E2AP review changes part1
[o-du/l2.git] / src / cu_stub / cu_stub_sctp.h
1 /*******************************************************************************
2 ################################################################################
3 #   Copyright (c) [2017-2019] [Radisys]                                        #
4 #                                                                              #
5 #   Licensed under the Apache License, Version 2.0 (the "License");            #
6 #   you may not use this file except in compliance with the License.           #
7 #   You may obtain a copy of the License at                                    #
8 #                                                                              #
9 #       http://www.apache.org/licenses/LICENSE-2.0                             #
10 #                                                                              #
11 #   Unless required by applicable law or agreed to in writing, software        #
12 #   distributed under the License is distributed on an "AS IS" BASIS,          #
13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
14 #   See the License for the specific language governing permissions and        #
15 #   limitations under the License.                                             #
16 ################################################################################
17 *******************************************************************************/
18
19 /* This file contains all SCTP related functionality */
20
21 #ifndef __CU_SCTP_H__
22 #define __CU_SCTP_H__
23
24 #include "cu_stub.h"
25 #include "cm_inet.h"
26 #include "cm_tpt.h"
27
28 #include "cm_inet.x"
29 #include "cm_tpt.x"
30
31 #define MAX_RETRY 5
32 #define DU_SCTP_DOWN 0
33 #define DU_SCTP_UP 1
34 #define DU_SCTP_CONNECTING 2
35
36 /* Global variable declaration */
37 U8   socket_type;      /* Socket type */
38 Bool nonblocking;      /* Blocking/Non-blocking socket */
39 Bool connUp;           /* Is connection up */
40 int  assocId;          /* Assoc Id of connected assoc */
41   
42 SctpParamsCu sctpCfg;            /* SCTP configurations at DU */
43 Bool pollingState; 
44 typedef struct
45 {
46    S16           numFds;
47    U16           port;   
48    U32           flag;
49    Buffer        *mBuf;
50    MsgLen        bufLen; 
51    CmInetNetAddr addr;
52    CmInetFdSet      readFd;
53    CmInetSctpSndRcvInfo   info;
54    CmInetSctpNotification ntfy;
55 }sctpSockPollParams;
56
57 typedef struct
58 {
59    U16              destPort;         /* DU PORTS */
60    U16              srcPort;
61    Bool             bReadFdSet;
62    CmInetFd         sockFd;           /* Socket file descriptor */
63    CmInetAddr       peerAddr;
64    CmInetFd         lstnSockFd;       /* Listening Socket file descriptor */
65    CmInetNetAddrLst destAddrLst;      /* DU Ip address */
66    CmInetNetAddrLst localAddrLst;
67    CmInetNetAddr    destIpNetAddr;    /* DU Ip address */ 
68 }CuSctpDestCb;
69
70 EXTERN S16 sctpActvInit();
71 EXTERN S16 sctpStartReq();
72 EXTERN S16 sctpSend(Buffer *mBuf);
73 EXTERN S16 sctpCfgReq();
74
75 S16 fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr);
76 S16 fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr);
77 S16 sctpSetSockOpts(CmInetFd *sock_Fd);
78 S16 sctpSockPoll();
79 S16 sctpAccept(CmInetFd *lstnSock_Fd, CmInetAddr *peerAddr, CmInetFd *sock_Fd);
80 S16 processPolling(sctpSockPollParams *pollParams, CmInetFd *sockFd, U32 *timeoutPtr, CmInetMemInfo *memInfo);
81 #endif
82
83 /**********************************************************************
84          End of file
85  **********************************************************************/