8cb745615495a435027e1e36a56a96cb73bdacfd
[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
33 /* Global variable declaration */
34 uint8_t   socket_type;      /* Socket type */
35 Bool nonblocking;      /* Blocking/Non-blocking socket */
36 Bool connUp;           /* Is connection up */
37 int  assocId;          /* Assoc Id of connected assoc */
38   
39 CuSctpParams sctpCfg;            /* SCTP configurations at DU */
40
41 typedef struct
42 {
43    S16              numFd;
44    uint16_t         port;   
45    uint32_t         flag;
46    Buffer           *mBuf;
47    MsgLen           bufLen; 
48    CmInetNetAddr    addr;
49    CmInetFdSet      readFd;
50    CmInetSctpSndRcvInfo   info;
51    CmInetSctpNotification ntfy;
52 }sctpSockPollParams;
53
54 typedef struct
55 {
56    uint16_t         destPort;         /* DU PORTS */
57    uint16_t         srcPort;
58    Bool             bReadFdSet;
59    CmInetFd         sockFd;           /* Socket file descriptor */
60    CmInetAddr       peerAddr;
61    CmInetFd         lstnSockFd;       /* Listening Socket file descriptor */
62    CmInetNetAddrLst destAddrLst;      /* DU Ip address */
63    CmInetNetAddrLst localAddrLst;
64    CmInetNetAddr    destIpNetAddr;    /* DU Ip address */ 
65 }CuSctpDestCb;
66
67 S16 sctpActvInit();
68 S16 sctpStartReq();
69 S16 sctpSend(Buffer *mBuf);
70 S16 sctpCfgReq();
71
72 S16 fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr);
73 S16 fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr);
74 S16 sctpSetSockOpts(CmInetFd *sock_Fd);
75 S16 sctpSockPoll();
76 S16 sctpAccept(CmInetFd *lstnSock_Fd, CmInetAddr *peerAddr, CmInetFd *sock_Fd);
77 S16 processPolling(sctpSockPollParams *pollParams, CmInetFd *sockFd, uint32_t *timeoutPtr, CmInetMemInfo *memInfo);
78 #endif
79
80 /**********************************************************************
81          End of file
82  **********************************************************************/