[PATCH 3/3] gre: Introduce 'nohostroute' option

Adrian Schmutzler mail at adrianschmutzler.de
Di Jul 2 13:13:30 CEST 2019


Applied.

> -----Original Message-----
> From: franken-dev [mailto:franken-dev-bounces at freifunk.net] On Behalf Of
> Adrian Schmutzler
> Sent: Sonntag, 16. Juni 2019 13:39
> To: franken-dev at freifunk.net
> Subject: [PATCH 3/3] gre: Introduce 'nohostroute' option
> 
> It is not always necessary to add a host route for the gre peer address.
> 
> This introduces a new config option 'nohostroute' (similar to the
> option introduced for wireguard in d8e2e19) to allow to disable
> the creation of those routes explicitely.
> 
> This is a backport from OpenWrt master.
> 
> Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
> ---
>  .../0202-gre-introduce-nohostroute-option.patch    | 77
> ++++++++++++++++++++++
>  1 file changed, 77 insertions(+)
>  create mode 100644
> build_patches/openwrt/0202-gre-introduce-nohostroute-option.patch
> 
> diff --git
> a/build_patches/openwrt/0202-gre-introduce-nohostroute-option.patch
> b/build_patches/openwrt/0202-gre-introduce-nohostroute-option.patch
> new file mode 100644
> index 00000000..9cb8e147
> --- /dev/null
> +++ b/build_patches/openwrt/0202-gre-introduce-nohostroute-option.patch
> @@ -0,0 +1,77 @@
> +From: Fabian Bläse <fabian at blaese.de>
> +Date: Wed, 29 May 2019 21:08:01 +0200
> +Subject: gre: introduce 'nohostroute' option
> +
> +It is not always necessary to add a host route for the gre peer address.
> +
> +This introduces a new config option 'nohostroute' (similar to the
> +option introduced for wireguard in d8e2e19) to allow to disable
> +the creation of those routes explicitely.
> +
> +Signed-off-by: Fabian Bläse <fabian at blaese.de>
> +Signed-off-by: Hans Dedecker <dedeckeh at gmail.com> [PKG_RELEASE
> increase]
> +Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de> [backport]
> +
> +diff --git a/package/network/config/gre/files/gre.sh
> b/package/network/config/gre/files/gre.sh
> +index ca11e87cfd..b6131d0555 100755
> +--- a/package/network/config/gre/files/gre.sh
> ++++ b/package/network/config/gre/files/gre.sh
> +@@ -57,7 +57,7 @@ gre_setup() {
> + 	local remoteip
> +
> + 	local ipaddr peeraddr
> +-	json_get_vars df ipaddr peeraddr tunlink
> ++	json_get_vars df ipaddr peeraddr tunlink nohostroute
> +
> + 	[ -z "$peeraddr" ] && {
> + 		proto_notify_error "$cfg" "MISSING_PEER_ADDRESS"
> +@@ -77,7 +77,9 @@ gre_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="$tunlink"
> +@@ -134,7 +136,7 @@ grev6_setup() {
> + 	local remoteip6
> +
> + 	local ip6addr peer6addr weakif
> +-	json_get_vars ip6addr peer6addr tunlink weakif encaplimit
> ++	json_get_vars ip6addr peer6addr tunlink weakif encaplimit nohostroute
> +
> + 	[ -z "$peer6addr" ] && {
> + 		proto_notify_error "$cfg" "MISSING_PEER_ADDRESS"
> +@@ -154,7 +156,9 @@ grev6_setup() {
> + 		break
> + 	done
> +
> +-	( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
> ++	if [ "${nohostroute}" != "1" ]; then
> ++		( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
> ++	fi
> +
> + 	[ -z "$ip6addr" ] && {
> + 		local wanif="$tunlink"
> +@@ -263,6 +267,7 @@ proto_gre_init_config() {
> + 	proto_config_add_string "ipaddr"
> + 	proto_config_add_string "peeraddr"
> + 	proto_config_add_boolean "df"
> ++	proto_config_add_boolean "nohostroute"
> + }
> +
> + proto_gretap_init_config() {
> +@@ -276,6 +281,7 @@ proto_grev6_init_config() {
> + 	proto_config_add_string "peer6addr"
> + 	proto_config_add_string "weakif"
> + 	proto_config_add_string "encaplimit"
> ++	proto_config_add_boolean "nohostroute"
> + }
> +
> + proto_grev6tap_init_config() {
> +--
> +2.11.0
> +
> --
> 2.11.0
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