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Line 469... Line 469...
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# load network modules, if NFSROOT is set
 470 
# load network modules, if NFSROOT is set
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# Urs Beyerle, PSI
 471 
# Urs Beyerle, PSI
472 
#
 472 
#
473 
 
 473 
 
474 
# 1. load network driver defined by kernel parameter nic
 474 
# network devices found ?
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#
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#
476 
load_network_module_nic()
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found_nic()
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{
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{
- 
 
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    found="1"
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    if [ -n "$NIC" ] && [ "$NIC" != "auto" ]; then
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    for iface in eth0 eth1 eth2 eth3 eth4 eth5; do
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	echolog "load module $NIC"
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	# nic already found ?
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 481 
	echo $FOUND_IFACE | grep -q $iface
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	modprobe_module $NIC
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	if [ $? -ne 0 ]; then
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        # FOUND_NIC="yes" # we are not yet sure ;-)
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	    ifconfig $iface > /dev/null 2>&1
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	    if [ $? -eq 0 ]; then
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		FOUND_IFACE="$FOUND_IFACE $iface"
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		found="0"
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	    fi
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    fi
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	fi
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    done
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    return $found
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}
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}
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 492 
 
485 
# 2. detecting network card from pcitable list
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# 1. load network driver defined by kernel parameter nic
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#
 494 
#
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load_network_module_pcitable()
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load_network_module_nic()
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{
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{
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    PCITABLE=/bin/pcitable
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    NIC="`cmdline_value nic`"
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    NICS=`lspci -n | awk '/Class 0200/ {print $4}' | tr ':' ' ' \
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	| while read x y ; do grep "0x$x.*0x$y" $PCITABLE \
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	| awk '$3 !~ /"unknown"/ {print $3}' | tr -d '"' ; done`
 - 
 
493
- 
 
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    if [ -n "$NICS" ]; then
 498 
    if [ -n "$NIC" ]; then
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	echolog "found network card(s): $NICS"
 - 
 
496 
	for driver in $NICS; do
 - 
 
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	    echolog "load module $driver"
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	echolog "load module $NIC"
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	    modprobe_module $driver
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	modprobe_module $NIC
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	    FOUND_NIC="$driver"
 - 
 
500 
	done
 - 
 
501 
    fi
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    fi
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}
 502 
}
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 503 
 
504 
found_nic()
 - 
 
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{
 - 
 
506 
    for iface in eth0 eth1 eth2 eth3; do
 - 
 
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	ifconfig $iface > /dev/null 2>&1
 - 
 
508 
	if [ $? -eq 0 ]; then  FOUND_NIC="yes"; break; fi
 - 
 
509 
    done
 - 
 
510 
}
 - 
 
511 
 
 504 
 
512 
# 3. probe for more network card drivers, if no ethX devices found
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# 2. auto probe for network card drivers
513 
#
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#
514 
load_network_module_auto()
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load_network_module_auto()
515 
{
 508 
{
516 
    echolog "auto-detection of network driver ..."
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    echolog "auto-detection of network driver ..."
- 
 
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    FOUND_NICS=""
517 
    KERNEL="`uname -r`"
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    KERNEL="`uname -r`"
518 
    NETDRIVERS="`find /lib/modules/$KERNEL/kernel/drivers/net | grep -v mii | grep .ko | cut -d"/" -f8 | cut -d"." -f1 | uniq`"
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    NETDRIVERS="`find /lib/modules/$KERNEL/kernel/drivers/net | grep -v mii | grep .ko | cut -d"/" -f8 | cut -d"." -f1 | uniq`"
519 
    for driver in $NETDRIVERS; do
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    for driver in $NETDRIVERS; do
520 
	modprobe_module $driver > /dev/null 2>&1
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	modprobe_module $driver > /dev/null 2>&1
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	for iface in eth0 eth1 eth2 eth3; do
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	    ifconfig $iface > /dev/null 2>&1
 515 
	found_nic
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	    if [ $? -eq 0 ]; then
516 
	if [ $? -eq 0 ]; then
524 
		echolog "load $driver"
 517 
	    echolog "found network card $driver"
525 
		# tr brocken in busybox
 518 
	    echolog "load module $driver"
526 
		# FOUND_NIC="`echo $driver | tr '-' '_'`"
 519 
	    FOUND_NICS="$FOUND_NICS $driver"
527 
		FOUND_NIC="`echo $driver | cut -d"-" -f1`"
 - 
 
528 
		break 2
 - 
 
529 
	    fi
 - 
 
530 
	done
 520 
	else
531 
	rmmod $driver > /dev/null 2>&1
 521 
	    rmmod $driver > /dev/null 2>&1
- 
 
 522 
	fi
532 
    done
 523 
    done
533 
 
 524 
 
534 
    # clean up: remove unused modules until driver "mii"
 525 
    # clean up: remove unused modules until driver "mii"
535 
    LOADED_DRIVERS="`lsmod | grep -v Module | grep -v $FOUND_NIC | cut -d" " -f1`"
 526 
    LOADED_DRIVERS="`lsmod | grep -v Module | cut -d" " -f1`"
536 
    for driver in $LOADED_DRIVERS; do
 527 
    for driver in $LOADED_DRIVERS; do
537 
	[ "$driver" = "mii" ]  && break
 528 
	[ "$driver" = "mii" ]  && break
538 
	[ "$driver" = "ntfs" ] && break
 529 
	[ "$driver" = "ntfs" ] && break
539 
	[ "$driver" = "vfat" ] && break
 530 
	[ "$driver" = "vfat" ] && break
- 
 
 531 
	do_not_remove=""
- 
 
 532 
	for nic in $FOUND_NICS; do
- 
 
 533 
	    echo $driver | grep -q $nic
- 
 
 534 
	    [ $? -eq 0 ] && do_not_remove="$driver"
- 
 
 535 
	done
540 
	rmmod $driver > /dev/null 2>&1
 536 
	[ ! $do_not_remove ] && $rmmod $driver > /dev/null 2>&1
- 
 
 537 
    done
- 
 
 538 
}
- 
 
 539 
 
- 
 
 540 
# 3. detecting network card from pcitable list
- 
 
 541 
#
- 
 
 542 
load_network_module_pcitable()
- 
 
 543 
{
- 
 
 544 
    PCITABLE=/bin/pcitable
- 
 
 545 
    NICS=`lspci -n | awk '/Class 0200/ {print $4}' | tr ':' ' ' \
- 
 
 546 
	| while read x y ; do grep "0x$x.*0x$y" $PCITABLE \
- 
 
 547 
	| awk '$3 !~ /"unknown"/ {print $3}' | tr -d '"' ; done`
- 
 
 548
- 
 
 549 
    if [ -n "$NICS" ]; then
- 
 
 550 
	echolog "found network card(s): $NICS"
- 
 
 551 
	for driver in $NICS; do
- 
 
 552 
	    echolog "load module $driver"
- 
 
 553 
	    modprobe_module $driver
541 
    done
 554 
	done
- 
 
 555 
    fi
542 
}
 556 
}
543 
 
 557 
 
544 
# 4. ask the user for a network driver
 558 
# 4. ask the user for a network driver
545 
#
 559 
#
546 
load_network_module_ask()
 560 
load_network_module_ask()
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556 
 
 570 
 
557 
# Try to find a network driver
 571 
# Try to find a network driver
558 
#
 572 
#
559 
load_network_modules()
 573 
load_network_modules()
560 
{
 574 
{
561 
    # mii maybe need by NIC
 575 
    # mii maybe need by NIC driver
562 
    echolog "load module mii"
 - 
 
563 
    modprobe_module mii
 576 
    modprobe_module mii
564 
 
 577 
 
565 
    FOUND_NIC=""
 578 
    FOUND_IFACE=""
566 
    NIC="`cmdline_value nic`"
 - 
 
567 
    load_network_module_nic
 579 
    load_network_module_nic
568 
    [ "$NIC" != "auto" ] && load_network_module_pcitable
 580 
    found_nic || load_network_module_auto
569 
    found_nic
 - 
 
570 
    [ -z $FOUND_NIC ] && load_network_module_auto
 581 
    found_nic || load_network_module_pcitable
571 
    [ -z $FOUND_NIC ] && load_network_module_ask
 582 
    found_nic || load_network_module_ask
572 
 
 583 
 
573 
    # remove mii, if not needed
 584 
    # remove mii, if not needed
574 
    rmmod mii > /dev/null 2>&1
 585 
    rmmod mii > /dev/null 2>&1
575 
}
 586 
}
576 
 
 587 
 
- 
 
 588 
 
577 
# get DHCP lease
 589 
# get DHCP lease
578 
# Urs Beyerle, PSI
 590 
# Urs Beyerle, PSI
579 
#
 591 
#
580 
get_dhcp_lease()
 592 
get_dhcp_lease()
581 
{
 593 
{
582 
    # create /dev/urandom (needed by udhcpc)
 594 
    # create /dev/urandom (needed by udhcpc)
583 
    mknod /dev/urandom c 1 9
 595 
    mknod /dev/urandom c 1 9
- 
 
 596 
 
584 
    for iface in eth0 eth0 eth1 eth1; do
 597 
    for iface in eth0 eth1 eth2 eth3 eth4 eth5; do
- 
 
 598 
	# interface up ?
- 
 
 599 
	ifconfig $iface > /dev/null 2>&1
- 
 
 600 
	if [ $? -eq 0 ]; then
- 
 
 601 
	    # try twice to get dhcp lease
- 
 
 602 
	    for i in 1 2; do
585 
	echolog "Try to get DHCP lease on $iface"
 603 
		echolog "${i}. Try to get DHCP lease on $iface"
586 
	udhcpc --now --quit --interface=$iface --script=/bin/udhcpc.script
 604 
		udhcpc --now --quit --interface=$iface --script=/bin/udhcpc.script
587 
	[ $? -eq 0 ] && return
 605 
		[ $? -eq 0 ] && return
588 
	echo "ERROR: couldn't get DHCP lease, trying again"
 606 
		echo "ERROR: couldn't get DHCP lease on $iface."
- 
 
 607 
	    done
- 
 
 608 
	fi
589 
    done
 609 
    done
590 
    echo "ERROR: can't get DHCP lease on eth0 and eth1"
 - 
 
591 
}
 610 
}
592 
 
 611