From 4dca0ef4785c1b77f6b00a24759aa7d8960a6a51 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@FreeBSD.org>
Date: Sat, 14 Apr 2012 21:01:44 +0000
Subject: [PATCH] Send always HBs when in PF state.

MFC after: 1 week
X-MFC with: r234296
---
 sys/netinet/sctp_timer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/netinet/sctp_timer.c b/sys/netinet/sctp_timer.c
index 8d7abcada7c5..10ae21e57754 100644
--- a/sys/netinet/sctp_timer.c
+++ b/sys/netinet/sctp_timer.c
@@ -1451,7 +1451,8 @@ sctp_heartbeat_timer(struct sctp_inpcb *inp, struct sctp_tcb *stcb,
 		} else {
 			ms_gone_by = 0xffffffff;
 		}
-		if (ms_gone_by >= net->heart_beat_delay) {
+		if ((ms_gone_by >= net->heart_beat_delay) ||
+		    (net->dest_state & SCTP_ADDR_PF)) {
 			sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);
 		}
 	}