radvd: fix daemon start-up

1. Fix radvd.service to start daemon correctly.
2. Make the daemon run under 'radvd' user by default.

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>

meta-networking/recipes-daemons/radvd/files/radvd.default

@@ -0,0 +1 @@
+OPTIONS="-u radvd"

meta-networking/recipes-daemons/radvd/files/radvd.service

@@ -4,11 +4,8 @@ After=network.target
 ConditionPathExists=@SYSCONFDIR@/radvd.conf
 
 [Service]
-Type=forking
-PIDFile=/var/run/radvd/radvd.pid
 EnvironmentFile=-@SYSCONFDIR@/default/radvd
-ExecStartPre=@BASE_BINDIR@/mkdir -p /var/run/radvd
+ExecStart=@SBINDIR@/radvd -n $OPTIONS
-ExecStart=@SBINDIR@/radvd $OPTIONS
 
 [Install]
 WantedBy=multi-user.target

meta-networking/recipes-daemons/radvd/radvd.inc

@@ -17,7 +17,8 @@ LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=73ebbf7182ae996e65e8fadc9a8c45db"
 SRC_URI = "http://v6web.litech.org/radvd/dist/radvd-${PV}.tar.gz \
            file://radvd.init \
            file://radvd.service \
-           file://volatiles.03_radvd"
+           file://volatiles.03_radvd \
+           file://radvd.default"
 
 inherit autotools update-rc.d useradd pkgconfig systemd
 
@@ -44,6 +45,9 @@ do_install_append () {
            -e 's#@SBINDIR@#${sbindir}#g' \
            -e 's#@BASE_BINDIR@#${base_bindir}#g' ${D}${systemd_unitdir}/system/radvd.service
 
+    # Install default environment file
+    install -m 0644 ${WORKDIR}/radvd.default ${D}${sysconfdir}/default/radvd
+
     # Documentation
     for i in radvd.conf.example README; do \
         install -m 0644 ${S}/$i ${D}${docdir}/radvd; \