VTY: add the dyn_ts_allow_tch_f option
This option allows to enable or disable TCH/F allocation on the
TCH/F_TCH/H_PDCH timeslots. Until now, source code modification
was required to enable this feature.
Related: OS#1778
Change-Id: Id18cab25844dc854a66b4e2713e90c3f43afa712
diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index 17cc804..08e07d8 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -384,7 +384,6 @@
/* Allow or disallow TCH/F on dynamic TCH/F_TCH/H_PDCH; OS#1778 */
bool dyn_ts_allow_tch_f;
- /* TODO: vty for this; related: OS#1781 */
/* all active subscriber connections. */
struct llist_head subscr_conns;
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index b1747aa..66b30cd 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -821,6 +821,8 @@
vty_out(vty, " timer t3119 %u%s", gsmnet->T3119, VTY_NEWLINE);
vty_out(vty, " timer t3122 %u%s", gsmnet->T3122, VTY_NEWLINE);
vty_out(vty, " timer t3141 %u%s", gsmnet->T3141, VTY_NEWLINE);
+ vty_out(vty, " dyn_ts_allow_tch_f %d%s",
+ gsmnet->dyn_ts_allow_tch_f ? 1 : 0, VTY_NEWLINE);
vty_out(vty, " subscriber-keep-in-ram %d%s",
gsmnet->subscr_group->keep_subscr, VTY_NEWLINE);
if (gsmnet->tz.override != 0) {
diff --git a/openbsc/src/libcommon-cs/common_cs_vty.c b/openbsc/src/libcommon-cs/common_cs_vty.c
index 08a7581..76336a1 100644
--- a/openbsc/src/libcommon-cs/common_cs_vty.c
+++ b/openbsc/src/libcommon-cs/common_cs_vty.c
@@ -197,6 +197,18 @@
return CMD_SUCCESS;
}
+DEFUN(cfg_net_dyn_ts_allow_tch_f,
+ cfg_net_dyn_ts_allow_tch_f_cmd,
+ "dyn_ts_allow_tch_f (0|1)",
+ "Allow or disallow allocating TCH/F on TCH_F_TCH_H_PDCH timeslots\n"
+ "Disallow TCH/F on TCH_F_TCH_H_PDCH (default)\n"
+ "Allow TCH/F on TCH_F_TCH_H_PDCH\n")
+{
+ struct gsm_network *gsmnet = gsmnet_from_vty(vty);
+ gsmnet->dyn_ts_allow_tch_f = atoi(argv[0]) ? true : false;
+ return CMD_SUCCESS;
+}
+
DEFUN(cfg_net_subscr_keep,
cfg_net_subscr_keep_cmd,
"subscriber-keep-in-ram (0|1)",
@@ -295,6 +307,7 @@
install_element(GSMNET_NODE, &cfg_net_timezone_cmd);
install_element(GSMNET_NODE, &cfg_net_timezone_dst_cmd);
install_element(GSMNET_NODE, &cfg_net_no_timezone_cmd);
+ install_element(GSMNET_NODE, &cfg_net_dyn_ts_allow_tch_f_cmd);
return CMD_SUCCESS;
}
diff --git a/openbsc/src/osmo-nitb/bsc_hack.c b/openbsc/src/osmo-nitb/bsc_hack.c
index dd90b8b..d8029cd 100644
--- a/openbsc/src/osmo-nitb/bsc_hack.c
+++ b/openbsc/src/osmo-nitb/bsc_hack.c
@@ -301,6 +301,20 @@
} else
DEBUGP(DMNCC, "Using internal MNCC handler.\n");
+ /*
+ * For osmo-nitb, skip TCH/F for now, because otherwise dyn TS
+ * always imply the possibility to have a mix of TCH/F and
+ * TCH/H channels; if two phones request a TCH/F and a TCH/H,
+ * respectively, they cannot call each other. If we deny TCH/F,
+ * they will both fall back to TCH/H, and dynamic channels are
+ * usable. See OS#1778.
+ *
+ * A third-party MSC may well be able to handle a TCH/H TCH/F
+ * mismatch. Moreover, this option may be overwritten in the
+ * config file or in VTY.
+ */
+ bsc_gsmnet->dyn_ts_allow_tch_f = false;
+
/* Read the config */
rc = bsc_network_configure(config_file);
if (rc < 0) {
@@ -313,19 +327,6 @@
#endif
bsc_api_init(bsc_gsmnet, msc_bsc_api());
- /*
- * For osmo-nitb, skip TCH/F for now, because otherwise dyn TS
- * always imply the possibility to have a mix of TCH/F and
- * TCH/H channels; if two phones request a TCH/F and a TCH/H,
- * respectively, they cannot call each other. If we deny TCH/F,
- * they will both fall back to TCH/H, and dynamic channels are
- * usable. See http://osmocom.org/issues/1778.
- *
- * A third-party MSC may well be able to handle a TCH/H TCH/F
- * mismatch.
- */
- bsc_gsmnet->dyn_ts_allow_tch_f = false;
-
/* start control interface after reading config for
* ctrl_vty_get_bind_addr() */
bsc_gsmnet->ctrl = bsc_controlif_setup(bsc_gsmnet,