# Makefile to build the package in openwrt.
# goes into package/ipfw3/Makefile
#
# Edit IPFW_DIR to point to the directory with the sources for ipfw

IPFW_DIR := $(TOPDIR)/../ipfw3

include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=kmod-ipfw3
PKG_RELEASE:=1

# MV is undefined
MV ?= mv

include $(INCLUDE_DIR)/package.mk

#Stuff depending on kernel version
ifeq ($(KERNEL),2.6)

VERS:=2.6
IPFW_MOD:=ipfw_mod.ko
IPFW_SRC_DIR:=M

else

VERS:=openwrt
CFLAGS_WRT:=-DSYSCTL_NODE -DEMULATE_SYSCTL
IPFW_MOD:=ipfw_mod.o
IPFW_SRC_DIR:=SUBDIRS

endif

# Description for the package.
# The names KernelPackage/ipfw3 must match the arguments to the
# call $(eval $(call KernelPackage,ipfw3)) used to build it

define KernelPackage/ipfw3
 SUBMENU:=Other modules
 TITLE:= IPFW and dummynet
 # FILES is what makes up the module, both kernel and userland
 # It must be in the KernelPackage section
 FILES := $(PKG_BUILD_DIR)/dummynet2/$(IPFW_MOD) $(PKG_BUILD_DIR)/ipfw/ipfw
 # AUTOLOAD:=$(call AutoLoad,80,ipfw_mod)
endef

define KernelPackage/ipfw3/description
 This package contains the ipfw and dummynet module
endef

# Standard entries for the openwrt builds: Build/Prepare and Build/Compile
# Remember that commands must start with a tab

# 'prepare' instructions for both kernel and userland
# We copy the entire subtree, then build include_e/ which
# contains empty headers used by the kernel sources.
define Build/Prepare
  # $(warning Preparing ipfw sources)
	mkdir -p $(PKG_BUILD_DIR)
	$(CP) -Rp $(IPFW_DIR)/* $(PKG_BUILD_DIR)/
	(cd $(PKG_BUILD_DIR)/ipfw && $(MAKE) include_e )
	(cd $(PKG_BUILD_DIR)/dummynet2 && $(MAKE) include_e )
endef

define Build/Compile
	# compile the kernel part for openwrt
	$(MAKE) -C "$(LINUX_DIR)" \
		CROSS_COMPILE="$(TARGET_CROSS)" \
		ARCH="$(LINUX_KARCH)" \
		$(IPFW_SRC_DIR)="$(PKG_BUILD_DIR)/dummynet2" \
		VER=$(VERS) modules
	# compile the userland part for openwrt
	$(MAKE) -C $(PKG_BUILD_DIR)/ipfw \
		$(TARGET_CONFIGURE_OPTS) \
		CFLAGS="$(TARGET_CFLAGS) $(CFLAGS_WRT) -I./include_e -I./include -include ../glue.h -DNO_ALTQ -D__BSD_VISIBLE" \
		VER=$(VERS) all
endef

define Package/ipfw3-userland
  SECTION:=utils
  CATEGORY:=Utilities
  TITLE := /sbin/ipfw
  DESCRIPTION := This is the control program for ipfw and dummynet
endef

define Package/ipfw3-userland/install
	$(INSTALL_DIR) $(1) /sbin
endef

# XXX not entirely clear why the install entry for userland works,
# given that /sbin/ipfw is in KernelPackage/ipfw3

$(eval $(call Package,ipfw3-userland))
$(eval $(call KernelPackage,ipfw3))