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[MME] SGaAP-MO-CSFB-INDICATION w/ TAI/ECGI (#2664) 

Added TAI/ECGI to the SGaAP-MO-CSFB-INDICATION message.
This commit is contained in:
Sukchan Lee 2023-10-11 20:35:18 +09:00
parent cb114eca5e
commit 53fe8f1e6d
2 changed files with 19 additions and 2 deletions
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17
src/mme/sgsap-build.c
View File

@ -199,6 +199,9 @@ ogs_pkbuf_t *sgsap_build_mo_csfb_indication(mme_ue_t *mme_ue)
ogs_tlv_t *root = NULL;
ogs_pkbuf_t *pkbuf = NULL;
ogs_gtp2_uli_tai_t tai;
ogs_gtp2_uli_e_cgi_t e_cgi;
ogs_assert(mme_ue);
csmap = mme_ue->csmap;
ogs_assert(csmap);
@ -208,6 +211,20 @@ ogs_pkbuf_t *sgsap_build_mo_csfb_indication(mme_ue_t *mme_ue)
root = ogs_tlv_add(NULL, OGS_TLV_MODE_T1_L1, SGSAP_IE_IMSI_TYPE,
SGSAP_IE_IMSI_LEN, 0, &mme_ue->nas_mobile_identity_imsi);
memset(&tai, 0, sizeof(tai));
ogs_nas_from_plmn_id(&tai.nas_plmn_id, &mme_ue->tai.plmn_id);
tai.tac = htobe16(mme_ue->tai.tac);
ogs_tlv_add(root, OGS_TLV_MODE_T1_L1,
SGSAP_IE_TAI_TYPE, SGSAP_IE_TAI_LEN, 0, &tai);
memset(&e_cgi, 0, sizeof(e_cgi));
ogs_nas_from_plmn_id(&e_cgi.nas_plmn_id, &mme_ue->e_cgi.plmn_id);
e_cgi.cell_id = htobe32(mme_ue->e_cgi.cell_id);
ogs_tlv_add(root, OGS_TLV_MODE_T1_L1,
SGSAP_IE_E_CGI_TYPE, SGSAP_IE_E_CGI_LEN, 0, &e_cgi);
pkbuf = ogs_pkbuf_alloc(NULL, OGS_MAX_SDU_LEN);
if (!pkbuf) {
ogs_error("ogs_pkbuf_alloc() failed");

4
src/mme/sgsap-types.h
View File

@ -69,9 +69,9 @@ extern "C" {
#define SGSAP_IE_SERVICE_INDICATOR_TYPE 32
#define SGSAP_IE_SERVICE_INDICATOR_LEN 1
#define SGSAP_IE_TAI_TYPE 35
#define SGSAP_IE_TAI_LEN 7
#define SGSAP_IE_TAI_LEN 5
#define SGSAP_IE_E_CGI_TYPE 36
#define SGSAP_IE_E_CGI_LEN 9
#define SGSAP_IE_E_CGI_LEN 7
#define SGSAP_IE_UE_EMM_MODE_TYPE 37
#define SGSAP_IE_UE_EMM_MODE_LEN 1