#ifndef __DU_SCTP_H__
#define __DU_SCTP_H__
-#include <netinet/in.h>
-#include <netinet/sctp.h>
#include "du_mgr.h"
+#include "du_log.h"
+#include "cm_inet.h"
+#include "cm_tpt.h"
-S16 sctpActvInit(Ent entity, Inst inst, Region region, Reason reason);
-S16 sctpActvTsk(Pst *pst, Buffer *mBuf);
+#include "cm_inet.x"
+#include "cm_tpt.x"
-#define REALLY_BIG 65536
+#define DU_SCTP_DOWN 0
+#define DU_SCTP_UP 1
+#define DU_SCTP_CONNECTING 2
+#define MAX_RETRY 5
-/* Convenience structure to determine space needed for cmsg. */
-typedef union
-{
- struct sctp_initmsg init;
- struct sctp_sndrcvinfo sndrcvinfo;
-}_sctp_cmsg_data_t;
+/* Global variable declaration */
+U8 socket_type; /* Socket type */
+Bool nonblocking; /* Blocking/Non-blocking socket */
+Bool connUp; /* Is connection up */
+Bool pollingState;
+CmInetNetAddrLst localAddrLst;
+CmInetNetAddrLst remoteAddrLst;
-#define CMSG_SPACE_INITMSG (CMSG_SPACE(sizeof(struct sctp_initmsg)))
-#define CMSG_SPACE_SNDRCV (CMSG_SPACE(sizeof(struct sctp_sndrcvinfo)))
+typedef struct
+{
+ S16 numFd; /* Total count number of receivers socket Fd */
+ U16 port; /* Filled by the InetSctpRecvMsg during polling */
+ U32 flag; /* Refers to the notifyHandler Flag during successful InetSctpRecvMsg*/
+ Buffer *mBuf; /* Buffer filled during Socket polling*/
+ MsgLen bufLen; /* Determines the length of the Buffer filled during socket polling */
+ CmInetNetAddr addr; /* Determines the destination port filled during socket polling */
+ CmInetFdSet readFd; /* Refers to the Read Fd socket */
+ CmInetSctpSndRcvInfo info; /* Refers to Send Receivers Info*/
+ CmInetSctpNotification ntfy; /* Refers to the sctp Notification Message */
+}sctpSockPollParams;
-typedef union
+typedef struct
{
- struct sockaddr_storage ss;
- struct sockaddr_in v4;
- struct sockaddr_in6 v6;
- struct sockaddr sa;
-} sockaddr_storage_t;
+ U8 itfState; /* determines the interface State*/
+ U16 destPort; /* Refers to the destination port of F1/E2 */
+ U16 srcPort; /* Refers to respective src port of DU */
+ U32 assocId;
+ Bool recvMsgSet;
+ F1IpAddr destIpAddr; /* Refers to te destination Ip Address */
+ CmInetFd sockFd; /* Socket file descriptor */
+ CmInetNetAddrLst destAddrLst; /* Refers to the destinaiton Addr Lst in CmInetNetAddrLst format */
+ CmInetNetAddr destIpNetAddr; /* Refers to the destination Addr in CmInetNet Addr format */
+}DuSctpDestCb;
+
+/* Global variable declaration */
+DuSctpDestCb f1Params; /* SCTP configurations at DU */
+DuSctpDestCb ricParams; /* SCTP configurations at DU */
+
+
+S16 sctpActvInit(Ent entity, Inst inst, Region region, Reason reason);
+S16 sctpActvTsk(Pst *pst, Buffer *mBuf);
+void sctpAssocReq();
+void sendToDuApp(Buffer *mBuf, Event event);
+S16 sctpSend(Buffer *mBuf, U8 itfType);
+typedef S16 (*SctpNtfy) ARGS((Buffer *mBuf, CmInetSctpNotification *ntfy));
+S16 duSctpCfgReq(SctpParams sctpCfg);
+S16 fillAddrLst(CmInetNetAddrLst *addrLstPtr, F1IpAddr *ipAddr);
+S16 fillDestNetAddr(CmInetNetAddr *destAddrPtr, F1IpAddr *dstIpPtr);
+S16 establishReq(DuSctpDestCb *paramPtr);
+S16 duSctpAssocReq(U8 itfType);
+S16 duFillSctpPst(Pst *pst, Event event);
+S16 sctpSetSockOpts(CmInetFd *sock_Fd);
+S16 processPolling(sctpSockPollParams *pollParams, CmInetFd *sockFd, U32 *timeoutPtr, CmInetMemInfo *memInfo, Bool recvMsgSet);
+S16 sctpSockPoll();
#endif