/* * Copyright (C) 2019 by Sukchan Lee * * This file is part of Open5GS. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #if !defined(OGS_PFCP_INSIDE) && !defined(OGS_PFCP_COMPILATION) #error "This header cannot be included directly." #endif #ifndef OGS_PFCP_XACT_H #define OGS_PFCP_XACT_H #ifdef __cplusplus extern "C" { #endif /** * Transaction context */ typedef struct ogs_pfcp_xact_s { ogs_lnode_t lnode; /**< A node of list */ ogs_index_t index; #define OGS_PFCP_LOCAL_ORIGINATOR 0 #define OGS_PFCP_REMOTE_ORIGINATOR 1 uint8_t org; /**< Transaction' originator. local or remote */ uint32_t xid; /**< Transaction ID */ ogs_pfcp_node_t *node; /**< Relevant PFCP node context */ /**< Local timer expiration handler & Data*/ void (*cb)(ogs_pfcp_xact_t *, void *); void *data; int step; /**< Current step in the sequence. 1 : Initial 2 : Triggered 3 : Triggered-Reply */ struct { uint8_t type; /**< Message type history */ ogs_pkbuf_t *pkbuf; /**< Packet history */ } seq[3]; /**< history for the each step */ ogs_timer_t *tm_response; /**< Timer waiting for next message */ uint8_t response_rcount; ogs_timer_t *tm_holding; /**< Timer waiting for holding message */ uint8_t holding_rcount; void *assoc_xact; /**< Associated GTP transaction */ ogs_pkbuf_t *gtpbuf; /**< GTP packet buffer */ void *assoc_session; /**< Associated SBI session */ bool epc; /**< EPC or 5GC */ #define OGS_PFCP_MODIFY_SESSION ((uint64_t)1<<0) #define OGS_PFCP_MODIFY_DL_ONLY ((uint64_t)1<<1) #define OGS_PFCP_MODIFY_UL_ONLY ((uint64_t)1<<2) #define OGS_PFCP_MODIFY_INDIRECT ((uint64_t)1<<3) #define OGS_PFCP_MODIFY_CREATE ((uint64_t)1<<4) #define OGS_PFCP_MODIFY_REMOVE ((uint64_t)1<<5) #define OGS_PFCP_MODIFY_TFT_UPDATE ((uint64_t)1<<6) #define OGS_PFCP_MODIFY_QOS_UPDATE ((uint64_t)1<<7) #define OGS_PFCP_MODIFY_ACTIVATE ((uint64_t)1<<8) #define OGS_PFCP_MODIFY_DEACTIVATE ((uint64_t)1<<9) #define OGS_PFCP_MODIFY_END_MARKER ((uint64_t)1<<10) #define OGS_PFCP_MODIFY_ERROR_INDICATION ((uint64_t)1<<11) uint64_t modify_flags; #define OGS_PFCP_DELETE_TRIGGER_UE_REQUESTED 1 #define OGS_PFCP_DELETE_TRIGGER_PCF_INITIATED 2 #define OGS_PFCP_DELETE_TRIGGER_RAN_INITIATED 3 #define OGS_PFCP_DELETE_TRIGGER_SMF_INITIATED 4 #define OGS_PFCP_DELETE_TRIGGER_AMF_RELEASE_SM_CONTEXT 5 #define OGS_PFCP_DELETE_TRIGGER_AMF_UPDATE_SM_CONTEXT 6 int delete_trigger; } ogs_pfcp_xact_t; int ogs_pfcp_xact_init(void); void ogs_pfcp_xact_final(void); ogs_pfcp_xact_t *ogs_pfcp_xact_local_create(ogs_pfcp_node_t *node, ogs_pfcp_header_t *hdesc, ogs_pkbuf_t *pkbuf, void (*cb)(ogs_pfcp_xact_t *xact, void *data), void *data); ogs_pfcp_xact_t *ogs_pfcp_xact_remote_create( ogs_pfcp_node_t *node, uint32_t sqn); ogs_pfcp_xact_t *ogs_pfcp_xact_cycle(ogs_pfcp_xact_t *xact); void ogs_pfcp_xact_delete_all(ogs_pfcp_node_t *node); int ogs_pfcp_xact_update_tx(ogs_pfcp_xact_t *xact, ogs_pfcp_header_t *hdesc, ogs_pkbuf_t *pkbuf); int ogs_pfcp_xact_update_rx(ogs_pfcp_xact_t *xact, uint8_t type); int ogs_pfcp_xact_commit(ogs_pfcp_xact_t *xact); int ogs_pfcp_xact_receive(ogs_pfcp_node_t *node, ogs_pfcp_header_t *h, ogs_pfcp_xact_t **xact); ogs_pfcp_xact_t *ogs_pfcp_xact_find(ogs_index_t index); ogs_pfcp_xact_t *ogs_pfcp_xact_find_by_xid( ogs_pfcp_node_t *node, uint8_t type, uint32_t xid); #ifdef __cplusplus } #endif #endif /* OGS_PFCP_XACT_H */