don't use lchan in libmsc

Change-Id: Ic7ed7faa2bcc7aae799f41ed4abc2c001bfb61b7

3 files changed, 12 insertions, 14 deletions

diff --git a/openbsc/src/libmsc/gsm_04_08.c b/openbsc/src/libmsc/gsm_04_08.c
index a76f8328a..5de559bc5 100644
--- a/openbsc/src/libmsc/gsm_04_08.c
+++ b/openbsc/src/libmsc/gsm_04_08.c
@@ -929,7 +929,7 @@ static int _gsm48_rx_mm_serv_req_sec_cb(
  * b) Try to parse the TMSI. If we do not have one reject
  * c) Check that we know the subscriber with the TMSI otherwise reject
  *    with a HLR cause
- * d) Set the subscriber on the gsm_lchan and accept
+ * d) Set the subscriber on the conn and accept
  */
 static int gsm48_rx_mm_serv_req(struct gsm_subscriber_connection *conn, struct msgb *msg)
 {
@@ -995,7 +995,7 @@ static int gsm48_rx_mm_serv_req(struct gsm_subscriber_connection *conn, struct m
 	if (!conn->subscr)
 		conn->subscr = subscr;
 	else if (conn->subscr == subscr)
-		subscr_put(subscr); /* lchan already has a ref, don't need another one */
+		subscr_put(subscr); /* conn already has a ref, don't need another one */
 	else {
 		DEBUGP(DMM, "<- CM Channel already owned by someone else?\n");
 		subscr_put(subscr);
@@ -1440,12 +1440,11 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
 
 	OSMO_ASSERT(!transt->conn);
 
-	/* check all tranactions (without lchan) for subscriber */
 	switch (event) {
 	case GSM_PAGING_SUCCEEDED:
 		DEBUGP(DCC, "Paging subscr %s succeeded!\n", transt->subscr->extension);
 		OSMO_ASSERT(conn);
-		/* Assign lchan */
+		/* Assign conn */
 		transt->conn = conn;
 		/* send SETUP request to called party */
 		gsm48_cc_tx_setup(transt, &transt->cc.msg);
@@ -3416,14 +3415,14 @@ int mncc_tx_to_cc(struct gsm_network *net, int msg_type, void *arg)
 					 GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
 			return -ENOMEM;
 		}
-		/* Find lchan */
+		/* Find conn */
 		conn = connection_for_subscr(subscr);
 
-		/* If subscriber has no lchan */
+		/* If subscriber has no conn */
 		if (!conn) {
 			/* find transaction with this subscriber already paging */
 			llist_for_each_entry(transt, &net->trans_list, entry) {
-				/* Transaction of our lchan? */
+				/* Transaction of our conn? */
 				if (transt == trans ||
 				    transt->subscr != subscr)
 					continue;
@@ -3453,7 +3452,7 @@ int mncc_tx_to_cc(struct gsm_network *net, int msg_type, void *arg)
 			subscr_put(subscr);
 			return 0;
 		}
-		/* Assign lchan */
+		/* Assign conn */
 		trans->conn = conn;
 		subscr_put(subscr);
 	} else {
@@ -3466,7 +3465,7 @@ int mncc_tx_to_cc(struct gsm_network *net, int msg_type, void *arg)
 
 	/* if paging did not respond yet */
 	if (!conn) {
-		DEBUGP(DCC, "(bts - trx - ts - ti -- sub %s) "
+		DEBUGP(DCC, "(sub %s) "
 			"Received '%s' from MNCC in paging state\n",
 			(trans->subscr)?(trans->subscr->extension):"-",
 			get_mncc_name(msg_type));
@@ -3481,9 +3480,8 @@ int mncc_tx_to_cc(struct gsm_network *net, int msg_type, void *arg)
 		return rc;
 	}
 
-	DEBUGP(DCC, "(bts %d trx %d ts %d ti %02x sub %s) "
+	DEBUGP(DCC, "(ti %02x sub %s) "
 		"Received '%s' from MNCC in state %d (%s)\n",
-		conn->bts->nr, conn->lchan->ts->trx->nr, conn->lchan->ts->nr,
 		trans->transaction_id,
 		(trans->conn->subscr)?(trans->conn->subscr->extension):"-",
 		get_mncc_name(msg_type), trans->cc.state,
diff --git a/openbsc/src/libmsc/gsm_04_11.c b/openbsc/src/libmsc/gsm_04_11.c
index 48a87e055..4952810dd 100644
--- a/openbsc/src/libmsc/gsm_04_11.c
+++ b/openbsc/src/libmsc/gsm_04_11.c
@@ -866,7 +866,7 @@ int gsm0411_rcv_sms(struct gsm_subscriber_connection *conn,
 }
 
 /* Take a SMS in gsm_sms structure and send it through an already
- * existing lchan. We also assume that the caller ensured this lchan already
+ * existing conn. We also assume that the caller ensured this conn already
  * has a SAPI3 RLL connection! */
 int gsm411_send_sms(struct gsm_subscriber_connection *conn, struct gsm_sms *sms)
 {
@@ -992,7 +992,7 @@ int gsm411_send_sms_subscr(struct gsm_subscriber *subscr,
 	struct gsm_subscriber_connection *conn;
 	void *res;
 
-	/* check if we already have an open lchan to the subscriber.
+	/* check if we already have an open conn to the subscriber.
 	 * if yes, send the SMS this way */
 	conn = connection_for_subscr(subscr);
 	if (conn) {
diff --git a/openbsc/src/libmsc/osmo_msc.c b/openbsc/src/libmsc/osmo_msc.c
index 12a5117fa..53067dfab 100644
--- a/openbsc/src/libmsc/osmo_msc.c
+++ b/openbsc/src/libmsc/osmo_msc.c
@@ -143,7 +143,7 @@ struct bsc_api *msc_bsc_api() {
 	return &msc_handler;
 }
 
-/* lchan release handling */
+/* conn release handling */
 void msc_release_connection(struct gsm_subscriber_connection *conn)
 {
 	/* skip when we are in release, e.g. due an error */