From f603f28488c6c6f04d8314d9f049b535d74d6307 Mon Sep 17 00:00:00 2001
From: Holger Hans Peter Freyther <zecke@selfish.org>
Date: Sun, 30 Jan 2011 00:24:15 +0100
Subject: [PATCH] isup: Make it possible for the STP to handle/not  handle ISUP
 messages

Add an option to decide if we should handle GROUP BLOCK and RESET
messages inside the STP or if we should forward those as well.
---
 include/bsc_data.h  |  3 +++
 src/main_stp.c      |  7 +++++--
 src/vty_interface.c | 17 +++++++++++++++++
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/include/bsc_data.h b/include/bsc_data.h
index 698a33f..fe6d295 100644
--- a/include/bsc_data.h
+++ b/include/bsc_data.h
@@ -124,6 +124,9 @@ struct bsc_data {
 	int ni_ni;
 	int ni_spare;
 
+	/* isup handling */
+	int isup_pass;
+
 	/* LAC of the cell */
 	struct gsm48_loc_area_id lai;
 	uint16_t mcc;
diff --git a/src/main_stp.c b/src/main_stp.c
index 45a89aa..444e7be 100644
--- a/src/main_stp.c
+++ b/src/main_stp.c
@@ -256,8 +256,11 @@ int main(int argc, char **argv)
 	bsc.m2ua_set->name = talloc_strdup(bsc.m2ua_set, "M2UA");
 
 	/* for both links we want to have all isup messages */
-	bsc.m2ua_set->pass_all_isup = 1;
-	bsc.link_set->pass_all_isup = 1;
+	if (bsc.isup_pass) {
+		LOGP(DINP, LOGL_NOTICE, "Going to pass through all ISUP messages.\n");
+		bsc.m2ua_set->pass_all_isup = 1;
+		bsc.link_set->pass_all_isup = 1;
+	}
 
 	lnk = sctp_m2ua_transp_create("0.0.0.0", 2904);
 	lnk->base.pcap_fd = -1;
diff --git a/src/vty_interface.c b/src/vty_interface.c
index ec85f30..8185406 100644
--- a/src/vty_interface.c
+++ b/src/vty_interface.c
@@ -83,6 +83,7 @@ static int config_write_cell(struct vty *vty)
 	vty_out(vty, " msc ip %s%s", bsc.msc_address, VTY_NEWLINE);
 	vty_out(vty, " msc ip-dscp %d%s", bsc.msc_ip_dscp, VTY_NEWLINE);
 	vty_out(vty, " msc token %s%s", bsc.token, VTY_NEWLINE);
+	vty_out(vty, " isup pass-through %d%s", bsc.isup_pass, VTY_NEWLINE);
 
 	return CMD_SUCCESS;
 }
@@ -290,6 +291,21 @@ DEFUN(cfg_lac, cfg_lac_cmd,
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_isup_pass, cfg_isup_pass_cmd,
+      "isup pass-through (0|1)",
+      "ISUP related functionality\n"
+      "Pass through all ISUP messages directly\n"
+      "Handle some messages locally\n" "Pass through everything\n")
+{
+	bsc.isup_pass = atoi(argv[0]);
+	if (bsc.m2ua_set)
+		bsc.m2ua_set->pass_all_isup = bsc.isup_pass;
+	if (bsc.link_set)
+		bsc.link_set->pass_all_isup = bsc.isup_pass;
+
+	return CMD_SUCCESS;
+}
+
 static void dump_stats(struct vty *vty, const char *name, struct mtp_link_set *set)
 {
 	struct mtp_link *link;
@@ -532,6 +548,7 @@ void cell_vty_init(void)
 	install_element(CELLMGR_NODE, &cfg_mcc_cmd);
 	install_element(CELLMGR_NODE, &cfg_mnc_cmd);
 	install_element(CELLMGR_NODE, &cfg_lac_cmd);
+	install_element(CELLMGR_NODE, &cfg_isup_pass_cmd);
 
 	/* special commands */
 	install_element(ENABLE_NODE, &pcap_set_cmd);