Robert Schmidt
0b91791f67
OAI is riddled with boolean_t, FALSE, TRUE, etc. This makes no sense, as there is a standard bool type, and could lead to nasty bugs if a definition of a bool is non-standard (0 == false, true == !false). This commit removes all non-standard bools in the whole project.
213 lines
8.2 KiB
C
213 lines
8.2 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.openairinterface.org/?page_id=698
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
/*****************************************************************************
|
|
Source esmData.h
|
|
|
|
Version 0.1
|
|
|
|
Date 2012/12/04
|
|
|
|
Product NAS stack
|
|
|
|
Subsystem EPS Session Management
|
|
|
|
Author Frederic Maurel
|
|
|
|
Description Defines internal private data handled by EPS Session
|
|
Management sublayer.
|
|
|
|
*****************************************************************************/
|
|
#include <stdio.h> // sprintf
|
|
#include <stdbool.h>
|
|
|
|
#include "networkDef.h"
|
|
#include "OctetString.h"
|
|
#include "EpsBearerIdentity.h"
|
|
|
|
|
|
#ifndef __ESMDATA_H__
|
|
#define __ESMDATA_H__
|
|
|
|
/****************************************************************************/
|
|
/********************* G L O B A L C O N S T A N T S *******************/
|
|
/****************************************************************************/
|
|
|
|
/* Total number of active EPS bearers */
|
|
#define ESM_DATA_EPS_BEARER_TOTAL 11
|
|
#define ESM_SAP_BUFFER_SIZE 4096
|
|
|
|
/****************************************************************************/
|
|
/************************ G L O B A L T Y P E S ************************/
|
|
/****************************************************************************/
|
|
|
|
/*
|
|
* --------------------------------------------------------------------------
|
|
* Internal data handled by the default EPS bearer context activation
|
|
* procedure in the UE
|
|
* --------------------------------------------------------------------------
|
|
*/
|
|
typedef struct {
|
|
int ebi; /* EPS bearer identity of the default EPS bearer associated
|
|
* to the PDN connection to be activated */
|
|
} default_eps_bearer_context_data_t;
|
|
|
|
/*
|
|
* Minimal and maximal value of an EPS bearer identity:
|
|
* The EPS Bearer Identity (EBI) identifies a message flow
|
|
*/
|
|
#define ESM_EBI_MIN (EPS_BEARER_IDENTITY_FIRST)
|
|
#define ESM_EBI_MAX (EPS_BEARER_IDENTITY_LAST)
|
|
|
|
/* EPS bearer context states */
|
|
typedef enum {
|
|
ESM_EBR_INACTIVE, /* No EPS bearer context exists */
|
|
ESM_EBR_ACTIVE, /* The EPS bearer context is active,
|
|
* in the UE, in the network */
|
|
ESM_EBR_STATE_MAX
|
|
} esm_ebr_state;
|
|
|
|
/*
|
|
* -----------------------
|
|
* EPS bearer context data
|
|
* -----------------------
|
|
*/
|
|
typedef struct esm_ebr_context_s {
|
|
unsigned char ebi; /* EPS bearer identity */
|
|
esm_ebr_state status; /* EPS bearer context status */
|
|
bool is_default_ebr; /* bool if the bearer context is associated
|
|
* to a default EPS bearer */
|
|
char cid; /* Identifier of the PDN context the EPS
|
|
* bearer context has been assigned to */
|
|
} esm_ebr_context_t;
|
|
|
|
typedef struct esm_ebr_data_s {
|
|
unsigned char index; /* Index of the next EPS bearer context
|
|
* identity to be used */
|
|
#define ESM_EBR_DATA_SIZE (ESM_EBI_MAX - ESM_EBI_MIN + 1)
|
|
esm_ebr_context_t *context[ESM_EBR_DATA_SIZE + 1];
|
|
} esm_ebr_data_t;
|
|
|
|
/*
|
|
* --------------------------------------------------------------------------
|
|
* Structure of data handled by EPS Session Management sublayer in the UE
|
|
* and in the MME
|
|
* --------------------------------------------------------------------------
|
|
*/
|
|
|
|
/*
|
|
* Structure of an EPS bearer
|
|
* --------------------------
|
|
* An EPS bearer is a logical concept which applies to the connection
|
|
* between two endpoints (UE and PDN Gateway) with specific QoS attri-
|
|
* butes. An EPS bearer corresponds to one Quality of Service policy
|
|
* applied within the EPC and E-UTRAN.
|
|
*/
|
|
typedef struct esm_bearer_s {
|
|
int bid; /* Identifier of the EPS bearer */
|
|
unsigned int ebi; /* EPS bearer identity */
|
|
network_qos_t qos; /* EPS bearer level QoS parameters */
|
|
network_tft_t tft; /* Traffic Flow Template for packet filtering */
|
|
} esm_bearer_t;
|
|
|
|
/*
|
|
* Structure of a PDN connection
|
|
* -----------------------------
|
|
* A PDN connection is the association between a UE represented by
|
|
* one IPv4 address and/or one IPv6 prefix and a PDN represented by
|
|
* an Access Point Name (APN).
|
|
*/
|
|
typedef struct esm_pdn_s {
|
|
unsigned int pti; /* Identity of the procedure transaction executed
|
|
* to activate the PDN connection entry */
|
|
bool is_emergency; /* Emergency bearer services indicator */
|
|
OctetString apn; /* Access Point Name currently in used */
|
|
int ambr; /* Aggregate Maximum Bit Rate of this APN */
|
|
int type; /* Address PDN type (IPv4, IPv6, IPv4v6) */
|
|
#define ESM_DATA_IPV4_ADDRESS_SIZE 4
|
|
#define ESM_DATA_IPV6_ADDRESS_SIZE 8
|
|
#define ESM_DATA_IP_ADDRESS_SIZE (ESM_DATA_IPV4_ADDRESS_SIZE + \
|
|
ESM_DATA_IPV6_ADDRESS_SIZE)
|
|
/* IPv4 PDN address and/or IPv6 prefix */
|
|
char ip_addr[ESM_DATA_IP_ADDRESS_SIZE+1];
|
|
bool addr_realloc; /* Indicates whether the UE is allowed to subsequently
|
|
* request another PDN connectivity to the same APN
|
|
* using an address PDN type (IPv4 or IPv6) other
|
|
* than the one already activated */
|
|
int n_bearers; /* Number of allocated EPS bearers;
|
|
* default EPS bearer is defined at index 0 */
|
|
#define ESM_DATA_EPS_BEARER_MAX 4
|
|
esm_bearer_t *bearer[ESM_DATA_EPS_BEARER_MAX];
|
|
} esm_pdn_t;
|
|
|
|
/*
|
|
* Structure of the ESM data
|
|
* -------------------------
|
|
* The EPS Session Management sublayer handles data related to PDN
|
|
* connections and EPS bearers. Each active PDN connection has a de-
|
|
* fault EPS bearer. Several dedicated EPS bearers may exist within
|
|
* a PDN connection.
|
|
*/
|
|
typedef struct esm_data_context_s {
|
|
unsigned int ue_id;
|
|
|
|
int n_ebrs; /* Total number of active EPS bearer contexts */
|
|
int n_pdns; /* Number of active PDN connections */
|
|
int emergency; /* Indicates whether a PDN connection for emergency
|
|
* bearer services is established */
|
|
#define ESM_DATA_PDN_MAX 4
|
|
struct {
|
|
int pid; /* Identifier of the PDN connection */
|
|
bool is_active; /* true/false if the PDN connection is active/inactive
|
|
* or the process to activate/deactivate the PDN
|
|
* connection is in progress */
|
|
esm_pdn_t *data; /* Active PDN connection data */
|
|
} pdn[ESM_DATA_PDN_MAX+1];
|
|
|
|
esm_ebr_data_t ebr;
|
|
uint8_t send_buffer[ESM_SAP_BUFFER_SIZE];
|
|
} esm_data_context_t;
|
|
|
|
/*
|
|
* --------------------------------------------------------------------------
|
|
* ESM internal data handled by EPS Session Management sublayer in the UE
|
|
* --------------------------------------------------------------------------
|
|
*/
|
|
/*
|
|
* Structure of the ESM data
|
|
* -------------------------
|
|
*/
|
|
typedef esm_data_context_t esm_data_t;
|
|
|
|
/****************************************************************************/
|
|
/******************** G L O B A L V A R I A B L E S ********************/
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/****************** E X P O R T E D F U N C T I O N S ******************/
|
|
/****************************************************************************/
|
|
|
|
char *esm_data_get_ipv4_addr(const OctetString *ip_addr, char *ret);
|
|
char *esm_data_get_ipv6_addr(const OctetString *ip_addr, char *ret);
|
|
char *esm_data_get_ipv4v6_addr(const OctetString *ip_addr, char *ret);
|
|
|
|
#endif /* __ESMDATA_H__*/
|