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iu_client: Implement transmission of ResetAcknowledge 

When receiving an Iu Reset, respond with Iu ResetAcknowledge.

Closes: OS#3944
Change-Id: Ia09752983a7e2a952aa144635924edbffd894058
This commit is contained in:
Harald Welte 2019-04-20 20:13:31 +02:00
parent f601526970
commit 8fa35b840c
1 changed files with 19 additions and 3 deletions
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22
src/iu_client.c
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@ -603,8 +603,24 @@ static void cn_ranap_handle_co(void *ctx, ranap_message *message)
static int ranap_handle_cl_reset_req(void *ctx, RANAP_ResetIEs_t *ies)
{
/* FIXME: send reset response */
return -1;
struct osmo_scu_prim *prim = (struct osmo_scu_prim *) ctx;
struct osmo_scu_unitdata_param *ud_prim = &prim->u.unitdata;
RANAP_GlobalRNC_ID_t *grnc_id = NULL;
struct msgb *resp;
OSMO_ASSERT(prim->oph.primitive == OSMO_SCU_PRIM_N_UNITDATA);
/* FIXME: verify ies.cN_DomainIndicator */
if (ies->presenceMask & RESETIES_RANAP_GLOBALRNC_ID_PRESENT)
grnc_id = &ies->globalRNC_ID;
/* send reset response */
resp = ranap_new_msg_reset_ack(ies->cN_DomainIndicator, grnc_id);
if (!resp)
return -ENOMEM;
resp->l2h = resp->data;
return osmo_sccp_tx_unitdata_msg(g_scu, &g_local_sccp_addr, &ud_prim->calling_addr, resp);
}
static int ranap_handle_cl_err_ind(void *ctx, RANAP_ErrorIndicationIEs_t *ies)
@ -795,7 +811,7 @@ static int sccp_sap_up(struct osmo_prim_hdr *oph, void *_scu)
/* connection-less data received */
LOGPIU(LOGL_DEBUG, "N-UNITDATA.ind(%s)\n",
osmo_hexdump(msgb_l2(oph->msg), msgb_l2len(oph->msg)));
rc = ranap_cn_rx_cl(cn_ranap_handle_cl, scu, msgb_l2(oph->msg), msgb_l2len(oph->msg));
rc = ranap_cn_rx_cl(cn_ranap_handle_cl, prim, msgb_l2(oph->msg), msgb_l2len(oph->msg));
break;
default:
rc = -1;