xcat-core/xCAT-nbroot/overlay/etc/init.d/S10autodetect

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#!/bin/sh
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
nic=0
hba=0
MOD=""
NICSTOWAIT=""
touch /etc/motd
echo "cat /etc/motd" >> /etc/profile
#Load common usb drivers
modprobe ohci-hcd
modprobe uhci-hcd
modprobe ehci-hcd
for d in /proc/sys/net/ipv4/conf/*; do
echo 1 > $d/arp_filter
echo 1 > $d/arp_ignore
done
for i in $(lspci -n | awk '{print $1 "%" $3}')
do
PCI=$(echo $i | awk -F% '{print $1}')
VID="0x0000$(echo $i | awk -F% '{print $2}' |awk -F: '{print $1}')"
DID="0x0000$(echo $i | awk -F% '{print $2}' |awk -F: '{print $2}')"
if egrep "^[^ ]*[ ]*$VID[ ]*$DID" /lib/modules/`uname -r`/modules.pcimap >/dev/null
then
TYPE=$(
lspci | \
grep "^$PCI " | \
awk '{print $2}' | \
tr '[A-Z]' '[a-z]'
)
DESC=$(
lspci | \
grep "^$PCI " | \
awk -F: '{print $3}' | \
sed 's/^ *//'
)
MOD=$(
egrep "^[^ ]*[ ]*$VID[ ]*$DID" /lib/modules/`uname -r`/modules.pcimap | \
head -1 | \
awk '{print $1}' | \
tr -d '"'
)
case "$TYPE" in
ethernet|network)
echo "Found ($MOD) $DESC"
GOTNIC=1
if [ "$MOD" = "gm" ]
then
echo "alias myri0 $MOD"
echo "alias myri0 $MOD" >>/etc/modules.conf
echo "alias myri0 $MOD" >>/etc/modprobe.conf
else
modprobe $MOD
if [ "mlx4_core" = "$MOD" ]; then
modprobe mlx4_en
fi
fi
;;
scsi|raid)
echo "Found ($MOD) $DESC"
GOTHBA=1
modprobe $MOD & #We background so that messed up SANs don't stop shell
modprobe sd_mod
modprobe scsi_mod
hba=$(($hba + 1))
;;
*)
continue
;;
esac
fi
done
NEEDVETH=0;
for dir in /proc/device-tree/vdevice/l-lan*; do
if [ -d $dir ]; then NEEDVETH=1; fi
done
if [ $NEEDVETH = 1 ]; then
modprobe ibmveth
fi
NEEDEHEA=0;
for dir in /proc/device-tree/lhea*; do
if [ -d $dir ]; then NEEDEHEA=1; fi
done
if [ $NEEDEHEA = 1 ]; then
modprobe ehea
fi
NICSTOWAIT=`/sbin/ifconfig -a|grep HWaddr|grep ^eth|sed -e 's/ .*//'`
#run udhcpc in two ways, to flush out leases with uid and leases without uid, and actually use the results of the more 'linux-like' lease, either way, on exit will release all to hold no leases
for nic in $NICSTOWAIT; do
touch /tmp/ignorenic.$nic
ifconfig $nic up
(udhcpc -i $nic -R;kill `ps axf|grep "udhcpc -i $nic -R"|awk '{print $1}'`; sleep 1; rm /tmp/ignorenic.$nic; udhcpc -i $nic -R -C) &
done
extrat=0
until [ $extrat = 80 -o -z "$NICSTOWAIT" ]; do
sleep 1
extrat=$(($extrat+1))
for nic in $NICSTOWAIT; do
if [ ! -f /tmp/ignorenic.$nic ] && ifconfig $nic|grep "inet addr"; then
NICSTOWAIT=`echo $NICSTOWAIT|sed -e s/$nic//`
if [ $extrat -gt 45 ]; then
echo "Warning: $nic took more than 45 seconds to receive DHCP reply, spanning-tree may not be configured well, examine switch configuration" >> /etc/motd
echo "Warning: $nic took more than 45 seconds to receive DHCP reply, spanning-tree may not be configured well, examine switch configuration"
fi
elif [ $extrat = 15 ]; then
if ethtool $nic | grep "Link detected: no"; then
echo "$nic did not have any link when bringing up network"
echo "$nic did not have any link when bringing up network" >> /etc/motd
NICSTOWAIT=`echo $NICSTOWAIT|sed -e s/$nic//`
fi
fi
done
done
if [ ! -z "$NICSTOWAIT" ]; then
echo "Warning: the following network devices appeared to be connected to networks, but received no DHCP response: $NICSTOWAIT" >> /etc/motd
echo "Warning: the following network devices appeared to be connected to networks, but received no DHCP response: $NICSTOWAIT"
fi