HP BCM4312 Wireless firmware missing

Linux BCM4312 driver download URL:

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http://www.broadcom.com/support/802.11/linux_sta.php

Hardware parameter:

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$ lspci | grep -i network
08:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
$ lspci -n | grep -i "^08:00.0" or lspci -n | grep -i 14e4
08:00.0 0280: 14e4:4315 (rev 01)

Wireless is broadcom BCM4312,Device ID is 14e4:4315

Install steps:

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1. Delete conflict module

$ sudo rmmod b43 $ sudo rmmod ssb $ sudo rmmod wl

2. disable conflict module

# echo "blacklist ssb" >> /etc/modprobe.d/blacklist # echo "blacklist b43" >> /etc/modprobe.d/blacklist

3. build and installation

$ pwd ~/download/bcm4312 $ ls README.txt  hybrid-portsrc-x86_32-v5.10.91.9.3.tar.gz $ mkdir hybrid $ tar xf hybrid-portsrc-x86_32-v5.10.91.9.3.tar.gz -C hybrid $ cd hybrid/ $ ls Makefile  lib  src $ make KBUILD_NOPEDANTIC=1 make -C /lib/modules/`uname -r`/build M=`pwd` make[1]: Entering directory `/usr/src/linux-headers-2.6.26-2-686'   LD      /home/c-aries/download/bcm4312/hybrid/built-in.o   CC [M]  /home/c-aries/download/bcm4312/hybrid/src/wl/sys/wl_linux.o   CC [M]  /home/c-aries/download/bcm4312/hybrid/src/wl/sys/wl_iw.o   CC [M]  /home/c-aries/download/bcm4312/hybrid/src/shared/linux_osl.o   LD [M]  /home/c-aries/download/bcm4312/hybrid/wl.o   Building modules, stage 2.   MODPOST 1 modules WARNING: modpost: missing MODULE_LICENSE() in /home/c-aries/download/bcm4312/hybrid/wl.o see include/linux/module.h for more information   CC      /home/c-aries/download/bcm4312/hybrid/wl.mod.o   LD [M]  /home/c-aries/download/bcm4312/hybrid/wl.ko make[1]: Leaving directory `/usr/src/linux-headers-2.6.26-2-686' $ uname -r 2.6.26-2-686 $ sudo cp -rf wl.ko /lib/modules/2.6.26-2-686/kernel/drivers/net/wireless/ $ sudo depmod $ sudo modprobe wl $

4. Check if install success

$ lsmod | grep wl wl                   1269312  0  ieee80211_crypt         5124  2 ieee80211_crypt_tkip,wl // bios设置无线可用，打开无线开关 $ sudo iwconfig lo        no wireless extensions. eth0      no wireless extensions. eth1      IEEE 802.11bg  ESSID:""  Nickname:""           Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated              Bit Rate:54 Mb/s   Tx-Power:32 dBm              Retry min limit:7   RTS thr:off   Fragment thr:off           Power Managementmode:All packets received           Link Quality=5/5  Signal level=0 dBm  Noise level=0 dBm           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0           Tx excessive retries:0  Invalid misc:0   Missed beacon:0 ppp0      no wireless extensions. $