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update state machin

This commit is contained in:
Sukchan Lee 2018-01-22 16:53:47 +09:00
parent 7d43bd870e
commit ebd8d2f571
2 changed files with 36 additions and 39 deletions
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61
src/mme/emm_sm.c
View File

@ -59,7 +59,11 @@ void emm_state_attached(fsm_t *s, event_t *e)
static void emm_state_detached_attached(fsm_t *s, event_t *e)
{
status_t rv;
mme_ue_t *mme_ue = mme_ue_find(event_get_param1(e));
enb_ue_t *enb_ue = NULL;
mme_ue_t *mme_ue = NULL;
mme_ue = mme_ue_find(event_get_param1(e));
d_assert(mme_ue, return, "Null param");
switch (event_get(e))
@ -102,8 +106,6 @@ static void emm_state_detached_attached(fsm_t *s, event_t *e)
if (!SECURITY_CONTEXT_IS_VALID(mme_ue))
{
enb_ue_t *enb_ue = NULL;
d_warn("No Security Context");
rv = nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
@ -118,6 +120,7 @@ static void emm_state_detached_attached(fsm_t *s, event_t *e)
S1AP_UE_CTX_REL_NO_ACTION, 0);
d_assert(rv == CORE_OK,,
"s1ap_send_ue_context_release_command() failed");
return;
}
rv = s1ap_send_initial_context_setup_request(mme_ue);
@ -176,6 +179,20 @@ static void emm_state_detached_attached(fsm_t *s, event_t *e)
break;
}
case NAS_TRACKING_AREA_UPDATE_COMPLETE:
{
d_trace(3, "[NAS] Tracking area update complete : "
"UE[%s] --> EMM\n", mme_ue->imsi_bcd);
enb_ue = mme_ue->enb_ue;
d_assert(enb_ue, return, "Null param");
rv = s1ap_send_ue_context_release_command(enb_ue,
S1ap_Cause_PR_nas, S1ap_CauseNas_normal_release,
S1AP_UE_CTX_REL_NO_ACTION, 0);
d_assert(rv == CORE_OK, return, "s1ap send error");
return;
}
case NAS_EMM_STATUS:
{
d_warn("[NAS] EMM STATUS [IMSI:%s,Cause:%d] "
@ -213,13 +230,14 @@ static void emm_state_detached_attached(fsm_t *s, event_t *e)
pkbuf_free(mme_ue->last_paging_msg);
mme_ue->last_paging_msg = NULL;
}
return;
}
mme_ue->max_paging_retry++;
s1ap_handle_paging(mme_ue);
/* Start T3413 */
tm_start(mme_ue->t3413);
else
{
mme_ue->max_paging_retry++;
s1ap_handle_paging(mme_ue);
/* Start T3413 */
tm_start(mme_ue->t3413);
}
return;
}
default:
@ -294,8 +312,7 @@ static void emm_state_detached_attached(fsm_t *s, event_t *e)
break;
}
default:
d_assert(0, return, "Invalid NAS_EPS Type[%d]",
mme_ue->nas_eps.type);
d_assert(0,, "Invalid EPS-Type[%d]", mme_ue->nas_eps.type);
break;
}
}
@ -461,6 +478,9 @@ void emm_state_security_mode(fsm_t *s, event_t *e)
{
FSM_TRAN(s, &emm_state_attached);
}
else
d_assert(0,, "Invalid EPS-Type[%d]",
mme_ue->nas_eps.type);
break;
}
case NAS_SECURITY_MODE_REJECT:
@ -543,25 +563,6 @@ void emm_state_initial_context_setup(fsm_t *s, event_t *e)
FSM_TRAN(s, &emm_state_attached);
break;
}
#if 0 /* TAU_COMPLETE should not be handled in this state */
case NAS_TRACKING_AREA_UPDATE_COMPLETE:
{
status_t rv;
enb_ue_t *enb_ue = mme_ue->enb_ue;
d_trace(3, "[NAS] Tracking area update complete : "
"UE[%s] --> EMM\n",
mme_ue->imsi_bcd);
d_assert(enb_ue, return, "Null param");
rv = s1ap_send_ue_context_release_command(enb_ue,
S1ap_Cause_PR_nas, S1ap_CauseNas_normal_release,
S1AP_UE_CTX_REL_NO_ACTION, 0);
d_assert(rv == CORE_OK, return, "s1ap send error");
FSM_TRAN(s, &emm_state_attached);
break;
}
#endif
case NAS_EMM_STATUS:
{
d_warn("[NAS] EMM STATUS [IMSI:%s,Cause:%d] "

14
src/mme/mme_s6a_handler.c
View File

@ -46,7 +46,7 @@ void mme_s6a_handle_ula(mme_ue_t *mme_ue, s6a_ula_message_t *ula_message)
if (mme_ue->nas_eps.type == MME_EPS_TYPE_ATTACH_REQUEST)
{
rv = nas_send_emm_to_esm(mme_ue, &mme_ue->pdn_connectivity_request);
d_assert(rv == CORE_OK,, "nas_send_emm_to_esm failed");
d_assert(rv == CORE_OK,, "nas_send_emm_to_esm() failed");
}
else
d_assert(0,, "Invalid Type(%d)", mme_ue->nas_eps.type);
@ -56,16 +56,12 @@ void mme_s6a_handle_ula(mme_ue_t *mme_ue, s6a_ula_message_t *ula_message)
if (mme_ue->nas_eps.type == MME_EPS_TYPE_TAU_REQUEST)
{
rv = nas_send_tau_accept(mme_ue);
d_assert(rv == CORE_OK, return, "nas send failed");
}
else if (mme_ue->nas_eps.type == MME_EPS_TYPE_SERVICE_REQUEST)
{
rv = s1ap_send_initial_context_setup_request(mme_ue);
d_assert(rv == CORE_OK, return, "s1ap send failed");
d_assert(rv == CORE_OK,, "nas_send_tau_accept() failed");
}
else
d_assert(0,, "Invalid Type(%d)", mme_ue->nas_eps.type);
d_assert(0,, "Invalid EPS-Type[%d]", mme_ue->nas_eps.type);
}
else
d_assert(0,, "Invaild EMM state");
d_assert(0,, "Invaild EMM state for EPS-Type[%d]",
mme_ue->nas_eps.type);
}