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Fix: GTP/S1AP UE resource release leak issue.

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This commit is contained in:
wanghe
2019-07-16 19:50:28 +09:00
committed by Haruki NAOI
parent 3492f60407
commit 1f211efb12
4 changed files with 89 additions and 9 deletions
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openair2/RRC/LTE/rrc_eNB.c
+29 -1
View File
@@ -1630,6 +1630,8 @@ rrc_eNB_process_RRCConnectionReestablishmentComplete(
LTE_C_RNTI_t *cba_RNTI = NULL;
int measurements_enabled;
uint8_t next_xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id);
int ret = 0;
ue_context_pP->ue_context.Status = RRC_CONNECTED;
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 1; // set rrc inactivity when UE goes into RRC_CONNECTED
ue_context_pP->ue_context.reestablishment_xid = next_xid;
@@ -1735,10 +1737,36 @@ rrc_eNB_process_RRCConnectionReestablishmentComplete(
create_tunnel_req.rnti = ctxt_pP->rnti; // warning put zero above
create_tunnel_req.num_tunnels = j;
gtpv1u_update_s1u_tunnel(
ret = gtpv1u_update_s1u_tunnel(
ctxt_pP->instance,
&create_tunnel_req,
reestablish_rnti);
if ( ret != 0 ) {
LOG_E(RRC,"gtpv1u_update_s1u_tunnel failed,start to release UE %x\n",reestablish_rnti);
// update s1u tunnel failed,reset rnti?
if (eNB_ue_s1ap_id > 0) {
h_rc = hashtable_get(rrc_instance_p->s1ap_id2_s1ap_ids, (hash_key_t)eNB_ue_s1ap_id, (void**)&rrc_ue_s1ap_ids_p);
if (h_rc == HASH_TABLE_OK ) {
rrc_ue_s1ap_ids_p->ue_rnti = reestablish_rnti;
}
}
if (ue_initial_id != 0) {
h_rc = hashtable_get(rrc_instance_p->initial_id2_s1ap_ids, (hash_key_t)ue_initial_id, (void**)&rrc_ue_s1ap_ids_p);
if (h_rc == HASH_TABLE_OK ) {
rrc_ue_s1ap_ids_p->ue_rnti = reestablish_rnti;
}
}
ue_context_pP->ue_context.ue_release_timer_s1 = 1;
ue_context_pP->ue_context.ue_release_timer_thres_s1 = 100;
ue_context_pP->ue_context.ue_release_timer = 0;
ue_context_pP->ue_context.ue_reestablishment_timer = 0;
ue_context_pP->ue_context.ul_failure_timer = 20000; // set ul_failure to 20000 for triggering rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ
rrc_eNB_free_UE(ctxt_pP->module_id,ue_context_pP);
ue_context_pP->ue_context.ul_failure_timer = 0;
put_UE_in_freelist(ctxt_pP->module_id, ctxt_pP->rnti, 0);
return;
}
} /* EPC_MODE_ENABLED */
/* Update RNTI in ue_context */
openair2/RRC/LTE/rrc_eNB_S1AP.c
+31 -2
View File
@@ -935,6 +935,8 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char
gtpv1u_enb_create_tunnel_req_t create_tunnel_req;
gtpv1u_enb_create_tunnel_resp_t create_tunnel_resp;
uint8_t inde_list[NB_RB_MAX - 3]= {0};
int ret;
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
protocol_ctxt_t ctxt;
ue_initial_id = S1AP_INITIAL_CONTEXT_SETUP_REQ (msg_p).ue_initial_id;
@@ -976,10 +978,23 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char
create_tunnel_req.rnti = ue_context_p->ue_context.rnti; // warning put zero above
// create_tunnel_req.num_tunnels = i;
gtpv1u_create_s1u_tunnel(
ret = gtpv1u_create_s1u_tunnel(
instance,
&create_tunnel_req,
&create_tunnel_resp);
if ( ret != 0 ) {
LOG_E(RRC,"rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ : gtpv1u_create_s1u_tunnel failed,start to release UE %x\n",ue_context_p->ue_context.rnti);
ue_context_p->ue_context.ue_release_timer_s1 = 1;
ue_context_p->ue_context.ue_release_timer_thres_s1 = 100;
ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
ue_context_p->ue_context.ul_failure_timer = 20000; // set ul_failure to 20000 for triggering rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ
rrc_eNB_free_UE(ctxt.module_id,ue_context_p);
ue_context_p->ue_context.ul_failure_timer = 0;
return (0);
}
rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
&ctxt,
&create_tunnel_resp,
@@ -1252,6 +1267,8 @@ int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
protocol_ctxt_t ctxt;
uint8_t e_rab_done;
int ret = 0;
ue_initial_id = S1AP_E_RAB_SETUP_REQ (msg_p).ue_initial_id;
eNB_ue_s1ap_id = S1AP_E_RAB_SETUP_REQ (msg_p).eNB_ue_s1ap_id;
ue_context_p = rrc_eNB_get_ue_context_from_s1ap_ids(instance, ue_initial_id, eNB_ue_s1ap_id);
@@ -1314,10 +1331,22 @@ int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name
create_tunnel_req.rnti = ue_context_p->ue_context.rnti; // warning put zero above
create_tunnel_req.num_tunnels = e_rab_done;
// NN: not sure if we should create a new tunnel: need to check teid, etc.
gtpv1u_create_s1u_tunnel(
ret = gtpv1u_create_s1u_tunnel(
instance,
&create_tunnel_req,
&create_tunnel_resp);
if ( ret != 0 ) {
LOG_E(RRC,"rrc_eNB_process_S1AP_E_RAB_SETUP_REQ : gtpv1u_create_s1u_tunnel failed,start to release UE %x\n",ue_context_p->ue_context.rnti);
ue_context_p->ue_context.ue_release_timer_s1 = 1;
ue_context_p->ue_context.ue_release_timer_thres_s1 = 100;
ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
ue_context_p->ue_context.ul_failure_timer = 20000; // set ul_failure to 20000 for triggering rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ
rrc_eNB_free_UE(ctxt.module_id,ue_context_p);
ue_context_p->ue_context.ul_failure_timer = 0;
return (0);
}
rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
&ctxt,
&create_tunnel_resp,