nss-ecm: ensure packet steering is always disabled

Converted ecm init to PROCD service and added a function ensure packet steering
is always disabled when loading.

Added additional firewall/network/packet_steering triggers in case user
changes to packet steering are made in the web interface.

Signed-off-by: Sean Khan <datapronix@protonmail.com>

qca-nss-ecm/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=qca-nss-ecm
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE_URL:=https://git.codelinaro.org/clo/qsdk/oss/lklm/qca-nss-ecm.git
 PKG_SOURCE_PROTO:=git

qca-nss-ecm/files/qca-nss-ecm.init

@@ -20,6 +20,7 @@
 # at boot.
 
 START=26
+USE_PROCD=1
 
 sysctl_update() {
   local name value file
@@ -58,6 +59,17 @@ get_front_end_mode() {
   esac
 }
 
+disable_packet_steering() {
+  uci -q set network.globals.packet_steering=0 && uci commit network.globals.packet_steering
+  uci -q del network.globals.steering_flows    && uci commit network.globals.steering_flows
+
+  if [ -e "/usr/libexec/platform/packet-steering.sh" ]; then
+    /usr/libexec/platform/packet-steering.sh 0
+  else
+    /usr/libexec/network/packet-steering.uc -l 0 0
+  fi
+}
+
 disable_bridge_filtering() {
   sysctl_update net.bridge.bridge-nf-call-arptables 0
   sysctl_update net.bridge.bridge-nf-call-iptables 0
@@ -136,9 +148,22 @@ unload_ecm() {
   fi
 }
 
-start() {
+service_triggers() {
+  procd_add_reload_trigger "network"
+  procd_add_reload_trigger "firewall"
+  procd_add_reload_trigger "packet_steering"
+  procd_add_raw_trigger "interface.*" 1000 /etc/init.d/qca-nss-ecm reload
+}
+
+reload_service() {
+  start_service
+}
+
+start_service() {
   load_ecm
 
+  disable_packet_steering
+
   # Only enable bridge filtering if using deprecated fw3
   if [ ! -r /sbin/fw4 ]; then
     enable_bridge_filtering
@@ -154,7 +179,7 @@ start() {
   fi
 }
 
-stop() {
+stop_service() {
   # If ECM is already not loaded, just return
   if [ ! -d /sys/module/ecm ]; then
     return