initial buildroot for linux 5.15

package/mrp/Config.in

@@ -0,0 +1,17 @@
+config BR2_PACKAGE_MRP
+	bool "mrp"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
+	select BR2_PACKAGE_LIBEV
+	select BR2_PACKAGE_LIBMNL
+	select BR2_PACKAGE_LIBNL
+	help
+	  This is the userspace application that configures the kernel
+	  to run MRP protocol. The userspace application is made of 2
+	  applications, one daemon and a client.
+
+	  https://github.com/microchip-ung/mrp
+
+comment "mrp needs a toolchain w/ threads, kernel headers >= 5.0"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS \
+		|| !BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0

package/mrp/S65mrp

@@ -0,0 +1,55 @@
+#!/bin/sh
+#
+# Start mrp
+#
+
+DAEMON="mrp_server"
+
+PIDFILE="/var/run/$DAEMON.pid"
+
+# shellcheck source=/dev/null
+[ -r "/etc/default/mrp_server" ] && . "/etc/default/mrp_server"
+
+start() {
+	printf "Starting mrp daemon: "
+	start-stop-daemon -S -b -q -m -p $PIDFILE \
+		-x /usr/bin/$DAEMON
+	status=$?
+	if [ "$status" -eq 0 ]; then
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+	return $status
+}
+
+stop() {
+	printf "Stopping mrp daemon: "
+	start-stop-daemon -K -q -p $PIDFILE
+	status=$?
+	if [ "$status" -eq 0 ]; then
+		rm -f "$PIDFILE"
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+	return $status
+}
+
+case "$1" in
+  start)
+	start
+	;;
+  stop)
+	stop
+	;;
+  restart|reload)
+	stop
+	start
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?

package/mrp/mrp.hash

@@ -0,0 +1,3 @@
+# locally calculated
+sha256  1a6c76d058bb425a7ec8b69a65de797650961161ec016b51ac8a1965e1ac304f  mrp-1.1.tar.gz
+sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  LICENSE

package/mrp/mrp.mk

@@ -0,0 +1,23 @@
+################################################################################
+#
+# mrp
+#
+################################################################################
+
+MRP_VERSION = 1.1
+MRP_SITE = $(call github,microchip-ung,mrp,v$(MRP_VERSION))
+MRP_DEPENDENCIES = libev libmnl libnl
+MRP_LICENSE = GPL-2.0
+MRP_LICENSE_FILES = LICENSE
+
+define MRP_INSTALL_INIT_SYSV
+	$(INSTALL) -m 755 -D $(MRP_PKGDIR)/S65mrp \
+		$(TARGET_DIR)/etc/init.d/S65mrp
+endef
+
+define MRP_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 $(MRP_PKGDIR)/mrp.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/mrp.service
+endef
+
+$(eval $(cmake-package))

package/mrp/mrp.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Media Redundancy Protocol
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/mrp
+Restart=always
+
+[Install]
+WantedBy=multi-user.target