X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fcu_stub%2Fcu_stub_sctp.h;h=d8128144e2f6085fe3f25ece0451def25b2a28f7;hb=d6b8cf5c9afbba0fada62efd626d56cb59c1e839;hp=ed09e27691cb1497480d76cef0bdb41704a6e5ff;hpb=bd2905b5f651349abafb7934a952414d7c24e291;p=o-du%2Fl2.git

diff --git a/src/cu_stub/cu_stub_sctp.h b/src/cu_stub/cu_stub_sctp.h
index ed09e2769..d8128144e 100644
--- a/src/cu_stub/cu_stub_sctp.h
+++ b/src/cu_stub/cu_stub_sctp.h
@@ -23,11 +23,25 @@
 
 #define MAX_RETRY 5
 #define MAX_IPV6_LEN 16
-#define MAX_DU_SUPPORTED 1
+#define MAX_DU_SUPPORTED 2
+#define MAX_REMOTE_CU_SUPPORTED 1
+#define MAX_ASSOC_SUPPORTED (MAX_DU_SUPPORTED + MAX_REMOTE_CU_SUPPORTED)
 
 /* Global variable declaration */
 uint8_t   socket_type;      /* Socket type */
 
+typedef enum
+{
+   F1_INTERFACE,
+   XN_INTERFACE
+}InterfaceType;
+
+typedef enum
+{
+   SERVER,
+   CLIENT
+}NodeType;
+
 typedef struct
 {
    S16              numFd;
@@ -43,18 +57,16 @@ typedef struct
 
 typedef struct
 {
-   uint32_t         duId;
+   InterfaceType    intf;             /* F1 or Xn Interface */
+   uint32_t         destId;           /* For F1 interface, this is DU ID. For Xn, this is remote CU ID */
    uint16_t         destPort;         /* DU PORTS */
-   uint16_t         srcPort;
    Bool             bReadFdSet;
    CmInetFd         sockFd;           /* Socket file descriptor */
    CmInetAddr       peerAddr;
-   CmInetFd         lstnSockFd;       /* Listening Socket file descriptor */
-   CmInetNetAddrLst destAddrLst;      /* DU Ip address */
-   CmInetNetAddrLst localAddrLst;
-   CmInetNetAddr    destIpNetAddr;    /* DU Ip address */ 
+   CmInetNetAddrLst destAddrLst;      /* Remote IP address list */
+   CmInetNetAddr    destIpNetAddr;    /* Remote IP network address */ 
    Bool             connUp;           /* Is connection up */
-}CuSctpDestCb;
+}CuSctpAssocCb;
 
 typedef struct ipAddr
 {
@@ -64,40 +76,51 @@ typedef struct ipAddr
  uint8_t   ipV6Addr[MAX_IPV6_LEN];
 }SctpIpAddr;
 
-typedef struct sctpAssocInfo
+typedef struct sctpDestInfo
+{
+   SctpIpAddr  destIpAddr;
+   uint16_t    destPort;
+}SctpDestInfo;
+
+typedef struct sctpCfgPerIntf
 {
-   SctpIpAddr  duIpAddr;
-   uint16_t    duPort;
-   SctpIpAddr  cuIpAddr;
-   uint16_t    cuPort;
-}SctpAssocInfo;
+   uint16_t       port;
+   NodeType       localNodeType; /* Local node acts as Server or client while establishing SCTP assoc */
+   uint8_t        numDestNode; 
+   SctpDestInfo   destCb[MAX_ASSOC_SUPPORTED];
+}SctpCfgPerIntf;
 
 typedef struct cuSctpParams
 {
-   uint8_t        numDu;
-   SctpAssocInfo  sctpAssoc[MAX_DU_SUPPORTED];
+   SctpIpAddr     localIpAddr;
+   SctpCfgPerIntf f1SctpInfo;
+   SctpCfgPerIntf xnSctpInfo;
 }CuSctpParams;
 
 typedef struct
 {
-   CuSctpParams sctpCfg;
-   uint8_t      numDu;
-   CuSctpDestCb destCb[MAX_DU_SUPPORTED]; 
+   CuSctpParams     sctpCfg;
+   CmInetNetAddrLst localAddrLst;
+   CmInetFd         f1LstnSockFd;       /* Listening Socket file descriptor for F1 association */
+   CmInetFd         xnLstnSockFd;       /* Listening Socket file descriptor for Xn association */
+   NodeType         localXnNodeType;    /* Local node acts as Server or client while establishing SCTP assoc at Xn interface */
+   uint8_t          numAssoc;
+   CuSctpAssocCb    assocCb[MAX_ASSOC_SUPPORTED];
 }SctpGlobalCb;
 
 SctpGlobalCb sctpCb;
 
 uint8_t sctpActvInit();
 uint8_t sctpStartReq();
-uint8_t sctpSend(uint32_t duId, Buffer *mBuf);
+uint8_t sctpSend(InterfaceType intf, uint32_t destId, Buffer *mBuf);
 uint8_t sctpCfgReq();
 
 uint8_t fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr);
 uint8_t fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr);
 uint8_t sctpSetSockOpts(CmInetFd *sock_Fd);
 uint8_t sctpSockPoll();
-uint8_t sctpAccept(CuSctpDestCb *destCb);
-uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpDestCb *destCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo);
+uint8_t sctpAccept(CmInetFd *lstnSockFd, CuSctpAssocCb *assocCb);
+uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpAssocCb *assocCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo);
 #endif
 
 /**********************************************************************