mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-03-09 15:40:20 +00:00
350 lines
7.1 KiB
Bash
Executable file
350 lines
7.1 KiB
Bash
Executable file
#!/bin/sh
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# swconfig wrapper for BPI-R1 switch in DSA enabled environment
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# Copyright (c) 2021 Oliver Welter <oliver@welter.rocks>
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SWCONFIG="/sbin/swconfig"
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SWCONFIG_REAL="$SWCONFIG.real"
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SWCONFIG_DSA="$SWCONFIG.dsa"
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SWCONFIG_WRAPPER="$SWCONFIG-wrapper.sh"
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SWCONFIG_LINK=`readlink $SWCONFIG`
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DSA_MAP="/etc/dsa.map"
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DSA_MODE=0
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UCI="/sbin/uci"
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GREP="/bin/grep"
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CUT="/usr/bin/cut"
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AWK="/usr/bin/awk"
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IP="/sbin/ip"
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SWITCHNULL="switch0"
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[ -f "$DSA_MAP" ] && DSA_MODE=1
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if [ "$1" = "setup-wrapper" ]; then
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if [ "$SWCONFIG_LINK" = "$SWCONFIG_WRAPPER" ]; then
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echo "Already linked to wrapper" >/dev/stderr
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exit 1
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elif [ -x "$SWCONFIG" ]; then
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mv $SWCONFIG $SWCONFIG_REAL && \
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ln -sf $SWCONFIG_WRAPPER $SWCONFIG && \
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exit 0 || exit $?
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else
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echo "Unable to find swconfig binary" >/dev/stderr
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exit 2
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fi
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elif [ "$DSA_MODE" = 0 ]; then
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if [ "$1" = "" ]; then
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$SWCONFIG_REAL && exit 0 || exit $?
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elif [ "$2" = "" ]; then
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$SWCONFIG_REAL $1 && exit 0 || exit $?
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elif [ "$3" = "" ]; then
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$SWCONFIG_REAL $1 $2 && exit 0 || exit $?
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elif [ "$4" = "" ]; then
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$SWCONFIG_REAL $1 $2 $3 && exit 0 || exit $?
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elif [ "$5" = "" ]; then
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$SWCONFIG_REAL $1 $2 $3 $4 && exit 0 || exit $?
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elif [ "$6" = "" ]; then
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$SWCONFIG_REAL $1 $2 $3 $4 $5 && exit 0 || exit $?
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elif [ "$7" = "" ]; then
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$SWCONFIG_REAL $1 $2 $3 $4 $5 $6 && exit 0 || exit $?
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else
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exit 255
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fi
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fi
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. $DSA_MAP
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get_interface_by_portlist() {
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local ports="$1"
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for port in $ports; do
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port_id=`echo $port | $CUT -d "t" -f1`
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port_tagged=`echo $port | $GREP "t" >/dev/null 2>&1 && echo 1 || echo 0`
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interface=`eval echo "\${port_$port_id}"`
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name=`eval echo "\${port_name_$port_id}"`
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echo "$port_id:$port_tagged:$interface:$name"
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done
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}
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swconfig_usage() {
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echo "WARNING: swconfig runs in DSA wrapper mode"
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$SWCONFIG_REAL && exit 0 || exit $?
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}
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swconfig_port_get() {
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local port="$1"
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local key="$2"
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return 0
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}
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swconfig_vlan_get() {
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local vlan="$1"
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local key="$2"
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return 0
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}
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swconfig_get() {
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local key="$1"
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case $key in
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reset|reset_mib|apply)
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# This is ignored, but leads to exit code 0 to not confuse the networking scripts
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return 0
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;;
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*)
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echo "Unknown key $key for device" >/dev/stderr
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return 1
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;;
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esac
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return 0
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}
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swconfig_port_set() {
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local port="$1"
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local key="$2"
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local val="$3"
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case $key in
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*)
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echo "Unknown key $key for port" >/dev/stderr
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return 1
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;;
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esac
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return 0
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}
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swconfig_vlan_set() {
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local vlan="$1"
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local key="$2"
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local val="$3"
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case $key in
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*)
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echo "Unknown key $key for vlan" >/dev/stderr
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return 1
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;;
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esac
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return 0
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}
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swconfig_set() {
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local key="$1"
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local val="$2"
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case $key in
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reset|reset_mib|apply)
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# This is ignored, but leads to exit code 0 to not confuse the networking scripts
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return 0
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;;
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*)
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echo "Unknown key $key for device" >/dev/stderr
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return 1
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;;
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esac
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return 0
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}
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swconfig_port_load() {
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local port="$1"
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local config="$2"
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return 0
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}
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swconfig_vlan_load() {
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local vlan="$1"
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local config="$2"
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return 0
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}
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swconfig_load() {
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local config="$1"
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# This is the part, where the magic happens.
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# Due to its structure, swconfig gets the configuration to use by itself.
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# At this point, we use uci to fetch the configuration for the vlans to setup.
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[ "$config" != "network" ] && return 1
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# Set the CPU port
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local CPUPORT=`eval echo "\${port_$port_cpu}"`
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# Bring up the CPU port
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$IP link set $CPUPORT up
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for section in `$UCI show $config | $GREP "=switch_vlan" | $CUT -d "=" -f1`; do
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section_id=`$UCI show $section | $GREP "=switch_vlan" | $CUT -d "=" -f1 | $CUT -d "." -f2`
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vlan=`$UCI show $config.$section_id.vlan | $CUT -d "=" -f2 | $CUT -d "'" -f2`
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ports=`$UCI show $config.$section_id.ports | $CUT -d "=" -f2 | $CUT -d "'" -f2`
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device=`$UCI show $config.$section_id.device | $CUT -d "=" -f2 | $CUT -d "'" -f2`
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[ "$device" != "$SWITCHNULL" ] && continue
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for iface in `get_interface_by_portlist $ports`; do
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port_id=`echo $iface | $CUT -d ":" -f1`
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# We just want the CPU ports here
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[ "$port_id" != "$port_cpu" ] && continue
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port_tagged=`echo $iface | $CUT -d ":" -f2`
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interface=`echo $iface | $CUT -d ":" -f3`
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name=`echo $iface | $CUT -d ":" -f4`
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# At this point, we have all we need.
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if [ "$port_tagged" = 1 ]; then
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# Tag the traffic on CPU port as master interface
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$IP link add link $interface name $interface.$vlan type vlan id $vlan
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# Bring up the master interface before the slaves
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$IP link set $interface.$vlan up
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fi
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done
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for iface in `get_interface_by_portlist $ports`; do
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port_id=`echo $iface | $CUT -d ":" -f1`
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# We just want the slave ports here
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[ "$port_id" = "$port_cpu" ] && continue
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port_tagged=`echo $iface | $CUT -d ":" -f2`
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interface=`echo $iface | $CUT -d ":" -f3`
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name=`echo $iface | $CUT -d ":" -f4`
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if [ "$port_tagged" = 1 ]; then
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interface="$interface.$vlan"
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fi
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# Bring up the slave interface
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$IP link set $interface up
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# Create the bridge
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$IP link add name $name type bridge
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# Set VLAN filtering and PVID
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$IP link set dev $name type bridge vlan_filtering 1 vlan_default_pvid $vlan
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done
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for iface in `get_interface_by_portlist $ports`; do
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port_id=`echo $iface | $CUT -d ":" -f1`
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port_tagged=`echo $iface | $CUT -d ":" -f2`
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interface=`echo $iface | $CUT -d ":" -f3`
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name=`echo $iface | $CUT -d ":" -f4`
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if [ "$port_tagged" = 1 ]; then
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interface="$interface.$vlan"
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fi
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# Add port to its corresponding bridge
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$IP link set dev $interface master $name
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done
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done
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return 0
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}
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swconfig_port_show() {
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local port="$1"
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return 0
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}
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swconfig_vlan_show() {
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local vlan="$1"
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return 0
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}
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swconfig_show() {
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return 0
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}
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case $1 in
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dev)
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device="$2"
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mode="$3"
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op="$5"
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key="$6"
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val="$7"
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port=""
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vlan=""
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case $3 in
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port)
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port="$4"
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;;
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vlan)
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vlan="$4"
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;;
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*)
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mode="switch"
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op="$3"
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key="$4"
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val="$5"
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;;
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esac
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case $op in
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help)
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$SWCONFIG_REAL $1 $2 $3 $4 && exit 0 || exit $?
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;;
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set)
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if [ "$mode" = "port" ]; then
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swconfig_port_set $port $key $val && exit 0 || exit $?
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elif [ "$mode" = "vlan" ]; then
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swconfig_vlan_set $vlan $key $val && exit 0 || exit $?
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else
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swconfig_set $key $val && exit 0 || exit $?
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fi
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;;
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get)
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if [ "$mode" = "port" ]; then
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swconfig_port_get $port $key && exit 0 || exit $?
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elif [ "$mode" = "vlan" ]; then
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swconfig_vlan_get $vlan $key && exit 0 || exit $?
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else
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swconfig_get $key && exit 0 || exit $?
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fi
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;;
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load)
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if [ "$mode" = "port" ]; then
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swconfig_port_load $port $key && exit 0 || exit $?
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elif [ "$mode" = "vlan" ]; then
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swconfig_vlan_load $vlan $key && exit 0 || exit $?
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else
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swconfig_load $key && exit 0 || exit $?
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fi
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;;
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show)
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if [ "$mode" = "port" ]; then
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swconfig_port_show $port && exit 0 || exit $?
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elif [ "$mode" = "vlan" ]; then
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swconfig_vlan_show $vlan && exit 0 || exit $?
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else
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swconfig_show && exit 0 || exit $?
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fi
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;;
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*)
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swconfig_usage
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;;
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esac
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;;
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list)
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echo $SWITCHNULL
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exit 0
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;;
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*)
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swconfig_usage
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;;
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esac
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