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Code Issues Releases Wiki Activity

Make multipath script work for kernel upstream MPTCP

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This commit is contained in:
Ycarus (Yannick Chabanois) 2021-07-29 09:22:49 +02:00
parent cbbbea76ac
commit 397d89b87f
1 changed files with 80 additions and 33 deletions
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113
mptcp/files/usr/bin/multipath
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@ -6,9 +6,8 @@
# Released under GPL 3 or later
if [ -d "/proc/sys/net/mptcp" ]; then
if [ `cat /proc/sys/net/mptcp/mptcp_enabled` = 0 ]; then
if ([ -f /proc/sys/net/mptcp/mptcp_enabled ] && [ `cat /proc/sys/net/mptcp/mptcp_enabled` = 0 ]) || ([ -f /proc/sys/net/mptcp/enabled ] && [ `cat /proc/sys/net/mptcp/enabled` = 0 ]); then
echo "MPTCP is disabled!"
echo "Please set net.mptcp.mptcp_enabled = 1"
exit 1
fi
else
@ -43,12 +42,28 @@ case $1 in
cat /proc/net/mptcp_fullmesh
exit 0;;
"-k")
echo Enabled: `cat /proc/sys/net/mptcp/mptcp_enabled`
echo Path Manager: `cat /proc/sys/net/mptcp/mptcp_path_manager`
echo Use checksum: `cat /proc/sys/net/mptcp/mptcp_checksum`
echo Scheduler: `cat /proc/sys/net/mptcp/mptcp_scheduler`
echo Syn retries: `cat /proc/sys/net/mptcp/mptcp_syn_retries`
echo Debugmode: `cat /proc/sys/net/mptcp/mptcp_debug`
if [ -f /proc/sys/net/mptcp/mptcp_enabled ]; then
echo Enabled: `cat /proc/sys/net/mptcp/mptcp_enabled`
elif [ -f /proc/sys/net/mptcp/enabled ]; then
echo Enabled: `cat /proc/sys/net/mptcp/enabled`
fi
if [ -f /proc/sys/net/mptcp/mptcp_path_manager ]; then
echo Path Manager: `cat /proc/sys/net/mptcp/mptcp_path_manager`
fi
if [ -f /proc/sys/net/mptcp/mptcp_checksum ]; then
echo Use checksum: `cat /proc/sys/net/mptcp/mptcp_checksum`
else
echo Use checksum: `cat /proc/sys/net/mptcp/checksum_enabled`
fi
if [ -f /proc/sys/net/mptcp/mptcp_scheduler ]; then
echo Scheduler: `cat /proc/sys/net/mptcp/mptcp_scheduler`
fi
if [ -f /proc/sys/net/mptcp/mptcp_syn_retries ]; then
echo Syn retries: `cat /proc/sys/net/mptcp/mptcp_syn_retries`
fi
if [ -f /proc/sys/net/mptcp/mptcp_debug ]; then
echo Debugmode: `cat /proc/sys/net/mptcp/mptcp_debug`
fi
echo
echo See http://multipath-tcp.org/ for details
exit 0 ;;
@ -70,33 +85,65 @@ TYPE="$2"
exit 1
}
FLAG_PATH="/sys/class/net/$DEVICE/flags"
IFF=`cat $FLAG_PATH`
if [ -f /proc/sys/net/mptcp/mptcp_enabled ]; then
FLAG_PATH="/sys/class/net/$DEVICE/flags"
IFF=`cat $FLAG_PATH`
IFF_OFF="0x80000"
IFF_ON="0x00"
IFF_BACKUP="0x100000"
IFF_HANDOVER="0x200000"
IFF_MASK="0x380000"
IFF_OFF="0x80000"
IFF_ON="0x00"
IFF_BACKUP="0x100000"
IFF_HANDOVER="0x200000"
IFF_MASK="0x380000"
case $TYPE in
"off") FLAG=$IFF_OFF;;
"on") FLAG=$IFF_ON;;
"backup") FLAG=$IFF_BACKUP;;
"handover") FLAG=$IFF_HANDOVER;;
"")
IFF=`printf "0x%02x" $(($IFF&$IFF_MASK))`
case "$IFF" in
$IFF_OFF) echo $DEVICE is deactivated;;
$IFF_ON) echo $DEVICE is in default mode;;
$IFF_BACKUP) echo $DEVICE is in backup mode;;
$IFF_HANDOVER) echo $DEVICE is in handover mode;;
*) echo "Unkown state!" && exit 1;;
esac
exit 0;;
*) echo "Unkown flag! Use 'multipath -h' for help" && exit 1;;
esac
case $TYPE in
"off") FLAG=$IFF_OFF;;
"on") FLAG=$IFF_ON;;
"backup") FLAG=$IFF_BACKUP;;
"handover") FLAG=$IFF_HANDOVER;;
"")
IFF=`printf "0x%02x" $(($IFF&$IFF_MASK))`
case "$IFF" in
$IFF_OFF) echo $DEVICE is deactivated;;
$IFF_ON) echo $DEVICE is in default mode;;
$IFF_BACKUP) echo $DEVICE is in backup mode;;
$IFF_HANDOVER) echo $DEVICE is in handover mode;;
*) echo "Unkown state!" && exit 1;;
esac
exit 0;;
*) echo "Unkown flag! Use 'multipath -h' for help" && exit 1;;
esac
printf "0x%02x" $(($(($IFF^$(($IFF&$IFF_MASK))))|$FLAG)) > $FLAG_PATH
printf "0x%02x" $(($(($IFF^$(($IFF&$IFF_MASK))))|$FLAG)) > $FLAG_PATH
else
ID=$(ip mptcp endpoint show | grep "dev $DEVICE" | awk '{print $3}')
IFF=$(ip mptcp endpoint show | grep "dev $DEVICE" | awk '{print $4}')
case $TYPE in
"off")
[ -n "$ID" ] && ip mptcp endpoint delete id $ID
exit 0;;
"on")
[ -n "$ID" ] && ip mptcp endpoint delete id $ID
ip mptcp endpoint add $IP dev $DEVICE subflow
exit 0;;
"signal")
[ -n "$ID" ] && ip mptcp endpoint delete id $ID
ip mptcp endpoint add $IP dev $DEVICE signal subflow
exit 0;;
"backup")
[ -n "$ID" ] && ip mptcp endpoint delete id $ID
ip mptcp endpoint add $IP dev $DEVICE backup
exit 0;;
"")
case "$IFF" in
"") echo $DEVICE is deactivated;;
"subflow") echo $DEVICE is in default mode;;
"backup") echo $DEVICE is in backup mode;;
"signal") echo $DEVICE is in signal mode;;
*) echo "$DEVICE Unkown state!" && exit 1;;
esac
exit 0;;
*) echo "Unkown flag! Use 'multipath -h' for help" && exit 1;;
esac
fi