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[#220] T3470 done

This commit is contained in:
Sukchan Lee 2019-07-20 21:49:47 +09:00
parent 90290d236e
commit b34dafcb09
3 changed files with 30 additions and 9 deletions
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1
src/mme/emm-build.c
View File

@ -184,7 +184,6 @@ int emm_build_identity_request(
message.emm.h.message_type = NAS_IDENTITY_REQUEST;
/* Request IMSI */
ogs_debug("[EMM] Identity request");
ogs_debug(" Identity Type 2 : IMSI");
identity_request->identity_type.type = NAS_IDENTITY_TYPE_2_IMSI;

23
src/mme/emm-sm.c
View File

@ -141,6 +141,8 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
switch (message->emm.h.message_type) {
case NAS_IDENTITY_RESPONSE:
ogs_debug("[EMM] Identity response");
CLEAR_MME_UE_TIMER(mme_ue->t3470);
rv = emm_handle_identity_response(mme_ue,
&message->emm.identity_response);
if (rv != OGS_OK) {
@ -285,6 +287,18 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
s1ap_send_paging(mme_ue, 0);
}
break;
case MME_TIMER_T3470:
if (mme_ue->t3470.retry_count >=
mme_timer_cfg(MME_TIMER_T3470)->max_count) {
ogs_warn("[EMM] Retransmission of Identity-Request failed. "
"Stop retransmission");
CLEAR_MME_UE_TIMER(mme_ue->t3470);
OGS_FSM_TRAN(&mme_ue->sm, &emm_state_exception);
} else {
mme_ue->t3470.retry_count++;
nas_send_identity_request(mme_ue);
}
break;
default:
ogs_error("Unknown timer[%s:%d]",
mme_timer_get_name(e->timer_id), e->timer_id);
@ -297,8 +311,8 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
}
if (!MME_UE_HAVE_IMSI(mme_ue)) {
rv = nas_send_identity_request(mme_ue);
ogs_assert(rv == OGS_OK);
CLEAR_MME_UE_TIMER(mme_ue->t3470);
nas_send_identity_request(mme_ue);
return;
}
@ -606,9 +620,9 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
"Stop retransmission",
mme_ue->imsi_bcd);
CLEAR_MME_UE_TIMER(mme_ue->t3460);
OGS_FSM_TRAN(&mme_ue->sm, &emm_state_exception);
nas_send_authentication_reject(mme_ue);
OGS_FSM_TRAN(&mme_ue->sm, &emm_state_exception);
} else {
mme_ue->t3460.retry_count++;
nas_send_authentication_request(mme_ue, NULL);
@ -751,9 +765,6 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
"Stop retransmission",
mme_ue->imsi_bcd);
CLEAR_MME_UE_TIMER(mme_ue->t3460);
/* No response message for security-mode */
OGS_FSM_TRAN(&mme_ue->sm, &emm_state_exception);
} else {
mme_ue->t3460.retry_count++;

15
src/mme/nas-path.c
View File

@ -146,8 +146,19 @@ int nas_send_identity_request(mme_ue_t *mme_ue)
ogs_assert(mme_ue);
rv = emm_build_identity_request(&emmbuf, mme_ue);
ogs_assert(rv == OGS_OK && emmbuf);
ogs_debug("[EMM] Identity request");
if (mme_ue->t3470.pkbuf) {
emmbuf = mme_ue->t3470.pkbuf;
} else {
rv = emm_build_identity_request(&emmbuf, mme_ue);
ogs_assert(rv == OGS_OK && emmbuf);
}
mme_ue->t3470.pkbuf = ogs_pkbuf_copy(emmbuf);
ogs_timer_start(mme_ue->t3470.timer,
mme_timer_cfg(MME_TIMER_T3470)->duration);
rv = nas_send_to_downlink_nas_transport(mme_ue, emmbuf);
ogs_assert(rv == OGS_OK);