test0r
0768e11da6
bes_chardev.c carried three functions gated behind the
BES2600_WRITE_DPD_TO_FILE Kconfig/make-flag (default off):
- bes2600_chrdev_write_dpd_data_to_file()
filp_open(O_CREAT | O_TRUNC | O_RDWR) + kernel_write()
writing a raw DPD calibration blob back to
BES2600_DPD_PATH (default /data/cfg/bes2600_dpd.bin, an
Android-AOSP path).
- bes2600_chrdev_read_and_check_dpd_data()
filp_open(O_RDONLY) + kernel_read() reading the DPD blob
from either BES2600_DPD_GOLDEN_PATH (/data/cfg/…) or
BES2600_DEFAULT_DPD_PATH (/lib/firmware/bes2600_dpd.bin),
followed by a CRC/version sanity check.
- bes2600_chrdev_dpd_is_vaild() (sic), the CRC/version helper
used only by the read path.
Plus the bes_cdev.no_dpd field, its module_param, and two
intrusion sites in bes2600_chrdev_get_dpd_data() and
bes2600_chrdev_update_dpd_data() that invoke the above.
The Makefile defaults BES2600_WRITE_DPD_TO_FILE=n, so in a stock
build all of this is dead code. It is still a standing upstream
blocker for exactly the same reasons as the factory-txt write
path removed in the preceding patch:
- filp_open() + kernel_read()/kernel_write() bypass the
firmware-class abstraction and LSM-governed access control
that apply to /lib/firmware/.
- The write target /data/cfg/ is an Android AOSP convention
that does not exist on a Linux distribution and cannot be
created by the kernel anyway.
- A runtime DPD re-calibration is intended to reduce TX EVM
after temperature or aging drift; persisting the result via
kernel_write() is fundamentally a userspace concern (debugfs
dump + userspace tool is the expected route).
Remove the entire #ifdef BES2600_WRITE_DPD_TO_FILE block from
bes_chardev.c (including the inner #ifdef inside
bes2600_chrdev_read_and_check_dpd_data() guarding a
DPD_BIN_FILE_SIZE size check that only applied to the read-back-
its-own-write case), the no_dpd field and module_param, and the
two invocation sites. Drop the Kconfig/make-flag and the three
associated PATH macros from the Makefile. Net: -155 lines, no
remaining filp_open/kernel_read/kernel_write anywhere in
bes_chardev.c.
The in-memory DPD state path is unchanged: bes2600_chrdev_get_dpd_
buffer() still allocates a kmalloc'd buffer used by the firmware-
download path, bes2600_chrdev_update_dpd_data() still validates
the buffer's CRC and transitions bes2600_cdev.wait_state on
success, and bes2600_chrdev_free_dpd_data() still releases the
buffer on unload. Only the file-I/O side-channel is removed.
Signed-off-by: Markus Fritsche <fritsche.markus@gmail.com>
219 lines
7.0 KiB
Makefile
219 lines
7.0 KiB
Makefile
KERN_DIR = /lib/modules/$(KERNELRELEASE)/build
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# feature option
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BES2600 ?= m
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CONFIG_BES2600_TESTMODE ?= y
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CONFIG_BES2600_ENABLE_DEVEL_LOGS ?= n
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CONFIG_BES2600_WAPI_SUPPORT ?= n
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CONFIG_BES2600_STA_DEBUG ?= y
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CONFIG_BES2600_STATIC_SDD ?= y
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P2P_MULTIVIF ?= y
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AP_AGGREGATE_FW_FIX ?= y
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CONFIG_BES2600_BT ?= n
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WIFI_BT_COEXIST_EPTA_ENABLE ?= y
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WIFI_BT_COEXIST_EPTA_FDD ?= n
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CONFIG_BES2600_WOWLAN ?= y
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CONFIG_BES2600_LISTEN_INTERVAL ?= 3
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BSS_LOSS_CHECK ?= y
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CONFIG_BES2600_DEBUGFS ?= y
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CONFIG_BES2600_ITP ?= n
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CONFIG_BES2600_NON_POWER_OF_TWO_BLOCKSIZES ?= n
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CONFIG_BES2600_CALIB_FROM_LINUX ?= y
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CONFIG_BES2600_WIFI_BOOT_ON ?= y
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CONFIG_BES2600_BT_BOOT_ON ?= n
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BES2600_GPIO_WAKEUP_AP ?= n
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BES2600_TX_MORE_RETRY ?= n
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# bes evb
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BES2600_INDEPENDENT_EVB ?= n
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# wifi module for allwinner made by bes
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BES2600_INTEGRATED_MODULE_V1 ?= n
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# xiaomi R329 wifi module
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BES2600_INTEGRATED_MODULE_V2 ?= n
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# sicun QM215 wifi module
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BES2600_INTEGRATED_MODULE_V3 ?= n
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# 0: use dynamic_ps_timeout value
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# other: override dynamic_ps_timeout value
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BES2600_FASTPS_IDLE_TIME ?= 8
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#1.rock api(fixed macaddr)
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#2.read from file(macaddr of customers)
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#3.read from file(macaddr template)
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#4.random macaddr
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GET_MAC_ADDR_METHOD ?= 4
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ifeq ($(CONFIG_BES2600_DEBUGFS),y)
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BES2600_DUMP_FW_DPD_LOG ?= n
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endif
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ifeq ($(CONFIG_BES2600_TESTMODE),y)
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CONFIG_BES2600_KEEP_ALIVE ?= n
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ifeq ($(CONFIG_BES2600_KEEP_ALIVE),y)
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ccflags-y += -DVENDOR_XM_KEEPALIVE
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endif
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endif
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BES2600_DRV_VERSION := bes2600_0.3.5_2024.0116
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ifeq ($(CONFIG_BES2600_CALIB_FROM_LINUX),y)
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FACTORY_CRC_CHECK ?= n
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STANDARD_FACTORY_EFUSE_FLAG ?= n
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FACTORY_PATH ?= bes2600/bes2600_factory.txt
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endif
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# basic function
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define boolen_flag
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$(strip $(if $(findstring $($(1)),$(2)),-D$(1)))
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endef
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define string_flag
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$(strip $(if $($(1)),-D$(1)=\"$($(1))\"))
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endef
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define value_flag
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$(strip $(if $($(1)),-D$(1)=$($(1))))
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endef
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ccflags-y += -Werror
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SDIO_HOST_ADMA_SUPPORT ?= y
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ccflags-y += -DCONFIG_BES2600_WLAN_BES
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ccflags-y += -DBES_SDIO_RXTX_TOGGLE
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ccflags-y += -DBES_SDIO_TX_MULTIPLE_ENABLE
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ccflags-y += -DBES_SDIO_RX_MULTIPLE_ENABLE
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ccflags-y += -DBES_UNIFIED_PM
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ccflags-y += -DBES_SDIO_OPTIMIZED_LEN
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ccflags-y += -DBES2600_HOST_TIMESTAMP_DEBUG
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ifeq ($(BES2600_DUMP_FW_DPD_LOG),y)
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BES2600_DPD_LOG_PATH ?= /data/applog/bes2600_dpd_log.log
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endif
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# compilation macros setting
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_VENDOR_CMD,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_STATIC_SDD,y)
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ccflags-y += $(call boolen_flag,P2P_MULTIVIF,y)
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ccflags-y += $(call boolen_flag,AP_AGGREGATE_FW_FIX,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_BT,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_WAPI_SUPPORT,y)
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ccflags-y += $(call boolen_flag,WIFI_BT_COEXIST_EPTA_ENABLE,y)
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ccflags-y += $(call boolen_flag,WIFI_BT_COEXIST_EPTA_FDD,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_DISABLE_BEACON_HINTS,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_NON_POWER_OF_TWO_BLOCKSIZES,y)
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ccflags-y += $(call boolen_flag,BES2600_TX_MORE_RETRY,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_ITP,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_DEBUGFS,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_BH_DEBUG,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_WSM_DEBUG,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_WSM_DUMPS,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_WSM_DUMPS_SHORT,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_TXRX_DEBUG,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_TX_POLICY_DEBUG,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_STA_DEBUG,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_DUMP_ON_ERROR,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_WOWLAN,y)
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ccflags-y += $(call value_flag,CONFIG_BES2600_LISTEN_INTERVAL)
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ccflags-y += $(call value_flag,BES2600_FASTPS_IDLE_TIME)
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ccflags-y += $(call boolen_flag,BSS_LOSS_CHECK,y)
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ccflags-y += $(call string_flag,BES2600_LOAD_FW_TOOL_PATH)
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ccflags-y += $(call string_flag,BES2600_LOAD_FW_TOOL_DEVICE)
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ccflags-y += $(call string_flag,BES2600_DRV_VERSION)
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ccflags-y += $(call boolen_flag,BES2600_INDEPENDENT_EVB,y)
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ccflags-y += $(call boolen_flag,BES2600_INTEGRATED_MODULE_V1,y)
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ccflags-y += $(call boolen_flag,BES2600_INTEGRATED_MODULE_V2,y)
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ccflags-y += $(call boolen_flag,BES2600_INTEGRATED_MODULE_V3,y)
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ccflags-y += $(call boolen_flag,SDIO_HOST_ADMA_SUPPORT,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_TESTMODE,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_KEEP_ALIVE,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_WIFI_BOOT_ON,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_BT_BOOT_ON,y)
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ccflags-y += $(call boolen_flag,CONFIG_BES2600_CALIB_FROM_LINUX,y)
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ccflags-y += $(call value_flag,GET_MAC_ADDR_METHOD)
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ccflags-y += $(call string_flag,PATH_WIFI_MACADDR)
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ccflags-y += $(call string_flag,FACTORY_PATH)
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ccflags-y += $(call string_flag,FACTORY_DEFAULT_PATH)
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ccflags-y += $(call boolen_flag,FACTORY_SAVE_MULTI_PATH,y)
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ccflags-y += $(call boolen_flag,FACTORY_CRC_CHECK,y)
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ccflags-y += $(call boolen_flag,BES2600_GPIO_WAKEUP_AP,y)
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ccflags-y += $(call boolen_flag,BES2600_DUMP_FW_DPD_LOG,y)
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ccflags-y += $(call string_flag,BES2600_DPD_LOG_PATH)
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ccflags-y += $(call boolen_flag,STANDARD_FACTORY_EFUSE_FLAG,y)
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# internal feature options
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ccflags-y += -DAP_HT_CAP_UPDATE
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ccflags-y += -DBES2600_RX_IN_BH
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ccflags-y += -DDCW1260_DETECTION_LOGIC
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# sdd options
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ccflags-y += -DTEST_11B=0
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ccflags-y += -DDPD_CALI=0
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ccflags-y += -DDPD_CALI=0
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ccflags-y += -DALI_CONFG=0
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ccflags-y += -DCHIP_WIFI_ROM_VER=1
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ccflags-y += -DWIFI_OUT_FEM=0
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ccflags-y += -DRF_TX_CONTROL_IO=16
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# stbc rx option
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ccflags-y += -DSTBC_RX_24G=0
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ccflags-y += -DSTBC_RX_5G=0
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#ccflags-y += -DP2P_STA_COEX
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#ccflags-y += -DMCAST_FWDING
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#ccflags-y += -DAP_AGGREGATE_FW_FIX
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# Extra IE for probe response from upper layer is needed in P2P GO
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# For offloading probe response to FW, the extra IE must be included
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# in the probe response template
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#ccflags-y += -DPROBE_RESP_EXTRA_IE
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ccflags-y += -DIPV6_FILTERING
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# basic files for building module
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bes2600-y := \
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fwio.o \
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txrx.o \
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main.o \
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queue.o \
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hwio.o \
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bh.o \
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wsm.o \
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sta.o \
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ap.o \
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scan.o \
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bes_chardev.o \
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tx_loop.o \
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bes_fw.o \
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bes_fw_common.o \
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bes2600_factory.o \
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bes2600_sdio.o
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# compilation files select
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bes2600-$(CONFIG_BES2600_DEBUGFS) += debug.o
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bes2600-$(CONFIG_BES2600_ITP) += itp.o
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bes2600-$(CONFIG_PM) += pm.o
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bes2600-$(CONFIG_BES2600_BT) += bes2600_btusb.o
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bes2600-$(CONFIG_BES2600_TESTMODE) += wifi_testmode_cmd.o
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bes2600-$(WIFI_BT_COEXIST_EPTA_ENABLE) += epta_coex.o epta_request.o
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bes2600-$(CONFIG_BES2600_WOWLAN) += bes_pwr.o
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obj-$(BES2600) += bes2600.o
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all: modules
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modules clean:
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$(MAKE) -C $(KERN_DIR) M=$(shell pwd) $@
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