Add support for LCLS to the MSC
This commit is largely based on work by
Max <msuraev@sysmocom.de>
Adds LCLS parameters for A-interface transactions
This commit also adds a vty option to facilitate globally
disabling LCLS for all calls on this MSC.
Add a global call reference (GCR) to MNCC and therefore
bump the MNCC version to version 8. (This commit has to be
merged at the same time as the corresponing commit in the
osmo-sip-connector for mncc-external use.)
Depends: osmo-sip-connector Id40d7e0fed9356f801b3627c118150055e7232b1
Change-Id: I705c860e51637b4537cad65a330ecbaaca96dd5b
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c
index fa8e842..9b6b602 100644
--- a/src/libmsc/msc_a.c
+++ b/src/libmsc/msc_a.c
@@ -569,6 +569,7 @@
.osmux_cid = msc_a->cc.call_leg->rtp[RTP_TO_RAN]->local_osmux_cid,
.call_id_present = true,
.call_id = cc_trans->callref,
+ .lcls = cc_trans->cc.lcls,
},
};
if (msc_a_ran_down(msc_a, MSC_ROLE_I, &msg)) {
@@ -1506,6 +1507,13 @@
rc = msc_a_up_ho(msc_a, d, MSC_HO_EV_RX_FAILURE);
break;
+ case RAN_MSG_LCLS_STATUS:
+ /* The BSS sends us LCLS_STATUS. We do nothing for now, but it is not an error. */
+ LOG_MSC_A(msc_a, LOGL_DEBUG, "LCLS_STATUS (%s) received from MSC-I\n",
+ gsm0808_lcls_status_name(msg->lcls_status.status));
+ rc = 0;
+ break;
+
default:
LOG_MSC_A(msc_a, LOGL_ERROR, "Message from MSC-I not implemented: %s\n", ran_msg_type_name(msg->msg_type));
rc = -ENOTSUP;