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Fixed a bunch of compilation errors.

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master
Pedro Alvarez 7 years ago
parent a8a370ec21
commit ccbeb9e1c5
4 changed files with 97 additions and 78 deletions
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122
lib/include/srslte/asn1/gtpc.h
Unescape Escape View File

@ -146,68 +146,13 @@ const uint8_t GTPC_MSG_TYPE_MBMS_SESSION_STOP_RESPONSE = 236;
//Other
//240 - 255 For future use
/****************************************************************************
* GTP-C v2 Message
* Ref: 3GPP TS 29.274 v10.14.0
*
* This is the main structure to represent a GTP-C message. It is composed
* of one GTP-C header and one union of structures, which can hold
* all the possible GTP-C messages
***************************************************************************/
typedef struct gtpc_pdu
{
struct gtpc_header;
union gtpc_msg_choice;
} gtpc_pdu_t;
/****************************************************************************
* GTP-C v2 Header
* Ref: 3GPP TS 29.274 v10.14.0 Section 5
*
* | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
*
* 1 | Version | P | T | S | S | S |
* 2 | Message Type |
* 3 | Length (1st Octet) |
* 4 | Length (2nd Octet) |
* m | If T=1, TEID (1st Octet) |
* m+1 | If T=1, TEID (2nd Octet) |
* m+2 | If T=1, TEID (3st Octet) |
* m+3 | If T=1, TEID (4st Octet) |
* n | Sequence |
* n+1 | Sequence |
* n+2 | Sequence |
* n+3 | Spare |
***************************************************************************/
typedef struct gtpc_header
{
uint8_t version;
bool piggyback;
bool tied_present;
uint8_t msg_type;
uint64_t teid;
uint64_t sequence;
} gtpc_header_t;
/****************************************************************************
* GTP-C v2 Header
* Ref: 3GPP TS 29.274 v10.14.0 Section 5
*
* Union that hold the different structures for the possible message types.
***************************************************************************/
typedef union gtpc_msg_choice
{
struct gtpc_create_session_request create_session_request;
};
/****************************************************************************
*
* GTP-C v2 Create Session Request
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.1-1
*
***************************************************************************/
/*
typedef struct gtpc_create_session_request
{
bool imsi_present;
@ -216,6 +161,7 @@ typedef struct gtpc_create_session_request
uint64_t msisdn; // C
bool mei_present;
uint64_t mei; // C/CO
/*
bool user_location_info_present;
struct user_location_info_ uli; // C/CO
bool serving_network_present;
@ -244,7 +190,7 @@ typedef struct gtpc_create_session_request
uint8_t linked_eps_bearer_id; // C
bool pco_present;
uint8_t pco; // C
struct bearer_context_ bearer_context_created; // M
bool bearer_context_deleted_present;
struct bearer_context_ bearer_context_deleted; // C
@ -275,8 +221,68 @@ typedef struct gtpc_create_session_request
bool acpo_present;
uint8_t apco; // CO
bool ext; // O
*/
} gtpc_create_session_request_t;
*/
/****************************************************************************
* GTP-C v2 Header
* Ref: 3GPP TS 29.274 v10.14.0 Section 5
*
* | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
*
* 1 | Version | P | T | S | S | S |
* 2 | Message Type |
* 3 | Length (1st Octet) |
* 4 | Length (2nd Octet) |
* m | If T=1, TEID (1st Octet) |
* m+1 | If T=1, TEID (2nd Octet) |
* m+2 | If T=1, TEID (3st Octet) |
* m+3 | If T=1, TEID (4st Octet) |
* n | Sequence |
* n+1 | Sequence |
* n+2 | Sequence |
* n+3 | Spare |
***************************************************************************/
typedef struct gtpc_header
{
uint8_t version;
bool piggyback;
bool teid_present;
uint8_t type;
uint64_t teid;
uint64_t sequence;
} gtpc_header_t;
/****************************************************************************
* GTP-C v2 Payload
* Ref: 3GPP TS 29.274 v10.14.0 Section 5
*
* Union that hold the different structures for the possible message types.
***************************************************************************/
typedef union gtpc_msg_choice
{
struct gtpc_create_session_request create_session_request;
} gtpc_msg_choice_t;
/****************************************************************************
* GTP-C v2 Message
* Ref: 3GPP TS 29.274 v10.14.0
*
* This is the main structure to represent a GTP-C message. It is composed
* of one GTP-C header and one union of structures, which can hold
* all the possible GTP-C messages
***************************************************************************/
typedef struct gtpc_pdu
{
struct gtpc_header header;
union gtpc_msg_choice choice;
} gtpc_pdu_t;
};

9
lib/src/asn1/gtpc.cc
Unescape Escape View File

@ -25,17 +25,16 @@
*/
#include <stdint.h>
#include "srslte/asn1/gtpc.h"
#include "srslte/common/common.h"
namespace srslte{
/*
int
gtpc_pack_create_session_request(gtpc_create_session_request_t, srslte::byte_buffer_t)
{
if (imsi_present)
//FIXME
return 0;
}
*/
};

17
srsepc/hdr/mme/mme_gtpc.h
Unescape Escape View File

@ -26,22 +26,33 @@
#ifndef MME_GTPC_H
#define MME_GTPC_H
#include "srslte/common/buffer_pool.h"
#include <boost/thread/mutex.hpp>
#include "spgw/spgw.h"
namespace srsepc
{
class mme_gtpc
{
public:
mme_gtpc();
~mme_gtpc();
static mme_gtpc* get_instance(void);
static void cleanup(void);
void init();
void send_create_session_request(uint64_t imsi, struct create_session_response *cs_resp);
private:
mme_gtpc();
virtual ~mme_gtpc();
static mme_gtpc *m_instance;
srslte::byte_buffer_pool *m_pool;
spgw* m_spgw;
in_addr_t m_mme_gtpc_ip;
};
}

27
srsepc/src/mme/mme_gtpc.cc
Unescape Escape View File

@ -25,13 +25,15 @@
*/
#include <iostream>
#include "srslte/asn1/gtpc.h"
#include "mme/mme_gtpc.h"
namespace srsepc{
mme_gtpc* mme_gtpc::m_instance = NULL;
boost::mutex mme_gtpc_instance_mutex;
mme_gtpc::mme_gtpc():
mme_gtpc::mme_gtpc()
{
}
@ -63,32 +65,33 @@ mme_gtpc::cleanup(void)
void
mme_gtpc::init()
{
m_mme_gtpc_ip = inet_addr("127.0.0.1");//FIXME At the moment, the GTP-C messages are not sent over the wire. So this parameter is not used.
m_spgw = spgw::get_instance();
}
void
mme_gtpc::send_create_session_request(uint64_t imsi, struct create_session_response *cs_resp)
{
uint64_t imsi;
struct gtpc_pdu cs_req;
struct srslte::gtpc_pdu cs_req_pdu;
struct srslte::gtpc_create_session_request *cs_req = &cs_req_pdu.choice.create_session_request;
//Setup GTP-C Header. FIXME: Length, sequence and other fields need to be added.
cs_req.header.piggyback = false;
cs_req.header.teid_present = true;
cs_req.header.type = GTPC_MSG_TYPE_CREATE_SESSION_REQUEST;
cs_req.header.teid = 0; //Send create session request to the butler TEID
cs_req_pdu.header.piggyback = false;
cs_req_pdu.header.teid_present = true;
cs_req_pdu.header.teid = 0; //Send create session request to the butler TEID
cs_req_pdu.header.type = srslte::GTPC_MSG_TYPE_CREATE_SESSION_REQUEST;
//Setup GTP-C Create Session Request IEs
// Control TEID allocated \\
cs_req.create_session_request.sender_f_teid.tied = get_new_ctrl_teid();
cs_req.create_session_request.sender_f_teid.ip = htonl(m_mme_ip);
cs_req->sender_f_teid.tied = get_new_ctrl_teid();
cs_req->sender_f_teid.ip = m_mme_gtpc_ip;
// APN \\
memcpy(cs_req.create_session_request.apn, "internet", sizeof("internet"));
memcpy(cs_req->apn, "internet", sizeof("internet"));
// RAT Type \\
cs_req.create_session_request.rat_type = GTPC_RAT_TYPE::EUTRAN;
cs_req->rat_type = GTPC_RAT_TYPE::EUTRAN;
//Save RX Control TEID
create_rx_control_teid(create_session_request.sender_f_tied);
create_rx_control_teid(cs_req->sender_f_tied);
spgw->handle_create_session_request(&cs_req, cs_resp);
return;

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