#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 */
+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 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
{
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
+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;
+extern SctpGlobalCb sctpCb;
uint8_t sctpActvInit();
uint8_t sctpStartReq();
-uint8_t sctpSend(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
/**********************************************************************