPres & EGTP_MASK_BIT1) */
618 SRemPreMsg(&extHdrType, mBuf);
621 DU_LOG("\nEGTP : Message Buffer after decoding header ");
622 SPrntMsg(mBuf, 0, 0);
626 } /* End of cuEgtpDecodeHdr */
633 /* Build Application message that is supposed to come from app to egtp */
634 BuildAppMsg(&egtpMsg);
636 /* Encode EGTP header to build final EGTP message */
637 BuildEgtpMsg(&egtpMsg);
639 /* Send Message to peer */
642 DU_LOG("\nEGTP : Sending message[%d]", cnt+1);
643 cuEgtpSendMsg(egtpMsg.msg);
647 SPutMsg(egtpMsg.msg);
653 S16 BuildAppMsg(EgtpMsg *egtpMsg)
655 char data[30] = "This is EGTP data from CU";
660 if(SGetMsg(CU_APP_MEM_REG, CU_POOL, &mBuf) == ROK)
662 if(SAddPstMsgMult((Data *)data, datSize, mBuf) != ROK)
664 DU_LOG("\nEGTP : SAddPstMsgMult failed");
671 DU_LOG("\nEGTP : Failed to allocate memory");
675 /* filling IPv4 header */
680 SFndLenMsg(mBuf, &mLen);
682 cmMemset((U8 *)&ipv4Hdr, 0, sizeof(CmIpv4Hdr));
683 ipv4Hdr.length = CM_IPV4_HDRLEN + mLen;
684 ipv4Hdr.hdrVer = 0x45;
686 ipv4Hdr.srcAddr = CM_INET_NTOH_U32(egtpCb.egtpCfg.localIp.ipV4Addr);
687 ipv4Hdr.destAddr = CM_INET_NTOH_U32(egtpCb.egtpCfg.destIp.ipV4Addr);
689 /* Packing IPv4 header into buffer */
691 Data revPkArray[CM_IPV4_HDRLEN];
692 Data pkArray[CM_IPV4_HDRLEN];
694 /* initialize locals */
696 cmMemset(revPkArray, 0, CM_IPV4_HDRLEN);
697 cmMemset(pkArray, 0, CM_IPV4_HDRLEN);
699 /* Pack Header Version */
700 pkArray[cnt++] = ipv4Hdr.hdrVer;
703 pkArray[cnt++] = ipv4Hdr.tos;
705 pkArray[cnt++] = (Data)GetHiByte(ipv4Hdr.length);
706 pkArray[cnt++] = (Data)GetLoByte(ipv4Hdr.length);
709 pkArray[cnt++] = (Data) GetHiByte(ipv4Hdr.id);
710 pkArray[cnt++] = (Data) GetLoByte(ipv4Hdr.id);
713 pkArray[cnt++] = (Data)GetHiByte(ipv4Hdr.off);
714 pkArray[cnt++] = (Data)GetLoByte(ipv4Hdr.off);
717 pkArray[cnt++] = ipv4Hdr.ttl;
720 pkArray[cnt++] = ipv4Hdr.proto;
723 pkArray[cnt++] = (Data)GetHiByte(ipv4Hdr.chkSum);
724 pkArray[cnt++] = (Data)GetLoByte(ipv4Hdr.chkSum);
726 /* Pack Source Address */
727 pkArray[cnt++] = (Data)GetHiByte(GetHiWord(ipv4Hdr.srcAddr));
728 pkArray[cnt++] = (Data)GetLoByte(GetHiWord(ipv4Hdr.srcAddr));
729 pkArray[cnt++] = (Data)GetHiByte(GetLoWord(ipv4Hdr.srcAddr));
730 pkArray[cnt++] = (Data)GetLoByte(GetLoWord(ipv4Hdr.srcAddr));
732 /* Pack Destination Address */
733 pkArray[cnt++] = (Data)GetHiByte(GetHiWord(ipv4Hdr.destAddr));
734 pkArray[cnt++] = (Data)GetLoByte(GetHiWord(ipv4Hdr.destAddr));
735 pkArray[cnt++] = (Data)GetHiByte(GetLoWord(ipv4Hdr.destAddr));
736 pkArray[cnt++] = (Data)GetLoByte(GetLoWord(ipv4Hdr.destAddr));
738 for (idx = 0; idx < CM_IPV4_HDRLEN; idx++)
739 revPkArray[idx] = pkArray[CM_IPV4_HDRLEN - idx -1];
741 /* this function automatically reverses revPkArray */
742 ret = SAddPreMsgMult(revPkArray, (MsgLen)cnt, mBuf);
744 egtpMsg->msgHdr.msgType = EGTPU_MSG_GPDU;
745 egtpMsg->msgHdr.nPdu.pres = FALSE;
746 egtpMsg->msgHdr.seqNum.pres = FALSE;
747 egtpMsg->msgHdr.extHdr.udpPort.pres = FALSE;
748 egtpMsg->msgHdr.extHdr.pdcpNmb.pres = FALSE;
749 egtpMsg->msgHdr.teId = 10;
756 S16 BuildEgtpMsg(EgtpMsg *egtpMsg)
758 EgtpTeIdCb *teidCb = NULLP;
764 cmHashListFind(&(egtpCb.dstCb.teIdLst), (U8 *)&(egtpMsg->msgHdr.teId), sizeof(U32), 0, (PTR *)&teidCb);
767 DU_LOG("\nEGTP : Tunnel id[%d] not configured", egtpMsg->msgHdr.teId);
768 RETVALUE(LCM_REASON_INVALID_PAR_VAL);
771 msgHdr = &(egtpMsg->msgHdr);
773 hdrLen = teidCb->preEncodedHdr.cnt;
775 if(msgHdr->extHdr.pdcpNmb.pres)
777 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 1] |= EGTP_MASK_BIT3;
778 teidCb->preEncodedHdr.hdr[hdrLen] = EGTP_EXT_HDR_PDCP_TYPE;
779 teidCb->preEncodedHdr.hdr[--hdrLen] = 1;
780 teidCb->preEncodedHdr.hdr[--hdrLen] = GetHiByte(msgHdr->extHdr.pdcpNmb.val);
781 teidCb->preEncodedHdr.hdr[--hdrLen] = GetLoByte(msgHdr->extHdr.pdcpNmb.val);
782 teidCb->preEncodedHdr.hdr[--hdrLen] = 0;
786 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 1] &= ~(EGTP_MASK_BIT3);
789 SFndLenMsg(egtpMsg->msg, &tPduSize);
791 /*Adjust the header to fill the correct length*/
792 msgLen = tPduSize + (EGTP_MAX_HDR_LEN - hdrLen) - 0x08;
794 /***********************************************
795 * Fill the length field of the message header *
796 ***********************************************/
797 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 3] = (U8)GetHiByte(msgLen);
798 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 4] = (U8)GetLoByte(msgLen);
800 /*Update the sequence number*/
801 if(egtpMsg->msgHdr.seqNum.pres)
803 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 1] |= (EGTP_MASK_BIT2);
804 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 9] = (U8)GetHiByte(egtpMsg->msgHdr.seqNum.val);
805 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 10] = (U8)GetLoByte(egtpMsg->msgHdr.seqNum.val);
809 teidCb->preEncodedHdr.hdr[EGTP_MAX_HDR_LEN - 1] &= ~(EGTP_MASK_BIT2);
812 SAddPreMsgMult(&teidCb->preEncodedHdr.hdr[hdrLen], (EGTP_MAX_HDR_LEN - hdrLen), egtpMsg->msg);
814 DU_LOG("\nEGTP : Sending message buffer");
815 SPrntMsg(egtpMsg->msg, 0, 0);
820 S16 cuEgtpSendMsg(Buffer *mBuf)
827 info.region = CU_APP_MEM_REG;
830 dstAddr.port = EGTP_DFLT_PORT;
831 dstAddr.address = egtpCb.dstCb.dstIp;
833 ret = cmInetSendMsg(&(egtpCb.dstCb.sendTptSrvr.sockFd), &dstAddr, &info, mBuf, &txLen, CM_INET_NO_FLAG);
834 if(ret != ROK && ret != RWOULDBLOCK)
836 DU_LOG("\nEGTP : Message send failure");
840 DU_LOG("\nEGTP : Message Sent");