nat: Look at the assignment command and remember on which timeslot the data is
This information will be needed when we are trying to forward
MGCP connections to and from the BSC through the IPA protocol.
diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h
index bdea434..638791a 100644
--- a/openbsc/include/openbsc/bsc_nat.h
+++ b/openbsc/include/openbsc/bsc_nat.h
@@ -103,6 +103,10 @@
struct sccp_source_reference real_ref;
struct sccp_source_reference patched_ref;
struct sccp_source_reference remote_ref;
+
+ /* GSM audio handling. That is 32 * multiplex + ts */
+ int msc_timeslot;
+ int bsc_timeslot;
};
/**
@@ -162,4 +166,10 @@
struct sccp_connections *patch_sccp_src_ref_to_bsc(struct msgb *, struct bsc_nat_parsed *, struct bsc_nat *);
struct sccp_connections *patch_sccp_src_ref_to_msc(struct msgb *, struct bsc_nat_parsed *, struct bsc_nat *);
+/**
+ * MGCP/Audio handling
+ */
+int bsc_mgcp_assign(struct sccp_connections *, struct msgb *msg);
+void bsc_mgcp_clear(struct sccp_connections *);
+
#endif