#! /bin/sh
#----------------------------------------------------------------------------
# /etc/init.d/eth - configuration of your ethernet card
#
# Creation:     2001-10-15  fm
# Last Update:  $Id$
#
# Copyright (c) 2001-2012 the eisfair team, team(at)eisfair(dot)org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------
script='eth:'

. /etc/init.d/functions
. /etc/config.d/base

if [ "$ETH_DO_DEBUG" = yes ]
then
    set -x
fi

kernel_version=`uname -r`
# ---------------------------------------------------------------------------
# show mapping message only on start
# ---------------------------------------------------------------------------
show_mapping_msg ()
{
    _job=${1}
    _drv_old=${2}
    drv=${3}

    case ${_job} in
    start)
        echo "Mapping ethernet driver ${_drv_old} to ${drv} ..."
        ;;
    esac
}
# ---------------------------------------------------------------------------
# drv mapping
# ---------------------------------------------------------------------------
drv_mapping ()
{
    _job=${1}

    case "${kernel_version}" in
        2.4.26*)
            case ${drv} in
                rtl8139-orig)
                    _old_drv_=${drv}
                    drv=8139too
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
                via-rhine)
                    _old_drv_=${drv}
                    drv=rhinefet
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;  # fm: via-rhine crashes kernel
            esac
        ;;
        2.4.35*)
            case ${drv} in
                "rtl8139"|"rtl8139-orig")
                    _old_drv_=${drv}
                    drv=8139too
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
                ns820)
                    _old_drv_=${drv}
                    drv=ns83820
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
                intel-gige)
                    _old_drv_=${drv}
                    drv=e1000
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
                myson803)
                    _old_drv_=${drv}
                    drv=fealnx
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
            esac
        ;;
        2.6.32-*)
            case ${drv} in
                eepro100)
                    _old_drv_=${drv}
                    drv=e100
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
                e1000old)
                    _old_drv_=${drv}
                    drv=e1000
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
                "r1000"|"r8101"|"r8168")
                    _old_drv_=${drv}
                    drv=r8169
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
                velocityget)
                    _old_drv_=${drv}
                    drv=via-velocity
                    show_mapping_msg ${_job} ${_old_drv_} ${drv}
                ;;
            esac
        ;;
    esac
}
# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------
case $1 in
    start)
        boot_mesg " * Loading ethernet drivers ..."
        idx=1

        case "$kernel_version" in
            2.2.*)
                insmod 8390 2>/dev/null
                insmod pci-scan 2>/dev/null
            ;;
        esac

        while [ "$idx" -le "$ETH_DRV_N" ]
        do
            eval drv='$ETH_DRV_'$idx
            eval opt='$ETH_DRV_'$idx'_OPTION'

            case $drv in
                *_cs)
                    echo "Ethernet driver $drv should be loaded by pcmcia cardmgr in a few seconds ..."
                ;;
                *)
                    case "$kernel_version" in
                        2.2.*)
                            insmod $drv $opt
                            rtc=$?
                        ;;
                        *)
                            drv_mapping "start"
                            modprobe $drv $opt
                            rtc=$?

                            if [ $rtc != 0 -a "$opt" != "" ]
                            then
                                echo "Loading of ethernet driver $drv failed, trying again without options ..."
                                modprobe $drv   # some drivers (e.g. ne.o) don't want options anymore
                                rtc=$?
                            fi
                        ;;
                    esac

                    if [ $rtc != 0 ]
                    then
                        echo $script" Ethernet driver $drv $opt failed!" >>/bootmsg.txt
                    fi
                ;;
            esac

            idx=`/usr/bin/expr $idx + 1`
        done
        evaluate_retval
    ;;
    stop)
        boot_mesg " * Unloading ethernet drivers ..."
        idx=1

        while [ "$idx" -le "$ETH_DRV_N" ]
        do
            eval drv='$ETH_DRV_'$idx

            case $drv in
                *_cs)
                    :
                ;;
                *)
                    case "$kernel_version" in
                        2.2.*)
                            rmmod $drv
                        ;;
                        2.4.35-wt*)
                            drv_mapping
                            case $drv in
                                "e1000"|"e1000e")
                                    # only unload old modules, new modules must keep loaded for wol
                                    kerneldate=`uname -v | awk '{print $(NF-5), $(NF-4), $(NF-3), $(NF-2), $(NF-1), $NF}'`
                                    if [ "`date -d "$kerneldate" +%s`" -lt 1250388457 ]
                                    then
                                        rmmod $drv 2>/dev/null
                                    else
                                        echo "Don't unloading ethernet driver $drv for wake on lan ..."
                                    fi
                                ;;
                                *)
                                    rmmod $drv 2>/dev/null
                                ;;
                            esac
                        ;;
                        2.6.32-*)
                            drv_mapping
                            case $drv in
                                "e100"|"e1000"|"e1000e")
                                    # modules must keep loaded for wol
                                    echo "Don't unloading ethernet driver $drv for wake on lan ..."
                                ;;
                                *)
                                    rmmod $drv 2>/dev/null
                                ;;
                            esac
                        ;;
                        *)
                            drv_mapping
                            rmmod $drv 2>/dev/null
                        ;;
                    esac
                ;;
            esac
               idx=`/usr/bin/expr $idx + 1`
        done

        case "$kernel_version" in
            2.2.*)
                rmmod pci-scan 2>/dev/null
                rmmod 8390 2>/dev/null
            ;;
        esac
        evaluate_retval
    ;;
esac

set +x