qca-nss-ecm: Fix WiFi speed

Invoking iptables require lots of CPU resources.

Author: hzyitc

package/kernel/qca/qca-nss-ecm/Makefile

@@ -40,7 +40,7 @@ define KernelPackage/qca-nss-ecm/Default
 	+PACKAGE_kmod-qca-ovsmgr:kmod-qca-ovsmgr
   TITLE:=QCA NSS Enhanced Connection Manager (ECM)
   FILES:=$(PKG_BUILD_DIR)/*.ko $(FILES_EXAMPLES)
-  KCONFIG:=CONFIG_BRIDGE_NETFILTER=y \
+  KCONFIG:= \
 	CONFIG_NF_CONNTRACK_EVENTS=y \
 	CONFIG_NF_CONNTRACK_CHAIN_EVENTS=y \
 	CONFIG_NF_CONNTRACK_DSCPREMARK_EXT=y
@@ -53,13 +53,11 @@ This package contains the QCA NSS Enhanced Connection Manager
 endef
 
 define KernelPackage/qca-nss-ecm/Default/install
-	$(INSTALL_DIR) $(1)/etc/firewall.d $(1)/etc/init.d $(1)/usr/bin $(1)/lib/netifd/offload $(1)/etc/config $(1)/etc/uci-defaults $(1)/etc/sysctl.d
-	$(INSTALL_DATA) ./files/qca-nss-ecm.firewall $(1)/etc/firewall.d/qca-nss-ecm
+	$(INSTALL_DIR) $(1)/etc/init.d $(1)/usr/bin $(1)/lib/netifd/offload $(1)/etc/config $(1)/etc/sysctl.d
 	$(INSTALL_BIN) ./files/qca-nss-ecm.init $(1)/etc/init.d/qca-nss-ecm
 	$(INSTALL_BIN) ./files/ecm_dump.sh $(1)/usr/bin/
 	$(INSTALL_BIN) ./files/on-demand-down $(1)/lib/netifd/offload/on-demand-down
 	$(INSTALL_DATA) ./files/qca-nss-ecm.uci $(1)/etc/config/ecm
-	$(INSTALL_DATA) ./files/qca-nss-ecm.defaults $(1)/etc/uci-defaults/99-qca-nss-ecm
 	$(INSTALL_BIN) ./files/qca-nss-ecm.sysctl $(1)/etc/sysctl.d/qca-nss-ecm.conf
 # ifeq ($(CONFIG_KERNEL_IPQ_MEM_PROFILE),256)
 # 	echo 'net.netfilter.nf_conntrack_max=2048' >> $(1)/etc/sysctl.d/qca-nss-ecm.conf

package/kernel/qca/qca-nss-ecm/files/qca-nss-ecm.defaults

@@ -39,13 +39,6 @@ get_front_end_mode() {
 	esac
 }
 
-support_bridge() {
-	#NSS support bridge acceleration
-	[ -d /sys/kernel/debug/ecm/ecm_nss_ipv4 ] && return 0
-	#SFE doesn't support bridge acceleration
-	[ -d /sys/kernel/debug/ecm/ecm_sfe_ipv4 ] && return 1
-}
-
 load_sfe() {
 	local kernel_version=$(uname -r)
 
@@ -67,17 +60,9 @@ load_ecm() {
 		[ ! -e /proc/device-tree/MP_256 ] && load_sfe
 		insmod ecm front_end_selection=$(get_front_end_mode)
 	}
-
-	support_bridge && {
-		sysctl -w net.bridge.bridge-nf-call-ip6tables=1
-		sysctl -w net.bridge.bridge-nf-call-iptables=1
-	}
 }
 
 unload_ecm() {
-	sysctl -w net.bridge.bridge-nf-call-ip6tables=0
-	sysctl -w net.bridge.bridge-nf-call-iptables=0
-
 	if [ -d /sys/module/ecm ]; then
 		#
 		# Stop ECM frontends
@@ -109,11 +94,6 @@ start() {
 	# If the acceleration engine is NSS, enable wifi redirect.
 	[ -d /sys/kernel/debug/ecm/ecm_nss_ipv4 ] && sysctl -w dev.nss.general.redirect=1
 
-	support_bridge && {
-		echo 'net.bridge.bridge-nf-call-ip6tables=1' >> /etc/sysctl.d/qca-nss-ecm.conf
-		echo 'net.bridge.bridge-nf-call-iptables=1' >> /etc/sysctl.d/qca-nss-ecm.conf
-	}
-
 	if [ -d /sys/module/qca_ovsmgr ]; then
 		insmod ecm_ovs
 	fi
@@ -129,9 +109,6 @@ stop() {
 	# If the acceleration engine is NSS, disable wifi redirect.
 	[ -d /sys/kernel/debug/ecm/ecm_nss_ipv4 ] && sysctl -w dev.nss.general.redirect=0
 
-	sed '/net.bridge.bridge-nf-call-ip6tables=1/d' -i /etc/sysctl.d/qca-nss-ecm.conf
-	sed '/net.bridge.bridge-nf-call-iptables=1/d' -i /etc/sysctl.d/qca-nss-ecm.conf
-
 	if [ -d /sys/module/ecm_ovs ]; then
 		rmmod ecm_ovs
 	fi