From e0a228e135fedd5f61f0f360034b4eb9628388db Mon Sep 17 00:00:00 2001
From: Holger Hans Peter Freyther <zecke@selfish.org>
Date: Tue, 7 Jun 2011 19:57:02 +0200
Subject: bsc: Move the finding of a MSC into the filter code

For responding to paging on the right link we will need to
figure out if the msg is a paging response.
---
 openbsc/src/osmo-bsc/osmo_bsc_api.c    | 21 +--------------------
 openbsc/src/osmo-bsc/osmo_bsc_filter.c | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 20 deletions(-)

(limited to 'openbsc/src')

diff --git a/openbsc/src/osmo-bsc/osmo_bsc_api.c b/openbsc/src/osmo-bsc/osmo_bsc_api.c
index 2d2b804f4..067ebabf5 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_api.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_api.c
@@ -81,25 +81,6 @@ static void bsc_cipher_mode_compl(struct gsm_subscriber_connection *conn,
 	queue_msg_or_return(resp);
 }
 
-static struct osmo_msc_data *find_msc(struct gsm_subscriber_connection *conn,
-				      struct msgb *msg)
-{
-	struct osmo_bsc_data *bsc;
-	struct osmo_msc_data *msc;
-
-	bsc = conn->bts->network->bsc_data;
-	llist_for_each_entry(msc, &bsc->mscs, entry) {
-		if (!msc->msc_con->is_authenticated)
-			continue;
-
-		/* force round robin by moving it to the end */
-		llist_move_tail(&msc->entry, &bsc->mscs);
-		return msc;
-	}
-
-	return NULL;
-}
-
 /*
  * Instruct to reserve data for a new connectiom, create the complete
  * layer three message, send it to open the connection.
@@ -115,7 +96,7 @@ static int bsc_compl_l3(struct gsm_subscriber_connection *conn, struct msgb *msg
 	LOGP(DMSC, LOGL_INFO, "Tx MSC COMPL L3\n");
 
 	/* find the MSC link we want to use */
-	msc = find_msc(conn, msg);
+	msc = bsc_find_msc(conn, msg);
 	if (!msc) {
 		LOGP(DMSC, LOGL_ERROR, "Failed to find a MSC for a connection.\n");
 		return -1;
diff --git a/openbsc/src/osmo-bsc/osmo_bsc_filter.c b/openbsc/src/osmo-bsc/osmo_bsc_filter.c
index 9d6909caa..7271fc8c3 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_filter.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_filter.c
@@ -97,6 +97,25 @@ static int handle_page_resp(struct gsm_subscriber_connection *conn, struct msgb
 	subscr_put(subscr);
 	return 0;
 }
+struct osmo_msc_data *bsc_find_msc(struct gsm_subscriber_connection *conn,
+				   struct msgb *msg)
+{
+	struct osmo_bsc_data *bsc;
+	struct osmo_msc_data *msc;
+
+	bsc = conn->bts->network->bsc_data;
+	llist_for_each_entry(msc, &bsc->mscs, entry) {
+		if (!msc->msc_con->is_authenticated)
+			continue;
+
+		/* force round robin by moving it to the end */
+		llist_move_tail(&msc->entry, &bsc->mscs);
+		return msc;
+	}
+
+	return NULL;
+}
+
 
 /**
  * This is used to scan a message for extra functionality of the BSC. This
-- 
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