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fix RRCConnectionReestablishment issue when multiple RRCConnectionReestablishment happen

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This commit is contained in:
Xu Bo
2018-01-08 15:27:54 +09:00
parent 9d5ae645d0
commit 27c3074ff9
14 changed files with 294 additions and 34 deletions
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openair3/GTPV1-U/gtpv1u_eNB.c
+53 -12
View File
@@ -814,40 +814,81 @@ int gtpv1u_update_s1u_tunnel(
const rnti_t prior_rnti
)
{
/* Local tunnel end-point identifier */
teid_t s1u_teid = 0;
gtpv1u_teid_data_t *gtpv1u_teid_data_p = NULL;
gtpv1u_ue_data_t *gtpv1u_ue_data_p = NULL;
gtpv1u_ue_data_t *gtpv1u_ue_data_new_p = NULL;
//MessageDef *message_p = NULL;
hashtable_rc_t hash_rc = HASH_TABLE_KEY_NOT_EXISTS;
int i;
ebi_t eps_bearer_id = 0;
int i,j;
uint8_t bearers_num = 0,bearers_total = 0;
//-----------------------
// PDCP->GTPV1U mapping
//-----------------------
hash_rc = hashtable_get(RC.gtpv1u_data_g->ue_mapping, prior_rnti, (void **)&gtpv1u_ue_data_p);
AssertFatal(hash_rc == HASH_TABLE_OK, "Error get ue_mapping(rnti=%x) from GTPV1U hashtable error\n", prior_rnti);
if(hash_rc != HASH_TABLE_OK){
LOG_E(GTPU,"Error get ue_mapping(rnti=%x) from GTPV1U hashtable error\n", prior_rnti);
return -1;
}
gtpv1u_ue_data_p->ue_id = create_tunnel_req_pP->rnti;
hash_rc = hashtable_insert(RC.gtpv1u_data_g->ue_mapping, create_tunnel_req_pP->rnti, gtpv1u_ue_data_p);
gtpv1u_ue_data_new_p = calloc (1, sizeof(gtpv1u_ue_data_t));
memcpy(gtpv1u_ue_data_new_p,gtpv1u_ue_data_p,sizeof(gtpv1u_ue_data_t));
gtpv1u_ue_data_new_p->ue_id = create_tunnel_req_pP->rnti;
hash_rc = hashtable_insert(RC.gtpv1u_data_g->ue_mapping, create_tunnel_req_pP->rnti, gtpv1u_ue_data_new_p);
AssertFatal(hash_rc == HASH_TABLE_OK, "Error inserting ue_mapping in GTPV1U hashtable");
LOG_I(GTPU, "inserting ue_mapping(rnti=%x) in GTPV1U hashtable\n",
create_tunnel_req_pP->rnti);
hash_rc = hashtable_remove(RC.gtpv1u_data_g->ue_mapping, prior_rnti);
LOG_I(GTPU, "hashtable_remove ue_mapping(rnti=%x) in GTPV1U hashtable\n",
prior_rnti);
//-----------------------
// GTPV1U->PDCP mapping
//-----------------------
for (i = 0; i < create_tunnel_req_pP->num_tunnels; i++) {
eps_bearer_id = create_tunnel_req_pP->eps_bearer_id[i];
s1u_teid = gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].teid_eNB;
hash_rc = hashtable_get(RC.gtpv1u_data_g->teid_mapping, s1u_teid, (void**)&gtpv1u_teid_data_p);
AssertFatal(hash_rc == HASH_TABLE_OK, "Error get teid mapping(s1u_teid=%u) from GTPV1U hashtable", s1u_teid);
bearers_total =gtpv1u_ue_data_new_p->num_bearers;
for(j = 0;j<GTPV1U_MAX_BEARERS_ID;j++){
gtpv1u_teid_data_p->ue_id = create_tunnel_req_pP->rnti;
gtpv1u_teid_data_p->eps_bearer_id = eps_bearer_id;
if(gtpv1u_ue_data_new_p->bearers[j].state != BEARER_IN_CONFIG)
continue;
bearers_num++;
for (i = 0; i < create_tunnel_req_pP->num_tunnels; i++) {
if(j == (create_tunnel_req_pP->eps_bearer_id[i]-GTPV1U_BEARER_OFFSET))
break;
}
if(i < create_tunnel_req_pP->num_tunnels){
s1u_teid = gtpv1u_ue_data_new_p->bearers[j].teid_eNB;
hash_rc = hashtable_get(RC.gtpv1u_data_g->teid_mapping, s1u_teid, (void**)&gtpv1u_teid_data_p);
if (hash_rc == HASH_TABLE_OK) {
gtpv1u_teid_data_p->ue_id = create_tunnel_req_pP->rnti;
gtpv1u_teid_data_p->eps_bearer_id = create_tunnel_req_pP->eps_bearer_id[i];
LOG_I(GTPU, "updata teid_mapping te_id %u (prior_rnti %x rnti %x) in GTPV1U hashtable\n",
s1u_teid,prior_rnti,create_tunnel_req_pP->rnti);
}else{
LOG_W(GTPU, "Error get teid mapping(s1u_teid=%u) from GTPV1U hashtable", s1u_teid);
}
}else{
s1u_teid = gtpv1u_ue_data_new_p->bearers[j].teid_eNB;
hash_rc = hashtable_remove(RC.gtpv1u_data_g->teid_mapping, s1u_teid);
if (hash_rc != HASH_TABLE_OK) {
LOG_D(GTPU, "Removed user rnti %x , enb S1U teid %u not found\n", prior_rnti, s1u_teid);
}
gtpv1u_ue_data_new_p->bearers[j].state = BEARER_DOWN;
gtpv1u_ue_data_new_p->num_bearers--;
LOG_I(GTPU, "delete teid_mapping te_id %u (rnti%x) bearer_id %d in GTPV1U hashtable\n",
s1u_teid,prior_rnti,j+GTPV1U_BEARER_OFFSET);;
}
if(bearers_num > bearers_total)
break;
}
return 0;
}
//-----------------------------------------------------------------------------