#
# Copyright (C) 2007-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

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

PKG_NAME:=mac80211

PKG_VERSION:=4.19.189-1
PKG_RELEASE:=1
PKG_SOURCE_URL:=@KERNEL/linux/kernel/projects/backports/stable/v4.19.189/
PKG_HASH:=34a53f743b43cbb25c8e665c3932d8cdd79aa3c081b9e573fae63b5a7407422c

PKG_SOURCE:=backports-$(PKG_VERSION).tar.xz
PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/backports-$(PKG_VERSION)
PKG_BUILD_PARALLEL:=1

PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>

PKG_DRIVERS = \
	adm8211 \
	lib80211 \
	mac80211-hwsim


PKG_CONFIG_DEPENDS:= \
	CONFIG_PACKAGE_kmod-mac80211 \
	CONFIG_PACKAGE_MAC80211_DEBUGFS \
	CONFIG_PACKAGE_MAC80211_MESH \
	CONFIG_PACKAGE_MAC80211_TRACING \
	CONFIG_PACKAGE_IWLWIFI_DEBUG \
	CONFIG_PACKAGE_IWLWIFI_DEBUGFS \
	CONFIG_PACKAGE_RTLWIFI_DEBUG \

include $(INCLUDE_DIR)/package.mk

WMENU:=Wireless Drivers

define KernelPackage/mac80211/Default
  SUBMENU:=$(WMENU)
  URL:=https://wireless.wiki.kernel.org/
  MAINTAINER:=Felix Fietkau <nbd@nbd.name>
endef

config_package=$(if $(CONFIG_PACKAGE_kmod-$(1)),m)

config-y:= \
	WLAN \
	NL80211_TESTMODE \
	CFG80211_WEXT \
	CFG80211_CERTIFICATION_ONUS \
	MAC80211_RC_MINSTREL \
	MAC80211_RC_MINSTREL_HT \
	MAC80211_RC_MINSTREL_VHT \
	MAC80211_RC_DEFAULT_MINSTREL \
	WLAN_VENDOR_ADMTEK \
	WLAN_VENDOR_ATH \
	WLAN_VENDOR_ATMEL \
	WLAN_VENDOR_BROADCOM \
	WLAN_VENDOR_CISCO \
	WLAN_VENDOR_INTEL \
	WLAN_VENDOR_INTERSIL \
	WLAN_VENDOR_MARVELL \
	WLAN_VENDOR_MEDIATEK \
	WLAN_VENDOR_RALINK \
	WLAN_VENDOR_REALTEK \
	WLAN_VENDOR_RSI \
	WLAN_VENDOR_ST \
	WLAN_VENDOR_TI \
	WLAN_VENDOR_ZYDAS \

config-$(call config_package,cfg80211) += CFG80211

config-$(call config_package,mac80211) += MAC80211
config-$(CONFIG_PACKAGE_MAC80211_MESH) += MAC80211_MESH

include ath.mk

PKG_CONFIG_DEPENDS += \
	$(patsubst %,CONFIG_PACKAGE_kmod-%,$(PKG_DRIVERS))

define KernelPackage/cfg80211
  $(call KernelPackage/mac80211/Default)
  TITLE:=cfg80211 - wireless configuration API
  DEPENDS+= +iw +wireless-regdb
  ABI_VERSION:=$(PKG_VERSION)-$(PKG_RELEASE)
  FILES:= \
	$(PKG_BUILD_DIR)/compat/compat.ko \
	$(PKG_BUILD_DIR)/net/wireless/cfg80211.ko
endef

define KernelPackage/cfg80211/description
cfg80211 is the Linux wireless LAN (802.11) configuration API.
endef

define KernelPackage/mac80211
  $(call KernelPackage/mac80211/Default)
  TITLE:=Linux 802.11 Wireless Networking Stack
  # +kmod-crypto-cmac is a runtime only dependency of net/mac80211/aes_cmac.c
  DEPENDS+= +kmod-cfg80211 +hostapd-common
  KCONFIG:=\
	CONFIG_AVERAGE=y
  FILES:= $(PKG_BUILD_DIR)/net/mac80211/mac80211.ko
  ABI_VERSION:=$(PKG_VERSION)-$(PKG_RELEASE)
  MENU:=1
endef

define KernelPackage/mac80211/config
  if PACKAGE_kmod-mac80211

	config PACKAGE_MAC80211_DEBUGFS
		bool "Export mac80211 internals in DebugFS"
		select KERNEL_DEBUG_FS
		default y
		help
		  Select this to see extensive information about
		  the internal state of mac80211 in debugfs.

	config PACKAGE_MAC80211_TRACING
		bool "Enable tracing (mac80211 and supported drivers)"
		select KERNEL_FTRACE
		select KERNEL_ENABLE_DEFAULT_TRACERS
		default n
		help
		  Select this to enable tracing of mac80211 and
		  related wifi drivers (using trace-cmd).

	config PACKAGE_MAC80211_MESH
		bool "Enable 802.11s mesh support"
		default y

  endif
endef

define KernelPackage/mac80211/description
Generic IEEE 802.11 Networking Stack (mac80211)
endef

define KernelPackage/adm8211
  $(call KernelPackage/mac80211/Default)
  TITLE:=ADMTek 8211 support
  DEPENDS+=@PCI_SUPPORT +kmod-mac80211 +kmod-eeprom-93cx6
  FILES:=$(PKG_BUILD_DIR)/drivers/net/wireless/admtek/adm8211.ko
  AUTOLOAD:=$(call AutoProbe,adm8211)
endef












define KernelPackage/lib80211
  $(call KernelPackage/mac80211/Default)
  TITLE:=802.11 Networking stack
  DEPENDS:=+kmod-cfg80211 +kmod-crypto-hash
  FILES:= \
	$(PKG_BUILD_DIR)/net/wireless/lib80211.ko \
	$(PKG_BUILD_DIR)/net/wireless/lib80211_crypt_wep.ko \
	$(PKG_BUILD_DIR)/net/wireless/lib80211_crypt_ccmp.ko \
	$(PKG_BUILD_DIR)/net/wireless/lib80211_crypt_tkip.ko
  AUTOLOAD:=$(call AutoProbe, \
	lib80211 \
	lib80211_crypt_wep \
	lib80211_crypt_ccmp \
	lib80211_crypt_tkip \
  )
endef

define KernelPackage/lib80211/description
 Kernel modules for 802.11 Networking stack
 Includes:
 - lib80211
 - lib80211_crypt_wep
 - lib80211_crypt_tkip
 - lib80211_crytp_ccmp
endef


define KernelPackage/mac80211-hwsim
  $(call KernelPackage/mac80211/Default)
  TITLE:=mac80211 HW simulation device
  DEPENDS+= +kmod-mac80211 +@DRIVER_11AC_SUPPORT +@DRIVER_11N_SUPPORT +@DRIVER_11W_SUPPORT
  FILES:=$(PKG_BUILD_DIR)/drivers/net/wireless/mac80211_hwsim.ko
  AUTOLOAD:=$(call AutoProbe,mac80211_hwsim)
endef

ifdef CONFIG_PACKAGE_MAC80211_DEBUGFS
  config-y += \
	CFG80211_DEBUGFS \
	MAC80211_DEBUGFS
endif

ifdef CONFIG_PACKAGE_MAC80211_TRACING
  config-y += \
	IWLWIFI_DEVICE_TRACING
endif

config-$(call config_package,lib80211) += LIB80211 LIB80211_CRYPT_WEP LIB80211_CRYPT_CCMP LIB80211_CRYPT_TKIP


config-$(call config_package,mac80211-hwsim) += MAC80211_HWSIM



config-$(call config_package,adm8211) += ADM8211
config-$(call config_package,rsi91x) += RSI_91X
config-$(call config_package,rsi91x-usb) += RSI_USB
config-$(call config_package,rsi91x-sdio) += RSI_SDIO

config-$(CONFIG_LEDS_TRIGGERS) += MAC80211_LEDS

MAKE_OPTS:= -C "$(PKG_BUILD_DIR)" \
	$(KERNEL_MAKE_FLAGS) \
	EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/include $(IREMAP_CFLAGS)" \
	KLIB_BUILD="$(LINUX_DIR)" \
	MODPROBE=true \
	KLIB=$(TARGET_MODULES_DIR) \
	KERNEL_SUBLEVEL=$(lastword $(subst ., ,$(KERNEL_PATCHVER))) \
	KBUILD_LDFLAGS_MODULE_PREREQ=

define ConfigVars
$(subst $(space),,$(foreach opt,$(config-$(1)),CPTCFG_$(opt)=$(1)
))
endef

define mac80211_config
$(call ConfigVars,m)$(call ConfigVars,y)
endef
$(eval $(call shexport,mac80211_config))

define Build/Prepare
	rm -rf $(PKG_BUILD_DIR)
	mkdir -p $(PKG_BUILD_DIR)
	$(PKG_UNPACK)
	$(Build/Patch)
	rm -rf \
		$(PKG_BUILD_DIR)/include/linux/ssb \
		$(PKG_BUILD_DIR)/include/linux/bcma \
		$(PKG_BUILD_DIR)/include/net/bluetooth

	rm -f \
		$(PKG_BUILD_DIR)/include/linux/cordic.h \
		$(PKG_BUILD_DIR)/include/linux/crc8.h \
		$(PKG_BUILD_DIR)/include/linux/eeprom_93cx6.h \
		$(PKG_BUILD_DIR)/include/linux/wl12xx.h \
		$(PKG_BUILD_DIR)/include/linux/spi/libertas_spi.h \
		$(PKG_BUILD_DIR)/include/net/ieee80211.h \
		$(PKG_BUILD_DIR)/backport-include/linux/bcm47xx_nvram.h

	echo 'compat-wireless-$(PKG_VERSION)-$(PKG_RELEASE)-$(REVISION)' > $(PKG_BUILD_DIR)/compat_version
endef

ifneq ($(CONFIG_PACKAGE_kmod-cfg80211)$(CONFIG_PACKAGE_kmod-lib80211),)
 define Build/Compile/kmod
	rm -rf $(PKG_BUILD_DIR)/modules
	+$(MAKE) $(PKG_JOBS) $(MAKE_OPTS) modules
 endef
endif

#do not Build/Configure for EXTERNAL KERNEL
ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
  ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
    define Build/Configure
	  cmp $(PKG_BUILD_DIR)/include/linux/ath9k_platform.h $(LINUX_DIR)/include/linux/ath9k_platform.h
	  cmp $(PKG_BUILD_DIR)/include/linux/ath5k_platform.h $(LINUX_DIR)/include/linux/ath5k_platform.h
	  cmp $(PKG_BUILD_DIR)/include/linux/rt2x00_platform.h $(LINUX_DIR)/include/linux/rt2x00_platform.h
    endef
  endif
endif

define Build/Patch
	$(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/build,build/)
	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/subsys,subsys/)
	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath,ath/)
	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/rt2x00,rt2x00/)
	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/mwl,mwl/)
	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/brcm,brcm/)
	$(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
endef

define Quilt/Refresh/Package
	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/build,build/)
	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/subsys,subsys/)
	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath,ath/)
	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/rt2x00,rt2x00/)
	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/mwl,mwl/)
	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/brcm,brcm/)
endef

define Build/Compile
	$(SH_FUNC) var2file "$(call shvar,mac80211_config)" $(PKG_BUILD_DIR)/.config
	$(MAKE) $(MAKE_OPTS) allnoconfig
	$(call Build/Compile/kmod)
endef

define Build/InstallDev
	mkdir -p \
		$(1)/usr/include/mac80211 \
		$(1)/usr/include/mac80211-backport \
		$(1)/usr/include/mac80211/ath \
		$(1)/usr/include/net/mac80211
	$(CP) $(PKG_BUILD_DIR)/net/mac80211/*.h $(PKG_BUILD_DIR)/include/* $(1)/usr/include/mac80211/
	$(CP) $(PKG_BUILD_DIR)/backport-include/* $(1)/usr/include/mac80211-backport/
	$(CP) $(PKG_BUILD_DIR)/net/mac80211/rate.h $(1)/usr/include/net/mac80211/
	$(CP) $(PKG_BUILD_DIR)/drivers/net/wireless/ath/*.h $(1)/usr/include/mac80211/ath/
	rm -f $(1)/usr/include/mac80211-backport/linux/module.h
endef



define KernelPackage/cfg80211/install
	$(INSTALL_DIR) $(1)/lib/wifi $(1)/lib/netifd/wireless
	$(INSTALL_DATA) ./files/lib/wifi/mac80211.sh $(1)/lib/wifi
	$(INSTALL_BIN) ./files/lib/netifd/wireless/mac80211.sh $(1)/lib/netifd/wireless
	$(INSTALL_DIR) $(1)/etc/hotplug.d/ieee80211
	$(INSTALL_DATA) ./files/mac80211.hotplug $(1)/etc/hotplug.d/ieee80211/10-wifi-detect
endef


$(eval $(foreach drv,$(PKG_DRIVERS),$(call KernelPackage,$(drv))))
$(eval $(call KernelPackage,cfg80211))
$(eval $(call KernelPackage,mac80211))