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@dbanck dbanck/switchmods.sh forked from Ahtenus/switchmods
Created Feb 14, 2012

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Updated version of switchmods
#!/bin/bash
#
# DESCRIPTION
#
# This is a script to automate the switch from r8169 to r8168.
#
# AUTHORSHIP
# Jameson Williams
# www.jamesonwilliams.com
#
# CHANGELOG
#
# May 16, 2008: Corrected a typo on line 43 which prevented the r8169
# module from being renamed. Thanks to linuxnotes.blogspot.com
# for spotting it.
#
# Jun 1, 2008: Added a bunch of checks to beef up the script a bit.
# Removed all reliance upon the internet, as it is more than
# likely the case that this script is being run without
# connectivity. Added better output in case of failures.
#
# Jun 2, 2008: Simplified many of the if statements to simpler checks.
# Added a few more, and created the die() function.
#
# Jun 4, 2008: Moved the stuff to removfe r8169 to the beginning. This
# makes the depmod command behave correctly, finally! Also fixed
# the insmod check so that it no longer incorrectly dies. (Good
# news!) Updated the die command to delete rogue $TMP folders in
# case the script dies before completion. Also added more output
# to help with debugging.
#
# Aug 13, 2008: Updated the code to work with version 8.008.00 of the
# Realtek driver. The new code no longer needs to be patched,
# which was sort of the *magic* of the previous versions of this
# script. Still a useful quick-fix script, though.
#
# Nov 7, 2008: Updated package for 8.009.00
#
# Aug 17, 2009: Updated package for 8.013.00, added a .ko, etc.
#
# Oct 18, 2009: Updated package for 8.0.14.00, including a patch for
# kernels >= 2.6.31.
#
# Oct 26, 2011: Changed so that it works for linux 3.0 (Ahtenus)
#
# Feb 14, 2012: Updated to latest version
#
VERSION=r8168-8.028.00
# setup a temporary directory, and save some environmental infos
PREVWD=$(pwd)
RUNPATH=$(dirname $0)
TMP=$(mktemp -d)
MODULEPATH=/lib/modules/`uname -r`/kernel/drivers/net
PATCHFILE='rtl8168_v14_net_device_ops.patch'
function die {
# $1 is an error message to print to stderr.
echo $1 1>&2;
if [[ -d $TMP ]]; then
rm -rf $TMP
fi
if [[ -f $MODULEPATH/r8169.ko.bak ]] && \
[[ ! -f $MODULEPATH/r8169.ko ]] && \
[[ $(id -u) -eq 0 ]]; then
cp $MODULEPATH/r8169.ko.bak $MODULEPATH/r8169.ko
fi
exit 1
}
# check to make sure that this is running as root!
[[ $(id -u) -eq 0 ]] || die "You must run this script as root."
echo "Attempting to remove running r8168 and r8169 modules if loaded..."
[[ $(lsmod | grep -c r8169) -eq 0 ]] || rmmod r8169
[[ $(lsmod | grep -c r8168) -eq 0 ]] || rmmod r8168
echo "Attempting to move $MODULEPATH/r8169.ko to $MODULEPATH/r8169.ko.bak."
[[ ! -f $MODULEPATH/r8169.ko ]] || \
mv $MODULEPATH/r8169.ko $MODULEPATH/r8169.ko.bak
echo "Blacklisting r8169 in /etc/modprobe.d/blacklist..."
if [[ $(grep -c "blacklist r8169" /etc/modprobe.d/blacklist.conf) -lt 1 ]]; then
echo -e "\nblacklist r8169\n" >> /etc/modprobe.d/blacklist.conf
fi
DRVFILE=${VERSION}.tar.bz2
echo "Creating a tmp dir in which to build the module..."
cp "$RUNPATH"/"$DRVFILE" $TMP
cd $TMP
tar xjf "$DRVFILE"
cd ./${VERSION}/src
echo -n "Checking for gcc and linux-headers-$(uname -r)..."
[[ $(dpkg -l | grep -c linux-headers-$(uname -r )) -gt 0 ]] || \
die "You need to install package linux-headers-$(uname -r )."
[[ $(dpkg -l | grep -c gcc) -gt 0 ]] || \
die "You need to install the GNU C Compiler."
echo -e "\tOK"
echo -n "Attempting to build the module..."
{
patch < $PREVWD/$PATCHFILE
cd ..
make clean
make modules
make install # this copies the module to the appropriate /lib/modules
# dir.
} &>/dev/null
[[ -f ./src/r8168.ko ]] || die "Could not build module."
echo -e "\tOK"
# The Autorun script creates the r8168.o file and that one will be used when rebuilding initrd
# This puts the one compiled with a patch in its place, and the new driver will be used after reboot as well
[[ -f ${MODULEPATH}/r8168.o ]] && mv ${MODULEPATH}/r8168.o ${MODULEPATH}/r8168.o.bak
[[ -f ${MODULEPATH}/r8168.ok ]] && mv ${MODULEPATH}/r8168.ok ${MODULEPATH}/r8168.ok.bak
mv ./src/r8168.ko ${MODULEPATH}/r8168.ko
# Let the OS know about the new module
depmod #update the modules.dep file
echo -n "Inserting the module into running kernel code..."
insmod ${MODULEPATH}/r8168.ko
[[ $? ]] || die "Failed to insert module."
echo -e "\tOK"
echo -n "Attempting to rebuild the initrd to include r8168 at boot..."
mv /boot/initrd.img-`uname -r` /boot/initrd.img-`uname -r`.bak
mkinitramfs -o /boot/initrd.img-$(uname -r) $(uname -r)
[[ $? ]] || die "Could not build initrd!"
echo -e "\tOK"
# remove tmp dir and go back home
cd $PREVWD
rm -r $TMP
echo -n "All done! You should now have a "
echo "working wired ethernet connection, persistant at boot."
exit 0
@jamesonwilliams

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jamesonwilliams commented Feb 17, 2012

dbank, thanks for adopting this, and posting it on github! - jameson

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