diff options
| -rw-r--r-- | openbsc/src/nat/bsc_nat.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c index ded26b01d..500809c63 100644 --- a/openbsc/src/nat/bsc_nat.c +++ b/openbsc/src/nat/bsc_nat.c @@ -127,6 +127,32 @@ static void send_id_req(struct bsc_connection *bsc) bsc_write(bsc, id_req, sizeof(id_req)); } +static void nat_send_rlsd(struct sccp_connections *conn) +{ + struct sccp_connection_released *rel; + struct msgb *msg; + + msg = msgb_alloc_headroom(4096, 128, "rlsd"); + if (!msg) { + LOGP(DNAT, LOGL_ERROR, "Failed to allocate clear command.\n"); + return; + } + + msg->l2h = msgb_put(msg, sizeof(*rel)); + rel = (struct sccp_connection_released *) msg->l2h; + rel->type = SCCP_MSG_TYPE_RLSD; + rel->release_cause = SCCP_RELEASE_CAUSE_SCCP_FAILURE; + rel->destination_local_reference = conn->remote_ref; + rel->source_local_reference = conn->patched_ref; + + ipaccess_prepend_header(msg, IPAC_PROTO_SCCP); + + if (write_queue_enqueue(&msc_con->write_queue, msg) != 0) { + LOGP(DINP, LOGL_ERROR, "Failed to enqueue the write.\n"); + msgb_free(msg); + } +} + static void send_mgcp_reset(struct bsc_connection *bsc) { static const u_int8_t mgcp_reset[] = { @@ -354,7 +380,7 @@ static void remove_bsc_connection(struct bsc_connection *connection) if (sccp_patch->bsc != connection) continue; -#warning "TODO: Send a RLSD to the MSC. Or at least a clear command." + nat_send_rlsd(sccp_patch); sccp_connection_destroy(sccp_patch); } |