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bugfix CU/DU: use correct IP address for GTP-U

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Not only the teid is received from the DU but also the IP address. We
have to use it too.

Also, don't connect the UDP socket. The parameter remote_s_address in the
configuration file must not be used, at least not for gtp-u because the
IP address is received from the DU (plus for later, for multiple DUs, it
won't work at all).
This commit is contained in:
Cedric Roux
2023-01-09 15:19:07 +01:00
parent 1a0c0cd1c9
commit 551aee172a
4 changed files with 24 additions and 28 deletions
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openair2/F1AP/f1ap_cu_task.c
+3 -5
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@@ -41,12 +41,10 @@
//Fixme: Uniq dirty DU instance, by global var, datamodel need better management
instance_t CUuniqInstance=0;
static instance_t cu_task_create_gtpu_instance_to_du(eth_params_t *IPaddrs) {
static instance_t cu_task_create_gtpu_instance(eth_params_t *IPaddrs) {
openAddr_t tmp= {0};
strncpy(tmp.originHost, IPaddrs->my_addr, sizeof(tmp.originHost)-1);
strncpy(tmp.destinationHost, IPaddrs->remote_addr, sizeof(tmp.destinationHost)-1);
sprintf(tmp.originService, "%d", IPaddrs->my_portd);
sprintf(tmp.destinationService, "%d", IPaddrs->remote_portd);
sprintf(tmp.originService, "%d", IPaddrs->my_portd);
return gtpv1Init(tmp);
}
@@ -59,7 +57,7 @@ static void cu_task_handle_sctp_association_ind(instance_t instance, sctp_new_as
f1ap_cu_data->sctp_in_streams = sctp_new_association_ind->in_streams;
f1ap_cu_data->sctp_out_streams = sctp_new_association_ind->out_streams;
f1ap_cu_data->default_sctp_stream_id = 0;
getCxt(CUtype, instance)->gtpInst=cu_task_create_gtpu_instance_to_du(IPaddrs);
getCxt(CUtype, instance)->gtpInst=cu_task_create_gtpu_instance(IPaddrs);
AssertFatal(getCxt(CUtype, instance)->gtpInst>0,"Failed to create CU F1-U UDP listener");
// Fixme: fully inconsistent instances management
// dirty global var is a bad fix