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# Copyright 2004-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
iproute2_depend() {
program /sbin/ip
provide interface
after ifconfig
}
_up() {
ip link set up dev "${IFACE}"
}
_down() {
ip link set down dev "${IFACE}"
}
_exists() {
grep -Eq "^[[:space:]]*${IFACE}:[[:space:]]*" /proc/net/dev
}
_ifindex() {
local line= i=-2
while read line ; do
i=$((${i} + 1))
[ ${i} -lt 1 ] && continue
case "${line}" in
"${IFACE}: "*) echo "${i}"; return 0;;
esac
done < /proc/net/dev
return 1
}
_is_wireless() {
# Support new sysfs layout
[ -d /sys/class/net/"${IFACE}"/wireless ] && return 0
[ ! -e /proc/net/wireless ] && return 1
grep -Eq "^[[:space:]]*${IFACE}:[[:space:]]+" /proc/net/wireless
}
_get_mac_address() {
local mac=$(LC_ALL=C ip link show "${IFACE}" | sed -n \
-e 'y/abcdef/ABCDEF/' \
-e '/link\// s/^.*\<\(..:..:..:..:..:..\)\>.*/\1/p')
case "${mac}" in
00:00:00:00:00:00) ;;
44:44:44:44:44:44) ;;
FF:FF:FF:FF:FF:FF) ;;
"") ;;
*) echo "${mac}"; return 0 ;;
esac
return 1
}
_set_mac_address() {
ip link set address "$1" dev "${IFACE}"
}
_get_inet_addresses() {
LC_ALL=C ip -family inet addr show "${IFACE}" | \
sed -n -e 's/.*inet \([^ ]*\).*/\1/p'
}
_get_inet_address() {
set -- $(_get_inet_addresses)
[ $# = "0" ] && return 1
echo "$1"
}
_add_address() {
if [ "$1" = "127.0.0.1/8" -a "${IFACE}" = "lo" ] ; then
ip addr add "$@" dev "${IFACE}" 2>/dev/null
return 0
fi
# Convert an ifconfig line to iproute2
if [ "$2" = "netmask" ] ; then
local one="$1" three="$3"
shift ; shift ; shift
set -- "${one}/$(_netmask2cidr "${three}")" "$@"
fi
#config=( "${config[@]//pointopoint/peer}" )
# Always scope lo addresses as host unless specified otherwise
if [ "${IFACE}" = "lo" ] ; then
set -- "$@" "scope" "host"
fi
# IPv4 specifics
case "$1" in
*.*.*.*)
case "$@" in
*" brd "*) ;;
*" broadcast "*) ;;
*) set -- "$@" brd + ;;
esac
;;
esac
ip addr add dev "${IFACE}" "$@"
}
_add_route() {
if [ $# -eq 3 ] ; then
set -- "$1" "$2" via "$3"
elif [ "$3" = "gw" ] ; then
local one=$1 two=$2
shift ; shift; shift
set -- "${one}" "${two}" gw "$@"
fi
local cmd= have_metric=false
while [ -n "$1" ] ; do
case "$1" in
metric) cmd="${cmd} $1"; have_metric=true ;;
netmask) cmd="${cmd}/$(_netmask2cidr "$2")"; shift ;;
-net) ;;
-A) [ "$2" = "inet6" ] && shift ;;
-host) cmd="${cmd} scope host" ;;
*) cmd="${cmd} $1" ;;
esac
shift
done
if ! ${have_metric} && [ -n "${metric}" ] ; then
cmd="${cmd} metric ${metric}"
fi
ip route append ${cmd} dev "${IFACE}"
eend $?
}
_delete_addresses() {
ip addr flush dev "${IFACE}" scope global 2>/dev/null
ip addr flush dev "${IFACE}" scope site 2>/dev/null
if [ "${IFACE}" != "lo" ] ; then
ip addr flush dev "${IFACE}" scope host 2>/dev/null
fi
return 0
}
_has_carrier() {
return 0
}
_tunnel() {
ip tunnel "$@"
}
iproute2_pre_start() {
# MTU support
local mtu=
eval mtu=\$mtu_${IFVAR}
[ -n "${mtu}" ] && ip link set mtu "${mtu}" dev "${IFACE}"
local tunnel=
eval tunnel=\$iptunnel_${IFVAR}
if [ -n "${tunnel}" ] ; then
# Set our base metric to 1000
metric=1000
ebegin "Creating tunnel ${IFVAR}"
ip tunnel add ${tunnel} name "${IFACE}"
eend $? || return 1
_up
fi
return 0
}
iproute2_post_start() {
ip route flush cache dev "${IFACE}"
}
iproute2_post_stop() {
# Don't delete sit0 as it's a special tunnel
if [ "${IFACE}" != "sit0" ] ; then
if [ -n "$(ip tunnel show "${IFACE}" 2>/dev/null)" ] ; then
ebegin "Destroying tunnel ${IFACE}"
ip tunnel del "${IFACE}"
eend $?
fi
fi
}
# vim: set ts=4 :
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