how to find where did the downloaded driver go

[Abhishek Dixit]

On Mon, Oct 17, 2011 at 6:02 PM, Alan Pope <alan at popey.com> wrote:
> On 17 October 2011 08:39, Abhishek Dixit <abhidixit87 at gmail.com> wrote:
>> I am in a stage where I am frequently formatting my computer.My laptop
>> needs some kind of properietary wifi driver.
>> After installation of Ubuntu I go to control panel and enable the
>> available drivers for this machine.
>> Where it downloads or enables STA Broadcomm driver.I want to know how
>> do find out what changes does it do or where does it keeps the
>> downloaded  file since I have to format my laptop
>>  many many times so I want to copy it in a USB.That will save some
>> time at my end.
>>
>
> What I would do is use nm-tool to see what driver the wifi is using,
> then lsmod to look for the module then modinfo to find it on disk, and
> dpkg -S to see which package brought it in:-
>
> alan at mbp:~$ nm-tool | grep Driver
>  Driver:            wl
>  Driver:            tg3
>
> alan at mbp:~$ lsmod | grep wl
> wl                   2568210  0
> lib80211               14991  2 lib80211_crypt_tkip,wl
>
> alan at mbp:~$ modinfo wl
> filename:       /lib/modules/3.0.0-12-generic/updates/dkms/wl.ko
> license:        MIXED/Proprietary
>
>
> alan at mbp:~$ dpkg -S /lib/modules/3.0.0-12-generic/updates/dkms/wl.ko
> dpkg-query: no path found matching pattern
> /lib/modules/3.0.0-12-generic/updates/dkms/wl.ko.
>
> This says to me that a script generated it (dkms gives this away).
>
> Look for packages with "wl" in the name:-
>
>
> alan at mbp:~$ dpkg -l "*wl*" | grep ^ii
> ii  bcmwl-kernel-source                    5.100.82.38+bdcom-0ubuntu4
>            Broadcom 802.11 Linux STA wireless driver source
>
> So list what's in that package:-
>
> alan at mbp:~$ dpkg -L bcmwl-kernel-source
> /.
> /usr
> /usr/src
> /usr/src/bcmwl-5.100.82.38+bdcom
> /usr/src/bcmwl-5.100.82.38+bdcom/lib
> /usr/src/bcmwl-5.100.82.38+bdcom/lib/wlc_hybrid.o_shipped_x86_64
> /usr/src/bcmwl-5.100.82.38+bdcom/lib/LICENSE.txt
> /usr/src/bcmwl-5.100.82.38+bdcom/src
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/proto
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/proto/wpa.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/proto/ethernet.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/proto/bcmevent.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/proto/bcmeth.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/proto/802.1d.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/proto/802.11.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/linuxver.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/bcmwifi.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/pcicfg.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/bcmendian.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/bcmcdc.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/bcmutils.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/bcmdefs.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/epivers.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/packed_section_end.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/typedefs.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/osl.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/wlioctl.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/linux_osl.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/include/packed_section_start.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/shared
> /usr/src/bcmwl-5.100.82.38+bdcom/src/shared/linux_osl.c
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wlc_key.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wl_linux.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wlc_types.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wl_linux.c
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wlc_pub.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wl_iw.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wl_iw.c
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wl_export.h
> /usr/src/bcmwl-5.100.82.38+bdcom/src/wl/sys/wl_dbg.h
> /usr/src/bcmwl-5.100.82.38+bdcom/Makefile
> /usr/src/bcmwl-5.100.82.38+bdcom/dkms.conf
> /usr/src/bcmwl-5.100.82.38+bdcom/patches
> /usr/src/bcmwl-5.100.82.38+bdcom/patches/0001-MODULE_LICENSE.patch
> /usr/src/bcmwl-5.100.82.38+bdcom/patches/0002-Makefile.patch
> /usr/src/bcmwl-5.100.82.38+bdcom/patches/0003-Make-up-for-missing-init_MUTEX.patch
> /usr/share
> /usr/share/doc
> /usr/share/doc/bcmwl-kernel-source
> /usr/share/doc/bcmwl-kernel-source/copyright
> /usr/share/doc/bcmwl-kernel-source/changelog.Debian.gz
>
> So it looks like it's all in /usr/srv/bcmwl*
>
>
> alan at mbp:~$ ls -l /usr/src/bcmwl-5.100.82.38+bdcom/
> total 20
> -rw-r--r-- 1 root root  364 2011-06-01 19:35 dkms.conf
> drwxr-xr-x 2 root root 4096 2011-09-27 20:20 lib
> -rw-r--r-- 1 root root 1134 2010-12-15 02:01 Makefile
> drwxr-xr-x 2 root root 4096 2011-09-27 20:20 patches
> drwxr-xr-x 5 root root 4096 2011-09-27 20:20 src
>
> Looks good.
>
> Al.
Thanks