openconnect: new option mtu

According to openconnect --help output:

  -m, --mtu=MTU                   Request MTU from server
      --base-mtu=MTU              Indicate path MTU to/from server

Fixes #2099 by allowing setting tunnel mtu

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

diff --git a/net/openconnect/Makefile b/net/openconnect/Makefile
index ea4f3ab4eacda2295e3b6b306ff60f612b86ffb1..60953652cf8e7445fc824019d3f3d6efea575587 100644 (file)
--- a/net/openconnect/Makefile
+++ b/net/openconnect/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openconnect
 PKG_VERSION:=7.08
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 PKG_USE_MIPS16:=0
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz

diff --git a/net/openconnect/files/openconnect.sh b/net/openconnect/files/openconnect.sh
index 4fd397894f08cc5fef7416dd37ec5b9164b6f4ee..0e3d90ab4436e5e5c37532ff1751164f76763f03 100755 (executable)
--- a/net/openconnect/files/openconnect.sh
+++ b/net/openconnect/files/openconnect.sh
@@ -6,6 +6,7 @@ init_proto "$@"
 proto_openconnect_init_config() {
        proto_config_add_string "server"
        proto_config_add_int "port"
+       proto_config_add_int "mtu"
        proto_config_add_string "username"
        proto_config_add_string "serverhash"
        proto_config_add_string "authgroup"
@@ -22,7 +23,7 @@ proto_openconnect_init_config() {
 proto_openconnect_setup() {
        local config="$1"
 
-       json_get_vars server port username serverhash authgroup password password2 token_mode token_secret os csd_wrapper
+       json_get_vars server port username serverhash authgroup password password2 token_mode token_secret os csd_wrapper mtu
 
        grep -q tun /proc/modules || insmod tun
        ifname="vpn-$config"
@@ -38,6 +39,7 @@ proto_openconnect_setup() {
        [ -n "$port" ] && port=":$port"
 
        cmdline="$server$port -i "$ifname" --non-inter --syslog --script /lib/netifd/vpnc-script"
+       [ -n "$mtu" ] && cmdline="$cmdline --mtu $mtu"
 
        # migrate to standard config files
        [ -f "/etc/config/openconnect-user-cert-vpn-$config.pem" ] && mv "/etc/config/openconnect-user-cert-vpn-$config.pem" "/etc/openconnect/user-cert-vpn-$config.pem"