[bsc_init] When the RSL/OML connection drops, free all lchan

Free all allocated channels on the TRX that failed, go through
lchan_free to signal higher layers and then force a reset of
the channel. Make the TRX and TS unusable by setting the operational
set to 0 (not really defined).

1 files changed, 15 insertions, 0 deletions

diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index 48732f76c..1fb0a4f1e 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -322,6 +322,21 @@ void lchan_free(struct gsm_lchan *lchan)
 	 * channel using it */
 }
 
+/*
+ * There was an error with the TRX and we need to forget
+ * any state so that a lchan can be allocated again after
+ * the trx is fully usable.
+ */
+void lchan_reset(struct gsm_lchan *lchan)
+{
+	bsc_del_timer(&lchan->T3101);
+	bsc_del_timer(&lchan->T3111);
+	bsc_del_timer(&lchan->error_timer);
+
+	lchan->type = GSM_LCHAN_NONE;
+	lchan->state = LCHAN_S_NONE;
+}
+
 static int _lchan_release_next_sapi(struct gsm_lchan *lchan)
 {
 	int sapi;