--- /dev/null
+#
+# Copyright (C) 2019 Alexandru Ardelean <ardeleanalex@gmail.com>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=mstpd
+PKG_VERSION:=0.0.8
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://codeload.github.com/mstpd/mstpd/tar.gz/$(PKG_VERSION)?
+PKG_HASH:=dd6492039368efff0bd13b3f9c8bb32d859ebfe258a70ef23b2163c4b6c35f0c
+
+PKG_MAINTAINER:=Alexandru Ardelean <ardeleanalex@gmail.com>
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE_FILES:=LICENSE
+
+PKG_FIXUP:=autoreconf
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/mstpd
+ SECTION:=net
+ CATEGORY:=Network
+ TITLE:=Multiple Spanning Tree Protocol daemon
+ URL:=https://github.com/mstpd/mstpd
+endef
+
+define Package/mstpd/description
+ Multiple Spanning Tree Protocol daemon.
+ Implements MSTP which is not implemented yet in the Linux kernel.
+endef
+
+define Package/mstpd/config
+ source "$(SOURCE)/Config.in"
+endef
+
+TARGET_CFLAGS += \
+ -DRTNL_RCV_BUFSIZE=$(CONFIG_MSTPD_RTNL_RCV_BUFSIZE) \
+ -DRTNL_SND_BUFSIZE=$(CONFIG_MSTPD_RTNL_SND_BUFSIZE)
+
+MAKE_VARS+=MODE=prod
+
+define Package/mstpd/install
+ $(INSTALL_DIR) $(1)/usr/sbin
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/mstpd $(1)/usr/sbin
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/mstpctl $(1)/usr/sbin
+ $(INSTALL_DIR) $(1)/etc/init.d/
+ $(INSTALL_BIN) ./files/etc/init.d/mstpd.init $(1)/etc/init.d/mstpd
+ $(INSTALL_DIR) $(1)/sbin
+ $(INSTALL_BIN) ./files/sbin/bridge-stp $(1)/sbin
+endef
+
+$(eval $(call BuildPackage,mstpd))
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+# shellcheck disable=SC2034 # foo appears unused. Verify it or export it.
+
+START=25
+STOP=99
+
+MSTPCTL="/usr/sbin/mstpctl"
+MSTPD="/usr/sbin/mstpd"
+
+USE_PROCD=1
+
+mstpd_get_bridges() {
+ "$MSTPCTL" showbridge | grep -v "^ " | cut -d " " -f 1 2>/dev/null
+}
+
+# mstpd log levels
+# LOG_LEVEL_NONE 0
+# LOG_LEVEL_ERROR 1
+# LOG_LEVEL_INFO 2
+# LOG_LEVEL_DEBUG 3
+# LOG_LEVEL_STATE_MACHINE_TRANSITION 4
+# LOG_LEVEL_MAX 100
+
+config_bridge_port_mstpd() {
+ local config="$1"
+ local index=$2 # FIXME: maybe remove index later
+ local name=$3
+
+ [ -n "$index" -a -n "$name" ] || return 0
+
+ config_get br_index "$config" br_index
+ [ -n "$br_index" ] || return 0
+ [ "$index" = "$br_index" ] || return 0
+
+ config_get port_name "$config" name
+ [ -n "$port_name" ] || return 0
+
+ for opt in bpduguard; do
+ config_get $opt "$config" $opt
+ eval optval=\$$opt
+ [ -z "$optval" ] || "$MSTPCTL" "set$opt" "$name" "$port_name" "$optval"
+ done
+}
+
+config_bridge_mstpd() {
+ local config="$1"
+ local optval=
+ local name=
+ local enable=
+ local mstid=0 # for the moment, using only MSTID
+
+ config_get index "$config" index
+ [ -n "$index" ] || return 1
+
+ # Get bridge name
+ config_get name "$config" name
+ [ -n "$name" ] || return 0
+
+ config_get enable "$config" enable
+ if [ "$enable" != "1" ] ; then
+ return 0
+ fi
+
+ list_contains MSTPD_PREINSTALLED_BRIDGES "$name" || \
+ "$MSTPCTL" addbridge "$name"
+ # All options here have 'set$opt' equivalent calls in mstpd,
+ # hence this trick with the loop
+ for opt in maxage fdelay maxhops hello ageing forcevers txholdcount; do
+ config_get $opt "$config" "$opt"
+ eval optval=\$$opt
+ [ -z "$optval" ] || "$MSTPCTL" set$opt "$name" "$optval"
+ done
+ config_get treeprio "$config" treeprio
+ [ -z "$treeprio" ] || $MSTPCTL settreeprio "$name" "$mstid" "$treeprio"
+ config_foreach config_bridge_port_mstpd bridge_port "$index" "$name"
+ CONFIGURED_BRIDGES="$CONFIGURED_BRIDGES $name"
+ export CONFIGURED_BRIDGES
+}
+
+start_service() {
+ procd_open_instance
+ procd_set_param command $MSTPD
+ procd_append_param command -v 2
+ procd_append_param command -d # don't daemonize, procd will handle that for us
+ procd_append_param command -s # print to syslog
+
+ # set auto respawn behavior
+ procd_set_param respawn
+
+ # reload config on respawn
+ procd_open_trigger
+ procd_add_raw_trigger "instance.start" 2000 "/etc/init.d/mstpd" "reload"
+ procd_close_trigger
+
+ procd_close_instance
+}
+
+service_running() {
+ pgrep mstpd >/dev/null 2>&1
+}
+
+reload_service() {
+ if ! running ; then
+ start
+ return
+ fi
+
+ unset CONFIGURED_BRIDGES
+ MSTPD_PREINSTALLED_BRIDGES="$(mstpd_get_bridges)"
+ export MSTPD_PREINSTALLED_BRIDGES
+
+ config_load 'mstpd'
+ config_foreach config_bridge_mstpd bridge
+
+ for bridge in $(mstpd_get_bridges) ; do
+ list_contains CONFIGURED_BRIDGES "$bridge" || \
+ $MSTPCTL delbridge "$bridge"
+ done
+ # return 0 (success) here, otherwise, and endless restart loop will occur from procd
+ # because the last return code may be mstpctl failing
+ return 0
+}
+