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

IPFW_DIR := $(TOPDIR)/../qemu-misc/ipfw3

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

PKG_NAME:=ipfw3
PKG_RELEASE:=1

# MV is undefined, we use it in the internal Makefiles
MV ?= mv

include $(INCLUDE_DIR)/package.mk

#Stuff depending on kernel version
$(warning --- openwrt kernel version $(KERNEL) linux dir $(LINUX_DIR) -------)

ifeq ($(KERNEL),2.4)
    VERS:=openwrt
    CFLAGS_WRT:=-DSYSCTL_NODE -DEMULATE_SYSCTL
    IPFW_MOD:=ipfw_mod.o
    IPFW_SRC_DIR:=SUBDIRS
else
    #VERS:=2.6
    IPFW_MOD:=ipfw_mod.ko
    IPFW_SRC_DIR:=M
endif

define Package/ipfw3
  SECTION:=utils
  CATEGORY:=Utilities
  TITLE := /sbin/ipfw
  DEPENDS := +libc +libgcc
  FILES := $(PKG_BUILD_DIR)/ipfw/ipfw
  $(warning --- build dir is $(PKG_BUILD_DIR) ---)
endef

define Package/ipfw3/description
  Control program for ipfw and dummynet
endef

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

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

# 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 XXX
  FILES := $(PKG_BUILD_DIR)/kipfw-mod/$(IPFW_MOD)
  # AUTOLOAD:=$(call AutoLoad,80,ipfw_mod)
endef

define KernelPackage/kmod-ipfw3/description
  ipfw and dummynet kernel 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)/
	# The kernel sources are spread in multiple places,
	# so we put everything in kipfw-mod
	mkdir -p $(PKG_BUILD_DIR)/kipfw-mod
	cp -Rp $(IPFW_DIR)/kipfw/* $(PKG_BUILD_DIR)/kipfw-mod
	cp `find $(IPFW_DIR)/sys -name \*.c` $(PKG_BUILD_DIR)/kipfw-mod
	# we do not need cross parameters
	(cd $(PKG_BUILD_DIR)/ipfw && $(MAKE) include_e )
	(cd $(PKG_BUILD_DIR)/kipfw-mod && $(MAKE) include_e )
endef

define Build/Compile
	# XXX check whether we need all linux_dir etc.
	$(warning --- compile the user part for ipfw/openwrt ---)
	$(MAKE) -C $(PKG_BUILD_DIR)/ipfw \
		LINUX_DIR=$(LINUX_DIR) \
		$(TARGET_CONFIGURE_OPTS) \
		CFLAGS="$(TARGET_CFLAGS) $(CFLAGS_WRT) -I./include_e -I./include -include ../glue.h -DNO_ALTQ -D__BSD_VISIBLE" \
		_VER=$(VERS) all
	$(warning --- compile the kernel part for ipfw/openwrt ---)
	$(MAKE) -C "$(LINUX_DIR)" \
		CROSS_COMPILE="$(TARGET_CROSS)" \
		LINUX_DIR=$(LINUX_DIR) \
		KERNELPATH=$(LINUX_DIR) \
		ARCH="$(LINUX_KARCH)" \
		$(IPFW_SRC_DIR)="$(PKG_BUILD_DIR)/kipfw-mod" \
		IPFW3_ROOT="$(PKG_BUILD_DIR)" \
		_VER=$(VERS) modules
	$(warning +++ done compile the kernel part for ipfw/openwrt ---)
endef


$(eval $(call BuildPackage,ipfw3))
$(eval $(call KernelPackage,ipfw3))