From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Mon, 2 Aug 2021 11:41:21 +0000 (+0200)
Subject: 6in4: delete tunnel on interface teardown
X-Git-Tag: v22.03.0-rc1~1980
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0530c490ee0091cfb97de2aa209bbb73412cca6c;p=thirdparty%2Fopenwrt.git

6in4: delete tunnel on interface teardown

Delete tunnel on 6in4 interface teardown.
Should solve problem related to tunnel stuck on restart loop
with "Unknown Command" on tunnel restart due to wan connection drop.
Fixes: FS#3690

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
---

diff --git a/package/network/ipv6/6in4/Makefile b/package/network/ipv6/6in4/Makefile
index 08696ef7a89..331295ba7ad 100644
--- a/package/network/ipv6/6in4/Makefile
+++ b/package/network/ipv6/6in4/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6in4
-PKG_RELEASE:=26
+PKG_RELEASE:=27
 PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/6in4/files/6in4.sh b/package/network/ipv6/6in4/files/6in4.sh
index 5b5c7b36af9..d0904952fdf 100755
--- a/package/network/ipv6/6in4/files/6in4.sh
+++ b/package/network/ipv6/6in4/files/6in4.sh
@@ -138,6 +138,8 @@ proto_6in4_setup() {
 
 proto_6in4_teardown() {
 	local cfg="$1"
+	local link="6in4-$cfg"
+	ip link del $link
 }
 
 proto_6in4_init_config() {