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Pass assoc_id to RRC and use when sending E1AP messages

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This commit is contained in:
Robert Schmidt
2023-10-25 20:22:32 +02:00
parent 1d3127bb99
commit b08ce59bc2
15 changed files with 111 additions and 53 deletions
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openair2/E1AP/e1ap.c
+22 -20
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@@ -35,7 +35,7 @@
#include "gtp_itf.h"
#define E1AP_NUM_MSG_HANDLERS 14
typedef int (*e1ap_message_processing_t)(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *message_p);
typedef int (*e1ap_message_processing_t)(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *message_p);
const e1ap_message_processing_t e1ap_message_processing[E1AP_NUM_MSG_HANDLERS][3] = {
{0, 0, 0}, /* Reset */
@@ -92,7 +92,7 @@ int e1ap_handle_message(instance_t instance, sctp_assoc_t assoc_id, const uint8_
} else {
/* Calling the right handler */
LOG_D(E1AP, "Calling handler with instance %ld\n",instance);
ret = (*e1ap_message_processing[procedureCode][pdu.present - 1])(getCxtE1(instance), &pdu);
ret = (*e1ap_message_processing[procedureCode][pdu.present - 1])(assoc_id, getCxtE1(instance), &pdu);
}
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_E1AP_E1AP_PDU, &pdu);
@@ -355,17 +355,18 @@ void extract_SETUP_REQUEST(const E1AP_E1AP_PDU_t *pdu,
}
}
int e1apCUCP_handle_SETUP_REQUEST(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUCP_handle_SETUP_REQUEST(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
/* Create ITTI message and send to queue */
MessageDef *msg_p = itti_alloc_new_message(TASK_CUCP_E1, 0 /*unused by callee*/, E1AP_SETUP_REQ);
extract_SETUP_REQUEST(pdu, &E1AP_SETUP_REQ(msg_p));
msg_p->ittiMsgHeader.originInstance = assoc_id;
if (E1AP_SETUP_REQ(msg_p).supported_plmns > 0) {
itti_send_msg_to_task(TASK_RRC_GNB, 0 /*unused by callee*/, msg_p);
} else {
e1apCUCP_send_SETUP_FAILURE(inst->assoc_id, E1AP_SETUP_REQ(msg_p).transac_id);
e1apCUCP_send_SETUP_FAILURE(assoc_id, E1AP_SETUP_REQ(msg_p).transac_id);
itti_free(TASK_CUCP_E1, msg_p);
return -1;
}
@@ -373,7 +374,7 @@ int e1apCUCP_handle_SETUP_REQUEST(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t
return 0;
}
int e1apCUUP_handle_SETUP_RESPONSE(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUUP_handle_SETUP_RESPONSE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
{
LOG_D(E1AP, "%s\n", __func__);
DevAssert(pdu->present == E1AP_E1AP_PDU_PR_successfulOutcome);
@@ -401,7 +402,7 @@ int e1apCUUP_handle_SETUP_RESPONSE(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t
return 0;
}
int e1apCUUP_handle_SETUP_FAILURE(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUUP_handle_SETUP_FAILURE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
{
E1AP_GNB_CU_UP_E1SetupFailureIEs_t *ie;
DevAssert(pdu != NULL);
@@ -985,7 +986,7 @@ void extract_BEARER_CONTEXT_SETUP_REQUEST(const E1AP_E1AP_PDU_t *pdu,
}
int e1apCUUP_handle_BEARER_CONTEXT_SETUP_REQUEST(e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUUP_handle_BEARER_CONTEXT_SETUP_REQUEST(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
DevAssert(pdu->present == E1AP_E1AP_PDU_PR_initiatingMessage);
@@ -1085,7 +1086,7 @@ void extract_BEARER_CONTEXT_SETUP_RESPONSE(const E1AP_E1AP_PDU_t *pdu,
}
}
int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu->present == E1AP_E1AP_PDU_PR_successfulOutcome);
DevAssert(pdu->choice.successfulOutcome->procedureCode == E1AP_ProcedureCode_id_bearerContextSetup);
@@ -1095,6 +1096,7 @@ int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(e1ap_upcp_inst_t *inst, const
MessageDef *msg = itti_alloc_new_message(TASK_CUCP_E1, 0, E1AP_BEARER_CONTEXT_SETUP_RESP);
e1ap_bearer_setup_resp_t *bearerCxt = &E1AP_BEARER_CONTEXT_SETUP_RESP(msg);
extract_BEARER_CONTEXT_SETUP_RESPONSE(pdu, bearerCxt);
msg->ittiMsgHeader.originInstance = assoc_id;
// Fixme: instance is the NGAP instance, no good way to set it here
instance_t instance = 0;
itti_send_msg_to_task(TASK_RRC_GNB, instance, msg);
@@ -1102,7 +1104,7 @@ int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(e1ap_upcp_inst_t *inst, const
return 0;
}
int e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE(e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
{
AssertFatal(false,"Not implemented yet\n");
return -1;
@@ -1269,7 +1271,7 @@ void extract_BEARER_CONTEXT_MODIFICATION_REQUEST(const E1AP_E1AP_PDU_t *pdu,
}
}
int e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_REQUEST(e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_REQUEST(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
DevAssert(pdu->present == E1AP_E1AP_PDU_PR_initiatingMessage);
@@ -1442,7 +1444,7 @@ void extract_BEARER_CONTEXT_RELEASE_COMMAND(const E1AP_E1AP_PDU_t *pdu,
}
}
int e1apCUUP_handle_BEARER_CONTEXT_RELEASE_COMMAND(e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUUP_handle_BEARER_CONTEXT_RELEASE_COMMAND(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
DevAssert(pdu->present == E1AP_E1AP_PDU_PR_initiatingMessage);
@@ -1486,7 +1488,7 @@ void extract_BEARER_CONTEXT_RELEASE_COMPLETE(const E1AP_E1AP_PDU_t *pdu,
}
}
int e1apCUCP_handle_BEARER_CONTEXT_RELEASE_COMPLETE(e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
int e1apCUCP_handle_BEARER_CONTEXT_RELEASE_COMPLETE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
DevAssert(pdu->present == E1AP_E1AP_PDU_PR_successfulOutcome);
@@ -1598,7 +1600,7 @@ static void e1_task_handle_sctp_association_resp(E1_t type, instance_t instance,
if (type == UPtype) {
e1ap_upcp_inst_t *inst = getCxtE1(instance);
inst->assoc_id = sctp_new_association_resp->assoc_id;
inst->cuup.assoc_id = sctp_new_association_resp->assoc_id;
e1ap_net_config_t *nc = &inst->net_config;
eth_params_t IPaddr;
@@ -1611,7 +1613,7 @@ static void e1_task_handle_sctp_association_resp(E1_t type, instance_t instance,
extern instance_t CUuniqInstance;
CUuniqInstance = getCxtE1(instance)->gtpInstF1U;
cuup_init_n3(instance);
e1apCUUP_send_SETUP_REQUEST(inst->assoc_id, &inst->cuup.setupReq);
e1apCUUP_send_SETUP_REQUEST(inst->cuup.assoc_id, &inst->cuup.setupReq);
}
}
@@ -1662,7 +1664,8 @@ void e1_task_handle_sctp_association_ind(E1_t type, instance_t instance, sctp_ne
createE1inst(type, instance, NULL, NULL);
e1ap_upcp_inst_t *inst = getCxtE1(instance);
inst->sockState = SCTP_STATE_ESTABLISHED;
inst->assoc_id = sctp_new_ind->assoc_id;
if (type == UPtype)
inst->cuup.assoc_id = sctp_new_ind->assoc_id;
}
void e1apHandleTimer(instance_t myInstance)
@@ -1683,8 +1686,7 @@ void *E1AP_CUCP_task(void *arg) {
instance_t myInstance=ITTI_MSG_DESTINATION_INSTANCE(msg);
const int msgType = ITTI_MSG_ID(msg);
LOG_D(E1AP, "CUCP received %s for instance %ld\n", messages_info[msgType].name, myInstance);
/* TODO get the assoc ID through the ITTI message to address multiple CU-UPs */
e1ap_upcp_inst_t *inst = getCxtE1(myInstance);
sctp_assoc_t assoc_id = msg->ittiMsgHeader.originInstance;
switch (ITTI_MSG_ID(msg)) {
case SCTP_NEW_ASSOCIATION_IND:
@@ -1713,15 +1715,15 @@ void *E1AP_CUCP_task(void *arg) {
break;
case E1AP_SETUP_RESP:
e1ap_send_SETUP_RESPONSE(inst->assoc_id, &E1AP_SETUP_RESP(msg));
e1ap_send_SETUP_RESPONSE(assoc_id, &E1AP_SETUP_RESP(msg));
break;
case E1AP_BEARER_CONTEXT_SETUP_REQ:
e1apCUCP_send_BEARER_CONTEXT_SETUP_REQUEST(inst->assoc_id, &E1AP_BEARER_CONTEXT_SETUP_REQ(msg));
e1apCUCP_send_BEARER_CONTEXT_SETUP_REQUEST(assoc_id, &E1AP_BEARER_CONTEXT_SETUP_REQ(msg));
break;
case E1AP_BEARER_CONTEXT_MODIFICATION_REQ:
e1apCUCP_send_BEARER_CONTEXT_MODIFICATION_REQUEST(inst->assoc_id, &E1AP_BEARER_CONTEXT_SETUP_REQ(msg));
e1apCUCP_send_BEARER_CONTEXT_MODIFICATION_REQUEST(assoc_id, &E1AP_BEARER_CONTEXT_SETUP_REQ(msg));
break;
default: