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Diffstat (limited to 'net/iproute2.sh')
| -rw-r--r-- | net/iproute2.sh | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/net/iproute2.sh b/net/iproute2.sh new file mode 100644 index 00000000..de765378 --- /dev/null +++ b/net/iproute2.sh @@ -0,0 +1,241 @@ +# 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 up dev "${IFACE}" +} + +_down() +{ + ip link set down dev "${IFACE}" +} + +_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 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}" "${two}" via "$@" + 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 mtu "${mtu}" dev "${IFACE}" + + # TX Queue Length support + local len= + eval len=\$txqueuelen_${IFVAR} + [ -n "${len}" ] && ip link set txqueuelen "${len}" dev "${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 $? || return 1 + _up + fi + + return 0 +} + +_iproute2_ipv6_tentative() +{ + LC_ALL=C ip addr show dev "${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 +} |