1 /*******************************************************************************
2 ################################################################################
3 # Copyright (c) [2017-2019] [Radisys] #
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 #
9 # http://www.apache.org/licenses/LICENSE-2.0 #
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 *******************************************************************************/
19 /* This file contains all SCTP related functionality */
25 #define MAX_IPV6_LEN 16
26 #define MAX_DU_SUPPORTED 2
27 #define MAX_REMOTE_CU_SUPPORTED 1
28 #define MAX_ASSOC_SUPPORTED (MAX_DU_SUPPORTED + MAX_REMOTE_CU_SUPPORTED)
30 /* Global variable declaration */
31 extern uint8_t socket_type; /* Socket type */
54 CmInetSctpSndRcvInfo info;
55 CmInetSctpNotification ntfy;
60 InterfaceType intf; /* F1 or Xn Interface */
61 uint32_t destId; /* For F1 interface, this is DU ID. For Xn, this is remote CU ID */
62 uint16_t destPort; /* DU PORTS */
64 CmInetFd sockFd; /* Socket file descriptor */
66 CmInetNetAddrLst destAddrLst; /* Remote IP address list */
67 CmInetNetAddr destIpNetAddr; /* Remote IP network address */
68 Bool connUp; /* Is connection up */
76 uint8_t ipV6Addr[MAX_IPV6_LEN];
79 typedef struct sctpDestInfo
81 SctpIpAddr destIpAddr;
85 typedef struct sctpCfgPerIntf
88 NodeType localNodeType; /* Local node acts as Server or client while establishing SCTP assoc */
90 SctpDestInfo destCb[MAX_ASSOC_SUPPORTED];
93 typedef struct cuSctpParams
95 SctpIpAddr localIpAddr;
96 SctpCfgPerIntf f1SctpInfo;
97 SctpCfgPerIntf xnSctpInfo;
102 CuSctpParams sctpCfg;
103 CmInetNetAddrLst localAddrLst;
104 CmInetFd f1LstnSockFd; /* Listening Socket file descriptor for F1 association */
105 CmInetFd xnLstnSockFd; /* Listening Socket file descriptor for Xn association */
106 NodeType localXnNodeType; /* Local node acts as Server or client while establishing SCTP assoc at Xn interface */
108 CuSctpAssocCb assocCb[MAX_ASSOC_SUPPORTED];
111 extern SctpGlobalCb sctpCb;
113 uint8_t sctpActvInit();
114 uint8_t sctpStartReq();
115 uint8_t sctpSend(InterfaceType intf, uint32_t destId, Buffer *mBuf);
116 uint8_t sctpCfgReq();
118 uint8_t fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr);
119 uint8_t fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr);
120 uint8_t sctpSetSockOpts(CmInetFd *sock_Fd);
121 uint8_t sctpSockPoll();
122 uint8_t sctpAccept(CmInetFd *lstnSockFd, CuSctpAssocCb *assocCb);
123 uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpAssocCb *assocCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo);
126 /**********************************************************************
128 **********************************************************************/