gluon-mesh-batman-adv-*: move MTU configuration to version-specific upgrade scripts

package/gluon-mesh-batman-adv-14/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-14

+#!/usr/bin/lua
+
+local site = require 'gluon.site_config'
+
+local uci = require('luci.model.uci').cursor()
+
+
+local function configure_mtu(radio, config)
+  local mesh = 'mesh_' .. radio
+
+  if config.mesh_vlan then
+    uci:set('network', mesh, 'mtu', 1532)
+    uci:set('network', mesh .. '_vlan', 'mtu', 1528)
+  else
+    uci:set('network', mesh, 'mtu', 1528)
+  end
+end
+
+
+local radios = {}
+
+uci:foreach('wireless', 'wifi-device',
+	    function(s)
+	      table.insert(radios, s['.name'])
+	    end
+)
+
+for _, radio in ipairs(radios) do
+	local hwmode = uci:get('wireless', radio, 'hwmode')
+
+	if hwmode == '11g' or hwmode == '11ng' then
+	  configure_mtu(radio, site.wifi24)
+	elseif hwmode == '11a' or hwmode == '11na' then
+	  configure_mtu(radio, site.wifi5)
+	end
+end
+
+
+uci:save('network')
+uci:commit('network')

package/gluon-mesh-batman-adv-15/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-15

+#!/usr/bin/lua
+
+local site = require 'gluon.site_config'
+
+local uci = require('luci.model.uci').cursor()
+
+
+local function configure_mtu(radio, config)
+  local mesh = 'mesh_' .. radio
+
+  if config.mesh_vlan then
+    uci:set('network', mesh, 'mtu', 1536)
+    uci:set('network', mesh .. '_vlan', 'mtu', 1532)
+  else
+    uci:set('network', mesh, 'mtu', 1532)
+  end
+end
+
+
+local radios = {}
+
+uci:foreach('wireless', 'wifi-device',
+	    function(s)
+	      table.insert(radios, s['.name'])
+	    end
+)
+
+for _, radio in ipairs(radios) do
+	local hwmode = uci:get('wireless', radio, 'hwmode')
+
+	if hwmode == '11g' or hwmode == '11ng' then
+	  configure_mtu(radio, site.wifi24)
+	elseif hwmode == '11a' or hwmode == '11na' then
+	  configure_mtu(radio, site.wifi5)
+	end
+end
+
+
+uci:save('network')
+uci:commit('network')

package/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless

@@ -33,14 +33,12 @@ local function configure_radio(radio, index, config)
 	uci:section('network', 'interface', mesh,
 	      {
 		proto = 'none',
-		mtu = '1532',
 	      }
 	)
 	uci:section('network', 'interface', mesh .. '_vlan',
 	      {
 		ifname = '@' .. mesh .. '.' .. config.mesh_vlan,
 		proto = 'batadv',
-		mtu = '1528',
 		mesh = 'bat0',
 	      }
 	)
@@ -48,7 +46,6 @@ local function configure_radio(radio, index, config)
 	uci:section('network', 'interface', mesh,
 	      {
 		proto = 'batadv',
-		mtu = '1528',
 		mesh = 'bat0',
 	      }
 	)