BroadcomStartup

#!/bin/bash
# 
# It was changed by: kachnu
# email: ya.kachnu@gmail.com

version="BroadcomStartup-1.4 (Jun. 28, 2016) - was changed by kachnu"

show_help () {
	echo "$help_text"
	exit 0
}

show_version () {
	echo "$version"
	exit 0
}

help_text="
	Usage: `basename $0 | cut -f1 -d_`

	The `basename $0 | cut -f1 -d_` script removes the b43, b43legacy and b44 blacklist entries
	for Broadcom devices known not to work with the broadcom-sta wl module.

	With the exception of the --help and --version options, the `basename $0 | cut -f1 -d_`
	script takes no arguments.


	valid options:

		-h, --help	show this help text

		-v, --version	display the version information

"

while [[ $1 == -* ]]; do
	case "$1" in

		-h|--help)
			show_help ;;

		-v|--version)
			show_version ;;

		*)
			echo "invalid option: $1"
			echo "Try:  $0 -h for full help."
			exit 1 ;;
    esac
done

# Check that user is root.
if [ $(id -u) -ne 0 ]
  then echo "Start $0 with root"
       sudo $0 $1
       exit 1
fi

b43Unblacklist()
{
if [ -f /etc/modprobe.d/broadcom-sta-dkms.conf ]; then
  sed -i 's/blacklist wl$//;s/#blacklist ssb/blacklist ssb/;s/#blacklist b44/blacklist b44/;s/#blacklist b43legacy/blacklist b43legacy/;s/#blacklist bcma/blacklist bcma/;s/#blacklist b43/blacklist b43/' /etc/modprobe.d/broadcom-sta-dkms.conf
  sed -i 's/blacklist b43$/#blacklist b43/;s/blacklist bcma/#blacklist bcma/;s/blacklist ssb/#blacklist ssb/' /etc/modprobe.d/broadcom-sta-dkms.conf
  sed -i -e "\$ablacklist wl" /etc/modprobe.d/broadcom-sta-dkms.conf

  [ -x /etc/init.d/network-manager ] && service network-manager stop
  modprobe -r wl cfg80211 b44 b43legacy brcmsmac
  modprobe b43
  [ -x /etc/init.d/network-manager ] && service network-manager start
  sleep 2  #(small delay and the networks show up)
  pkill wpa_supplicant

fi
}

b43legacyUnblacklist()
{
if [ -f /etc/modprobe.d/broadcom-sta-dkms.conf ]; then
  sed -i 's/blacklist wl$//;s/#blacklist ssb/blacklist ssb/;s/#blacklist b44/blacklist b44/;s/#blacklist b43legacy/blacklist b43legacy/;s/#blacklist bcma/blacklist bcma/;s/#blacklist b43/blacklist b43/' /etc/modprobe.d/broadcom-sta-dkms.conf
  sed -i 's/blacklist b43legacy$/#blacklist b43legacy/;s/blacklist ssb/#blacklist ssb/' /etc/modprobe.d/broadcom-sta-dkms.conf
  sed -i -e "\$ablacklist wl" /etc/modprobe.d/broadcom-sta-dkms.conf

  [ -x /etc/init.d/network-manager ] && service network-manager stop
  modprobe -r wl cfg80211 b44 b43 brcmsmac bcma
  modprobe b43legacy
  [ -x /etc/init.d/network-manager ] && service network-manager start
  sleep 2  #(small delay and the networks show up)
  pkill wpa_supplicant

fi
}
 
b44Unblacklist()
{
if [ -f /etc/modprobe.d/broadcom-sta-dkms.conf ]; then
  sed -i 's/blacklist wl$//;s/#blacklist ssb/blacklist ssb/;s/#blacklist b44/blacklist b44/;s/#blacklist b43legacy/blacklist b43legacy/;s/#blacklist bcma/blacklist bcma/;s/#blacklist b43/blacklist b43/' /etc/modprobe.d/broadcom-sta-dkms.conf
  sed -i 's/blacklist b44$/#blacklist b44/;s/blacklist ssb/#blacklist ssb/' /etc/modprobe.d/broadcom-sta-dkms.conf
  sed -i -e "\$ablacklist wl" /etc/modprobe.d/broadcom-sta-dkms.conf

  [ -x /etc/init.d/network-manager ] && service network-manager stop

  modprobe b44
  [ -x /etc/init.d/network-manager ] && service network-manager start
  sleep 2  #(small delay and the networks show up)
  pkill wpa_supplicant

fi
}

wlUnblacklist()
{
if [ -f /etc/modprobe.d/broadcom-sta-dkms.conf ]; then
  sed -i 's/blacklist wl$//;s/#blacklist ssb/blacklist ssb/;s/#blacklist b44/blacklist b44/;s/#blacklist b43legacy/blacklist b43legacy/;s/#blacklist bcma/blacklist bcma/;s/#blacklist b43/blacklist b43/' /etc/modprobe.d/broadcom-sta-dkms.conf

  [ -x /etc/init.d/network-manager ] && service network-manager stop
  modprobe -r b44 b43 b43legacy ssb brcmsmac bcma
  modprobe wl cfg80211
  [ -x /etc/init.d/network-manager ] && service network-manager start
  sleep 2  #(small delay and the networks show up)
  pkill wpa_supplicant

fi
}

if [ -e /etc/bcm-ckd ]; then
  :

else
  
  DEV_BC=""
  
  # touch /etc/bcm-ckd

  #test to see if a broadcom wireless internet device is present
  lspci -n | grep -E -q '^[^[:space:]]+\.0[[:space:]]+(0280)+(:)+[[:space:]]+(14e4)'
  if [ "$?" -eq 0 ]; then
    DEV_BC=$(lspci -n | grep -E '^[^[:space:]]+\.0[[:space:]]+(0280)+(:)+[[:space:]]+(14e4)' | grep -Eio '[a-f0-9]{4}:[a-f0-9]{4}' | grep -Eio [a-f0-9]{4}$ | tr '[A-Z]' '[a-z]')
    echo "Find broadcom wireless ID - $DEV_BC"
    case $DEV_BC in

      4307|4318|4319|4321|4322|4350|43a9|43aa|a8d6|a8db) b43Unblacklist
                                                         ;;

                                         4311|4312|4328) b43Unblacklist
                                                         ;;

                                         4301|4306|4325) b43legacyUnblacklist
                                                         ;;

                                                   4320) #test to see if BCM4306/2 or BCM4306/3

                                                         #assuming that the first line of the lspci -vnn report for a BCM4306/2 device ends with "(rev 02)", can someone verify?
                                                         lspci -vnn -d 14e4:4320 | head -n1 | cut -f2- -d] | cut -c3- | grep -q BCM4306.*"(rev 02)$"
                                                         if [ "$?" -eq 0 ]; then
                                                           b43legacyUnblacklist
                                                         fi

                                                         #assuming that the first line of the lspci -vnn report for a BCM4306/3 device ends with "(rev 03)", can someone verify?
                                                         lspci -vnn -d 14e4:4320 | head -n1 | cut -f2- -d] | cut -c3- | grep -q BCM4306.*"(rev 03)$"
                                                         if [ "$?" -eq 0 ]; then
                                                           b43Unblacklist
                                                         fi
                                                         ;;

                                                   4324) #test to see if BCM4306 or BCM4306/6

                                                         #assuming that the first line of the lspci -vnn report for a BCM4306 device ends with "[14e4:4324]", can someone verify?
                                                         lspci -vnn -d 14e4:4324 | head -n1 | cut -f2- -d] | cut -c3- | grep -q BCM4306.*"\[14e4:4324\]$"
                                                         if [ "$?" -eq 0 ]; then
                                                           b43legacyUnblacklist
                                                         fi

                                                         #assuming that the first line of the lspci -vnn report for a BCM4306/6 device ends with "(rev 06)", can someone verify?
                                                         lspci -vnn -d 14e4:4324 | head -n1 | cut -f2- -d] | cut -c3- | grep -q BCM4306.*"(rev 06)$"
                                                         if [ "$?" -eq 0 ]; then
                                                           b43Unblacklist
                                                         fi
                                                         ;;
                                                      *) #misc type of broadcom device, set default - wl
                                                         wlUnblacklist
                                                         ;;
    esac
  else
    #broadcom wireless device not found, so do nothing
    :
  fi

  #test to see if a broadcom wired internet device is present
  lspci -n | grep -E -q '^[^[:space:]]+\.0[[:space:]]+(0200)+(:)+[[:space:]]+(14e4)'
  if [ "$?" -eq 0 ]; then
    DEV_BC=$(lspci -n | grep -E '^[^[:space:]]+\.0[[:space:]]+(0200)+(:)+[[:space:]]+(14e4)' | grep -Eio '[a-f0-9]{4}:[a-f0-9]{4}' | grep -Eio [a-f0-9]{4}$ | tr '[A-Z]' '[a-z]')
    echo "Find broadcom wireless ID - $DEV_BC"
    case $DEV_BC in

                                         170c|4401|4402) b44Unblacklist
                                                         ;;

                                                      *) #misc type of broadcom device, set default - wl
                                                         wlUnblacklist
                                                         ;;
    esac
  else
    #broadcom wired internet device not found, so do nothing
    :
  fi
  
  if [[ $DEV_BC == "" ]]
         then echo "There are no changes!"
  fi

sleep 2

fi