nat: Attempt to have a single BSC write method
This method currently prepends the IPA header and sends
the data. In the future we might be able to use SCTP for
it.
We have to remove the IPA header from the static messages
for that to work.
This code is untested.
diff --git a/openbsc/src/nat/bsc_nat_utils.c b/openbsc/src/nat/bsc_nat_utils.c
index eddcaff..3307e68 100644
--- a/openbsc/src/nat/bsc_nat_utils.c
+++ b/openbsc/src/nat/bsc_nat_utils.c
@@ -146,13 +146,13 @@
msg->l3h = msgb_put(msg, length);
memcpy(msg->l3h, data, length);
- return bsc_write_mgcp_msg(bsc, msg);
+ return bsc_write(bsc, msg, NAT_IPAC_PROTO_MGCP);
}
-int bsc_write_mgcp_msg(struct bsc_connection *bsc, struct msgb *msg)
+int bsc_write(struct bsc_connection *bsc, struct msgb *msg, int proto)
{
/* prepend the header */
- ipaccess_prepend_header(msg, NAT_IPAC_PROTO_MGCP);
+ ipaccess_prepend_header(msg, proto);
if (write_queue_enqueue(&bsc->write_queue, msg) != 0) {
LOGP(DINP, LOGL_ERROR, "Failed to enqueue the write.\n");