From ab32336b091c72d3de34943deb9c318ed60ff87d Mon Sep 17 00:00:00 2001
From: Richard Mudgett <rmudgett@digium.com>
Date: Mon, 30 Aug 2010 20:49:11 +0000
Subject: [PATCH] Reduced fake MDL-ERROR (Z) message severity to be visible
 only when debugging enabled.

git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@1929 2fbb986a-6c06-0410-b554-c9c1f0a7f128
---
 q921.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/q921.c b/q921.c
index 92b7f44..d1c11c4 100644
--- a/q921.c
+++ b/q921.c
@@ -1668,6 +1668,14 @@ static void q921_mdl_error(struct pri *ctrl, char error)
 		pri_error(ctrl, "TEI=%d MDL-ERROR (K): FRMR in state %d(%s)\n",
 			ctrl->tei, ctrl->q921_state, q921_state2str(ctrl->q921_state));
 		break;
+	case 'Z':
+		if (is_debug_q921_state) {
+			/* Fake MDL-ERROR to kick start PTP L2 link back up. */
+			pri_message(ctrl,
+				"TEI=%d MDL-ERROR (Z): Kick starting L2 link in state %d(%s)\n",
+				ctrl->tei, ctrl->q921_state, q921_state2str(ctrl->q921_state));
+		}
+		break;
 	default:
 		pri_message(ctrl, "TEI=%d MDL-ERROR (%c): in state %d(%s)\n",
 			ctrl->tei, error, ctrl->q921_state, q921_state2str(ctrl->q921_state));