M7350/external/compat-wireless/scripts/modlib.sh
2024-09-09 08:57:42 +00:00

88 lines
2.5 KiB
Bash
Executable File

#!/bin/bash
#
# Copyright 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
#
# You can use these to enable/disable modules without blacklisting them
# Make sure our imporant paths are included
PATH=$PATH:/usr/sbin:/sbin
# Appended to module file at the end when we want to ignore one
IGNORE_SUFFIX=".ignore"
VER=`uname -r`
# If 'module' is found, its renamed to 'module.ignore'
function module_disable {
# Basic check to see if this is a module available for loading
MODULE_CHECK=`modprobe -l $1`
if [ -z $MODULE_CHECK ]; then
echo "Module $1 not detected -- this is fine"
return
fi
MODULE=$1
MODULE_KO=${MODULE}.ko
# In case there are more than one of these modules. This can
# happen, for example if your distribution provides one and you have
# compiled one in yourself later.
MODULE_COUNT=`find /lib/modules/$VER/ -name $MODULE_KO | wc -l`
ALL_MODULES=`find /lib/modules/$VER/ -name $MODULE_KO`
COUNT=1
CHECK=`modprobe -l $MODULE`
for i in $ALL_MODULES; do
if [[ $MODULE_COUNT -gt 1 ]]; then
if [[ $COUNT -eq 1 ]]; then
echo -en "$MODULE_COUNT $MODULE modules found "
echo -e "we'll disable all of them"
fi
echo -en "Disabling $MODULE ($COUNT) ..."
else
echo -en "Disabling $MODULE ..."
fi
mv -f $i ${i}${IGNORE_SUFFIX}
depmod -ae
CHECK_AGAIN=`modprobe -l $MODULE`
if [ "$CHECK" != "$CHECK_AGAIN" ]; then
echo -e "\t[OK]\tModule disabled:"
echo "$CHECK"
else
echo -e "[ERROR]\tModule is still being detected:"
echo "$CHECK"
fi
let COUNT=$COUNT+1
done
}
# If 'module.ignore' is found, rename it back to 'module'
function module_enable {
MODULE=$1
MODULE_KO=${MODULE}.ko
IGNORED_MODULE=${MODULE_KO}${IGNORE_SUFFIX}
# In case there are more than one of these modules. This can
# happen, for example if your distribution provides one and you have
# compiled one in yourself later.
ALL_MODULES=`find /lib/modules/$VER/ -name $IGNORED_MODULE`
for i in $ALL_MODULES; do
echo -en "Enabling $MODULE ..."
DIR=`dirname $i`
mv $i $DIR/$MODULE_KO
depmod -ae
CHECK=`modprobe -l $MODULE`
if [ "$DIR/$MODULE_KO" != $CHECK ]; then
if [ -z $CHECK ]; then
echo -e "\t[ERROR]\tModule could not be enabled"
else
echo -en "\t[OK]\tModule renamed but another "
echo "module file is being preferred"
echo -e "Renamed module:\t\t$DIR/$MODULE_KO"
echo -e "Preferred module:\t$CHECK"
fi
else
echo -e "\t[OK]\tModule enabled: "
echo "$DIR/$MODULE_KO"
fi
# Lets only do this for the first module found
break
done
}