From b6215ba95899328bd13fabbf6488b602763b9352 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 11 Nov 2021 14:44:26 +0100
Subject: add global-functions.d/bridge-port-vlan

---
 global-functions.d/bridge-port-vlan | 62 +++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 global-functions.d/bridge-port-vlan

(limited to 'global-functions.d')

diff --git a/global-functions.d/bridge-port-vlan b/global-functions.d/bridge-port-vlan
new file mode 100644
index 0000000..754579a
--- /dev/null
+++ b/global-functions.d/bridge-port-vlan
@@ -0,0 +1,62 @@
+#!rsc by RouterOS
+# RouterOS script: global-functions.d/bridge-port-vlan
+# Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de>
+# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
+#
+# manage VLANs on bridge ports
+# https://git.eworm.de/cgit/routeros-scripts/about/doc/global-functions.d/bridge-port-vlan.md
+
+:global BridgePortVlan;
+
+# TODO
+:global BridgePortVlan do={
+  :local ConfigTo [ :tostr $1 ];
+
+  :global IfThenElse;
+  :global LogPrintExit2;
+  :global ParseKeyValueStore;
+
+  :foreach BridgePort in=[ / interface bridge port find where !(comment=[]) ] do={
+    :local BridgePortVal [ / interface bridge port get $BridgePort ];
+    :foreach Config,Vlan in=[ $ParseKeyValueStore ($BridgePortVal->"comment") ] do={
+      :if ($Config = $ConfigTo) do={
+        :local DHCPClient [ / ip dhcp-client find where interface=$BridgePortVal->"interface" comment="toggle with bridge port" ];
+
+        :if ($Vlan = "dhcp-client") do={
+          :if ([ :len $DHCPClient ] != 1) do={
+            $LogPrintExit2 warning $0 ([ $IfThenElse ([ :len $DHCPClient ] = 0) "Missing" "Duplicate" ] . \
+                " dhcp client configuration for interface " . $BridgePortVal->"interface" . "!") true;
+          }
+          :local DHCPClientDisabled [ / ip dhcp-client get $DHCPClient disabled ];
+
+          :if ($BridgePortVal->"disabled" = false || $DHCPClientDisabled = true) do={
+            $LogPrintExit2 info $0 ("Disabling bridge port for interface " . $BridgePortVal->"interface" . ", enabling dhcp client.") false;
+            / interface bridge port disable $BridgePort;
+            :delay 200ms;
+            / ip dhcp-client enable $DHCPClient;
+          }
+        } else={
+          :if ($Vlan != [ :tostr [ :tonum $Vlan ] ]) do={
+            :do {
+              :set $Vlan ([ / interface bridge vlan get [ find where comment=$Vlan ] vlan-ids ]->0);
+            } on-error={
+              $LogPrintExit2 warning $0 ("Could not find VLAN '" . $Vlan . "' for interface " . $BridgePortVal->"interface" . "!") true;
+            }
+          }
+          :if ($BridgePortVal->"disabled" = true || $Vlan != $BridgePortVal->"pvid") do={
+            $LogPrintExit2 info $0 ("Enabling bridge port for interface " . $BridgePortVal->"interface" . ", changing to " . $ConfigTo . \
+                " vlan " . $Vlan . ", disabling dhcp client.") false;
+            :if ([ :len $DHCPClient ] = 1) do={
+              / ip dhcp-client disable $DHCPClient;
+              :delay 200ms;
+            }
+            / interface bridge port set disabled=no pvid=$Vlan $BridgePort;
+          } else={
+            $LogPrintExit2 debug $0 ("Interface " . $BridgePortVal->"interface" . " already connected to " . $ConfigTo . \
+                " vlan " . $Vlan . ".") false;
+          }
+        }
+      }
+    }
+  }
+}
-- 
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