imx6Q rtl8188etv Android4.3 驱动调试记录

vim kernel_imx/arch/arm/configs/imx6s_{yourdevice}_android_defconfig

CONFIG_CFG80211=y

CONFIG_MAC80211_MESH=y

CONFIG_MAC80211=y

CONFIG_HOSTAP=y

CONFIG_RTL8192CU=y

CONFIG_RTLWIFI=y

CONFIG_RTL8192C_COMMON=y

#CONFIG_RTL8723AS=m

CONFIG_USB_USBNET=y

CONFIG_NET_RADIO=y

vim device/fsl/{yourdevice}/BoardConfig.mk

BOARD_WIFI_VENDOR := realtek

WPA_SUPPLICANT_VERSION := VER_0_8_X

CONFIG_DRIVER_NL80211 := true

BOARD_WPA_SUPPLICANT_DRIVER := NL80211

BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_rtl

BOARD_HOSTAPD_DRIVER := NL80211

BOARD_HOSTAPD_PRIVATE_LIB := lib_driver_cmd_rtl

BOARD_WLAN_DEVICE := rtl8192cu

WIFI_DRIVER_MODULE_NAME := "wlan0"

WIFI_DRIVER_MODULE_PATH := ""

WIFI_DRIVER_MODULE_ARG := ""

WIFI_FIRMWARE_LOADER := ""

WIFI_DRIVER_FW_PATH_STA := ""

WIFI_DRIVER_FW_PATH_AP := ""

WIFI_DRIVER_FW_PATH_P2P := ""

WIFI_DRIVER_FW_PATH_PARAM := ""

CONFIG_CFG80211=y

CONFIG_NL80211_TESTMODE=y

CONFIG_CFG80211_DEFAULT_PS=y

CONFIG_CFG80211_WEXT=y

CONFIG_MAC80211=y

CONFIG_HOSTAP=y

CONFIG_RTL8192CU=m

and found that those are missing

# CONFIG_USB_USBNET is not set

# CONFIG_NET_RADIO is not set

#define CONFIG_IOCTL_CFG80211 1

#ifdef CONFIG_IOCTL_CFG80211

  #define RTW_USE_CFG80211_STA_EVENT /* Indecate new sta asoc through cfg80211_new_sta */

  //#define CONFIG_CFG80211_FORCE_COMPATIBLE_2_6_37_UNDER

  #define CONFIG_DEBUG_CFG80211 1

vim out/target/product/{yourboard}/root/init.rc

or/and (rebuild the whole system):

vim device/fsl/imx6/imx6.mk

mkdir /system/etc/wifi 0770 wifi wifi

chmod 0770 /system/etc/wifi

chmod 0660 /system/etc/wifi/wpa_supplicant.conf

chown wifi wifi /system/etc/wifi/wpa_supplicant.conf

#wpa_supplicant control socket for android wifi.c (android private socket)

mkdir /data/misc/wifi 0770 wifi wifi

mkdir /data/misc/wifi/sockets 0770 wifi wifi

chmod 0770 /data/misc/wifi

chmod 0660 /data/misc/wifi/wpa_supplicant.conf

chown wifi wifi /data/misc/wifi

chown wifi wifi /data/misc/wifi/wpa_supplicant.conf

    setprop wifi.interface wlan0

    setprop wlan.driver.status "ok"

   #setprop wifi.ap.interface wlan0

#and also remove this lines:

#    mkdir /data/system/wpa_supplicant 0771 wifi wifi

#    chmod 0771 /data/system/wpa_supplicant

#    symlink /data/misc/wifi/wpa_supplicant /data/system/wpa_supplicant

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vi  /etc/wifi/ wpa_supplicant.conf ctrl_interface=wlan0（android标准） 改为 
ctrl_interface=DIR=/data/system/wpa_supplicant GROUP=wifi （Unix标准）  
问题三：不能启动supplicant。 
提示： E/WifiStateMachine(442): Failed to start supplicant! 经调试，发现错误发生在： 
android-4.2.2_r1hardware ealtekwlanlibhardware_legacywifiwifi_realtek.c中 wifi_start_supplicant的 
if (p2p_supported && wifi_ifname(SECONDARY) == NULL)  
android-4.2.2_r1externalwpa_supplicant_8wpa_supplicantMakefile中  
#peng-- CFLAGS += -DANDROID -DANDROID_P2P -DREALTEK_WIFI_VENDOR -DCONFIG_ANDROID_4_2_PERSISTENT_IOT 改为 
CFLAGS += -DANDROID -DREALTEK_WIFI_VENDOR -DCONFIG_ANDROID_4_2_PERSISTENT_IOT  
改完后运行logcat提示 
I/wpa_supplicant(1744): Successfully initialized wpa_supplicant ps 可以看到 
1157 1010  0:00 wpa_supplicant -Dwext -iwlan0 -c/data/misc/wifi/wpa_supplicant  
此时运行wpa_cli -p/data/system/wpa_supplicant  -iwlan0 会进入 
Interactive mode > status 
wpa_state=DISCONNECTED address=08:57:00:98:6b:31 
<3>CTRL-EVENT-STATE-CHANGE id=-1 state=0 BSSID=00:00:00:00:00:00 SSID= > scan OK 
<3>CTRL-EVENT-STATE-CHANGE id=-1 state=3 BSSID=00:00:00:00:00:00 SSID= > [   71.550000] ==> rtl8188e_iol_efuse_patch  [   71.825000] RTL871X: nolinked power save leave <3>CTRL-EVENT-SCAN-RESULTS  <3>WPS-AP-AVAILABLE  
<3>CTRL-EVENT-STATE-CHANGE id=-1 state=2 BSSID=00:00:00:00:00:00 SSID= > scan_results 

bssid / frequency / signal level / flags / ssid 
20:dc:e6:b7:74:ec       2437    -63     [WPA2-PSK-CCMP][WPS][ESS]       uthandwriter 
14:75:90:ae:ed:bc       2412    -71     
[WPA-PSK-CCMP][WPA2-PSK-CCMP][WPS][ESS] UCF-TESTP 
04:da:d2:75:f4:10       2412    -71     [WPA2-PSK-CCMP][ESS]    7F-LAN 04:da:d2:75:fc:70       2412    -72     [WPA2-PSK-CCMP][ESS]    7F-LAN bc:f6:85:9f:3a:da       2462    -72     
[WPA-PSK-TKIP+CCMP][WPA2-PSK-TKIP+CCMP][ESS]    zlghserver 
28:e3:47:ad:b4:10       2457    -83     [WPA2-PSK-CCMP][ESS]    360xe5x85x8dxe8xb4xb9WiFi-XG 
1c:fa:68:cd:50:02       2457    -45     [WPS][ESS]      HELLO_TL-WN725N 14:75:90:20:0a:8a       2437    -73     [ESS]   maize  
> add_network 0 
> set_network 0 ssid "HELLO_TL-WN725N" OK 
> set_network 0 key_mgmt NONE  
Or //set_network 0 key_mgmt WPA-PSK //set_network 0 psk '"12345678"' OK 
> select_network 0 OK 
<3>CTRL-EVENT-STATE-CHANGE id=0 state=3 BSSID=00:00:00:00:00:00 SSID=HELLO_TL-WN725N 
> <3>CTRL-EVENT-SCAN-RESULTS  <3>WPS-AP-AVAILABLE  
> [  336.215000] RTL871X: set ssid [HELLO_TL-WN725N] fw_state=0x00000008 [  336.215000] RTL871X: set bssid:1c:fa:68:cd:50:02 [  336.225000] RTL871X: start auth 
[  336.230000] RTL871X: auth success, start assoc [  336.230000] RTL871X: assoc success 
[  336.230000] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [  336.240000] UpdateHalRAMask8188EUsb => mac_id:0, networkType:0x0b, mask:0x000fffff 
[  336.240000]   ==> rssi_level:0, rate_bitmap:0x000ff005 
<3>Trying to associate with 1c:fa:68:cd:50:02 (SSID='HELLO_TL-WN725N' freq=2457 MHz) 
<3>CTRL-EVENT-STATE-CHANGE id=0 state=5 BSSID=00:00:00:00:00:00 SSID=HELLO_TL-WN725N 
<3>CTRL-EVENT-STATE-CHANGE id=0 state=6 BSSID=00:00:00:00:00:00 SSID=HELLO_TL-WN725N 
<3>Associated with 1c:fa:68:cd:50:02 

<3>CTRL-EVENT-CONNECTED - Connection to 1c:fa:68:cd:50:02 completed (auth) [id=0 id_str=] 
<3>CTRL-EVENT-STATE-CHANGE id=0 state=9 BSSID=1c:fa:68:cd:50:02 SSID=HELLO_TL-WN725N >save 
OK //测试会在data/misc/wifi/ 生成wpa_supplicant.conf >quit  
UT@utcooker:/data # dhcpcd wlan0                                                … 
dhcpcd[1358]: wlan0: NAK: from 192.168.1.1 
dhcpcd[1358]: wlan0: sending IPv6 Router Solicitation dhcpcd[1358]: wlan0: broadcasting for a lease 
dhcpcd[1358]: wlan0: offered 0.0.0.1 from 192.168.1.101 
dhcpcd[1358]: wlan0: acknowledged 0.0.0.1 from 192.168.1.101 UT@utcooker:/data/misc/wifi # ping 192.168.1.1 PING 192.168.1.1 (192.168.1.1): 56 data bytes 
64 bytes from 192.168.1.1: seq=0 ttl=64 time=3.437 ms 64 bytes from 192.168.1.1: seq=1 ttl=64 time=1.351 ms  
问题四：不能connect supplicant。 
提示：Supplicant not running, cannot connect 
E/WifiStateMachine(442): Failed to setup control channel, restart supplicant 此时ps能看到wpa_supplicant在运行 Wpa_cli操作配置网络正常。 
Android界面Setting能打开但无法搜索Wifi。 经调试： 
在android-4.2.2_r1hardware ealtekwlanlibhardware_legacywifiwifi_realtek.c中 
if (property_get(supplicant_prop_name, supp_status, NULL)             && strcmp(supp_status, "running") == 0) {         return 0; 
} 
检查得知wpa_supplicant服务正在运行 UT@utcooker:/data/misc/wifi #  
getprop init.svc.wpa_supplicant Running 故修改： 
static const char SUPPLICANT_NAME[]     = "rtw_suppl"; /* without p2p concurrent */ 
static const char SUPP_PROP_NAME[]      = "init.svc.%s"; 为： 
static const char SUPPLICANT_NAME[]     = "wpa_supplicant"; /* peng  add */ 

static const char SUPP_PROP_NAME[]      = "init.svc.wpa_supplicant";//peng add  
此时能搜索wifi，有以下信息  
01-01 13:03:08.305: D/WifiStateMachine(376): setWifiState: enabled 
 
问题五：Setting不能连接wifi 
提示：nl80211: Failed to set interface 6 to mode 2: -19 
wpa_supplicant -Dnl80211 -iwlan0 -c/data/misc/wifi/wpa_suppplicant.conf -dd –B 此时使用nl80211方式启动wpa_supplicant时出现如下错误：  
01-01 12:31:39.660: W/wpa_supplicant(2099): ======>UT:wpa_driver_nl80211_set_mode 
01-01 12:31:39.660: D/wpa_supplicant(2099): nl80211: Set mode ifindex 6 iftype 2 (STATION) 
01-01 12:31:39.660: W/wpa_supplicant(2099): nl80211: nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE); 
01-01 12:31:39.660: W/wpa_supplicant(2099): nl80211: send_and_recv_msgs ret=-19 
01-01 12:31:39.660: D/wpa_supplicant(2099): nl80211: Failed to set interface 6 to mode 2: -19 (No such device) 
01-01 12:31:39.660: W/wpa_supplicant(2099): ======>UT:if (res == -ENODEV) 01-01 12:31:39.660: W/wpa_supplicant(2099): UT:wpa_driver_nl80211_set_mode, res == -ENODEV 
01-01 12:31:39.660: E/wpa_supplicant(2099): wlan0: Failed to initialize driver 
interface01-01 12:31:39.660: D/wpa_supplicant(2099): nl80211: Failed to set interface 6 to mode 2: -19 (No such device) 
程序执行到send_and_recv_msgs时出错，经测试发现调用的为wpa_supplicant自身的函数，而
hardware ealtekwlanwpa_supplicant_8_libdriver_cmd_nl80211.c中也有 send_and_recv_msgs函数。 
而在BoardConfigCommon.mk中，有 
BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_rtl external/wpa_supplicant_ /wpa_supplicant/Android.mk中有: 
LOCAL_STATIC_LIBRARIES += $(BOARD_WPA_SUPPLICANT_PRIVATE_LIB) 在/vendor/friendly-arm/exynos4412/prebuilt/Android.mk有： $(call 
add-friendlyarm-file,$(BOARD_WPA_SUPPLICANT_PRIVATE_LIB).a,STATIC_LIBRARIES) 而vendorfriendly-armexynos4412prebuilt目录下有lib_driver_cmd_fanl.a 原有BoardConfigCommon.mk中，有 
BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_fanl 把vendor/friendly-arm/exynos4412/prebuilt/Android.mk有： 

$(call 
add-friendlyarm-file,$(BOARD_WPA_SUPPLICANT_PRIVATE_LIB).a,STATIC_LIBRARIES) 改为 
$(call add-friendlyarm-file, lib_driver_cmd_fanl.a,STATIC_LIBRARIES) 此时重新生成编译烧写内核。就可以在Setting界面配置连接wifi。  
正常使用，去除多余调试信息。 
RTL8188EUS_new_4.1.7driver tl8188EUS_rtl8189ES_linux_v4.1.7_9024.20130916halOUTSRCodm_debug.c ：  pDM_Odm->DebugLevel    =  ODM_DBG_TRACE; 打印等级改为 
pDM_Odm->DebugLevel    =  ODM_DBG_WARNING;  
RTL8188EUS_new_4.1.7driver tl8188EUS_rtl8189ES_linux_v4.1.7_9024.20130916autoconf_rtl8188e_usb_linux.h中  
//peng-- #define DBG 1 
//peng--  #define CONFIG_DEBUG  
//peng--  #define CONFIG_DEBUG_RTL871X   
wpa_supplicant –Dnl80211 -iwlan0 -c/data/misc/wifi/wpa_supplicant.conf -dd -B

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