diff options
Diffstat (limited to 'openbsc/src/libiu/iu.c')
| -rw-r--r-- | openbsc/src/libiu/iu.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/openbsc/src/libiu/iu.c b/openbsc/src/libiu/iu.c index 0ce17e4e0..7ca999fa8 100644 --- a/openbsc/src/libiu/iu.c +++ b/openbsc/src/libiu/iu.c @@ -409,20 +409,35 @@ int iu_tx(struct msgb *msg_nas, uint8_t sapi) return 0; } -static int ranap_handle_co_iu_rel_req(struct ue_conn_ctx *ctx, RANAP_Iu_ReleaseRequestIEs_t *ies) +/* Send Iu Release for the given UE connection. + * If cause is NULL, the standard "No remaining RAB" cause is sent, otherwise + * the provided cause. */ +int iu_tx_release(struct ue_conn_ctx *ctx, const struct RANAP_Cause *cause) { struct msgb *msg; struct osmo_scu_prim *prim; + static const struct RANAP_Cause default_cause = { + .present = RANAP_Cause_PR_radioNetwork, + .choice.radioNetwork = RANAP_CauseRadioNetwork_no_remaining_rab, + }; - LOGP(DRANAP, LOGL_INFO, "Received Iu Release Request, Sending Release Command\n"); - msg = ranap_new_msg_iu_rel_cmd(&ies->cause); + if (!cause) + cause = &default_cause; + + msg = ranap_new_msg_iu_rel_cmd(cause); msg->l2h = msg->data; prim = (struct osmo_scu_prim *) msgb_push(msg, sizeof(*prim)); prim->u.data.conn_id = ctx->conn_id; osmo_prim_init(&prim->oph, SCCP_SAP_USER, OSMO_SCU_PRIM_N_DATA, PRIM_OP_REQUEST, msg); - osmo_sua_user_link_down(ctx->link, &prim->oph); + return osmo_sua_user_link_down(ctx->link, &prim->oph); +} + +static int ranap_handle_co_iu_rel_req(struct ue_conn_ctx *ctx, RANAP_Iu_ReleaseRequestIEs_t *ies) +{ + LOGP(DRANAP, LOGL_INFO, "Received Iu Release Request, Sending Release Command\n"); + iu_tx_release(ctx, &ies->cause); return 0; } |