hnbap: Improve rx path and implement HnbRegisterReject
The process is shut down if we receive such a message. Change-Id: Id4656140b7f51b07860dcbeed449ed68c3a9f85a
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807e52a2da
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5689081325
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@ -33,6 +33,7 @@
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#include <osmocom/hnodeb/hnbap.h>
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#include <osmocom/hnodeb/hnodeb.h>
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#include <osmocom/hnodeb/iuh.h>
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#include <osmocom/hnodeb/hnb_shutdown_fsm.h>
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static int hnb_rx_hnb_register_acc(struct hnb *hnb, ANY_t *in)
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{
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@ -44,12 +45,31 @@ static int hnb_rx_hnb_register_acc(struct hnb *hnb, ANY_t *in)
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}
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hnb->rnc_id = accept.rnc_id;
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LOGP(DHNBAP, LOGL_INFO, "HNB Register accept with RNC ID %u\n", hnb->rnc_id);
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LOGP(DHNBAP, LOGL_INFO, "Rx HNB Register accept with RNC ID %u\n", hnb->rnc_id);
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hnbap_free_hnbregisteraccepties(&accept);
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return 0;
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}
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static int hnb_rx_hnb_register_rej(struct hnb *hnb, ANY_t *in)
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{
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int rc;
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HNBAP_HNBRegisterRejectIEs_t reject;
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rc = hnbap_decode_hnbregisterrejecties(&reject, in);
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if (rc < 0) {
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LOGP(DHNBAP, LOGL_NOTICE, "Rx HNB Register Reject: parse failure\n");
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return -EINVAL;
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}
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LOGP(DHNBAP, LOGL_NOTICE, "Rx HNB Register Reject with cause %s\n",
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hnbap_cause_str(&reject.cause));
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hnbap_free_hnbregisterrejecties(&reject);
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hnb_shutdown(hnb, "Rx HNB Register Reject", false);
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return 0;
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}
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static int hnb_rx_ue_register_acc(struct hnb *hnb, ANY_t *in)
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{
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int rc;
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@ -79,6 +99,53 @@ static int hnb_rx_ue_register_acc(struct hnb *hnb, ANY_t *in)
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return 0;
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}
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static int hnb_hnbap_rx_initiating(struct hnb *hnb, struct HNBAP_InitiatingMessage *init)
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{
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int rc;
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switch (init->procedureCode) {
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default:
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LOGP(DHNBAP, LOGL_ERROR, "Rx HNBAP initiatingMessage %ld unsupported\n", init->procedureCode);
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rc = -ENOSPC;
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break;
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}
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return rc;
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}
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static int hnb_hnbap_rx_successful(struct hnb *hnb, struct HNBAP_SuccessfulOutcome *succ)
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{
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int rc;
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switch (succ->procedureCode) {
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case HNBAP_ProcedureCode_id_HNBRegister:
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/* Get HNB id and send UE Register request */
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rc = hnb_rx_hnb_register_acc(hnb, &succ->value);
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break;
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case HNBAP_ProcedureCode_id_UERegister:
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rc = hnb_rx_ue_register_acc(hnb, &succ->value);
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break;
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default:
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rc = -ENOSPC;
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break;
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}
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return rc;
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}
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static int hnb_hnbap_rx_unsuccessful(struct hnb *hnb, struct HNBAP_UnsuccessfulOutcome *unsucc)
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{
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int rc;
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switch (unsucc->procedureCode) {
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case HNBAP_ProcedureCode_id_HNBRegister:
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rc = hnb_rx_hnb_register_rej(hnb, &unsucc->value);
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break;
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default:
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rc = -ENOSPC;
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break;
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}
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return rc;
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}
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int hnb_hnbap_rx(struct hnb *hnb, struct msgb *msg)
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{
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HNBAP_HNBAP_PDU_t _pdu, *pdu = &_pdu;
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@ -93,21 +160,20 @@ int hnb_hnbap_rx(struct hnb *hnb, struct msgb *msg)
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return -EINVAL;
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}
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if (pdu->present != HNBAP_HNBAP_PDU_PR_successfulOutcome) {
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LOGP(DHNBAP, LOGL_ERROR, "Unexpected HNBAP message received\n");
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}
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switch (pdu->choice.successfulOutcome.procedureCode) {
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case HNBAP_ProcedureCode_id_HNBRegister:
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/* Get HNB id and send UE Register request */
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rc = hnb_rx_hnb_register_acc(hnb, &pdu->choice.successfulOutcome.value);
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switch (pdu->present) {
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case HNBAP_HNBAP_PDU_PR_initiatingMessage:
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rc = hnb_hnbap_rx_initiating(hnb, &pdu->choice.initiatingMessage);
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break;
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case HNBAP_ProcedureCode_id_UERegister:
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rc = hnb_rx_ue_register_acc(hnb, &pdu->choice.successfulOutcome.value);
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case HNBAP_HNBAP_PDU_PR_successfulOutcome:
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rc = hnb_hnbap_rx_successful(hnb, &pdu->choice.successfulOutcome);
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break;
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case HNBAP_HNBAP_PDU_PR_unsuccessfulOutcome:
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rc = hnb_hnbap_rx_unsuccessful(hnb, &pdu->choice.unsuccessfulOutcome);
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break;
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case HNBAP_HNBAP_PDU_PR_NOTHING: /* No components present */
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default:
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LOGP(DHNBAP, LOGL_ERROR, "Unexpected HNBAP message received\n");
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rc = -ENOSPC;
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break;
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}
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return rc;
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