usr/src/cmd/svc/milestone/net-physical - illumos-gate - Gitiles

 #!/sbin/sh
 #
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
 # Common Development and Distribution License (the "License").
 # You may not use this file except in compliance with the License.
 #
 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 # or http://www.opensolaris.org/os/licensing.
 # See the License for the specific language governing permissions
 # and limitations under the License.
 #
 # When distributing Covered Code, include this CDDL HEADER in each
 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 # If applicable, add the following below this CDDL HEADER, with the
 # fields enclosed by brackets "[]" replaced with your own identifying
 # information: Portions Copyright [yyyy] [name of copyright owner]
 #
 # CDDL HEADER END
 #
 #
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
 # Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T.
 # All rights reserved.
 #

 . /lib/svc/share/smf_include.sh
 . /lib/svc/share/net_include.sh

 #
 # In a shared-IP zone we need this service to be up, but all of the work
 # it tries to do is irrelevant (and will actually lead to the service
 # failing if we try to do it), so just bail out.
 # In the global zone and exclusive-IP zones we proceed.
 #
 smf_configure_ip || exit $SMF_EXIT_OK

 # Make sure that the libraries essential to this stage of booting can be found.
 LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH

 smf_netstrategy

 if smf_is_globalzone; then
 	net_reconfigure || exit $SMF_EXIT_ERR_CONFIG

 	#
 	# Upgrade handling. The upgrade file consists of a series of dladm(1M)
 	# commands. Note that after we are done, we cannot rename the upgrade
 	# script file as the file system is still read-only at this point.
 	# Defer this to the manifest-import service.
 	#
 	upgrade_script=/var/svc/profile/upgrade_datalink
 	if [ -f "${upgrade_script}" ]; then
 		. "${upgrade_script}"
 	fi

 	#
 	# Bring up link aggregations and initialize security objects.
 	# Note that link property initialization is deferred until after
 	# IP interfaces are plumbed to ensure that the links will not
 	# be unloaded (and the property settings lost).
 	#
 	/sbin/dladm up-aggr
 	/sbin/dladm up-vlan
 	/sbin/dladm init-secobj
 	#
 	# Bring up VNICs
 	#
 	/sbin/dladm up-vnic
 	#
 	# Create flows via flowadm.
 	#
 	/sbin/flowadm init-flow
 fi

 #
 # If the system was net booted by DHCP, hand DHCP management off to the
 # DHCP agent (ifconfig communicates to the DHCP agent through the
 # loopback interface).
 #
 if [ -n "$_INIT_NET_IF" -a "$_INIT_NET_STRATEGY" = "dhcp" ]; then
 	/sbin/dhcpagent -a
 fi

 #
 # The network initialization is done early to support diskless and
 # dataless configurations.  For IPv4 interfaces that were configured by
 # the kernel (e.g.  those on diskless machines) and not configured by
 # DHCP, reset the netmask using the local "/etc/netmasks" file if one
 # exists, and then reset the broadcast address based on the netmask.
 #
 /sbin/ifconfig -auD4 netmask + broadcast +

 #
 # All the IPv4 and IPv6 interfaces are plumbed before doing any
 # interface configuration.  This prevents errors from plumb failures
 # getting mixed in with the configured interface lists that the script
 # outputs.
 #

 #
 # Get the list of IPv4 interfaces to configure by breaking
 # /etc/hostname.* into separate args by using "." as a shell separator
 # character.
 #
 interface_names="`echo /etc/hostname.*[0-9] 2>/dev/null`"
 if [ "$interface_names" != "/etc/hostname.*[0-9]" ]; then
 	ORIGIFS="$IFS"
 	IFS="$IFS."
 	set -- $interface_names
 	IFS="$ORIGIFS"
 	while [ $# -ge 2 ]; do
 		shift
 		intf_name=$1
 		while [ $# -gt 1 -a "$2" != "/etc/hostname" ]; do
 			intf_name="$intf_name.$2"
 			shift
 		done
 		shift

 	        read one rest < /etc/hostname.$intf_name
 		if [ "$one" = ipmp ]; then
 			ipmp_list="$ipmp_list $intf_name"
 		else
 			inet_list="$inet_list $intf_name"
 		fi
 	done
 fi

 #
 # Get the list of IPv6 interfaces to configure by breaking
 # /etc/hostname6.* into separate args by using "." as a shell separator
 # character.
 #
 interface_names="`echo /etc/hostname6.*[0-9] 2>/dev/null`"
 if [ "$interface_names" != "/etc/hostname6.*[0-9]" ]; then
 	ORIGIFS="$IFS"
 	IFS="$IFS."
 	set -- $interface_names
 	IFS="$ORIGIFS"
 	while [ $# -ge 2 ]; do
 		shift
 		intf_name=$1
 		while [ $# -gt 1 -a "$2" != "/etc/hostname6" ]; do
 			intf_name="$intf_name.$2"
 			shift
 		done
 		shift

 	        read one rest < /etc/hostname6.$intf_name
 		if [ "$one" = ipmp ]; then
 			ipmp6_list="$ipmp6_list $intf_name"
 		else
 			inet6_list="$inet6_list $intf_name"
 		fi
 	done
 fi

 #
 # Create all of the IPv4 IPMP interfaces.
 #
 if [ -n "$ipmp_list" ]; then
 	set -- $ipmp_list
 	while [ $# -gt 0 ]; do
 	    	if /sbin/ifconfig $1 ipmp; then
 			ipmp_created="$ipmp_created $1"
 		else
 			ipmp_failed="$ipmp_failed $1"
 		fi
 		shift
 	done
 	[ -n "$ipmp_failed" ] && warn_failed_ifs "create IPv4 IPMP" \
 	    "$ipmp_failed"
 fi

 #
 # Step through the IPv4 interface list and try to plumb every interface.
 # Generate list of plumbed and failed IPv4 interfaces.
 #
 if [ -n "$inet_list" ]; then
 	set -- $inet_list
 	while [ $# -gt 0 ]; do
 		/sbin/ifconfig $1 plumb
 		if /sbin/ifconfig $1 inet >/dev/null 2>&1; then
 			inet_plumbed="$inet_plumbed $1"
 		else
 			inet_failed="$inet_failed $1"
 		fi
 		shift
 	done
 	[ -n "$inet_failed" ] && warn_failed_ifs "plumb IPv4" "$inet_failed"
 fi

 # Run autoconf to connect to a WLAN if the interface is a wireless one
 if [ -x /sbin/wificonfig -a -n "$inet_plumbed" ]; then
 	set -- $inet_plumbed
 	while [ $# -gt 0 ]; do
 			if [ -r /dev/wifi/$1 ]; then
 				/sbin/wificonfig -i $1 startconf >/dev/null
 			fi
 		shift
 	done
 fi

 #
 # Step through the IPv6 interface list and plumb every interface.
 # Generate list of plumbed and failed IPv6 interfaces.  Each plumbed
 # interface will be brought up later, after processing any contents of
 # the /etc/hostname6.* file.
 #
 if [ -n "$inet6_list" ]; then
 	set -- $inet6_list
 	while [ $# -gt 0 ]; do
 		/sbin/ifconfig $1 inet6 plumb
 		if /sbin/ifconfig $1 inet6 >/dev/null 2>&1; then
 			inet6_plumbed="$inet6_plumbed $1"
 		else
 			inet6_failed="$inet6_failed $1"
 		fi
 		shift
 	done
 	[ -n "$inet6_failed" ] && warn_failed_ifs "plumb IPv6" "$inet6_failed"
 fi

 #
 # Create all of the IPv6 IPMP interfaces.
 #
 if [ -n "$ipmp6_list" ]; then
 	set -- $ipmp6_list
 	while [ $# -gt 0 ]; do
 	    	if /sbin/ifconfig $1 inet6 ipmp; then
 			ipmp6_created="$ipmp6_created $1"
 		else
 			ipmp6_failed="$ipmp6_failed $1"
  		fi
 		shift
 	done
 	[ -n "$ipmp6_failed" ] && warn_failed_ifs "create IPv6 IPMP" \
 	    "$ipmp6_failed"
 fi

 if smf_is_globalzone; then
 	#
 	# Wifi drivers use special property interfaces that are not supported
 	# by the existing property persistence mechanism, so if a wifi driver
 	# unloads and then is subsequently reloaded, associated links' properties
 	# will not be restored.  For now, wait until after interfaces have been
 	# plumbed (above) to initialize link properties.
 	#
 	/sbin/dladm init-linkprop -w
 fi

 #
 # Process the /etc/hostname[6].* files for IPMP interfaces.  Processing these
 # before non-IPMP interfaces avoids accidental implicit IPMP group creation.
 #
 [ -n "$ipmp_created" ] && if_configure inet "IPMP" $ipmp_created
 [ -n "$ipmp6_created" ] && if_configure inet6 "IPMP" $ipmp6_created

 #
 # Process the /etc/hostname[6].* files for non-IPMP interfaces.
 #
 [ -n "$inet_plumbed" ] && if_configure inet "" $inet_plumbed
 [ -n "$inet6_plumbed" ] && if_configure inet6 "" $inet6_plumbed

 #
 # For the IPv4 and IPv6 interfaces that failed to plumb, find (or create)
 # IPMP meta-interfaces to host their data addresses.
 #
 [ -n "$inet_failed" ] && move_addresses inet
 [ -n "$inet6_failed" ] && move_addresses inet6

 # Run DHCP if requested. Skip boot-configured interface.
 interface_names="`echo /etc/dhcp.*[0-9] 2>/dev/null`"
 if [ "$interface_names" != '/etc/dhcp.*[0-9]' ]; then
 	#
 	# First find the primary interface. Default to the first
 	# interface if not specified. First primary interface found
 	# "wins". Use care not to "reconfigure" a net-booted interface
 	# configured using DHCP. Run through the list of interfaces
 	# again, this time trying DHCP.
 	#
 	i4d_fail=
 	firstif=
 	primary=
 	ORIGIFS="$IFS"
 	IFS="${IFS}."
 	set -- $interface_names

 	while [ $# -ge 2 ]; do
 		shift
 		[ -z "$firstif" ] && firstif=$1

 		for i in `shcat /etc/dhcp\.$1`; do
 			if [ "$i" = primary ]; then
 				primary=$1
 				break
 			fi
 		done

 		[ -n "$primary" ] && break
 		shift
 	done

 	[ -z "$primary" ] && primary="$firstif"
 	cmdline=`shcat /etc/dhcp\.${primary}`

 	if [ "$_INIT_NET_IF" != "$primary" ]; then
 		echo "starting DHCP on primary interface $primary"
 		/sbin/ifconfig $primary auto-dhcp primary $cmdline
 		# Exit code 4 means ifconfig timed out waiting for dhcpagent
 		[ $? != 0 ] && [ $? != 4 ] && i4d_fail="$i4d_fail $primary"
 	fi

 	set -- $interface_names

 	while [ $# -ge 2 ]; do
 		shift
 		cmdline=`shcat /etc/dhcp\.$1`
 		if [ "$1" != "$primary" -a \
 			"$1" != "$_INIT_NET_IF"  ]; then
 			echo "starting DHCP on interface $1"
 			/sbin/ifconfig $1 dhcp start wait 0 $cmdline
 			# Exit code can't be timeout when wait is 0
 			[ $? != 0 ] && i4d_fail="$i4d_fail $1"
 		fi
 		shift
 	done
 	IFS="$ORIGIFS"
 	unset ORIGIFS
 	[ -n "$i4d_fail" ] && warn_failed_ifs "configure IPv4 DHCP" "$i4d_fail"
 fi

 # In order to avoid bringing up the interfaces that have
 # intentionally been left down, perform RARP only if the system
 # has no configured hostname in /etc/nodename
 hostname="`shcat /etc/nodename 2>/dev/null`"
 if [ "$_INIT_NET_STRATEGY" = "rarp" -o -z "$hostname" ]; then
 	/sbin/ifconfig -adD4 auto-revarp netmask + broadcast + up
 fi

 #
 # If the /etc/defaultrouter file exists, process it now so that the next
 # stage of booting will have access to NFS.
 #
 if [ -f /etc/defaultrouter ]; then
 	while read router rubbish; do
 		case "$router" in
 			'#'* | '') ;;	#  Ignore comments, empty lines
 			*)	/sbin/route -n add default -gateway $router ;;
 		esac
 	done </etc/defaultrouter
 fi

 #
 # If we get here and were not asked to plumb any IPv4 interfaces, look
 # for boot properties that direct us.
 #
 # - The "network-interface" property is required and indicates the
 #   interface name.
 # - The "xpv-hcp" property, if present, is used by the hypervisor
 #   tools to indicate how the specified interface should be configured.
 #   Permitted values are "dhcp" and "off", where "off" indicates static
 #   IP configuration.
 #
 # In the case where "xpv-hcp" is set to "dhcp", no further properties
 # are required or examined.
 #
 # In the case where "xpv-hcp" is not present or set to "off", the
 # "host-ip" and "subnet-mask" properties are used to configure
 # the specified interface.  The "router-ip" property, if present,
 # is used to add a default route.
 #
 nic="`/sbin/devprop network-interface`"
 if smf_is_globalzone && [ -z "$inet_list" ] && [ -n "$nic" ]; then
 	hcp="`/sbin/devprop xpv-hcp`"
 	case "$hcp" in
 	"dhcp")
 		/sbin/ifconfig $nic plumb 2>/dev/null
 		[ -n "`/sbin/ifconfig $nic 2>/dev/null`" ] && (
 			# The interface is successfully plumbed, so
 			# modify "inet_list" to force the exit code
 			# checks to work.
 			inet_list=$nic;
 			# Given that this is the only IPv4 interface,
 			# we assert that it is primary.
 			echo "starting DHCP on primary interface $primary";
 			/sbin/ifconfig $nic auto-dhcp primary;
 			# Exit code 4 means ifconfig timed out waiting
 			# for dhcpagent
 			[ $? != 0 ] && [ $? != 4 ] && \
 			    i4d_fail="$i4d_fail $nic";
 		)
 		;;

 	"off"|"")
 		/sbin/devprop host-ip subnet-mask router-ip | (
 			read ip;
 			read mask;
 			read router;
 			[ -n "$ip" ] && [ -n "$mask" ] && \
 				/sbin/ifconfig $nic plumb 2>/dev/null
 			[ -n "`/sbin/ifconfig $nic 2>/dev/null`" ] && (
 				# The interface is successfully
 				# plumbed, so modify "inet_list" to
 				# force the exit code checks to work.
 				inet_list=$nic;
 				/sbin/ifconfig $nic  inet $ip \
 				    netmask $mask broadcast + up 2>/dev/null;
 				[ -n "$router" ] && route add \
 				    default $router 2>/dev/null;
 			)
 		)
 		;;
 	esac
 fi

 #
 # We tell smf this service is online if any of the following is true:
 # - no interfaces were configured for plumbing and no DHCP failures
 # - any non-loopback IPv4 interfaces are up and have a non-zero address
 # - there are any DHCP interfaces started
 # - any non-loopback IPv6 interfaces are up
 #
 # If we weren't asked to configure any interfaces, exit
 if [ -z "$inet_list" ] && [ -z "$inet6_list" ]; then
 	# Config error if DHCP was attempted without plumbed interfaces
 	[ -n "$i4d_fail" ] && exit $SMF_EXIT_ERR_CONFIG
 	exit $SMF_EXIT_OK
 fi

 # Any non-loopback IPv4 interfaces with usable addresses up?
 if [ -n "`/sbin/ifconfig -a4u`" ]; then
     	/sbin/ifconfig -a4u | while read intf addr rest; do
 		[ $intf = inet ] && [ $addr != 127.0.0.1 ] &&
 		[ $addr != 0.0.0.0 ] && exit $SMF_EXIT_OK
 	done && exit $SMF_EXIT_OK
 fi

 # Any DHCP interfaces started?
 [ -n "`/sbin/ifconfig -a4 dhcp status 2>/dev/null`" ] && exit $SMF_EXIT_OK

 # Any non-loopback IPv6 interfaces up?
 if [ -n "`/sbin/ifconfig -au6`" ]; then
 	/sbin/ifconfig -au6 | while read intf addr rest; do
 		[ $intf = inet6 ] && [ $addr != ::1/128 ] && exit $SMF_EXIT_OK
 	done && exit $SMF_EXIT_OK
 fi

 # This service was supposed to configure something yet didn't.  Exit
 # with config error.
 exit $SMF_EXIT_ERR_CONFIG
	#!/sbin/sh
	#
	# CDDL HEADER START
	#
	# The contents of this file are subject to the terms of the
	# Common Development and Distribution License (the "License").
	# You may not use this file except in compliance with the License.
	#
	# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
	# or http://www.opensolaris.org/os/licensing.
	# See the License for the specific language governing permissions
	# and limitations under the License.
	#
	# When distributing Covered Code, include this CDDL HEADER in each
	# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
	# If applicable, add the following below this CDDL HEADER, with the
	# fields enclosed by brackets "[]" replaced with your own identifying
	# information: Portions Copyright [yyyy] [name of copyright owner]
	#
	# CDDL HEADER END
	#
	#
	# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
	# Use is subject to license terms.
	#
	# Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T.
	# All rights reserved.
	#

	. /lib/svc/share/smf_include.sh
	. /lib/svc/share/net_include.sh

	#
	# In a shared-IP zone we need this service to be up, but all of the work
	# it tries to do is irrelevant (and will actually lead to the service
	# failing if we try to do it), so just bail out.
	# In the global zone and exclusive-IP zones we proceed.
	#
	smf_configure_ip \|\| exit $SMF_EXIT_OK

	# Make sure that the libraries essential to this stage of booting can be found.
	LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH

	smf_netstrategy

	if smf_is_globalzone; then
	net_reconfigure \|\| exit $SMF_EXIT_ERR_CONFIG

	#
	# Upgrade handling. The upgrade file consists of a series of dladm(1M)
	# commands. Note that after we are done, we cannot rename the upgrade
	# script file as the file system is still read-only at this point.
	# Defer this to the manifest-import service.
	#
	upgrade_script=/var/svc/profile/upgrade_datalink
	if [ -f "${upgrade_script}" ]; then
	. "${upgrade_script}"
	fi

	#
	# Bring up link aggregations and initialize security objects.
	# Note that link property initialization is deferred until after
	# IP interfaces are plumbed to ensure that the links will not
	# be unloaded (and the property settings lost).
	#
	/sbin/dladm up-aggr
	/sbin/dladm up-vlan
	/sbin/dladm init-secobj
	#
	# Bring up VNICs
	#
	/sbin/dladm up-vnic
	#
	# Create flows via flowadm.
	#
	/sbin/flowadm init-flow
	fi

	#
	# If the system was net booted by DHCP, hand DHCP management off to the
	# DHCP agent (ifconfig communicates to the DHCP agent through the
	# loopback interface).
	#
	if [ -n "$_INIT_NET_IF" -a "$_INIT_NET_STRATEGY" = "dhcp" ]; then
	/sbin/dhcpagent -a
	fi

	#
	# The network initialization is done early to support diskless and
	# dataless configurations. For IPv4 interfaces that were configured by
	# the kernel (e.g. those on diskless machines) and not configured by
	# DHCP, reset the netmask using the local "/etc/netmasks" file if one
	# exists, and then reset the broadcast address based on the netmask.
	#
	/sbin/ifconfig -auD4 netmask + broadcast +

	#
	# All the IPv4 and IPv6 interfaces are plumbed before doing any
	# interface configuration. This prevents errors from plumb failures
	# getting mixed in with the configured interface lists that the script
	# outputs.
	#

	#
	# Get the list of IPv4 interfaces to configure by breaking
	# /etc/hostname.* into separate args by using "." as a shell separator
	# character.
	#
	interface_names="`echo /etc/hostname.*[0-9] 2>/dev/null`"
	if [ "$interface_names" != "/etc/hostname.*[0-9]" ]; then
	ORIGIFS="$IFS"
	IFS="$IFS."
	set -- $interface_names
	IFS="$ORIGIFS"
	while [ $# -ge 2 ]; do
	shift
	intf_name=$1
	while [ $# -gt 1 -a "$2" != "/etc/hostname" ]; do
	intf_name="$intf_name.$2"
	shift
	done
	shift

	read one rest < /etc/hostname.$intf_name
	if [ "$one" = ipmp ]; then
	ipmp_list="$ipmp_list $intf_name"
	else
	inet_list="$inet_list $intf_name"
	fi
	done
	fi

	#
	# Get the list of IPv6 interfaces to configure by breaking
	# /etc/hostname6.* into separate args by using "." as a shell separator
	# character.
	#
	interface_names="`echo /etc/hostname6.*[0-9] 2>/dev/null`"
	if [ "$interface_names" != "/etc/hostname6.*[0-9]" ]; then
	ORIGIFS="$IFS"
	IFS="$IFS."
	set -- $interface_names
	IFS="$ORIGIFS"
	while [ $# -ge 2 ]; do
	shift
	intf_name=$1
	while [ $# -gt 1 -a "$2" != "/etc/hostname6" ]; do
	intf_name="$intf_name.$2"
	shift
	done
	shift

	read one rest < /etc/hostname6.$intf_name
	if [ "$one" = ipmp ]; then
	ipmp6_list="$ipmp6_list $intf_name"
	else
	inet6_list="$inet6_list $intf_name"
	fi
	done
	fi

	#
	# Create all of the IPv4 IPMP interfaces.
	#
	if [ -n "$ipmp_list" ]; then
	set -- $ipmp_list
	while [ $# -gt 0 ]; do
	if /sbin/ifconfig $1 ipmp; then
	ipmp_created="$ipmp_created $1"
	else
	ipmp_failed="$ipmp_failed $1"
	fi
	shift
	done
	[ -n "$ipmp_failed" ] && warn_failed_ifs "create IPv4 IPMP" \
	"$ipmp_failed"
	fi

	#
	# Step through the IPv4 interface list and try to plumb every interface.
	# Generate list of plumbed and failed IPv4 interfaces.
	#
	if [ -n "$inet_list" ]; then
	set -- $inet_list
	while [ $# -gt 0 ]; do
	/sbin/ifconfig $1 plumb
	if /sbin/ifconfig $1 inet >/dev/null 2>&1; then
	inet_plumbed="$inet_plumbed $1"
	else
	inet_failed="$inet_failed $1"
	fi
	shift
	done
	[ -n "$inet_failed" ] && warn_failed_ifs "plumb IPv4" "$inet_failed"
	fi

	# Run autoconf to connect to a WLAN if the interface is a wireless one
	if [ -x /sbin/wificonfig -a -n "$inet_plumbed" ]; then
	set -- $inet_plumbed
	while [ $# -gt 0 ]; do
	if [ -r /dev/wifi/$1 ]; then
	/sbin/wificonfig -i $1 startconf >/dev/null
	fi
	shift
	done
	fi

	#
	# Step through the IPv6 interface list and plumb every interface.
	# Generate list of plumbed and failed IPv6 interfaces. Each plumbed
	# interface will be brought up later, after processing any contents of
	# the /etc/hostname6.* file.
	#
	if [ -n "$inet6_list" ]; then
	set -- $inet6_list
	while [ $# -gt 0 ]; do
	/sbin/ifconfig $1 inet6 plumb
	if /sbin/ifconfig $1 inet6 >/dev/null 2>&1; then
	inet6_plumbed="$inet6_plumbed $1"
	else
	inet6_failed="$inet6_failed $1"
	fi
	shift
	done
	[ -n "$inet6_failed" ] && warn_failed_ifs "plumb IPv6" "$inet6_failed"
	fi

	#
	# Create all of the IPv6 IPMP interfaces.
	#
	if [ -n "$ipmp6_list" ]; then
	set -- $ipmp6_list
	while [ $# -gt 0 ]; do
	if /sbin/ifconfig $1 inet6 ipmp; then
	ipmp6_created="$ipmp6_created $1"
	else
	ipmp6_failed="$ipmp6_failed $1"
	fi
	shift
	done
	[ -n "$ipmp6_failed" ] && warn_failed_ifs "create IPv6 IPMP" \
	"$ipmp6_failed"
	fi

	if smf_is_globalzone; then
	#
	# Wifi drivers use special property interfaces that are not supported
	# by the existing property persistence mechanism, so if a wifi driver
	# unloads and then is subsequently reloaded, associated links' properties
	# will not be restored. For now, wait until after interfaces have been
	# plumbed (above) to initialize link properties.
	#
	/sbin/dladm init-linkprop -w
	fi

	#
	# Process the /etc/hostname[6].* files for IPMP interfaces. Processing these
	# before non-IPMP interfaces avoids accidental implicit IPMP group creation.
	#
	[ -n "$ipmp_created" ] && if_configure inet "IPMP" $ipmp_created
	[ -n "$ipmp6_created" ] && if_configure inet6 "IPMP" $ipmp6_created

	#
	# Process the /etc/hostname[6].* files for non-IPMP interfaces.
	#
	[ -n "$inet_plumbed" ] && if_configure inet "" $inet_plumbed
	[ -n "$inet6_plumbed" ] && if_configure inet6 "" $inet6_plumbed

	#
	# For the IPv4 and IPv6 interfaces that failed to plumb, find (or create)
	# IPMP meta-interfaces to host their data addresses.
	#
	[ -n "$inet_failed" ] && move_addresses inet
	[ -n "$inet6_failed" ] && move_addresses inet6

	# Run DHCP if requested. Skip boot-configured interface.
	interface_names="`echo /etc/dhcp.*[0-9] 2>/dev/null`"
	if [ "$interface_names" != '/etc/dhcp.*[0-9]' ]; then
	#
	# First find the primary interface. Default to the first
	# interface if not specified. First primary interface found
	# "wins". Use care not to "reconfigure" a net-booted interface
	# configured using DHCP. Run through the list of interfaces
	# again, this time trying DHCP.
	#
	i4d_fail=
	firstif=
	primary=
	ORIGIFS="$IFS"
	IFS="${IFS}."
	set -- $interface_names

	while [ $# -ge 2 ]; do
	shift
	[ -z "$firstif" ] && firstif=$1

	for i in `shcat /etc/dhcp\.$1`; do
	if [ "$i" = primary ]; then
	primary=$1
	break
	fi
	done

	[ -n "$primary" ] && break
	shift
	done

	[ -z "$primary" ] && primary="$firstif"
	cmdline=`shcat /etc/dhcp\.${primary}`

	if [ "$_INIT_NET_IF" != "$primary" ]; then
	echo "starting DHCP on primary interface $primary"
	/sbin/ifconfig $primary auto-dhcp primary $cmdline
	# Exit code 4 means ifconfig timed out waiting for dhcpagent
	[ $? != 0 ] && [ $? != 4 ] && i4d_fail="$i4d_fail $primary"
	fi

	set -- $interface_names

	while [ $# -ge 2 ]; do
	shift
	cmdline=`shcat /etc/dhcp\.$1`
	if [ "$1" != "$primary" -a \
	"$1" != "$_INIT_NET_IF" ]; then
	echo "starting DHCP on interface $1"
	/sbin/ifconfig $1 dhcp start wait 0 $cmdline
	# Exit code can't be timeout when wait is 0
	[ $? != 0 ] && i4d_fail="$i4d_fail $1"
	fi
	shift
	done
	IFS="$ORIGIFS"
	unset ORIGIFS
	[ -n "$i4d_fail" ] && warn_failed_ifs "configure IPv4 DHCP" "$i4d_fail"
	fi

	# In order to avoid bringing up the interfaces that have
	# intentionally been left down, perform RARP only if the system
	# has no configured hostname in /etc/nodename
	hostname="`shcat /etc/nodename 2>/dev/null`"
	if [ "$_INIT_NET_STRATEGY" = "rarp" -o -z "$hostname" ]; then
	/sbin/ifconfig -adD4 auto-revarp netmask + broadcast + up
	fi

	#
	# If the /etc/defaultrouter file exists, process it now so that the next
	# stage of booting will have access to NFS.
	#
	if [ -f /etc/defaultrouter ]; then
	while read router rubbish; do
	case "$router" in
	'#'* \| '') ;; # Ignore comments, empty lines
	*) /sbin/route -n add default -gateway $router ;;
	esac
	done </etc/defaultrouter
	fi

	#
	# If we get here and were not asked to plumb any IPv4 interfaces, look
	# for boot properties that direct us.
	#
	# - The "network-interface" property is required and indicates the
	# interface name.
	# - The "xpv-hcp" property, if present, is used by the hypervisor
	# tools to indicate how the specified interface should be configured.
	# Permitted values are "dhcp" and "off", where "off" indicates static
	# IP configuration.
	#
	# In the case where "xpv-hcp" is set to "dhcp", no further properties
	# are required or examined.
	#
	# In the case where "xpv-hcp" is not present or set to "off", the
	# "host-ip" and "subnet-mask" properties are used to configure
	# the specified interface. The "router-ip" property, if present,
	# is used to add a default route.
	#
	nic="`/sbin/devprop network-interface`"
	if smf_is_globalzone && [ -z "$inet_list" ] && [ -n "$nic" ]; then
	hcp="`/sbin/devprop xpv-hcp`"
	case "$hcp" in
	"dhcp")
	/sbin/ifconfig $nic plumb 2>/dev/null
	[ -n "`/sbin/ifconfig $nic 2>/dev/null`" ] && (
	# The interface is successfully plumbed, so
	# modify "inet_list" to force the exit code
	# checks to work.
	inet_list=$nic;
	# Given that this is the only IPv4 interface,
	# we assert that it is primary.
	echo "starting DHCP on primary interface $primary";
	/sbin/ifconfig $nic auto-dhcp primary;
	# Exit code 4 means ifconfig timed out waiting
	# for dhcpagent
	[ $? != 0 ] && [ $? != 4 ] && \
	i4d_fail="$i4d_fail $nic";
	)
	;;

	"off"\|"")
	/sbin/devprop host-ip subnet-mask router-ip \| (
	read ip;
	read mask;
	read router;
	[ -n "$ip" ] && [ -n "$mask" ] && \
	/sbin/ifconfig $nic plumb 2>/dev/null
	[ -n "`/sbin/ifconfig $nic 2>/dev/null`" ] && (
	# The interface is successfully
	# plumbed, so modify "inet_list" to
	# force the exit code checks to work.
	inet_list=$nic;
	/sbin/ifconfig $nic inet $ip \
	netmask $mask broadcast + up 2>/dev/null;
	[ -n "$router" ] && route add \
	default $router 2>/dev/null;
	)
	)
	;;
	esac
	fi

	#
	# We tell smf this service is online if any of the following is true:
	# - no interfaces were configured for plumbing and no DHCP failures
	# - any non-loopback IPv4 interfaces are up and have a non-zero address
	# - there are any DHCP interfaces started
	# - any non-loopback IPv6 interfaces are up
	#
	# If we weren't asked to configure any interfaces, exit
	if [ -z "$inet_list" ] && [ -z "$inet6_list" ]; then
	# Config error if DHCP was attempted without plumbed interfaces
	[ -n "$i4d_fail" ] && exit $SMF_EXIT_ERR_CONFIG
	exit $SMF_EXIT_OK
	fi

	# Any non-loopback IPv4 interfaces with usable addresses up?
	if [ -n "`/sbin/ifconfig -a4u`" ]; then
	/sbin/ifconfig -a4u \| while read intf addr rest; do
	[ $intf = inet ] && [ $addr != 127.0.0.1 ] &&
	[ $addr != 0.0.0.0 ] && exit $SMF_EXIT_OK
	done && exit $SMF_EXIT_OK
	fi

	# Any DHCP interfaces started?
	[ -n "`/sbin/ifconfig -a4 dhcp status 2>/dev/null`" ] && exit $SMF_EXIT_OK

	# Any non-loopback IPv6 interfaces up?
	if [ -n "`/sbin/ifconfig -au6`" ]; then
	/sbin/ifconfig -au6 \| while read intf addr rest; do
	[ $intf = inet6 ] && [ $addr != ::1/128 ] && exit $SMF_EXIT_OK
	done && exit $SMF_EXIT_OK
	fi

	# This service was supposed to configure something yet didn't. Exit
	# with config error.
	exit $SMF_EXIT_ERR_CONFIG