sysmocom
/
open5gs
forked from acouzens/open5gs
11
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[SGsAP] build LOCATION-UPDATE-REQUEST

This commit is contained in:
Sukchan Lee 2019-06-20 21:22:51 +09:00
parent 95586eaf09
commit c284ef7429
9 changed files with 79 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/mme/emm-handler.c
View File

@ -128,6 +128,8 @@ int emm_handle_attach_request(
{
char imsi_bcd[MAX_IMSI_BCD_LEN+1];
memcpy(&mme_ue->nas_mobile_identity_imsi,
&eps_mobile_identity->imsi, sizeof(nas_mobile_identity_imsi_t));
nas_imsi_to_bcd(
&eps_mobile_identity->imsi, eps_mobile_identity->length,
imsi_bcd);
@ -284,6 +286,8 @@ int emm_handle_identity_response(
{
char imsi_bcd[MAX_IMSI_BCD_LEN+1];
memcpy(&mme_ue->nas_mobile_identity_imsi,
&mobile_identity->imsi, sizeof(nas_mobile_identity_imsi_t));
nas_imsi_to_bcd(
&mobile_identity->imsi, mobile_identity->length, imsi_bcd);
mme_ue_set_imsi(mme_ue, imsi_bcd);

1
src/mme/mme-context.c
View File

@ -2137,7 +2137,6 @@ mme_ue_t* mme_ue_find_by_message(nas_message_t *message)
&eps_mobile_identity->imsi, eps_mobile_identity->length,
imsi_bcd);
mme_ue = mme_ue_find_by_imsi_bcd(imsi_bcd);
if (mme_ue) {
ogs_trace("known UE by IMSI[%s]", imsi_bcd);

1
src/mme/mme-context.h
View File

@ -266,6 +266,7 @@ struct mme_ue_s {
uint8_t imsi[MAX_IMSI_LEN];
int imsi_len;
char imsi_bcd[MAX_IMSI_BCD_LEN+1];
nas_mobile_identity_imsi_t nas_mobile_identity_imsi;
mme_m_tmsi_t *m_tmsi;
nas_guti_t guti;

45
src/mme/sgsap-build.c
View File

@ -19,29 +19,10 @@
#include "mme-context.h"
#include "sgsap-types.h"
#include "sgsap-build.h"
#include "sgsap-conv.h"
#define SGSAP_IE_IMSI_TYPE 1
#define SGSAP_IE_IMSI_LEN MAX_IMSI_LEN
#define SGSAP_IE_VLR_NAME_TYPE 2
#define SGSAP_IE_VLR_NAME_LEN 256
#define SGSAP_IE_LAI_TYPE 4
#define SGSAP_IE_LAI_LEN 5
#define SGSAP_IE_MME_NAME_TYPE 9
#define SGSAP_IE_MME_NAME_LEN 55
#define SGSAP_IE_EPS_UPDATE_TYPE 10
#define SGSAP_IE_EPS_UPDATE_LEN 1
#define SGSAP_IE_MOBILE_IDENTITY_TYPE 14
#define SGSAP_IE_MOBILE_IDENTITY_LEN 5
#define SGSAP_IE_SERVICE_INDICATOR_TYPE 32
#define SGSAP_IE_SERVICE_INDICATOR_LEN 1
#define SGSAP_IE_UE_EMM_MODE_TYPE 37
#define SGSAP_IE_UE_EMM_MODE_LEN 1
#define SGSAP_EPS_UPDATE_IMSI_ATTACH 1
#define SGSAP_EPS_UPDATE_NORMAL 2
ogs_pkbuf_t *sgsap_build_location_update_request(mme_ue_t *mme_ue)
{
mme_vlr_t *vlr = NULL;
@ -52,16 +33,16 @@ ogs_pkbuf_t *sgsap_build_location_update_request(mme_ue_t *mme_ue)
served_gummei_t *served_gummei = &mme_self()->served_gummei[0];
char eps_update_type;
uint32_t len;
const char *p;
nas_lai_t lai;
ogs_assert(mme_ue);
vlr = mme_ue->vlr;
ogs_assert(vlr);
root = ogs_tlv_add(NULL, SGSAP_IE_IMSI_TYPE, SGSAP_IE_IMSI_LEN, 0,
mme_ue->imsi);
(uint8_t *)&mme_ue->nas_mobile_identity_imsi);
sgsap_to_mme_name(mme_name, SGSAP_IE_MME_NAME_LEN+1,
mme_name_build(mme_name, SGSAP_IE_MME_NAME_LEN+1,
served_gummei->mme_code[0],
served_gummei->mme_gid[0],
&served_gummei->plmn_id[0]);;
@ -70,23 +51,19 @@ ogs_pkbuf_t *sgsap_build_location_update_request(mme_ue_t *mme_ue)
eps_update_type = SGSAP_EPS_UPDATE_IMSI_ATTACH;
ogs_tlv_add(root, SGSAP_IE_EPS_UPDATE_TYPE, SGSAP_IE_EPS_UPDATE_LEN, 0,
(uint8_t *)&eps_update_type);
memcpy(&lai, &vlr->lai, sizeof(nas_lai_t));
lai.lac = htons(lai.lac);
ogs_tlv_add(root, SGSAP_IE_LAI_TYPE, SGSAP_IE_LAI_LEN, 0,
(uint8_t *)&vlr->lai);
(uint8_t *)&lai);
pkbuf = ogs_pkbuf_alloc(NULL, MAX_SDU_LEN);
ogs_pkbuf_put(pkbuf, MAX_SDU_LEN);
ogs_pkbuf_put_u8(pkbuf, SGSAP_LOCATION_UPDATE_REQUEST);
ogs_pkbuf_put(pkbuf, MAX_SDU_LEN-1);
len = ogs_tlv_render(root,
pkbuf->data+1, MAX_SDU_LEN-1, OGS_TLV_MODE_T1_L1);
p = pkbuf->data;
ogs_tlv_free_all(root);
ogs_pkbuf_trim(pkbuf, len+1);
printf("len = %d\n", len);
{
int i;
for (i = 0; i < len; i++) {
const char *p = pkbuf->data;
printf("%x\n", p[i]);
}
}
return pkbuf;
}

10
src/mme/sgsap-build.h
View File

@ -20,22 +20,12 @@
#ifndef SGSAP_BUILD_H
#define SGSAP_BUILD_H
#include "asn1c/s1ap-message.h"
#include "mme-context.h"
#include "sbc-message.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SGSAP_PAGING_REQUEST 1
#define SGSAP_SERVICE_REQUEST 6
#define SGSAP_LOCATION_UPDATE_REQUEST 9
#define SGSAP_LOCATION_UPDATE_ACCEPT 10
#define SGSAP_TMSI_REALLOCATION_COMPLETE 12
#define SGSAP_MO_CSFB_INDICIATION 24
ogs_pkbuf_t *sgsap_build_location_update_request(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_tmsi_reallocation_complete(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_service_request(mme_ue_t *mme_ue);

4
src/mme/sgsap-conv.c
View File

@ -19,14 +19,14 @@
#include "sgsap-conv.h"
char *sgsap_to_mme_name(char *buf, size_t size,
char *mme_name_build(char *buf, size_t size,
uint32_t mme_code, uint16_t mme_gid, plmn_id_t *plmn_id)
{
ogs_assert(buf);
ogs_assert(plmn_id);
if (ogs_snprintf(buf, size,
"mmec%02d.mmegi%04d.mme.epc.mnc%03d.mcc%03d.3gppnetwork.org",
mme_code, mme_gid, plmn_id_mnc(plmn_id), plmn_id_mcc(plmn_id) < 0)) {
mme_code, mme_gid, plmn_id_mnc(plmn_id), plmn_id_mcc(plmn_id)) < 0) {
ogs_error("Cannot make MME name");
return NULL;
}

2
src/mme/sgsap-conv.h
View File

@ -26,7 +26,7 @@
extern "C" {
#endif
char *sgsap_to_mme_name(char *buf, size_t size,
char *mme_name_build(char *buf, size_t size,
uint32_t mme_code, uint16_t mme_gid, plmn_id_t *plmn_id);
#ifdef __cplusplus

58
src/mme/sgsap-types.h Normal file
View File

@ -0,0 +1,58 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* 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 <https://www.gnu.org/licenses/>.
*/
#ifndef SGSAP_TYPES_H
#define SGSAP_TYPES_H
#ifdef __cplusplus
extern "C" {
#endif
#define SGSAP_PAGING_REQUEST 1
#define SGSAP_SERVICE_REQUEST 6
#define SGSAP_LOCATION_UPDATE_REQUEST 9
#define SGSAP_LOCATION_UPDATE_ACCEPT 10
#define SGSAP_TMSI_REALLOCATION_COMPLETE 12
#define SGSAP_MO_CSFB_INDICIATION 24
#define SGSAP_IE_IMSI_TYPE 1
#define SGSAP_IE_IMSI_LEN MAX_IMSI_LEN
#define SGSAP_IE_VLR_NAME_TYPE 2
#define SGSAP_IE_VLR_NAME_LEN 256
#define SGSAP_IE_LAI_TYPE 4
#define SGSAP_IE_LAI_LEN 5
#define SGSAP_IE_MME_NAME_TYPE 9
#define SGSAP_IE_MME_NAME_LEN 55
#define SGSAP_IE_EPS_UPDATE_TYPE 10
#define SGSAP_IE_EPS_UPDATE_LEN 1
#define SGSAP_IE_MOBILE_IDENTITY_TYPE 14
#define SGSAP_IE_MOBILE_IDENTITY_LEN 5
#define SGSAP_IE_SERVICE_INDICATOR_TYPE 32
#define SGSAP_IE_SERVICE_INDICATOR_LEN 1
#define SGSAP_IE_UE_EMM_MODE_TYPE 37
#define SGSAP_IE_UE_EMM_MODE_LEN 1
#define SGSAP_EPS_UPDATE_IMSI_ATTACH 1
#define SGSAP_EPS_UPDATE_NORMAL 2
#ifdef __cplusplus
}
#endif
#endif /* SGSAP_TYPES_H */

2
tests/csfb/csfb-test.c
View File

@ -201,9 +201,11 @@ static void test1_func(abts_case *tc, void *data)
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
#if 0
/* Receive Initial Context Setup Request +
* Attach Accept +