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# Copyright 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
iproute2_depend()
{
program /sbin/ip
provide interface
after ifconfig
}
_up()
{
ip link set "${IFACE}" up
}
_down()
{
ip link set "${IFACE}" down
}
_exists()
{
grep -Eq "^[[:space:]]*${IFACE}:" /proc/net/dev
}
_ifindex()
{
local line= i=-2
while read line; do
i=$((${i} + 1))
[ ${i} -lt 1 ] && continue
case "${line}" in
"${IFACE}:"*) echo "${i}"; return 0;;
esac
done < /proc/net/dev
# Return the next available index
i=$((${i} + 1))
echo "${i}"
return 1
}
_is_wireless()
{
# Support new sysfs layout
[ -d /sys/class/net/"${IFACE}"/wireless ] && return 0
[ ! -e /proc/net/wireless ] && return 1
grep -Eq "^[[:space:]]*${IFACE}:" /proc/net/wireless
}
_set_flag()
{
local flag=$1 opt="on"
if [ "${flag#-}" != "${flag}" ]; then
flag=${flag#-}
opt="off"
fi
ip link set "${IFACE}" "${flag}" "${opt}"
}
_get_mac_address()
{
local mac=$(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 "${IFACE}" address "$1"
}
_get_inet_addresses()
{
LC_ALL=C ip -family inet addr show "${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}" "${two}" via "$@"
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;;
-host|-net);;
-A) [ "$2" = "inet6" ] && shift;;
*) cmd="${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 "${IFACE}" mtu "${mtu}"
# TX Queue Length support
local len=
eval len=\$txqueuelen_${IFVAR}
[ -n "${len}" ] && ip link set "${IFACE}" txqueuelen "${len}"
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 $? || return 1
_up
fi
return 0
}
_iproute2_ipv6_tentative()
{
# Only check tentative when we have a carrier.
LC_ALL=C ip link show dev "${IFACE}" | grep -q "NO-CARRIER" && return 1
LC_ALL=C ip addr show dev "${IFACE}" | \
grep -q "^[[:space:]]*inet6 .* tentative"
}
iproute2_post_start()
{
# Kernel may not have IP built in
if [ -e /proc/net/route ]; then
ip route flush table cache dev "${IFACE}"
fi
if _iproute2_ipv6_tentative; then
ebegin "Waiting for IPv6 addresses"
while true; do
_iproute2_ipv6_tentative || break
done
eend 0
fi
}
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
}
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