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[CSFB] Add Paging Reject

This commit is contained in:
Sukchan Lee 2019-07-12 23:18:17 +09:00
parent 9408bb6b4a
commit bedd68573e
8 changed files with 106 additions and 83 deletions
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22
src/mme/sgsap-build.c
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@ -188,23 +188,23 @@ ogs_pkbuf_t *sgsap_build_mo_csfb_indication(mme_ue_t *mme_ue)
return pkbuf; return pkbuf;
} }
ogs_pkbuf_t *sgsap_build_paging_reject(mme_ue_t *mme_ue) ogs_pkbuf_t *sgsap_build_paging_reject(
nas_mobile_identity_imsi_t *nas_mobile_identity_imsi,
int nas_mobile_identity_imsi_len, uint8_t sgs_cause)
{ {
mme_vlr_t *vlr = NULL;
ogs_tlv_t *root = NULL; ogs_tlv_t *root = NULL;
ogs_pkbuf_t *pkbuf = NULL; ogs_pkbuf_t *pkbuf = NULL;
nas_emm_cause_t emm_cause = 0; ogs_assert(nas_mobile_identity_imsi);
ogs_assert(nas_mobile_identity_imsi_len == SGSAP_IE_IMSI_LEN);
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, root = ogs_tlv_add(NULL, SGSAP_IE_IMSI_TYPE, SGSAP_IE_IMSI_LEN, 0,
&mme_ue->nas_mobile_identity_imsi); nas_mobile_identity_imsi);
emm_cause = EMM_CAUSE_ILLEGAL_UE; sgs_cause = SGSAP_SGS_CAUSE_IMSI_UNKNOWN;
ogs_tlv_add(root, SGSAP_IE_REJECT_CAUSE_TYPE, SGSAP_IE_REJECT_CAUSE_LEN, 0, ogs_tlv_add(root, SGSAP_IE_SGS_CAUSE_TYPE,
&emm_cause); SGSAP_IE_SGS_CAUSE_LEN, 0, &sgs_cause);
ogs_debug(" CAUSE[%d]", sgs_cause);
pkbuf = ogs_pkbuf_alloc(NULL, MAX_SDU_LEN); pkbuf = ogs_pkbuf_alloc(NULL, MAX_SDU_LEN);
ogs_pkbuf_put_u8(pkbuf, SGSAP_PAGING_REJECT); ogs_pkbuf_put_u8(pkbuf, SGSAP_PAGING_REJECT);

4
src/mme/sgsap-build.h
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@ -30,7 +30,9 @@ 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_tmsi_reallocation_complete(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_detach_indication(mme_ue_t *mme_ue); ogs_pkbuf_t *sgsap_build_detach_indication(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_mo_csfb_indication(mme_ue_t *mme_ue); ogs_pkbuf_t *sgsap_build_mo_csfb_indication(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_paging_reject(mme_ue_t *mme_ue); ogs_pkbuf_t *sgsap_build_paging_reject(
nas_mobile_identity_imsi_t *nas_mobile_identity_imsi,
int nas_mobile_identity_imsi_len, uint8_t sgs_cause);
ogs_pkbuf_t *sgsap_build_service_request(mme_ue_t *mme_ue, uint8_t emm_mode); ogs_pkbuf_t *sgsap_build_service_request(mme_ue_t *mme_ue, uint8_t emm_mode);
ogs_pkbuf_t *sgsap_build_reset_ack(mme_vlr_t *vlr); ogs_pkbuf_t *sgsap_build_reset_ack(mme_vlr_t *vlr);

13
src/mme/sgsap-handler.c
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@ -18,6 +18,7 @@
*/ */
#include "sgsap-types.h" #include "sgsap-types.h"
#include "sgsap-build.h"
#include "sgsap-path.h" #include "sgsap-path.h"
#include "mme-context.h" #include "mme-context.h"
@ -255,6 +256,7 @@ void sgsap_handle_paging_request(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf)
nas_lai_t *lai = NULL; nas_lai_t *lai = NULL;
char vlr_name[SGSAP_IE_VLR_NAME_LEN] = { 0, }; char vlr_name[SGSAP_IE_VLR_NAME_LEN] = { 0, };
uint8_t service_indicator = 0; uint8_t service_indicator = 0;
char imsi_bcd[MAX_IMSI_BCD_LEN+1];
ogs_assert(vlr); ogs_assert(vlr);
ogs_assert(pkbuf); ogs_assert(pkbuf);
@ -295,7 +297,6 @@ void sgsap_handle_paging_request(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf)
ogs_assert(nas_mobile_identity_imsi_len == SGSAP_IE_IMSI_LEN); ogs_assert(nas_mobile_identity_imsi_len == SGSAP_IE_IMSI_LEN);
if (nas_mobile_identity_imsi->type == NAS_MOBILE_IDENTITY_IMSI) { if (nas_mobile_identity_imsi->type == NAS_MOBILE_IDENTITY_IMSI) {
char imsi_bcd[MAX_IMSI_BCD_LEN+1];
nas_imsi_to_bcd(nas_mobile_identity_imsi, nas_imsi_to_bcd(nas_mobile_identity_imsi,
nas_mobile_identity_imsi_len, imsi_bcd); nas_mobile_identity_imsi_len, imsi_bcd);
@ -321,7 +322,15 @@ void sgsap_handle_paging_request(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf)
else else
nas_send_cs_service_notification(mme_ue); nas_send_cs_service_notification(mme_ue);
} else { } else {
sgsap_send_paging_reject(mme_ue); ogs_debug("[SGSAP] PAGING-REJECT");
ogs_debug(" IMSI[%s]", imsi_bcd);
sgsap_send_to_vlr_with_sid(
vlr,
sgsap_build_paging_reject(
nas_mobile_identity_imsi, nas_mobile_identity_imsi_len,
SGSAP_SGS_CAUSE_IMSI_UNKNOWN),
0);
} }
} }

16
src/mme/sgsap-path.c
View File

@ -178,22 +178,6 @@ int sgsap_send_mo_csfb_indication(mme_ue_t *mme_ue)
return OGS_OK; return OGS_OK;
} }
int sgsap_send_paging_reject(mme_ue_t *mme_ue)
{
int rv;
ogs_pkbuf_t *pkbuf = NULL;
ogs_assert(mme_ue);
ogs_debug("[SGSAP] PAGING-REJECT");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
pkbuf = sgsap_build_paging_reject(mme_ue);
rv = sgsap_send_to_vlr(mme_ue, pkbuf);
ogs_assert(rv == OGS_OK);
return OGS_OK;
}
int sgsap_send_service_request(mme_ue_t *mme_ue, uint8_t emm_mode) int sgsap_send_service_request(mme_ue_t *mme_ue, uint8_t emm_mode)
{ {
int rv; int rv;

1
src/mme/sgsap-path.h
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@ -46,7 +46,6 @@ int sgsap_send_location_update_request(mme_ue_t *mme_ue);
int sgsap_send_tmsi_reallocation_complete(mme_ue_t *mme_ue); int sgsap_send_tmsi_reallocation_complete(mme_ue_t *mme_ue);
int sgsap_send_detach_indication(mme_ue_t *mme_ue); int sgsap_send_detach_indication(mme_ue_t *mme_ue);
int sgsap_send_mo_csfb_indication(mme_ue_t *mme_ue); int sgsap_send_mo_csfb_indication(mme_ue_t *mme_ue);
int sgsap_send_paging_reject(mme_ue_t *mme_ue);
int sgsap_send_service_request(mme_ue_t *mme_ue, uint8_t emm_mode); int sgsap_send_service_request(mme_ue_t *mme_ue, uint8_t emm_mode);
int sgsap_send_reset_ack(mme_vlr_t *vlr); int sgsap_send_reset_ack(mme_vlr_t *vlr);

117
src/mme/sgsap-types.h
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@ -24,60 +24,77 @@
extern "C" { extern "C" {
#endif #endif
#define SGSAP_PAGING_REQUEST 1 #define SGSAP_PAGING_REQUEST 1
#define SGSAP_PAGING_REJECT 2 #define SGSAP_PAGING_REJECT 2
#define SGSAP_SERVICE_REQUEST 6 #define SGSAP_SERVICE_REQUEST 6
#define SGSAP_LOCATION_UPDATE_REQUEST 9 #define SGSAP_LOCATION_UPDATE_REQUEST 9
#define SGSAP_LOCATION_UPDATE_ACCEPT 10 #define SGSAP_LOCATION_UPDATE_ACCEPT 10
#define SGSAP_LOCATION_UPDATE_REJECT 11 #define SGSAP_LOCATION_UPDATE_REJECT 11
#define SGSAP_TMSI_REALLOCATION_COMPLETE 12 #define SGSAP_TMSI_REALLOCATION_COMPLETE 12
#define SGSAP_EPS_DETACH_INDICATION 17 #define SGSAP_EPS_DETACH_INDICATION 17
#define SGSAP_EPS_DETACH_ACK 18 #define SGSAP_EPS_DETACH_ACK 18
#define SGSAP_IMSI_DETACH_INDICATION 19 #define SGSAP_IMSI_DETACH_INDICATION 19
#define SGSAP_IMSI_DETACH_ACK 20 #define SGSAP_IMSI_DETACH_ACK 20
#define SGSAP_RESET_INDICATION 21 #define SGSAP_RESET_INDICATION 21
#define SGSAP_RESET_ACK 22 #define SGSAP_RESET_ACK 22
#define SGSAP_MO_CSFB_INDICIATION 24 #define SGSAP_MO_CSFB_INDICIATION 24
#define SGSAP_IE_IMSI_TYPE 1 #define SGSAP_IE_IMSI_TYPE 1
#define SGSAP_IE_IMSI_LEN MAX_IMSI_LEN #define SGSAP_IE_IMSI_LEN MAX_IMSI_LEN
#define SGSAP_IE_VLR_NAME_TYPE 2 #define SGSAP_IE_VLR_NAME_TYPE 2
#define SGSAP_IE_VLR_NAME_LEN MAX_FQDN_LEN #define SGSAP_IE_VLR_NAME_LEN MAX_FQDN_LEN
#define SGSAP_IE_LAI_TYPE 4 #define SGSAP_IE_LAI_TYPE 4
#define SGSAP_IE_LAI_LEN 5 #define SGSAP_IE_LAI_LEN 5
#define SGSAP_IE_MME_NAME_TYPE 9 #define SGSAP_IE_SGS_CAUSE_TYPE 8
#define SGSAP_IE_MME_NAME_LEN 55 #define SGSAP_IE_SGS_CAUSE_LEN 1
#define SGSAP_IE_EPS_UPDATE_TYPE 10 #define SGSAP_IE_MME_NAME_TYPE 9
#define SGSAP_IE_EPS_UPDATE_LEN 1 #define SGSAP_IE_MME_NAME_LEN 55
#define SGSAP_IE_MOBILE_IDENTITY_TYPE 14 #define SGSAP_IE_EPS_UPDATE_TYPE 10
#define SGSAP_IE_MOBILE_IDENTITY_LEN 5 #define SGSAP_IE_EPS_UPDATE_LEN 1
#define SGSAP_IE_REJECT_CAUSE_TYPE 15 #define SGSAP_IE_MOBILE_IDENTITY_TYPE 14
#define SGSAP_IE_REJECT_CAUSE_LEN 1 #define SGSAP_IE_MOBILE_IDENTITY_LEN 5
#define SGSAP_IE_EPS_DETACH_INDICATION_TYPE 16 #define SGSAP_IE_REJECT_CAUSE_TYPE 15
#define SGSAP_IE_EPS_DETACH_INDICATION_LEN 1 #define SGSAP_IE_REJECT_CAUSE_LEN 1
#define SGSAP_IE_IMSI_DETACH_INDICATION_TYPE 17 #define SGSAP_IE_EPS_DETACH_INDICATION_TYPE 16
#define SGSAP_IE_IMSI_DETACH_INDICATION_LEN 1 #define SGSAP_IE_EPS_DETACH_INDICATION_LEN 1
#define SGSAP_IE_SERVICE_INDICATOR_TYPE 32 #define SGSAP_IE_IMSI_DETACH_INDICATION_TYPE 17
#define SGSAP_IE_SERVICE_INDICATOR_LEN 1 #define SGSAP_IE_IMSI_DETACH_INDICATION_LEN 1
#define SGSAP_IE_TAI_TYPE 35 #define SGSAP_IE_SERVICE_INDICATOR_TYPE 32
#define SGSAP_IE_TAI_LEN 7 #define SGSAP_IE_SERVICE_INDICATOR_LEN 1
#define SGSAP_IE_E_CGI_TYPE 36 #define SGSAP_IE_TAI_TYPE 35
#define SGSAP_IE_E_CGI_LEN 9 #define SGSAP_IE_TAI_LEN 7
#define SGSAP_IE_UE_EMM_MODE_TYPE 37 #define SGSAP_IE_E_CGI_TYPE 36
#define SGSAP_IE_UE_EMM_MODE_LEN 1 #define SGSAP_IE_E_CGI_LEN 9
#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_IMSI_ATTACH 1
#define SGSAP_EPS_UPDATE_NORMAL 2 #define SGSAP_EPS_UPDATE_NORMAL 2
#define SGSAP_EPS_DETACH_NETWORK_INITIATED 1 #define SGSAP_EPS_DETACH_NETWORK_INITIATED 1
#define SGSAP_EPS_DETACH_UE_INITIATED 2 #define SGSAP_EPS_DETACH_UE_INITIATED 2
#define SGSAP_EPS_DETACH_EPS_SERVICE_NOT_ALLOWED 3 #define SGSAP_EPS_DETACH_EPS_SERVICE_NOT_ALLOWED 3
#define SGSAP_IMSI_DETACH_EXPLICIT_UE_INITIATED 1 #define SGSAP_IMSI_DETACH_EXPLICIT_UE_INITIATED 1
#define SGSAP_IMSI_DETACH_COMBINED_UE_INITIATED 2 #define SGSAP_IMSI_DETACH_COMBINED_UE_INITIATED 2
#define SGSAP_IMSI_DETACH_IMPLICIT_NETWORK_INITIATED 3 #define SGSAP_IMSI_DETACH_IMPLICIT_NETWORK_INITIATED 3
#define SGSAP_EMM_IDLE_MODE 0 #define SGSAP_EMM_IDLE_MODE 0
#define SGSAP_EMM_CONNECTED_MODE 1 #define SGSAP_EMM_CONNECTED_MODE 1
#define SGSAP_SGS_CAUSE_IMSI_DETACHED_EPS 1
#define SGSAP_SGS_CAUSE_IMSI_DETACHED_EPS_AND_NON_EPS 2
#define SGSAP_SGS_CAUSE_IMSI_UNKNOWN 3
#define SGSAP_SGS_CAUSE_IMSI_DETACHED_NON_EPS 4
#define SGSAP_SGS_CAUSE_IMSI_IMPLICITLY_DETACHED_NON_EPS 5
#define SGSAP_SGS_CAUSE_UE_UNREACHABLE 6
#define SGSAP_SGS_CAUSE_MESSAGE_NOT_COMPATIBLE_WITH_PROTOCOL_STATE 7
#define SGSAP_SGS_CAUSE_MISSING_MANDATORY_IE 8
#define SGSAP_SGS_CAUSE_INVALID_MANDATORY_IE 9
#define SGSAP_SGS_CAUSE_CONDITIONAL_IE_ERROR 10
#define SGSAP_SGS_CAUSE_SEMANTICALLY_INCORRECT_MESSAGE 11
#define SGSAP_SGS_CAUSE_MESSAGE_UNKNOWN 12
#define SGSAP_SGS_CAUSE_MT_CS_FALLBACK_REJECT_BY_USER 13
#define SGSAP_SGS_CAUSE_UE_TEMPORARILY_UNREACHABLE 14
#ifdef __cplusplus #ifdef __cplusplus
} }

5
tests/common/test-packet.c
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@ -3264,13 +3264,14 @@ int testsgsap_paging_request(ogs_pkbuf_t **pkbuf, int i)
char *payload[TESTS1AP_MAX_MESSAGE] = { char *payload[TESTS1AP_MAX_MESSAGE] = {
"0101082926240000 111893021003766c 72076578616d706c 65036e6574200101" "0101082926240000 111893021003766c 72076578616d706c 65036e6574200101"
"040509f1070926", "040509f1070926",
"", "0101082926240000 111892021003766c 72076578616d706c 65036e6574200101"
"040509f1070926",
"", "",
}; };
uint16_t len[TESTS1AP_MAX_MESSAGE] = { uint16_t len[TESTS1AP_MAX_MESSAGE] = {
39, 39,
0, 39,
0, 0,
}; };
char hexbuf[MAX_SDU_LEN]; char hexbuf[MAX_SDU_LEN];

11
tests/csfb/mt-idle-test.c
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@ -225,6 +225,17 @@ static void test1_func(abts_case *tc, void *data)
rv = testenb_s1ap_send(s1ap, sendbuf); rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv); ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send SGsAP-Paging-Request */
rv = testsgsap_paging_request(&sendbuf, 1);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Paging-Reject */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Paging-Request */ /* Send SGsAP-Paging-Request */
rv = testsgsap_paging_request(&sendbuf, 0); rv = testsgsap_paging_request(&sendbuf, 0);
ABTS_INT_EQUAL(tc, OGS_OK, rv); ABTS_INT_EQUAL(tc, OGS_OK, rv);