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dcwifi: Add Dual Channel Wi-Fi component packages
dcstad: Dual Channel Wi-Fi Station Daemon dcwapd: Dual Channel Wi-Fi Access Point Daemon libdcwproto: Dual Channel Wi-Fi Protocol Library libdcwsocket: Dual Channel Wi-Fi Socket Library macremapper: MAC Address Remapper Linux Kernel Module mrmctl: Userland tool to get/set remap rules Signed-off-by: Carey Sonsino <careys@edgewaterwireless.com> Signed-off-by: Carey Sonsino <csonsino@gmail.com>
This commit is contained in:
Carey Sonsino
@@ -0,0 +1,256 @@
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#!/bin/sh
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#
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# Dual Channel Wi-Fi Startup Script
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#
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# This script creates the proper network bridge configuration
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# necessary for Dual Channel Wi-Fi, and starts the dcwapd daemon
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#
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verbose=1
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uciconfig=dcwapd
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result=
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# NOTE: all functions write the result to the $result variable
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get_channelsets()
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{
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# default to empty
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result=
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channelsets=$(uci show $uciconfig | grep "=channel-set$")
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for channelset in $channelsets; do
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channelset=$(echo "$channelset" | sed -rn "s/$uciconfig\.(.*)=.*/\1/p")
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result="$result $channelset"
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done
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if [ $verbose -eq 1 ]; then
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echo "Channel Sets: $result" 2>&1 | logger
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fi
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}
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# $1 : the channel set name
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get_channelset_enabled()
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{
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# default to disabled
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result=0
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if [ -n "$1" ]; then
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result=$(uci get $uciconfig."$1".enabled)
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fi
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if [ $verbose -eq 1 ]; then
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echo "Channel Set \"$1\" Enabled: $result" 2>&1 | logger
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fi
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}
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# $1 : the channel set name
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get_primary_bridge()
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{
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result=
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if [ -n "$1" ]; then
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result=$(uci get $uciconfig."$1".bridge)
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fi
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if [ $verbose -eq 1 ]; then
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echo "Channel Set \"$1\" Primary Bridge: $result" 2>&1 | logger
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fi
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}
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# $1 : the channel set name
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get_datachannels()
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{
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# default to empty
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result=
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if [ -n "$1" ]; then
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result=$(uci get $uciconfig."$1".data_channels)
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fi
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if [ $verbose -eq 1 ]; then
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echo "Channel Set \"$1\" Data Channels: $result" 2>&1 | logger
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fi
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}
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# $1 : the wlan interface name
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get_wifi_iface_num()
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{
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result=
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if [ -n "$1" ];then
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#result=$(echo "$1" | sed -n "s/wlan//p")
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result=$(echo "$1" | sed -rn "s/wlan([0-9]*).*/\1/p")
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fi
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}
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# $1 : the bridge name
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get_bridge_network_name()
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{
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result=
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if [ -n "$1" ];then
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result=$(echo "$1" | sed -n "s/br-//p")
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fi
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}
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# $1 : the wlan interface name
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set_iface_init_state()
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{
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result=
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if [ -n "$1" ]; then
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iface=$1
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# need to extract the "X" from wlanX
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get_wifi_iface_num "$iface"
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iface_num=$result
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if [ -n "$iface_num" ]; then
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# get the iface network
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init_net=$(uci get wireless.@wifi-iface[$iface_num].network)
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if [ -n "$init_net" ]; then
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# if the iface network is a bridge, but doesn't start with "br-"
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# I think we need to prepend it?
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net_type=$(uci get network."$init_net".type)
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if [ -n "$net_type" ] && [ "$net_type" = "bridge" ]; then
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prefix_ok=$(echo "$init_net" | grep "^br-")
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if [ -z "$prefix_ok" ]; then
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init_net="br-$init_net"
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fi
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fi
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fi
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# make sure that the init_net section exists
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init_net_section=$(uci get dcwapd.init_net)
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if [ "$init_net_section" != "init_net" ]; then
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# the section did not exist
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uci set dcwapd.init_net=init_net
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fi
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# save the initial network
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if [ $verbose -eq 1 ]; then
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echo "Saving '$iface' initial network '$init_net'" 2>&1 | logger
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fi
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uci set $uciconfig.init_net."$iface"="$init_net"
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uci commit
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# save the initial network in the result variable
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result=$init_net
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fi
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fi
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}
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# $1 : the wlan interface name
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get_iface_init_state()
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{
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result=
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if [ -n "$1" ];then
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init_net=$(uci get $uciconfig.init_net."$iface")
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# if the response starts with "uci: ", it was an error not the real result
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err=$(echo "$init_net" | grep "^uci: ")
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if [ -z "$err" ]; then
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# no error, set the result
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result=$init_net
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if [ $verbose -eq 1 ]; then
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echo "Got '$iface' initial network '$init_net'" 2>&1 | logger
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fi
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fi
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fi
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}
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# $1 : the name of the data channel name to bring up
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datachannel_up()
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{
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if [ -n "$1" ]; then
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bridge=$(uci get $uciconfig."$1".bridge)
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interfaces=$(uci get $uciconfig."$1".interfaces)
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if [ $verbose -eq 1 ]; then
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echo "Creating Data Channel Bridge: $bridge" 2>&1 | logger
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fi
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get_bridge_network_name "$bridge"
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netname=$result
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if [ -n "$netname" ]; then
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uci set network."$netname"=interface
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uci set network."$netname".type=bridge
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uci set network."$netname".proto=static
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uci set network."$netname".bridge_empty='1'
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fi
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# create the bridge
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uci commit
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/etc/init.d/network reload
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for iface in $interfaces; do
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# if iface is in a bridge, the bridge name should be stored in result
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set_iface_init_state "$iface"
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init_bridge=$result
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# update uci with the new bridge info
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get_wifi_iface_num "$iface"
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iface_num=$result
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if [ -n "$iface_num" ]; then
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uci set wireless.@wifi-iface[$iface_num].network="$netname"
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fi
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# manually put the interface into the data bridge
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# if iface is in a bridge, remove it before adding it to the data bridge
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if [ -n "$init_bridge" ]; then
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brctl delif "$init_bridge" "$iface" 2>&1 | logger
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fi
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brctl addif "$bridge" "$iface" 2>&1 | logger
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done
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# commit uci changes and reload the network
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uci commit
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/etc/init.d/network reload
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#/etc/init.d/network restart
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# while [ 1 ]; do
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# ifconfig "$bridge" > /dev/null 2>&1
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# if [ $? == 0 ]; then
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# break;
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# fi
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# sleep 1
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# done
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fi
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}
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# $1 : the name of the data channel to bring down
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datachannel_down()
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{
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if [ -n "$1" ]; then
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bridge=$(uci get $uciconfig."$1".bridge)
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interfaces=$(uci get $uciconfig."$1".interfaces)
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for iface in $interfaces; do
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if [ $verbose -eq 1 ]; then
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echo "Deconfiguring Data Channel Interface: $iface" 2>&1 | logger
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fi
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# manually remove the interface from the data bridge
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brctl delif "$bridge" "$iface" 2>&1 | logger
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get_iface_init_state "$iface"
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init_bridge=$result
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if [ -n "$init_bridge" ]; then
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# manually move the interface back to the original bridge
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brctl addif "$init_bridge" "$iface" 2>&1 | logger
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# update uci with the new bridge and interface configuration
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get_wifi_iface_num "$iface"
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iface_num=$result
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get_bridge_network_name "$init_bridge"
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netname=$result
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if [ -n "$iface_num" ] && [ -n "$netname" ]; then
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uci set wireless.@wifi-iface[$iface_num].network="$netname"
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fi
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fi
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done
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if [ $verbose -eq 1 ]; then
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echo "Deconfiguring Data Channel Bridge: $bridge" 2>&1 | logger
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fi
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# delete the bridge from uci
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get_bridge_network_name "$bridge"
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netname=$result
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if [ -n "$netname" ]; then
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uci delete network."$netname"
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fi
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# commit uci changes and reload the network
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uci commit
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/etc/init.d/network reload
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#`/etc/init.d/network restart`
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fi
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}
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Executable
+31
@@ -0,0 +1,31 @@
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#!/bin/sh /etc/rc.common
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START=99
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# Setting the stop value makes the restart script unreliable when invoked by LuCI
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#STOP=0
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scriptdir=/etc/dcwapd
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#validate_section_dcwapd() {
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# uci_validate_section dcwapd general "${1}" \
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# 'enabled:bool:1'
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#}
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start() {
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# validate_section_dcwapd dcwapd
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# only run the start script if the enabled uci option is set properly
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enabled=$(uci get dcwapd.general.enabled)
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if [ "${enabled}" = "1" ]; then
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${scriptdir}/start_dcwapd.sh
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else
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echo "dcwapd is disabled in UCI"
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return 1
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fi
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}
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stop() {
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${scriptdir}/stop_dcwapd.sh
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# Add a sleep after stopping because an immediate restat will fail otherwise
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sleep 1
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}
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@@ -0,0 +1,116 @@
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######################################################
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# Copyright 2018 EWSI
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#
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# Licensed to the public under the Apache License 2.0.
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######################################################
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# Dual Channel Wi-Fi AP Daemon configuration
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###################
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# General Options #
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###################
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# The "enabled" option controls the run state of the Dual Channel Wi-Fi AP Daemon
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# 0 - disabled, 1 - enabled
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# The "tmpdir" option MUST be specified
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# option tmpdir '<path_of_temp_dir>'
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config general 'general'
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option enabled 0
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option tmpdir '/tmp/dcwapd'
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################
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# Channel Sets #
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################
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# Sections of type "channel-set" define a Dual Channel Wi-Fi primary channel,
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# along with it's associated data channels
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#
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# The "data_channels" option is a space-delimited list of "datachannel"-typed instance names
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config channel-set 'channelset0'
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option enabled 0
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# option enabled 1
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option ssid 'OpenWrt'
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option bridge 'br-lan'
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option data_channels 'datachannel0'
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#config channel-set 'channelset1'
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# option enabled 0
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# option ssid 'OpenWrt2'
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# option bridge 'br-lan'
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# option data_channels 'datachannel1'
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#################
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# Data Channels #
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#################
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# Sections of type "datachannel" define a Dual Channel Wi-Fi data channel,
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# along with it's associated bridge and wireless interfaces
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#
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# The "interfaces" option is a space-delimited list of wireless interface names
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config datachannel 'datachannel0'
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option ssid 'DCW0'
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option bridge 'br-dc0'
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option interfaces 'wlan2 wlan5'
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#config datachannel 'datachannel1'
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# option ssid 'DCW1'
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# option bridge 'br-dc1'
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# option interfaces 'wlan4'
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####################
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# Init Net Options #
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####################
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# The "init_net" section MUST be specified
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# This section will be used to save and restore the state of the data interfaces
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config init_net 'init_net'
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###############
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# Filter Sets #
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###############
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# Sections of type "filter-set" define a Dual Channel Wi-Fi group of filters,
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# along with it's associated MAC address and filter rules
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#
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# The "TFP_Default" filter set MUST be defined, although it is not required
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# to have any associated filter rules
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# The "TFP_Default" filter mac option can have the value of '*', meaning match
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# all MAC addresses
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#
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# The "filters" option is a space-delimited list of "filter"-typed instance names
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config filter-set 'TFP_Default'
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option mac '*'
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option filters 'filter0 filter1'
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#config filter-set 'filterset0'
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# option mac '00:00:BE:EF:F0:0D'
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# option filters 'filter2'
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################
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# Filter Rules #
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################
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# Sections of type "filter" define a Dual Channel Wi-Fi filter,
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# along with it's associated filter parameters
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#
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# Any or all of the filter options may be set to '*' to match
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# all values
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config filter 'filter0'
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option packet_size '*'
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option source_ip '*'
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option source_port '80'
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option protocol 'tcp'
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option dest_port '*'
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config filter 'filter1'
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option packet_size '*'
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option source_ip '*'
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option source_port '443'
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option protocol 'tcp'
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option dest_port '*'
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#config filter 'filter2'
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# option packet_size '*'
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# option source_ip '*'
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# option source_port '22'
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# option protocol 'tcp'
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# option dest_port '*'
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Executable
+39
@@ -0,0 +1,39 @@
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#!/bin/sh
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#
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# Dual Channel Wi-Fi Startup Script
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#
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# This script creates the proper network bridge configuration
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# necessary for Dual Channel Wi-Fi, and starts the dcwapd daemon
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#
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# Note - shellcheck cannot deal with the dynamic sourcing
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# shellcheck disable=SC1090
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# which also messes with variables defined in the sourced file
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# shellcheck disable=SC2154
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scriptdir=$(dirname -- "$(readlink -f -- "$0")")
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. "$scriptdir"/dcwapd.inc
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get_channelsets
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# get the list of channel sets
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channelsets=$result
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for channelset in $channelsets; do
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if [ -n "$channelset" ]; then
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get_channelset_enabled "$channelset"
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enabled=$result
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if [ "$enabled" = "1" ]; then
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# the channel set is enabled
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# get the list of data channels used by the channel set
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get_datachannels "$channelset"
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datachannels=$result
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for datachannel in $datachannels; do
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datachannel_up "$datachannel"
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done
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fi
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fi
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done
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# start dcwapd, sending stdout and stderr to the system log
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dcwapd 2>&1 | logger &
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Executable
+45
@@ -0,0 +1,45 @@
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#!/bin/sh
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#
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# Dual Channel Wi-Fi Startup Script
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#
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# This script creates the proper network bridge configuration
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# necessary for Dual Channel Wi-Fi, and starts the dcwapd daemon
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#
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# Note - shellcheck cannot deal with the dynamic sourcing
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# shellcheck disable=SC1090
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# which also messes with variables defined in the sourced file
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# shellcheck disable=SC2154
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scriptdir=$(dirname -- "$(readlink -f -- "$0")")
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. "$scriptdir"/dcwapd.inc
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pid=$(pidof dcwapd)
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if [ -n "$pid" ]; then
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if [ "$verbose" -eq "1" ]; then
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echo "Stopping dcwapd..." 2>&1 | logger
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fi
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kill "$pid"
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fi
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get_channelsets
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# get the list of channel sets
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channelsets=$result
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for channelset in $channelsets; do
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if [ -n "$channelset" ]; then
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# we don't care if it is enabled, tear it down
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# get_channelset_enabled $channelset
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# enabled=$result
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# if [ $enabled = "1" ]; then
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# # the channel set is enabled
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# get the list of data channels used by the channel set
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get_datachannels "$channelset"
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datachannels=$result
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for datachannel in $datachannels; do
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datachannel_down "$datachannel"
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done
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# fi
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fi
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done
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