#ifndef __CU_SCTP_H__
#define __CU_SCTP_H__
-#include "cu_stub.h"
-#include "cm_inet.h"
-#include "cm_tpt.h"
-
-#include "cm_inet.x"
-#include "cm_tpt.x"
-
#define MAX_RETRY 5
+#define MAX_IPV6_LEN 16
+#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 */
-Bool nonblocking; /* Blocking/Non-blocking socket */
-Bool connUp; /* Is connection up */
-int assocId; /* Assoc Id of connected assoc */
-
-CuSctpParams sctpCfg; /* SCTP configurations at DU */
+extern uint8_t socket_type; /* Socket type */
+
+typedef enum
+{
+ F1_INTERFACE,
+ XN_INTERFACE
+}InterfaceType;
+
+typedef enum
+{
+ SERVER,
+ CLIENT
+}NodeType;
typedef struct
{
typedef struct
{
+ 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 destAddrLst; /* Remote IP address list */
+ CmInetNetAddr destIpNetAddr; /* Remote IP network address */
+ Bool connUp; /* Is connection up */
+}CuSctpAssocCb;
+
+typedef struct ipAddr
+{
+ Bool ipV4Pres;
+ uint32_t ipV4Addr;
+ Bool ipV6Pres;
+ uint8_t ipV6Addr[MAX_IPV6_LEN];
+}SctpIpAddr;
+
+typedef struct sctpDestInfo
+{
+ SctpIpAddr destIpAddr;
+ uint16_t destPort;
+}SctpDestInfo;
+
+typedef struct sctpCfgPerIntf
+{
+ 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
+{
+ SctpIpAddr localIpAddr;
+ SctpCfgPerIntf f1SctpInfo;
+ SctpCfgPerIntf xnSctpInfo;
+}CuSctpParams;
+
+typedef struct
+{
+ CuSctpParams sctpCfg;
CmInetNetAddrLst localAddrLst;
- CmInetNetAddr destIpNetAddr; /* DU Ip address */
-}CuSctpDestCb;
-
-EXTERN S16 sctpActvInit();
-EXTERN S16 sctpStartReq();
-EXTERN S16 sctpSend(Buffer *mBuf);
-EXTERN S16 sctpCfgReq();
-
-S16 fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr);
-S16 fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr);
-S16 sctpSetSockOpts(CmInetFd *sock_Fd);
-S16 sctpSockPoll();
-S16 sctpAccept(CmInetFd *lstnSock_Fd, CmInetAddr *peerAddr, CmInetFd *sock_Fd);
-S16 processPolling(sctpSockPollParams *pollParams, CmInetFd *sockFd, uint32_t *timeoutPtr, CmInetMemInfo *memInfo);
+ 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;
+
+extern SctpGlobalCb sctpCb;
+
+uint8_t sctpActvInit();
+uint8_t sctpStartReq();
+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(CmInetFd *lstnSockFd, CuSctpAssocCb *assocCb);
+uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpAssocCb *assocCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo);
#endif
/**********************************************************************