gluon-mesh-batman-adv-core/gluon-luci-portconfig: fix configuration of br-client ifname with multiple interfaces in lan_ifname

There are a few devices on which lan_ifname contains multiple interface
names separated by spaces.

package/gluon-luci-portconfig/files/usr/lib/lua/luci/model/cbi/admin/portconfig.lua

@@ -13,6 +13,7 @@ $Id$
 ]]--
 
 local uci = luci.model.uci.cursor()
+local lutil = require 'luci.util'
 local sysconfig = require 'gluon.sysconfig'
 
 local wan = uci:get_all("network", "wan")
@@ -121,10 +122,15 @@ function f.handle(self, state, data)
     if sysconfig.lan_ifname then
       uci:set("network", "mesh_lan", "auto", data.mesh_lan)
 
+      local doit
       if data.mesh_lan == '1' then
-        uci:remove_from_set("network", "client", "ifname", sysconfig.lan_ifname)
+        doit = uci.remove_from_set
       else
-        uci:add_to_set("network", "client", "ifname", sysconfig.lan_ifname)
+        doit = uci.add_to_set
+      end
+
+      for _, lanif in ipairs(lutil.split(sysconfig.lan_ifname, ' ')) do
+        doit(uci, "network", "client", "ifname", lanif)
       end
     end
 

package/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/310-gluon-mesh-batman-adv-core-mesh

@@ -3,7 +3,9 @@
 local sysconfig = require 'gluon.sysconfig'
 local sysctl = require 'gluon.sysctl'
 local site = require 'gluon.site_config'
+
 local uci = require('luci.model.uci').cursor()
+local lutil = require 'luci.util'
 
 
 local gw_sel_class
@@ -28,7 +30,9 @@ if not uci:get('network', 'client', 'ifname') then
   uci:add_to_set('network', 'client', 'ifname', 'bat0')
 
   if sysconfig.lan_ifname and not site.mesh_on_lan then
-    uci:add_to_set('network', 'client', 'ifname', sysconfig.lan_ifname)
+    for _, lanif in ipairs(lutil.split(sysconfig.lan_ifname, ' ')) do
+      uci:add_to_set('network', 'client', 'ifname', lanif)
+    end
   end
 end
 

package/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/340-gluon-mesh-batman-adv-core-mesh-on-lan

@@ -13,8 +13,13 @@ if sysconfig.lan_ifname and not uci:get('network', 'mesh_lan') then
   if enable then
     local interfaces = uci:get_list('network', 'client', 'ifname')
 
-    if interfaces and lutil.contains(interfaces, sysconfig.lan_ifname) then
-      enable = false
+    if interfaces then
+      for _, lanif in ipairs(lutil.split(sysconfig.lan_ifname, ' ')) do
+	if lutil.contains(interfaces, lanif) then
+	  enable = false
+	  break
+        end
+      end
     end
   end