From 3ebbf795df2633bbd277a5ec8651d4b093a775a2 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 24 Aug 2021 17:40:28 +0200
Subject: [PATCH] ustp: add OpenWrt STP/RSTP daemon

This integrates with netifd in order to provide STP/RSTP protocol support
in user space. It defaults to using RSTP for bridges with stp enabled.
This daemon has no config files, it uses the configuration passed from
netifd via ubus

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 package/network/services/ustp/Makefile        | 41 +++++++++++++++++++
 .../network/services/ustp/files/ustpd.init    | 14 +++++++
 2 files changed, 55 insertions(+)
 create mode 100644 package/network/services/ustp/Makefile
 create mode 100644 package/network/services/ustp/files/ustpd.init

diff --git a/package/network/services/ustp/Makefile b/package/network/services/ustp/Makefile
new file mode 100644
index 0000000000000..682bd9f350344
--- /dev/null
+++ b/package/network/services/ustp/Makefile
@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2021 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ustp
+PKG_RELEASE:=1
+
+PKG_SOURCE_URL=$(PROJECT_GIT)/project/ustp.git
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_DATE:=2021-08-25
+PKG_SOURCE_VERSION:=9622264cf92691f18ae9222b0a4c9db95af5d80d
+PKG_MIRROR_HASH:=de4ed29eee21192b60e8683633d916d251bcccd5701bdac83b5ba435189297f1
+
+PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
+PKG_LICENSE:=GPL-2.0
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/ustp
+  SECTION:=net
+  CATEGORY:=Network
+  TITLE:=OpenWrt STP/RSTP daemon
+  DEPENDS:=+libubox +libubus
+endef
+
+TARGET_CFLAGS += -I$(STAGING_DIR)/usr/include -flto
+TARGET_LDFLAGS += -flto -fuse-linker-plugin
+
+define Package/ustp/install
+	$(INSTALL_DIR) $(1)/sbin $(1)/etc/init.d
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/ipkg-install/sbin/* $(1)/sbin/
+	$(INSTALL_BIN) ./files/ustpd.init $(1)/etc/init.d/ustpd
+endef
+
+$(eval $(call BuildPackage,ustp))
diff --git a/package/network/services/ustp/files/ustpd.init b/package/network/services/ustp/files/ustpd.init
new file mode 100644
index 0000000000000..9b741fec785b3
--- /dev/null
+++ b/package/network/services/ustp/files/ustpd.init
@@ -0,0 +1,14 @@
+#!/bin/sh /etc/rc.common
+# Copyright (c) 2021 OpenWrt.org
+
+START=50
+
+USE_PROCD=1
+PROG=/sbin/ustpd
+
+start_service() {
+	procd_open_instance
+	procd_set_param command "$PROG"
+	procd_set_param respawn
+	procd_close_instance
+}