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https://github.com/Ysurac/openmptcprouter-vps.git
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103 lines
3.3 KiB
Text
103 lines
3.3 KiB
Text
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#!/bin/sh
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#
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# Update the MP-TCP flags without the pached iproute2
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#
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# Author: Mario Krueger <openwrt at xedp3x.de>
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# Released under GPL 3 or later
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if [ -d "/proc/sys/net/mptcp" ]; then
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if [ `cat /proc/sys/net/mptcp/mptcp_enabled` = 0 ]; then
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echo "MPTCP is disabled!"
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echo "Please set net.mptcp.mptcp_enabled = 1"
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exit 1
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fi
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else
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echo "Your device don't support multipath-TCP."
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echo "You have to install the pached kernel to use MPTCP."
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echo "See http://multipath-tcp.org/ for details"
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exit 1
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fi
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case $1 in
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"-h")
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echo " Multipath-TCP configuration tool"
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echo "show/update flags:"
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echo " multipath [device]"
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echo " multipath device {on | off | backup | handover}"
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echo
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echo "show established conections: -c"
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echo "show mullmesh info: -f"
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echo "show kernel config: -k"
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echo
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echo "Flag on the device, to enable/disable MPTCP for this interface. The backup-flag"
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echo "will allow a subflow to be established across this interface, but only be used"
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echo "as backup. Handover-flag indicates that his interface is not used at all (even "
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echo "no subflow being established), as long as there are other interfaces available."
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echo "See http://multipath-tcp.org/ for details"
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echo
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exit 0 ;;
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"-c")
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cat /proc/net/mptcp_net/mptcp
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exit 0;;
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"-f")
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cat /proc/net/mptcp_fullmesh
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exit 0;;
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"-k")
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echo Enabled: `cat /proc/sys/net/mptcp/mptcp_enabled`
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echo Path Manager: `cat /proc/sys/net/mptcp/mptcp_path_manager`
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echo Use checksum: `cat /proc/sys/net/mptcp/mptcp_checksum`
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echo Scheduler: `cat /proc/sys/net/mptcp/mptcp_scheduler`
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echo Syn retries: `cat /proc/sys/net/mptcp/mptcp_syn_retries`
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echo Debugmode: `cat /proc/sys/net/mptcp/mptcp_debug`
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echo
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echo See http://multipath-tcp.org/ for details
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exit 0 ;;
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"")
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for ifpath in /sys/class/net/*; do
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$0 ${ifpath##*/}
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done
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exit 0;;
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*);;
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esac
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DEVICE="$1"
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TYPE="$2"
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#FLAG_PATH=`find /sys/devices/ -path "*/net/$DEVICE/flags"`
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[ -d "/sys/class/net/$DEVICE/" ] || {
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echo "Device '$DEVICE' can't found!"
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echo "Use the hardware name like in ifconfig"
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exit 1
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}
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FLAG_PATH="/sys/class/net/$DEVICE/flags"
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IFF=`cat $FLAG_PATH`
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IFF_OFF="0x80000"
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IFF_ON="0x00"
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IFF_BACKUP="0x100000"
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IFF_HANDOVER="0x200000"
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IFF_MASK="0x380000"
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case $TYPE in
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"off") FLAG=$IFF_OFF;;
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"on") FLAG=$IFF_ON;;
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"backup") FLAG=$IFF_BACKUP;;
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"handover") FLAG=$IFF_HANDOVER;;
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"")
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IFF=`printf "0x%02x" $(($IFF&$IFF_MASK))`
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case "$IFF" in
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$IFF_OFF) echo $DEVICE is deactivated;;
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$IFF_ON) echo $DEVICE is in default mode;;
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$IFF_BACKUP) echo $DEVICE is in backup mode;;
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$IFF_HANDOVER) echo $DEVICE is in handover mode;;
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*) echo "Unkown state!" && exit 1;;
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esac
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exit 0;;
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*) echo "Unkown flag! Use 'multipath -h' for help" && exit 1;;
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esac
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printf "0x%02x" $(($(($IFF^$(($IFF&$IFF_MASK))))|$FLAG)) > $FLAG_PATH
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