From 2c8dcae0d9a5f9b8ec13a513a69ecf92dfc7642c Mon Sep 17 00:00:00 2001
From: Bill Yuan <bycn82@dragonflybsd.org>
Date: Fri, 13 Apr 2018 01:49:26 +0000
Subject: [PATCH] ipfw3nat: flush all configurations

---
 sys/net/ipfw3_nat/ip_fw3_nat.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/sys/net/ipfw3_nat/ip_fw3_nat.c b/sys/net/ipfw3_nat/ip_fw3_nat.c
index 584308ea1b..d44498466c 100644
--- a/sys/net/ipfw3_nat/ip_fw3_nat.c
+++ b/sys/net/ipfw3_nat/ip_fw3_nat.c
@@ -578,7 +578,16 @@ ip_fw3_ctl_nat_del(struct sockopt *sopt)
 int
 ip_fw3_ctl_nat_flush(struct sockopt *sopt)
 {
-	/* TODO */
+	struct netmsg_nat_del nat_del_msg, *msg;
+	int i;
+	msg = &nat_del_msg;
+	for (i = 0; i < NAT_ID_MAX; i++) {
+		msg->id = i + 1;
+		netmsg_init(&msg->base, NULL, &curthread->td_msgport,
+				0, nat_del_dispatch);
+
+		netisr_domsg(&msg->base, 0);
+	}
 	return 0;
 }
 
-- 
2.11.4.GIT