treewide: Remove dependency on br_netfilter

Upstream OpenWrt 24.10 and later uses nftables by default.
Bridge filtering is not really needed anymore.

This should also prevent unnecessary chain dependencies getting built
like like `kmod-ipt-ipopt`.

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

qca-mcs/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=qca-mcs
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_URL:=https://git.codelinaro.org/clo/qsdk/oss/lklm/qca-mcs.git
 PKG_SOURCE_DATE:=2024-09-04
@@ -24,8 +24,7 @@ define KernelPackage/qca-mcs
   MAINTAINER:=Qualcomm Atheros, Inc.
   TITLE:=QCA Multicast Snooping Support
   DEPENDS:=+@KERNEL_IPV6_MROUTE +@KERNEL_IP_MROUTE
-  KCONFIG:=CONFIG_NETFILTER=y \
-           CONFIG_BRIDGE_NETFILTER=y
+  KCONFIG:=CONFIG_NETFILTER=y
   FILES:=$(PKG_BUILD_DIR)/qca-mcs.ko
   AUTOLOAD:=$(call AutoLoad,41,qca-mcs)
 endef

qca-nss-clients/Makefile

@@ -468,7 +468,7 @@ define KernelPackage/qca-nss-drv-ovpn-mgr
 	   +kmod-qca-nss-drv \
 	   +@NSS_DRV_QVPN_ENABLE \
 	   +kmod-qca-nss-cfi-cryptoapi \
-	   +kmod-ipt-conntrack \
+	   +kmod-nf-conntrack \
 	   +kmod-tun \
 	   @BROKEN
   FILES:=$(PKG_BUILD_DIR)/openvpn/src/qca-nss-ovpn-mgr.ko

qca-nss-ecm/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=qca-nss-ecm
-PKG_RELEASE:=6
+PKG_RELEASE:=7
 
 PKG_SOURCE_URL:=https://git.codelinaro.org/clo/qsdk/oss/lklm/qca-nss-ecm.git
 PKG_SOURCE_PROTO:=git
@@ -42,9 +42,7 @@ define KernelPackage/qca-nss-ecm
 		   +PACKAGE_kmod-pppoe:kmod-pppol2tp
   TITLE:=QCA NSS Enhanced Connection Manager (ECM)
   FILES:=$(PKG_BUILD_DIR)/ecm.ko
-  KCONFIG:=CONFIG_BRIDGE_NETFILTER=y \
-		   CONFIG_NF_CONNTRACK_EVENTS=y \
-		   CONFIG_NF_CONNTRACK_DSCPREMARK_EXT=y
+  KCONFIG:=CONFIG_NF_CONNTRACK_DSCPREMARK_EXT=y
 endef
 
 define KernelPackage/qca-nss-ecm/Description

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

@@ -29,9 +29,18 @@ sysctl_update() {
   value=${2//\//\\/}
   file=${3:-/etc/sysctl.d/qca-nss-ecm.conf}
 
-  sed -i -e '/^#\?\(\s*'"${name}"'\s*=\s*\).*/{s//\1'"${value}"'/;:a;n;ba;q}' \
-    -e '$a'"${name}"'='"${value}" "${file}"
-  sysctl -w ${name}=${value}
+  if [ -r "/proc/sys/${name//./\/}" ]; then
+    sed -i -e '/^#\?\(\s*'"${name}"'\s*=\s*\).*/{s//\1'"${value}"'/;:a;n;ba;q}' \
+      -e '$a'"${name}"'='"${value}" "${file}"
+    sysctl -w ${name}=${value}
+  else
+    # If the sysctl value is not available but it is found in the file, disable it to avoid
+    # sysctl throwing warnings
+    if grep -qE '^#?\s*'"${name}\s*?=" "${file}"; then
+      sed -i -e '/^#\?\(\s*'"${name}"'\s*=\s*\).*/{s//\#\1'"${value}"'/;:a;n;ba;q}' \
+        -e '$a'"#${name}"'='"${value}" "${file}"
+    fi
+  fi
 }
 
 get_front_end_mode() {

qca-nss-ecm/files/qca-nss-ecm.uci

@@ -2,7 +2,6 @@ config ecm 'global'
 	option acceleration_engine 'auto'
 
 config ecm 'general'
-	option enable_bridge_filtering	'0'
 	option disable_offloads '0'
 	option disable_flow_control '0'
 	option disable_interrupt_moderation '0'