[openwrt/openwrt] ipip: add 'nohostroute' option

[LEDE Commits]

dedeckeh pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/46ce629fe0e48236ef926debee5f188f5f99c3f0

commit 46ce629fe0e48236ef926debee5f188f5f99c3f0
Author: Matthew Hagan <mnhagan88 at gmail.com>
AuthorDate: Tue Jan 18 12:24:54 2022 +0000

    ipip: add 'nohostroute' option
    
    Add the nohostroute option as available for gre and wg tunnels to
    allow the user to prevent explicit creation of a route to the peer
    address.
    
    Signed-off-by: Matthew Hagan <mnhagan88 at gmail.com>
---
 package/network/config/ipip/Makefile      | 2 +-
 package/network/config/ipip/files/ipip.sh | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/package/network/config/ipip/Makefile b/package/network/config/ipip/Makefile
index c262182558..4494e1b81f 100644
--- a/package/network/config/ipip/Makefile
+++ b/package/network/config/ipip/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ipip
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/config/ipip/files/ipip.sh b/package/network/config/ipip/files/ipip.sh
index 15b1c978e3..c433ee0de4 100755
--- a/package/network/config/ipip/files/ipip.sh
+++ b/package/network/config/ipip/files/ipip.sh
@@ -12,7 +12,7 @@ proto_ipip_setup() {
 	local remoteip
 
 	local df ipaddr peeraddr tunlink ttl tos zone mtu
-	json_get_vars df ipaddr peeraddr tunlink ttl tos zone mtu
+	json_get_vars df ipaddr peeraddr tunlink ttl tos zone mtu nohostroute
 
 	[ -z "$peeraddr" ] && {
 		proto_notify_error "$cfg" "MISSING_PEER_ADDRESS"
@@ -32,7 +32,9 @@ proto_ipip_setup() {
 		break
 	done
 
-	( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
+	if [ "${nohostroute}" != "1" ]; then
+		( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
+	fi
 
 	[ -z "$ipaddr" ] && {
 		local wanif="$tunlink"
@@ -84,6 +86,7 @@ proto_ipip_init_config() {
 	proto_config_add_string "ipaddr"
 	proto_config_add_string "peeraddr"
 	proto_config_add_boolean "df"
+	proto_config_add_boolean "nohostroute"
 }
 
 [ -n "$INCLUDE_ONLY" ] || {