X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fcu_stub%2Fcu_stub_egtp.h;h=4decfda12bf77a100e3c64a735b655d0adf2d87b;hb=c449cf0b0cc8794c2e2d28dcc4c9bd8b9534e697;hp=ba0c1316a02e0eeb7131e7f257db1bec0283e118;hpb=3235ecfc7414aa0b72d0ad50db63ae8b5626045b;p=o-du%2Fl2.git

diff --git a/src/cu_stub/cu_stub_egtp.h b/src/cu_stub/cu_stub_egtp.h
index ba0c1316a..4decfda12 100644
--- a/src/cu_stub/cu_stub_egtp.h
+++ b/src/cu_stub/cu_stub_egtp.h
@@ -21,14 +21,7 @@
 #ifndef __CU_STUB_EGTP_H__
 #define __CU_STUB_EGTP_H__
 
-#include "cu_stub.h"
-#include "cm_inet.h"
-#include "cm_tpt.h"
- 
-#include "cm_inet.x"
-#include "cm_tpt.x"
-
-#define EGTP_DFLT_PORT 2152
+#define EGTP_RECVR_PORT 2152 /* As per the spec 29.281, the registered port number for GTP-U is 2152 */
 #define EGTP_TNL_MGMT_ADD 1
 #define EGTP_TNL_MGMT_MOD 2
 #define EGTP_TNL_MGMT_DEL 3
@@ -47,8 +40,15 @@
 #define EGTP_MASK_BIT7                   0x40
 #define EGTP_MASK_BIT8                   0x80
 
-U8         sockType;
-U8         protType;
+/*VALID Tunnel ID*/
+#define MIN_TEID 1   /*[Spec 29.281,Sec 5.1]: All Zero TEIDs are never assigned for setting up GTP-U Tunnel*/
+#define MAX_TEID MAX_NUM_DRB * MAX_NUM_UE /*[Spec 29.281]: Max limit is not mentioned but as per GTP-U Header Format, TEID occupies 4 octets */
+
+#define NUM_TUNNEL_TO_PUMP_DATA 4
+#define NUM_DL_PACKETS 1
+
+uint8_t         sockType;
+uint8_t         protType;
 
 typedef enum egtpMsgType
 {
@@ -65,18 +65,18 @@ typedef enum egtpMsgType
 /*Extension Header */
 typedef struct egtpExtHdr
 {
-   TknU16   udpPort;                       /**< UDP Port */
-   TknU16   pdcpNmb;                       /**< PDCP Number */
+   TknUInt16   udpPort;                       /**< UDP Port */
+   TknUInt16   pdcpNmb;                       /**< PDCP Number */
 }EgtpExtHdr;
  
 /*Structure for MsgHdr */
 typedef struct egtpMsgHdr
 {
-   TknU8      nPdu;                      /**< N-PDU Number */
-   TknU32     seqNum;                    /**< Sequence Number */
+   TknUInt8   nPdu;                      /**< N-PDU Number */
+   TknUInt32  seqNum;                    /**< Sequence Number */
    EgtpExtHdr extHdr;                       /**< Extension headers present flag */
-   U32        teId;                         /**< Tunnel Endpoint Id */
-   U8         msgType;                      /**< eGTP-U Message Type */
+   uint32_t   teId;                         /**< Tunnel Endpoint Id */
+   uint8_t    msgType;                      /**< eGTP-U Message Type */
 }EgtpMsgHdr;
  
 typedef struct egtpMsg
@@ -87,9 +87,9 @@ typedef struct egtpMsg
 
 typedef struct egtpTnlEvt
 {
-   U8  action;
-   U32 lclTeid;
-   U32 remTeid;
+   uint8_t  action;
+   uint32_t lclTeid;
+   uint32_t remTeid;
 }EgtpTnlEvt;
 
 typedef struct egtpTptSrvr
@@ -100,45 +100,65 @@ typedef struct egtpTptSrvr
 
 typedef struct EgtpTeIdCb
 {
-   U32 teId;              /* Local tunnel id */
-   U32 remTeId;           /* Remote tunnel id */
+   uint32_t teId;              /* Local tunnel id */
+   uint32_t remTeId;           /* Remote tunnel id */
    struct
    {
-      U8 hdr[EGTP_MAX_HDR_LEN];
-      U8 cnt;
+      uint8_t hdr[EGTP_MAX_HDR_LEN];
+      uint8_t cnt;
    }preEncodedHdr;        /* Pre-encoded header for PDUs on this tunnel */
 }EgtpTeIdCb;
 
 typedef struct egtpDstCb
 {
+   uint32_t      duId;
    CmInetIpAddr  dstIp;          /* destination IP */
-   U16           dstPort;        /* Remote port that sends data */
+   uint16_t      dstPort;        /* Remote port that sends data */
    EgtpTptSrvr   sendTptSrvr;    /* Transport server for sending UDP msg to */
-   U32           numTunn;        /* Number of tunnels */
+   uint32_t      numTunn;        /* Number of tunnels */
    CmHashListCp  teIdLst;        /* Tunnel Id list for this destination */
 }EgtpDstCb;
 
+typedef struct egtpAssoc 
+{
+   SctpIpAddr  localIp;
+   uint16_t    localPort;
+   SctpIpAddr  destIp;
+   uint16_t    destPort;
+}EgtpAssoc;
+
+typedef struct cuEgtpParams
+{
+   uint32_t       currTunnelId;
+   uint32_t       minTunnelId;
+   uint32_t       maxTunnelId;
+   uint8_t        numDu;
+   EgtpAssoc      egtpAssoc[MAX_DU_SUPPORTED];
+}CuEgtpParams;
+
 typedef struct egtpGlobalCb
 {
-   EgtpParams   egtpCfg;         /* EGTP configuration */
+   CuEgtpParams egtpCfg;         /* EGTP configuration */
    EgtpTptSrvr  recvTptSrvr;     /* Transport server for receiving UDP msg */
-   EgtpDstCb    dstCb;           /* Destination endpoint */
+   uint8_t      numDu;
+   EgtpDstCb    dstCb[MAX_DU_SUPPORTED];          /* Destination endpoint */
+   uint8_t      gCntPdu[MAX_TEID+1]; /* Maintaining PDU count for each bearer */
 }EgtpGlobalCb;
-extern EgtpGlobalCb egtpCb;   /* EGTP global control block */
+EgtpGlobalCb egtpCb;   /* EGTP global control block */
 
 S16 egtpActvInit();
 S16 cuEgtpCfgReq();
 S16 cuEgtpSrvOpenReq();
-S16 cuEgtpTnlMgmtReq(EgtpTnlEvt tnlEvt);
-S16 cuEgtpTnlAdd(EgtpTnlEvt tnlEvt);
-S16 cuEgtpTnlMod(EgtpTnlEvt tnlEvt);
-S16 cuEgtpTnlDel(EgtpTnlEvt tnlEvt);
-S16 cuEgtpEncodeHdr(U8 *preEncodedHdr, EgtpMsgHdr *preDefHdr, U8 *hdrIdx);
+S16 cuEgtpTnlMgmtReq(uint32_t duId,EgtpTnlEvt tnlEvt);
+S16 cuEgtpTnlAdd(uint32_t duId, EgtpTnlEvt tnlEvt);
+S16 cuEgtpTnlMod(uint32_t duId,EgtpTnlEvt tnlEvt);
+S16 cuEgtpTnlDel(uint32_t duId,EgtpTnlEvt tnlEvt);
+S16 cuEgtpEncodeHdr(uint8_t *preEncodedHdr, EgtpMsgHdr *preDefHdr, uint8_t *hdrIdx);
 S16 cuEgtpHdlRecvMsg(Buffer *mBuf);
-S16 cuEgtpDatReq();
-S16 BuildAppMsg(EgtpMsg  *egtpMsg);
-S16 BuildEgtpMsg(EgtpMsg *egtpMsg);
-S16 cuEgtpSendMsg(Buffer *mBuf);
+uint16_t cuEgtpDatReq(uint32_t duId, uint8_t teId);
+S16 BuildAppMsg(uint32_t duId, EgtpMsg  *egtpMsg);
+S16 BuildEgtpMsg(uint32_t duId, EgtpMsg *egtpMsg);
+S16 cuEgtpSendMsg(uint32_t duId, Buffer *mBuf);
 S16 cuEgtpDecodeHdr(Buffer *mBuf);
 
 #endif