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@@ -1,306 +0,0 @@
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-#!/bin/sh
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-
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-. /lib/functions.sh
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-. /lib/functions/network.sh
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-
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-switch_names=""
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-
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-warn() {
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- echo "$@" >&2
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-}
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-
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-clear_port_vlans() {
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- local port=$1
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- local self=$2
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- local vlans=$(bridge vlan show dev "$port" | sed -ne 's#^[^ ]* \+\([0-9]\+\).*$#\1#p')
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-
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- local vlan
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- for vlan in $vlans; do
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- bridge vlan del vid "$vlan" dev "$port" $self
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- done
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-}
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-
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-lookup_switch() {
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- local cfg=$1
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- local swname
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-
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- config_get swname "$cfg" switch
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-
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- # Auto-determine switch if not specified ...
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- if [ -z "$swname" ]; then
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- case "$switch_names" in
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- *\ *)
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- warn "VLAN section '$cfg' does not specify a switch but multiple switches present, using first one"
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- swname=${switch_names%% *}
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- ;;
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- *)
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- swname=${switch_names}
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- ;;
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- esac
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-
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- # ... otherwise check if the referenced switch is declared
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- else
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- case " $switch_names " in
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- *" $swname "*) : ;;
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- *)
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- warn "Switch '$swname' specified by VLAN section '$cfg' does not exist"
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- return 1
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- ;;
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- esac
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- fi
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-
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- export -n "switch=$swname"
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-}
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-
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-validate_vid() {
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- local vid=$1
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-
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- case "$vid" in
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- [1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-4][0-9][0-9][0-9])
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- if [ $vid -gt 4096 ]; then
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- return 1
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- fi
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- ;;
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- *)
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- return 1
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- ;;
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- esac
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-
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- return 0
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-}
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-
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-setup_switch() {
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- local cfg=$1
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- local cpu
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-
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- # Read configured CPU port from uci ...
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- config_get cpu "$cfg" cpu_port
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-
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- # ... if unspecified, find first CPU port
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- if [ -z "$cpu" ]; then
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- local e
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- for e in /sys/class/net/*/dsa; do
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- if [ -d "$e" ]; then
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- cpu=${e%/dsa}
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- cpu=${cpu##*/}
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- break
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- fi
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- done
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- fi
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-
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- # Bail out if we cannot determine the CPU port
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- if [ -z "$cpu" ]; then
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- warn "Unable to determine CPU port for switch '$cfg'"
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- return 1
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- fi
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-
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- append switch_names "$cfg"
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-
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- # Prevent netifd from picking up our switch bridge just yet
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- network_defer_device "$cfg"
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-
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- # Increase MTU of CPU port to 1508 to accomodate for VID + DSA tag
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- ip link set "$cpu" mtu 1508
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- ip link set "$cpu" up
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-
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- # (Re)create switch bridge device in case it is not yet set up
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- local filtering=$(cat "/sys/class/net/$cfg/bridge/vlan_filtering" 2>/dev/null)
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- if [ ${filtering:-0} != 1 ]; then
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- ip link set "$cfg" down 2>/dev/null
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- ip link delete dev "$cfg" 2>/dev/null
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- ip link add name "$cfg" type bridge
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- echo 1 > "/sys/class/net/$cfg/bridge/vlan_filtering"
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- fi
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-
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- ip link set "$cfg" up
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-
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- # Unbridge DSA ports and flush any VLAN filters on them, they're added back later
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- local port
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- for port in /sys/class/net/*"/upper_${cfg}"; do
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- if [ -e "$port" ]; then
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- port=${port%/upper_*}
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- port=${port##*/}
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-
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- ip link set "$port" nomaster
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-
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- # Unbridging the port should already clear VLANs, but be safe
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- clear_port_vlans "$port"
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- fi
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- done
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-
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- # Clear any VLANs on the switch bridge, they're added back later
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- clear_port_vlans "$cfg" self
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-}
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-
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-setup_switch_vlan() {
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- local cfg=$1
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- local switch vlan ports
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-
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- config_get switch "$cfg" switch
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- config_get vlan "$cfg" vlan
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- config_get ports "$cfg" ports
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-
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- lookup_switch "$cfg" || return 1
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- validate_vid "$vlan" || {
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- warn "VLAN section '$cfg' specifies an invalid VLAN ID '$vlan'"
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- return 1
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- }
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-
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- # Setup ports
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- local port tag pvid
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- for port in $ports; do
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- tag=${port#*.}
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- port=${port%.*}
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- pvid=
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-
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- if [ "$tag" != "$port" ] && [ "$tag" = t ]; then
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- tag=tagged
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- else
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- tag=untagged
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- fi
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-
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- # Add the port to the switch bridge and delete the default
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- # VLAN 1 if it is not yet joined to the switch.
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- if [ ! -e "/sys/class/net/$port/upper_$switch" ]; then
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- ip link set dev "$port" up
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- ip link set dev "$port" master "$switch"
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-
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- # Get rid of default VLAN 1
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- bridge vlan del vid 1 dev "$port"
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- fi
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-
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- # Promote the first untagged VLAN of this port to the PVID
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- if [ "$tag" = untagged ] && ! bridge vlan show dev "$port" | grep -qi pvid; then
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- pvid=pvid
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- fi
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-
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- # Add VLAN filter entry for port
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- bridge vlan add dev "$port" vid $vlan $pvid $tag
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- done
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-
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- # Make the switch bridge itself handle the VLAN as well
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- bridge vlan add dev "$switch" self vid $vlan tagged
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-}
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-
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-setup_switch_port() {
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- local cfg=$1
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- local switch port pvid tag
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-
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- config_get port "$cfg" port
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- config_get pvid "$cfg" pvid
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-
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- lookup_switch "$cfg" || return 1
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- validate_vid "$pvid" || {
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- warn "Port section '$cfg' specifies an invalid PVID '$pvid'"
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- return 1
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- }
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-
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- # Disallow setting the PVID of the switch bridge itself
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- [ "$port" != "$switch" ] || {
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- warn "Port section '$cfg' must not change PVID of the switch bridge"
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- return 1
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- }
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-
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- # Determine existing VLAN config
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- local vlanspec=$(bridge vlan show dev "$port" vid "$pvid" 2>/dev/null | sed -ne2p)
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- echo "$vlanspec" | grep -qi untagged && tag=untagged || tag=tagged
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-
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- bridge vlan add vid "$pvid" dev "$port" pvid $tag
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-}
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-
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-apply_config() {
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- config_load network
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- config_foreach setup_switch dsa
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-
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- # If no switch is explicitely declared, synthesize switch0
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- if [ -z "$switch_names" ] && ! setup_switch switch0; then
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- warn "No DSA switches found"
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- return 1
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- fi
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-
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- config_foreach setup_switch_vlan dsa_vlan
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- config_foreach setup_switch_port dsa_port
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-
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- # Ready switch bridge devices
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- local switch
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- for switch in $switch_names; do
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- network_ready_device "$switch"
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- done
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-}
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-
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-show_switch() {
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- local switch=$1
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-
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- printf "Switch: %s\n" "$switch"
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- printf "VLAN/"
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-
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- local port ports
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- for port in "/sys/class/net/$switch/lower_"*; do
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- port=${port##*/lower_}
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-
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-
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- printf " | %-5s" "$port"
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- append ports "$port"
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- done
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-
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- printf " |\nLink:"
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-
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- for port in $ports; do
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- local carrier=$(cat "/sys/class/net/$port/carrier")
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- local duplex=$(cat "/sys/class/net/$port/duplex")
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- local speed=$(cat "/sys/class/net/$port/speed")
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-
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- if [ ${carrier:-0} -eq 0 ]; then
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- printf " | %-5s" "down"
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- else
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- [ "$duplex" = "full" ] && duplex=F || duplex=H
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- printf " | %4d%s" "$speed" "$duplex"
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- fi
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- done
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-
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- local vlans=$(bridge vlan show dev "$switch" | sed -ne 's#^[^ ]* \+\([0-9]\+\).*$#\1#p')
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- local vlan
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- for vlan in $vlans; do
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- printf " |\n%4d " "$vlan"
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-
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- for port in $ports; do
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- local pvid="" utag="" word
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- for word in $(bridge vlan show dev "$port" vid "$vlan"); do
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- case "$word" in
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- PVID) pvid="*" ;;
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- "$vlan") utag="t" ;;
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- Untagged) utag="u" ;;
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- esac
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- done
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-
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- printf " | %-2s " "$utag$pvid"
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- done
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- done
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-
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- printf " |\n\n"
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-}
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-
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-add_switch() {
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- append switch_names "$1"
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-}
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-
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-show_config() {
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- config_load network
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- config_foreach add_switch dsa
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-
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- local switch
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- for switch in ${switch_names:-switch0}; do
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- show_switch "$switch"
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- done
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-}
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-
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-
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-case "$1" in
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- show) show_config ;;
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- apply) apply_config ;;
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- *)
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- echo "Usage: ${0##*/} show"
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- echo " ${0##*/} apply"
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- exit 1
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- ;;
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-esac
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Jo-Philipp Wich