From eca1bac23f6c943c71d2eabe352c7032e3617245 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sat, 24 Jan 2015 17:14:18 +0100
Subject: [PATCH] gluon-mesh-batman-adv-*: move MTU configuration to
 version-specific upgrade scripts

---
 .../upgrade/350-gluon-mesh-batman-adv-14      | 40 +++++++++++++++++++
 .../upgrade/350-gluon-mesh-batman-adv-15      | 40 +++++++++++++++++++
 .../320-gluon-mesh-batman-adv-core-wireless   |  3 --
 3 files changed, 80 insertions(+), 3 deletions(-)
 create mode 100755 gluon/gluon-mesh-batman-adv-14/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-14
 create mode 100755 gluon/gluon-mesh-batman-adv-15/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-15

diff --git a/gluon/gluon-mesh-batman-adv-14/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-14 b/gluon/gluon-mesh-batman-adv-14/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-14
new file mode 100755
index 0000000..b3ed1e8
--- /dev/null
+++ b/gluon/gluon-mesh-batman-adv-14/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-14
@@ -0,0 +1,40 @@
+#!/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')
diff --git a/gluon/gluon-mesh-batman-adv-15/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-15 b/gluon/gluon-mesh-batman-adv-15/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-15
new file mode 100755
index 0000000..96f7d31
--- /dev/null
+++ b/gluon/gluon-mesh-batman-adv-15/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-15
@@ -0,0 +1,40 @@
+#!/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')
diff --git a/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless b/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless
index 98ac4c6..74b40d8 100755
--- a/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless
+++ b/gluon/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',
 	      }
 	)