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lubing521  发布于  2015-01-13 22:56:29
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嵌入式linux usb wifi驱动移植

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Wifi
 

[i=s] 本帖最后由 lubing521 于 2015-1-14 22:00 编辑 [/i]

这个文档躺在我的电脑很久了，以前做的一个usb wifi的移植。简单记录了下过程。

或许对某些人有帮助。此文档被我挂在百度文库过，现在也放在这里分享下。 详情请查看附件。 [attach]2153[/attach]

文档名称：嵌入式linux usb wifi驱动移植

版本历史 版本号 时间 内容 v1.0b001 2012-6-18 初始版本，介绍在嵌入式linux方面如何移植usb wifi相关

                嵌入式linux usb wifi移植参考文档

■ 硬件平台：realARM 6410 ■ 操作系统：fedora kernel 2.6.33.3-85.fc13.i686.PAE ■ 交叉编译器：arm-none-linux-gnueabi gcc version 4.3.2 ■ WIFI模组：磊科NW336 芯片 realtek 8188cus

【前提 linux系统可以在板子上正常运行】

  1. 调试步骤 移植usb wifi首先确定板子上的USB Host功能正常运行，进入内核配置界面，如下图进行配置。

Fig1.0linux kernel 2.6.36打开USB HOST界面 从新编译内核后启动开发板，并插入U盘后，通过mount命令进行U盘加载 Mount /dev/sdb1 /mnt/ Cd /mnt/ Ls 得到下图Fig1.1结果

Fig 1.1 mount U盘成功

2.下载磊科 USB WIFI 对应芯片驱动realtek8188cus，从官网下载linux驱动 [code] http://www.realtek.com/downloads/downloadsView.aspx?Langid=3&PNid=48&PFid=48&Level=5&Conn=4&DownTypeID=3&GetDown=false&Downloads=true#RTL8192CU

拷贝并解压得到以下目录 [root@localhost RTL8188C_8192C_8192D_USB_linux_v3.4.2_3727.20120404]# tree -d . |-- android_reference_codes |-- android_reference_codes_ICS_nl80211 |-- document |-- driver | -- rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404 | |-- core | |-- efuse | |-- hal | | |-- rtl8192c | | | -- usb | |-- rtl8192d | | -- usb | |-- include | |-- byteorder | -- os_dep |-- linux |-- hardware_wps_pbc |-- WiFi_Direct_User_Interface |-- wireless_tools | -- wireless_tools.30.rtl | |-- cs | |-- fr.ISO8859-1 |-- fr.UTF-8 -- wpa_supplicant_hostapd -- wpa_supplicant_hostapd-0.8 |-- hostapd | -- logwatch |-- patches |-- src | |-- ap | |-- common | |-- crypto | |-- drivers | |-- eap_common | |-- eapol_auth | |-- eapol_supp | |-- eap_peer | |-- eap_server | |-- l2_packet | |-- p2p | |-- radius | |-- rsn_supp | |-- tls | |-- utils |-- wps -- wpa_supplicant |-- dbus |-- doc |-- docbook |-- examples |-- symbian |-- tests |-- vs2005 | |-- eapol_test | |-- win_if_list | |-- wpa_cli | |-- wpa_passphrase | |-- wpa_supplicant | -- wpasvc |-- wpa_gui |-- wpa_gui-qt4 | |-- icons |-- lang -- xcode -- wpa_supplicant.xcodeproj [/code] 65 directories [root@localhost RTL8188C_8192C_8192D_USB_linux_v3.4.2_3727.20120404]# cd driver/ 进入driver目录并解压rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404.tar.gz文件 在改目录下找到文件Makefile并作出相应的修改，因为默认情况下是PC平台x86结构的 /home/s3c6410/s3c6410/driver/RTL8188C_8192C_8192D_USB_linux_v3.4.2_3727.20120404/driver/rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404

Fig 1.2 将s3c6410平台从n改为y

Fig1.3根据自身linux开发环境做修改

在driver目录修改完Makefile后，执行make指令。不出意外将顺利完成编译必应从2.6.34内核到2.6.36内核驱动中涉及到的结构体变动比较小！如果内核跨度大的有可能出现结构体不一致而不得不修改源码。 [root@localhost rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404]# ls 8192cu.ko 8192cu.mod.o autoconf_rtl8192c_usb_linux.h clean hal include make_drv modules.order os_dep 8192cu.mod.c 8192cu.o autoconf_rtl8192d_usb_linux.h core ifcfg-wlan0 Kconfig Makefile Module.symvers wlan0dhcp [root@localhost rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404]# 其中8192cu.ko 将是我们需要的驱动模块文件

下载内核，启动开发板： U-Boot 1.1.6 (Mar 3 2010 - 20:17:49) for SMDK6410

CPU: S3C6410@800MHz Fclk = 800MHz, Hclk = 133MHz, Pclk = 66MHz, Serial = CLKUART (SYNC Mode) Board: SMDK6410 DRAM: 256 MB Flash: 0 kB NAND: Maf. ID is d3 1024 MB In: serial Out: serial Err: serial Hit any key to stop autoboot: 0 SMDK6410 # SMDK6410 # SMDK6410 # ping 192.168.1.247 dm9000 i/o: 0x18000300, id: 0x90000a46 MAC: 00:22:12:34:56:90 operating at 100M full duplex mode host 192.168.1.247 is alive SMDK6410 # tftp c0008000 zImage dm9000 i/o: 0x18000300, id: 0x90000a46 MAC: 00:22:12:34:56:90 operating at 100M full duplex mode TFTP from server 192.168.1.247; our IP address is 192.168.1.20 Filename 'zImage'. Load address: 0xc0008000 Loading: ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# #################################### done Bytes transferred = 5508324 (540ce4 hex) SMDK6410 #bootm c0008000 Boot with zImage

Starting kernel ...

Uncompressing Linux... done, booting the kernel. Linux version 2.6.36-Xtramus ([email]root@localhost.localdomain[/email]) (gcc version 4.3.2 (Sourcery G++ Lite 2008q3-72) ) #624 PREEMPT Fri Jun 15 16:56:22 CST 2012 CPU: ARMv6-compatible processor [410fb766] revision 6 (ARMv7), cr=00c5387f CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache Machine: XTRAMUS6410 Memory policy: ECC disabled, Data cache writeback CPU S3C6410 (id 0x36410101) S3C24XX Clocks, Copyright 2004 Simtec Electronics camera: no parent clock specified S3C64XX: PLL settings, A=800000000, M=532000000, E=24000000 S3C64XX: HCLK2=266666666, HCLK=133333333, PCLK=66666666 mout_apll: source is fout_apll (1), rate is 800000000 mout_epll: source is epll (1), rate is 24000000 mout_mpll: source is mpll (1), rate is 532000000 mmc_bus: source is mout_epll (0), rate is 24000000 mmc_bus: source is mout_epll (0), rate is 24000000 mmc_bus: source is mout_epll (0), rate is 24000000 usb-bus-host: source is clk_48m (0), rate is 48000000 uclk1: source is dout_mpll (1), rate is 66500000 spi-bus: source is mout_epll (0), rate is 24000000 spi-bus: source is mout_epll (0), rate is 24000000 audio-bus: source is mout_epll (0), rate is 24000000 audio-bus: source is mout_epll (0), rate is 24000000 audio-bus: source is mout_epll (0), rate is 24000000 irda-bus: source is mout_epll (0), rate is 24000000 camera: no parent clock specified Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024 Kernel command line: noinitrd root=dev/mtdblock0 console=ttySAC0,115200 init/linuxrc mem=256M PID hash table entries: 1024 (order: 0, 4096 bytes) Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) Memory: 256MB = 256MB total Memory: 252116k/252116k available, 10028k reserved, 0K highmem Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) DMA : 0xff600000 - 0xffe00000 ( 8 MB) vmalloc : 0xd0800000 - 0xe0000000 ( 248 MB) lowmem : 0xc0000000 - 0xd0000000 ( 256 MB) modules : 0xbf000000 - 0xc0000000 ( 16 MB) .init : 0xc0008000 - 0xc0363000 (3436 kB) .text : 0xc0363000 - 0xc0717000 (3792 kB) .data : 0xc0736000 - 0xc07596a0 ( 142 kB) SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 Hierarchical RCU implementation. RCU-based detection of stalled CPUs is disabled. Verbose stalled-CPUs detection is disabled. NR_IRQS:246 VIC @f4000000: id 0x00041192, vendor 0x41 VIC @f4010000: id 0x00041192, vendor 0x41 Console: colour dummy device 80x30 console [ttySAC0] enabled Calibrating delay loop... 799.53 BogoMIPS (lpj=3997696) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok NET: Registered protocol family 16 s3c64xx_dma_init: Registering DMA channels s3c64xx_dma_init1: registering DMA 0 (d0808100) s3c64xx_dma_init1: registering DMA 1 (d0808120) s3c64xx_dma_init1: registering DMA 2 (d0808140) s3c64xx_dma_init1: registering DMA 3 (d0808160) s3c64xx_dma_init1: registering DMA 4 (d0808180) s3c64xx_dma_init1: registering DMA 5 (d08081a0) s3c64xx_dma_init1: registering DMA 6 (d08081c0) s3c64xx_dma_init1: registering DMA 7 (d08081e0) PL080: IRQ 73, at d0808000 s3c64xx_dma_init1: registering DMA 8 (d080c100) s3c64xx_dma_init1: registering DMA 9 (d080c120) s3c64xx_dma_init1: registering DMA 10 (d080c140) s3c64xx_dma_init1: registering DMA 11 (d080c160) s3c64xx_dma_init1: registering DMA 12 (d080c180) s3c64xx_dma_init1: registering DMA 13 (d080c1a0) s3c64xx_dma_init1: registering DMA 14 (d080c1c0) s3c64xx_dma_init1: registering DMA 15 (d080c1e0) PL080: IRQ 74, at d080c000 S3C6410: Initialising architecture bio: create slab at 0 SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb s3c-i2c s3c2440-i2c: slave address 0x10 s3c-i2c s3c2440-i2c: bus frequency set to 65 KHz s3c-i2c s3c2440-i2c: i2c-0: S3C I2C adapter NET: Registered protocol family 2 IP route cache hash table entries: 2048 (order: 1, 8192 bytes) TCP established hash table entries: 8192 (order: 4, 65536 bytes) TCP bind hash table entries: 8192 (order: 3, 32768 bytes) TCP: Hash tables configured (established 8192 bind 8192) TCP reno registered UDP hash table entries: 256 (order: 0, 4096 bytes) UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) NET: Registered protocol family 1 RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. NetWinder Floating Point Emulator V0.97 (extended precision) squashfs: version 4.0 (2009/01/31) Phillip Lougher ROMFS MTD (C) 2007 Red Hat, Inc. msgmni has been set to 492 io scheduler noop registered (default) s3c6400-uart.0: s3c2410_serial0 at MMIO 0x7f005000 (irq = 16) is a S3C6400/10 s3c6400-uart.1: s3c2410_serial1 at MMIO 0x7f005400 (irq = 20) is a S3C6400/10 s3c6400-uart.2: s3c2410_serial2 at MMIO 0x7f005800 (irq = 24) is a S3C6400/10 s3c6400-uart.3: s3c2410_serial3 at MMIO 0x7f005c00 (irq = 28) is a S3C6400/10 loop: module loaded S3C24XX NAND Driver, (c) 2004 Simtec Electronics S3C NAND Driver, (c) 2008 Samsung Electronics S3C NAND Driver is using hardware ECC. NAND device: Manufacturer ID: 0xec, Chip ID: 0xd3 (Samsung NAND 1GiB 3,3V 8-bit) Creating 3 MTD partitions on "NAND 1GiB 3,3V 8-bit": 0x000000000000-0x000000040000 : "Bootloader" 0x000000040000-0x000000800000 : "Kernel" 0x000000800000-0x000040000000 : "ubifs" dm9000 Ethernet Driver, V1.31 eth0: dm9000a at d0828000,d0c00004 IRQ 108 MAC: 00:22:12:34:56:90 (chip) usbcore: registered new interface driver zd1201 usbcore: registered new interface driver hwa-rc usbmon: debugfs is not available ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver s3c2410-ohci s3c2410-ohci: S3C24XX OHCI s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1 s3c2410-ohci s3c2410-ohci: irq 79, io mem 0x74300000 usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: S3C24XX OHCI usb usb1: Manufacturer: Linux 2.6.36-Xtramus ohci_hcd usb usb1: SerialNumber: s3c24xx hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected usbcore: registered new interface driver hwa-hc usbcore: registered new interface driver wusb-cbaf usbcore: registered new interface driver cdc_wdm Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. s3c-hsotg s3c-hsotg: regs d0840000, irq 90 s3c-hsotg s3c-hsotg: s3c_hsotg_corereset: reset failed, GRSTCTL=80000001 s3c-hsotg s3c-hsotg: GRXFSIZ=0x00001800, GNPTXFSIZ=0x18001800 s3c-hsotg s3c-hsotg: shared fifos s3c-hsotg s3c-hsotg: cannot create debug root s3c-hsotg s3c-hsotg: DCFG=0x00200000, DCTL=0x00000002, DIEPMSK=0000000f s3c-hsotg s3c-hsotg: GAHBCFG=0x00000000, 0x44=0x00000000 s3c-hsotg s3c-hsotg: GRXFSIZ=0x00000800, GNPTXFSIZ=0x04000800 s3c-hsotg s3c-hsotg: DPTx[1] FSize=768, StAddr=0x00000f00 s3c-hsotg s3c-hsotg: DPTx[2] FSize=768, StAddr=0x00001200 s3c-hsotg s3c-hsotg: DPTx[3] FSize=768, StAddr=0x00001500 s3c-hsotg s3c-hsotg: DPTx[4] FSize=768, StAddr=0x00001800 s3c-hsotg s3c-hsotg: DPTx[5] FSize=768, StAddr=0x00001b00 s3c-hsotg s3c-hsotg: DPTx[6] FSize=768, StAddr=0x00001e00 s3c-hsotg s3c-hsotg: DPTx[7] FSize=768, StAddr=0x00002100 s3c-hsotg s3c-hsotg: DPTx[8] FSize=768, StAddr=0x00002400 s3c-hsotg s3c-hsotg: DPTx[9] FSize=768, StAddr=0x00002700 s3c-hsotg s3c-hsotg: DPTx[10] FSize=768, StAddr=0x00002a00 s3c-hsotg s3c-hsotg: DPTx[11] FSize=768, StAddr=0x00002d00 s3c-hsotg s3c-hsotg: DPTx[12] FSize=768, StAddr=0x00003000 s3c-hsotg s3c-hsotg: DPTx[13] FSize=768, StAddr=0x00003300 s3c-hsotg s3c-hsotg: DPTx[14] FSize=768, StAddr=0x00003600 s3c-hsotg s3c-hsotg: DPTx[15] FSize=768, StAddr=0x00003900 s3c-hsotg s3c-hsotg: ep0-in: EPCTL=0x00008000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep0-out: EPCTL=0x00008000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep1-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep1-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep2-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep2-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep3-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep3-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep4-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep4-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep5-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep5-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep6-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep6-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep7-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep7-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep8-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep8-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep9-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep9-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep10-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep10-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep11-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep11-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep12-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep12-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep13-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep13-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 usb 1-1: new full speed USB device using s3c2410-ohci and address 2 s3c-hsotg s3c-hsotg: ep14-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep14-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: DVBUSDIS=0x000017d7, DVBUSPULSE=000005b8 mice: PS/2 mouse device common for all mice S3C24XX RTC, (c) 2004,2006 Simtec Electronics s3c-rtc s3c64xx-rtc: rtc disabled, re-enabling s3c-rtc s3c64xx-rtc: rtc core: registered s3c as rtc0 i2c /dev entries driver S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq enabled TCP cubic registered NET: Registered protocol family 17 lib80211: common routines for IEEE802.11 drivers Registering the dns_resolver key type VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5 s3c-rtc s3c64xx-rtc: hctosys: invalid date/time Freeing init memory: 3436K usb 1-1: New USB device found, idVendor=0bda, idProduct=8176 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: 802.11n WLAN Adapter usb 1-1: Manufacturer: Realtek usb 1-1: SerialNumber: 00e04c000001 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 ifconfig: SIOCSIFADDR: No such device *****Auto start telnetd ****

Please press Enter to activate this console. -/bin/sh: id: not found [root@Xtramus6410 /]# 启动的时候顺利识别到usb wifi，说明USB HOST没问题，接着将加载驱动模块不管用何种方式（NFS，or ftp tftp均可）本文档采用的是tftp将模块驱动down到板子/opt/目录上 [root@Xtramus6410 /opt]# tftp -g -r 8192cu.ko 192.168.1.247 [root@Xtramus6410 /opt]# ls 8192cu.ko [root@Xtramus6410 /opt]# insmod 8192cu.ko rtw driver version=v3.4.2_3727.20120404 Build at: Jun 15 2012 15:21:30 register rtw_netdev_ops to netdev_ops CHIP TYPE: RTL8188C_8192C

usb_endpoint_descriptor(0): bLength=7 bDescriptorType=5 bEndpointAddress=81 wMaxPacketSize=40 bInterval=0 RT_usb_endpoint_is_bulk_in = 1

usb_endpoint_descriptor(1): bLength=7 bDescriptorType=5 bEndpointAddress=2 wMaxPacketSize=40 bInterval=0 RT_usb_endpoint_is_bulk_out = 2

usb_endpoint_descriptor(2): bLength=7 bDescriptorType=5 bEndpointAddress=3 wMaxPacketSize=40 bInterval=0 RT_usb_endpoint_is_bulk_out = 3

usb_endpoint_descriptor(3): bLength=7 bDescriptorType=5 bEndpointAddress=84 wMaxPacketSize=40 bInterval=1 RT_usb_endpoint_is_int_in = 4, Interval = 1 nr_endpoint=4, in_num=2, out_num=2

NON USB_SPEED_HIGH Chip Version ID: VERSION_NORMAL_TSMC_CHIP_88C. RF_Type is 3!! EEPROM type is E-FUSE ====> ReadAdapterInfo8192C Boot from EFUSE, Autoload OK !

EEPROMVID = 0x0bda EEPROMPID = 0x8176 EEPROMCustomerID : 0x00 EEPROMSubCustomerID: 0x00 RT_CustomerID: 0x00 _ReadMACAddress MAC Address from EFUSE = 08:10:76:34:80:f5 EEPROMRegulatory = 0x0 _ReadBoardType(0) BT Coexistance = disable RT_ChannelPlan: 0x02 _ReadPSSetting...bHWPwrPindetect(0)-bHWPowerdown(0) ,bSupportRemoteWakeup(0)

PS params=> power_mgnt(0),usbss_enable(0)

AntDivCfg(0)

readAdapterInfo_8192CU(): REPLACEMENT = 1 <==== ReadAdapterInfo8192C in 2170 ms rtw_macaddr_cfg MAC Address = 08:10:76:34:80:f5 MAC Address from pnetdev->dev_addr= 08:10:76:34:80:f5 bDriverStopped:1, bSurpriseRemoved:0, bup:0, hw_init_completed:0 usbcore: registered new interface driver rtl8192cu [root@Xtramus6410 /opt]# [root@Xtramus6410 /opt]# ifconfig 仍然看不到usb wifi网卡 eth0 Link encap:Ethernet HWaddr 00:22:12:34:56:90
inet addr:192.168.1.20 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:57 errors:0 dropped:0 overruns:0 frame:0 TX packets:5 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:6144 (6.0 KiB) TX bytes:1338 (1.3 KiB) Interrupt:108 Base address:0x8000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) 但是可以从/proc/net目录下可以看到wlan0 [root@Xtramus6410 net]# cat wireless Inter-| sta-| Quality | Discarded packets | Missed | WE face | tus | link level noise | nwid crypt frag retry misc | beacon | 22 wlan0: 0000 0. 0. 0. 0 0 0 0 0 0 [root@Xtramus6410 net]# pwd /proc/net [root@Xtramus6410 net] 为能够是usb wifi能够正常访问网络，还需一些应用软件：iwconfig iwlist 等

Fig1.4 usb wifi在/dev/目录下存在的设备节点1-1 3.wifi应用软件的编译及使用 3.1 同上在解压出来的驱动包有wire tools具体如果应用也有相关文档说明，进入解压后目录找到Makefile文件，同样需要修改一些编译选项 [root@localhost wireless_tools.30.rtl]# pwd /home/s3c6410/s3c6410/driver/RTL8188C_8192C_8192D_USB_linux_v3.4.2_3727.20120404/wireless_tools/wireless_tools.30.rtl [root@localhost wireless_tools.30.rtl]#

Fig1.5 修改编译条件

Fig1.6成功编译后将获得绿色显示的工具 图1.6工具在本次中未能够使用到此处略去,日后需要将补上…

3.2 进入以下目录，同样需修改Makefile文件进行交叉编译得到工具wpa_supplicant [root@localhost wpa_supplicant]# pwd /home/s3c6410/s3c6410/driver/RTL8188C_8192C_8192D_USB_linux_v3.4.2_3727.20120404/wpa_supplicant_hostapd/wpa_supplicant_hostapd-0.8/wpa_supplicant [root@localhost wpa_supplicant]#

Fig1.7 将CC改为arm-linux-gcc 在该目录执行make后将得到下图绿色显示的工具，为能够正常运行，先静态配置wlan0的ip（动态方式后续更新）

Fig1.8 成功编译wpa_supplicant 目录工具 配置wlan0 ip地址： [root@Xtramus6410 /opt]# ifconfg -/bin/sh: ifconfg: not found [root@Xtramus6410 /opt]# ifconfig eth0 Link encap:Ethernet HWaddr 00:22:12:34:56:90
inet addr:192.168.1.20 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:231 errors:0 dropped:0 overruns:0 frame:0 TX packets:5 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:20298 (19.8 KiB) TX bytes:1338 (1.3 KiB) Interrupt:108 Base address:0x8000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

[root@Xtramus6410 /opt]# ifconfig wlan0 192.168.1.22 +871x_drv - drv_open, bup=0 ===> FirmwareDownload91C() fw:Rtl819XFwImageArray_TSMC FirmwareDownload92C accquire FW from embedded image fw_ver=v80, fw_subver=0, sig=0x88c0 fw download ok! Set RF Chip ID to RF_6052 and RF type to 1T1R. IOL rtl8192c_IOL_exec_cmds_sync complete in 30ms IOL rtl8192c_IOL_exec_cmds_sync complete in 30ms IOL rtl8192c_IOL_exec_cmds_sync complete in 70ms IOL rtl8192c_IOL_exec_cmds_sync complete in 70ms IOL rtl8192c_IOL_exec_cmds_sync complete in 250ms IQK:Start!!! Path A IQK Success!! Path A IQK Success!! IQK: final_candidate is 0 IQK: RegE94=103 RegE9C=13 RegEA4=fe RegEAC=2 RegEB4=0 RegEBC=0 RegEC4=0 RegECC=0 Path A IQ Calibration Success ! pdmpriv->TxPowerTrackControl = 1 MAC Address from REG_MACID = 08:10:76:34:80:f5 rtl8192cu_hal_init in 1760ms MAC Address = 08:10:76:34:80:f5 -871x_drv - drv_open, bup=1 [root@Xtramus6410 /opt]# ifconfig eth0 Link encap:Ethernet HWaddr 00:22:12:34:56:90
inet addr:192.168.1.20 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1000 errors:0 dropped:0 overruns:0 frame:0 TX packets:7 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:71294 (69.6 KiB) TX bytes:1500 (1.4 KiB) Interrupt:108 Base address:0x8000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

wlan0 Link encap:Ethernet HWaddr 08:10:76:34:80:F5
inet addr:192.168.1.22 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

[root@Xtramus6410 /opt]# 通过ifconfig后比先前看到的多出wlan0，可见目前已经将wlan0激活。但仍需要要一些应以偶那个设置方能访问网络。 在etc目录下创建wpa_supplicant.conf配置文件，文件内容如下：

WPA-PSK/TKIP

ctrl_interface=/var/run/wpa_supplicant network={ ssid="XTRAMUS" scan_ssid=1 key_mgmt=WPA-EAP WPA-PSK IEEE8021X NONE pairwise=TKIP CCMP group=CCMP TKIP WEP104 WEP40 psk="AABBCCDDEF" } ssid一个无线局域网分为几个需要不同身份验证的子网络，每一个子网络都需要独立的身份验证，只有通过身份验证的用户才可以进入相应的子网络，防止未被授权的用户进入本网络. key_mgmt：加密方式 wpa等 psk 我理解成密钥，如理解错在更新

配置文件有了，接下来执行 [root@Xtramus6410 /opt]# wpa_supplicant -Dwext -iwlan0 -c /etc/wpa_supplicant.conf -dd & 结果出来一长串的信息，以后慢慢了解！ root@Xtramus6410 /opt]# wpa_supplicant v0.8.x random: Trying to read entropy from /dev/random Initializing interface 'wlan0' conf '/etc/wpa_supplicant.conf' driver 'wext' ctrl_interface 'N/A' bridge 'N/A' Configuration file '/etc/wpa_supplicant.conf' -> '/etc/wpa_supplicant.conf' Reading configuration file '/etc/wpa_supplicant.conf' ctrl_interface='/var/run/wpa_supplicant' Line: 3 - start of a new network block ssid - hexdump_ascii(len=7): 58 54 52 41 4d 55 53 XTRAMUS
scan_ssid=1 (0x1) key_mgmt: 0xf pairwise: 0x18 group: 0x1e PSK (ASCII passphrase) - hexdump_ascii(len=10): [REMOVED] PSK (from passphrase) - hexdump(len=32): [REMOVED][rtw_wx_set_pmkid] IW_PMKSA_FLUSH! set_mode = IW_MODE_INFRA

Priority group 0 id=0 ssid='XTRAMUS' rfkill: Cannot open RFKILL control device WEXT: RFKILL status not available SIOCGI[rtw_wx_set_pmkid] IW_PMKSA_FLUSH! WRANGE: WE(compiled)=22 WE(source)=16 enc_capa=0xf capabilities: key_mgmt 0xf enc 0xf flags 0x0 ioctl[SIOCSIWAP]: Operation not permitted WEXT: Failed to set bogus BSSID/SSID to disconnect netlink: Operstate: linkmode=1, operstate=5 wlan0: Own MAC address: 08:10:76:34:80:f5 wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0 wpa_driver_wext_set_key: alg=0 key_idx=1 set_tx=0 seq_len=0 key_len=0 wpa_driver_wext_set_key: alg=0 key_idx=2 set_tx=0 seq_len=0 key_len=0 wpa_driver_wext_set_key: alg=0 key_idx=3 set_tx=0 seq_len=0 key_len=0 wpa_driver_wext_set_countermeasures wlan0: RSN: flushing PMKID list in the driver wlan0: Setting scan request: 0 sec 100000 usec WPS: Set UUID for interface wlan0 WPS: UUID based on MAC address - hexdump(len=16): a2 79 1c ac 4c d4 51 20 bf f3 72 84 51 89 6d 8e EAPOL: SUPP_PAE entering state DISCONNECTED EAPOL: Supplicant port status: Unauthorized EAPOL: KEY_RX entering state NO_KEY_RECEIVE EAPOL: SUPP_BE entering state INITIALIZE EAP: EAP entering state DISABLED EAPOL: Supplicant port status: Unauthorized EAPOL: Supplicant port status: Unauthorized wlan0: Added interface wlan0 RTM_NEWLINK: operstate=0 ifi_flags=0x1043 ([UP][RUNNIW_SCAN_THIS_ESSID, ssid=XTRAMUS, len=7 ING]) RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on interface wlan0 Wireless event: cmd=0x8b06 len=8 RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP]) RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on interface wlan0 wlan0: State: DISCONNECTED -> SCANNING Scan SSID - hexdump_ascii(len=7): 58 54 52 41 4d 55 53 XTRAMUS
wlan0: Starting AP scan for specific SSID(s) ioctl[SIOCSIWMLME]: Cannot allocate memory Scan requested (ret=0) - scan timeout 5 seconds EAPOL: disable timer tick EAPOL: Supplicant port status: Unauthorized survey done event(6b) RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP]) RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on interface wlan0 Wireless event: cmd=0x8b19 len=8 wlan0: Event 3 received on interface wlan0 Scan results did not fit - trying larger buffer (8192 bytes) Received 5528 bytes of scan results (30 BSSes) wlan0: BSS: Start scan result update 1 wlan0: BSS: Add new id 0 BSSID 00:26:5a:30:5a:5e SSID 'DIR-615(F1)' wlan0: BSS: Add new id 1 BSSID 5c:d9:98:78:1d:f8 SSID 'dlink' wlan0: BSS: Add new id 2 BSSID 00:22:b0:49:06:e8 SSID 'alpha-guest' wlan0: BSS: Add new id 3 BSSID ec:6c:9f:04:05:6c SSID 'XTRAMUS' wlan0: BSS: Add new id 4 BSSID 5c:d9:98:03:0b:b8 SSID 'dlink800' wlan0: BSS: Add new id 5 BSSID fc:75:16:c6:e2:de SSID 'DIR-645' wlan0: BSS: Add new id 6 BSSID 00:26:5a:b1:3c:24 SSID 'DI-524M(B1)' wlan0: BSS: Add new id 7 BSSID 00:13:46:fd:b4:f8 SSID '3200ap' wlan0: BSS: Add new id 8 BSSID f0:7d:68:82:87:c4 SSID '616' wlan0: BSS: Add new id 9 BSSID cc:b2:55:e2:e7:44 SSID '8004W_4' wlan0: BSS: Add new id 10 BSSID 00:15:e9:c4:44:27 SSID 'Oi_Velox_WiFi_4426' wlan0: BSS: Add new id 11 BSSID 5c:d9:98:03:0b:c8 SSID '' wlan0: BSS: Add new id 12 BSSID 84:c9:b2:e1:12:a6 SSID 'dlink_DIR-506L' wlan0: BSS: Add new id 13 BSSID 00:d0:41:c4:d8:3e SSID 'Allen_Mobile_AP' wlan0: BSS: Add new id 14 BSSID 00:22:b0:c7:6e:91 SSID 'dlink-csdd' wlan0: BSS: Add new id 15 BSSID 00:24:01:85:b3:f1 SSID 'D-Link' wlan0: BSS: Add new id 16 BSSID 00:24:01:c4:c3:70 SSID 'dlink' wlan0: BSS: Add new id 17 BSSID 00:90:5c:22:22:22 SSID 'dlink444' wlan0: BSS: Add new id 18 BSSID b8:a3:86:52:07:d8 SSID 'DAP-1360' wlan0: BSS: Add new id 19 BSSID 00:11:22:33:44:77 SSID 'Lege_Test' wlan0: BSS: Add new id 20 BSSID 1c:af:f7:be:81:c6 SSID 'D-Link_DIR-600M' wlan0: BSS: Add new id 21 BSSID 14:d6:4d:e7:a3:0c SSID 'DIR-600N' wlan0: BSS: Add new id 22 BSSID 1c:af:f7:99:88:20 SSID 'BBB' wlan0: BSS: Add new id 23 BSSID 00:1e:e3:00:ac:45 SSID 'Dlink_0' wlan0: BSS: Add new id 24 BSSID 14:d6:4d:24:2b:be SSID 'dlink' wlan0: BSS: Add new id 25 BSSID 00:17:7b:0e:f9:28 SSID 'Azalea' wlan0: BSS: Add new id 26 BSSID 1c:7e:e5:94:90:9e SSID 'dlink' wlan0: BSS: Add new id 27 BSSID 00:10:18:00:00:01 SSID 'D-Link DSL-2870B' wlan0: BSS: Add new id 28 BSSID 00:1e:e3:15:ba:a9 SSID 'dlink' wlan0: BSS: Add new id 29 BSSID cc:b2:55:e2:e7:42 SSID '8004W_2' Add randomness: count=1 entropy=0 Add randomness: count=2 entropy=1 Add randomness: count=3 entropy=2 Add randomness: count=4 entropy=3 Add randomness: count=5 entropy=4 Add randomness: count=6 entropy=5 Add randomness: count=7 entropy=6 Add randomness: count=8 entropy=7 Add randomness: count=9 entropy=8 Add randomness: count=10 entropy=9 wlan0: New scan results available wlan0: Selecting BSS from priority group 0 wlan0: 0: 00:26:5a:30:5a:5e ssid='DIR-615(F1)' wpa_ie_len=0 rsn_ie_len=20 caps=0x11 level=50 wlan0: skip - SSID mismatch wlan0: 1: 5c:d9:98:78:1d:f8 ssid='dlink' wpa_ie_len=0 rsn_ie_len=20 caps=0x11 level=43 wps wlan0: skip - SSID mismatch wlan0: 2: 00:22:b0:49:06:e8 ssid='alpha-guest' wpa_ie_len=26 rsn_ie_len=0 caps=0x11 level=42 wlan0: skip - SSID mismatch wlan0: 3: ec:6c:9f:04:05:6c ssid='XTRAMUS' wpa_ie_len=0 rsn_ie_len=20 caps=0x11 level=99 wlan0: selected based on RSN IE wlan0: selected BSS ec:6c:9f:04:05:6c ssid='XTRAMUS' wlan0: Request association: reassociate: 0 selected: ec:6c:9f:04:05:6c bssid: 00:00:00:00:00:00 pending: 00:00:00:00:00:00 wpa_state: SCANNING wlan0: Trying to associate with ec:6c:9f:04:05:6c (SSID='XTRAMUS' freq=2472 MHz) wlan0: Cancelling scan request wlan0: WPA: clearing own WPA/RSN IE wlan0: Automatic auth_alg selection: 0x1 wlan0: RSN: using IEEE 802.11i/D9.0 wlan0: WPA: Selected cipher suites: group 16 pairwise 16 key_mgmt 2 proto 2 wlan0: WPA: clearing AP WPA IE WPA: set AP RSN IE - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00 wlan0: Wwpa_set_auth_algs, AUTH_ALG_OPEN_SYSTEM set_mode = IW_MODE_INFRA

wpa_ie(length:22): 0x30 0x14 0x01 0x00 0x00 0x0f 0xac 0x04 0x01 0x00 0x00 0x0f 0xac 0x04 0x01 0x00 0x00 0x0f 0xac 0x02 0x00 0x00 0xea 0xce =>rtw_wx_set_essid ssid=XTRAMUS, len=7 Set SSID under fw_state=0x00000008 [by_bssid:0][assoc_ssid:XTRAMUS][to_roaming:0] new candidate: XTRAMUS(ec:6c:9f:04:05:6c) rssi:-48 rtw_select_and_join_from_scanned_queue: candidate: XTRAMUS(ec:6c:9f:04:05:6c) rtw_restructure_ht_ie IEEE80211_HT_CAP_MAX_AMSDU is set link to Ralink AP <=rtw_wx_set_essid, ret 0 Set BSSID under fw_state=0x00000088 set ch/bw before connected PA: using GTK CCMP wlan0: WPA: using PTK CCMP wlan0: WPA: using KEY_MGMT WPA-PSK WPA: Set own WPA IE default - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00 wlan0: No keys have been configured - skip key clearing wlan0: State: SCANNING -> ASSOCIATING wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT) netlink: Operstate: linkmode=-1, operstate=5 wpa_driver_wext_associate wpa_driver_wext_set_drop_unencrypted wpa_driver_wext_set_psk wlan0: Setting authentication timeout: 10 sec 0 usec EAPOL: External notification - EAP success=0 EAPOL: Supplicant port status: Unauthorized EAPOL: External notification - EAP fail=0 EAPOL: Supplicant port status: Unauthorized EAPOL: External notification - portControl=Auto EAPOL: Supplicant port status: Unauthorized RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP]) RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on interface wlan0 Wireless event: cmd=0x8b06 len=8 RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP]) RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on interface wlan0 Wireless event: cmd=0x8b04 len=12 RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP]) RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on interface wlan0 Wireless event: cmd=0x8b1a len=15 link to Ralink AP issue_deauth to ec:6c:9f:04:05:6c OnAuthClient network.SupportedRates[0]=82 network.SupportedRates[1]=84 network.SupportedRates[2]=8B network.SupportedRates[3]=96 network.SupportedRates[4]=12 network.SupportedRates[5]=24 network.SupportedRates[6]=48 network.SupportedRates[7]=6C network.SupportedRates[8]=0C network.SupportedRates[9]=18 network.SupportedRates[10]=30 network.SupportedRates[11]=60 bssrate_len = 12 OnAssocRsp report_join_res(2) rtw_joinbss_update_network +rtw_update_ht_cap() rtw_joinbss_update_stainfo HW_VAR_BASIC_RATE: BrateCfg(0x15d) RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP]) RTM_NEWLINK, IWMM(0): 0, a42b FLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on WMM(1): 0, a44f WMM(2): 0, 5e4322 WMM(3): 0, 2f3222 [HW_VAR_ACM_CTRL] Write 0x0 HTOnAssocRsp interface wlan0 Wireless event: cmd=0x8b15 len=20 Wireless event: new AP: ec:6c:9f:04:05:6c wlan0: Event 0 received on interface wlan0 wlan0: State: ASSOCIATING -> ASSOCIATED wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT) netlink: Operstate: linkmode=-1, operstate=5 wlan0: Associated to a new BSS: BSSID=ec:6c:9f:04:05:6c Add randomness: count=11 entropy=10 wlan0: No keys have been configured - skip key clearing wlan0: Associated with ec:6c:9f:04:05:6c wlan0: WPA: Association event - clear replay counter wlan0: WPA: Clear old PTK EAPOL: External notification - portEnabled=0 EAPOL: Supplicant port status: Unauthorized EAPOL: External notification - portValid=0 EAPOL: Supplicant port status: Unauthorized EAPOL: External notification - EAP success=0 EAPOL: Supplicant port status: Unauthorized EAPOL: External notification - portEnabled=1 EAPOL: SUPP_PAE entering state CONNECTING EAPOL: enable timer tick EAPOL: SUPP_BE entering state IDLE wlan0: Setting authentication timeout: 10 sec 0 usec wlan0: Cancelling scan request RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP]) RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added wlan0: Event 5 received on interface wlupdate raid entry, mask=0xfffff, arg=0x80 an0 rtl8192c_set_FwJoinBssReport_cmd mstatus(1) SetFwRsvdPagePkt Set RSVD page location to Fw. =>mlmeext_joinbss_event_callback wlan0: RX EAPOL from ec:6c:9f:04:05:6c RX EAPOL - hexdump(len=99): 01 03 00 5f 02 00 8a 00 10 00 00 0OnAction_back OnAction_back, action=0 issue_action_BA, category=3, action=1, status=0 0 00 00 00 00 01 47 55 75 73 1d bf 9d 29 4e ea 6d fd d8 c2 8c 19 f5 e4 0d f3 23 fc 9c 4e e0 bb 53 3f 82 c9 18 82 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 wlan0: Setting authentication timeout: 10 sec 0 usec wlan0: IEEE 802.1X RX: version=1 type=3 length=95 wlan0: EAPOL-Key type=2 wlan0: key_info 0x8a (ver=2 keyidx=0 rsvd=0 Pairwise Ack) wlan0: key_length=16 key_data_length=0 replay_counter - hexdump(len=8): 00 00 00 00 00 00 00 01 key_nonce - hexdump(len=32): 47 55 75 73 1d bf 9d 29 4e ea 6d fd d8 c2 8c 19 f5 e4 0d f3 23 fc 9c 4e e0 bb 53 3f 82 c9 18 82 key_iv - hexdump(len=16): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 key_rsc - hexdump(len=8): 00 00 00 00 00 00 00 00 key_id (reserved) - hexdump(len=8): 00 00 00 00 00 00 00 00 key_mic - hexdump(len=16): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 WPA: RX EAPOL-Key - hexdump(len=99): 01 03 00 5f 02 00 8a 00 10 00 00 00 00 00 00 00 01 47 55 75 73 1d bf 9d 29 4e ea 6d fd d8 c2 8c 19 f5 e4 0d f3 23 fc 9c 4e e0 bb 53 3f 82 c9 18 82 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE wlan0: WPA: RX message 1 of 4-Way Handshake from ec:6c:9f:04:05:6c (ver=2) RSN: msg 1/4 key data - hexdump(len=0): Get randomness: len=32 entropy=11 WPA: Renewed SNonce - hexdump(len=32): 1e 32 39 56 ff e3 d0 4d 07 b8 70 d4 03 45 f7 23 88 d2 5e a6 bf b9 24 bd 0f d7 19 74 92 d6 38 bd WPA: PTK derivation - A1=08:10:76:34:80:f5 A2=ec:6c:9f:04:05:6c WPA: Nonce1 - hexdump(len=32): 1e 32 39 56 ff e3 d0 4d 07 b8 70 d4 03 45 f7 23 88 d2 5e a6 bf b9 24 bd 0f d7 19 74 92 d6 38 bd WPA: Nonce2 - hexdump(len=32): 47 55 75 73 1d bf 9d 29 4e ea 6d fd d8 c2 8c 19 f5 e4 0d f3 23 fc 9c 4e e0 bb 53 3f 82 c9 18 82 WPA: PMK - hexdump(len=32): [REMOVED] WPA: PTK - hexdump(len=48): [REMOVED] WPA: WPA IE for msg 2/4 - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00 WPA: Replay Counter - hexdump(len=8): 00 00 00 00 00 00 00 01 wlan0: WPA: Sending EAPOL-Key 2/4 WPA: KCK - hexdump(len=16): [REMOVED] WPA: Derived Key MIC - hexdump(len=16): 64 77 cb e5 5a 43 f8 c8 31 da 5d 83 d6 b8 59 9e WPA: TX EAPOL-Key - hexdump(len=121): 01 03 00 75 02 01 0a 00 00 00 00 00 00 00 00 00 01 1e 32 39 56 ff e3 d0 4d 07 b8 70 d4 03 45 f7 23 88 d2 5e a6 bf b9 24 bd 0f d7 19 74 92 d6 38 bd 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 64 77 cb e5 5a 43 f8 c8 31 da 5d 83 d6 b8 59 9e 00 16 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00 wlan0: RX EAPOL from ec:6c:9f:04:05:6c RX EAPOL - hexdump(len=155): 01 03 00 97 02 13 ca 00 10 00 00 00 00 00 00 00 02 47 55 75 73 1d bf 9d 29 4e ea 6d fd d8 c2 8c 19 f5 e4 0d f3 23 fc 9c 4e e0 bb 53 3f 82 c9 18 82 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 58 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 a8 3c 63 b5 8e a1 56 90 3f 19 3b a9 9e 96 b7 00 38 eb f6 36 b0 1c 3e a8 f5 f0 34 fe d8 38 80 cf 25 0c 74 b7 60 65 41 fb 75 70 d8 65 c9 4b d4 dc e4 b5 b0 55 cc 2f de 59 da d8 7c 43 aa a5 bc 44 02 6a db 9f 38 2f cd 48 95 wlan0: IEEE 802.1X RX: version=1 type=3 length=151 wlan0: EAPOL-Key type=2 wlan0: key_info 0x13ca (ver=2 keyidx=0 rsvd=0 Pairwise Install Ack MIC Secure Encr) wlan0: key_length=16 key_data_length=56 replay_counter - hexdump(len=8): 00 00 00 00 00 00 00 02 key_nonce - hexdump(len=32): 47 55 75 73 1d bf 9d 29 4e ea 6d fd d8 c2 8c 19 f5 e4 0d f3 23 fc 9c 4e e0 bb 53 3f 82 c9 18 82 key_iv - hexdump(len=16): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 key_rsc - hexdump(len=8): 58 03 00 00 00 00 00 00 key_id (reserved) - hexdump(len=8): 00 00 00 00 00 00 00 00 key_mic - hexdump(len=16): 70 a8 3c 63 b5 8e a1 56 90 3f 19 3b a9 9e 96 b7 WPA



 ~~~~stastakey:groupkey
==> rtw_set_key algorithm(4),keyid(2),key_mask(4)
: RX EAPOL-Key - hexdump(len=155): 01 03 00 97 02 13 ca 00 10 00 00 00 00 00 00 00 02 47 55 75 73 1d bf 9d 29 4e ea 6d fd d8 c2 8c 19 f5 e4 0d f3 23 fc 9c 4e e0 bb 53 3f 82 c9 18 82 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 58 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 a8 3c 63 b5 8e a1 56 90 3f 19 3b a9 9e 96 b7 00 38 eb f6 36 b0 1c 3e a8 f5 f0 34 fe d8 38 80 cf 25 0c 74 b7 60 65 41 fb 75 70 d8 65 c9 4b d4 dc e4 b5 b0 55 cc 2f de 59 da d8 7c 43 aa a5 bc 44 02 6a db 9f 38 2f cd 48 95
RSN: encrypted key data - hexdump(len=56): eb f6 36 b0 1c 3e a8 f5 f0 34 fe d8 38 80 cf 25 0c 74 b7 60 65 41 fb 75 70 d8 65 c9 4b d4 dc e4 b5 b0 55 cc 2f de 59 da d8 7c 43 aa a5 bc 44 02 6a db 9f 38 2f cd 48 95
WPA: decrypted EAPOL-Key key data - hexdump(len=48): [REMOVED]
wlan0: State: 4WAY_HANDSHAKE -> 4WAY_HANDSHAKE
wlan0: WPA: RX message 3 of 4-Way Handshake from ec:6c:9f:04:05:6c (ver=2)
WPA: IE KeyData - hexdump(len=48): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00 dd 16 00 0f ac 01 02 00 f2 e1 ec 75 73 c2 9c 43 3a 34 a7 32 88 fc 8b 96 dd 00
WPA: RSN IE in EAPOL-Key - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00
WPA: GTK in EAPOL-Key - hexdump(len=24): [REMOVED]
wlan0: WPA: Sending EAPOL-Key 4/4
WPA: KCK - hexdump(len=16): [REMOVED]
WPA: Derived Key MIC - hexdump(len=16): 40 36 1e a5 c5 00 e9 d9 82 45 08 b3 85 9a 20 61
WPA: TX EAPOL-Key - hexdump(len=99): 01 03 00 5f 02 03 0a 00 00 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 36 1e a5 c5 00 e9 d9 82 45 08 b3 85 9a 20 61 00 00
wlan0: WPA: Installing PTK to the driver
wpa_driver_wext_set_key: alg=3 key_idx=0 set_tx=1 seq_len=6 key_len=16
EAPOL: External notification - portValid=1
wlan0: State: 4WAY_HANDSHAKE -> GROUP_HANDSHAKE
RSN: received GTK in pairwise handshake - hexdump(len=18): [REMOVED]
WPA: Group Key - hexdump(len=16): [REMOVED]
wlan0: WPA: Installing GTK to the driver (keyidx=2 tx=0 len=16)
WPA: RSC - hexdump(len=6): 58 03 00 00 00 00
wpa_driver_wext_set_key: alg=3 key_idx=2 set_tx=0 seq_len=6 key_len=16
wlan0: WPA: Key negotiation completed with ec:6c:9f:04:05:6c [PTK=CCMP GTK=CCMP]
wlan0: Cancelling authentication timeout
wlan0: State: GROUP_HANDSHAKE -> COMPLETED
wlan0: CTRL-EVENT-CONNECTED - Connection to ec:6c:9f:04:05:6c completed (auth) [id=0 id_str=]
wpa_driver_wext_set_operstate: operstate 0->1 (UP)
netlink: Operstate: linkmode=-1, operstate=6
EAPOL: External notification - portValid=1
EAPOL: External notification - EAP success=1
EAPOL: SUPP_PAE entering state AUTHENTICATING
EAPOL: SUPP_BE entering state SUCCESS
EAP: EAP entering state DISABLED
EAPOL: SUPP_PAE entering state AUTHENTICATED
EAPOL: Supplicant port status: Authorized
EAPOL: SUPP_BE entering state IDLE
EAPOL authentication completed successfully
RTM_NEWLINK: operstate=1 ifi_flags=0x11043 ([UP][RUNNING][LOWER_UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan0' added
wlan0: Event 5 received on interface wlan0
EAPOL: startWhen --> 0
EAPOL: disable timer tick
rtl8192c_dm_RF_Saving(): RF_Save

[root@Xtramus6410 /opt]#

接下来我们ping下路由器，零点几毫秒，有这么快的响应么？错了，忘记关掉eth0，将eth0网卡关闭，它的网段也是192.168.1.x或改为其他网段。
[root@Xtramus6410 /opt]# 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=8.048 ms
64 bytes from 192.168.1.1: seq=1 ttl=64 time=0.740 ms
64 bytes from 192.168.1.1: seq=2 ttl=64 time=0.561 ms
64 bytes from 192.168.1.1: seq=3 ttl=64 time=0.746 ms
^C
--- 192.168.1.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.561/2.523/8.048 ms
[root@Xtramus6410 /opt]# 
[root@Xtramus6410 /opt]#
关掉eth0如果不放心直接把网线拔掉。在ping网关，usb wifi达到几十毫秒
[root@Xtramus6410 /opt]# ifconfig
lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

wlan0     Link encap:Ethernet  HWaddr 08:10:76:34:80:F5  
          inet addr:192.168.1.22  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:50 errors:0 dropped:50 overruns:0 frame:0
          TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:6416 (6.2 KiB)  TX bytes:288 (288.0 B)

[root@Xtramus6410 /opt]# 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=20.931 ms
64 bytes from 192.168.1.1: seq=1 ttl=64 time=6.564 ms
64 bytes from 192.168.1.1: seq=2 ttl=64 time=37.729 ms
64 bytes from 192.168.1.1: seq=3 ttl=64 time=6.867 ms
64 bytes from 192.168.1.1: seq=4 ttl=64 time=19.028 ms
64 bytes from 192.168.1.1: seq=5 ttl=64 time=34.159 ms
64 bytes from 192.168.1.1: seq=6 ttl=64 time=8.358 ms
^C
--- 192.168.1.1 ping statistics ---
7 packets transmitted, 7 packets received, 0% packet loss
round-trip min/avg/max = 6.564/19.090/37.729 ms
[root@Xtramus6410 /opt]# 接着再ping外网，啥不通？网关忘了
[root@Xtramus6410 /opt]# ping www.baidu.com
PING www.baidu.com(119.75.218.77): 56 data bytes
ping: sendto: Network is unreachable
[root@Xtramus6410 /opt]# ping www.baidu.com
PING www.baidu.com (119.75.217.56): 56 data bytes
ping: sendto: Network is unreachable
[root@Xtramus6410 /opt]# ping www.sina.com
PING www.sina.com (221.236.31.140): 56 data bytes
ping: sendto: Network is unreachable
[root@Xtramus6410 /opt]#

[root@Xtramus6410 /opt]# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.1.0     *               255.255.255.0   U     0      0        0 wlan0
[root@Xtramus6410 /opt]#
[root@Xtramus6410 /opt]# route add default gw 192.168.1.1
[root@Xtramus6410 /opt]# ping www.baidu.com
PING www.baidu.com (119.75.218.77): 56 data bytes
64 bytes from 119.75.218.77: seq=0 ttl=56 time=54.385 ms
64 bytes from 119.75.218.77: seq=1 ttl=56 time=56.016 ms
64 bytes from 119.75.218.77: seq=2 ttl=56 time=47.137 ms
64 bytes from 119.75.218.77: seq=3 ttl=56 time=45.277 ms
--- www.baidu.com ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 45.277/50.703/56.016 ms
[root@Xtramus6410 /opt]#
大功告成，通过usb wifi可以正常访问外网
题外话：因为ping的是域名地址www.baidu.com需要进行DNS转化因此在etc目录下需要有个resov.conf的文件，文件内容如下：
nameserver 192.168.1.1
nameserver 8.8.8.8
易百纳技术社区文件： 嵌入式linux_usb-wifi驱动移植.rar
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ebaina_

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ebaina_ 2015-01-14 08:36:44
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赞  楼主。:):):)
潜力变实力

潜力变实力

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潜力变实力 2015-06-09 10:01:06
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赞一个，现在正好可以参考一下
huang

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huang 2015-11-10 18:37:16
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你好，请问我加载驱动后，cat /proc/net/wireless 看不到 wlan0，请问是什么原因呢？谢谢。
dengzhao1982

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dengzhao1982 2016-01-02 09:10:32
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下载完毕，感谢楼主~
stupid

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stupid 2017-04-23 20:43:31
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也太详细了吧，赞一个！
lyy111

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lyy111 2017-04-24 13:59:06
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很不错，学习一下。
msrli

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msrli 2017-08-15 14:29:58
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赞，支持动手的
zhujun19790920

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zhujun19790920 2017-08-19 21:48:52
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回复看看，看那看看看那看看
Jundy

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Jundy 2018-05-23 14:47:16
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很有参考阶值的，谢谢分享
float

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float 2018-05-25 17:02:20
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学习一下 谢谢分享
penko

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penko 2018-07-09 17:51:57
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学习一下 谢谢分享
hero

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hero 2018-07-10 08:48:37
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marking ，以后参照参照..........:victory::victory::victory:
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jipd 2018-08-08 14:47:46
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感谢楼主无私分享。。。
waiwn

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waiwn 2018-12-27 12:03:51
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赞，支持动手的
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cyclonesea 2019-01-04 08:32:15
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赞一个，感谢楼主的奉献精神！
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