mgcp: Implement the "loopback" mode for a connection endpoint.
diff --git a/openbsc/src/mgcp/mgcp_network.c b/openbsc/src/mgcp/mgcp_network.c
index cc1bf44..5923fea 100644
--- a/openbsc/src/mgcp/mgcp_network.c
+++ b/openbsc/src/mgcp/mgcp_network.c
@@ -204,6 +204,10 @@
if (cfg->audio_loop)
dest = !dest;
+ /* Loop based on the conn_mode, maybe undoing the above */
+ if (endp->conn_mode == MGCP_CONN_LOOPBACK)
+ dest = !dest;
+
if (dest == DEST_NETWORK) {
if (proto == PROTO_RTP)
patch_and_count(&endp->bts_seq_no, &endp->bts_lost_no,
diff --git a/openbsc/src/mgcp/mgcp_protocol.c b/openbsc/src/mgcp/mgcp_protocol.c
index 8131277..d12d182 100644
--- a/openbsc/src/mgcp/mgcp_protocol.c
+++ b/openbsc/src/mgcp/mgcp_protocol.c
@@ -38,13 +38,6 @@
#include <openbsc/mgcp.h>
#include <openbsc/mgcp_internal.h>
-enum mgcp_connection_mode {
- MGCP_CONN_NONE = 0,
- MGCP_CONN_RECV_ONLY = 1,
- MGCP_CONN_SEND_ONLY = 2,
- MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY,
-};
-
/**
* Macro for tokenizing MGCP messages and SDP in one go.
*
@@ -364,6 +357,8 @@
*conn_mode = MGCP_CONN_RECV_ONLY;
else if (strcmp(msg, "sendrecv") == 0)
*conn_mode = MGCP_CONN_RECV_SEND;
+ else if (strcmp(msg, "loopback") == 0)
+ *conn_mode = MGCP_CONN_LOOPBACK;
else {
LOGP(DMGCP, LOGL_ERROR, "Unknown connection mode: '%s'\n", msg);
ret = -1;