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mgw: Update RTP local address on E1 endpoints too

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E1 endpoints still have usually 1 RTP connection on it (they do
E1-slot<->RTP), so we still need to update the RTP addr+port binding
upon CRCX & MDCX on those endpoints.

This fixes a recent regression with setups with E1 BTS failing to
establish calls.

Fixes: b317b0056a
Change-Id: I52e91cd2d9d4b64961b76bb0fecc82494ca0d7cb
This commit is contained in:
Pau Espin Pedrol
2025-03-17 16:48:44 +01:00
parent 12c45577bb
commit 4a09ace3b4
1 changed files with 34 additions and 30 deletions
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64
src/libosmo-mgcp/mgcp_endp.c
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@@ -647,6 +647,33 @@ static int mgcp_endp_update_virtual(struct mgcp_endpoint *endp, struct mgcp_conn
{
OSMO_ASSERT(conn);
OSMO_ASSERT(conn->type == MGCP_CONN_TYPE_RTP);
struct mgcp_conn_rtp *conn_rtp = mgcp_conn_get_conn_rtp(conn);
switch (conn_rtp->type) {
case MGCP_RTP_DEFAULT:
break;
case MGCP_RTP_OSMUX:
if (conn_osmux_event_rx_crcx_mdcx(conn_rtp) < 0) {
LOGPCONN(conn, DLMGCP, LOGL_ERROR, "CRCX: Osmux handling failed!\n");
return -500;
}
break;
case MGCP_RTP_IUUP:
return mgcp_conn_iuup_event_rx_crcx_mdcx(conn_rtp);
default:
return -523;
}
return 0;
}
/*! update endpoint, updates internal endpoint specific data, should be
* after when MDCX or CRCX has been executed successuflly.
* \param[in] endp endpoint to update.
* \returns zero on success, mgcp negative error on failure. */
int mgcp_endp_update(struct mgcp_endpoint *endp, struct mgcp_conn *conn, enum mgcp_verb verb)
{
OSMO_ASSERT(conn);
struct mgcp_trunk *trunk = endp->trunk;
struct mgcp_conn_rtp *conn_rtp = mgcp_conn_get_conn_rtp(conn);
char new_local_addr[INET6_ADDRSTRLEN];
@@ -668,21 +695,15 @@ static int mgcp_endp_update_virtual(struct mgcp_endpoint *endp, struct mgcp_conn
goto fail_bind_port_ret;
}
switch (conn_rtp->type) {
case MGCP_RTP_DEFAULT:
break;
case MGCP_RTP_OSMUX:
if (conn_osmux_event_rx_crcx_mdcx(conn_rtp) < 0) {
LOGPCONN(conn, DLMGCP, LOGL_ERROR, "CRCX: Osmux handling failed!\n");
return -500;
}
break;
case MGCP_RTP_IUUP:
return mgcp_conn_iuup_event_rx_crcx_mdcx(conn_rtp);
/* Allocate resources */
switch (endp->trunk->trunk_type) {
case MGCP_TRUNK_VIRTUAL:
return mgcp_endp_update_virtual(endp, conn, verb);
case MGCP_TRUNK_E1:
return mgcp_e1_endp_update(endp);
default:
return -523;
OSMO_ASSERT(false);
}
return 0;
fail_bind_port_ret:
@@ -701,23 +722,6 @@ fail_bind_port_ret:
return -500;
}
/*! update endpoint, updates internal endpoint specific data, should be
* after when MDCX or CRCX has been executed successuflly.
* \param[in] endp endpoint to update.
* \returns zero on success, mgcp negative error on failure. */
int mgcp_endp_update(struct mgcp_endpoint *endp, struct mgcp_conn *conn, enum mgcp_verb verb)
{
/* Allocate resources */
switch (endp->trunk->trunk_type) {
case MGCP_TRUNK_VIRTUAL:
return mgcp_endp_update_virtual(endp, conn, verb);
case MGCP_TRUNK_E1:
return mgcp_e1_endp_update(endp);
default:
OSMO_ASSERT(false);
}
}
void mgcp_endp_add_conn(struct mgcp_endpoint *endp, struct mgcp_conn *conn)
{
llist_add(&conn->entry, &endp->conns);